10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51253Slq150181 * Common Development and Distribution License (the "License"). 61455Sandrei * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 211253Slq150181 220Sstevel@tonic-gate /* 233446Smrj * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 280Sstevel@tonic-gate 290Sstevel@tonic-gate #include <sys/machsystm.h> 300Sstevel@tonic-gate #include <sys/archsystm.h> 310Sstevel@tonic-gate #include <sys/vm.h> 320Sstevel@tonic-gate #include <sys/cpu.h> 330Sstevel@tonic-gate #include <sys/atomic.h> 340Sstevel@tonic-gate #include <sys/reboot.h> 350Sstevel@tonic-gate #include <sys/kdi.h> 360Sstevel@tonic-gate #include <sys/bootconf.h> 370Sstevel@tonic-gate #include <sys/memlist_plat.h> 380Sstevel@tonic-gate #include <sys/memlist_impl.h> 390Sstevel@tonic-gate #include <sys/prom_plat.h> 400Sstevel@tonic-gate #include <sys/prom_isa.h> 410Sstevel@tonic-gate #include <sys/autoconf.h> 420Sstevel@tonic-gate #include <sys/intreg.h> 430Sstevel@tonic-gate #include <sys/ivintr.h> 440Sstevel@tonic-gate #include <sys/fpu/fpusystm.h> 450Sstevel@tonic-gate #include <sys/iommutsb.h> 460Sstevel@tonic-gate #include <vm/vm_dep.h> 470Sstevel@tonic-gate #include <vm/seg_dev.h> 480Sstevel@tonic-gate #include <vm/seg_kmem.h> 490Sstevel@tonic-gate #include <vm/seg_kpm.h> 500Sstevel@tonic-gate #include <vm/seg_map.h> 510Sstevel@tonic-gate #include <vm/seg_kp.h> 520Sstevel@tonic-gate #include <sys/sysconf.h> 530Sstevel@tonic-gate #include <vm/hat_sfmmu.h> 540Sstevel@tonic-gate #include <sys/kobj.h> 550Sstevel@tonic-gate #include <sys/sun4asi.h> 560Sstevel@tonic-gate #include <sys/clconf.h> 570Sstevel@tonic-gate #include <sys/platform_module.h> 580Sstevel@tonic-gate #include <sys/panic.h> 590Sstevel@tonic-gate #include <sys/cpu_sgnblk_defs.h> 600Sstevel@tonic-gate #include <sys/clock.h> 610Sstevel@tonic-gate #include <sys/cmn_err.h> 620Sstevel@tonic-gate #include <sys/promif.h> 630Sstevel@tonic-gate #include <sys/prom_debug.h> 640Sstevel@tonic-gate #include <sys/traptrace.h> 650Sstevel@tonic-gate #include <sys/memnode.h> 660Sstevel@tonic-gate #include <sys/mem_cage.h> 672241Shuah #include <sys/mmu.h> 680Sstevel@tonic-gate 690Sstevel@tonic-gate extern void setup_trap_table(void); 704050Sjb145095 extern int cpu_intrq_setup(struct cpu *); 710Sstevel@tonic-gate extern void cpu_intrq_register(struct cpu *); 720Sstevel@tonic-gate extern void contig_mem_init(void); 734204Sha137994 extern caddr_t contig_mem_prealloc(caddr_t, pgcnt_t); 740Sstevel@tonic-gate extern void mach_dump_buffer_init(void); 750Sstevel@tonic-gate extern void mach_descrip_init(void); 761991Sheppo extern void mach_descrip_startup_fini(void); 770Sstevel@tonic-gate extern void mach_memscrub(void); 780Sstevel@tonic-gate extern void mach_fpras(void); 790Sstevel@tonic-gate extern void mach_cpu_halt_idle(void); 800Sstevel@tonic-gate extern void mach_hw_copy_limit(void); 811991Sheppo extern void load_mach_drivers(void); 820Sstevel@tonic-gate extern void load_tod_module(void); 830Sstevel@tonic-gate #pragma weak load_tod_module 840Sstevel@tonic-gate 850Sstevel@tonic-gate extern int ndata_alloc_mmfsa(struct memlist *ndata); 860Sstevel@tonic-gate #pragma weak ndata_alloc_mmfsa 870Sstevel@tonic-gate 881991Sheppo extern void cif_init(void); 891991Sheppo #pragma weak cif_init 901991Sheppo 910Sstevel@tonic-gate extern void parse_idprom(void); 920Sstevel@tonic-gate extern void add_vx_handler(char *, int, void (*)(cell_t *)); 930Sstevel@tonic-gate extern void mem_config_init(void); 940Sstevel@tonic-gate extern void memseg_remap_init(void); 950Sstevel@tonic-gate 962296Sae112802 extern void mach_kpm_init(void); 972296Sae112802 980Sstevel@tonic-gate /* 990Sstevel@tonic-gate * External Data: 1000Sstevel@tonic-gate */ 1010Sstevel@tonic-gate extern int vac_size; /* cache size in bytes */ 1020Sstevel@tonic-gate extern uint_t vac_mask; /* VAC alignment consistency mask */ 1030Sstevel@tonic-gate extern uint_t vac_colors; 1040Sstevel@tonic-gate 1050Sstevel@tonic-gate /* 1060Sstevel@tonic-gate * Global Data Definitions: 1070Sstevel@tonic-gate */ 1080Sstevel@tonic-gate 1090Sstevel@tonic-gate /* 1100Sstevel@tonic-gate * XXX - Don't port this to new architectures 1110Sstevel@tonic-gate * A 3rd party volume manager driver (vxdm) depends on the symbol romp. 1120Sstevel@tonic-gate * 'romp' has no use with a prom with an IEEE 1275 client interface. 1130Sstevel@tonic-gate * The driver doesn't use the value, but it depends on the symbol. 1140Sstevel@tonic-gate */ 1150Sstevel@tonic-gate void *romp; /* veritas driver won't load without romp 4154976 */ 1160Sstevel@tonic-gate /* 1170Sstevel@tonic-gate * Declare these as initialized data so we can patch them. 1180Sstevel@tonic-gate */ 1190Sstevel@tonic-gate pgcnt_t physmem = 0; /* memory size in pages, patch if you want less */ 1200Sstevel@tonic-gate pgcnt_t segkpsize = 1210Sstevel@tonic-gate btop(SEGKPDEFSIZE); /* size of segkp segment in pages */ 1220Sstevel@tonic-gate uint_t segmap_percent = 12; /* Size of segmap segment */ 1230Sstevel@tonic-gate 1240Sstevel@tonic-gate int use_cache = 1; /* cache not reliable (605 bugs) with MP */ 1250Sstevel@tonic-gate int vac_copyback = 1; 1260Sstevel@tonic-gate char *cache_mode = NULL; 1270Sstevel@tonic-gate int use_mix = 1; 1280Sstevel@tonic-gate int prom_debug = 0; 1290Sstevel@tonic-gate 1300Sstevel@tonic-gate struct bootops *bootops = 0; /* passed in from boot in %o2 */ 1310Sstevel@tonic-gate caddr_t boot_tba; /* %tba at boot - used by kmdb */ 1320Sstevel@tonic-gate uint_t tba_taken_over = 0; 1330Sstevel@tonic-gate 1340Sstevel@tonic-gate caddr_t s_text; /* start of kernel text segment */ 1350Sstevel@tonic-gate caddr_t e_text; /* end of kernel text segment */ 1360Sstevel@tonic-gate caddr_t s_data; /* start of kernel data segment */ 1370Sstevel@tonic-gate caddr_t e_data; /* end of kernel data segment */ 1380Sstevel@tonic-gate 1390Sstevel@tonic-gate caddr_t modtext; /* beginning of module text */ 1400Sstevel@tonic-gate size_t modtext_sz; /* size of module text */ 1410Sstevel@tonic-gate caddr_t moddata; /* beginning of module data reserve */ 1420Sstevel@tonic-gate caddr_t e_moddata; /* end of module data reserve */ 1430Sstevel@tonic-gate 1440Sstevel@tonic-gate /* 1450Sstevel@tonic-gate * End of first block of contiguous kernel in 32-bit virtual address space 1460Sstevel@tonic-gate */ 1470Sstevel@tonic-gate caddr_t econtig32; /* end of first blk of contiguous kernel */ 1480Sstevel@tonic-gate 1490Sstevel@tonic-gate caddr_t ncbase; /* beginning of non-cached segment */ 1500Sstevel@tonic-gate caddr_t ncend; /* end of non-cached segment */ 1510Sstevel@tonic-gate caddr_t sdata; /* beginning of data segment */ 1520Sstevel@tonic-gate 1530Sstevel@tonic-gate caddr_t extra_etva; /* beginning of unused nucleus text */ 1540Sstevel@tonic-gate pgcnt_t extra_etpg; /* number of pages of unused nucleus text */ 1550Sstevel@tonic-gate 1560Sstevel@tonic-gate size_t ndata_remain_sz; /* bytes from end of data to 4MB boundary */ 1570Sstevel@tonic-gate caddr_t nalloc_base; /* beginning of nucleus allocation */ 1580Sstevel@tonic-gate caddr_t nalloc_end; /* end of nucleus allocatable memory */ 1590Sstevel@tonic-gate caddr_t valloc_base; /* beginning of kvalloc segment */ 1600Sstevel@tonic-gate 1610Sstevel@tonic-gate caddr_t kmem64_base; /* base of kernel mem segment in 64-bit space */ 1620Sstevel@tonic-gate caddr_t kmem64_end; /* end of kernel mem segment in 64-bit space */ 1633764Sdp78419 caddr_t kmem64_aligned_end; /* end of large page, overmaps 64-bit space */ 1643764Sdp78419 int kmem64_alignsize; /* page size for mem segment in 64-bit space */ 1653764Sdp78419 int kmem64_szc; /* page size code */ 1663764Sdp78419 uint64_t kmem64_pabase = (uint64_t)-1; /* physical address of kmem64_base */ 1670Sstevel@tonic-gate 1682296Sae112802 uintptr_t shm_alignment; /* VAC address consistency modulus */ 1690Sstevel@tonic-gate struct memlist *phys_install; /* Total installed physical memory */ 1700Sstevel@tonic-gate struct memlist *phys_avail; /* Available (unreserved) physical memory */ 1710Sstevel@tonic-gate struct memlist *virt_avail; /* Available (unmapped?) virtual memory */ 1720Sstevel@tonic-gate struct memlist ndata; /* memlist of nucleus allocatable memory */ 1730Sstevel@tonic-gate int memexp_flag; /* memory expansion card flag */ 1740Sstevel@tonic-gate uint64_t ecache_flushaddr; /* physical address used for flushing E$ */ 1750Sstevel@tonic-gate pgcnt_t obp_pages; /* Physical pages used by OBP */ 1760Sstevel@tonic-gate 1770Sstevel@tonic-gate /* 1780Sstevel@tonic-gate * VM data structures 1790Sstevel@tonic-gate */ 1800Sstevel@tonic-gate long page_hashsz; /* Size of page hash table (power of two) */ 1810Sstevel@tonic-gate struct page *pp_base; /* Base of system page struct array */ 1820Sstevel@tonic-gate size_t pp_sz; /* Size in bytes of page struct array */ 1830Sstevel@tonic-gate struct page **page_hash; /* Page hash table */ 1840Sstevel@tonic-gate struct seg ktextseg; /* Segment used for kernel executable image */ 1850Sstevel@tonic-gate struct seg kvalloc; /* Segment used for "valloc" mapping */ 1860Sstevel@tonic-gate struct seg kpseg; /* Segment used for pageable kernel virt mem */ 1870Sstevel@tonic-gate struct seg ktexthole; /* Segment used for nucleus text hole */ 1880Sstevel@tonic-gate struct seg kmapseg; /* Segment used for generic kernel mappings */ 1890Sstevel@tonic-gate struct seg kpmseg; /* Segment used for physical mapping */ 1900Sstevel@tonic-gate struct seg kdebugseg; /* Segment used for the kernel debugger */ 1910Sstevel@tonic-gate 1920Sstevel@tonic-gate uintptr_t kpm_pp_base; /* Base of system kpm_page array */ 1930Sstevel@tonic-gate size_t kpm_pp_sz; /* Size of system kpm_page array */ 1940Sstevel@tonic-gate pgcnt_t kpm_npages; /* How many kpm pages are managed */ 1950Sstevel@tonic-gate 1960Sstevel@tonic-gate struct seg *segkp = &kpseg; /* Pageable kernel virtual memory segment */ 1970Sstevel@tonic-gate struct seg *segkmap = &kmapseg; /* Kernel generic mapping segment */ 1980Sstevel@tonic-gate struct seg *segkpm = &kpmseg; /* 64bit kernel physical mapping segment */ 1990Sstevel@tonic-gate 2003290Sjohansen int segzio_fromheap = 0; /* zio allocations occur from heap */ 2013290Sjohansen caddr_t segzio_base; /* Base address of segzio */ 2023290Sjohansen pgcnt_t segziosize = 0; /* size of zio segment in pages */ 2033290Sjohansen 2040Sstevel@tonic-gate /* 2050Sstevel@tonic-gate * debugger pages (if allocated) 2060Sstevel@tonic-gate */ 2070Sstevel@tonic-gate struct vnode kdebugvp; 2080Sstevel@tonic-gate 2090Sstevel@tonic-gate /* 2103446Smrj * VA range available to the debugger 2113446Smrj */ 2123446Smrj const caddr_t kdi_segdebugbase = (const caddr_t)SEGDEBUGBASE; 2133446Smrj const size_t kdi_segdebugsize = SEGDEBUGSIZE; 2143446Smrj 2153446Smrj /* 2160Sstevel@tonic-gate * Segment for relocated kernel structures in 64-bit large RAM kernels 2170Sstevel@tonic-gate */ 2180Sstevel@tonic-gate struct seg kmem64; 2190Sstevel@tonic-gate 2200Sstevel@tonic-gate struct memseg *memseg_base; 2210Sstevel@tonic-gate size_t memseg_sz; /* Used to translate a va to page */ 2220Sstevel@tonic-gate struct vnode unused_pages_vp; 2230Sstevel@tonic-gate 2240Sstevel@tonic-gate /* 2250Sstevel@tonic-gate * VM data structures allocated early during boot. 2260Sstevel@tonic-gate */ 2270Sstevel@tonic-gate size_t pagehash_sz; 2280Sstevel@tonic-gate uint64_t memlist_sz; 2290Sstevel@tonic-gate 2300Sstevel@tonic-gate char tbr_wr_addr_inited = 0; 2310Sstevel@tonic-gate 2320Sstevel@tonic-gate 2330Sstevel@tonic-gate /* 2340Sstevel@tonic-gate * Static Routines: 2350Sstevel@tonic-gate */ 2360Sstevel@tonic-gate static void memlist_add(uint64_t, uint64_t, struct memlist **, 2370Sstevel@tonic-gate struct memlist **); 2380Sstevel@tonic-gate static void kphysm_init(page_t *, struct memseg *, pgcnt_t, uintptr_t, 2390Sstevel@tonic-gate pgcnt_t); 2400Sstevel@tonic-gate static void kvm_init(void); 2410Sstevel@tonic-gate 2420Sstevel@tonic-gate static void startup_init(void); 2430Sstevel@tonic-gate static void startup_memlist(void); 2440Sstevel@tonic-gate static void startup_modules(void); 2450Sstevel@tonic-gate static void startup_bop_gone(void); 2460Sstevel@tonic-gate static void startup_vm(void); 2470Sstevel@tonic-gate static void startup_end(void); 2480Sstevel@tonic-gate static void setup_cage_params(void); 2491253Slq150181 static void startup_create_io_node(void); 2500Sstevel@tonic-gate 2510Sstevel@tonic-gate static pgcnt_t npages; 2520Sstevel@tonic-gate static struct memlist *memlist; 2530Sstevel@tonic-gate void *memlist_end; 2540Sstevel@tonic-gate 2550Sstevel@tonic-gate static pgcnt_t bop_alloc_pages; 2560Sstevel@tonic-gate static caddr_t hblk_base; 2570Sstevel@tonic-gate uint_t hblk_alloc_dynamic = 0; 2580Sstevel@tonic-gate uint_t hblk1_min = H1MIN; 2590Sstevel@tonic-gate 2600Sstevel@tonic-gate 2610Sstevel@tonic-gate /* 2620Sstevel@tonic-gate * Hooks for unsupported platforms and down-rev firmware 2630Sstevel@tonic-gate */ 2640Sstevel@tonic-gate int iam_positron(void); 2650Sstevel@tonic-gate #pragma weak iam_positron 2660Sstevel@tonic-gate static void do_prom_version_check(void); 2670Sstevel@tonic-gate static void kpm_init(void); 2680Sstevel@tonic-gate static void kpm_npages_setup(int); 2690Sstevel@tonic-gate static void kpm_memseg_init(void); 2700Sstevel@tonic-gate 2710Sstevel@tonic-gate /* 2720Sstevel@tonic-gate * After receiving a thermal interrupt, this is the number of seconds 2730Sstevel@tonic-gate * to delay before shutting off the system, assuming 2740Sstevel@tonic-gate * shutdown fails. Use /etc/system to change the delay if this isn't 2750Sstevel@tonic-gate * large enough. 2760Sstevel@tonic-gate */ 2770Sstevel@tonic-gate int thermal_powerdown_delay = 1200; 2780Sstevel@tonic-gate 2790Sstevel@tonic-gate /* 2800Sstevel@tonic-gate * Used to hold off page relocations into the cage until OBP has completed 2810Sstevel@tonic-gate * its boot-time handoff of its resources to the kernel. 2820Sstevel@tonic-gate */ 2830Sstevel@tonic-gate int page_relocate_ready = 0; 2840Sstevel@tonic-gate 2850Sstevel@tonic-gate /* 2860Sstevel@tonic-gate * Enable some debugging messages concerning memory usage... 2870Sstevel@tonic-gate */ 2880Sstevel@tonic-gate #ifdef DEBUGGING_MEM 2890Sstevel@tonic-gate static int debugging_mem; 2900Sstevel@tonic-gate static void 2910Sstevel@tonic-gate printmemlist(char *title, struct memlist *list) 2920Sstevel@tonic-gate { 2930Sstevel@tonic-gate if (!debugging_mem) 2940Sstevel@tonic-gate return; 2950Sstevel@tonic-gate 2960Sstevel@tonic-gate printf("%s\n", title); 2970Sstevel@tonic-gate 2980Sstevel@tonic-gate while (list) { 2990Sstevel@tonic-gate prom_printf("\taddr = 0x%x %8x, size = 0x%x %8x\n", 3000Sstevel@tonic-gate (uint32_t)(list->address >> 32), (uint32_t)list->address, 3010Sstevel@tonic-gate (uint32_t)(list->size >> 32), (uint32_t)(list->size)); 3020Sstevel@tonic-gate list = list->next; 3030Sstevel@tonic-gate } 3040Sstevel@tonic-gate } 3050Sstevel@tonic-gate 3060Sstevel@tonic-gate void 3070Sstevel@tonic-gate printmemseg(struct memseg *memseg) 3080Sstevel@tonic-gate { 3090Sstevel@tonic-gate if (!debugging_mem) 3100Sstevel@tonic-gate return; 3110Sstevel@tonic-gate 3120Sstevel@tonic-gate printf("memseg\n"); 3130Sstevel@tonic-gate 3140Sstevel@tonic-gate while (memseg) { 3150Sstevel@tonic-gate prom_printf("\tpage = 0x%p, epage = 0x%p, " 3160Sstevel@tonic-gate "pfn = 0x%x, epfn = 0x%x\n", 3170Sstevel@tonic-gate memseg->pages, memseg->epages, 3180Sstevel@tonic-gate memseg->pages_base, memseg->pages_end); 3190Sstevel@tonic-gate memseg = memseg->next; 3200Sstevel@tonic-gate } 3210Sstevel@tonic-gate } 3220Sstevel@tonic-gate 3230Sstevel@tonic-gate #define debug_pause(str) halt((str)) 3240Sstevel@tonic-gate #define MPRINTF(str) if (debugging_mem) prom_printf((str)) 3250Sstevel@tonic-gate #define MPRINTF1(str, a) if (debugging_mem) prom_printf((str), (a)) 3260Sstevel@tonic-gate #define MPRINTF2(str, a, b) if (debugging_mem) prom_printf((str), (a), (b)) 3270Sstevel@tonic-gate #define MPRINTF3(str, a, b, c) \ 3280Sstevel@tonic-gate if (debugging_mem) prom_printf((str), (a), (b), (c)) 3290Sstevel@tonic-gate #else /* DEBUGGING_MEM */ 3300Sstevel@tonic-gate #define MPRINTF(str) 3310Sstevel@tonic-gate #define MPRINTF1(str, a) 3320Sstevel@tonic-gate #define MPRINTF2(str, a, b) 3330Sstevel@tonic-gate #define MPRINTF3(str, a, b, c) 3340Sstevel@tonic-gate #endif /* DEBUGGING_MEM */ 3350Sstevel@tonic-gate 3360Sstevel@tonic-gate /* Simple message to indicate that the bootops pointer has been zeroed */ 3370Sstevel@tonic-gate #ifdef DEBUG 3380Sstevel@tonic-gate static int bootops_gone_on = 0; 3390Sstevel@tonic-gate #define BOOTOPS_GONE() \ 3400Sstevel@tonic-gate if (bootops_gone_on) \ 3410Sstevel@tonic-gate prom_printf("The bootops vec is zeroed now!\n"); 3420Sstevel@tonic-gate #else 3430Sstevel@tonic-gate #define BOOTOPS_GONE() 3440Sstevel@tonic-gate #endif /* DEBUG */ 3450Sstevel@tonic-gate 3460Sstevel@tonic-gate /* 3470Sstevel@tonic-gate * Monitor pages may not be where this says they are. 3480Sstevel@tonic-gate * and the debugger may not be there either. 3490Sstevel@tonic-gate * 3500Sstevel@tonic-gate * Note that 'pages' here are *physical* pages, which are 8k on sun4u. 3510Sstevel@tonic-gate * 3520Sstevel@tonic-gate * Physical memory layout 3530Sstevel@tonic-gate * (not necessarily contiguous) 3540Sstevel@tonic-gate * (THIS IS SOMEWHAT WRONG) 3550Sstevel@tonic-gate * /-----------------------\ 3560Sstevel@tonic-gate * | monitor pages | 3570Sstevel@tonic-gate * availmem -|-----------------------| 3580Sstevel@tonic-gate * | | 3590Sstevel@tonic-gate * | page pool | 3600Sstevel@tonic-gate * | | 3610Sstevel@tonic-gate * |-----------------------| 3620Sstevel@tonic-gate * | configured tables | 3630Sstevel@tonic-gate * | buffers | 3640Sstevel@tonic-gate * firstaddr -|-----------------------| 3650Sstevel@tonic-gate * | hat data structures | 3660Sstevel@tonic-gate * |-----------------------| 3670Sstevel@tonic-gate * | kernel data, bss | 3680Sstevel@tonic-gate * |-----------------------| 3690Sstevel@tonic-gate * | interrupt stack | 3700Sstevel@tonic-gate * |-----------------------| 3710Sstevel@tonic-gate * | kernel text (RO) | 3720Sstevel@tonic-gate * |-----------------------| 3730Sstevel@tonic-gate * | trap table (4k) | 3740Sstevel@tonic-gate * |-----------------------| 3750Sstevel@tonic-gate * page 1 | panicbuf | 3760Sstevel@tonic-gate * |-----------------------| 3770Sstevel@tonic-gate * page 0 | reclaimed | 3780Sstevel@tonic-gate * |_______________________| 3790Sstevel@tonic-gate * 3800Sstevel@tonic-gate * 3810Sstevel@tonic-gate * 3820Sstevel@tonic-gate * Kernel's Virtual Memory Layout. 3830Sstevel@tonic-gate * /-----------------------\ 3840Sstevel@tonic-gate * 0xFFFFFFFF.FFFFFFFF -| |- 3850Sstevel@tonic-gate * | OBP's virtual page | 3860Sstevel@tonic-gate * | tables | 3870Sstevel@tonic-gate * 0xFFFFFFFC.00000000 -|-----------------------|- 3880Sstevel@tonic-gate * : : 3890Sstevel@tonic-gate * : : 3903290Sjohansen * -|-----------------------|- 3913290Sjohansen * | segzio | (base and size vary) 3920Sstevel@tonic-gate * 0xFFFFFE00.00000000 -|-----------------------|- 3930Sstevel@tonic-gate * | | Ultrasparc I/II support 3940Sstevel@tonic-gate * | segkpm segment | up to 2TB of physical 3950Sstevel@tonic-gate * | (64-bit kernel ONLY) | memory, VAC has 2 colors 3960Sstevel@tonic-gate * | | 3970Sstevel@tonic-gate * 0xFFFFFA00.00000000 -|-----------------------|- 2TB segkpm alignment 3980Sstevel@tonic-gate * : : 3990Sstevel@tonic-gate * : : 4000Sstevel@tonic-gate * 0xFFFFF810.00000000 -|-----------------------|- hole_end 4010Sstevel@tonic-gate * | | ^ 4020Sstevel@tonic-gate * | UltraSPARC I/II call | | 4030Sstevel@tonic-gate * | bug requires an extra | | 4040Sstevel@tonic-gate * | 4 GB of space between | | 4050Sstevel@tonic-gate * | hole and used RAM | | 4060Sstevel@tonic-gate * | | | 4070Sstevel@tonic-gate * 0xFFFFF800.00000000 -|-----------------------|- | 4080Sstevel@tonic-gate * | | | 4090Sstevel@tonic-gate * | Virtual Address Hole | UltraSPARC 4100Sstevel@tonic-gate * | on UltraSPARC I/II | I/II * ONLY * 4110Sstevel@tonic-gate * | | | 4120Sstevel@tonic-gate * 0x00000800.00000000 -|-----------------------|- | 4130Sstevel@tonic-gate * | | | 4140Sstevel@tonic-gate * | UltraSPARC I/II call | | 4150Sstevel@tonic-gate * | bug requires an extra | | 4160Sstevel@tonic-gate * | 4 GB of space between | | 4170Sstevel@tonic-gate * | hole and used RAM | | 4180Sstevel@tonic-gate * | | v 4190Sstevel@tonic-gate * 0x000007FF.00000000 -|-----------------------|- hole_start ----- 4200Sstevel@tonic-gate * : : ^ 4210Sstevel@tonic-gate * : : | 4223764Sdp78419 * 0x00000XXX.XXX00000 -|-----------------------|- kmem64_ | 4233764Sdp78419 * | overmapped area | alignend_end | 4243764Sdp78419 * | (kmem64_alignsize | | 4253764Sdp78419 * | boundary) | | 4260Sstevel@tonic-gate * 0x00000XXX.XXXXXXXX -|-----------------------|- kmem64_end | 4270Sstevel@tonic-gate * | | | 4280Sstevel@tonic-gate * | 64-bit kernel ONLY | | 4290Sstevel@tonic-gate * | | | 4300Sstevel@tonic-gate * | kmem64 segment | | 4310Sstevel@tonic-gate * | | | 4320Sstevel@tonic-gate * | (Relocated extra HME | Approximately 4330Sstevel@tonic-gate * | block allocations, | 1 TB of virtual 4340Sstevel@tonic-gate * | memnode freelists, | address space 4350Sstevel@tonic-gate * | HME hash buckets, | | 4360Sstevel@tonic-gate * | mml_table, kpmp_table,| | 4370Sstevel@tonic-gate * | page_t array and | | 4380Sstevel@tonic-gate * | hashblock pool to | | 4390Sstevel@tonic-gate * | avoid hard-coded | | 4400Sstevel@tonic-gate * | 32-bit vaddr | | 4410Sstevel@tonic-gate * | limitations) | | 4420Sstevel@tonic-gate * | | v 4430Sstevel@tonic-gate * 0x00000700.00000000 -|-----------------------|- SYSLIMIT (kmem64_base) 4440Sstevel@tonic-gate * | | 4450Sstevel@tonic-gate * | segkmem segment | (SYSLIMIT - SYSBASE = 4TB) 4460Sstevel@tonic-gate * | | 4470Sstevel@tonic-gate * 0x00000300.00000000 -|-----------------------|- SYSBASE 4480Sstevel@tonic-gate * : : 4490Sstevel@tonic-gate * : : 4500Sstevel@tonic-gate * -|-----------------------|- 4510Sstevel@tonic-gate * | | 4520Sstevel@tonic-gate * | segmap segment | SEGMAPSIZE (1/8th physmem, 4530Sstevel@tonic-gate * | | 256G MAX) 4540Sstevel@tonic-gate * 0x000002a7.50000000 -|-----------------------|- SEGMAPBASE 4550Sstevel@tonic-gate * : : 4560Sstevel@tonic-gate * : : 4570Sstevel@tonic-gate * -|-----------------------|- 4580Sstevel@tonic-gate * | | 4590Sstevel@tonic-gate * | segkp | SEGKPSIZE (2GB) 4600Sstevel@tonic-gate * | | 4610Sstevel@tonic-gate * | | 4620Sstevel@tonic-gate * 0x000002a1.00000000 -|-----------------------|- SEGKPBASE 4630Sstevel@tonic-gate * | | 4640Sstevel@tonic-gate * 0x000002a0.00000000 -|-----------------------|- MEMSCRUBBASE 4650Sstevel@tonic-gate * | | (SEGKPBASE - 0x400000) 4660Sstevel@tonic-gate * 0x0000029F.FFE00000 -|-----------------------|- ARGSBASE 4670Sstevel@tonic-gate * | | (MEMSCRUBBASE - NCARGS) 4680Sstevel@tonic-gate * 0x0000029F.FFD80000 -|-----------------------|- PPMAPBASE 4690Sstevel@tonic-gate * | | (ARGSBASE - PPMAPSIZE) 4700Sstevel@tonic-gate * 0x0000029F.FFD00000 -|-----------------------|- PPMAP_FAST_BASE 4710Sstevel@tonic-gate * | | 4720Sstevel@tonic-gate * 0x0000029F.FF980000 -|-----------------------|- PIOMAPBASE 4730Sstevel@tonic-gate * | | 4740Sstevel@tonic-gate * 0x0000029F.FF580000 -|-----------------------|- NARG_BASE 4750Sstevel@tonic-gate * : : 4760Sstevel@tonic-gate * : : 4770Sstevel@tonic-gate * 0x00000000.FFFFFFFF -|-----------------------|- OFW_END_ADDR 4780Sstevel@tonic-gate * | | 4790Sstevel@tonic-gate * | OBP | 4800Sstevel@tonic-gate * | | 4810Sstevel@tonic-gate * 0x00000000.F0000000 -|-----------------------|- OFW_START_ADDR 4820Sstevel@tonic-gate * | kmdb | 4830Sstevel@tonic-gate * 0x00000000.EDD00000 -|-----------------------|- SEGDEBUGBASE 4840Sstevel@tonic-gate * : : 4850Sstevel@tonic-gate * : : 4860Sstevel@tonic-gate * 0x00000000.7c000000 -|-----------------------|- SYSLIMIT32 4870Sstevel@tonic-gate * | | 4880Sstevel@tonic-gate * | segkmem32 segment | (SYSLIMIT32 - SYSBASE32 = 4890Sstevel@tonic-gate * | | ~64MB) 4900Sstevel@tonic-gate * 0x00000000.78002000 -|-----------------------| 4910Sstevel@tonic-gate * | panicbuf | 4920Sstevel@tonic-gate * 0x00000000.78000000 -|-----------------------|- SYSBASE32 4930Sstevel@tonic-gate * : : 4940Sstevel@tonic-gate * : : 4950Sstevel@tonic-gate * | | 4960Sstevel@tonic-gate * |-----------------------|- econtig32 4970Sstevel@tonic-gate * | vm structures | 4980Sstevel@tonic-gate * 0x00000000.01C00000 |-----------------------|- nalloc_end 4990Sstevel@tonic-gate * | TSBs | 5000Sstevel@tonic-gate * |-----------------------|- end/nalloc_base 5010Sstevel@tonic-gate * | kernel data & bss | 5020Sstevel@tonic-gate * 0x00000000.01800000 -|-----------------------| 5030Sstevel@tonic-gate * : nucleus text hole : 5040Sstevel@tonic-gate * 0x00000000.01400000 -|-----------------------| 5050Sstevel@tonic-gate * : : 5060Sstevel@tonic-gate * |-----------------------| 5070Sstevel@tonic-gate * | module text | 5080Sstevel@tonic-gate * |-----------------------|- e_text/modtext 5090Sstevel@tonic-gate * | kernel text | 5100Sstevel@tonic-gate * |-----------------------| 5110Sstevel@tonic-gate * | trap table (48k) | 5120Sstevel@tonic-gate * 0x00000000.01000000 -|-----------------------|- KERNELBASE 5130Sstevel@tonic-gate * | reserved for trapstat |} TSTAT_TOTAL_SIZE 5140Sstevel@tonic-gate * |-----------------------| 5150Sstevel@tonic-gate * | | 5160Sstevel@tonic-gate * | invalid | 5170Sstevel@tonic-gate * | | 5180Sstevel@tonic-gate * 0x00000000.00000000 _|_______________________| 5190Sstevel@tonic-gate * 5200Sstevel@tonic-gate * 5210Sstevel@tonic-gate * 5220Sstevel@tonic-gate * 32-bit User Virtual Memory Layout. 5230Sstevel@tonic-gate * /-----------------------\ 5240Sstevel@tonic-gate * | | 5250Sstevel@tonic-gate * | invalid | 5260Sstevel@tonic-gate * | | 5270Sstevel@tonic-gate * 0xFFC00000 -|-----------------------|- USERLIMIT 5280Sstevel@tonic-gate * | user stack | 5290Sstevel@tonic-gate * : : 5300Sstevel@tonic-gate * : : 5310Sstevel@tonic-gate * : : 5320Sstevel@tonic-gate * | user data | 5330Sstevel@tonic-gate * -|-----------------------|- 5340Sstevel@tonic-gate * | user text | 5350Sstevel@tonic-gate * 0x00002000 -|-----------------------|- 5360Sstevel@tonic-gate * | invalid | 5370Sstevel@tonic-gate * 0x00000000 _|_______________________| 5380Sstevel@tonic-gate * 5390Sstevel@tonic-gate * 5400Sstevel@tonic-gate * 5410Sstevel@tonic-gate * 64-bit User Virtual Memory Layout. 5420Sstevel@tonic-gate * /-----------------------\ 5430Sstevel@tonic-gate * | | 5440Sstevel@tonic-gate * | invalid | 5450Sstevel@tonic-gate * | | 5460Sstevel@tonic-gate * 0xFFFFFFFF.80000000 -|-----------------------|- USERLIMIT 5470Sstevel@tonic-gate * | user stack | 5480Sstevel@tonic-gate * : : 5490Sstevel@tonic-gate * : : 5500Sstevel@tonic-gate * : : 5510Sstevel@tonic-gate * | user data | 5520Sstevel@tonic-gate * -|-----------------------|- 5530Sstevel@tonic-gate * | user text | 5540Sstevel@tonic-gate * 0x00000000.00100000 -|-----------------------|- 5550Sstevel@tonic-gate * | invalid | 5560Sstevel@tonic-gate * 0x00000000.00000000 _|_______________________| 5570Sstevel@tonic-gate */ 5580Sstevel@tonic-gate 5590Sstevel@tonic-gate extern caddr_t ecache_init_scrub_flush_area(caddr_t alloc_base); 5600Sstevel@tonic-gate extern uint64_t ecache_flush_address(void); 5610Sstevel@tonic-gate 5620Sstevel@tonic-gate #pragma weak load_platform_modules 5631772Sjl139090 #pragma weak plat_startup_memlist 5640Sstevel@tonic-gate #pragma weak ecache_init_scrub_flush_area 5650Sstevel@tonic-gate #pragma weak ecache_flush_address 5660Sstevel@tonic-gate 5670Sstevel@tonic-gate 5680Sstevel@tonic-gate /* 5690Sstevel@tonic-gate * By default the DR Cage is enabled for maximum OS 5700Sstevel@tonic-gate * MPSS performance. Users needing to disable the cage mechanism 5710Sstevel@tonic-gate * can set this variable to zero via /etc/system. 5720Sstevel@tonic-gate * Disabling the cage on systems supporting Dynamic Reconfiguration (DR) 5730Sstevel@tonic-gate * will result in loss of DR functionality. 5740Sstevel@tonic-gate * Platforms wishing to disable kernel Cage by default 5750Sstevel@tonic-gate * should do so in their set_platform_defaults() routine. 5760Sstevel@tonic-gate */ 5770Sstevel@tonic-gate int kernel_cage_enable = 1; 5780Sstevel@tonic-gate 5790Sstevel@tonic-gate static void 5800Sstevel@tonic-gate setup_cage_params(void) 5810Sstevel@tonic-gate { 5820Sstevel@tonic-gate void (*func)(void); 5830Sstevel@tonic-gate 5840Sstevel@tonic-gate func = (void (*)(void))kobj_getsymvalue("set_platform_cage_params", 0); 5850Sstevel@tonic-gate if (func != NULL) { 5860Sstevel@tonic-gate (*func)(); 5870Sstevel@tonic-gate return; 5880Sstevel@tonic-gate } 5890Sstevel@tonic-gate 5900Sstevel@tonic-gate if (kernel_cage_enable == 0) { 5910Sstevel@tonic-gate return; 5920Sstevel@tonic-gate } 5934266Sdp78419 kcage_range_init(phys_avail, KCAGE_DOWN, total_pages / 256); 5940Sstevel@tonic-gate 5950Sstevel@tonic-gate if (kcage_on) { 5960Sstevel@tonic-gate cmn_err(CE_NOTE, "!Kernel Cage is ENABLED"); 5970Sstevel@tonic-gate } else { 5980Sstevel@tonic-gate cmn_err(CE_NOTE, "!Kernel Cage is DISABLED"); 5990Sstevel@tonic-gate } 6000Sstevel@tonic-gate 6010Sstevel@tonic-gate } 6020Sstevel@tonic-gate 6030Sstevel@tonic-gate /* 6040Sstevel@tonic-gate * Machine-dependent startup code 6050Sstevel@tonic-gate */ 6060Sstevel@tonic-gate void 6070Sstevel@tonic-gate startup(void) 6080Sstevel@tonic-gate { 6090Sstevel@tonic-gate startup_init(); 6100Sstevel@tonic-gate if (&startup_platform) 6110Sstevel@tonic-gate startup_platform(); 6120Sstevel@tonic-gate startup_memlist(); 6130Sstevel@tonic-gate startup_modules(); 6140Sstevel@tonic-gate setup_cage_params(); 6150Sstevel@tonic-gate startup_bop_gone(); 6160Sstevel@tonic-gate startup_vm(); 6170Sstevel@tonic-gate startup_end(); 6180Sstevel@tonic-gate } 6190Sstevel@tonic-gate 6200Sstevel@tonic-gate struct regs sync_reg_buf; 6210Sstevel@tonic-gate uint64_t sync_tt; 6220Sstevel@tonic-gate 6230Sstevel@tonic-gate void 6240Sstevel@tonic-gate sync_handler(void) 6250Sstevel@tonic-gate { 6260Sstevel@tonic-gate struct trap_info ti; 6270Sstevel@tonic-gate int i; 6280Sstevel@tonic-gate 6290Sstevel@tonic-gate /* 6300Sstevel@tonic-gate * Prevent trying to talk to the other CPUs since they are 6310Sstevel@tonic-gate * sitting in the prom and won't reply. 6320Sstevel@tonic-gate */ 6330Sstevel@tonic-gate for (i = 0; i < NCPU; i++) { 6340Sstevel@tonic-gate if ((i != CPU->cpu_id) && CPU_XCALL_READY(i)) { 6350Sstevel@tonic-gate cpu[i]->cpu_flags &= ~CPU_READY; 6360Sstevel@tonic-gate cpu[i]->cpu_flags |= CPU_QUIESCED; 6370Sstevel@tonic-gate CPUSET_DEL(cpu_ready_set, cpu[i]->cpu_id); 6380Sstevel@tonic-gate } 6390Sstevel@tonic-gate } 6400Sstevel@tonic-gate 6410Sstevel@tonic-gate /* 6420Sstevel@tonic-gate * We've managed to get here without going through the 6430Sstevel@tonic-gate * normal panic code path. Try and save some useful 6440Sstevel@tonic-gate * information. 6450Sstevel@tonic-gate */ 6460Sstevel@tonic-gate if (!panicstr && (curthread->t_panic_trap == NULL)) { 6470Sstevel@tonic-gate ti.trap_type = sync_tt; 6480Sstevel@tonic-gate ti.trap_regs = &sync_reg_buf; 6490Sstevel@tonic-gate ti.trap_addr = NULL; 6500Sstevel@tonic-gate ti.trap_mmu_fsr = 0x0; 6510Sstevel@tonic-gate 6520Sstevel@tonic-gate curthread->t_panic_trap = &ti; 6530Sstevel@tonic-gate } 6540Sstevel@tonic-gate 6550Sstevel@tonic-gate /* 6560Sstevel@tonic-gate * If we're re-entering the panic path, update the signature 6570Sstevel@tonic-gate * block so that the SC knows we're in the second part of panic. 6580Sstevel@tonic-gate */ 6590Sstevel@tonic-gate if (panicstr) 6600Sstevel@tonic-gate CPU_SIGNATURE(OS_SIG, SIGST_EXIT, SIGSUBST_DUMP, -1); 6610Sstevel@tonic-gate 6620Sstevel@tonic-gate nopanicdebug = 1; /* do not perform debug_enter() prior to dump */ 6630Sstevel@tonic-gate panic("sync initiated"); 6640Sstevel@tonic-gate } 6650Sstevel@tonic-gate 6660Sstevel@tonic-gate 6670Sstevel@tonic-gate static void 6680Sstevel@tonic-gate startup_init(void) 6690Sstevel@tonic-gate { 6700Sstevel@tonic-gate /* 6710Sstevel@tonic-gate * We want to save the registers while we're still in OBP 6720Sstevel@tonic-gate * so that we know they haven't been fiddled with since. 6730Sstevel@tonic-gate * (In principle, OBP can't change them just because it 6740Sstevel@tonic-gate * makes a callback, but we'd rather not depend on that 6750Sstevel@tonic-gate * behavior.) 6760Sstevel@tonic-gate */ 6770Sstevel@tonic-gate char sync_str[] = 678*4528Spaulsan "warning @ warning off : sync " 679*4528Spaulsan "%%tl-c %%tstate h# %p x! " 680*4528Spaulsan "%%g1 h# %p x! %%g2 h# %p x! %%g3 h# %p x! " 681*4528Spaulsan "%%g4 h# %p x! %%g5 h# %p x! %%g6 h# %p x! " 682*4528Spaulsan "%%g7 h# %p x! %%o0 h# %p x! %%o1 h# %p x! " 683*4528Spaulsan "%%o2 h# %p x! %%o3 h# %p x! %%o4 h# %p x! " 684*4528Spaulsan "%%o5 h# %p x! %%o6 h# %p x! %%o7 h# %p x! " 685*4528Spaulsan "%%tl-c %%tpc h# %p x! %%tl-c %%tnpc h# %p x! " 686*4528Spaulsan "%%y h# %p l! %%tl-c %%tt h# %p x! " 687*4528Spaulsan "sync ; warning !"; 6880Sstevel@tonic-gate 6890Sstevel@tonic-gate /* 6900Sstevel@tonic-gate * 20 == num of %p substrings 6910Sstevel@tonic-gate * 16 == max num of chars %p will expand to. 6920Sstevel@tonic-gate */ 6930Sstevel@tonic-gate char bp[sizeof (sync_str) + 16 * 20]; 6940Sstevel@tonic-gate 6950Sstevel@tonic-gate (void) check_boot_version(BOP_GETVERSION(bootops)); 6960Sstevel@tonic-gate 6970Sstevel@tonic-gate /* 6980Sstevel@tonic-gate * Initialize ptl1 stack for the 1st CPU. 6990Sstevel@tonic-gate */ 7000Sstevel@tonic-gate ptl1_init_cpu(&cpu0); 7010Sstevel@tonic-gate 7020Sstevel@tonic-gate /* 7030Sstevel@tonic-gate * Initialize the address map for cache consistent mappings 7040Sstevel@tonic-gate * to random pages; must be done after vac_size is set. 7050Sstevel@tonic-gate */ 7060Sstevel@tonic-gate ppmapinit(); 7070Sstevel@tonic-gate 7080Sstevel@tonic-gate /* 7090Sstevel@tonic-gate * Initialize the PROM callback handler. 7100Sstevel@tonic-gate */ 7110Sstevel@tonic-gate init_vx_handler(); 7120Sstevel@tonic-gate 7130Sstevel@tonic-gate /* 7140Sstevel@tonic-gate * have prom call sync_callback() to handle the sync and 7150Sstevel@tonic-gate * save some useful information which will be stored in the 7160Sstevel@tonic-gate * core file later. 7170Sstevel@tonic-gate */ 7180Sstevel@tonic-gate (void) sprintf((char *)bp, sync_str, 719*4528Spaulsan (void *)&sync_reg_buf.r_tstate, (void *)&sync_reg_buf.r_g1, 720*4528Spaulsan (void *)&sync_reg_buf.r_g2, (void *)&sync_reg_buf.r_g3, 721*4528Spaulsan (void *)&sync_reg_buf.r_g4, (void *)&sync_reg_buf.r_g5, 722*4528Spaulsan (void *)&sync_reg_buf.r_g6, (void *)&sync_reg_buf.r_g7, 723*4528Spaulsan (void *)&sync_reg_buf.r_o0, (void *)&sync_reg_buf.r_o1, 724*4528Spaulsan (void *)&sync_reg_buf.r_o2, (void *)&sync_reg_buf.r_o3, 725*4528Spaulsan (void *)&sync_reg_buf.r_o4, (void *)&sync_reg_buf.r_o5, 726*4528Spaulsan (void *)&sync_reg_buf.r_o6, (void *)&sync_reg_buf.r_o7, 727*4528Spaulsan (void *)&sync_reg_buf.r_pc, (void *)&sync_reg_buf.r_npc, 728*4528Spaulsan (void *)&sync_reg_buf.r_y, (void *)&sync_tt); 7290Sstevel@tonic-gate prom_interpret(bp, 0, 0, 0, 0, 0); 7300Sstevel@tonic-gate add_vx_handler("sync", 1, (void (*)(cell_t *))sync_handler); 7310Sstevel@tonic-gate } 7320Sstevel@tonic-gate 7330Sstevel@tonic-gate static u_longlong_t *boot_physinstalled, *boot_physavail, *boot_virtavail; 7340Sstevel@tonic-gate static size_t boot_physinstalled_len, boot_physavail_len, boot_virtavail_len; 7350Sstevel@tonic-gate 7362973Sgovinda #define IVSIZE ((MAXIVNUM * sizeof (intr_vec_t *)) + \ 7372973Sgovinda (MAX_RSVD_IV * sizeof (intr_vec_t)) + \ 7382973Sgovinda (MAX_RSVD_IVX * sizeof (intr_vecx_t))) 7390Sstevel@tonic-gate 7403764Sdp78419 #if !defined(C_OBP) 7413764Sdp78419 /* 7423764Sdp78419 * Install a temporary tte handler in OBP for kmem64 area. 7433764Sdp78419 * 7443764Sdp78419 * We map kmem64 area with large pages before the trap table is taken 7453764Sdp78419 * over. Since OBP makes 8K mappings, it can create 8K tlb entries in 7463764Sdp78419 * the same area. Duplicate tlb entries with different page sizes 7473764Sdp78419 * cause unpredicatble behavior. To avoid this, we don't create 7483764Sdp78419 * kmem64 mappings via BOP_ALLOC (ends up as prom_alloc() call to 7493764Sdp78419 * OBP). Instead, we manage translations with a temporary va>tte-data 7503764Sdp78419 * handler (kmem64-tte). This handler is replaced by unix-tte when 7513764Sdp78419 * the trap table is taken over. 7523764Sdp78419 * 7533764Sdp78419 * The temporary handler knows the physical address of the kmem64 7543764Sdp78419 * area. It uses the prom's pgmap@ Forth word for other addresses. 7553764Sdp78419 * 7563764Sdp78419 * We have to use BOP_ALLOC() method for C-OBP platforms because 7573764Sdp78419 * pgmap@ is not defined in C-OBP. C-OBP is only used on serengeti 7583764Sdp78419 * sun4u platforms. On sun4u we flush tlb after trap table is taken 7593764Sdp78419 * over if we use large pages for kernel heap and kmem64. Since sun4u 7603764Sdp78419 * prom (unlike sun4v) calls va>tte-data first for client address 7613764Sdp78419 * translation prom's ttes for kmem64 can't get into TLB even if we 7623764Sdp78419 * later switch to prom's trap table again. C-OBP uses 4M pages for 7633764Sdp78419 * client mappings when possible so on all platforms we get the 7643764Sdp78419 * benefit from large mappings for kmem64 area immediately during 7653764Sdp78419 * boot. 7663764Sdp78419 * 7673764Sdp78419 * pseudo code: 7683764Sdp78419 * if (context != 0) { 7693764Sdp78419 * return false 7703764Sdp78419 * } else if (miss_va in range[kmem64_base, kmem64_end)) { 7713764Sdp78419 * tte = tte_template + 7723764Sdp78419 * (((miss_va & pagemask) - kmem64_base)); 7733764Sdp78419 * return tte, true 7743764Sdp78419 * } else { 7753764Sdp78419 * return pgmap@ result 7763764Sdp78419 * } 7773764Sdp78419 */ 7783764Sdp78419 char kmem64_obp_str[] = 7793764Sdp78419 "h# %lx constant kmem64_base " 7803764Sdp78419 "h# %lx constant kmem64_end " 7813764Sdp78419 "h# %lx constant kmem64_pagemask " 7823764Sdp78419 "h# %lx constant kmem64_template " 7833764Sdp78419 7843764Sdp78419 ": kmem64-tte ( addr cnum -- false | tte-data true ) " 7853764Sdp78419 " if ( addr ) " 7863764Sdp78419 " drop false exit then ( false ) " 7873764Sdp78419 " dup kmem64_base kmem64_end within if ( addr ) " 7883764Sdp78419 " kmem64_pagemask and ( addr' ) " 7893764Sdp78419 " kmem64_base - ( addr' ) " 7903764Sdp78419 " kmem64_template + ( tte ) " 7913764Sdp78419 " true ( tte true ) " 7923764Sdp78419 " else ( addr ) " 7933764Sdp78419 " pgmap@ ( tte ) " 7943764Sdp78419 " dup 0< if true else drop false then ( tte true | false ) " 7953764Sdp78419 " then ( tte true | false ) " 7963764Sdp78419 "; " 7973764Sdp78419 7983764Sdp78419 "' kmem64-tte is va>tte-data " 7993764Sdp78419 ; 8003764Sdp78419 8013764Sdp78419 void 8023764Sdp78419 install_kmem64_tte() 8033764Sdp78419 { 8043764Sdp78419 char b[sizeof (kmem64_obp_str) + (4 * 16)]; 8053764Sdp78419 tte_t tte; 8063764Sdp78419 8073764Sdp78419 PRM_DEBUG(kmem64_pabase); 8083764Sdp78419 PRM_DEBUG(kmem64_szc); 8093764Sdp78419 sfmmu_memtte(&tte, kmem64_pabase >> MMU_PAGESHIFT, 8103764Sdp78419 PROC_DATA | HAT_NOSYNC, kmem64_szc); 8113764Sdp78419 PRM_DEBUG(tte.ll); 8123764Sdp78419 (void) sprintf(b, kmem64_obp_str, 8133764Sdp78419 kmem64_base, kmem64_end, TTE_PAGEMASK(kmem64_szc), tte.ll); 8143764Sdp78419 ASSERT(strlen(b) < sizeof (b)); 8153764Sdp78419 prom_interpret(b, 0, 0, 0, 0, 0); 8163764Sdp78419 } 8173764Sdp78419 #endif /* !C_OBP */ 8183764Sdp78419 8190Sstevel@tonic-gate /* 8200Sstevel@tonic-gate * As OBP takes up some RAM when the system boots, pages will already be "lost" 8210Sstevel@tonic-gate * to the system and reflected in npages by the time we see it. 8220Sstevel@tonic-gate * 8230Sstevel@tonic-gate * We only want to allocate kernel structures in the 64-bit virtual address 8240Sstevel@tonic-gate * space on systems with enough RAM to make the overhead of keeping track of 8250Sstevel@tonic-gate * an extra kernel memory segment worthwhile. 8260Sstevel@tonic-gate * 8270Sstevel@tonic-gate * Since OBP has already performed its memory allocations by this point, if we 8280Sstevel@tonic-gate * have more than MINMOVE_RAM_MB MB of RAM left free, go ahead and map 8290Sstevel@tonic-gate * memory in the 64-bit virtual address space; otherwise keep allocations 8300Sstevel@tonic-gate * contiguous with we've mapped so far in the 32-bit virtual address space. 8310Sstevel@tonic-gate */ 8320Sstevel@tonic-gate #define MINMOVE_RAM_MB ((size_t)1900) 8330Sstevel@tonic-gate #define MB_TO_BYTES(mb) ((mb) * 1048576ul) 8340Sstevel@tonic-gate 8350Sstevel@tonic-gate pgcnt_t tune_npages = (pgcnt_t) 8360Sstevel@tonic-gate (MB_TO_BYTES(MINMOVE_RAM_MB)/ (size_t)MMU_PAGESIZE); 8370Sstevel@tonic-gate 8383733Sdp78419 #pragma weak page_set_colorequiv_arr_cpu 8393733Sdp78419 extern void page_set_colorequiv_arr_cpu(void); 8403733Sdp78419 8410Sstevel@tonic-gate static void 8420Sstevel@tonic-gate startup_memlist(void) 8430Sstevel@tonic-gate { 8440Sstevel@tonic-gate size_t alloc_sz; 8450Sstevel@tonic-gate size_t ctrs_sz; 8460Sstevel@tonic-gate caddr_t alloc_base; 8470Sstevel@tonic-gate caddr_t ctrs_base, ctrs_end; 8480Sstevel@tonic-gate caddr_t memspace; 8490Sstevel@tonic-gate caddr_t va; 8500Sstevel@tonic-gate int memblocks = 0; 8510Sstevel@tonic-gate struct memlist *cur; 8520Sstevel@tonic-gate size_t syslimit = (size_t)SYSLIMIT; 8530Sstevel@tonic-gate size_t sysbase = (size_t)SYSBASE; 8543764Sdp78419 int alloc_alignsize = ecache_alignsize; 8553764Sdp78419 int i; 8560Sstevel@tonic-gate extern void page_coloring_init(void); 8573717Sdp78419 extern void page_set_colorequiv_arr(void); 8580Sstevel@tonic-gate 8590Sstevel@tonic-gate /* 8600Sstevel@tonic-gate * Initialize enough of the system to allow kmem_alloc to work by 8610Sstevel@tonic-gate * calling boot to allocate its memory until the time that 8620Sstevel@tonic-gate * kvm_init is completed. The page structs are allocated after 8630Sstevel@tonic-gate * rounding up end to the nearest page boundary; the memsegs are 8640Sstevel@tonic-gate * initialized and the space they use comes from the kernel heap. 8650Sstevel@tonic-gate * With appropriate initialization, they can be reallocated later 8660Sstevel@tonic-gate * to a size appropriate for the machine's configuration. 8670Sstevel@tonic-gate * 8680Sstevel@tonic-gate * At this point, memory is allocated for things that will never 8690Sstevel@tonic-gate * need to be freed, this used to be "valloced". This allows a 8700Sstevel@tonic-gate * savings as the pages don't need page structures to describe 8710Sstevel@tonic-gate * them because them will not be managed by the vm system. 8720Sstevel@tonic-gate */ 8730Sstevel@tonic-gate 8740Sstevel@tonic-gate /* 8750Sstevel@tonic-gate * We're loaded by boot with the following configuration (as 8760Sstevel@tonic-gate * specified in the sun4u/conf/Mapfile): 8770Sstevel@tonic-gate * 8780Sstevel@tonic-gate * text: 4 MB chunk aligned on a 4MB boundary 8790Sstevel@tonic-gate * data & bss: 4 MB chunk aligned on a 4MB boundary 8800Sstevel@tonic-gate * 8810Sstevel@tonic-gate * These two chunks will eventually be mapped by 2 locked 4MB 8820Sstevel@tonic-gate * ttes and will represent the nucleus of the kernel. This gives 8830Sstevel@tonic-gate * us some free space that is already allocated, some or all of 8840Sstevel@tonic-gate * which is made available to kernel module text. 8850Sstevel@tonic-gate * 8860Sstevel@tonic-gate * The free space in the data-bss chunk is used for nucleus 8870Sstevel@tonic-gate * allocatable data structures and we reserve it using the 8880Sstevel@tonic-gate * nalloc_base and nalloc_end variables. This space is currently 8890Sstevel@tonic-gate * being used for hat data structures required for tlb miss 8900Sstevel@tonic-gate * handling operations. We align nalloc_base to a l2 cache 8910Sstevel@tonic-gate * linesize because this is the line size the hardware uses to 8920Sstevel@tonic-gate * maintain cache coherency. 8930Sstevel@tonic-gate * 256K is carved out for module data. 8940Sstevel@tonic-gate */ 8950Sstevel@tonic-gate 8960Sstevel@tonic-gate nalloc_base = (caddr_t)roundup((uintptr_t)e_data, MMU_PAGESIZE); 8970Sstevel@tonic-gate moddata = nalloc_base; 8980Sstevel@tonic-gate e_moddata = nalloc_base + MODDATA; 8990Sstevel@tonic-gate nalloc_base = e_moddata; 9000Sstevel@tonic-gate 9010Sstevel@tonic-gate nalloc_end = (caddr_t)roundup((uintptr_t)nalloc_base, MMU_PAGESIZE4M); 9020Sstevel@tonic-gate valloc_base = nalloc_base; 9030Sstevel@tonic-gate 9040Sstevel@tonic-gate /* 9050Sstevel@tonic-gate * Calculate the start of the data segment. 9060Sstevel@tonic-gate */ 9070Sstevel@tonic-gate sdata = (caddr_t)((uintptr_t)e_data & MMU_PAGEMASK4M); 9080Sstevel@tonic-gate 9090Sstevel@tonic-gate PRM_DEBUG(moddata); 9100Sstevel@tonic-gate PRM_DEBUG(nalloc_base); 9110Sstevel@tonic-gate PRM_DEBUG(nalloc_end); 9120Sstevel@tonic-gate PRM_DEBUG(sdata); 9130Sstevel@tonic-gate 9140Sstevel@tonic-gate /* 9150Sstevel@tonic-gate * Remember any slop after e_text so we can give it to the modules. 9160Sstevel@tonic-gate */ 9170Sstevel@tonic-gate PRM_DEBUG(e_text); 9180Sstevel@tonic-gate modtext = (caddr_t)roundup((uintptr_t)e_text, MMU_PAGESIZE); 9193791Skchow if (((uintptr_t)e_text & MMU_PAGEMASK4M) != (uintptr_t)s_text) 9203764Sdp78419 prom_panic("nucleus text overflow"); 9210Sstevel@tonic-gate modtext_sz = (caddr_t)roundup((uintptr_t)modtext, MMU_PAGESIZE4M) - 9220Sstevel@tonic-gate modtext; 9230Sstevel@tonic-gate PRM_DEBUG(modtext); 9240Sstevel@tonic-gate PRM_DEBUG(modtext_sz); 9250Sstevel@tonic-gate 9260Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 9270Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 9280Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 9290Sstevel@tonic-gate /* 9300Sstevel@tonic-gate * Remember what the physically available highest page is 9310Sstevel@tonic-gate * so that dumpsys works properly, and find out how much 9320Sstevel@tonic-gate * memory is installed. 9330Sstevel@tonic-gate */ 9340Sstevel@tonic-gate installed_top_size_memlist_array(boot_physinstalled, 9350Sstevel@tonic-gate boot_physinstalled_len, &physmax, &physinstalled); 9360Sstevel@tonic-gate PRM_DEBUG(physinstalled); 9370Sstevel@tonic-gate PRM_DEBUG(physmax); 9380Sstevel@tonic-gate 9390Sstevel@tonic-gate /* Fill out memory nodes config structure */ 9400Sstevel@tonic-gate startup_build_mem_nodes(boot_physinstalled, boot_physinstalled_len); 9410Sstevel@tonic-gate 9420Sstevel@tonic-gate /* 9430Sstevel@tonic-gate * Get the list of physically available memory to size 9440Sstevel@tonic-gate * the number of page structures needed. 9450Sstevel@tonic-gate */ 9460Sstevel@tonic-gate size_physavail(boot_physavail, boot_physavail_len, &npages, &memblocks); 9470Sstevel@tonic-gate /* 9480Sstevel@tonic-gate * This first snap shot of npages can represent the pages used 9490Sstevel@tonic-gate * by OBP's text and data approximately. This is used in the 9500Sstevel@tonic-gate * the calculation of the kernel size 9510Sstevel@tonic-gate */ 9520Sstevel@tonic-gate obp_pages = physinstalled - npages; 9530Sstevel@tonic-gate 9540Sstevel@tonic-gate 9550Sstevel@tonic-gate /* 9560Sstevel@tonic-gate * On small-memory systems (<MODTEXT_SM_SIZE MB, currently 256MB), the 9570Sstevel@tonic-gate * in-nucleus module text is capped to MODTEXT_SM_CAP bytes (currently 9580Sstevel@tonic-gate * 2MB) and any excess pages are put on physavail. The assumption is 9590Sstevel@tonic-gate * that small-memory systems will need more pages more than they'll 9600Sstevel@tonic-gate * need efficiently-mapped module texts. 9610Sstevel@tonic-gate */ 9620Sstevel@tonic-gate if ((physinstalled < mmu_btop(MODTEXT_SM_SIZE << 20)) && 9630Sstevel@tonic-gate modtext_sz > MODTEXT_SM_CAP) { 9640Sstevel@tonic-gate extra_etpg = mmu_btop(modtext_sz - MODTEXT_SM_CAP); 9650Sstevel@tonic-gate modtext_sz = MODTEXT_SM_CAP; 9663791Skchow extra_etva = modtext + modtext_sz; 9673791Skchow } 9683791Skchow 9690Sstevel@tonic-gate PRM_DEBUG(extra_etpg); 9700Sstevel@tonic-gate PRM_DEBUG(modtext_sz); 9710Sstevel@tonic-gate PRM_DEBUG(extra_etva); 9720Sstevel@tonic-gate 9730Sstevel@tonic-gate /* 9740Sstevel@tonic-gate * Account for any pages after e_text and e_data. 9750Sstevel@tonic-gate */ 9760Sstevel@tonic-gate npages += extra_etpg; 9770Sstevel@tonic-gate npages += mmu_btopr(nalloc_end - nalloc_base); 9780Sstevel@tonic-gate PRM_DEBUG(npages); 9790Sstevel@tonic-gate 9800Sstevel@tonic-gate /* 9810Sstevel@tonic-gate * npages is the maximum of available physical memory possible. 9820Sstevel@tonic-gate * (ie. it will never be more than this) 9830Sstevel@tonic-gate */ 9840Sstevel@tonic-gate 9850Sstevel@tonic-gate /* 9860Sstevel@tonic-gate * initialize the nucleus memory allocator. 9870Sstevel@tonic-gate */ 9880Sstevel@tonic-gate ndata_alloc_init(&ndata, (uintptr_t)nalloc_base, (uintptr_t)nalloc_end); 9890Sstevel@tonic-gate 9900Sstevel@tonic-gate /* 9910Sstevel@tonic-gate * Allocate mmu fault status area from the nucleus data area. 9920Sstevel@tonic-gate */ 9930Sstevel@tonic-gate if ((&ndata_alloc_mmfsa != NULL) && (ndata_alloc_mmfsa(&ndata) != 0)) 9940Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after mfsa alloc"); 9950Sstevel@tonic-gate 9960Sstevel@tonic-gate /* 9970Sstevel@tonic-gate * Allocate kernel TSBs from the nucleus data area. 9980Sstevel@tonic-gate */ 9990Sstevel@tonic-gate if (ndata_alloc_tsbs(&ndata, npages) != 0) 10000Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after tsbs alloc"); 10010Sstevel@tonic-gate 10020Sstevel@tonic-gate /* 10030Sstevel@tonic-gate * Allocate dmv dispatch table from the nucleus data area. 10040Sstevel@tonic-gate */ 10050Sstevel@tonic-gate if (ndata_alloc_dmv(&ndata) != 0) 10060Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after dmv alloc"); 10070Sstevel@tonic-gate 10080Sstevel@tonic-gate 10090Sstevel@tonic-gate page_coloring_init(); 10100Sstevel@tonic-gate 10110Sstevel@tonic-gate /* 10120Sstevel@tonic-gate * Allocate page_freelists bin headers for memnode 0 from the 10130Sstevel@tonic-gate * nucleus data area. 10140Sstevel@tonic-gate */ 10150Sstevel@tonic-gate if (ndata_alloc_page_freelists(&ndata, 0) != 0) 10160Sstevel@tonic-gate cmn_err(CE_PANIC, 10170Sstevel@tonic-gate "no more nucleus memory after page free lists alloc"); 10180Sstevel@tonic-gate 10190Sstevel@tonic-gate if (kpm_enable) { 10200Sstevel@tonic-gate kpm_init(); 10210Sstevel@tonic-gate /* 10220Sstevel@tonic-gate * kpm page space -- Update kpm_npages and make the 10230Sstevel@tonic-gate * same assumption about fragmenting as it is done 10240Sstevel@tonic-gate * for memseg_sz. 10250Sstevel@tonic-gate */ 10260Sstevel@tonic-gate kpm_npages_setup(memblocks + 4); 10270Sstevel@tonic-gate } 10280Sstevel@tonic-gate 10290Sstevel@tonic-gate /* 10300Sstevel@tonic-gate * Allocate hat related structs from the nucleus data area. 10310Sstevel@tonic-gate */ 10320Sstevel@tonic-gate if (ndata_alloc_hat(&ndata, npages, kpm_npages) != 0) 10330Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after hat alloc"); 10340Sstevel@tonic-gate 10350Sstevel@tonic-gate /* 10360Sstevel@tonic-gate * We want to do the BOP_ALLOCs before the real allocation of page 10370Sstevel@tonic-gate * structs in order to not have to allocate page structs for this 10380Sstevel@tonic-gate * memory. We need to calculate a virtual address because we want 10390Sstevel@tonic-gate * the page structs to come before other allocations in virtual address 10400Sstevel@tonic-gate * space. This is so some (if not all) of page structs can actually 10410Sstevel@tonic-gate * live in the nucleus. 10420Sstevel@tonic-gate */ 10430Sstevel@tonic-gate 10440Sstevel@tonic-gate /* 10450Sstevel@tonic-gate * WARNING WARNING WARNING WARNING WARNING WARNING WARNING 10460Sstevel@tonic-gate * 10470Sstevel@tonic-gate * There are comments all over the SFMMU code warning of dire 10480Sstevel@tonic-gate * consequences if the TSBs are moved out of 32-bit space. This 10490Sstevel@tonic-gate * is largely because the asm code uses "sethi %hi(addr)"-type 10500Sstevel@tonic-gate * instructions which will not provide the expected result if the 10510Sstevel@tonic-gate * address is a 64-bit one. 10520Sstevel@tonic-gate * 10530Sstevel@tonic-gate * WARNING WARNING WARNING WARNING WARNING WARNING WARNING 10540Sstevel@tonic-gate */ 10550Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)nalloc_end, MMU_PAGESIZE); 10560Sstevel@tonic-gate alloc_base = sfmmu_ktsb_alloc(alloc_base); 10570Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 10580Sstevel@tonic-gate PRM_DEBUG(alloc_base); 10590Sstevel@tonic-gate 10600Sstevel@tonic-gate /* 10610Sstevel@tonic-gate * Allocate IOMMU TSB array. We do this here so that the physical 10620Sstevel@tonic-gate * memory gets deducted from the PROM's physical memory list. 10630Sstevel@tonic-gate */ 10640Sstevel@tonic-gate alloc_base = iommu_tsb_init(alloc_base); 10650Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 10660Sstevel@tonic-gate ecache_alignsize); 10670Sstevel@tonic-gate PRM_DEBUG(alloc_base); 10680Sstevel@tonic-gate 10690Sstevel@tonic-gate /* 10701772Sjl139090 * Platforms like Starcat and OPL need special structures assigned in 10711772Sjl139090 * 32-bit virtual address space because their probing routines execute 10721772Sjl139090 * FCode, and FCode can't handle 64-bit virtual addresses... 10730Sstevel@tonic-gate */ 10741772Sjl139090 if (&plat_startup_memlist) { 10751772Sjl139090 alloc_base = plat_startup_memlist(alloc_base); 10760Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 10770Sstevel@tonic-gate ecache_alignsize); 10780Sstevel@tonic-gate PRM_DEBUG(alloc_base); 10790Sstevel@tonic-gate } 10800Sstevel@tonic-gate 10810Sstevel@tonic-gate /* 10820Sstevel@tonic-gate * Save off where the contiguous allocations to date have ended 10830Sstevel@tonic-gate * in econtig32. 10840Sstevel@tonic-gate */ 10850Sstevel@tonic-gate econtig32 = alloc_base; 10860Sstevel@tonic-gate PRM_DEBUG(econtig32); 10870Sstevel@tonic-gate 10880Sstevel@tonic-gate if (econtig32 > (caddr_t)KERNEL_LIMIT32) 10890Sstevel@tonic-gate cmn_err(CE_PANIC, "econtig32 too big"); 10900Sstevel@tonic-gate 10910Sstevel@tonic-gate /* 10920Sstevel@tonic-gate * To avoid memory allocation collisions in the 32-bit virtual address 10930Sstevel@tonic-gate * space, make allocations from this point forward in 64-bit virtual 10943764Sdp78419 * address space starting at syslimit and working up. 10950Sstevel@tonic-gate * 10960Sstevel@tonic-gate * All this is needed because on large memory systems, the default 10970Sstevel@tonic-gate * Solaris allocations will collide with SYSBASE32, which is hard 10980Sstevel@tonic-gate * coded to be at the virtual address 0x78000000. Therefore, on 64-bit 10990Sstevel@tonic-gate * kernels, move the allocations to a location in the 64-bit virtual 11000Sstevel@tonic-gate * address space space, allowing those structures to grow without 11010Sstevel@tonic-gate * worry. 11020Sstevel@tonic-gate * 11030Sstevel@tonic-gate * On current CPUs we'll run out of physical memory address bits before 11040Sstevel@tonic-gate * we need to worry about the allocations running into anything else in 11050Sstevel@tonic-gate * VM or the virtual address holes on US-I and II, as there's currently 11060Sstevel@tonic-gate * about 1 TB of addressable space before the US-I/II VA hole. 11070Sstevel@tonic-gate */ 11080Sstevel@tonic-gate kmem64_base = (caddr_t)syslimit; 11090Sstevel@tonic-gate PRM_DEBUG(kmem64_base); 11100Sstevel@tonic-gate 11113764Sdp78419 /* 11123764Sdp78419 * Allocate addresses, but not physical memory. None of these locations 11133764Sdp78419 * can be touched until physical memory is allocated below. 11143764Sdp78419 */ 11153764Sdp78419 alloc_base = kmem64_base; 11160Sstevel@tonic-gate 11170Sstevel@tonic-gate /* 11180Sstevel@tonic-gate * If KHME and/or UHME hash buckets won't fit in the nucleus, allocate 11190Sstevel@tonic-gate * them here. 11200Sstevel@tonic-gate */ 11210Sstevel@tonic-gate if (khme_hash == NULL || uhme_hash == NULL) { 11220Sstevel@tonic-gate /* 11230Sstevel@tonic-gate * alloc_hme_buckets() will align alloc_base properly before 11240Sstevel@tonic-gate * assigning the hash buckets, so we don't need to do it 11250Sstevel@tonic-gate * before the call... 11260Sstevel@tonic-gate */ 11270Sstevel@tonic-gate alloc_base = alloc_hme_buckets(alloc_base, alloc_alignsize); 11280Sstevel@tonic-gate 11290Sstevel@tonic-gate PRM_DEBUG(alloc_base); 11300Sstevel@tonic-gate PRM_DEBUG(khme_hash); 11310Sstevel@tonic-gate PRM_DEBUG(uhme_hash); 11320Sstevel@tonic-gate } 11330Sstevel@tonic-gate 11340Sstevel@tonic-gate /* 11354204Sha137994 * Allow for an early allocation of physically contiguous memory. 11364204Sha137994 */ 11374204Sha137994 alloc_base = contig_mem_prealloc(alloc_base, npages); 11384204Sha137994 11394204Sha137994 /* 11400Sstevel@tonic-gate * Allocate the remaining page freelists. NUMA systems can 11410Sstevel@tonic-gate * have lots of page freelists, one per node, which quickly 11420Sstevel@tonic-gate * outgrow the amount of nucleus memory available. 11430Sstevel@tonic-gate */ 11440Sstevel@tonic-gate if (max_mem_nodes > 1) { 11450Sstevel@tonic-gate int mnode; 11460Sstevel@tonic-gate 11470Sstevel@tonic-gate for (mnode = 1; mnode < max_mem_nodes; mnode++) { 11480Sstevel@tonic-gate alloc_base = alloc_page_freelists(mnode, alloc_base, 1149*4528Spaulsan ecache_alignsize); 11500Sstevel@tonic-gate } 11510Sstevel@tonic-gate PRM_DEBUG(alloc_base); 11520Sstevel@tonic-gate } 11530Sstevel@tonic-gate 11540Sstevel@tonic-gate if (!mml_table) { 11550Sstevel@tonic-gate size_t mmltable_sz; 11560Sstevel@tonic-gate 11570Sstevel@tonic-gate /* 11580Sstevel@tonic-gate * We need to allocate the mml_table here because there 11590Sstevel@tonic-gate * was not enough space within the nucleus. 11600Sstevel@tonic-gate */ 11610Sstevel@tonic-gate mmltable_sz = sizeof (kmutex_t) * mml_table_sz; 11620Sstevel@tonic-gate alloc_sz = roundup(mmltable_sz, alloc_alignsize); 11630Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 11640Sstevel@tonic-gate alloc_alignsize); 11653764Sdp78419 mml_table = (kmutex_t *)alloc_base; 11660Sstevel@tonic-gate alloc_base += alloc_sz; 11670Sstevel@tonic-gate PRM_DEBUG(mml_table); 11680Sstevel@tonic-gate PRM_DEBUG(alloc_base); 11690Sstevel@tonic-gate } 11700Sstevel@tonic-gate 11710Sstevel@tonic-gate if (kpm_enable && !(kpmp_table || kpmp_stable)) { 11720Sstevel@tonic-gate size_t kpmptable_sz; 11730Sstevel@tonic-gate caddr_t table; 11740Sstevel@tonic-gate 11750Sstevel@tonic-gate /* 11760Sstevel@tonic-gate * We need to allocate either kpmp_table or kpmp_stable here 11770Sstevel@tonic-gate * because there was not enough space within the nucleus. 11780Sstevel@tonic-gate */ 11790Sstevel@tonic-gate kpmptable_sz = (kpm_smallpages == 0) ? 1180*4528Spaulsan sizeof (kpm_hlk_t) * kpmp_table_sz : 1181*4528Spaulsan sizeof (kpm_shlk_t) * kpmp_stable_sz; 11820Sstevel@tonic-gate 11830Sstevel@tonic-gate alloc_sz = roundup(kpmptable_sz, alloc_alignsize); 11840Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 11850Sstevel@tonic-gate alloc_alignsize); 11860Sstevel@tonic-gate 11873764Sdp78419 table = alloc_base; 11880Sstevel@tonic-gate 11890Sstevel@tonic-gate if (kpm_smallpages == 0) { 11900Sstevel@tonic-gate kpmp_table = (kpm_hlk_t *)table; 11910Sstevel@tonic-gate PRM_DEBUG(kpmp_table); 11920Sstevel@tonic-gate } else { 11930Sstevel@tonic-gate kpmp_stable = (kpm_shlk_t *)table; 11940Sstevel@tonic-gate PRM_DEBUG(kpmp_stable); 11950Sstevel@tonic-gate } 11960Sstevel@tonic-gate 11970Sstevel@tonic-gate alloc_base += alloc_sz; 11980Sstevel@tonic-gate PRM_DEBUG(alloc_base); 11990Sstevel@tonic-gate } 12000Sstevel@tonic-gate 12010Sstevel@tonic-gate if (&ecache_init_scrub_flush_area) { 12020Sstevel@tonic-gate /* 12030Sstevel@tonic-gate * Pass alloc_base directly, as the routine itself is 12040Sstevel@tonic-gate * responsible for any special alignment requirements... 12050Sstevel@tonic-gate */ 12060Sstevel@tonic-gate alloc_base = ecache_init_scrub_flush_area(alloc_base); 12070Sstevel@tonic-gate PRM_DEBUG(alloc_base); 12080Sstevel@tonic-gate } 12090Sstevel@tonic-gate 12100Sstevel@tonic-gate /* 12110Sstevel@tonic-gate * Take the most current snapshot we can by calling mem-update. 12120Sstevel@tonic-gate */ 12130Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 12140Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 12150Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 12160Sstevel@tonic-gate 12170Sstevel@tonic-gate /* 12180Sstevel@tonic-gate * Reset npages and memblocks based on boot_physavail list. 12190Sstevel@tonic-gate */ 12200Sstevel@tonic-gate size_physavail(boot_physavail, boot_physavail_len, &npages, &memblocks); 12210Sstevel@tonic-gate PRM_DEBUG(npages); 12220Sstevel@tonic-gate 12230Sstevel@tonic-gate /* 12240Sstevel@tonic-gate * Account for extra memory after e_text. 12250Sstevel@tonic-gate */ 12260Sstevel@tonic-gate npages += extra_etpg; 12270Sstevel@tonic-gate 12280Sstevel@tonic-gate /* 12290Sstevel@tonic-gate * Calculate the largest free memory chunk in the nucleus data area. 12300Sstevel@tonic-gate * We need to figure out if page structs can fit in there or not. 12310Sstevel@tonic-gate * We also make sure enough page structs get created for any physical 12320Sstevel@tonic-gate * memory we might be returning to the system. 12330Sstevel@tonic-gate */ 12340Sstevel@tonic-gate ndata_remain_sz = ndata_maxsize(&ndata); 12350Sstevel@tonic-gate PRM_DEBUG(ndata_remain_sz); 12360Sstevel@tonic-gate 12370Sstevel@tonic-gate pp_sz = sizeof (struct page) * npages; 12380Sstevel@tonic-gate 12390Sstevel@tonic-gate /* 12400Sstevel@tonic-gate * Here's a nice bit of code based on somewhat recursive logic: 12410Sstevel@tonic-gate * 12420Sstevel@tonic-gate * If the page array would fit within the nucleus, we want to 12430Sstevel@tonic-gate * add npages to cover any extra memory we may be returning back 12440Sstevel@tonic-gate * to the system. 12450Sstevel@tonic-gate * 12460Sstevel@tonic-gate * HOWEVER, the page array is sized by calculating the size of 12470Sstevel@tonic-gate * (struct page * npages), as are the pagehash table, ctrs and 12480Sstevel@tonic-gate * memseg_list, so the very act of performing the calculation below may 12490Sstevel@tonic-gate * in fact make the array large enough that it no longer fits in the 12500Sstevel@tonic-gate * nucleus, meaning there would now be a much larger area of the 12510Sstevel@tonic-gate * nucleus free that should really be added to npages, which would 12520Sstevel@tonic-gate * make the page array that much larger, and so on. 12530Sstevel@tonic-gate * 12540Sstevel@tonic-gate * This also ignores the memory possibly used in the nucleus for the 12550Sstevel@tonic-gate * the page hash, ctrs and memseg list and the fact that whether they 12560Sstevel@tonic-gate * fit there or not varies with the npages calculation below, but we 12570Sstevel@tonic-gate * don't even factor them into the equation at this point; perhaps we 12580Sstevel@tonic-gate * should or perhaps we should just take the approach that the few 12590Sstevel@tonic-gate * extra pages we could add via this calculation REALLY aren't worth 12600Sstevel@tonic-gate * the hassle... 12610Sstevel@tonic-gate */ 12620Sstevel@tonic-gate if (ndata_remain_sz > pp_sz) { 12630Sstevel@tonic-gate size_t spare = ndata_spare(&ndata, pp_sz, ecache_alignsize); 12640Sstevel@tonic-gate 12650Sstevel@tonic-gate npages += mmu_btop(spare); 12660Sstevel@tonic-gate 12670Sstevel@tonic-gate pp_sz = npages * sizeof (struct page); 12680Sstevel@tonic-gate 12690Sstevel@tonic-gate pp_base = ndata_alloc(&ndata, pp_sz, ecache_alignsize); 12700Sstevel@tonic-gate } 12710Sstevel@tonic-gate 12720Sstevel@tonic-gate /* 12730Sstevel@tonic-gate * If physmem is patched to be non-zero, use it instead of 12740Sstevel@tonic-gate * the monitor value unless physmem is larger than the total 12750Sstevel@tonic-gate * amount of memory on hand. 12760Sstevel@tonic-gate */ 12770Sstevel@tonic-gate if (physmem == 0 || physmem > npages) 12780Sstevel@tonic-gate physmem = npages; 12790Sstevel@tonic-gate 12800Sstevel@tonic-gate /* 12810Sstevel@tonic-gate * If pp_base is NULL that means the routines above have determined 12820Sstevel@tonic-gate * the page array will not fit in the nucleus; we'll have to 12830Sstevel@tonic-gate * BOP_ALLOC() ourselves some space for them. 12840Sstevel@tonic-gate */ 12850Sstevel@tonic-gate if (pp_base == NULL) { 12860Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 12870Sstevel@tonic-gate alloc_alignsize); 12880Sstevel@tonic-gate alloc_sz = roundup(pp_sz, alloc_alignsize); 12890Sstevel@tonic-gate 12903764Sdp78419 pp_base = (struct page *)alloc_base; 12910Sstevel@tonic-gate 12920Sstevel@tonic-gate alloc_base += alloc_sz; 12930Sstevel@tonic-gate } 12940Sstevel@tonic-gate 12950Sstevel@tonic-gate /* 12960Sstevel@tonic-gate * The page structure hash table size is a power of 2 12970Sstevel@tonic-gate * such that the average hash chain length is PAGE_HASHAVELEN. 12980Sstevel@tonic-gate */ 12990Sstevel@tonic-gate page_hashsz = npages / PAGE_HASHAVELEN; 13000Sstevel@tonic-gate page_hashsz = 1 << highbit((ulong_t)page_hashsz); 13010Sstevel@tonic-gate pagehash_sz = sizeof (struct page *) * page_hashsz; 13020Sstevel@tonic-gate 13030Sstevel@tonic-gate /* 13040Sstevel@tonic-gate * We want to TRY to fit the page structure hash table, 13050Sstevel@tonic-gate * the page size free list counters, the memseg list and 13060Sstevel@tonic-gate * and the kpm page space in the nucleus if possible. 13070Sstevel@tonic-gate * 13080Sstevel@tonic-gate * alloc_sz counts how much memory needs to be allocated by 13090Sstevel@tonic-gate * BOP_ALLOC(). 13100Sstevel@tonic-gate */ 13110Sstevel@tonic-gate page_hash = ndata_alloc(&ndata, pagehash_sz, ecache_alignsize); 13120Sstevel@tonic-gate 13130Sstevel@tonic-gate alloc_sz = (page_hash == NULL ? pagehash_sz : 0); 13140Sstevel@tonic-gate 13150Sstevel@tonic-gate /* 13160Sstevel@tonic-gate * Size up per page size free list counters. 13170Sstevel@tonic-gate */ 13180Sstevel@tonic-gate ctrs_sz = page_ctrs_sz(); 13190Sstevel@tonic-gate ctrs_base = ndata_alloc(&ndata, ctrs_sz, ecache_alignsize); 13200Sstevel@tonic-gate 13210Sstevel@tonic-gate if (ctrs_base == NULL) 13220Sstevel@tonic-gate alloc_sz = roundup(alloc_sz, ecache_alignsize) + ctrs_sz; 13230Sstevel@tonic-gate 13240Sstevel@tonic-gate /* 13250Sstevel@tonic-gate * The memseg list is for the chunks of physical memory that 13260Sstevel@tonic-gate * will be managed by the vm system. The number calculated is 13270Sstevel@tonic-gate * a guess as boot may fragment it more when memory allocations 13280Sstevel@tonic-gate * are made before kphysm_init(). Currently, there are two 13290Sstevel@tonic-gate * allocations before then, so we assume each causes fragmen- 13300Sstevel@tonic-gate * tation, and add a couple more for good measure. 13310Sstevel@tonic-gate */ 13320Sstevel@tonic-gate memseg_sz = sizeof (struct memseg) * (memblocks + 4); 13330Sstevel@tonic-gate memseg_base = ndata_alloc(&ndata, memseg_sz, ecache_alignsize); 13340Sstevel@tonic-gate 13350Sstevel@tonic-gate if (memseg_base == NULL) 13360Sstevel@tonic-gate alloc_sz = roundup(alloc_sz, ecache_alignsize) + memseg_sz; 13370Sstevel@tonic-gate 13380Sstevel@tonic-gate 13390Sstevel@tonic-gate if (kpm_enable) { 13400Sstevel@tonic-gate /* 13410Sstevel@tonic-gate * kpm page space -- Update kpm_npages and make the 13420Sstevel@tonic-gate * same assumption about fragmenting as it is done 13430Sstevel@tonic-gate * for memseg_sz above. 13440Sstevel@tonic-gate */ 13450Sstevel@tonic-gate kpm_npages_setup(memblocks + 4); 13460Sstevel@tonic-gate kpm_pp_sz = (kpm_smallpages == 0) ? 13473764Sdp78419 kpm_npages * sizeof (kpm_page_t): 13483764Sdp78419 kpm_npages * sizeof (kpm_spage_t); 13490Sstevel@tonic-gate 13500Sstevel@tonic-gate kpm_pp_base = (uintptr_t)ndata_alloc(&ndata, kpm_pp_sz, 13510Sstevel@tonic-gate ecache_alignsize); 13520Sstevel@tonic-gate 13530Sstevel@tonic-gate if (kpm_pp_base == NULL) 13540Sstevel@tonic-gate alloc_sz = roundup(alloc_sz, ecache_alignsize) + 13550Sstevel@tonic-gate kpm_pp_sz; 13560Sstevel@tonic-gate } 13570Sstevel@tonic-gate 13580Sstevel@tonic-gate if (alloc_sz > 0) { 13590Sstevel@tonic-gate uintptr_t bop_base; 13600Sstevel@tonic-gate 13610Sstevel@tonic-gate /* 13620Sstevel@tonic-gate * We need extra memory allocated through BOP_ALLOC. 13630Sstevel@tonic-gate */ 13640Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 13650Sstevel@tonic-gate alloc_alignsize); 13660Sstevel@tonic-gate 13670Sstevel@tonic-gate alloc_sz = roundup(alloc_sz, alloc_alignsize); 13680Sstevel@tonic-gate 13693764Sdp78419 bop_base = (uintptr_t)alloc_base; 13700Sstevel@tonic-gate 13710Sstevel@tonic-gate alloc_base += alloc_sz; 13720Sstevel@tonic-gate 13730Sstevel@tonic-gate if (page_hash == NULL) { 13740Sstevel@tonic-gate page_hash = (struct page **)bop_base; 13750Sstevel@tonic-gate bop_base = roundup(bop_base + pagehash_sz, 13760Sstevel@tonic-gate ecache_alignsize); 13770Sstevel@tonic-gate } 13780Sstevel@tonic-gate 13790Sstevel@tonic-gate if (ctrs_base == NULL) { 13800Sstevel@tonic-gate ctrs_base = (caddr_t)bop_base; 13810Sstevel@tonic-gate bop_base = roundup(bop_base + ctrs_sz, 13820Sstevel@tonic-gate ecache_alignsize); 13830Sstevel@tonic-gate } 13840Sstevel@tonic-gate 13850Sstevel@tonic-gate if (memseg_base == NULL) { 13860Sstevel@tonic-gate memseg_base = (struct memseg *)bop_base; 13870Sstevel@tonic-gate bop_base = roundup(bop_base + memseg_sz, 13880Sstevel@tonic-gate ecache_alignsize); 13890Sstevel@tonic-gate } 13900Sstevel@tonic-gate 13910Sstevel@tonic-gate if (kpm_enable && kpm_pp_base == NULL) { 13920Sstevel@tonic-gate kpm_pp_base = (uintptr_t)bop_base; 13930Sstevel@tonic-gate bop_base = roundup(bop_base + kpm_pp_sz, 13940Sstevel@tonic-gate ecache_alignsize); 13950Sstevel@tonic-gate } 13960Sstevel@tonic-gate 13970Sstevel@tonic-gate ASSERT(bop_base <= (uintptr_t)alloc_base); 13980Sstevel@tonic-gate } 13990Sstevel@tonic-gate 14000Sstevel@tonic-gate PRM_DEBUG(page_hash); 14010Sstevel@tonic-gate PRM_DEBUG(memseg_base); 14020Sstevel@tonic-gate PRM_DEBUG(kpm_pp_base); 14030Sstevel@tonic-gate PRM_DEBUG(kpm_pp_sz); 14040Sstevel@tonic-gate PRM_DEBUG(pp_base); 14050Sstevel@tonic-gate PRM_DEBUG(pp_sz); 14060Sstevel@tonic-gate PRM_DEBUG(alloc_base); 14070Sstevel@tonic-gate 14080Sstevel@tonic-gate #ifdef TRAPTRACE 14090Sstevel@tonic-gate alloc_base = trap_trace_alloc(alloc_base); 14100Sstevel@tonic-gate PRM_DEBUG(alloc_base); 14110Sstevel@tonic-gate #endif /* TRAPTRACE */ 14120Sstevel@tonic-gate 14133764Sdp78419 /* 14143764Sdp78419 * In theory it's possible that kmem64 chunk is 0 sized 14153764Sdp78419 * (on very small machines). Check for that. 14163764Sdp78419 */ 14173764Sdp78419 if (alloc_base == kmem64_base) { 14183764Sdp78419 kmem64_base = NULL; 14193764Sdp78419 kmem64_end = NULL; 14203764Sdp78419 kmem64_aligned_end = NULL; 14213764Sdp78419 goto kmem64_alloced; 14220Sstevel@tonic-gate } 14230Sstevel@tonic-gate 14240Sstevel@tonic-gate /* 14253764Sdp78419 * Allocate kmem64 memory. 14263764Sdp78419 * Round up to end of large page and overmap. 14273764Sdp78419 * kmem64_end..kmem64_aligned_end is added to memory list for reuse 14283764Sdp78419 */ 14293764Sdp78419 kmem64_end = (caddr_t)roundup((uintptr_t)alloc_base, 14303764Sdp78419 MMU_PAGESIZE); 14313764Sdp78419 14323764Sdp78419 /* 14333764Sdp78419 * Make one large memory alloc after figuring out the 64-bit size. This 14343764Sdp78419 * will enable use of the largest page size appropriate for the system 14353764Sdp78419 * architecture. 14363764Sdp78419 */ 14373764Sdp78419 ASSERT(mmu_exported_pagesize_mask & (1 << TTE8K)); 14383764Sdp78419 ASSERT(IS_P2ALIGNED(kmem64_base, TTEBYTES(max_bootlp_tteszc))); 14393764Sdp78419 for (i = max_bootlp_tteszc; i >= TTE8K; i--) { 14403764Sdp78419 size_t asize; 14413764Sdp78419 #if !defined(C_OBP) 14423764Sdp78419 unsigned long long pa; 14433764Sdp78419 #endif /* !C_OBP */ 14443764Sdp78419 14453764Sdp78419 if ((mmu_exported_pagesize_mask & (1 << i)) == 0) 14463764Sdp78419 continue; 14473764Sdp78419 kmem64_alignsize = TTEBYTES(i); 14483764Sdp78419 kmem64_szc = i; 14493764Sdp78419 14503764Sdp78419 /* limit page size for small memory */ 14513764Sdp78419 if (mmu_btop(kmem64_alignsize) > (npages >> 2)) 14523764Sdp78419 continue; 14533764Sdp78419 14543764Sdp78419 kmem64_aligned_end = (caddr_t)roundup((uintptr_t)kmem64_end, 14553764Sdp78419 kmem64_alignsize); 14563764Sdp78419 asize = kmem64_aligned_end - kmem64_base; 14573764Sdp78419 #if !defined(C_OBP) 14583764Sdp78419 if (prom_allocate_phys(asize, kmem64_alignsize, &pa) == 0) { 14593764Sdp78419 if (prom_claim_virt(asize, kmem64_base) != 14603764Sdp78419 (caddr_t)-1) { 14613764Sdp78419 kmem64_pabase = pa; 14623764Sdp78419 install_kmem64_tte(); 14633764Sdp78419 break; 14643764Sdp78419 } else { 14653764Sdp78419 prom_free_phys(asize, pa); 14663764Sdp78419 } 14673764Sdp78419 } 14683764Sdp78419 #else /* !C_OBP */ 14693764Sdp78419 if ((caddr_t)BOP_ALLOC(bootops, kmem64_base, asize, 14703764Sdp78419 kmem64_alignsize) == kmem64_base) { 14713764Sdp78419 kmem64_pabase = va_to_pa(kmem64_base); 14723764Sdp78419 break; 14733764Sdp78419 } 14743764Sdp78419 #endif /* !C_OBP */ 14753764Sdp78419 if (i == TTE8K) { 14763764Sdp78419 prom_panic("kmem64 allocation failure"); 14773764Sdp78419 } 14783764Sdp78419 } 14793764Sdp78419 14803764Sdp78419 PRM_DEBUG(kmem64_base); 14813764Sdp78419 PRM_DEBUG(kmem64_end); 14823764Sdp78419 PRM_DEBUG(kmem64_aligned_end); 14833764Sdp78419 PRM_DEBUG(kmem64_alignsize); 14843764Sdp78419 14853764Sdp78419 /* 14863764Sdp78419 * Now set pa using saved va from above. 14873764Sdp78419 */ 14883764Sdp78419 if (&ecache_init_scrub_flush_area) { 14893764Sdp78419 (void) ecache_init_scrub_flush_area(NULL); 14903764Sdp78419 } 14913764Sdp78419 14923764Sdp78419 kmem64_alloced: 14933764Sdp78419 14943764Sdp78419 /* 14953764Sdp78419 * Initialize per page size free list counters. 14963764Sdp78419 */ 14973764Sdp78419 ctrs_end = page_ctrs_alloc(ctrs_base); 14983764Sdp78419 ASSERT(ctrs_base + ctrs_sz >= ctrs_end); 14993764Sdp78419 15003764Sdp78419 /* 15012973Sgovinda * Allocate space for the interrupt vector table and also for the 15022973Sgovinda * reserved interrupt vector data structures. 15030Sstevel@tonic-gate */ 15042973Sgovinda memspace = (caddr_t)BOP_ALLOC(bootops, (caddr_t)intr_vec_table, 15050Sstevel@tonic-gate IVSIZE, MMU_PAGESIZE); 15062973Sgovinda if (memspace != (caddr_t)intr_vec_table) 15073764Sdp78419 prom_panic("interrupt vector table allocation failure"); 15080Sstevel@tonic-gate 15090Sstevel@tonic-gate /* 15100Sstevel@tonic-gate * The memory lists from boot are allocated from the heap arena 15110Sstevel@tonic-gate * so that later they can be freed and/or reallocated. 15120Sstevel@tonic-gate */ 15130Sstevel@tonic-gate if (BOP_GETPROP(bootops, "extent", &memlist_sz) == -1) 15143764Sdp78419 prom_panic("could not retrieve property \"extent\""); 15150Sstevel@tonic-gate 15160Sstevel@tonic-gate /* 15170Sstevel@tonic-gate * Between now and when we finish copying in the memory lists, 15180Sstevel@tonic-gate * allocations happen so the space gets fragmented and the 15190Sstevel@tonic-gate * lists longer. Leave enough space for lists twice as long 15200Sstevel@tonic-gate * as what boot says it has now; roundup to a pagesize. 15210Sstevel@tonic-gate * Also add space for the final phys-avail copy in the fixup 15220Sstevel@tonic-gate * routine. 15230Sstevel@tonic-gate */ 15240Sstevel@tonic-gate va = (caddr_t)(sysbase + PAGESIZE + PANICBUFSIZE + 15250Sstevel@tonic-gate roundup(IVSIZE, MMU_PAGESIZE)); 15260Sstevel@tonic-gate memlist_sz *= 4; 15270Sstevel@tonic-gate memlist_sz = roundup(memlist_sz, MMU_PAGESIZE); 15280Sstevel@tonic-gate memspace = (caddr_t)BOP_ALLOC(bootops, va, memlist_sz, BO_NO_ALIGN); 15290Sstevel@tonic-gate if (memspace == NULL) 15300Sstevel@tonic-gate halt("Boot allocation failed."); 15310Sstevel@tonic-gate 15320Sstevel@tonic-gate memlist = (struct memlist *)memspace; 15330Sstevel@tonic-gate memlist_end = (char *)memspace + memlist_sz; 15340Sstevel@tonic-gate 15350Sstevel@tonic-gate PRM_DEBUG(memlist); 15360Sstevel@tonic-gate PRM_DEBUG(memlist_end); 15370Sstevel@tonic-gate PRM_DEBUG(sysbase); 15380Sstevel@tonic-gate PRM_DEBUG(syslimit); 15390Sstevel@tonic-gate 15400Sstevel@tonic-gate kernelheap_init((void *)sysbase, (void *)syslimit, 15410Sstevel@tonic-gate (caddr_t)sysbase + PAGESIZE, NULL, NULL); 15420Sstevel@tonic-gate 15430Sstevel@tonic-gate /* 15440Sstevel@tonic-gate * Take the most current snapshot we can by calling mem-update. 15450Sstevel@tonic-gate */ 15460Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 15470Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 15480Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 15490Sstevel@tonic-gate 15500Sstevel@tonic-gate /* 15510Sstevel@tonic-gate * Remove the space used by BOP_ALLOC from the kernel heap 15520Sstevel@tonic-gate * plus the area actually used by the OBP (if any) 15530Sstevel@tonic-gate * ignoring virtual addresses in virt_avail, above syslimit. 15540Sstevel@tonic-gate */ 15550Sstevel@tonic-gate virt_avail = memlist; 15560Sstevel@tonic-gate copy_memlist(boot_virtavail, boot_virtavail_len, &memlist); 15570Sstevel@tonic-gate 15580Sstevel@tonic-gate for (cur = virt_avail; cur->next; cur = cur->next) { 15590Sstevel@tonic-gate uint64_t range_base, range_size; 15600Sstevel@tonic-gate 15610Sstevel@tonic-gate if ((range_base = cur->address + cur->size) < (uint64_t)sysbase) 15620Sstevel@tonic-gate continue; 15630Sstevel@tonic-gate if (range_base >= (uint64_t)syslimit) 15640Sstevel@tonic-gate break; 15650Sstevel@tonic-gate /* 15660Sstevel@tonic-gate * Limit the range to end at syslimit. 15670Sstevel@tonic-gate */ 15680Sstevel@tonic-gate range_size = MIN(cur->next->address, 15690Sstevel@tonic-gate (uint64_t)syslimit) - range_base; 15700Sstevel@tonic-gate (void) vmem_xalloc(heap_arena, (size_t)range_size, PAGESIZE, 15710Sstevel@tonic-gate 0, 0, (void *)range_base, (void *)(range_base + range_size), 15720Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 15730Sstevel@tonic-gate } 15740Sstevel@tonic-gate 15750Sstevel@tonic-gate phys_avail = memlist; 15760Sstevel@tonic-gate (void) copy_physavail(boot_physavail, boot_physavail_len, 15770Sstevel@tonic-gate &memlist, 0, 0); 15780Sstevel@tonic-gate 15790Sstevel@tonic-gate /* 15803764Sdp78419 * Add any unused kmem64 memory from overmapped page 15813764Sdp78419 * (Note: va_to_pa does not work for kmem64_end) 15823764Sdp78419 */ 15833764Sdp78419 if (kmem64_end < kmem64_aligned_end) { 15843764Sdp78419 uint64_t overlap_size = kmem64_aligned_end - kmem64_end; 15853764Sdp78419 uint64_t overlap_pa = kmem64_pabase + 15863764Sdp78419 (kmem64_end - kmem64_base); 15873764Sdp78419 15883764Sdp78419 PRM_DEBUG(overlap_pa); 15893764Sdp78419 PRM_DEBUG(overlap_size); 15903764Sdp78419 memlist_add(overlap_pa, overlap_size, &memlist, &phys_avail); 15913764Sdp78419 } 15923764Sdp78419 15933764Sdp78419 /* 15940Sstevel@tonic-gate * Add any extra memory after e_text to the phys_avail list, as long 15950Sstevel@tonic-gate * as there's at least a page to add. 15960Sstevel@tonic-gate */ 15970Sstevel@tonic-gate if (extra_etpg) 15980Sstevel@tonic-gate memlist_add(va_to_pa(extra_etva), mmu_ptob(extra_etpg), 15990Sstevel@tonic-gate &memlist, &phys_avail); 16000Sstevel@tonic-gate 16010Sstevel@tonic-gate /* 16024104Sblakej * Add any extra memory at the end of the ndata region if there's at 16034104Sblakej * least a page to add. There might be a few more pages available in 16044104Sblakej * the middle of the ndata region, but for now they are ignored. 16050Sstevel@tonic-gate */ 16064104Sblakej nalloc_base = ndata_extra_base(&ndata, MMU_PAGESIZE, nalloc_end); 16074104Sblakej if (nalloc_base == NULL) 16080Sstevel@tonic-gate nalloc_base = nalloc_end; 16090Sstevel@tonic-gate ndata_remain_sz = nalloc_end - nalloc_base; 16100Sstevel@tonic-gate 16110Sstevel@tonic-gate if (ndata_remain_sz >= MMU_PAGESIZE) 16120Sstevel@tonic-gate memlist_add(va_to_pa(nalloc_base), 16130Sstevel@tonic-gate (uint64_t)ndata_remain_sz, &memlist, &phys_avail); 16140Sstevel@tonic-gate 16150Sstevel@tonic-gate PRM_DEBUG(memlist); 16160Sstevel@tonic-gate PRM_DEBUG(memlist_sz); 16170Sstevel@tonic-gate PRM_DEBUG(memspace); 16180Sstevel@tonic-gate 16190Sstevel@tonic-gate if ((caddr_t)memlist > (memspace + memlist_sz)) 16203764Sdp78419 prom_panic("memlist overflow"); 16210Sstevel@tonic-gate 16220Sstevel@tonic-gate PRM_DEBUG(pp_base); 16230Sstevel@tonic-gate PRM_DEBUG(memseg_base); 16240Sstevel@tonic-gate PRM_DEBUG(npages); 16250Sstevel@tonic-gate 16260Sstevel@tonic-gate /* 16270Sstevel@tonic-gate * Initialize the page structures from the memory lists. 16280Sstevel@tonic-gate */ 16290Sstevel@tonic-gate kphysm_init(pp_base, memseg_base, npages, kpm_pp_base, kpm_npages); 16300Sstevel@tonic-gate 16310Sstevel@tonic-gate availrmem_initial = availrmem = freemem; 16320Sstevel@tonic-gate PRM_DEBUG(availrmem); 16330Sstevel@tonic-gate 16340Sstevel@tonic-gate /* 16350Sstevel@tonic-gate * Some of the locks depend on page_hashsz being set! 16360Sstevel@tonic-gate * kmem_init() depends on this; so, keep it here. 16370Sstevel@tonic-gate */ 16380Sstevel@tonic-gate page_lock_init(); 16390Sstevel@tonic-gate 16400Sstevel@tonic-gate /* 16410Sstevel@tonic-gate * Initialize kernel memory allocator. 16420Sstevel@tonic-gate */ 16430Sstevel@tonic-gate kmem_init(); 16440Sstevel@tonic-gate 16450Sstevel@tonic-gate /* 16463717Sdp78419 * Factor in colorequiv to check additional 'equivalent' bins 16473717Sdp78419 */ 16483733Sdp78419 if (&page_set_colorequiv_arr_cpu != NULL) 16493733Sdp78419 page_set_colorequiv_arr_cpu(); 16503733Sdp78419 else 16513733Sdp78419 page_set_colorequiv_arr(); 16523717Sdp78419 16533717Sdp78419 /* 16540Sstevel@tonic-gate * Initialize bp_mapin(). 16550Sstevel@tonic-gate */ 16560Sstevel@tonic-gate bp_init(shm_alignment, HAT_STRICTORDER); 16570Sstevel@tonic-gate 16580Sstevel@tonic-gate /* 16592973Sgovinda * Reserve space for panicbuf, intr_vec_table and reserved interrupt 16602973Sgovinda * vector data structures from the 32-bit heap. 16610Sstevel@tonic-gate */ 16620Sstevel@tonic-gate (void) vmem_xalloc(heap32_arena, PANICBUFSIZE, PAGESIZE, 0, 0, 16630Sstevel@tonic-gate panicbuf, panicbuf + PANICBUFSIZE, 16640Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 16650Sstevel@tonic-gate 16660Sstevel@tonic-gate (void) vmem_xalloc(heap32_arena, IVSIZE, PAGESIZE, 0, 0, 16672973Sgovinda intr_vec_table, (caddr_t)intr_vec_table + IVSIZE, 16680Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 16690Sstevel@tonic-gate 16700Sstevel@tonic-gate mem_config_init(); 16710Sstevel@tonic-gate } 16720Sstevel@tonic-gate 16730Sstevel@tonic-gate static void 16740Sstevel@tonic-gate startup_modules(void) 16750Sstevel@tonic-gate { 16760Sstevel@tonic-gate int proplen, nhblk1, nhblk8; 16770Sstevel@tonic-gate size_t nhblksz; 16783764Sdp78419 pgcnt_t pages_per_hblk; 16790Sstevel@tonic-gate size_t hme8blk_sz, hme1blk_sz; 16800Sstevel@tonic-gate 16810Sstevel@tonic-gate /* 16820Sstevel@tonic-gate * Log any optional messages from the boot program 16830Sstevel@tonic-gate */ 16840Sstevel@tonic-gate proplen = (size_t)BOP_GETPROPLEN(bootops, "boot-message"); 16850Sstevel@tonic-gate if (proplen > 0) { 16860Sstevel@tonic-gate char *msg; 16870Sstevel@tonic-gate size_t len = (size_t)proplen; 16880Sstevel@tonic-gate 16890Sstevel@tonic-gate msg = kmem_zalloc(len, KM_SLEEP); 16900Sstevel@tonic-gate (void) BOP_GETPROP(bootops, "boot-message", msg); 16910Sstevel@tonic-gate cmn_err(CE_CONT, "?%s\n", msg); 16920Sstevel@tonic-gate kmem_free(msg, len); 16930Sstevel@tonic-gate } 16940Sstevel@tonic-gate 16950Sstevel@tonic-gate /* 16960Sstevel@tonic-gate * Let the platforms have a chance to change default 16970Sstevel@tonic-gate * values before reading system file. 16980Sstevel@tonic-gate */ 16990Sstevel@tonic-gate if (&set_platform_defaults) 17000Sstevel@tonic-gate set_platform_defaults(); 17010Sstevel@tonic-gate 17020Sstevel@tonic-gate /* 17030Sstevel@tonic-gate * Calculate default settings of system parameters based upon 17040Sstevel@tonic-gate * maxusers, yet allow to be overridden via the /etc/system file. 17050Sstevel@tonic-gate */ 17060Sstevel@tonic-gate param_calc(0); 17070Sstevel@tonic-gate 17080Sstevel@tonic-gate mod_setup(); 17090Sstevel@tonic-gate 17100Sstevel@tonic-gate /* 17110Sstevel@tonic-gate * If this is a positron, complain and halt. 17120Sstevel@tonic-gate */ 17130Sstevel@tonic-gate if (&iam_positron && iam_positron()) { 17140Sstevel@tonic-gate cmn_err(CE_WARN, "This hardware platform is not supported" 17150Sstevel@tonic-gate " by this release of Solaris.\n"); 17160Sstevel@tonic-gate #ifdef DEBUG 17170Sstevel@tonic-gate prom_enter_mon(); /* Type 'go' to resume */ 17180Sstevel@tonic-gate cmn_err(CE_WARN, "Booting an unsupported platform.\n"); 17190Sstevel@tonic-gate cmn_err(CE_WARN, "Booting with down-rev firmware.\n"); 17200Sstevel@tonic-gate 17210Sstevel@tonic-gate #else /* DEBUG */ 17220Sstevel@tonic-gate halt(0); 17230Sstevel@tonic-gate #endif /* DEBUG */ 17240Sstevel@tonic-gate } 17250Sstevel@tonic-gate 17260Sstevel@tonic-gate /* 17270Sstevel@tonic-gate * If we are running firmware that isn't 64-bit ready 17280Sstevel@tonic-gate * then complain and halt. 17290Sstevel@tonic-gate */ 17300Sstevel@tonic-gate do_prom_version_check(); 17310Sstevel@tonic-gate 17320Sstevel@tonic-gate /* 17330Sstevel@tonic-gate * Initialize system parameters 17340Sstevel@tonic-gate */ 17350Sstevel@tonic-gate param_init(); 17360Sstevel@tonic-gate 17370Sstevel@tonic-gate /* 17380Sstevel@tonic-gate * maxmem is the amount of physical memory we're playing with. 17390Sstevel@tonic-gate */ 17400Sstevel@tonic-gate maxmem = physmem; 17410Sstevel@tonic-gate 17420Sstevel@tonic-gate /* Set segkp limits. */ 17433446Smrj ncbase = kdi_segdebugbase; 17443446Smrj ncend = kdi_segdebugbase; 17450Sstevel@tonic-gate 17460Sstevel@tonic-gate /* 17470Sstevel@tonic-gate * Initialize the hat layer. 17480Sstevel@tonic-gate */ 17490Sstevel@tonic-gate hat_init(); 17500Sstevel@tonic-gate 17510Sstevel@tonic-gate /* 17520Sstevel@tonic-gate * Initialize segment management stuff. 17530Sstevel@tonic-gate */ 17540Sstevel@tonic-gate seg_init(); 17550Sstevel@tonic-gate 17560Sstevel@tonic-gate /* 17570Sstevel@tonic-gate * Create the va>tte handler, so the prom can understand 17580Sstevel@tonic-gate * kernel translations. The handler is installed later, just 17590Sstevel@tonic-gate * as we are about to take over the trap table from the prom. 17600Sstevel@tonic-gate */ 17610Sstevel@tonic-gate create_va_to_tte(); 17620Sstevel@tonic-gate 17630Sstevel@tonic-gate /* 17640Sstevel@tonic-gate * Load the forthdebugger (optional) 17650Sstevel@tonic-gate */ 17660Sstevel@tonic-gate forthdebug_init(); 17670Sstevel@tonic-gate 17680Sstevel@tonic-gate /* 17690Sstevel@tonic-gate * Create OBP node for console input callbacks 17700Sstevel@tonic-gate * if it is needed. 17710Sstevel@tonic-gate */ 17721253Slq150181 startup_create_io_node(); 17730Sstevel@tonic-gate 17740Sstevel@tonic-gate if (modloadonly("fs", "specfs") == -1) 17750Sstevel@tonic-gate halt("Can't load specfs"); 17760Sstevel@tonic-gate 17770Sstevel@tonic-gate if (modloadonly("fs", "devfs") == -1) 17780Sstevel@tonic-gate halt("Can't load devfs"); 17790Sstevel@tonic-gate 17800Sstevel@tonic-gate if (modloadonly("misc", "swapgeneric") == -1) 17810Sstevel@tonic-gate halt("Can't load swapgeneric"); 17820Sstevel@tonic-gate 17831676Sjpk (void) modloadonly("sys", "lbl_edition"); 17841676Sjpk 17850Sstevel@tonic-gate dispinit(); 17860Sstevel@tonic-gate 17870Sstevel@tonic-gate /* 17880Sstevel@tonic-gate * Infer meanings to the members of the idprom buffer. 17890Sstevel@tonic-gate */ 17900Sstevel@tonic-gate parse_idprom(); 17910Sstevel@tonic-gate 17920Sstevel@tonic-gate /* Read cluster configuration data. */ 17930Sstevel@tonic-gate clconf_init(); 17940Sstevel@tonic-gate 17950Sstevel@tonic-gate setup_ddi(); 17960Sstevel@tonic-gate 17970Sstevel@tonic-gate /* 17980Sstevel@tonic-gate * Lets take this opportunity to load the root device. 17990Sstevel@tonic-gate */ 18000Sstevel@tonic-gate if (loadrootmodules() != 0) 18010Sstevel@tonic-gate debug_enter("Can't load the root filesystem"); 18020Sstevel@tonic-gate 18030Sstevel@tonic-gate /* 18040Sstevel@tonic-gate * Load tod driver module for the tod part found on this system. 18050Sstevel@tonic-gate * Recompute the cpu frequency/delays based on tod as tod part 18060Sstevel@tonic-gate * tends to keep time more accurately. 18070Sstevel@tonic-gate */ 18080Sstevel@tonic-gate if (&load_tod_module) 18090Sstevel@tonic-gate load_tod_module(); 18100Sstevel@tonic-gate 18110Sstevel@tonic-gate /* 18120Sstevel@tonic-gate * Allow platforms to load modules which might 18130Sstevel@tonic-gate * be needed after bootops are gone. 18140Sstevel@tonic-gate */ 18150Sstevel@tonic-gate if (&load_platform_modules) 18160Sstevel@tonic-gate load_platform_modules(); 18170Sstevel@tonic-gate 18180Sstevel@tonic-gate setcpudelay(); 18190Sstevel@tonic-gate 18200Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 18210Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 18220Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 18230Sstevel@tonic-gate 18240Sstevel@tonic-gate /* 18250Sstevel@tonic-gate * Calculation and allocation of hmeblks needed to remap 18263764Sdp78419 * the memory allocated by PROM till now. 18273764Sdp78419 * Overestimate the number of hblk1 elements by assuming 18283764Sdp78419 * worst case of TTE64K mappings. 18293764Sdp78419 * sfmmu_hblk_alloc will panic if this calculation is wrong. 18300Sstevel@tonic-gate */ 18313764Sdp78419 bop_alloc_pages = btopr(kmem64_end - kmem64_base); 18323764Sdp78419 pages_per_hblk = btop(HMEBLK_SPAN(TTE64K)); 18333764Sdp78419 bop_alloc_pages = roundup(bop_alloc_pages, pages_per_hblk); 18343764Sdp78419 nhblk1 = bop_alloc_pages / pages_per_hblk + hblk1_min; 18353764Sdp78419 18363764Sdp78419 bop_alloc_pages = size_virtalloc(boot_virtavail, boot_virtavail_len); 18373764Sdp78419 18383764Sdp78419 /* sfmmu_init_nucleus_hblks expects properly aligned data structures */ 18390Sstevel@tonic-gate hme8blk_sz = roundup(HME8BLK_SZ, sizeof (int64_t)); 18400Sstevel@tonic-gate hme1blk_sz = roundup(HME1BLK_SZ, sizeof (int64_t)); 18410Sstevel@tonic-gate 18423764Sdp78419 bop_alloc_pages += btopr(nhblk1 * hme1blk_sz); 18433764Sdp78419 18440Sstevel@tonic-gate pages_per_hblk = btop(HMEBLK_SPAN(TTE8K)); 18453764Sdp78419 nhblk8 = 0; 18463764Sdp78419 while (bop_alloc_pages > 1) { 18473764Sdp78419 bop_alloc_pages = roundup(bop_alloc_pages, pages_per_hblk); 18483764Sdp78419 nhblk8 += bop_alloc_pages /= pages_per_hblk; 18493764Sdp78419 bop_alloc_pages *= hme8blk_sz; 18503764Sdp78419 bop_alloc_pages = btopr(bop_alloc_pages); 18513764Sdp78419 } 18523764Sdp78419 nhblk8 += 2; 18530Sstevel@tonic-gate 18540Sstevel@tonic-gate /* 18550Sstevel@tonic-gate * Since hblk8's can hold up to 64k of mappings aligned on a 64k 18560Sstevel@tonic-gate * boundary, the number of hblk8's needed to map the entries in the 18570Sstevel@tonic-gate * boot_virtavail list needs to be adjusted to take this into 18580Sstevel@tonic-gate * consideration. Thus, we need to add additional hblk8's since it 18590Sstevel@tonic-gate * is possible that an hblk8 will not have all 8 slots used due to 18600Sstevel@tonic-gate * alignment constraints. Since there were boot_virtavail_len entries 18610Sstevel@tonic-gate * in that list, we need to add that many hblk8's to the number 18620Sstevel@tonic-gate * already calculated to make sure we don't underestimate. 18630Sstevel@tonic-gate */ 18640Sstevel@tonic-gate nhblk8 += boot_virtavail_len; 18650Sstevel@tonic-gate nhblksz = nhblk8 * hme8blk_sz + nhblk1 * hme1blk_sz; 18660Sstevel@tonic-gate 18670Sstevel@tonic-gate /* Allocate in pagesize chunks */ 18680Sstevel@tonic-gate nhblksz = roundup(nhblksz, MMU_PAGESIZE); 18690Sstevel@tonic-gate hblk_base = kmem_zalloc(nhblksz, KM_SLEEP); 18700Sstevel@tonic-gate sfmmu_init_nucleus_hblks(hblk_base, nhblksz, nhblk8, nhblk1); 18710Sstevel@tonic-gate } 18720Sstevel@tonic-gate 18730Sstevel@tonic-gate static void 18740Sstevel@tonic-gate startup_bop_gone(void) 18750Sstevel@tonic-gate { 18760Sstevel@tonic-gate extern int bop_io_quiesced; 18770Sstevel@tonic-gate 18780Sstevel@tonic-gate /* 18791991Sheppo * Destroy the MD initialized at startup 18801991Sheppo * The startup initializes the MD framework 18811991Sheppo * using prom and BOP alloc free it now. 18821991Sheppo */ 18831991Sheppo mach_descrip_startup_fini(); 18841991Sheppo 18851991Sheppo /* 18860Sstevel@tonic-gate * Call back into boot and release boots resources. 18870Sstevel@tonic-gate */ 18880Sstevel@tonic-gate BOP_QUIESCE_IO(bootops); 18890Sstevel@tonic-gate bop_io_quiesced = 1; 18900Sstevel@tonic-gate 18910Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 18920Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 18930Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 18940Sstevel@tonic-gate /* 18950Sstevel@tonic-gate * Copy physinstalled list into kernel space. 18960Sstevel@tonic-gate */ 18970Sstevel@tonic-gate phys_install = memlist; 18980Sstevel@tonic-gate copy_memlist(boot_physinstalled, boot_physinstalled_len, &memlist); 18990Sstevel@tonic-gate 19000Sstevel@tonic-gate /* 19010Sstevel@tonic-gate * setup physically contiguous area twice as large as the ecache. 19020Sstevel@tonic-gate * this is used while doing displacement flush of ecaches 19030Sstevel@tonic-gate */ 19040Sstevel@tonic-gate if (&ecache_flush_address) { 19050Sstevel@tonic-gate ecache_flushaddr = ecache_flush_address(); 19060Sstevel@tonic-gate if (ecache_flushaddr == (uint64_t)-1) { 19070Sstevel@tonic-gate cmn_err(CE_PANIC, 19080Sstevel@tonic-gate "startup: no memory to set ecache_flushaddr"); 19090Sstevel@tonic-gate } 19100Sstevel@tonic-gate } 19110Sstevel@tonic-gate 19120Sstevel@tonic-gate /* 19130Sstevel@tonic-gate * Virtual available next. 19140Sstevel@tonic-gate */ 19150Sstevel@tonic-gate ASSERT(virt_avail != NULL); 19160Sstevel@tonic-gate memlist_free_list(virt_avail); 19170Sstevel@tonic-gate virt_avail = memlist; 19180Sstevel@tonic-gate copy_memlist(boot_virtavail, boot_virtavail_len, &memlist); 19190Sstevel@tonic-gate 19200Sstevel@tonic-gate /* 19210Sstevel@tonic-gate * Last chance to ask our booter questions .. 19220Sstevel@tonic-gate */ 19230Sstevel@tonic-gate } 19240Sstevel@tonic-gate 19250Sstevel@tonic-gate 19260Sstevel@tonic-gate /* 19270Sstevel@tonic-gate * startup_fixup_physavail - called from mach_sfmmu.c after the final 19280Sstevel@tonic-gate * allocations have been performed. We can't call it in startup_bop_gone 19290Sstevel@tonic-gate * since later operations can cause obp to allocate more memory. 19300Sstevel@tonic-gate */ 19310Sstevel@tonic-gate void 19320Sstevel@tonic-gate startup_fixup_physavail(void) 19330Sstevel@tonic-gate { 19340Sstevel@tonic-gate struct memlist *cur; 19353764Sdp78419 size_t kmem64_overmap_size = kmem64_aligned_end - kmem64_end; 19363764Sdp78419 19373764Sdp78419 PRM_DEBUG(kmem64_overmap_size); 19380Sstevel@tonic-gate 19390Sstevel@tonic-gate /* 19400Sstevel@tonic-gate * take the most current snapshot we can by calling mem-update 19410Sstevel@tonic-gate */ 19420Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 19430Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 19440Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 19450Sstevel@tonic-gate 19460Sstevel@tonic-gate /* 19470Sstevel@tonic-gate * Copy phys_avail list, again. 19480Sstevel@tonic-gate * Both the kernel/boot and the prom have been allocating 19490Sstevel@tonic-gate * from the original list we copied earlier. 19500Sstevel@tonic-gate */ 19510Sstevel@tonic-gate cur = memlist; 19520Sstevel@tonic-gate (void) copy_physavail(boot_physavail, boot_physavail_len, 19530Sstevel@tonic-gate &memlist, 0, 0); 19540Sstevel@tonic-gate 19550Sstevel@tonic-gate /* 19563764Sdp78419 * Add any unused kmem64 memory from overmapped page 19573764Sdp78419 * (Note: va_to_pa does not work for kmem64_end) 19583764Sdp78419 */ 19593764Sdp78419 if (kmem64_overmap_size) { 19603764Sdp78419 memlist_add(kmem64_pabase + (kmem64_end - kmem64_base), 19613764Sdp78419 kmem64_overmap_size, 19623764Sdp78419 &memlist, &cur); 19633764Sdp78419 } 19643764Sdp78419 19653764Sdp78419 /* 19660Sstevel@tonic-gate * Add any extra memory after e_text we added to the phys_avail list 19670Sstevel@tonic-gate * back to the old list. 19680Sstevel@tonic-gate */ 19690Sstevel@tonic-gate if (extra_etpg) 19700Sstevel@tonic-gate memlist_add(va_to_pa(extra_etva), mmu_ptob(extra_etpg), 19710Sstevel@tonic-gate &memlist, &cur); 19720Sstevel@tonic-gate if (ndata_remain_sz >= MMU_PAGESIZE) 19730Sstevel@tonic-gate memlist_add(va_to_pa(nalloc_base), 19740Sstevel@tonic-gate (uint64_t)ndata_remain_sz, &memlist, &cur); 19750Sstevel@tonic-gate 19760Sstevel@tonic-gate /* 19770Sstevel@tonic-gate * There isn't any bounds checking on the memlist area 19780Sstevel@tonic-gate * so ensure it hasn't overgrown. 19790Sstevel@tonic-gate */ 19800Sstevel@tonic-gate if ((caddr_t)memlist > (caddr_t)memlist_end) 19810Sstevel@tonic-gate cmn_err(CE_PANIC, "startup: memlist size exceeded"); 19820Sstevel@tonic-gate 19830Sstevel@tonic-gate /* 19840Sstevel@tonic-gate * The kernel removes the pages that were allocated for it from 19850Sstevel@tonic-gate * the freelist, but we now have to find any -extra- pages that 19860Sstevel@tonic-gate * the prom has allocated for it's own book-keeping, and remove 19870Sstevel@tonic-gate * them from the freelist too. sigh. 19880Sstevel@tonic-gate */ 19890Sstevel@tonic-gate fix_prom_pages(phys_avail, cur); 19900Sstevel@tonic-gate 19910Sstevel@tonic-gate ASSERT(phys_avail != NULL); 19920Sstevel@tonic-gate memlist_free_list(phys_avail); 19930Sstevel@tonic-gate phys_avail = cur; 19940Sstevel@tonic-gate 19950Sstevel@tonic-gate /* 19960Sstevel@tonic-gate * We're done with boot. Just after this point in time, boot 19970Sstevel@tonic-gate * gets unmapped, so we can no longer rely on its services. 19980Sstevel@tonic-gate * Zero the bootops to indicate this fact. 19990Sstevel@tonic-gate */ 20000Sstevel@tonic-gate bootops = (struct bootops *)NULL; 20010Sstevel@tonic-gate BOOTOPS_GONE(); 20020Sstevel@tonic-gate } 20030Sstevel@tonic-gate 20040Sstevel@tonic-gate static void 20050Sstevel@tonic-gate startup_vm(void) 20060Sstevel@tonic-gate { 20070Sstevel@tonic-gate size_t i; 20080Sstevel@tonic-gate struct segmap_crargs a; 20090Sstevel@tonic-gate struct segkpm_crargs b; 20100Sstevel@tonic-gate 20110Sstevel@tonic-gate uint64_t avmem; 20120Sstevel@tonic-gate caddr_t va; 20130Sstevel@tonic-gate pgcnt_t max_phys_segkp; 20140Sstevel@tonic-gate int mnode; 20150Sstevel@tonic-gate 20162991Ssusans extern int use_brk_lpg, use_stk_lpg; 2017423Sdavemq 20180Sstevel@tonic-gate /* 20190Sstevel@tonic-gate * get prom's mappings, create hments for them and switch 20200Sstevel@tonic-gate * to the kernel context. 20210Sstevel@tonic-gate */ 20220Sstevel@tonic-gate hat_kern_setup(); 20230Sstevel@tonic-gate 20240Sstevel@tonic-gate /* 20250Sstevel@tonic-gate * Take over trap table 20260Sstevel@tonic-gate */ 20270Sstevel@tonic-gate setup_trap_table(); 20280Sstevel@tonic-gate 20290Sstevel@tonic-gate /* 20300Sstevel@tonic-gate * Install the va>tte handler, so that the prom can handle 20310Sstevel@tonic-gate * misses and understand the kernel table layout in case 20320Sstevel@tonic-gate * we need call into the prom. 20330Sstevel@tonic-gate */ 20340Sstevel@tonic-gate install_va_to_tte(); 20350Sstevel@tonic-gate 20360Sstevel@tonic-gate /* 20370Sstevel@tonic-gate * Set a flag to indicate that the tba has been taken over. 20380Sstevel@tonic-gate */ 20390Sstevel@tonic-gate tba_taken_over = 1; 20400Sstevel@tonic-gate 20410Sstevel@tonic-gate /* initialize MMU primary context register */ 20420Sstevel@tonic-gate mmu_init_kcontext(); 20430Sstevel@tonic-gate 20440Sstevel@tonic-gate /* 20450Sstevel@tonic-gate * The boot cpu can now take interrupts, x-calls, x-traps 20460Sstevel@tonic-gate */ 20470Sstevel@tonic-gate CPUSET_ADD(cpu_ready_set, CPU->cpu_id); 20480Sstevel@tonic-gate CPU->cpu_flags |= (CPU_READY | CPU_ENABLE | CPU_EXISTS); 20490Sstevel@tonic-gate 20500Sstevel@tonic-gate /* 20510Sstevel@tonic-gate * Set a flag to tell write_scb_int() that it can access V_TBR_WR_ADDR. 20520Sstevel@tonic-gate */ 20530Sstevel@tonic-gate tbr_wr_addr_inited = 1; 20540Sstevel@tonic-gate 20550Sstevel@tonic-gate /* 20560Sstevel@tonic-gate * Initialize VM system, and map kernel address space. 20570Sstevel@tonic-gate */ 20580Sstevel@tonic-gate kvm_init(); 20590Sstevel@tonic-gate 20600Sstevel@tonic-gate /* 20610Sstevel@tonic-gate * XXX4U: previously, we initialized and turned on 20620Sstevel@tonic-gate * the caches at this point. But of course we have 20630Sstevel@tonic-gate * nothing to do, as the prom has already done this 20640Sstevel@tonic-gate * for us -- main memory must be E$able at all times. 20650Sstevel@tonic-gate */ 20660Sstevel@tonic-gate 20670Sstevel@tonic-gate /* 20680Sstevel@tonic-gate * If the following is true, someone has patched 20690Sstevel@tonic-gate * phsymem to be less than the number of pages that 20700Sstevel@tonic-gate * the system actually has. Remove pages until system 20710Sstevel@tonic-gate * memory is limited to the requested amount. Since we 20720Sstevel@tonic-gate * have allocated page structures for all pages, we 20730Sstevel@tonic-gate * correct the amount of memory we want to remove 20740Sstevel@tonic-gate * by the size of the memory used to hold page structures 20750Sstevel@tonic-gate * for the non-used pages. 20760Sstevel@tonic-gate */ 20770Sstevel@tonic-gate if (physmem < npages) { 20780Sstevel@tonic-gate pgcnt_t diff, off; 20790Sstevel@tonic-gate struct page *pp; 20800Sstevel@tonic-gate struct seg kseg; 20810Sstevel@tonic-gate 20820Sstevel@tonic-gate cmn_err(CE_WARN, "limiting physmem to %ld pages", physmem); 20830Sstevel@tonic-gate 20840Sstevel@tonic-gate off = 0; 20850Sstevel@tonic-gate diff = npages - physmem; 20860Sstevel@tonic-gate diff -= mmu_btopr(diff * sizeof (struct page)); 20870Sstevel@tonic-gate kseg.s_as = &kas; 20880Sstevel@tonic-gate while (diff--) { 20890Sstevel@tonic-gate pp = page_create_va(&unused_pages_vp, (offset_t)off, 20900Sstevel@tonic-gate MMU_PAGESIZE, PG_WAIT | PG_EXCL, 20910Sstevel@tonic-gate &kseg, (caddr_t)off); 20920Sstevel@tonic-gate if (pp == NULL) 20930Sstevel@tonic-gate cmn_err(CE_PANIC, "limited physmem too much!"); 20940Sstevel@tonic-gate page_io_unlock(pp); 20950Sstevel@tonic-gate page_downgrade(pp); 20960Sstevel@tonic-gate availrmem--; 20970Sstevel@tonic-gate off += MMU_PAGESIZE; 20980Sstevel@tonic-gate } 20990Sstevel@tonic-gate } 21000Sstevel@tonic-gate 21010Sstevel@tonic-gate /* 21020Sstevel@tonic-gate * When printing memory, show the total as physmem less 21030Sstevel@tonic-gate * that stolen by a debugger. 21040Sstevel@tonic-gate */ 21050Sstevel@tonic-gate cmn_err(CE_CONT, "?mem = %ldK (0x%lx000)\n", 21060Sstevel@tonic-gate (ulong_t)(physinstalled) << (PAGESHIFT - 10), 21070Sstevel@tonic-gate (ulong_t)(physinstalled) << (PAGESHIFT - 12)); 21080Sstevel@tonic-gate 21090Sstevel@tonic-gate avmem = (uint64_t)freemem << PAGESHIFT; 21100Sstevel@tonic-gate cmn_err(CE_CONT, "?avail mem = %lld\n", (unsigned long long)avmem); 21110Sstevel@tonic-gate 21122991Ssusans /* 21132991Ssusans * For small memory systems disable automatic large pages. 21142991Ssusans */ 21152991Ssusans if (physmem < privm_lpg_min_physmem) { 2116423Sdavemq use_brk_lpg = 0; 2117423Sdavemq use_stk_lpg = 0; 2118423Sdavemq } 2119423Sdavemq 21200Sstevel@tonic-gate /* 21210Sstevel@tonic-gate * Perform platform specific freelist processing 21220Sstevel@tonic-gate */ 21230Sstevel@tonic-gate if (&plat_freelist_process) { 21240Sstevel@tonic-gate for (mnode = 0; mnode < max_mem_nodes; mnode++) 21250Sstevel@tonic-gate if (mem_node_config[mnode].exists) 21260Sstevel@tonic-gate plat_freelist_process(mnode); 21270Sstevel@tonic-gate } 21280Sstevel@tonic-gate 21290Sstevel@tonic-gate /* 21300Sstevel@tonic-gate * Initialize the segkp segment type. We position it 21310Sstevel@tonic-gate * after the configured tables and buffers (whose end 21320Sstevel@tonic-gate * is given by econtig) and before V_WKBASE_ADDR. 21330Sstevel@tonic-gate * Also in this area is segkmap (size SEGMAPSIZE). 21340Sstevel@tonic-gate */ 21350Sstevel@tonic-gate 21360Sstevel@tonic-gate /* XXX - cache alignment? */ 21370Sstevel@tonic-gate va = (caddr_t)SEGKPBASE; 21380Sstevel@tonic-gate ASSERT(((uintptr_t)va & PAGEOFFSET) == 0); 21390Sstevel@tonic-gate 21400Sstevel@tonic-gate max_phys_segkp = (physmem * 2); 21410Sstevel@tonic-gate 21420Sstevel@tonic-gate if (segkpsize < btop(SEGKPMINSIZE) || segkpsize > btop(SEGKPMAXSIZE)) { 21430Sstevel@tonic-gate segkpsize = btop(SEGKPDEFSIZE); 21440Sstevel@tonic-gate cmn_err(CE_WARN, "Illegal value for segkpsize. " 21450Sstevel@tonic-gate "segkpsize has been reset to %ld pages", segkpsize); 21460Sstevel@tonic-gate } 21470Sstevel@tonic-gate 21480Sstevel@tonic-gate i = ptob(MIN(segkpsize, max_phys_segkp)); 21490Sstevel@tonic-gate 21500Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 21510Sstevel@tonic-gate if (seg_attach(&kas, va, i, segkp) < 0) 21520Sstevel@tonic-gate cmn_err(CE_PANIC, "startup: cannot attach segkp"); 21530Sstevel@tonic-gate if (segkp_create(segkp) != 0) 21540Sstevel@tonic-gate cmn_err(CE_PANIC, "startup: segkp_create failed"); 21550Sstevel@tonic-gate rw_exit(&kas.a_lock); 21560Sstevel@tonic-gate 21570Sstevel@tonic-gate /* 21580Sstevel@tonic-gate * kpm segment 21590Sstevel@tonic-gate */ 21600Sstevel@tonic-gate segmap_kpm = kpm_enable && 2161*4528Spaulsan segmap_kpm && PAGESIZE == MAXBSIZE; 21620Sstevel@tonic-gate 21630Sstevel@tonic-gate if (kpm_enable) { 21640Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 21650Sstevel@tonic-gate 21660Sstevel@tonic-gate /* 21670Sstevel@tonic-gate * The segkpm virtual range range is larger than the 21680Sstevel@tonic-gate * actual physical memory size and also covers gaps in 21690Sstevel@tonic-gate * the physical address range for the following reasons: 21700Sstevel@tonic-gate * . keep conversion between segkpm and physical addresses 21710Sstevel@tonic-gate * simple, cheap and unambiguous. 21720Sstevel@tonic-gate * . avoid extension/shrink of the the segkpm in case of DR. 21730Sstevel@tonic-gate * . avoid complexity for handling of virtual addressed 21740Sstevel@tonic-gate * caches, segkpm and the regular mapping scheme must be 21750Sstevel@tonic-gate * kept in sync wrt. the virtual color of mapped pages. 21760Sstevel@tonic-gate * Any accesses to virtual segkpm ranges not backed by 21770Sstevel@tonic-gate * physical memory will fall through the memseg pfn hash 21780Sstevel@tonic-gate * and will be handled in segkpm_fault. 21790Sstevel@tonic-gate * Additional kpm_size spaces needed for vac alias prevention. 21800Sstevel@tonic-gate */ 21810Sstevel@tonic-gate if (seg_attach(&kas, kpm_vbase, kpm_size * vac_colors, 21820Sstevel@tonic-gate segkpm) < 0) 21830Sstevel@tonic-gate cmn_err(CE_PANIC, "cannot attach segkpm"); 21840Sstevel@tonic-gate 21850Sstevel@tonic-gate b.prot = PROT_READ | PROT_WRITE; 21860Sstevel@tonic-gate b.nvcolors = shm_alignment >> MMU_PAGESHIFT; 21870Sstevel@tonic-gate 21880Sstevel@tonic-gate if (segkpm_create(segkpm, (caddr_t)&b) != 0) 21890Sstevel@tonic-gate panic("segkpm_create segkpm"); 21900Sstevel@tonic-gate 21910Sstevel@tonic-gate rw_exit(&kas.a_lock); 21922296Sae112802 21932296Sae112802 mach_kpm_init(); 21940Sstevel@tonic-gate } 21950Sstevel@tonic-gate 21963290Sjohansen if (!segzio_fromheap) { 21973290Sjohansen size_t size; 21983552Sjohansen size_t physmem_b = mmu_ptob(physmem); 21993290Sjohansen 22003290Sjohansen /* size is in bytes, segziosize is in pages */ 22013290Sjohansen if (segziosize == 0) { 22023552Sjohansen size = physmem_b; 22033290Sjohansen } else { 22043290Sjohansen size = mmu_ptob(segziosize); 22053290Sjohansen } 22063290Sjohansen 22073290Sjohansen if (size < SEGZIOMINSIZE) { 22083290Sjohansen size = SEGZIOMINSIZE; 22093552Sjohansen } else if (size > SEGZIOMAXSIZE) { 22103552Sjohansen size = SEGZIOMAXSIZE; 22113552Sjohansen /* 22123552Sjohansen * On 64-bit x86, we only have 2TB of KVA. This exists 22133552Sjohansen * for parity with x86. 22143552Sjohansen * 22153552Sjohansen * SEGZIOMAXSIZE is capped at 512gb so that segzio 22163552Sjohansen * doesn't consume all of KVA. However, if we have a 22173552Sjohansen * system that has more thant 512gb of physical memory, 22183552Sjohansen * we can actually consume about half of the difference 22193552Sjohansen * between 512gb and the rest of the available physical 22203552Sjohansen * memory. 22213552Sjohansen */ 22223552Sjohansen if (physmem_b > SEGZIOMAXSIZE) { 22233552Sjohansen size += (physmem_b - SEGZIOMAXSIZE) / 2; 22243552Sjohansen } 22253290Sjohansen } 22263290Sjohansen segziosize = mmu_btop(roundup(size, MMU_PAGESIZE)); 22273290Sjohansen /* put the base of the ZIO segment after the kpm segment */ 22283290Sjohansen segzio_base = kpm_vbase + (kpm_size * vac_colors); 22293290Sjohansen PRM_DEBUG(segziosize); 22303290Sjohansen PRM_DEBUG(segzio_base); 22313290Sjohansen 22323290Sjohansen /* 22333290Sjohansen * On some platforms, kvm_init is called after the kpm 22343290Sjohansen * sizes have been determined. On SPARC, kvm_init is called 22353290Sjohansen * before, so we have to attach the kzioseg after kvm is 22363290Sjohansen * initialized, otherwise we'll try to allocate from the boot 22373290Sjohansen * area since the kernel heap hasn't yet been configured. 22383290Sjohansen */ 22393290Sjohansen rw_enter(&kas.a_lock, RW_WRITER); 22403290Sjohansen 22413290Sjohansen (void) seg_attach(&kas, segzio_base, mmu_ptob(segziosize), 22423290Sjohansen &kzioseg); 22433290Sjohansen (void) segkmem_zio_create(&kzioseg); 22443290Sjohansen 22453290Sjohansen /* create zio area covering new segment */ 22463290Sjohansen segkmem_zio_init(segzio_base, mmu_ptob(segziosize)); 22473290Sjohansen 22483290Sjohansen rw_exit(&kas.a_lock); 22493290Sjohansen } 22503290Sjohansen 22513290Sjohansen 22520Sstevel@tonic-gate /* 22530Sstevel@tonic-gate * Now create generic mapping segment. This mapping 22540Sstevel@tonic-gate * goes SEGMAPSIZE beyond SEGMAPBASE. But if the total 22550Sstevel@tonic-gate * virtual address is greater than the amount of free 22560Sstevel@tonic-gate * memory that is available, then we trim back the 22570Sstevel@tonic-gate * segment size to that amount 22580Sstevel@tonic-gate */ 22590Sstevel@tonic-gate va = (caddr_t)SEGMAPBASE; 22600Sstevel@tonic-gate 22610Sstevel@tonic-gate /* 22620Sstevel@tonic-gate * 1201049: segkmap base address must be MAXBSIZE aligned 22630Sstevel@tonic-gate */ 22640Sstevel@tonic-gate ASSERT(((uintptr_t)va & MAXBOFFSET) == 0); 22650Sstevel@tonic-gate 22660Sstevel@tonic-gate /* 22670Sstevel@tonic-gate * Set size of segmap to percentage of freemem at boot, 22680Sstevel@tonic-gate * but stay within the allowable range 22690Sstevel@tonic-gate * Note we take percentage before converting from pages 22700Sstevel@tonic-gate * to bytes to avoid an overflow on 32-bit kernels. 22710Sstevel@tonic-gate */ 22720Sstevel@tonic-gate i = mmu_ptob((freemem * segmap_percent) / 100); 22730Sstevel@tonic-gate 22740Sstevel@tonic-gate if (i < MINMAPSIZE) 22750Sstevel@tonic-gate i = MINMAPSIZE; 22760Sstevel@tonic-gate 22770Sstevel@tonic-gate if (i > MIN(SEGMAPSIZE, mmu_ptob(freemem))) 22780Sstevel@tonic-gate i = MIN(SEGMAPSIZE, mmu_ptob(freemem)); 22790Sstevel@tonic-gate 22800Sstevel@tonic-gate i &= MAXBMASK; /* 1201049: segkmap size must be MAXBSIZE aligned */ 22810Sstevel@tonic-gate 22820Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 22830Sstevel@tonic-gate if (seg_attach(&kas, va, i, segkmap) < 0) 22840Sstevel@tonic-gate cmn_err(CE_PANIC, "cannot attach segkmap"); 22850Sstevel@tonic-gate 22860Sstevel@tonic-gate a.prot = PROT_READ | PROT_WRITE; 22870Sstevel@tonic-gate a.shmsize = shm_alignment; 22880Sstevel@tonic-gate a.nfreelist = 0; /* use segmap driver defaults */ 22890Sstevel@tonic-gate 22900Sstevel@tonic-gate if (segmap_create(segkmap, (caddr_t)&a) != 0) 22910Sstevel@tonic-gate panic("segmap_create segkmap"); 22920Sstevel@tonic-gate rw_exit(&kas.a_lock); 22930Sstevel@tonic-gate 22940Sstevel@tonic-gate segdev_init(); 22950Sstevel@tonic-gate } 22960Sstevel@tonic-gate 22970Sstevel@tonic-gate static void 22980Sstevel@tonic-gate startup_end(void) 22990Sstevel@tonic-gate { 23000Sstevel@tonic-gate if ((caddr_t)memlist > (caddr_t)memlist_end) 23010Sstevel@tonic-gate panic("memlist overflow 2"); 23020Sstevel@tonic-gate memlist_free_block((caddr_t)memlist, 23030Sstevel@tonic-gate ((caddr_t)memlist_end - (caddr_t)memlist)); 23040Sstevel@tonic-gate memlist = NULL; 23050Sstevel@tonic-gate 23060Sstevel@tonic-gate /* enable page_relocation since OBP is now done */ 23070Sstevel@tonic-gate page_relocate_ready = 1; 23080Sstevel@tonic-gate 23090Sstevel@tonic-gate /* 23100Sstevel@tonic-gate * Perform tasks that get done after most of the VM 23110Sstevel@tonic-gate * initialization has been done but before the clock 23120Sstevel@tonic-gate * and other devices get started. 23130Sstevel@tonic-gate */ 23140Sstevel@tonic-gate kern_setup1(); 23150Sstevel@tonic-gate 23160Sstevel@tonic-gate /* 23170Sstevel@tonic-gate * Intialize the VM arenas for allocating physically 23180Sstevel@tonic-gate * contiguus memory chunk for interrupt queues snd 23190Sstevel@tonic-gate * allocate/register boot cpu's queues, if any and 23200Sstevel@tonic-gate * allocate dump buffer for sun4v systems to store 23210Sstevel@tonic-gate * extra crash information during crash dump 23220Sstevel@tonic-gate */ 23230Sstevel@tonic-gate contig_mem_init(); 23240Sstevel@tonic-gate mach_descrip_init(); 23254050Sjb145095 23264050Sjb145095 if (cpu_intrq_setup(CPU)) { 23274050Sjb145095 cmn_err(CE_PANIC, "cpu%d: setup failed", CPU->cpu_id); 23284050Sjb145095 } 23290Sstevel@tonic-gate cpu_intrq_register(CPU); 23301077Ssvemuri mach_htraptrace_setup(CPU->cpu_id); 23311077Ssvemuri mach_htraptrace_configure(CPU->cpu_id); 23320Sstevel@tonic-gate mach_dump_buffer_init(); 23330Sstevel@tonic-gate 23340Sstevel@tonic-gate /* 23350Sstevel@tonic-gate * Initialize interrupt related stuff 23360Sstevel@tonic-gate */ 23371455Sandrei cpu_intr_alloc(CPU, NINTR_THREADS); 23380Sstevel@tonic-gate 23390Sstevel@tonic-gate (void) splzs(); /* allow hi clock ints but not zs */ 23400Sstevel@tonic-gate 23410Sstevel@tonic-gate /* 23420Sstevel@tonic-gate * Initialize errors. 23430Sstevel@tonic-gate */ 23440Sstevel@tonic-gate error_init(); 23450Sstevel@tonic-gate 23460Sstevel@tonic-gate /* 23470Sstevel@tonic-gate * Note that we may have already used kernel bcopy before this 23480Sstevel@tonic-gate * point - but if you really care about this, adb the use_hw_* 23490Sstevel@tonic-gate * variables to 0 before rebooting. 23500Sstevel@tonic-gate */ 23510Sstevel@tonic-gate mach_hw_copy_limit(); 23520Sstevel@tonic-gate 23530Sstevel@tonic-gate /* 23540Sstevel@tonic-gate * Install the "real" preemption guards before DDI services 23550Sstevel@tonic-gate * are available. 23560Sstevel@tonic-gate */ 23570Sstevel@tonic-gate (void) prom_set_preprom(kern_preprom); 23580Sstevel@tonic-gate (void) prom_set_postprom(kern_postprom); 23590Sstevel@tonic-gate CPU->cpu_m.mutex_ready = 1; 23600Sstevel@tonic-gate 23610Sstevel@tonic-gate /* 23620Sstevel@tonic-gate * Initialize segnf (kernel support for non-faulting loads). 23630Sstevel@tonic-gate */ 23640Sstevel@tonic-gate segnf_init(); 23650Sstevel@tonic-gate 23660Sstevel@tonic-gate /* 23670Sstevel@tonic-gate * Configure the root devinfo node. 23680Sstevel@tonic-gate */ 23690Sstevel@tonic-gate configure(); /* set up devices */ 23700Sstevel@tonic-gate mach_cpu_halt_idle(); 23710Sstevel@tonic-gate } 23720Sstevel@tonic-gate 23730Sstevel@tonic-gate 23740Sstevel@tonic-gate void 23750Sstevel@tonic-gate post_startup(void) 23760Sstevel@tonic-gate { 23770Sstevel@tonic-gate #ifdef PTL1_PANIC_DEBUG 23780Sstevel@tonic-gate extern void init_ptl1_thread(void); 23790Sstevel@tonic-gate #endif /* PTL1_PANIC_DEBUG */ 23800Sstevel@tonic-gate extern void abort_sequence_init(void); 23810Sstevel@tonic-gate 23820Sstevel@tonic-gate /* 23830Sstevel@tonic-gate * Set the system wide, processor-specific flags to be passed 23840Sstevel@tonic-gate * to userland via the aux vector for performance hints and 23850Sstevel@tonic-gate * instruction set extensions. 23860Sstevel@tonic-gate */ 23870Sstevel@tonic-gate bind_hwcap(); 23880Sstevel@tonic-gate 23890Sstevel@tonic-gate /* 23900Sstevel@tonic-gate * Startup memory scrubber (if any) 23910Sstevel@tonic-gate */ 23920Sstevel@tonic-gate mach_memscrub(); 23930Sstevel@tonic-gate 23940Sstevel@tonic-gate /* 23950Sstevel@tonic-gate * Allocate soft interrupt to handle abort sequence. 23960Sstevel@tonic-gate */ 23970Sstevel@tonic-gate abort_sequence_init(); 23980Sstevel@tonic-gate 23990Sstevel@tonic-gate /* 24000Sstevel@tonic-gate * Configure the rest of the system. 24010Sstevel@tonic-gate * Perform forceloading tasks for /etc/system. 24020Sstevel@tonic-gate */ 24030Sstevel@tonic-gate (void) mod_sysctl(SYS_FORCELOAD, NULL); 24040Sstevel@tonic-gate /* 24050Sstevel@tonic-gate * ON4.0: Force /proc module in until clock interrupt handle fixed 24060Sstevel@tonic-gate * ON4.0: This must be fixed or restated in /etc/systems. 24070Sstevel@tonic-gate */ 24080Sstevel@tonic-gate (void) modload("fs", "procfs"); 24090Sstevel@tonic-gate 24101991Sheppo /* load machine class specific drivers */ 24111991Sheppo load_mach_drivers(); 24121991Sheppo 24131991Sheppo /* load platform specific drivers */ 24140Sstevel@tonic-gate if (&load_platform_drivers) 24150Sstevel@tonic-gate load_platform_drivers(); 24160Sstevel@tonic-gate 24170Sstevel@tonic-gate /* load vis simulation module, if we are running w/fpu off */ 24180Sstevel@tonic-gate if (!fpu_exists) { 24190Sstevel@tonic-gate if (modload("misc", "vis") == -1) 24200Sstevel@tonic-gate halt("Can't load vis"); 24210Sstevel@tonic-gate } 24220Sstevel@tonic-gate 24230Sstevel@tonic-gate mach_fpras(); 24240Sstevel@tonic-gate 24250Sstevel@tonic-gate maxmem = freemem; 24260Sstevel@tonic-gate 24270Sstevel@tonic-gate #ifdef PTL1_PANIC_DEBUG 24280Sstevel@tonic-gate init_ptl1_thread(); 24290Sstevel@tonic-gate #endif /* PTL1_PANIC_DEBUG */ 24301991Sheppo 24311991Sheppo if (&cif_init) 24321991Sheppo cif_init(); 24330Sstevel@tonic-gate } 24340Sstevel@tonic-gate 24350Sstevel@tonic-gate #ifdef PTL1_PANIC_DEBUG 24360Sstevel@tonic-gate int ptl1_panic_test = 0; 24370Sstevel@tonic-gate int ptl1_panic_xc_one_test = 0; 24380Sstevel@tonic-gate int ptl1_panic_xc_all_test = 0; 24390Sstevel@tonic-gate int ptl1_panic_xt_one_test = 0; 24400Sstevel@tonic-gate int ptl1_panic_xt_all_test = 0; 24410Sstevel@tonic-gate kthread_id_t ptl1_thread_p = NULL; 24420Sstevel@tonic-gate kcondvar_t ptl1_cv; 24430Sstevel@tonic-gate kmutex_t ptl1_mutex; 24440Sstevel@tonic-gate int ptl1_recurse_count_threshold = 0x40; 24450Sstevel@tonic-gate int ptl1_recurse_trap_threshold = 0x3d; 24460Sstevel@tonic-gate extern void ptl1_recurse(int, int); 24470Sstevel@tonic-gate extern void ptl1_panic_xt(int, int); 24480Sstevel@tonic-gate 24490Sstevel@tonic-gate /* 24500Sstevel@tonic-gate * Called once per second by timeout() to wake up 24510Sstevel@tonic-gate * the ptl1_panic thread to see if it should cause 24520Sstevel@tonic-gate * a trap to the ptl1_panic() code. 24530Sstevel@tonic-gate */ 24540Sstevel@tonic-gate /* ARGSUSED */ 24550Sstevel@tonic-gate static void 24560Sstevel@tonic-gate ptl1_wakeup(void *arg) 24570Sstevel@tonic-gate { 24580Sstevel@tonic-gate mutex_enter(&ptl1_mutex); 24590Sstevel@tonic-gate cv_signal(&ptl1_cv); 24600Sstevel@tonic-gate mutex_exit(&ptl1_mutex); 24610Sstevel@tonic-gate } 24620Sstevel@tonic-gate 24630Sstevel@tonic-gate /* 24640Sstevel@tonic-gate * ptl1_panic cross call function: 24650Sstevel@tonic-gate * Needed because xc_one() and xc_some() can pass 24660Sstevel@tonic-gate * 64 bit args but ptl1_recurse() expects ints. 24670Sstevel@tonic-gate */ 24680Sstevel@tonic-gate static void 24690Sstevel@tonic-gate ptl1_panic_xc(void) 24700Sstevel@tonic-gate { 24710Sstevel@tonic-gate ptl1_recurse(ptl1_recurse_count_threshold, 24720Sstevel@tonic-gate ptl1_recurse_trap_threshold); 24730Sstevel@tonic-gate } 24740Sstevel@tonic-gate 24750Sstevel@tonic-gate /* 24760Sstevel@tonic-gate * The ptl1 thread waits for a global flag to be set 24770Sstevel@tonic-gate * and uses the recurse thresholds to set the stack depth 24780Sstevel@tonic-gate * to cause a ptl1_panic() directly via a call to ptl1_recurse 24790Sstevel@tonic-gate * or indirectly via the cross call and cross trap functions. 24800Sstevel@tonic-gate * 24810Sstevel@tonic-gate * This is useful testing stack overflows and normal 24820Sstevel@tonic-gate * ptl1_panic() states with a know stack frame. 24830Sstevel@tonic-gate * 24840Sstevel@tonic-gate * ptl1_recurse() is an asm function in ptl1_panic.s that 24850Sstevel@tonic-gate * sets the {In, Local, Out, and Global} registers to a 24860Sstevel@tonic-gate * know state on the stack and just prior to causing a 24870Sstevel@tonic-gate * test ptl1_panic trap. 24880Sstevel@tonic-gate */ 24890Sstevel@tonic-gate static void 24900Sstevel@tonic-gate ptl1_thread(void) 24910Sstevel@tonic-gate { 24920Sstevel@tonic-gate mutex_enter(&ptl1_mutex); 24930Sstevel@tonic-gate while (ptl1_thread_p) { 24940Sstevel@tonic-gate cpuset_t other_cpus; 24950Sstevel@tonic-gate int cpu_id; 24960Sstevel@tonic-gate int my_cpu_id; 24970Sstevel@tonic-gate int target_cpu_id; 24980Sstevel@tonic-gate int target_found; 24990Sstevel@tonic-gate 25000Sstevel@tonic-gate if (ptl1_panic_test) { 25010Sstevel@tonic-gate ptl1_recurse(ptl1_recurse_count_threshold, 25020Sstevel@tonic-gate ptl1_recurse_trap_threshold); 25030Sstevel@tonic-gate } 25040Sstevel@tonic-gate 25050Sstevel@tonic-gate /* 25060Sstevel@tonic-gate * Find potential targets for x-call and x-trap, 25070Sstevel@tonic-gate * if any exist while preempt is disabled we 25080Sstevel@tonic-gate * start a ptl1_panic if requested via a 25090Sstevel@tonic-gate * globals. 25100Sstevel@tonic-gate */ 25110Sstevel@tonic-gate kpreempt_disable(); 25120Sstevel@tonic-gate my_cpu_id = CPU->cpu_id; 25130Sstevel@tonic-gate other_cpus = cpu_ready_set; 25140Sstevel@tonic-gate CPUSET_DEL(other_cpus, CPU->cpu_id); 25150Sstevel@tonic-gate target_found = 0; 25160Sstevel@tonic-gate if (!CPUSET_ISNULL(other_cpus)) { 25170Sstevel@tonic-gate /* 25180Sstevel@tonic-gate * Pick the first one 25190Sstevel@tonic-gate */ 25200Sstevel@tonic-gate for (cpu_id = 0; cpu_id < NCPU; cpu_id++) { 25210Sstevel@tonic-gate if (cpu_id == my_cpu_id) 25220Sstevel@tonic-gate continue; 25230Sstevel@tonic-gate 25240Sstevel@tonic-gate if (CPU_XCALL_READY(cpu_id)) { 25250Sstevel@tonic-gate target_cpu_id = cpu_id; 25260Sstevel@tonic-gate target_found = 1; 25270Sstevel@tonic-gate break; 25280Sstevel@tonic-gate } 25290Sstevel@tonic-gate } 25300Sstevel@tonic-gate ASSERT(target_found); 25310Sstevel@tonic-gate 25320Sstevel@tonic-gate if (ptl1_panic_xc_one_test) { 25330Sstevel@tonic-gate xc_one(target_cpu_id, 25340Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xc, 0, 0); 25350Sstevel@tonic-gate } 25360Sstevel@tonic-gate if (ptl1_panic_xc_all_test) { 25370Sstevel@tonic-gate xc_some(other_cpus, 25380Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xc, 0, 0); 25390Sstevel@tonic-gate } 25400Sstevel@tonic-gate if (ptl1_panic_xt_one_test) { 25410Sstevel@tonic-gate xt_one(target_cpu_id, 25420Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xt, 0, 0); 25430Sstevel@tonic-gate } 25440Sstevel@tonic-gate if (ptl1_panic_xt_all_test) { 25450Sstevel@tonic-gate xt_some(other_cpus, 25460Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xt, 0, 0); 25470Sstevel@tonic-gate } 25480Sstevel@tonic-gate } 25490Sstevel@tonic-gate kpreempt_enable(); 25500Sstevel@tonic-gate (void) timeout(ptl1_wakeup, NULL, hz); 25510Sstevel@tonic-gate (void) cv_wait(&ptl1_cv, &ptl1_mutex); 25520Sstevel@tonic-gate } 25530Sstevel@tonic-gate mutex_exit(&ptl1_mutex); 25540Sstevel@tonic-gate } 25550Sstevel@tonic-gate 25560Sstevel@tonic-gate /* 25570Sstevel@tonic-gate * Called during early startup to create the ptl1_thread 25580Sstevel@tonic-gate */ 25590Sstevel@tonic-gate void 25600Sstevel@tonic-gate init_ptl1_thread(void) 25610Sstevel@tonic-gate { 25620Sstevel@tonic-gate ptl1_thread_p = thread_create(NULL, 0, ptl1_thread, NULL, 0, 25630Sstevel@tonic-gate &p0, TS_RUN, 0); 25640Sstevel@tonic-gate } 25650Sstevel@tonic-gate #endif /* PTL1_PANIC_DEBUG */ 25660Sstevel@tonic-gate 25670Sstevel@tonic-gate 25680Sstevel@tonic-gate /* 25690Sstevel@tonic-gate * Add to a memory list. 25700Sstevel@tonic-gate * start = start of new memory segment 25710Sstevel@tonic-gate * len = length of new memory segment in bytes 25720Sstevel@tonic-gate * memlistp = pointer to array of available memory segment structures 25730Sstevel@tonic-gate * curmemlistp = memory list to which to add segment. 25740Sstevel@tonic-gate */ 25750Sstevel@tonic-gate static void 25760Sstevel@tonic-gate memlist_add(uint64_t start, uint64_t len, struct memlist **memlistp, 25770Sstevel@tonic-gate struct memlist **curmemlistp) 25780Sstevel@tonic-gate { 25790Sstevel@tonic-gate struct memlist *new; 25800Sstevel@tonic-gate 25810Sstevel@tonic-gate new = *memlistp; 25820Sstevel@tonic-gate new->address = start; 25830Sstevel@tonic-gate new->size = len; 25840Sstevel@tonic-gate *memlistp = new + 1; 25850Sstevel@tonic-gate 25860Sstevel@tonic-gate memlist_insert(new, curmemlistp); 25870Sstevel@tonic-gate } 25880Sstevel@tonic-gate 25890Sstevel@tonic-gate /* 25900Sstevel@tonic-gate * In the case of architectures that support dynamic addition of 25910Sstevel@tonic-gate * memory at run-time there are two cases where memsegs need to 25920Sstevel@tonic-gate * be initialized and added to the memseg list. 25930Sstevel@tonic-gate * 1) memsegs that are constructed at startup. 25940Sstevel@tonic-gate * 2) memsegs that are constructed at run-time on 25950Sstevel@tonic-gate * hot-plug capable architectures. 25960Sstevel@tonic-gate * This code was originally part of the function kphysm_init(). 25970Sstevel@tonic-gate */ 25980Sstevel@tonic-gate 25990Sstevel@tonic-gate static void 26000Sstevel@tonic-gate memseg_list_add(struct memseg *memsegp) 26010Sstevel@tonic-gate { 26020Sstevel@tonic-gate struct memseg **prev_memsegp; 26030Sstevel@tonic-gate pgcnt_t num; 26040Sstevel@tonic-gate 26050Sstevel@tonic-gate /* insert in memseg list, decreasing number of pages order */ 26060Sstevel@tonic-gate 26070Sstevel@tonic-gate num = MSEG_NPAGES(memsegp); 26080Sstevel@tonic-gate 26090Sstevel@tonic-gate for (prev_memsegp = &memsegs; *prev_memsegp; 26100Sstevel@tonic-gate prev_memsegp = &((*prev_memsegp)->next)) { 26110Sstevel@tonic-gate if (num > MSEG_NPAGES(*prev_memsegp)) 26120Sstevel@tonic-gate break; 26130Sstevel@tonic-gate } 26140Sstevel@tonic-gate 26150Sstevel@tonic-gate memsegp->next = *prev_memsegp; 26160Sstevel@tonic-gate *prev_memsegp = memsegp; 26170Sstevel@tonic-gate 26180Sstevel@tonic-gate if (kpm_enable) { 26190Sstevel@tonic-gate memsegp->nextpa = (memsegp->next) ? 2620*4528Spaulsan va_to_pa(memsegp->next) : MSEG_NULLPTR_PA; 26210Sstevel@tonic-gate 26220Sstevel@tonic-gate if (prev_memsegp != &memsegs) { 26230Sstevel@tonic-gate struct memseg *msp; 26240Sstevel@tonic-gate msp = (struct memseg *)((caddr_t)prev_memsegp - 2625*4528Spaulsan offsetof(struct memseg, next)); 26260Sstevel@tonic-gate msp->nextpa = va_to_pa(memsegp); 26270Sstevel@tonic-gate } else { 26280Sstevel@tonic-gate memsegspa = va_to_pa(memsegs); 26290Sstevel@tonic-gate } 26300Sstevel@tonic-gate } 26310Sstevel@tonic-gate } 26320Sstevel@tonic-gate 26330Sstevel@tonic-gate /* 26340Sstevel@tonic-gate * PSM add_physmem_cb(). US-II and newer processors have some 26350Sstevel@tonic-gate * flavor of the prefetch capability implemented. We exploit 26360Sstevel@tonic-gate * this capability for optimum performance. 26370Sstevel@tonic-gate */ 26380Sstevel@tonic-gate #define PREFETCH_BYTES 64 26390Sstevel@tonic-gate 26400Sstevel@tonic-gate void 26410Sstevel@tonic-gate add_physmem_cb(page_t *pp, pfn_t pnum) 26420Sstevel@tonic-gate { 26430Sstevel@tonic-gate extern void prefetch_page_w(void *); 26440Sstevel@tonic-gate 26450Sstevel@tonic-gate pp->p_pagenum = pnum; 26460Sstevel@tonic-gate 26470Sstevel@tonic-gate /* 26480Sstevel@tonic-gate * Prefetch one more page_t into E$. To prevent future 26490Sstevel@tonic-gate * mishaps with the sizeof(page_t) changing on us, we 26500Sstevel@tonic-gate * catch this on debug kernels if we can't bring in the 26510Sstevel@tonic-gate * entire hpage with 2 PREFETCH_BYTES reads. See 26520Sstevel@tonic-gate * also, sun4u/cpu/cpu_module.c 26530Sstevel@tonic-gate */ 26540Sstevel@tonic-gate /*LINTED*/ 26550Sstevel@tonic-gate ASSERT(sizeof (page_t) <= 2*PREFETCH_BYTES); 26560Sstevel@tonic-gate prefetch_page_w((char *)pp); 26570Sstevel@tonic-gate } 26580Sstevel@tonic-gate 26590Sstevel@tonic-gate /* 26600Sstevel@tonic-gate * kphysm_init() tackles the problem of initializing physical memory. 26610Sstevel@tonic-gate * The old startup made some assumptions about the kernel living in 26620Sstevel@tonic-gate * physically contiguous space which is no longer valid. 26630Sstevel@tonic-gate */ 26640Sstevel@tonic-gate static void 26650Sstevel@tonic-gate kphysm_init(page_t *pp, struct memseg *memsegp, pgcnt_t npages, 26660Sstevel@tonic-gate uintptr_t kpm_pp, pgcnt_t kpm_npages) 26670Sstevel@tonic-gate { 26680Sstevel@tonic-gate struct memlist *pmem; 26690Sstevel@tonic-gate struct memseg *msp; 26700Sstevel@tonic-gate pfn_t base; 26710Sstevel@tonic-gate pgcnt_t num; 26720Sstevel@tonic-gate pfn_t lastseg_pages_end = 0; 26730Sstevel@tonic-gate pgcnt_t nelem_used = 0; 26740Sstevel@tonic-gate 26750Sstevel@tonic-gate ASSERT(page_hash != NULL && page_hashsz != 0); 26760Sstevel@tonic-gate 26770Sstevel@tonic-gate msp = memsegp; 26780Sstevel@tonic-gate for (pmem = phys_avail; pmem && npages; pmem = pmem->next) { 26790Sstevel@tonic-gate 26800Sstevel@tonic-gate /* 26810Sstevel@tonic-gate * Build the memsegs entry 26820Sstevel@tonic-gate */ 26830Sstevel@tonic-gate num = btop(pmem->size); 26840Sstevel@tonic-gate if (num > npages) 26850Sstevel@tonic-gate num = npages; 26860Sstevel@tonic-gate npages -= num; 26870Sstevel@tonic-gate base = btop(pmem->address); 26880Sstevel@tonic-gate 26890Sstevel@tonic-gate msp->pages = pp; 26900Sstevel@tonic-gate msp->epages = pp + num; 26910Sstevel@tonic-gate msp->pages_base = base; 26920Sstevel@tonic-gate msp->pages_end = base + num; 26930Sstevel@tonic-gate 26940Sstevel@tonic-gate if (kpm_enable) { 26950Sstevel@tonic-gate pfn_t pbase_a; 26960Sstevel@tonic-gate pfn_t pend_a; 26970Sstevel@tonic-gate pfn_t prev_pend_a; 26980Sstevel@tonic-gate pgcnt_t nelem; 26990Sstevel@tonic-gate 27000Sstevel@tonic-gate msp->pagespa = va_to_pa(pp); 27010Sstevel@tonic-gate msp->epagespa = va_to_pa(pp + num); 27020Sstevel@tonic-gate pbase_a = kpmptop(ptokpmp(base)); 27030Sstevel@tonic-gate pend_a = kpmptop(ptokpmp(base + num - 1)) + kpmpnpgs; 27040Sstevel@tonic-gate nelem = ptokpmp(pend_a - pbase_a); 27050Sstevel@tonic-gate msp->kpm_nkpmpgs = nelem; 27060Sstevel@tonic-gate msp->kpm_pbase = pbase_a; 27070Sstevel@tonic-gate if (lastseg_pages_end) { 27080Sstevel@tonic-gate /* 27090Sstevel@tonic-gate * Assume phys_avail is in ascending order 27100Sstevel@tonic-gate * of physical addresses. 27110Sstevel@tonic-gate */ 27120Sstevel@tonic-gate ASSERT(base + num > lastseg_pages_end); 27130Sstevel@tonic-gate prev_pend_a = kpmptop( 27140Sstevel@tonic-gate ptokpmp(lastseg_pages_end - 1)) + kpmpnpgs; 27150Sstevel@tonic-gate 27160Sstevel@tonic-gate if (prev_pend_a > pbase_a) { 27170Sstevel@tonic-gate /* 27180Sstevel@tonic-gate * Overlap, more than one memseg may 27190Sstevel@tonic-gate * point to the same kpm_page range. 27200Sstevel@tonic-gate */ 27210Sstevel@tonic-gate if (kpm_smallpages == 0) { 27220Sstevel@tonic-gate msp->kpm_pages = 27230Sstevel@tonic-gate (kpm_page_t *)kpm_pp - 1; 27240Sstevel@tonic-gate kpm_pp = (uintptr_t) 2725*4528Spaulsan ((kpm_page_t *)kpm_pp 2726*4528Spaulsan + nelem - 1); 27270Sstevel@tonic-gate } else { 27280Sstevel@tonic-gate msp->kpm_spages = 27290Sstevel@tonic-gate (kpm_spage_t *)kpm_pp - 1; 27300Sstevel@tonic-gate kpm_pp = (uintptr_t) 2731*4528Spaulsan ((kpm_spage_t *)kpm_pp 2732*4528Spaulsan + nelem - 1); 27330Sstevel@tonic-gate } 27340Sstevel@tonic-gate nelem_used += nelem - 1; 27350Sstevel@tonic-gate 27360Sstevel@tonic-gate } else { 27370Sstevel@tonic-gate if (kpm_smallpages == 0) { 27380Sstevel@tonic-gate msp->kpm_pages = 27390Sstevel@tonic-gate (kpm_page_t *)kpm_pp; 27400Sstevel@tonic-gate kpm_pp = (uintptr_t) 2741*4528Spaulsan ((kpm_page_t *)kpm_pp 2742*4528Spaulsan + nelem); 27430Sstevel@tonic-gate } else { 27440Sstevel@tonic-gate msp->kpm_spages = 27450Sstevel@tonic-gate (kpm_spage_t *)kpm_pp; 27460Sstevel@tonic-gate kpm_pp = (uintptr_t) 2747*4528Spaulsan ((kpm_spage_t *) 2748*4528Spaulsan kpm_pp + nelem); 27490Sstevel@tonic-gate } 27500Sstevel@tonic-gate nelem_used += nelem; 27510Sstevel@tonic-gate } 27520Sstevel@tonic-gate 27530Sstevel@tonic-gate } else { 27540Sstevel@tonic-gate if (kpm_smallpages == 0) { 27550Sstevel@tonic-gate msp->kpm_pages = (kpm_page_t *)kpm_pp; 27560Sstevel@tonic-gate kpm_pp = (uintptr_t) 2757*4528Spaulsan ((kpm_page_t *)kpm_pp + nelem); 27580Sstevel@tonic-gate } else { 27590Sstevel@tonic-gate msp->kpm_spages = (kpm_spage_t *)kpm_pp; 27600Sstevel@tonic-gate kpm_pp = (uintptr_t) 2761*4528Spaulsan ((kpm_spage_t *)kpm_pp + nelem); 27620Sstevel@tonic-gate } 27630Sstevel@tonic-gate nelem_used = nelem; 27640Sstevel@tonic-gate } 27650Sstevel@tonic-gate 27660Sstevel@tonic-gate if (nelem_used > kpm_npages) 27670Sstevel@tonic-gate panic("kphysm_init: kpm_pp overflow\n"); 27680Sstevel@tonic-gate 27690Sstevel@tonic-gate msp->kpm_pagespa = va_to_pa(msp->kpm_pages); 27700Sstevel@tonic-gate lastseg_pages_end = msp->pages_end; 27710Sstevel@tonic-gate } 27720Sstevel@tonic-gate 27730Sstevel@tonic-gate memseg_list_add(msp); 27740Sstevel@tonic-gate 27750Sstevel@tonic-gate /* 27760Sstevel@tonic-gate * add_physmem() initializes the PSM part of the page 27770Sstevel@tonic-gate * struct by calling the PSM back with add_physmem_cb(). 27780Sstevel@tonic-gate * In addition it coalesces pages into larger pages as 27790Sstevel@tonic-gate * it initializes them. 27800Sstevel@tonic-gate */ 27810Sstevel@tonic-gate add_physmem(pp, num, base); 27820Sstevel@tonic-gate pp += num; 27830Sstevel@tonic-gate msp++; 27840Sstevel@tonic-gate } 27850Sstevel@tonic-gate 27860Sstevel@tonic-gate build_pfn_hash(); 27870Sstevel@tonic-gate } 27880Sstevel@tonic-gate 27890Sstevel@tonic-gate /* 27900Sstevel@tonic-gate * Kernel VM initialization. 27910Sstevel@tonic-gate * Assumptions about kernel address space ordering: 27920Sstevel@tonic-gate * (1) gap (user space) 27930Sstevel@tonic-gate * (2) kernel text 27940Sstevel@tonic-gate * (3) kernel data/bss 27950Sstevel@tonic-gate * (4) gap 27960Sstevel@tonic-gate * (5) kernel data structures 27970Sstevel@tonic-gate * (6) gap 27980Sstevel@tonic-gate * (7) debugger (optional) 27990Sstevel@tonic-gate * (8) monitor 28000Sstevel@tonic-gate * (9) gap (possibly null) 28010Sstevel@tonic-gate * (10) dvma 28020Sstevel@tonic-gate * (11) devices 28030Sstevel@tonic-gate */ 28040Sstevel@tonic-gate static void 28050Sstevel@tonic-gate kvm_init(void) 28060Sstevel@tonic-gate { 28070Sstevel@tonic-gate /* 28080Sstevel@tonic-gate * Put the kernel segments in kernel address space. 28090Sstevel@tonic-gate */ 28100Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 28110Sstevel@tonic-gate as_avlinit(&kas); 28120Sstevel@tonic-gate 28130Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)KERNELBASE, 28140Sstevel@tonic-gate (size_t)(e_moddata - KERNELBASE), &ktextseg); 28150Sstevel@tonic-gate (void) segkmem_create(&ktextseg); 28160Sstevel@tonic-gate 28170Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)(KERNELBASE + MMU_PAGESIZE4M), 28180Sstevel@tonic-gate (size_t)(MMU_PAGESIZE4M), &ktexthole); 28190Sstevel@tonic-gate (void) segkmem_create(&ktexthole); 28200Sstevel@tonic-gate 28210Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)valloc_base, 28220Sstevel@tonic-gate (size_t)(econtig32 - valloc_base), &kvalloc); 28230Sstevel@tonic-gate (void) segkmem_create(&kvalloc); 28240Sstevel@tonic-gate 28250Sstevel@tonic-gate if (kmem64_base) { 2826*4528Spaulsan (void) seg_attach(&kas, (caddr_t)kmem64_base, 2827*4528Spaulsan (size_t)(kmem64_end - kmem64_base), &kmem64); 2828*4528Spaulsan (void) segkmem_create(&kmem64); 28290Sstevel@tonic-gate } 28300Sstevel@tonic-gate 28310Sstevel@tonic-gate /* 28320Sstevel@tonic-gate * We're about to map out /boot. This is the beginning of the 28330Sstevel@tonic-gate * system resource management transition. We can no longer 28340Sstevel@tonic-gate * call into /boot for I/O or memory allocations. 28350Sstevel@tonic-gate */ 28360Sstevel@tonic-gate (void) seg_attach(&kas, kernelheap, ekernelheap - kernelheap, &kvseg); 28370Sstevel@tonic-gate (void) segkmem_create(&kvseg); 28380Sstevel@tonic-gate hblk_alloc_dynamic = 1; 28390Sstevel@tonic-gate 28400Sstevel@tonic-gate /* 28410Sstevel@tonic-gate * we need to preallocate pages for DR operations before enabling large 28420Sstevel@tonic-gate * page kernel heap because of memseg_remap_init() hat_unload() hack. 28430Sstevel@tonic-gate */ 28440Sstevel@tonic-gate memseg_remap_init(); 28450Sstevel@tonic-gate 28460Sstevel@tonic-gate /* at this point we are ready to use large page heap */ 28470Sstevel@tonic-gate segkmem_heap_lp_init(); 28480Sstevel@tonic-gate 28490Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)SYSBASE32, SYSLIMIT32 - SYSBASE32, 28500Sstevel@tonic-gate &kvseg32); 28510Sstevel@tonic-gate (void) segkmem_create(&kvseg32); 28520Sstevel@tonic-gate 28530Sstevel@tonic-gate /* 28540Sstevel@tonic-gate * Create a segment for the debugger. 28550Sstevel@tonic-gate */ 28563446Smrj (void) seg_attach(&kas, kdi_segdebugbase, kdi_segdebugsize, &kdebugseg); 28570Sstevel@tonic-gate (void) segkmem_create(&kdebugseg); 28580Sstevel@tonic-gate 28590Sstevel@tonic-gate rw_exit(&kas.a_lock); 28600Sstevel@tonic-gate } 28610Sstevel@tonic-gate 28620Sstevel@tonic-gate char obp_tte_str[] = 28630Sstevel@tonic-gate "h# %x constant MMU_PAGESHIFT " 28640Sstevel@tonic-gate "h# %x constant TTE8K " 28650Sstevel@tonic-gate "h# %x constant SFHME_SIZE " 28660Sstevel@tonic-gate "h# %x constant SFHME_TTE " 28670Sstevel@tonic-gate "h# %x constant HMEBLK_TAG " 28680Sstevel@tonic-gate "h# %x constant HMEBLK_NEXT " 28690Sstevel@tonic-gate "h# %x constant HMEBLK_MISC " 28700Sstevel@tonic-gate "h# %x constant HMEBLK_HME1 " 28710Sstevel@tonic-gate "h# %x constant NHMENTS " 28720Sstevel@tonic-gate "h# %x constant HBLK_SZMASK " 28730Sstevel@tonic-gate "h# %x constant HBLK_RANGE_SHIFT " 28740Sstevel@tonic-gate "h# %x constant HMEBP_HBLK " 28750Sstevel@tonic-gate "h# %x constant HMEBUCKET_SIZE " 28760Sstevel@tonic-gate "h# %x constant HTAG_SFMMUPSZ " 2877*4528Spaulsan "h# %x constant HTAG_BSPAGE_SHIFT " 2878*4528Spaulsan "h# %x constant HTAG_REHASH_SHIFT " 2879*4528Spaulsan "h# %x constant SFMMU_INVALID_SHMERID " 28800Sstevel@tonic-gate "h# %x constant mmu_hashcnt " 28810Sstevel@tonic-gate "h# %p constant uhme_hash " 28820Sstevel@tonic-gate "h# %p constant khme_hash " 28830Sstevel@tonic-gate "h# %x constant UHMEHASH_SZ " 28840Sstevel@tonic-gate "h# %x constant KHMEHASH_SZ " 28852241Shuah "h# %p constant KCONTEXT " 28860Sstevel@tonic-gate "h# %p constant KHATID " 28870Sstevel@tonic-gate "h# %x constant ASI_MEM " 28880Sstevel@tonic-gate 28890Sstevel@tonic-gate ": PHYS-X@ ( phys -- data ) " 28900Sstevel@tonic-gate " ASI_MEM spacex@ " 28910Sstevel@tonic-gate "; " 28920Sstevel@tonic-gate 28930Sstevel@tonic-gate ": PHYS-W@ ( phys -- data ) " 28940Sstevel@tonic-gate " ASI_MEM spacew@ " 28950Sstevel@tonic-gate "; " 28960Sstevel@tonic-gate 28970Sstevel@tonic-gate ": PHYS-L@ ( phys -- data ) " 28980Sstevel@tonic-gate " ASI_MEM spaceL@ " 28990Sstevel@tonic-gate "; " 29000Sstevel@tonic-gate 29010Sstevel@tonic-gate ": TTE_PAGE_SHIFT ( ttesz -- hmeshift ) " 29020Sstevel@tonic-gate " 3 * MMU_PAGESHIFT + " 29030Sstevel@tonic-gate "; " 29040Sstevel@tonic-gate 29050Sstevel@tonic-gate ": TTE_IS_VALID ( ttep -- flag ) " 29060Sstevel@tonic-gate " PHYS-X@ 0< " 29070Sstevel@tonic-gate "; " 29080Sstevel@tonic-gate 29090Sstevel@tonic-gate ": HME_HASH_SHIFT ( ttesz -- hmeshift ) " 29100Sstevel@tonic-gate " dup TTE8K = if " 29110Sstevel@tonic-gate " drop HBLK_RANGE_SHIFT " 29120Sstevel@tonic-gate " else " 29130Sstevel@tonic-gate " TTE_PAGE_SHIFT " 29140Sstevel@tonic-gate " then " 29150Sstevel@tonic-gate "; " 29160Sstevel@tonic-gate 29170Sstevel@tonic-gate ": HME_HASH_BSPAGE ( addr hmeshift -- bspage ) " 29180Sstevel@tonic-gate " tuck >> swap MMU_PAGESHIFT - << " 29190Sstevel@tonic-gate "; " 29200Sstevel@tonic-gate 29210Sstevel@tonic-gate ": HME_HASH_FUNCTION ( sfmmup addr hmeshift -- hmebp ) " 29220Sstevel@tonic-gate " >> over xor swap ( hash sfmmup ) " 29230Sstevel@tonic-gate " KHATID <> if ( hash ) " 29240Sstevel@tonic-gate " UHMEHASH_SZ and ( bucket ) " 29250Sstevel@tonic-gate " HMEBUCKET_SIZE * uhme_hash + ( hmebp ) " 29260Sstevel@tonic-gate " else ( hash ) " 29270Sstevel@tonic-gate " KHMEHASH_SZ and ( bucket ) " 29280Sstevel@tonic-gate " HMEBUCKET_SIZE * khme_hash + ( hmebp ) " 29290Sstevel@tonic-gate " then ( hmebp ) " 29300Sstevel@tonic-gate "; " 29310Sstevel@tonic-gate 29320Sstevel@tonic-gate ": HME_HASH_TABLE_SEARCH " 29330Sstevel@tonic-gate " ( sfmmup hmebp hblktag -- sfmmup null | sfmmup hmeblkp ) " 29340Sstevel@tonic-gate " >r hmebp_hblk + phys-x@ begin ( sfmmup hmeblkp ) ( r: hblktag ) " 29350Sstevel@tonic-gate " dup if ( sfmmup hmeblkp ) ( r: hblktag ) " 29360Sstevel@tonic-gate " dup hmeblk_tag + phys-x@ r@ = if ( sfmmup hmeblkp ) " 29370Sstevel@tonic-gate " dup hmeblk_tag + 8 + phys-x@ 2 pick = if " 29380Sstevel@tonic-gate " true ( sfmmup hmeblkp true ) ( r: hblktag ) " 29390Sstevel@tonic-gate " else " 29400Sstevel@tonic-gate " hmeblk_next + phys-x@ false " 29410Sstevel@tonic-gate " ( sfmmup hmeblkp false ) ( r: hblktag ) " 29420Sstevel@tonic-gate " then " 29430Sstevel@tonic-gate " else " 29440Sstevel@tonic-gate " hmeblk_next + phys-x@ false " 29450Sstevel@tonic-gate " ( sfmmup hmeblkp false ) ( r: hblktag ) " 29460Sstevel@tonic-gate " then " 29470Sstevel@tonic-gate " else " 29480Sstevel@tonic-gate " true " 29490Sstevel@tonic-gate " then " 29500Sstevel@tonic-gate " until r> drop " 29510Sstevel@tonic-gate "; " 29520Sstevel@tonic-gate 29530Sstevel@tonic-gate ": HME_HASH_TAG ( sfmmup rehash addr -- hblktag ) " 2954*4528Spaulsan " over HME_HASH_SHIFT HME_HASH_BSPAGE ( sfmmup rehash bspage ) " 2955*4528Spaulsan " HTAG_BSPAGE_SHIFT << ( sfmmup rehash htag-bspage )" 2956*4528Spaulsan " swap HTAG_REHASH_SHIFT << or ( sfmmup htag-bspage-rehash )" 2957*4528Spaulsan " SFMMU_INVALID_SHMERID or nip ( hblktag ) " 29580Sstevel@tonic-gate "; " 29590Sstevel@tonic-gate 29600Sstevel@tonic-gate ": HBLK_TO_TTEP ( hmeblkp addr -- ttep ) " 29610Sstevel@tonic-gate " over HMEBLK_MISC + PHYS-L@ HBLK_SZMASK and ( hmeblkp addr ttesz ) " 29620Sstevel@tonic-gate " TTE8K = if ( hmeblkp addr ) " 29630Sstevel@tonic-gate " MMU_PAGESHIFT >> NHMENTS 1- and ( hmeblkp hme-index ) " 29640Sstevel@tonic-gate " else ( hmeblkp addr ) " 29650Sstevel@tonic-gate " drop 0 ( hmeblkp 0 ) " 29660Sstevel@tonic-gate " then ( hmeblkp hme-index ) " 29670Sstevel@tonic-gate " SFHME_SIZE * + HMEBLK_HME1 + ( hmep ) " 29680Sstevel@tonic-gate " SFHME_TTE + ( ttep ) " 29690Sstevel@tonic-gate "; " 29700Sstevel@tonic-gate 29710Sstevel@tonic-gate ": unix-tte ( addr cnum -- false | tte-data true ) " 29722241Shuah " KCONTEXT = if ( addr ) " 29732241Shuah " KHATID ( addr khatid ) " 29742241Shuah " else ( addr ) " 29752241Shuah " drop false exit ( false ) " 29762241Shuah " then " 29772241Shuah " ( addr khatid ) " 29780Sstevel@tonic-gate " mmu_hashcnt 1+ 1 do ( addr sfmmup ) " 29790Sstevel@tonic-gate " 2dup swap i HME_HASH_SHIFT " 29800Sstevel@tonic-gate "( addr sfmmup sfmmup addr hmeshift ) " 29810Sstevel@tonic-gate " HME_HASH_FUNCTION ( addr sfmmup hmebp ) " 29820Sstevel@tonic-gate " over i 4 pick " 29830Sstevel@tonic-gate "( addr sfmmup hmebp sfmmup rehash addr ) " 29840Sstevel@tonic-gate " HME_HASH_TAG ( addr sfmmup hmebp hblktag ) " 29850Sstevel@tonic-gate " HME_HASH_TABLE_SEARCH " 29860Sstevel@tonic-gate "( addr sfmmup { null | hmeblkp } ) " 29870Sstevel@tonic-gate " ?dup if ( addr sfmmup hmeblkp ) " 29880Sstevel@tonic-gate " nip swap HBLK_TO_TTEP ( ttep ) " 29890Sstevel@tonic-gate " dup TTE_IS_VALID if ( valid-ttep ) " 29900Sstevel@tonic-gate " PHYS-X@ true ( tte-data true ) " 29910Sstevel@tonic-gate " else ( invalid-tte ) " 29920Sstevel@tonic-gate " drop false ( false ) " 29930Sstevel@tonic-gate " then ( false | tte-data true ) " 29940Sstevel@tonic-gate " unloop exit ( false | tte-data true ) " 29950Sstevel@tonic-gate " then ( addr sfmmup ) " 29960Sstevel@tonic-gate " loop ( addr sfmmup ) " 29970Sstevel@tonic-gate " 2drop false ( false ) " 29980Sstevel@tonic-gate "; " 29990Sstevel@tonic-gate ; 30000Sstevel@tonic-gate 30010Sstevel@tonic-gate void 30020Sstevel@tonic-gate create_va_to_tte(void) 30030Sstevel@tonic-gate { 30040Sstevel@tonic-gate char *bp; 30050Sstevel@tonic-gate extern int khmehash_num, uhmehash_num; 30060Sstevel@tonic-gate extern struct hmehash_bucket *khme_hash, *uhme_hash; 30070Sstevel@tonic-gate 30080Sstevel@tonic-gate #define OFFSET(type, field) ((uintptr_t)(&((type *)0)->field)) 30090Sstevel@tonic-gate 30100Sstevel@tonic-gate bp = (char *)kobj_zalloc(MMU_PAGESIZE, KM_SLEEP); 30110Sstevel@tonic-gate 30120Sstevel@tonic-gate /* 30130Sstevel@tonic-gate * Teach obp how to parse our sw ttes. 30140Sstevel@tonic-gate */ 30150Sstevel@tonic-gate (void) sprintf(bp, obp_tte_str, 30160Sstevel@tonic-gate MMU_PAGESHIFT, 30170Sstevel@tonic-gate TTE8K, 30180Sstevel@tonic-gate sizeof (struct sf_hment), 30190Sstevel@tonic-gate OFFSET(struct sf_hment, hme_tte), 30200Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_tag), 30210Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_nextpa), 30220Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_misc), 30230Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_hme), 30240Sstevel@tonic-gate NHMENTS, 30250Sstevel@tonic-gate HBLK_SZMASK, 30260Sstevel@tonic-gate HBLK_RANGE_SHIFT, 30270Sstevel@tonic-gate OFFSET(struct hmehash_bucket, hmeh_nextpa), 30280Sstevel@tonic-gate sizeof (struct hmehash_bucket), 30290Sstevel@tonic-gate HTAG_SFMMUPSZ, 3030*4528Spaulsan HTAG_BSPAGE_SHIFT, 3031*4528Spaulsan HTAG_REHASH_SHIFT, 3032*4528Spaulsan SFMMU_INVALID_SHMERID, 30330Sstevel@tonic-gate mmu_hashcnt, 30340Sstevel@tonic-gate (caddr_t)va_to_pa((caddr_t)uhme_hash), 30350Sstevel@tonic-gate (caddr_t)va_to_pa((caddr_t)khme_hash), 30360Sstevel@tonic-gate UHMEHASH_SZ, 30370Sstevel@tonic-gate KHMEHASH_SZ, 30382241Shuah KCONTEXT, 30390Sstevel@tonic-gate KHATID, 30400Sstevel@tonic-gate ASI_MEM); 30410Sstevel@tonic-gate prom_interpret(bp, 0, 0, 0, 0, 0); 30420Sstevel@tonic-gate 30430Sstevel@tonic-gate kobj_free(bp, MMU_PAGESIZE); 30440Sstevel@tonic-gate } 30450Sstevel@tonic-gate 30460Sstevel@tonic-gate void 30470Sstevel@tonic-gate install_va_to_tte(void) 30480Sstevel@tonic-gate { 30490Sstevel@tonic-gate /* 30500Sstevel@tonic-gate * advise prom that he can use unix-tte 30510Sstevel@tonic-gate */ 30520Sstevel@tonic-gate prom_interpret("' unix-tte is va>tte-data", 0, 0, 0, 0, 0); 30530Sstevel@tonic-gate } 30540Sstevel@tonic-gate 30551253Slq150181 /* 30563928Slq150181 * Here we add "device-type=console" for /os-io node, for currently 30573928Slq150181 * our kernel console output only supports displaying text and 30583928Slq150181 * performing cursor-positioning operations (through kernel framebuffer 30593928Slq150181 * driver) and it doesn't support other functionalities required for a 30603928Slq150181 * standard "display" device as specified in 1275 spec. The main missing 30613928Slq150181 * interface defined by the 1275 spec is "draw-logo". 30623928Slq150181 * also see the comments above prom_stdout_is_framebuffer(). 30631253Slq150181 */ 30640Sstevel@tonic-gate static char *create_node = 30651492Slq150181 "\" /\" find-device " 30660Sstevel@tonic-gate "new-device " 30670Sstevel@tonic-gate "\" os-io\" device-name " 30683928Slq150181 "\" "OBP_DISPLAY_CONSOLE"\" device-type " 30690Sstevel@tonic-gate ": cb-r/w ( adr,len method$ -- #read/#written ) " 30700Sstevel@tonic-gate " 2>r swap 2 2r> ['] $callback catch if " 30710Sstevel@tonic-gate " 2drop 3drop 0 " 30720Sstevel@tonic-gate " then " 30730Sstevel@tonic-gate "; " 30740Sstevel@tonic-gate ": read ( adr,len -- #read ) " 30750Sstevel@tonic-gate " \" read\" ['] cb-r/w catch if 2drop 2drop -2 exit then " 30760Sstevel@tonic-gate " ( retN ... ret1 N ) " 30770Sstevel@tonic-gate " ?dup if " 30780Sstevel@tonic-gate " swap >r 1- 0 ?do drop loop r> " 30790Sstevel@tonic-gate " else " 30800Sstevel@tonic-gate " -2 " 30811492Slq150181 " then " 30820Sstevel@tonic-gate "; " 30830Sstevel@tonic-gate ": write ( adr,len -- #written ) " 30840Sstevel@tonic-gate " \" write\" ['] cb-r/w catch if 2drop 2drop 0 exit then " 30850Sstevel@tonic-gate " ( retN ... ret1 N ) " 30860Sstevel@tonic-gate " ?dup if " 30870Sstevel@tonic-gate " swap >r 1- 0 ?do drop loop r> " 30880Sstevel@tonic-gate " else " 30890Sstevel@tonic-gate " 0 " 30900Sstevel@tonic-gate " then " 30910Sstevel@tonic-gate "; " 30920Sstevel@tonic-gate ": poll-tty ( -- ) ; " 30930Sstevel@tonic-gate ": install-abort ( -- ) ['] poll-tty d# 10 alarm ; " 30940Sstevel@tonic-gate ": remove-abort ( -- ) ['] poll-tty 0 alarm ; " 30950Sstevel@tonic-gate ": cb-give/take ( $method -- ) " 30960Sstevel@tonic-gate " 0 -rot ['] $callback catch ?dup if " 30970Sstevel@tonic-gate " >r 2drop 2drop r> throw " 30980Sstevel@tonic-gate " else " 30990Sstevel@tonic-gate " 0 ?do drop loop " 31000Sstevel@tonic-gate " then " 31010Sstevel@tonic-gate "; " 31020Sstevel@tonic-gate ": give ( -- ) \" exit-input\" cb-give/take ; " 31030Sstevel@tonic-gate ": take ( -- ) \" enter-input\" cb-give/take ; " 31040Sstevel@tonic-gate ": open ( -- ok? ) true ; " 31050Sstevel@tonic-gate ": close ( -- ) ; " 31060Sstevel@tonic-gate "finish-device " 31070Sstevel@tonic-gate "device-end "; 31080Sstevel@tonic-gate 31090Sstevel@tonic-gate /* 31101253Slq150181 * Create the OBP input/output node (FCode serial driver). 31111253Slq150181 * It is needed for both USB console keyboard and for 31121253Slq150181 * the kernel terminal emulator. It is too early to check for a 31131253Slq150181 * kernel console compatible framebuffer now, so we create this 31141253Slq150181 * so that we're ready if we need to enable kernel terminal emulation. 31150Sstevel@tonic-gate * 31161253Slq150181 * When the USB software takes over the input device at the time 31171253Slq150181 * consconfig runs, OBP's stdin is redirected to this node. 31181253Slq150181 * Whenever the FORTH user interface is used after this switch, 31191253Slq150181 * the node will call back into the kernel for console input. 31201253Slq150181 * If a serial device such as ttya or a UART with a Type 5 keyboard 31211253Slq150181 * attached is used, OBP takes over the serial device when the system 31221253Slq150181 * goes to the debugger after the system is booted. This sharing 31231253Slq150181 * of the relatively simple serial device is difficult but possible. 31241253Slq150181 * Sharing the USB host controller is impossible due its complexity. 31251253Slq150181 * 31261253Slq150181 * Similarly to USB keyboard input redirection, after consconfig_dacf 31271253Slq150181 * configures a kernel console framebuffer as the standard output 31281253Slq150181 * device, OBP's stdout is switched to to vector through the 31291253Slq150181 * /os-io node into the kernel terminal emulator. 31300Sstevel@tonic-gate */ 31310Sstevel@tonic-gate static void 31321253Slq150181 startup_create_io_node(void) 31330Sstevel@tonic-gate { 31341253Slq150181 prom_interpret(create_node, 0, 0, 0, 0, 0); 31350Sstevel@tonic-gate } 31360Sstevel@tonic-gate 31370Sstevel@tonic-gate 31380Sstevel@tonic-gate static void 31390Sstevel@tonic-gate do_prom_version_check(void) 31400Sstevel@tonic-gate { 31410Sstevel@tonic-gate int i; 3142789Sahrens pnode_t node; 31430Sstevel@tonic-gate char buf[64]; 31440Sstevel@tonic-gate static char drev[] = "Down-rev firmware detected%s\n" 3145*4528Spaulsan "\tPlease upgrade to the following minimum version:\n" 3146*4528Spaulsan "\t\t%s\n"; 31470Sstevel@tonic-gate 31480Sstevel@tonic-gate i = prom_version_check(buf, sizeof (buf), &node); 31490Sstevel@tonic-gate 31500Sstevel@tonic-gate if (i == PROM_VER64_OK) 31510Sstevel@tonic-gate return; 31520Sstevel@tonic-gate 31530Sstevel@tonic-gate if (i == PROM_VER64_UPGRADE) { 31540Sstevel@tonic-gate cmn_err(CE_WARN, drev, "", buf); 31550Sstevel@tonic-gate 31560Sstevel@tonic-gate #ifdef DEBUG 31570Sstevel@tonic-gate prom_enter_mon(); /* Type 'go' to continue */ 31580Sstevel@tonic-gate cmn_err(CE_WARN, "Booting with down-rev firmware\n"); 31590Sstevel@tonic-gate return; 31600Sstevel@tonic-gate #else 31610Sstevel@tonic-gate halt(0); 31620Sstevel@tonic-gate #endif 31630Sstevel@tonic-gate } 31640Sstevel@tonic-gate 31650Sstevel@tonic-gate /* 31660Sstevel@tonic-gate * The other possibility is that this is a server running 31670Sstevel@tonic-gate * good firmware, but down-rev firmware was detected on at 31680Sstevel@tonic-gate * least one other cpu board. We just complain if we see 31690Sstevel@tonic-gate * that. 31700Sstevel@tonic-gate */ 31710Sstevel@tonic-gate cmn_err(CE_WARN, drev, " on one or more CPU boards", buf); 31720Sstevel@tonic-gate } 31730Sstevel@tonic-gate 31740Sstevel@tonic-gate static void 31750Sstevel@tonic-gate kpm_init() 31760Sstevel@tonic-gate { 31770Sstevel@tonic-gate kpm_pgshft = (kpm_smallpages == 0) ? MMU_PAGESHIFT4M : MMU_PAGESHIFT; 31780Sstevel@tonic-gate kpm_pgsz = 1ull << kpm_pgshft; 31790Sstevel@tonic-gate kpm_pgoff = kpm_pgsz - 1; 31800Sstevel@tonic-gate kpmp2pshft = kpm_pgshft - PAGESHIFT; 31810Sstevel@tonic-gate kpmpnpgs = 1 << kpmp2pshft; 31820Sstevel@tonic-gate ASSERT(((uintptr_t)kpm_vbase & (kpm_pgsz - 1)) == 0); 31830Sstevel@tonic-gate } 31840Sstevel@tonic-gate 31850Sstevel@tonic-gate void 31860Sstevel@tonic-gate kpm_npages_setup(int memblocks) 31870Sstevel@tonic-gate { 31880Sstevel@tonic-gate /* 31890Sstevel@tonic-gate * npages can be scattered in a maximum of 'memblocks' 31900Sstevel@tonic-gate */ 31910Sstevel@tonic-gate kpm_npages = ptokpmpr(npages) + memblocks; 31920Sstevel@tonic-gate } 31930Sstevel@tonic-gate 31940Sstevel@tonic-gate /* 31950Sstevel@tonic-gate * Must be defined in platform dependent code. 31960Sstevel@tonic-gate */ 31970Sstevel@tonic-gate extern caddr_t modtext; 31980Sstevel@tonic-gate extern size_t modtext_sz; 31990Sstevel@tonic-gate extern caddr_t moddata; 32000Sstevel@tonic-gate 32010Sstevel@tonic-gate #define HEAPTEXT_ARENA(addr) \ 32020Sstevel@tonic-gate ((uintptr_t)(addr) < KERNELBASE + 2 * MMU_PAGESIZE4M ? 0 : \ 32030Sstevel@tonic-gate (((uintptr_t)(addr) - HEAPTEXT_BASE) / \ 32040Sstevel@tonic-gate (HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED) + 1)) 32050Sstevel@tonic-gate 32060Sstevel@tonic-gate #define HEAPTEXT_OVERSIZED(addr) \ 32070Sstevel@tonic-gate ((uintptr_t)(addr) >= HEAPTEXT_BASE + HEAPTEXT_SIZE - HEAPTEXT_OVERSIZE) 32080Sstevel@tonic-gate 32090Sstevel@tonic-gate vmem_t *texthole_source[HEAPTEXT_NARENAS]; 32100Sstevel@tonic-gate vmem_t *texthole_arena[HEAPTEXT_NARENAS]; 32110Sstevel@tonic-gate kmutex_t texthole_lock; 32120Sstevel@tonic-gate 32130Sstevel@tonic-gate char kern_bootargs[OBP_MAXPATHLEN]; 32140Sstevel@tonic-gate 32150Sstevel@tonic-gate void 32160Sstevel@tonic-gate kobj_vmem_init(vmem_t **text_arena, vmem_t **data_arena) 32170Sstevel@tonic-gate { 32180Sstevel@tonic-gate uintptr_t addr, limit; 32190Sstevel@tonic-gate 32200Sstevel@tonic-gate addr = HEAPTEXT_BASE; 32210Sstevel@tonic-gate limit = addr + HEAPTEXT_SIZE - HEAPTEXT_OVERSIZE; 32220Sstevel@tonic-gate 32230Sstevel@tonic-gate /* 32240Sstevel@tonic-gate * Before we initialize the text_arena, we want to punch holes in the 32250Sstevel@tonic-gate * underlying heaptext_arena. This guarantees that for any text 32260Sstevel@tonic-gate * address we can find a text hole less than HEAPTEXT_MAPPED away. 32270Sstevel@tonic-gate */ 32280Sstevel@tonic-gate for (; addr + HEAPTEXT_UNMAPPED <= limit; 32290Sstevel@tonic-gate addr += HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED) { 32300Sstevel@tonic-gate (void) vmem_xalloc(heaptext_arena, HEAPTEXT_UNMAPPED, PAGESIZE, 32310Sstevel@tonic-gate 0, 0, (void *)addr, (void *)(addr + HEAPTEXT_UNMAPPED), 32320Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 32330Sstevel@tonic-gate } 32340Sstevel@tonic-gate 32350Sstevel@tonic-gate /* 32360Sstevel@tonic-gate * Allocate one page at the oversize to break up the text region 32370Sstevel@tonic-gate * from the oversized region. 32380Sstevel@tonic-gate */ 32390Sstevel@tonic-gate (void) vmem_xalloc(heaptext_arena, PAGESIZE, PAGESIZE, 0, 0, 32400Sstevel@tonic-gate (void *)limit, (void *)(limit + PAGESIZE), 32410Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 32420Sstevel@tonic-gate 32433791Skchow *text_arena = vmem_create("module_text", modtext_sz ? modtext : NULL, 32443791Skchow modtext_sz, sizeof (uintptr_t), segkmem_alloc, segkmem_free, 32450Sstevel@tonic-gate heaptext_arena, 0, VM_SLEEP); 32460Sstevel@tonic-gate *data_arena = vmem_create("module_data", moddata, MODDATA, 1, 32470Sstevel@tonic-gate segkmem_alloc, segkmem_free, heap32_arena, 0, VM_SLEEP); 32480Sstevel@tonic-gate } 32490Sstevel@tonic-gate 32500Sstevel@tonic-gate caddr_t 32510Sstevel@tonic-gate kobj_text_alloc(vmem_t *arena, size_t size) 32520Sstevel@tonic-gate { 32530Sstevel@tonic-gate caddr_t rval, better; 32540Sstevel@tonic-gate 32550Sstevel@tonic-gate /* 32560Sstevel@tonic-gate * First, try a sleeping allocation. 32570Sstevel@tonic-gate */ 32580Sstevel@tonic-gate rval = vmem_alloc(arena, size, VM_SLEEP | VM_BESTFIT); 32590Sstevel@tonic-gate 32600Sstevel@tonic-gate if (size >= HEAPTEXT_MAPPED || !HEAPTEXT_OVERSIZED(rval)) 32610Sstevel@tonic-gate return (rval); 32620Sstevel@tonic-gate 32630Sstevel@tonic-gate /* 32640Sstevel@tonic-gate * We didn't get the area that we wanted. We're going to try to do an 32650Sstevel@tonic-gate * allocation with explicit constraints. 32660Sstevel@tonic-gate */ 32670Sstevel@tonic-gate better = vmem_xalloc(arena, size, sizeof (uintptr_t), 0, 0, NULL, 32680Sstevel@tonic-gate (void *)(HEAPTEXT_BASE + HEAPTEXT_SIZE - HEAPTEXT_OVERSIZE), 32690Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT); 32700Sstevel@tonic-gate 32710Sstevel@tonic-gate if (better != NULL) { 32720Sstevel@tonic-gate /* 32730Sstevel@tonic-gate * That worked. Free our first attempt and return. 32740Sstevel@tonic-gate */ 32750Sstevel@tonic-gate vmem_free(arena, rval, size); 32760Sstevel@tonic-gate return (better); 32770Sstevel@tonic-gate } 32780Sstevel@tonic-gate 32790Sstevel@tonic-gate /* 32800Sstevel@tonic-gate * That didn't work; we'll have to return our first attempt. 32810Sstevel@tonic-gate */ 32820Sstevel@tonic-gate return (rval); 32830Sstevel@tonic-gate } 32840Sstevel@tonic-gate 32850Sstevel@tonic-gate caddr_t 32860Sstevel@tonic-gate kobj_texthole_alloc(caddr_t addr, size_t size) 32870Sstevel@tonic-gate { 32880Sstevel@tonic-gate int arena = HEAPTEXT_ARENA(addr); 32890Sstevel@tonic-gate char c[30]; 32900Sstevel@tonic-gate uintptr_t base; 32910Sstevel@tonic-gate 32920Sstevel@tonic-gate if (HEAPTEXT_OVERSIZED(addr)) { 32930Sstevel@tonic-gate /* 32940Sstevel@tonic-gate * If this is an oversized allocation, there is no text hole 32950Sstevel@tonic-gate * available for it; return NULL. 32960Sstevel@tonic-gate */ 32970Sstevel@tonic-gate return (NULL); 32980Sstevel@tonic-gate } 32990Sstevel@tonic-gate 33000Sstevel@tonic-gate mutex_enter(&texthole_lock); 33010Sstevel@tonic-gate 33020Sstevel@tonic-gate if (texthole_arena[arena] == NULL) { 33030Sstevel@tonic-gate ASSERT(texthole_source[arena] == NULL); 33040Sstevel@tonic-gate 33050Sstevel@tonic-gate if (arena == 0) { 33060Sstevel@tonic-gate texthole_source[0] = vmem_create("module_text_holesrc", 33070Sstevel@tonic-gate (void *)(KERNELBASE + MMU_PAGESIZE4M), 33080Sstevel@tonic-gate MMU_PAGESIZE4M, PAGESIZE, NULL, NULL, NULL, 33090Sstevel@tonic-gate 0, VM_SLEEP); 33100Sstevel@tonic-gate } else { 33110Sstevel@tonic-gate base = HEAPTEXT_BASE + 33120Sstevel@tonic-gate (arena - 1) * (HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED); 33130Sstevel@tonic-gate 33140Sstevel@tonic-gate (void) snprintf(c, sizeof (c), 33150Sstevel@tonic-gate "heaptext_holesrc_%d", arena); 33160Sstevel@tonic-gate 33170Sstevel@tonic-gate texthole_source[arena] = vmem_create(c, (void *)base, 33180Sstevel@tonic-gate HEAPTEXT_UNMAPPED, PAGESIZE, NULL, NULL, NULL, 33190Sstevel@tonic-gate 0, VM_SLEEP); 33200Sstevel@tonic-gate } 33210Sstevel@tonic-gate 33220Sstevel@tonic-gate (void) snprintf(c, sizeof (c), "heaptext_hole_%d", arena); 33230Sstevel@tonic-gate 33240Sstevel@tonic-gate texthole_arena[arena] = vmem_create(c, NULL, 0, 33250Sstevel@tonic-gate sizeof (uint32_t), segkmem_alloc_permanent, segkmem_free, 33260Sstevel@tonic-gate texthole_source[arena], 0, VM_SLEEP); 33270Sstevel@tonic-gate } 33280Sstevel@tonic-gate 33290Sstevel@tonic-gate mutex_exit(&texthole_lock); 33300Sstevel@tonic-gate 33310Sstevel@tonic-gate ASSERT(texthole_arena[arena] != NULL); 33320Sstevel@tonic-gate ASSERT(arena >= 0 && arena < HEAPTEXT_NARENAS); 33330Sstevel@tonic-gate return (vmem_alloc(texthole_arena[arena], size, 33340Sstevel@tonic-gate VM_BESTFIT | VM_NOSLEEP)); 33350Sstevel@tonic-gate } 33360Sstevel@tonic-gate 33370Sstevel@tonic-gate void 33380Sstevel@tonic-gate kobj_texthole_free(caddr_t addr, size_t size) 33390Sstevel@tonic-gate { 33400Sstevel@tonic-gate int arena = HEAPTEXT_ARENA(addr); 33410Sstevel@tonic-gate 33420Sstevel@tonic-gate ASSERT(arena >= 0 && arena < HEAPTEXT_NARENAS); 33430Sstevel@tonic-gate ASSERT(texthole_arena[arena] != NULL); 33440Sstevel@tonic-gate vmem_free(texthole_arena[arena], addr, size); 33450Sstevel@tonic-gate } 3346