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 /* 23*5872Ssetje * Copyright 2008 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); 974878Sblakej extern int size_pse_array(pgcnt_t, int); 982296Sae112802 990Sstevel@tonic-gate /* 1000Sstevel@tonic-gate * External Data: 1010Sstevel@tonic-gate */ 1020Sstevel@tonic-gate extern int vac_size; /* cache size in bytes */ 1030Sstevel@tonic-gate extern uint_t vac_mask; /* VAC alignment consistency mask */ 1040Sstevel@tonic-gate extern uint_t vac_colors; 1050Sstevel@tonic-gate 1060Sstevel@tonic-gate /* 1070Sstevel@tonic-gate * Global Data Definitions: 1080Sstevel@tonic-gate */ 1090Sstevel@tonic-gate 1100Sstevel@tonic-gate /* 1110Sstevel@tonic-gate * XXX - Don't port this to new architectures 1120Sstevel@tonic-gate * A 3rd party volume manager driver (vxdm) depends on the symbol romp. 1130Sstevel@tonic-gate * 'romp' has no use with a prom with an IEEE 1275 client interface. 1140Sstevel@tonic-gate * The driver doesn't use the value, but it depends on the symbol. 1150Sstevel@tonic-gate */ 1160Sstevel@tonic-gate void *romp; /* veritas driver won't load without romp 4154976 */ 1170Sstevel@tonic-gate /* 1180Sstevel@tonic-gate * Declare these as initialized data so we can patch them. 1190Sstevel@tonic-gate */ 1200Sstevel@tonic-gate pgcnt_t physmem = 0; /* memory size in pages, patch if you want less */ 1210Sstevel@tonic-gate pgcnt_t segkpsize = 1220Sstevel@tonic-gate btop(SEGKPDEFSIZE); /* size of segkp segment in pages */ 1230Sstevel@tonic-gate uint_t segmap_percent = 12; /* Size of segmap segment */ 1240Sstevel@tonic-gate 1250Sstevel@tonic-gate int use_cache = 1; /* cache not reliable (605 bugs) with MP */ 1260Sstevel@tonic-gate int vac_copyback = 1; 1270Sstevel@tonic-gate char *cache_mode = NULL; 1280Sstevel@tonic-gate int use_mix = 1; 1290Sstevel@tonic-gate int prom_debug = 0; 1300Sstevel@tonic-gate 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 1520Sstevel@tonic-gate size_t ndata_remain_sz; /* bytes from end of data to 4MB boundary */ 1530Sstevel@tonic-gate caddr_t nalloc_base; /* beginning of nucleus allocation */ 1540Sstevel@tonic-gate caddr_t nalloc_end; /* end of nucleus allocatable memory */ 1550Sstevel@tonic-gate caddr_t valloc_base; /* beginning of kvalloc segment */ 1560Sstevel@tonic-gate 1570Sstevel@tonic-gate caddr_t kmem64_base; /* base of kernel mem segment in 64-bit space */ 1580Sstevel@tonic-gate caddr_t kmem64_end; /* end of kernel mem segment in 64-bit space */ 1595648Ssetje size_t kmem64_sz; /* bytes in kernel mem segment, 64-bit space */ 1603764Sdp78419 caddr_t kmem64_aligned_end; /* end of large page, overmaps 64-bit space */ 1613764Sdp78419 int kmem64_szc; /* page size code */ 1623764Sdp78419 uint64_t kmem64_pabase = (uint64_t)-1; /* physical address of kmem64_base */ 1630Sstevel@tonic-gate 1642296Sae112802 uintptr_t shm_alignment; /* VAC address consistency modulus */ 1650Sstevel@tonic-gate struct memlist *phys_install; /* Total installed physical memory */ 1660Sstevel@tonic-gate struct memlist *phys_avail; /* Available (unreserved) physical memory */ 1670Sstevel@tonic-gate struct memlist *virt_avail; /* Available (unmapped?) virtual memory */ 1685648Ssetje struct memlist *nopp_list; /* pages with no backing page structs */ 1690Sstevel@tonic-gate struct memlist ndata; /* memlist of nucleus allocatable memory */ 1700Sstevel@tonic-gate int memexp_flag; /* memory expansion card flag */ 1710Sstevel@tonic-gate uint64_t ecache_flushaddr; /* physical address used for flushing E$ */ 1720Sstevel@tonic-gate pgcnt_t obp_pages; /* Physical pages used by OBP */ 1730Sstevel@tonic-gate 1740Sstevel@tonic-gate /* 1750Sstevel@tonic-gate * VM data structures 1760Sstevel@tonic-gate */ 1770Sstevel@tonic-gate long page_hashsz; /* Size of page hash table (power of two) */ 1780Sstevel@tonic-gate struct page *pp_base; /* Base of system page struct array */ 1790Sstevel@tonic-gate size_t pp_sz; /* Size in bytes of page struct array */ 1800Sstevel@tonic-gate struct page **page_hash; /* Page hash table */ 1814878Sblakej pad_mutex_t *pse_mutex; /* Locks protecting pp->p_selock */ 1824878Sblakej size_t pse_table_size; /* Number of mutexes in pse_mutex[] */ 1834878Sblakej int pse_shift; /* log2(pse_table_size) */ 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 1925648Ssetje void *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 2205648Ssetje struct memseg *memseg_free; 2215648Ssetje 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 2325358Sjc25722 caddr_t mpo_heap32_buf = NULL; 2335358Sjc25722 size_t mpo_heap32_bufsz = 0; 2340Sstevel@tonic-gate 2350Sstevel@tonic-gate /* 2360Sstevel@tonic-gate * Static Routines: 2370Sstevel@tonic-gate */ 2385648Ssetje static int ndata_alloc_memseg(struct memlist *, size_t); 2395648Ssetje static void memlist_new(uint64_t, uint64_t, struct memlist **); 2405648Ssetje static void memlist_add(uint64_t, uint64_t, 2415648Ssetje struct memlist **, struct memlist **); 2425648Ssetje static void kphysm_init(void); 2430Sstevel@tonic-gate static void kvm_init(void); 2445648Ssetje static void install_kmem64_tte(void); 2450Sstevel@tonic-gate 2460Sstevel@tonic-gate static void startup_init(void); 2470Sstevel@tonic-gate static void startup_memlist(void); 2480Sstevel@tonic-gate static void startup_modules(void); 2490Sstevel@tonic-gate static void startup_bop_gone(void); 2500Sstevel@tonic-gate static void startup_vm(void); 2510Sstevel@tonic-gate static void startup_end(void); 2520Sstevel@tonic-gate static void setup_cage_params(void); 2531253Slq150181 static void startup_create_io_node(void); 2540Sstevel@tonic-gate 2550Sstevel@tonic-gate static pgcnt_t npages; 2560Sstevel@tonic-gate static struct memlist *memlist; 2570Sstevel@tonic-gate void *memlist_end; 2580Sstevel@tonic-gate 2590Sstevel@tonic-gate static pgcnt_t bop_alloc_pages; 2600Sstevel@tonic-gate static caddr_t hblk_base; 2610Sstevel@tonic-gate uint_t hblk_alloc_dynamic = 0; 2620Sstevel@tonic-gate uint_t hblk1_min = H1MIN; 2630Sstevel@tonic-gate 2640Sstevel@tonic-gate 2650Sstevel@tonic-gate /* 2660Sstevel@tonic-gate * Hooks for unsupported platforms and down-rev firmware 2670Sstevel@tonic-gate */ 2680Sstevel@tonic-gate int iam_positron(void); 2690Sstevel@tonic-gate #pragma weak iam_positron 2700Sstevel@tonic-gate static void do_prom_version_check(void); 2710Sstevel@tonic-gate 2720Sstevel@tonic-gate /* 2730Sstevel@tonic-gate * After receiving a thermal interrupt, this is the number of seconds 2740Sstevel@tonic-gate * to delay before shutting off the system, assuming 2750Sstevel@tonic-gate * shutdown fails. Use /etc/system to change the delay if this isn't 2760Sstevel@tonic-gate * large enough. 2770Sstevel@tonic-gate */ 2780Sstevel@tonic-gate int thermal_powerdown_delay = 1200; 2790Sstevel@tonic-gate 2800Sstevel@tonic-gate /* 2810Sstevel@tonic-gate * Used to hold off page relocations into the cage until OBP has completed 2820Sstevel@tonic-gate * its boot-time handoff of its resources to the kernel. 2830Sstevel@tonic-gate */ 2840Sstevel@tonic-gate int page_relocate_ready = 0; 2850Sstevel@tonic-gate 2860Sstevel@tonic-gate /* 2870Sstevel@tonic-gate * Enable some debugging messages concerning memory usage... 2880Sstevel@tonic-gate */ 2890Sstevel@tonic-gate #ifdef DEBUGGING_MEM 2900Sstevel@tonic-gate static int debugging_mem; 2910Sstevel@tonic-gate static void 2920Sstevel@tonic-gate printmemlist(char *title, struct memlist *list) 2930Sstevel@tonic-gate { 2940Sstevel@tonic-gate if (!debugging_mem) 2950Sstevel@tonic-gate return; 2960Sstevel@tonic-gate 2970Sstevel@tonic-gate printf("%s\n", title); 2980Sstevel@tonic-gate 2990Sstevel@tonic-gate while (list) { 3000Sstevel@tonic-gate prom_printf("\taddr = 0x%x %8x, size = 0x%x %8x\n", 3010Sstevel@tonic-gate (uint32_t)(list->address >> 32), (uint32_t)list->address, 3020Sstevel@tonic-gate (uint32_t)(list->size >> 32), (uint32_t)(list->size)); 3030Sstevel@tonic-gate list = list->next; 3040Sstevel@tonic-gate } 3050Sstevel@tonic-gate } 3060Sstevel@tonic-gate 3070Sstevel@tonic-gate void 3080Sstevel@tonic-gate printmemseg(struct memseg *memseg) 3090Sstevel@tonic-gate { 3100Sstevel@tonic-gate if (!debugging_mem) 3110Sstevel@tonic-gate return; 3120Sstevel@tonic-gate 3130Sstevel@tonic-gate printf("memseg\n"); 3140Sstevel@tonic-gate 3150Sstevel@tonic-gate while (memseg) { 3160Sstevel@tonic-gate prom_printf("\tpage = 0x%p, epage = 0x%p, " 3170Sstevel@tonic-gate "pfn = 0x%x, epfn = 0x%x\n", 3180Sstevel@tonic-gate memseg->pages, memseg->epages, 3190Sstevel@tonic-gate memseg->pages_base, memseg->pages_end); 3200Sstevel@tonic-gate memseg = memseg->next; 3210Sstevel@tonic-gate } 3220Sstevel@tonic-gate } 3230Sstevel@tonic-gate 3240Sstevel@tonic-gate #define debug_pause(str) halt((str)) 3250Sstevel@tonic-gate #define MPRINTF(str) if (debugging_mem) prom_printf((str)) 3260Sstevel@tonic-gate #define MPRINTF1(str, a) if (debugging_mem) prom_printf((str), (a)) 3270Sstevel@tonic-gate #define MPRINTF2(str, a, b) if (debugging_mem) prom_printf((str), (a), (b)) 3280Sstevel@tonic-gate #define MPRINTF3(str, a, b, c) \ 3290Sstevel@tonic-gate if (debugging_mem) prom_printf((str), (a), (b), (c)) 3300Sstevel@tonic-gate #else /* DEBUGGING_MEM */ 3310Sstevel@tonic-gate #define MPRINTF(str) 3320Sstevel@tonic-gate #define MPRINTF1(str, a) 3330Sstevel@tonic-gate #define MPRINTF2(str, a, b) 3340Sstevel@tonic-gate #define MPRINTF3(str, a, b, c) 3350Sstevel@tonic-gate #endif /* DEBUGGING_MEM */ 3360Sstevel@tonic-gate 3370Sstevel@tonic-gate 3380Sstevel@tonic-gate /* 3390Sstevel@tonic-gate * 3400Sstevel@tonic-gate * Kernel's Virtual Memory Layout. 3410Sstevel@tonic-gate * /-----------------------\ 3420Sstevel@tonic-gate * 0xFFFFFFFF.FFFFFFFF -| |- 3430Sstevel@tonic-gate * | OBP's virtual page | 3440Sstevel@tonic-gate * | tables | 3450Sstevel@tonic-gate * 0xFFFFFFFC.00000000 -|-----------------------|- 3460Sstevel@tonic-gate * : : 3470Sstevel@tonic-gate * : : 3483290Sjohansen * -|-----------------------|- 3493290Sjohansen * | segzio | (base and size vary) 3500Sstevel@tonic-gate * 0xFFFFFE00.00000000 -|-----------------------|- 3510Sstevel@tonic-gate * | | Ultrasparc I/II support 3520Sstevel@tonic-gate * | segkpm segment | up to 2TB of physical 3530Sstevel@tonic-gate * | (64-bit kernel ONLY) | memory, VAC has 2 colors 3540Sstevel@tonic-gate * | | 3550Sstevel@tonic-gate * 0xFFFFFA00.00000000 -|-----------------------|- 2TB segkpm alignment 3560Sstevel@tonic-gate * : : 3570Sstevel@tonic-gate * : : 3580Sstevel@tonic-gate * 0xFFFFF810.00000000 -|-----------------------|- hole_end 3590Sstevel@tonic-gate * | | ^ 3600Sstevel@tonic-gate * | UltraSPARC I/II call | | 3610Sstevel@tonic-gate * | bug requires an extra | | 3620Sstevel@tonic-gate * | 4 GB of space between | | 3630Sstevel@tonic-gate * | hole and used RAM | | 3640Sstevel@tonic-gate * | | | 3650Sstevel@tonic-gate * 0xFFFFF800.00000000 -|-----------------------|- | 3660Sstevel@tonic-gate * | | | 3670Sstevel@tonic-gate * | Virtual Address Hole | UltraSPARC 3680Sstevel@tonic-gate * | on UltraSPARC I/II | I/II * ONLY * 3690Sstevel@tonic-gate * | | | 3700Sstevel@tonic-gate * 0x00000800.00000000 -|-----------------------|- | 3710Sstevel@tonic-gate * | | | 3720Sstevel@tonic-gate * | UltraSPARC I/II call | | 3730Sstevel@tonic-gate * | bug requires an extra | | 3740Sstevel@tonic-gate * | 4 GB of space between | | 3750Sstevel@tonic-gate * | hole and used RAM | | 3760Sstevel@tonic-gate * | | v 3770Sstevel@tonic-gate * 0x000007FF.00000000 -|-----------------------|- hole_start ----- 3780Sstevel@tonic-gate * : : ^ 3790Sstevel@tonic-gate * : : | 3805648Ssetje * |-----------------------| | 3815648Ssetje * | | | 3825648Ssetje * | ecache flush area | | 3835648Ssetje * | (twice largest e$) | | 3845648Ssetje * | | | 3853764Sdp78419 * 0x00000XXX.XXX00000 -|-----------------------|- kmem64_ | 3863764Sdp78419 * | overmapped area | alignend_end | 3873764Sdp78419 * | (kmem64_alignsize | | 3883764Sdp78419 * | boundary) | | 3890Sstevel@tonic-gate * 0x00000XXX.XXXXXXXX -|-----------------------|- kmem64_end | 3900Sstevel@tonic-gate * | | | 3910Sstevel@tonic-gate * | 64-bit kernel ONLY | | 3920Sstevel@tonic-gate * | | | 3930Sstevel@tonic-gate * | kmem64 segment | | 3940Sstevel@tonic-gate * | | | 3950Sstevel@tonic-gate * | (Relocated extra HME | Approximately 3960Sstevel@tonic-gate * | block allocations, | 1 TB of virtual 3970Sstevel@tonic-gate * | memnode freelists, | address space 3980Sstevel@tonic-gate * | HME hash buckets, | | 3990Sstevel@tonic-gate * | mml_table, kpmp_table,| | 4000Sstevel@tonic-gate * | page_t array and | | 4010Sstevel@tonic-gate * | hashblock pool to | | 4020Sstevel@tonic-gate * | avoid hard-coded | | 4030Sstevel@tonic-gate * | 32-bit vaddr | | 4040Sstevel@tonic-gate * | limitations) | | 4050Sstevel@tonic-gate * | | v 4060Sstevel@tonic-gate * 0x00000700.00000000 -|-----------------------|- SYSLIMIT (kmem64_base) 4070Sstevel@tonic-gate * | | 4080Sstevel@tonic-gate * | segkmem segment | (SYSLIMIT - SYSBASE = 4TB) 4090Sstevel@tonic-gate * | | 4100Sstevel@tonic-gate * 0x00000300.00000000 -|-----------------------|- SYSBASE 4110Sstevel@tonic-gate * : : 4120Sstevel@tonic-gate * : : 4130Sstevel@tonic-gate * -|-----------------------|- 4140Sstevel@tonic-gate * | | 4150Sstevel@tonic-gate * | segmap segment | SEGMAPSIZE (1/8th physmem, 4160Sstevel@tonic-gate * | | 256G MAX) 4170Sstevel@tonic-gate * 0x000002a7.50000000 -|-----------------------|- SEGMAPBASE 4180Sstevel@tonic-gate * : : 4190Sstevel@tonic-gate * : : 4200Sstevel@tonic-gate * -|-----------------------|- 4210Sstevel@tonic-gate * | | 4220Sstevel@tonic-gate * | segkp | SEGKPSIZE (2GB) 4230Sstevel@tonic-gate * | | 4240Sstevel@tonic-gate * | | 4250Sstevel@tonic-gate * 0x000002a1.00000000 -|-----------------------|- SEGKPBASE 4260Sstevel@tonic-gate * | | 4270Sstevel@tonic-gate * 0x000002a0.00000000 -|-----------------------|- MEMSCRUBBASE 4280Sstevel@tonic-gate * | | (SEGKPBASE - 0x400000) 4290Sstevel@tonic-gate * 0x0000029F.FFE00000 -|-----------------------|- ARGSBASE 4300Sstevel@tonic-gate * | | (MEMSCRUBBASE - NCARGS) 4310Sstevel@tonic-gate * 0x0000029F.FFD80000 -|-----------------------|- PPMAPBASE 4320Sstevel@tonic-gate * | | (ARGSBASE - PPMAPSIZE) 4330Sstevel@tonic-gate * 0x0000029F.FFD00000 -|-----------------------|- PPMAP_FAST_BASE 4340Sstevel@tonic-gate * | | 4350Sstevel@tonic-gate * 0x0000029F.FF980000 -|-----------------------|- PIOMAPBASE 4360Sstevel@tonic-gate * | | 4370Sstevel@tonic-gate * 0x0000029F.FF580000 -|-----------------------|- NARG_BASE 4380Sstevel@tonic-gate * : : 4390Sstevel@tonic-gate * : : 4400Sstevel@tonic-gate * 0x00000000.FFFFFFFF -|-----------------------|- OFW_END_ADDR 4410Sstevel@tonic-gate * | | 4420Sstevel@tonic-gate * | OBP | 4430Sstevel@tonic-gate * | | 4440Sstevel@tonic-gate * 0x00000000.F0000000 -|-----------------------|- OFW_START_ADDR 4450Sstevel@tonic-gate * | kmdb | 4460Sstevel@tonic-gate * 0x00000000.EDD00000 -|-----------------------|- SEGDEBUGBASE 4470Sstevel@tonic-gate * : : 4480Sstevel@tonic-gate * : : 4490Sstevel@tonic-gate * 0x00000000.7c000000 -|-----------------------|- SYSLIMIT32 4500Sstevel@tonic-gate * | | 4510Sstevel@tonic-gate * | segkmem32 segment | (SYSLIMIT32 - SYSBASE32 = 4520Sstevel@tonic-gate * | | ~64MB) 4535648Ssetje * 0x00000000.70002000 -|-----------------------| 4540Sstevel@tonic-gate * | panicbuf | 4555648Ssetje * 0x00000000.70000000 -|-----------------------|- SYSBASE32 4565648Ssetje * | boot-time | 4575648Ssetje * | temporary space | 4585648Ssetje * 0x00000000.4C000000 -|-----------------------|- BOOTTMPBASE 4590Sstevel@tonic-gate * : : 4600Sstevel@tonic-gate * : : 4610Sstevel@tonic-gate * | | 4620Sstevel@tonic-gate * |-----------------------|- econtig32 4630Sstevel@tonic-gate * | vm structures | 4640Sstevel@tonic-gate * 0x00000000.01C00000 |-----------------------|- nalloc_end 4650Sstevel@tonic-gate * | TSBs | 4660Sstevel@tonic-gate * |-----------------------|- end/nalloc_base 4670Sstevel@tonic-gate * | kernel data & bss | 4680Sstevel@tonic-gate * 0x00000000.01800000 -|-----------------------| 4690Sstevel@tonic-gate * : nucleus text hole : 4700Sstevel@tonic-gate * 0x00000000.01400000 -|-----------------------| 4710Sstevel@tonic-gate * : : 4720Sstevel@tonic-gate * |-----------------------| 4730Sstevel@tonic-gate * | module text | 4740Sstevel@tonic-gate * |-----------------------|- e_text/modtext 4750Sstevel@tonic-gate * | kernel text | 4760Sstevel@tonic-gate * |-----------------------| 4770Sstevel@tonic-gate * | trap table (48k) | 4780Sstevel@tonic-gate * 0x00000000.01000000 -|-----------------------|- KERNELBASE 4790Sstevel@tonic-gate * | reserved for trapstat |} TSTAT_TOTAL_SIZE 4800Sstevel@tonic-gate * |-----------------------| 4810Sstevel@tonic-gate * | | 4820Sstevel@tonic-gate * | invalid | 4830Sstevel@tonic-gate * | | 4840Sstevel@tonic-gate * 0x00000000.00000000 _|_______________________| 4850Sstevel@tonic-gate * 4860Sstevel@tonic-gate * 4870Sstevel@tonic-gate * 4880Sstevel@tonic-gate * 32-bit User Virtual Memory Layout. 4890Sstevel@tonic-gate * /-----------------------\ 4900Sstevel@tonic-gate * | | 4910Sstevel@tonic-gate * | invalid | 4920Sstevel@tonic-gate * | | 4930Sstevel@tonic-gate * 0xFFC00000 -|-----------------------|- USERLIMIT 4940Sstevel@tonic-gate * | user stack | 4950Sstevel@tonic-gate * : : 4960Sstevel@tonic-gate * : : 4970Sstevel@tonic-gate * : : 4980Sstevel@tonic-gate * | user data | 4990Sstevel@tonic-gate * -|-----------------------|- 5000Sstevel@tonic-gate * | user text | 5010Sstevel@tonic-gate * 0x00002000 -|-----------------------|- 5020Sstevel@tonic-gate * | invalid | 5030Sstevel@tonic-gate * 0x00000000 _|_______________________| 5040Sstevel@tonic-gate * 5050Sstevel@tonic-gate * 5060Sstevel@tonic-gate * 5070Sstevel@tonic-gate * 64-bit User Virtual Memory Layout. 5080Sstevel@tonic-gate * /-----------------------\ 5090Sstevel@tonic-gate * | | 5100Sstevel@tonic-gate * | invalid | 5110Sstevel@tonic-gate * | | 5120Sstevel@tonic-gate * 0xFFFFFFFF.80000000 -|-----------------------|- USERLIMIT 5130Sstevel@tonic-gate * | user stack | 5140Sstevel@tonic-gate * : : 5150Sstevel@tonic-gate * : : 5160Sstevel@tonic-gate * : : 5170Sstevel@tonic-gate * | user data | 5180Sstevel@tonic-gate * -|-----------------------|- 5190Sstevel@tonic-gate * | user text | 5205648Ssetje * 0x00000000.01000000 -|-----------------------|- 5210Sstevel@tonic-gate * | invalid | 5220Sstevel@tonic-gate * 0x00000000.00000000 _|_______________________| 5230Sstevel@tonic-gate */ 5240Sstevel@tonic-gate 5250Sstevel@tonic-gate extern caddr_t ecache_init_scrub_flush_area(caddr_t alloc_base); 5260Sstevel@tonic-gate extern uint64_t ecache_flush_address(void); 5270Sstevel@tonic-gate 5280Sstevel@tonic-gate #pragma weak load_platform_modules 5291772Sjl139090 #pragma weak plat_startup_memlist 5300Sstevel@tonic-gate #pragma weak ecache_init_scrub_flush_area 5310Sstevel@tonic-gate #pragma weak ecache_flush_address 5320Sstevel@tonic-gate 5330Sstevel@tonic-gate 5340Sstevel@tonic-gate /* 5350Sstevel@tonic-gate * By default the DR Cage is enabled for maximum OS 5360Sstevel@tonic-gate * MPSS performance. Users needing to disable the cage mechanism 5370Sstevel@tonic-gate * can set this variable to zero via /etc/system. 5380Sstevel@tonic-gate * Disabling the cage on systems supporting Dynamic Reconfiguration (DR) 5390Sstevel@tonic-gate * will result in loss of DR functionality. 5400Sstevel@tonic-gate * Platforms wishing to disable kernel Cage by default 5410Sstevel@tonic-gate * should do so in their set_platform_defaults() routine. 5420Sstevel@tonic-gate */ 5430Sstevel@tonic-gate int kernel_cage_enable = 1; 5440Sstevel@tonic-gate 5450Sstevel@tonic-gate static void 5460Sstevel@tonic-gate setup_cage_params(void) 5470Sstevel@tonic-gate { 5480Sstevel@tonic-gate void (*func)(void); 5490Sstevel@tonic-gate 5500Sstevel@tonic-gate func = (void (*)(void))kobj_getsymvalue("set_platform_cage_params", 0); 5510Sstevel@tonic-gate if (func != NULL) { 5520Sstevel@tonic-gate (*func)(); 5530Sstevel@tonic-gate return; 5540Sstevel@tonic-gate } 5550Sstevel@tonic-gate 5560Sstevel@tonic-gate if (kernel_cage_enable == 0) { 5570Sstevel@tonic-gate return; 5580Sstevel@tonic-gate } 5594266Sdp78419 kcage_range_init(phys_avail, KCAGE_DOWN, total_pages / 256); 5600Sstevel@tonic-gate 5610Sstevel@tonic-gate if (kcage_on) { 5620Sstevel@tonic-gate cmn_err(CE_NOTE, "!Kernel Cage is ENABLED"); 5630Sstevel@tonic-gate } else { 5640Sstevel@tonic-gate cmn_err(CE_NOTE, "!Kernel Cage is DISABLED"); 5650Sstevel@tonic-gate } 5660Sstevel@tonic-gate 5670Sstevel@tonic-gate } 5680Sstevel@tonic-gate 5690Sstevel@tonic-gate /* 5700Sstevel@tonic-gate * Machine-dependent startup code 5710Sstevel@tonic-gate */ 5720Sstevel@tonic-gate void 5730Sstevel@tonic-gate startup(void) 5740Sstevel@tonic-gate { 5750Sstevel@tonic-gate startup_init(); 5760Sstevel@tonic-gate if (&startup_platform) 5770Sstevel@tonic-gate startup_platform(); 5780Sstevel@tonic-gate startup_memlist(); 5790Sstevel@tonic-gate startup_modules(); 5800Sstevel@tonic-gate setup_cage_params(); 5810Sstevel@tonic-gate startup_bop_gone(); 5820Sstevel@tonic-gate startup_vm(); 5830Sstevel@tonic-gate startup_end(); 5840Sstevel@tonic-gate } 5850Sstevel@tonic-gate 5860Sstevel@tonic-gate struct regs sync_reg_buf; 5870Sstevel@tonic-gate uint64_t sync_tt; 5880Sstevel@tonic-gate 5890Sstevel@tonic-gate void 5900Sstevel@tonic-gate sync_handler(void) 5910Sstevel@tonic-gate { 5925084Sjohnlev struct panic_trap_info ti; 5930Sstevel@tonic-gate int i; 5940Sstevel@tonic-gate 5950Sstevel@tonic-gate /* 5960Sstevel@tonic-gate * Prevent trying to talk to the other CPUs since they are 5970Sstevel@tonic-gate * sitting in the prom and won't reply. 5980Sstevel@tonic-gate */ 5990Sstevel@tonic-gate for (i = 0; i < NCPU; i++) { 6000Sstevel@tonic-gate if ((i != CPU->cpu_id) && CPU_XCALL_READY(i)) { 6010Sstevel@tonic-gate cpu[i]->cpu_flags &= ~CPU_READY; 6020Sstevel@tonic-gate cpu[i]->cpu_flags |= CPU_QUIESCED; 6030Sstevel@tonic-gate CPUSET_DEL(cpu_ready_set, cpu[i]->cpu_id); 6040Sstevel@tonic-gate } 6050Sstevel@tonic-gate } 6060Sstevel@tonic-gate 6070Sstevel@tonic-gate /* 6080Sstevel@tonic-gate * We've managed to get here without going through the 6090Sstevel@tonic-gate * normal panic code path. Try and save some useful 6100Sstevel@tonic-gate * information. 6110Sstevel@tonic-gate */ 6120Sstevel@tonic-gate if (!panicstr && (curthread->t_panic_trap == NULL)) { 6130Sstevel@tonic-gate ti.trap_type = sync_tt; 6140Sstevel@tonic-gate ti.trap_regs = &sync_reg_buf; 6150Sstevel@tonic-gate ti.trap_addr = NULL; 6160Sstevel@tonic-gate ti.trap_mmu_fsr = 0x0; 6170Sstevel@tonic-gate 6180Sstevel@tonic-gate curthread->t_panic_trap = &ti; 6190Sstevel@tonic-gate } 6200Sstevel@tonic-gate 6210Sstevel@tonic-gate /* 6220Sstevel@tonic-gate * If we're re-entering the panic path, update the signature 6230Sstevel@tonic-gate * block so that the SC knows we're in the second part of panic. 6240Sstevel@tonic-gate */ 6250Sstevel@tonic-gate if (panicstr) 6260Sstevel@tonic-gate CPU_SIGNATURE(OS_SIG, SIGST_EXIT, SIGSUBST_DUMP, -1); 6270Sstevel@tonic-gate 6280Sstevel@tonic-gate nopanicdebug = 1; /* do not perform debug_enter() prior to dump */ 6290Sstevel@tonic-gate panic("sync initiated"); 6300Sstevel@tonic-gate } 6310Sstevel@tonic-gate 6320Sstevel@tonic-gate 6330Sstevel@tonic-gate static void 6340Sstevel@tonic-gate startup_init(void) 6350Sstevel@tonic-gate { 6360Sstevel@tonic-gate /* 6370Sstevel@tonic-gate * We want to save the registers while we're still in OBP 6380Sstevel@tonic-gate * so that we know they haven't been fiddled with since. 6390Sstevel@tonic-gate * (In principle, OBP can't change them just because it 6400Sstevel@tonic-gate * makes a callback, but we'd rather not depend on that 6410Sstevel@tonic-gate * behavior.) 6420Sstevel@tonic-gate */ 6430Sstevel@tonic-gate char sync_str[] = 6444528Spaulsan "warning @ warning off : sync " 6454528Spaulsan "%%tl-c %%tstate h# %p x! " 6464528Spaulsan "%%g1 h# %p x! %%g2 h# %p x! %%g3 h# %p x! " 6474528Spaulsan "%%g4 h# %p x! %%g5 h# %p x! %%g6 h# %p x! " 6484528Spaulsan "%%g7 h# %p x! %%o0 h# %p x! %%o1 h# %p x! " 6494528Spaulsan "%%o2 h# %p x! %%o3 h# %p x! %%o4 h# %p x! " 6504528Spaulsan "%%o5 h# %p x! %%o6 h# %p x! %%o7 h# %p x! " 6514528Spaulsan "%%tl-c %%tpc h# %p x! %%tl-c %%tnpc h# %p x! " 6524528Spaulsan "%%y h# %p l! %%tl-c %%tt h# %p x! " 6534528Spaulsan "sync ; warning !"; 6540Sstevel@tonic-gate 6550Sstevel@tonic-gate /* 6560Sstevel@tonic-gate * 20 == num of %p substrings 6570Sstevel@tonic-gate * 16 == max num of chars %p will expand to. 6580Sstevel@tonic-gate */ 6590Sstevel@tonic-gate char bp[sizeof (sync_str) + 16 * 20]; 6600Sstevel@tonic-gate 6610Sstevel@tonic-gate /* 6620Sstevel@tonic-gate * Initialize ptl1 stack for the 1st CPU. 6630Sstevel@tonic-gate */ 6640Sstevel@tonic-gate ptl1_init_cpu(&cpu0); 6650Sstevel@tonic-gate 6660Sstevel@tonic-gate /* 6670Sstevel@tonic-gate * Initialize the address map for cache consistent mappings 6680Sstevel@tonic-gate * to random pages; must be done after vac_size is set. 6690Sstevel@tonic-gate */ 6700Sstevel@tonic-gate ppmapinit(); 6710Sstevel@tonic-gate 6720Sstevel@tonic-gate /* 6730Sstevel@tonic-gate * Initialize the PROM callback handler. 6740Sstevel@tonic-gate */ 6750Sstevel@tonic-gate init_vx_handler(); 6760Sstevel@tonic-gate 6770Sstevel@tonic-gate /* 6780Sstevel@tonic-gate * have prom call sync_callback() to handle the sync and 6790Sstevel@tonic-gate * save some useful information which will be stored in the 6800Sstevel@tonic-gate * core file later. 6810Sstevel@tonic-gate */ 6820Sstevel@tonic-gate (void) sprintf((char *)bp, sync_str, 6834528Spaulsan (void *)&sync_reg_buf.r_tstate, (void *)&sync_reg_buf.r_g1, 6844528Spaulsan (void *)&sync_reg_buf.r_g2, (void *)&sync_reg_buf.r_g3, 6854528Spaulsan (void *)&sync_reg_buf.r_g4, (void *)&sync_reg_buf.r_g5, 6864528Spaulsan (void *)&sync_reg_buf.r_g6, (void *)&sync_reg_buf.r_g7, 6874528Spaulsan (void *)&sync_reg_buf.r_o0, (void *)&sync_reg_buf.r_o1, 6884528Spaulsan (void *)&sync_reg_buf.r_o2, (void *)&sync_reg_buf.r_o3, 6894528Spaulsan (void *)&sync_reg_buf.r_o4, (void *)&sync_reg_buf.r_o5, 6904528Spaulsan (void *)&sync_reg_buf.r_o6, (void *)&sync_reg_buf.r_o7, 6914528Spaulsan (void *)&sync_reg_buf.r_pc, (void *)&sync_reg_buf.r_npc, 6924528Spaulsan (void *)&sync_reg_buf.r_y, (void *)&sync_tt); 6930Sstevel@tonic-gate prom_interpret(bp, 0, 0, 0, 0, 0); 6940Sstevel@tonic-gate add_vx_handler("sync", 1, (void (*)(cell_t *))sync_handler); 6950Sstevel@tonic-gate } 6960Sstevel@tonic-gate 6975648Ssetje 6985648Ssetje size_t 6995648Ssetje calc_pp_sz(pgcnt_t npages) 7005648Ssetje { 7015648Ssetje 7025648Ssetje return (npages * sizeof (struct page)); 7035648Ssetje } 7045648Ssetje 7055648Ssetje size_t 7065648Ssetje calc_kpmpp_sz(pgcnt_t npages) 7075648Ssetje { 7085648Ssetje 7095648Ssetje kpm_pgshft = (kpm_smallpages == 0) ? MMU_PAGESHIFT4M : MMU_PAGESHIFT; 7105648Ssetje kpm_pgsz = 1ull << kpm_pgshft; 7115648Ssetje kpm_pgoff = kpm_pgsz - 1; 7125648Ssetje kpmp2pshft = kpm_pgshft - PAGESHIFT; 7135648Ssetje kpmpnpgs = 1 << kpmp2pshft; 7145648Ssetje 7155648Ssetje if (kpm_smallpages == 0) { 7165648Ssetje /* 7175648Ssetje * Avoid fragmentation problems in kphysm_init() 7185648Ssetje * by allocating for all of physical memory 7195648Ssetje */ 7205648Ssetje kpm_npages = ptokpmpr(physinstalled); 7215648Ssetje return (kpm_npages * sizeof (kpm_page_t)); 7225648Ssetje } else { 7235648Ssetje kpm_npages = npages; 7245648Ssetje return (kpm_npages * sizeof (kpm_spage_t)); 7255648Ssetje } 7265648Ssetje } 7275648Ssetje 7285648Ssetje size_t 7295648Ssetje calc_pagehash_sz(pgcnt_t npages) 7305648Ssetje { 7315648Ssetje 7325648Ssetje /* 7335648Ssetje * The page structure hash table size is a power of 2 7345648Ssetje * such that the average hash chain length is PAGE_HASHAVELEN. 7355648Ssetje */ 7365648Ssetje page_hashsz = npages / PAGE_HASHAVELEN; 7375648Ssetje page_hashsz = 1 << highbit(page_hashsz); 7385648Ssetje return (page_hashsz * sizeof (struct page *)); 7395648Ssetje } 7405648Ssetje 7415648Ssetje void 7425648Ssetje alloc_kmem64(caddr_t base, caddr_t end) 7435648Ssetje { 7445648Ssetje int i; 7455648Ssetje caddr_t aligned_end = NULL; 7465648Ssetje 7475648Ssetje /* 7485648Ssetje * Make one large memory alloc after figuring out the 64-bit size. This 7495648Ssetje * will enable use of the largest page size appropriate for the system 7505648Ssetje * architecture. 7515648Ssetje */ 7525648Ssetje ASSERT(mmu_exported_pagesize_mask & (1 << TTE8K)); 7535648Ssetje ASSERT(IS_P2ALIGNED(base, TTEBYTES(max_bootlp_tteszc))); 7545648Ssetje for (i = max_bootlp_tteszc; i >= TTE8K; i--) { 7555648Ssetje size_t alloc_size, alignsize; 7565648Ssetje #if !defined(C_OBP) 7575648Ssetje unsigned long long pa; 7585648Ssetje #endif /* !C_OBP */ 7595648Ssetje 7605648Ssetje if ((mmu_exported_pagesize_mask & (1 << i)) == 0) 7615648Ssetje continue; 7625648Ssetje alignsize = TTEBYTES(i); 7635648Ssetje kmem64_szc = i; 7645648Ssetje 7655648Ssetje /* limit page size for small memory */ 7665648Ssetje if (mmu_btop(alignsize) > (npages >> 2)) 7675648Ssetje continue; 7685648Ssetje 7695648Ssetje aligned_end = (caddr_t)roundup((uintptr_t)end, alignsize); 7705648Ssetje alloc_size = aligned_end - base; 7715648Ssetje #if !defined(C_OBP) 7725648Ssetje if (prom_allocate_phys(alloc_size, alignsize, &pa) == 0) { 7735648Ssetje if (prom_claim_virt(alloc_size, base) != (caddr_t)-1) { 7745648Ssetje kmem64_pabase = pa; 7755648Ssetje kmem64_aligned_end = aligned_end; 7765648Ssetje install_kmem64_tte(); 7775648Ssetje break; 7785648Ssetje } else { 7795648Ssetje prom_free_phys(alloc_size, pa); 7805648Ssetje } 7815648Ssetje } 7825648Ssetje #else /* !C_OBP */ 7835648Ssetje if (prom_alloc(base, alloc_size, alignsize) == base) { 7845648Ssetje kmem64_pabase = va_to_pa(kmem64_base); 7855648Ssetje kmem64_aligned_end = aligned_end; 7865648Ssetje break; 7875648Ssetje } 7885648Ssetje #endif /* !C_OBP */ 7895648Ssetje if (i == TTE8K) { 7905648Ssetje prom_panic("kmem64 allocation failure"); 7915648Ssetje } 7925648Ssetje } 7935648Ssetje ASSERT(aligned_end != NULL); 7945648Ssetje } 7955648Ssetje 7965648Ssetje static prom_memlist_t *boot_physinstalled, *boot_physavail, *boot_virtavail; 7970Sstevel@tonic-gate static size_t boot_physinstalled_len, boot_physavail_len, boot_virtavail_len; 7980Sstevel@tonic-gate 7995648Ssetje #define IVSIZE roundup(((MAXIVNUM * sizeof (intr_vec_t *)) + \ 8005648Ssetje (MAX_RSVD_IV * sizeof (intr_vec_t)) + \ 8015648Ssetje (MAX_RSVD_IVX * sizeof (intr_vecx_t))), PAGESIZE) 8020Sstevel@tonic-gate 8033764Sdp78419 #if !defined(C_OBP) 8043764Sdp78419 /* 8053764Sdp78419 * Install a temporary tte handler in OBP for kmem64 area. 8063764Sdp78419 * 8073764Sdp78419 * We map kmem64 area with large pages before the trap table is taken 8083764Sdp78419 * over. Since OBP makes 8K mappings, it can create 8K tlb entries in 8093764Sdp78419 * the same area. Duplicate tlb entries with different page sizes 8103764Sdp78419 * cause unpredicatble behavior. To avoid this, we don't create 8113764Sdp78419 * kmem64 mappings via BOP_ALLOC (ends up as prom_alloc() call to 8123764Sdp78419 * OBP). Instead, we manage translations with a temporary va>tte-data 8133764Sdp78419 * handler (kmem64-tte). This handler is replaced by unix-tte when 8143764Sdp78419 * the trap table is taken over. 8153764Sdp78419 * 8163764Sdp78419 * The temporary handler knows the physical address of the kmem64 8173764Sdp78419 * area. It uses the prom's pgmap@ Forth word for other addresses. 8183764Sdp78419 * 8193764Sdp78419 * We have to use BOP_ALLOC() method for C-OBP platforms because 8203764Sdp78419 * pgmap@ is not defined in C-OBP. C-OBP is only used on serengeti 8213764Sdp78419 * sun4u platforms. On sun4u we flush tlb after trap table is taken 8223764Sdp78419 * over if we use large pages for kernel heap and kmem64. Since sun4u 8233764Sdp78419 * prom (unlike sun4v) calls va>tte-data first for client address 8243764Sdp78419 * translation prom's ttes for kmem64 can't get into TLB even if we 8253764Sdp78419 * later switch to prom's trap table again. C-OBP uses 4M pages for 8263764Sdp78419 * client mappings when possible so on all platforms we get the 8273764Sdp78419 * benefit from large mappings for kmem64 area immediately during 8283764Sdp78419 * boot. 8293764Sdp78419 * 8303764Sdp78419 * pseudo code: 8313764Sdp78419 * if (context != 0) { 8323764Sdp78419 * return false 8333764Sdp78419 * } else if (miss_va in range[kmem64_base, kmem64_end)) { 8343764Sdp78419 * tte = tte_template + 8353764Sdp78419 * (((miss_va & pagemask) - kmem64_base)); 8363764Sdp78419 * return tte, true 8373764Sdp78419 * } else { 8383764Sdp78419 * return pgmap@ result 8393764Sdp78419 * } 8403764Sdp78419 */ 8413764Sdp78419 char kmem64_obp_str[] = 8425648Ssetje "h# %lx constant kmem64-base " 8435648Ssetje "h# %lx constant kmem64-end " 8445648Ssetje "h# %lx constant kmem64-pagemask " 8455648Ssetje "h# %lx constant kmem64-template " 8463764Sdp78419 8473764Sdp78419 ": kmem64-tte ( addr cnum -- false | tte-data true ) " 8483764Sdp78419 " if ( addr ) " 8493764Sdp78419 " drop false exit then ( false ) " 8505648Ssetje " dup kmem64-base kmem64-end within if ( addr ) " 8515648Ssetje " kmem64-pagemask and ( addr' ) " 8525648Ssetje " kmem64-base - ( addr' ) " 8535648Ssetje " kmem64-template + ( tte ) " 8543764Sdp78419 " true ( tte true ) " 8553764Sdp78419 " else ( addr ) " 8563764Sdp78419 " pgmap@ ( tte ) " 8573764Sdp78419 " dup 0< if true else drop false then ( tte true | false ) " 8583764Sdp78419 " then ( tte true | false ) " 8593764Sdp78419 "; " 8603764Sdp78419 8613764Sdp78419 "' kmem64-tte is va>tte-data " 8623764Sdp78419 ; 8633764Sdp78419 8645648Ssetje static void 8653764Sdp78419 install_kmem64_tte() 8663764Sdp78419 { 8673764Sdp78419 char b[sizeof (kmem64_obp_str) + (4 * 16)]; 8683764Sdp78419 tte_t tte; 8693764Sdp78419 8703764Sdp78419 PRM_DEBUG(kmem64_pabase); 8713764Sdp78419 PRM_DEBUG(kmem64_szc); 8723764Sdp78419 sfmmu_memtte(&tte, kmem64_pabase >> MMU_PAGESHIFT, 8733764Sdp78419 PROC_DATA | HAT_NOSYNC, kmem64_szc); 8743764Sdp78419 PRM_DEBUG(tte.ll); 8753764Sdp78419 (void) sprintf(b, kmem64_obp_str, 8763764Sdp78419 kmem64_base, kmem64_end, TTE_PAGEMASK(kmem64_szc), tte.ll); 8773764Sdp78419 ASSERT(strlen(b) < sizeof (b)); 8783764Sdp78419 prom_interpret(b, 0, 0, 0, 0, 0); 8793764Sdp78419 } 8803764Sdp78419 #endif /* !C_OBP */ 8813764Sdp78419 8820Sstevel@tonic-gate /* 8830Sstevel@tonic-gate * As OBP takes up some RAM when the system boots, pages will already be "lost" 8840Sstevel@tonic-gate * to the system and reflected in npages by the time we see it. 8850Sstevel@tonic-gate * 8860Sstevel@tonic-gate * We only want to allocate kernel structures in the 64-bit virtual address 8870Sstevel@tonic-gate * space on systems with enough RAM to make the overhead of keeping track of 8880Sstevel@tonic-gate * an extra kernel memory segment worthwhile. 8890Sstevel@tonic-gate * 8900Sstevel@tonic-gate * Since OBP has already performed its memory allocations by this point, if we 8910Sstevel@tonic-gate * have more than MINMOVE_RAM_MB MB of RAM left free, go ahead and map 8920Sstevel@tonic-gate * memory in the 64-bit virtual address space; otherwise keep allocations 8930Sstevel@tonic-gate * contiguous with we've mapped so far in the 32-bit virtual address space. 8940Sstevel@tonic-gate */ 8950Sstevel@tonic-gate #define MINMOVE_RAM_MB ((size_t)1900) 8960Sstevel@tonic-gate #define MB_TO_BYTES(mb) ((mb) * 1048576ul) 897*5872Ssetje #define BYTES_TO_MB(b) ((b) / 1048576ul) 8980Sstevel@tonic-gate 8990Sstevel@tonic-gate pgcnt_t tune_npages = (pgcnt_t) 9000Sstevel@tonic-gate (MB_TO_BYTES(MINMOVE_RAM_MB)/ (size_t)MMU_PAGESIZE); 9010Sstevel@tonic-gate 9023733Sdp78419 #pragma weak page_set_colorequiv_arr_cpu 9033733Sdp78419 extern void page_set_colorequiv_arr_cpu(void); 9045648Ssetje extern void page_set_colorequiv_arr(void); 9055648Ssetje 906*5872Ssetje static pgcnt_t ramdisk_npages; 907*5872Ssetje static struct memlist *old_phys_avail; 908*5872Ssetje 909*5872Ssetje kcage_dir_t kcage_startup_dir = KCAGE_DOWN; 9103733Sdp78419 9110Sstevel@tonic-gate static void 9120Sstevel@tonic-gate startup_memlist(void) 9130Sstevel@tonic-gate { 9145648Ssetje size_t hmehash_sz, pagelist_sz, tt_sz; 9155648Ssetje size_t psetable_sz; 9160Sstevel@tonic-gate caddr_t alloc_base; 9170Sstevel@tonic-gate caddr_t memspace; 9180Sstevel@tonic-gate struct memlist *cur; 9190Sstevel@tonic-gate size_t syslimit = (size_t)SYSLIMIT; 9200Sstevel@tonic-gate size_t sysbase = (size_t)SYSBASE; 9210Sstevel@tonic-gate 9220Sstevel@tonic-gate /* 9230Sstevel@tonic-gate * Initialize enough of the system to allow kmem_alloc to work by 9240Sstevel@tonic-gate * calling boot to allocate its memory until the time that 9250Sstevel@tonic-gate * kvm_init is completed. The page structs are allocated after 9260Sstevel@tonic-gate * rounding up end to the nearest page boundary; the memsegs are 9270Sstevel@tonic-gate * initialized and the space they use comes from the kernel heap. 9280Sstevel@tonic-gate * With appropriate initialization, they can be reallocated later 9290Sstevel@tonic-gate * to a size appropriate for the machine's configuration. 9300Sstevel@tonic-gate * 9310Sstevel@tonic-gate * At this point, memory is allocated for things that will never 9320Sstevel@tonic-gate * need to be freed, this used to be "valloced". This allows a 9330Sstevel@tonic-gate * savings as the pages don't need page structures to describe 9340Sstevel@tonic-gate * them because them will not be managed by the vm system. 9350Sstevel@tonic-gate */ 9360Sstevel@tonic-gate 9370Sstevel@tonic-gate /* 9380Sstevel@tonic-gate * We're loaded by boot with the following configuration (as 9390Sstevel@tonic-gate * specified in the sun4u/conf/Mapfile): 9400Sstevel@tonic-gate * 9410Sstevel@tonic-gate * text: 4 MB chunk aligned on a 4MB boundary 9420Sstevel@tonic-gate * data & bss: 4 MB chunk aligned on a 4MB boundary 9430Sstevel@tonic-gate * 9440Sstevel@tonic-gate * These two chunks will eventually be mapped by 2 locked 4MB 9450Sstevel@tonic-gate * ttes and will represent the nucleus of the kernel. This gives 9460Sstevel@tonic-gate * us some free space that is already allocated, some or all of 9470Sstevel@tonic-gate * which is made available to kernel module text. 9480Sstevel@tonic-gate * 9490Sstevel@tonic-gate * The free space in the data-bss chunk is used for nucleus 9500Sstevel@tonic-gate * allocatable data structures and we reserve it using the 9510Sstevel@tonic-gate * nalloc_base and nalloc_end variables. This space is currently 9520Sstevel@tonic-gate * being used for hat data structures required for tlb miss 9530Sstevel@tonic-gate * handling operations. We align nalloc_base to a l2 cache 9540Sstevel@tonic-gate * linesize because this is the line size the hardware uses to 9550Sstevel@tonic-gate * maintain cache coherency. 9565648Ssetje * 512K is carved out for module data. 9570Sstevel@tonic-gate */ 9580Sstevel@tonic-gate 9595648Ssetje moddata = (caddr_t)roundup((uintptr_t)e_data, MMU_PAGESIZE); 9605648Ssetje e_moddata = moddata + MODDATA; 9610Sstevel@tonic-gate nalloc_base = e_moddata; 9620Sstevel@tonic-gate 9630Sstevel@tonic-gate nalloc_end = (caddr_t)roundup((uintptr_t)nalloc_base, MMU_PAGESIZE4M); 9640Sstevel@tonic-gate valloc_base = nalloc_base; 9650Sstevel@tonic-gate 9660Sstevel@tonic-gate /* 9670Sstevel@tonic-gate * Calculate the start of the data segment. 9680Sstevel@tonic-gate */ 9695648Ssetje if (((uintptr_t)e_moddata & MMU_PAGEMASK4M) != (uintptr_t)s_data) 9705648Ssetje prom_panic("nucleus data overflow"); 9710Sstevel@tonic-gate 9720Sstevel@tonic-gate PRM_DEBUG(moddata); 9730Sstevel@tonic-gate PRM_DEBUG(nalloc_base); 9740Sstevel@tonic-gate PRM_DEBUG(nalloc_end); 9750Sstevel@tonic-gate 9760Sstevel@tonic-gate /* 9770Sstevel@tonic-gate * Remember any slop after e_text so we can give it to the modules. 9780Sstevel@tonic-gate */ 9790Sstevel@tonic-gate PRM_DEBUG(e_text); 9800Sstevel@tonic-gate modtext = (caddr_t)roundup((uintptr_t)e_text, MMU_PAGESIZE); 9813791Skchow if (((uintptr_t)e_text & MMU_PAGEMASK4M) != (uintptr_t)s_text) 9823764Sdp78419 prom_panic("nucleus text overflow"); 9830Sstevel@tonic-gate modtext_sz = (caddr_t)roundup((uintptr_t)modtext, MMU_PAGESIZE4M) - 9840Sstevel@tonic-gate modtext; 9850Sstevel@tonic-gate PRM_DEBUG(modtext); 9860Sstevel@tonic-gate PRM_DEBUG(modtext_sz); 9870Sstevel@tonic-gate 9885648Ssetje init_boot_memlists(); 9890Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 9900Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 9910Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 9925648Ssetje 9930Sstevel@tonic-gate /* 9940Sstevel@tonic-gate * Remember what the physically available highest page is 9950Sstevel@tonic-gate * so that dumpsys works properly, and find out how much 9960Sstevel@tonic-gate * memory is installed. 9970Sstevel@tonic-gate */ 9980Sstevel@tonic-gate installed_top_size_memlist_array(boot_physinstalled, 9990Sstevel@tonic-gate boot_physinstalled_len, &physmax, &physinstalled); 10000Sstevel@tonic-gate PRM_DEBUG(physinstalled); 10010Sstevel@tonic-gate PRM_DEBUG(physmax); 10020Sstevel@tonic-gate 10030Sstevel@tonic-gate /* Fill out memory nodes config structure */ 10040Sstevel@tonic-gate startup_build_mem_nodes(boot_physinstalled, boot_physinstalled_len); 10050Sstevel@tonic-gate 10060Sstevel@tonic-gate /* 10070Sstevel@tonic-gate * npages is the maximum of available physical memory possible. 10080Sstevel@tonic-gate * (ie. it will never be more than this) 10095648Ssetje * 10105648Ssetje * When we boot from a ramdisk, the ramdisk memory isn't free, so 10115648Ssetje * using phys_avail will underestimate what will end up being freed. 10125648Ssetje * A better initial guess is just total memory minus the kernel text 10130Sstevel@tonic-gate */ 10145648Ssetje npages = physinstalled - btop(MMU_PAGESIZE4M); 10150Sstevel@tonic-gate 10160Sstevel@tonic-gate /* 10175648Ssetje * First allocate things that can go in the nucleus data page 10185648Ssetje * (fault status, TSBs, dmv, CPUs) 10190Sstevel@tonic-gate */ 10205648Ssetje ndata_alloc_init(&ndata, (uintptr_t)nalloc_base, (uintptr_t)nalloc_end); 10215648Ssetje 10220Sstevel@tonic-gate if ((&ndata_alloc_mmfsa != NULL) && (ndata_alloc_mmfsa(&ndata) != 0)) 10230Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after mfsa alloc"); 10240Sstevel@tonic-gate 10250Sstevel@tonic-gate if (ndata_alloc_tsbs(&ndata, npages) != 0) 10260Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after tsbs alloc"); 10270Sstevel@tonic-gate 10280Sstevel@tonic-gate if (ndata_alloc_dmv(&ndata) != 0) 10290Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after dmv alloc"); 10300Sstevel@tonic-gate 10315648Ssetje if (ndata_alloc_page_mutexs(&ndata) != 0) 10320Sstevel@tonic-gate cmn_err(CE_PANIC, 10330Sstevel@tonic-gate "no more nucleus memory after page free lists alloc"); 10340Sstevel@tonic-gate 10355648Ssetje if (ndata_alloc_hat(&ndata, npages) != 0) 10360Sstevel@tonic-gate cmn_err(CE_PANIC, "no more nucleus memory after hat alloc"); 10370Sstevel@tonic-gate 10385648Ssetje if (ndata_alloc_memseg(&ndata, boot_physavail_len) != 0) 10395648Ssetje cmn_err(CE_PANIC, "no more nucleus memory after memseg alloc"); 10400Sstevel@tonic-gate 10410Sstevel@tonic-gate /* 10420Sstevel@tonic-gate * WARNING WARNING WARNING WARNING WARNING WARNING WARNING 10430Sstevel@tonic-gate * 10440Sstevel@tonic-gate * There are comments all over the SFMMU code warning of dire 10450Sstevel@tonic-gate * consequences if the TSBs are moved out of 32-bit space. This 10460Sstevel@tonic-gate * is largely because the asm code uses "sethi %hi(addr)"-type 10470Sstevel@tonic-gate * instructions which will not provide the expected result if the 10480Sstevel@tonic-gate * address is a 64-bit one. 10490Sstevel@tonic-gate * 10500Sstevel@tonic-gate * WARNING WARNING WARNING WARNING WARNING WARNING WARNING 10510Sstevel@tonic-gate */ 10520Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)nalloc_end, MMU_PAGESIZE); 10535648Ssetje PRM_DEBUG(alloc_base); 10545648Ssetje 10550Sstevel@tonic-gate alloc_base = sfmmu_ktsb_alloc(alloc_base); 10560Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 10570Sstevel@tonic-gate PRM_DEBUG(alloc_base); 10580Sstevel@tonic-gate 10590Sstevel@tonic-gate /* 10600Sstevel@tonic-gate * Allocate IOMMU TSB array. We do this here so that the physical 10610Sstevel@tonic-gate * memory gets deducted from the PROM's physical memory list. 10620Sstevel@tonic-gate */ 10630Sstevel@tonic-gate alloc_base = iommu_tsb_init(alloc_base); 10645648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 10650Sstevel@tonic-gate PRM_DEBUG(alloc_base); 10660Sstevel@tonic-gate 10670Sstevel@tonic-gate /* 10685648Ssetje * Allow for an early allocation of physically contiguous memory. 10695648Ssetje */ 10705648Ssetje alloc_base = contig_mem_prealloc(alloc_base, npages); 10715648Ssetje 10725648Ssetje /* 10731772Sjl139090 * Platforms like Starcat and OPL need special structures assigned in 10741772Sjl139090 * 32-bit virtual address space because their probing routines execute 10751772Sjl139090 * FCode, and FCode can't handle 64-bit virtual addresses... 10760Sstevel@tonic-gate */ 10771772Sjl139090 if (&plat_startup_memlist) { 10781772Sjl139090 alloc_base = plat_startup_memlist(alloc_base); 10790Sstevel@tonic-gate alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, 10800Sstevel@tonic-gate ecache_alignsize); 10810Sstevel@tonic-gate PRM_DEBUG(alloc_base); 10820Sstevel@tonic-gate } 10830Sstevel@tonic-gate 10840Sstevel@tonic-gate /* 10850Sstevel@tonic-gate * Save off where the contiguous allocations to date have ended 10860Sstevel@tonic-gate * in econtig32. 10870Sstevel@tonic-gate */ 10880Sstevel@tonic-gate econtig32 = alloc_base; 10890Sstevel@tonic-gate PRM_DEBUG(econtig32); 10900Sstevel@tonic-gate if (econtig32 > (caddr_t)KERNEL_LIMIT32) 10910Sstevel@tonic-gate cmn_err(CE_PANIC, "econtig32 too big"); 10920Sstevel@tonic-gate 10935648Ssetje pp_sz = calc_pp_sz(npages); 10945648Ssetje PRM_DEBUG(pp_sz); 10955648Ssetje if (kpm_enable) { 10965648Ssetje kpm_pp_sz = calc_kpmpp_sz(npages); 10975648Ssetje PRM_DEBUG(kpm_pp_sz); 10985648Ssetje } 10995648Ssetje 11005648Ssetje hmehash_sz = calc_hmehash_sz(npages); 11015648Ssetje PRM_DEBUG(hmehash_sz); 11025648Ssetje 11035648Ssetje pagehash_sz = calc_pagehash_sz(npages); 11045648Ssetje PRM_DEBUG(pagehash_sz); 11055648Ssetje 11065648Ssetje pagelist_sz = calc_free_pagelist_sz(); 11075648Ssetje PRM_DEBUG(pagelist_sz); 11085648Ssetje 11095648Ssetje #ifdef TRAPTRACE 11105648Ssetje tt_sz = calc_traptrace_sz(); 11115648Ssetje PRM_DEBUG(tt_sz); 11125648Ssetje #else 11135648Ssetje tt_sz = 0; 11145648Ssetje #endif /* TRAPTRACE */ 11150Sstevel@tonic-gate 11163764Sdp78419 /* 11175648Ssetje * Place the array that protects pp->p_selock in the kmem64 wad. 11183764Sdp78419 */ 11195648Ssetje pse_shift = size_pse_array(physmem, max_ncpus); 11205648Ssetje PRM_DEBUG(pse_shift); 11215648Ssetje pse_table_size = 1 << pse_shift; 11225648Ssetje PRM_DEBUG(pse_table_size); 11235648Ssetje psetable_sz = roundup( 11245648Ssetje pse_table_size * sizeof (pad_mutex_t), ecache_alignsize); 11255648Ssetje PRM_DEBUG(psetable_sz); 11260Sstevel@tonic-gate 11270Sstevel@tonic-gate /* 11285648Ssetje * Now allocate the whole wad 11290Sstevel@tonic-gate */ 11305648Ssetje kmem64_sz = pp_sz + kpm_pp_sz + hmehash_sz + pagehash_sz + 11315648Ssetje pagelist_sz + tt_sz + psetable_sz; 11325648Ssetje kmem64_sz = roundup(kmem64_sz, PAGESIZE); 11335648Ssetje kmem64_base = (caddr_t)syslimit; 11345648Ssetje kmem64_end = kmem64_base + kmem64_sz; 11355648Ssetje alloc_kmem64(kmem64_base, kmem64_end); 11365648Ssetje if (kmem64_aligned_end > (hole_start ? hole_start : kpm_vbase)) 11375648Ssetje cmn_err(CE_PANIC, "not enough kmem64 space"); 11385648Ssetje PRM_DEBUG(kmem64_base); 11395648Ssetje PRM_DEBUG(kmem64_end); 11405648Ssetje PRM_DEBUG(kmem64_aligned_end); 11414204Sha137994 11424204Sha137994 /* 11435648Ssetje * ... and divy it up 11440Sstevel@tonic-gate */ 11455648Ssetje alloc_base = kmem64_base; 1146*5872Ssetje 1147*5872Ssetje if (kpm_smallpages == 0) { 1148*5872Ssetje npages -= kmem64_sz / (PAGESIZE + sizeof (struct page)); 1149*5872Ssetje } else { 1150*5872Ssetje npages -= kmem64_sz / (PAGESIZE + sizeof (struct page) + 1151*5872Ssetje sizeof (kpm_spage_t)); 1152*5872Ssetje } 1153*5872Ssetje 11545648Ssetje pp_base = (page_t *)alloc_base; 11555648Ssetje pp_sz = npages * sizeof (struct page); 11565648Ssetje alloc_base += pp_sz; 11575648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11585648Ssetje PRM_DEBUG(pp_base); 11595648Ssetje PRM_DEBUG(npages); 11605648Ssetje 11615648Ssetje if (kpm_enable) { 11625648Ssetje kpm_pp_base = alloc_base; 11635648Ssetje if (kpm_smallpages == 0) { 11645648Ssetje /* kpm_npages based on physinstalled, don't reset */ 11655648Ssetje kpm_pp_sz = kpm_npages * sizeof (kpm_page_t); 11665648Ssetje } else { 11675648Ssetje kpm_npages = ptokpmpr(npages); 11685648Ssetje kpm_pp_sz = kpm_npages * sizeof (kpm_spage_t); 11690Sstevel@tonic-gate } 11705648Ssetje alloc_base += kpm_pp_sz; 11715648Ssetje alloc_base = 11725648Ssetje (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11735648Ssetje PRM_DEBUG(kpm_pp_base); 11740Sstevel@tonic-gate } 11750Sstevel@tonic-gate 11765648Ssetje alloc_base = alloc_hmehash(alloc_base); 11775648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11785648Ssetje PRM_DEBUG(alloc_base); 11795648Ssetje 11805648Ssetje page_hash = (page_t **)alloc_base; 11815648Ssetje alloc_base += pagehash_sz; 11825648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11835648Ssetje PRM_DEBUG(page_hash); 11845648Ssetje 11855648Ssetje alloc_base = alloc_page_freelists(alloc_base); 11865648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11875648Ssetje PRM_DEBUG(alloc_base); 11885648Ssetje 11895648Ssetje #ifdef TRAPTRACE 11905648Ssetje ttrace_buf = alloc_base; 11915648Ssetje alloc_base += tt_sz; 11925648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11935648Ssetje PRM_DEBUG(alloc_base); 11945648Ssetje #endif /* TRAPTRACE */ 11955648Ssetje 11965648Ssetje pse_mutex = (pad_mutex_t *)alloc_base; 11975648Ssetje alloc_base += psetable_sz; 11985648Ssetje alloc_base = (caddr_t)roundup((uintptr_t)alloc_base, ecache_alignsize); 11995648Ssetje PRM_DEBUG(alloc_base); 12005648Ssetje 12015648Ssetje /* adjust kmem64_end to what we really allocated */ 12025648Ssetje kmem64_end = (caddr_t)roundup((uintptr_t)alloc_base, PAGESIZE); 12035648Ssetje kmem64_sz = kmem64_end - kmem64_base; 12040Sstevel@tonic-gate 12050Sstevel@tonic-gate if (&ecache_init_scrub_flush_area) { 12065648Ssetje alloc_base = ecache_init_scrub_flush_area(kmem64_aligned_end); 12075648Ssetje ASSERT(alloc_base <= (hole_start ? hole_start : kpm_vbase)); 12080Sstevel@tonic-gate } 12090Sstevel@tonic-gate 12100Sstevel@tonic-gate /* 12110Sstevel@tonic-gate * If physmem is patched to be non-zero, use it instead of 12120Sstevel@tonic-gate * the monitor value unless physmem is larger than the total 12130Sstevel@tonic-gate * amount of memory on hand. 12140Sstevel@tonic-gate */ 12150Sstevel@tonic-gate if (physmem == 0 || physmem > npages) 12160Sstevel@tonic-gate physmem = npages; 12170Sstevel@tonic-gate 12180Sstevel@tonic-gate /* 12195648Ssetje * root_is_ramdisk is set via /etc/system when the ramdisk miniroot 12205648Ssetje * is mounted as root. This memory is held down by OBP and unlike 12215648Ssetje * the stub boot_archive is never released. 12220Sstevel@tonic-gate * 12235648Ssetje * In order to get things sized correctly on lower memory 12245648Ssetje * machines (where the memory used by the ramdisk represents 12255648Ssetje * a significant portion of memory), physmem is adjusted. 12265648Ssetje * 12275648Ssetje * This is done by subtracting the ramdisk_size which is set 12285648Ssetje * to the size of the ramdisk (in Kb) in /etc/system at the 12295648Ssetje * time the miniroot archive is constructed. 12300Sstevel@tonic-gate */ 1231*5872Ssetje if (root_is_ramdisk == B_TRUE) { 1232*5872Ssetje ramdisk_npages = (ramdisk_size * 1024) / PAGESIZE; 1233*5872Ssetje physmem -= ramdisk_npages; 1234*5872Ssetje } 12355648Ssetje 12365648Ssetje if (kpm_enable && (ndata_alloc_kpm(&ndata, kpm_npages) != 0)) 12375648Ssetje cmn_err(CE_PANIC, "no more nucleus memory after kpm alloc"); 12380Sstevel@tonic-gate 12394878Sblakej /* 12405648Ssetje * Allocate space for the interrupt vector table. 12413764Sdp78419 */ 12425648Ssetje memspace = prom_alloc((caddr_t)intr_vec_table, IVSIZE, MMU_PAGESIZE); 12432973Sgovinda if (memspace != (caddr_t)intr_vec_table) 12443764Sdp78419 prom_panic("interrupt vector table allocation failure"); 12450Sstevel@tonic-gate 12460Sstevel@tonic-gate /* 12470Sstevel@tonic-gate * Between now and when we finish copying in the memory lists, 12480Sstevel@tonic-gate * allocations happen so the space gets fragmented and the 12495648Ssetje * lists longer. Leave enough space for lists twice as 12505648Ssetje * long as we have now; then roundup to a pagesize. 12510Sstevel@tonic-gate */ 12525648Ssetje memlist_sz = sizeof (struct memlist) * (prom_phys_installed_len() + 12535648Ssetje prom_phys_avail_len() + prom_virt_avail_len()); 12545648Ssetje memlist_sz *= 2; 12555648Ssetje memlist_sz = roundup(memlist_sz, PAGESIZE); 12565648Ssetje memspace = ndata_alloc(&ndata, memlist_sz, ecache_alignsize); 12570Sstevel@tonic-gate if (memspace == NULL) 12585648Ssetje cmn_err(CE_PANIC, "no more nucleus memory after memlist alloc"); 12590Sstevel@tonic-gate 12600Sstevel@tonic-gate memlist = (struct memlist *)memspace; 12610Sstevel@tonic-gate memlist_end = (char *)memspace + memlist_sz; 12620Sstevel@tonic-gate PRM_DEBUG(memlist); 12630Sstevel@tonic-gate PRM_DEBUG(memlist_end); 12645648Ssetje 12650Sstevel@tonic-gate PRM_DEBUG(sysbase); 12660Sstevel@tonic-gate PRM_DEBUG(syslimit); 12670Sstevel@tonic-gate kernelheap_init((void *)sysbase, (void *)syslimit, 12680Sstevel@tonic-gate (caddr_t)sysbase + PAGESIZE, NULL, NULL); 12690Sstevel@tonic-gate 12700Sstevel@tonic-gate /* 12710Sstevel@tonic-gate * Take the most current snapshot we can by calling mem-update. 12720Sstevel@tonic-gate */ 12730Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 12740Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 12750Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 12760Sstevel@tonic-gate 12770Sstevel@tonic-gate /* 12785648Ssetje * Remove the space used by prom_alloc from the kernel heap 12790Sstevel@tonic-gate * plus the area actually used by the OBP (if any) 12800Sstevel@tonic-gate * ignoring virtual addresses in virt_avail, above syslimit. 12810Sstevel@tonic-gate */ 12820Sstevel@tonic-gate virt_avail = memlist; 12830Sstevel@tonic-gate copy_memlist(boot_virtavail, boot_virtavail_len, &memlist); 12840Sstevel@tonic-gate 12850Sstevel@tonic-gate for (cur = virt_avail; cur->next; cur = cur->next) { 12860Sstevel@tonic-gate uint64_t range_base, range_size; 12870Sstevel@tonic-gate 12880Sstevel@tonic-gate if ((range_base = cur->address + cur->size) < (uint64_t)sysbase) 12890Sstevel@tonic-gate continue; 12900Sstevel@tonic-gate if (range_base >= (uint64_t)syslimit) 12910Sstevel@tonic-gate break; 12920Sstevel@tonic-gate /* 12930Sstevel@tonic-gate * Limit the range to end at syslimit. 12940Sstevel@tonic-gate */ 12950Sstevel@tonic-gate range_size = MIN(cur->next->address, 12960Sstevel@tonic-gate (uint64_t)syslimit) - range_base; 12970Sstevel@tonic-gate (void) vmem_xalloc(heap_arena, (size_t)range_size, PAGESIZE, 12980Sstevel@tonic-gate 0, 0, (void *)range_base, (void *)(range_base + range_size), 12990Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 13000Sstevel@tonic-gate } 13010Sstevel@tonic-gate 13020Sstevel@tonic-gate phys_avail = memlist; 13035648Ssetje copy_memlist(boot_physavail, boot_physavail_len, &memlist); 13040Sstevel@tonic-gate 13050Sstevel@tonic-gate /* 13064104Sblakej * Add any extra memory at the end of the ndata region if there's at 13074104Sblakej * least a page to add. There might be a few more pages available in 13084104Sblakej * the middle of the ndata region, but for now they are ignored. 13090Sstevel@tonic-gate */ 13104104Sblakej nalloc_base = ndata_extra_base(&ndata, MMU_PAGESIZE, nalloc_end); 13114104Sblakej if (nalloc_base == NULL) 13120Sstevel@tonic-gate nalloc_base = nalloc_end; 13130Sstevel@tonic-gate ndata_remain_sz = nalloc_end - nalloc_base; 13140Sstevel@tonic-gate 13155648Ssetje /* 13165648Ssetje * Copy physinstalled list into kernel space. 13175648Ssetje */ 13185648Ssetje phys_install = memlist; 13195648Ssetje copy_memlist(boot_physinstalled, boot_physinstalled_len, &memlist); 13205648Ssetje 13215648Ssetje /* 13225648Ssetje * Create list of physical addrs we don't need pp's for: 13235648Ssetje * kernel text 4M page 13245648Ssetje * kernel data 4M page - ndata_remain_sz 13255648Ssetje * kmem64 pages 13265648Ssetje * 13275648Ssetje * NB if adding any pages here, make sure no kpm page 13285648Ssetje * overlaps can occur (see ASSERTs in kphysm_memsegs) 13295648Ssetje */ 13305648Ssetje nopp_list = memlist; 13315648Ssetje memlist_new(va_to_pa(s_text), MMU_PAGESIZE4M, &memlist); 13325648Ssetje memlist_add(va_to_pa(s_data), MMU_PAGESIZE4M - ndata_remain_sz, 13335648Ssetje &memlist, &nopp_list); 13345648Ssetje memlist_add(kmem64_pabase, kmem64_sz, &memlist, &nopp_list); 13350Sstevel@tonic-gate 13360Sstevel@tonic-gate if ((caddr_t)memlist > (memspace + memlist_sz)) 13373764Sdp78419 prom_panic("memlist overflow"); 13380Sstevel@tonic-gate 13390Sstevel@tonic-gate /* 13400Sstevel@tonic-gate * Initialize the page structures from the memory lists. 13410Sstevel@tonic-gate */ 13425648Ssetje kphysm_init(); 13430Sstevel@tonic-gate 13440Sstevel@tonic-gate availrmem_initial = availrmem = freemem; 13450Sstevel@tonic-gate PRM_DEBUG(availrmem); 13460Sstevel@tonic-gate 13470Sstevel@tonic-gate /* 13480Sstevel@tonic-gate * Some of the locks depend on page_hashsz being set! 13490Sstevel@tonic-gate * kmem_init() depends on this; so, keep it here. 13500Sstevel@tonic-gate */ 13510Sstevel@tonic-gate page_lock_init(); 13520Sstevel@tonic-gate 13530Sstevel@tonic-gate /* 13540Sstevel@tonic-gate * Initialize kernel memory allocator. 13550Sstevel@tonic-gate */ 13560Sstevel@tonic-gate kmem_init(); 13570Sstevel@tonic-gate 13580Sstevel@tonic-gate /* 13593717Sdp78419 * Factor in colorequiv to check additional 'equivalent' bins 13603717Sdp78419 */ 13613733Sdp78419 if (&page_set_colorequiv_arr_cpu != NULL) 13623733Sdp78419 page_set_colorequiv_arr_cpu(); 13633733Sdp78419 else 13643733Sdp78419 page_set_colorequiv_arr(); 13653717Sdp78419 13663717Sdp78419 /* 13670Sstevel@tonic-gate * Initialize bp_mapin(). 13680Sstevel@tonic-gate */ 13690Sstevel@tonic-gate bp_init(shm_alignment, HAT_STRICTORDER); 13700Sstevel@tonic-gate 13710Sstevel@tonic-gate /* 13725358Sjc25722 * Reserve space for panicbuf, intr_vec_table, reserved interrupt 13735358Sjc25722 * vector data structures and MPO mblock structs from the 32-bit heap. 13740Sstevel@tonic-gate */ 13750Sstevel@tonic-gate (void) vmem_xalloc(heap32_arena, PANICBUFSIZE, PAGESIZE, 0, 0, 13760Sstevel@tonic-gate panicbuf, panicbuf + PANICBUFSIZE, 13770Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 13780Sstevel@tonic-gate 13790Sstevel@tonic-gate (void) vmem_xalloc(heap32_arena, IVSIZE, PAGESIZE, 0, 0, 13802973Sgovinda intr_vec_table, (caddr_t)intr_vec_table + IVSIZE, 13810Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 13820Sstevel@tonic-gate 13835358Sjc25722 if (mpo_heap32_bufsz > (size_t)0) { 13845358Sjc25722 (void) vmem_xalloc(heap32_arena, mpo_heap32_bufsz, 13855358Sjc25722 PAGESIZE, 0, 0, mpo_heap32_buf, 13865358Sjc25722 mpo_heap32_buf + mpo_heap32_bufsz, 13875358Sjc25722 VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 13885358Sjc25722 } 13890Sstevel@tonic-gate mem_config_init(); 13900Sstevel@tonic-gate } 13910Sstevel@tonic-gate 13920Sstevel@tonic-gate static void 13930Sstevel@tonic-gate startup_modules(void) 13940Sstevel@tonic-gate { 13955648Ssetje int nhblk1, nhblk8; 13960Sstevel@tonic-gate size_t nhblksz; 13973764Sdp78419 pgcnt_t pages_per_hblk; 13980Sstevel@tonic-gate size_t hme8blk_sz, hme1blk_sz; 13990Sstevel@tonic-gate 14000Sstevel@tonic-gate /* 14010Sstevel@tonic-gate * Let the platforms have a chance to change default 14020Sstevel@tonic-gate * values before reading system file. 14030Sstevel@tonic-gate */ 14040Sstevel@tonic-gate if (&set_platform_defaults) 14050Sstevel@tonic-gate set_platform_defaults(); 14060Sstevel@tonic-gate 14070Sstevel@tonic-gate /* 14080Sstevel@tonic-gate * Calculate default settings of system parameters based upon 14090Sstevel@tonic-gate * maxusers, yet allow to be overridden via the /etc/system file. 14100Sstevel@tonic-gate */ 14110Sstevel@tonic-gate param_calc(0); 14120Sstevel@tonic-gate 14130Sstevel@tonic-gate mod_setup(); 14140Sstevel@tonic-gate 14150Sstevel@tonic-gate /* 14160Sstevel@tonic-gate * If this is a positron, complain and halt. 14170Sstevel@tonic-gate */ 14180Sstevel@tonic-gate if (&iam_positron && iam_positron()) { 14190Sstevel@tonic-gate cmn_err(CE_WARN, "This hardware platform is not supported" 14200Sstevel@tonic-gate " by this release of Solaris.\n"); 14210Sstevel@tonic-gate #ifdef DEBUG 14220Sstevel@tonic-gate prom_enter_mon(); /* Type 'go' to resume */ 14230Sstevel@tonic-gate cmn_err(CE_WARN, "Booting an unsupported platform.\n"); 14240Sstevel@tonic-gate cmn_err(CE_WARN, "Booting with down-rev firmware.\n"); 14250Sstevel@tonic-gate 14260Sstevel@tonic-gate #else /* DEBUG */ 14270Sstevel@tonic-gate halt(0); 14280Sstevel@tonic-gate #endif /* DEBUG */ 14290Sstevel@tonic-gate } 14300Sstevel@tonic-gate 14310Sstevel@tonic-gate /* 14320Sstevel@tonic-gate * If we are running firmware that isn't 64-bit ready 14330Sstevel@tonic-gate * then complain and halt. 14340Sstevel@tonic-gate */ 14350Sstevel@tonic-gate do_prom_version_check(); 14360Sstevel@tonic-gate 14370Sstevel@tonic-gate /* 14380Sstevel@tonic-gate * Initialize system parameters 14390Sstevel@tonic-gate */ 14400Sstevel@tonic-gate param_init(); 14410Sstevel@tonic-gate 14420Sstevel@tonic-gate /* 14430Sstevel@tonic-gate * maxmem is the amount of physical memory we're playing with. 14440Sstevel@tonic-gate */ 14450Sstevel@tonic-gate maxmem = physmem; 14460Sstevel@tonic-gate 14470Sstevel@tonic-gate /* Set segkp limits. */ 14483446Smrj ncbase = kdi_segdebugbase; 14493446Smrj ncend = kdi_segdebugbase; 14500Sstevel@tonic-gate 14510Sstevel@tonic-gate /* 14520Sstevel@tonic-gate * Initialize the hat layer. 14530Sstevel@tonic-gate */ 14540Sstevel@tonic-gate hat_init(); 14550Sstevel@tonic-gate 14560Sstevel@tonic-gate /* 14570Sstevel@tonic-gate * Initialize segment management stuff. 14580Sstevel@tonic-gate */ 14590Sstevel@tonic-gate seg_init(); 14600Sstevel@tonic-gate 14610Sstevel@tonic-gate /* 14620Sstevel@tonic-gate * Create the va>tte handler, so the prom can understand 14630Sstevel@tonic-gate * kernel translations. The handler is installed later, just 14640Sstevel@tonic-gate * as we are about to take over the trap table from the prom. 14650Sstevel@tonic-gate */ 14660Sstevel@tonic-gate create_va_to_tte(); 14670Sstevel@tonic-gate 14680Sstevel@tonic-gate /* 14690Sstevel@tonic-gate * Load the forthdebugger (optional) 14700Sstevel@tonic-gate */ 14710Sstevel@tonic-gate forthdebug_init(); 14720Sstevel@tonic-gate 14730Sstevel@tonic-gate /* 14740Sstevel@tonic-gate * Create OBP node for console input callbacks 14750Sstevel@tonic-gate * if it is needed. 14760Sstevel@tonic-gate */ 14771253Slq150181 startup_create_io_node(); 14780Sstevel@tonic-gate 14790Sstevel@tonic-gate if (modloadonly("fs", "specfs") == -1) 14800Sstevel@tonic-gate halt("Can't load specfs"); 14810Sstevel@tonic-gate 14820Sstevel@tonic-gate if (modloadonly("fs", "devfs") == -1) 14830Sstevel@tonic-gate halt("Can't load devfs"); 14840Sstevel@tonic-gate 14850Sstevel@tonic-gate if (modloadonly("misc", "swapgeneric") == -1) 14860Sstevel@tonic-gate halt("Can't load swapgeneric"); 14870Sstevel@tonic-gate 14881676Sjpk (void) modloadonly("sys", "lbl_edition"); 14891676Sjpk 14900Sstevel@tonic-gate dispinit(); 14910Sstevel@tonic-gate 14920Sstevel@tonic-gate /* 14930Sstevel@tonic-gate * Infer meanings to the members of the idprom buffer. 14940Sstevel@tonic-gate */ 14950Sstevel@tonic-gate parse_idprom(); 14960Sstevel@tonic-gate 14970Sstevel@tonic-gate /* Read cluster configuration data. */ 14980Sstevel@tonic-gate clconf_init(); 14990Sstevel@tonic-gate 15000Sstevel@tonic-gate setup_ddi(); 15010Sstevel@tonic-gate 15020Sstevel@tonic-gate /* 15030Sstevel@tonic-gate * Lets take this opportunity to load the root device. 15040Sstevel@tonic-gate */ 15050Sstevel@tonic-gate if (loadrootmodules() != 0) 15060Sstevel@tonic-gate debug_enter("Can't load the root filesystem"); 15070Sstevel@tonic-gate 15080Sstevel@tonic-gate /* 15090Sstevel@tonic-gate * Load tod driver module for the tod part found on this system. 15100Sstevel@tonic-gate * Recompute the cpu frequency/delays based on tod as tod part 15110Sstevel@tonic-gate * tends to keep time more accurately. 15120Sstevel@tonic-gate */ 15130Sstevel@tonic-gate if (&load_tod_module) 15140Sstevel@tonic-gate load_tod_module(); 15150Sstevel@tonic-gate 15160Sstevel@tonic-gate /* 15170Sstevel@tonic-gate * Allow platforms to load modules which might 15180Sstevel@tonic-gate * be needed after bootops are gone. 15190Sstevel@tonic-gate */ 15200Sstevel@tonic-gate if (&load_platform_modules) 15210Sstevel@tonic-gate load_platform_modules(); 15220Sstevel@tonic-gate 15230Sstevel@tonic-gate setcpudelay(); 15240Sstevel@tonic-gate 15250Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 15260Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 15270Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 15280Sstevel@tonic-gate 15290Sstevel@tonic-gate /* 15300Sstevel@tonic-gate * Calculation and allocation of hmeblks needed to remap 15313764Sdp78419 * the memory allocated by PROM till now. 15323764Sdp78419 * Overestimate the number of hblk1 elements by assuming 15333764Sdp78419 * worst case of TTE64K mappings. 15343764Sdp78419 * sfmmu_hblk_alloc will panic if this calculation is wrong. 15350Sstevel@tonic-gate */ 15363764Sdp78419 bop_alloc_pages = btopr(kmem64_end - kmem64_base); 15373764Sdp78419 pages_per_hblk = btop(HMEBLK_SPAN(TTE64K)); 15383764Sdp78419 bop_alloc_pages = roundup(bop_alloc_pages, pages_per_hblk); 15393764Sdp78419 nhblk1 = bop_alloc_pages / pages_per_hblk + hblk1_min; 15403764Sdp78419 15413764Sdp78419 bop_alloc_pages = size_virtalloc(boot_virtavail, boot_virtavail_len); 15423764Sdp78419 15433764Sdp78419 /* sfmmu_init_nucleus_hblks expects properly aligned data structures */ 15440Sstevel@tonic-gate hme8blk_sz = roundup(HME8BLK_SZ, sizeof (int64_t)); 15450Sstevel@tonic-gate hme1blk_sz = roundup(HME1BLK_SZ, sizeof (int64_t)); 15460Sstevel@tonic-gate 15473764Sdp78419 bop_alloc_pages += btopr(nhblk1 * hme1blk_sz); 15483764Sdp78419 15490Sstevel@tonic-gate pages_per_hblk = btop(HMEBLK_SPAN(TTE8K)); 15503764Sdp78419 nhblk8 = 0; 15513764Sdp78419 while (bop_alloc_pages > 1) { 15523764Sdp78419 bop_alloc_pages = roundup(bop_alloc_pages, pages_per_hblk); 15533764Sdp78419 nhblk8 += bop_alloc_pages /= pages_per_hblk; 15543764Sdp78419 bop_alloc_pages *= hme8blk_sz; 15553764Sdp78419 bop_alloc_pages = btopr(bop_alloc_pages); 15563764Sdp78419 } 15573764Sdp78419 nhblk8 += 2; 15580Sstevel@tonic-gate 15590Sstevel@tonic-gate /* 15600Sstevel@tonic-gate * Since hblk8's can hold up to 64k of mappings aligned on a 64k 15610Sstevel@tonic-gate * boundary, the number of hblk8's needed to map the entries in the 15620Sstevel@tonic-gate * boot_virtavail list needs to be adjusted to take this into 15630Sstevel@tonic-gate * consideration. Thus, we need to add additional hblk8's since it 15640Sstevel@tonic-gate * is possible that an hblk8 will not have all 8 slots used due to 15650Sstevel@tonic-gate * alignment constraints. Since there were boot_virtavail_len entries 15660Sstevel@tonic-gate * in that list, we need to add that many hblk8's to the number 15670Sstevel@tonic-gate * already calculated to make sure we don't underestimate. 15680Sstevel@tonic-gate */ 15690Sstevel@tonic-gate nhblk8 += boot_virtavail_len; 15700Sstevel@tonic-gate nhblksz = nhblk8 * hme8blk_sz + nhblk1 * hme1blk_sz; 15710Sstevel@tonic-gate 15720Sstevel@tonic-gate /* Allocate in pagesize chunks */ 15730Sstevel@tonic-gate nhblksz = roundup(nhblksz, MMU_PAGESIZE); 15740Sstevel@tonic-gate hblk_base = kmem_zalloc(nhblksz, KM_SLEEP); 15750Sstevel@tonic-gate sfmmu_init_nucleus_hblks(hblk_base, nhblksz, nhblk8, nhblk1); 15760Sstevel@tonic-gate } 15770Sstevel@tonic-gate 15780Sstevel@tonic-gate static void 15790Sstevel@tonic-gate startup_bop_gone(void) 15800Sstevel@tonic-gate { 15810Sstevel@tonic-gate 15820Sstevel@tonic-gate /* 15831991Sheppo * Destroy the MD initialized at startup 15841991Sheppo * The startup initializes the MD framework 15851991Sheppo * using prom and BOP alloc free it now. 15861991Sheppo */ 15871991Sheppo mach_descrip_startup_fini(); 15881991Sheppo 15891991Sheppo /* 15905648Ssetje * We're done with prom allocations. 15910Sstevel@tonic-gate */ 15925648Ssetje bop_fini(); 15930Sstevel@tonic-gate 15940Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 15950Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 15960Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 15970Sstevel@tonic-gate 15980Sstevel@tonic-gate /* 15990Sstevel@tonic-gate * setup physically contiguous area twice as large as the ecache. 16000Sstevel@tonic-gate * this is used while doing displacement flush of ecaches 16010Sstevel@tonic-gate */ 16020Sstevel@tonic-gate if (&ecache_flush_address) { 16030Sstevel@tonic-gate ecache_flushaddr = ecache_flush_address(); 16040Sstevel@tonic-gate if (ecache_flushaddr == (uint64_t)-1) { 16050Sstevel@tonic-gate cmn_err(CE_PANIC, 16060Sstevel@tonic-gate "startup: no memory to set ecache_flushaddr"); 16070Sstevel@tonic-gate } 16080Sstevel@tonic-gate } 16090Sstevel@tonic-gate 16100Sstevel@tonic-gate /* 16110Sstevel@tonic-gate * Virtual available next. 16120Sstevel@tonic-gate */ 16130Sstevel@tonic-gate ASSERT(virt_avail != NULL); 16140Sstevel@tonic-gate memlist_free_list(virt_avail); 16150Sstevel@tonic-gate virt_avail = memlist; 16160Sstevel@tonic-gate copy_memlist(boot_virtavail, boot_virtavail_len, &memlist); 16170Sstevel@tonic-gate 16180Sstevel@tonic-gate } 16190Sstevel@tonic-gate 16200Sstevel@tonic-gate 16210Sstevel@tonic-gate /* 16220Sstevel@tonic-gate * startup_fixup_physavail - called from mach_sfmmu.c after the final 16230Sstevel@tonic-gate * allocations have been performed. We can't call it in startup_bop_gone 16240Sstevel@tonic-gate * since later operations can cause obp to allocate more memory. 16250Sstevel@tonic-gate */ 16260Sstevel@tonic-gate void 16270Sstevel@tonic-gate startup_fixup_physavail(void) 16280Sstevel@tonic-gate { 16290Sstevel@tonic-gate struct memlist *cur; 16303764Sdp78419 size_t kmem64_overmap_size = kmem64_aligned_end - kmem64_end; 16313764Sdp78419 16323764Sdp78419 PRM_DEBUG(kmem64_overmap_size); 16330Sstevel@tonic-gate 16340Sstevel@tonic-gate /* 16350Sstevel@tonic-gate * take the most current snapshot we can by calling mem-update 16360Sstevel@tonic-gate */ 16370Sstevel@tonic-gate copy_boot_memlists(&boot_physinstalled, &boot_physinstalled_len, 16380Sstevel@tonic-gate &boot_physavail, &boot_physavail_len, 16390Sstevel@tonic-gate &boot_virtavail, &boot_virtavail_len); 16400Sstevel@tonic-gate 16410Sstevel@tonic-gate /* 16420Sstevel@tonic-gate * Copy phys_avail list, again. 16430Sstevel@tonic-gate * Both the kernel/boot and the prom have been allocating 16440Sstevel@tonic-gate * from the original list we copied earlier. 16450Sstevel@tonic-gate */ 16460Sstevel@tonic-gate cur = memlist; 16475648Ssetje copy_memlist(boot_physavail, boot_physavail_len, &memlist); 16480Sstevel@tonic-gate 16490Sstevel@tonic-gate /* 16503764Sdp78419 * Add any unused kmem64 memory from overmapped page 16513764Sdp78419 * (Note: va_to_pa does not work for kmem64_end) 16523764Sdp78419 */ 16533764Sdp78419 if (kmem64_overmap_size) { 16543764Sdp78419 memlist_add(kmem64_pabase + (kmem64_end - kmem64_base), 16555648Ssetje kmem64_overmap_size, &memlist, &cur); 16563764Sdp78419 } 16573764Sdp78419 16583764Sdp78419 /* 16595648Ssetje * Add any extra memory after e_data we added to the phys_avail list 16600Sstevel@tonic-gate * back to the old list. 16610Sstevel@tonic-gate */ 16620Sstevel@tonic-gate if (ndata_remain_sz >= MMU_PAGESIZE) 16630Sstevel@tonic-gate memlist_add(va_to_pa(nalloc_base), 16640Sstevel@tonic-gate (uint64_t)ndata_remain_sz, &memlist, &cur); 16650Sstevel@tonic-gate 16660Sstevel@tonic-gate /* 16670Sstevel@tonic-gate * There isn't any bounds checking on the memlist area 16680Sstevel@tonic-gate * so ensure it hasn't overgrown. 16690Sstevel@tonic-gate */ 16700Sstevel@tonic-gate if ((caddr_t)memlist > (caddr_t)memlist_end) 16710Sstevel@tonic-gate cmn_err(CE_PANIC, "startup: memlist size exceeded"); 16720Sstevel@tonic-gate 16730Sstevel@tonic-gate /* 16740Sstevel@tonic-gate * The kernel removes the pages that were allocated for it from 16750Sstevel@tonic-gate * the freelist, but we now have to find any -extra- pages that 16760Sstevel@tonic-gate * the prom has allocated for it's own book-keeping, and remove 16770Sstevel@tonic-gate * them from the freelist too. sigh. 16780Sstevel@tonic-gate */ 16795648Ssetje sync_memlists(phys_avail, cur); 16800Sstevel@tonic-gate 16810Sstevel@tonic-gate ASSERT(phys_avail != NULL); 1682*5872Ssetje 1683*5872Ssetje old_phys_avail = phys_avail; 16840Sstevel@tonic-gate phys_avail = cur; 1685*5872Ssetje } 1686*5872Ssetje 1687*5872Ssetje void 1688*5872Ssetje update_kcage_ranges(uint64_t addr, uint64_t len) 1689*5872Ssetje { 1690*5872Ssetje pfn_t base = btop(addr); 1691*5872Ssetje pgcnt_t num = btop(len); 1692*5872Ssetje int rv; 1693*5872Ssetje 1694*5872Ssetje rv = kcage_range_add(base, num, kcage_startup_dir); 1695*5872Ssetje 1696*5872Ssetje if (rv == ENOMEM) { 1697*5872Ssetje cmn_err(CE_WARN, "%ld megabytes not available to kernel cage", 1698*5872Ssetje (len == 0 ? 0 : BYTES_TO_MB(len))); 1699*5872Ssetje } else if (rv != 0) { 1700*5872Ssetje /* catch this in debug kernels */ 1701*5872Ssetje ASSERT(0); 1702*5872Ssetje 1703*5872Ssetje cmn_err(CE_WARN, "unexpected kcage_range_add" 1704*5872Ssetje " return value %d", rv); 1705*5872Ssetje } 17060Sstevel@tonic-gate } 17070Sstevel@tonic-gate 17080Sstevel@tonic-gate static void 17090Sstevel@tonic-gate startup_vm(void) 17100Sstevel@tonic-gate { 17110Sstevel@tonic-gate size_t i; 17120Sstevel@tonic-gate struct segmap_crargs a; 17130Sstevel@tonic-gate struct segkpm_crargs b; 17140Sstevel@tonic-gate 17150Sstevel@tonic-gate uint64_t avmem; 17160Sstevel@tonic-gate caddr_t va; 17170Sstevel@tonic-gate pgcnt_t max_phys_segkp; 17180Sstevel@tonic-gate int mnode; 17190Sstevel@tonic-gate 17202991Ssusans extern int use_brk_lpg, use_stk_lpg; 1721423Sdavemq 17220Sstevel@tonic-gate /* 17230Sstevel@tonic-gate * get prom's mappings, create hments for them and switch 17240Sstevel@tonic-gate * to the kernel context. 17250Sstevel@tonic-gate */ 17260Sstevel@tonic-gate hat_kern_setup(); 17270Sstevel@tonic-gate 17280Sstevel@tonic-gate /* 17290Sstevel@tonic-gate * Take over trap table 17300Sstevel@tonic-gate */ 17310Sstevel@tonic-gate setup_trap_table(); 17320Sstevel@tonic-gate 17330Sstevel@tonic-gate /* 17340Sstevel@tonic-gate * Install the va>tte handler, so that the prom can handle 17350Sstevel@tonic-gate * misses and understand the kernel table layout in case 17360Sstevel@tonic-gate * we need call into the prom. 17370Sstevel@tonic-gate */ 17380Sstevel@tonic-gate install_va_to_tte(); 17390Sstevel@tonic-gate 17400Sstevel@tonic-gate /* 17410Sstevel@tonic-gate * Set a flag to indicate that the tba has been taken over. 17420Sstevel@tonic-gate */ 17430Sstevel@tonic-gate tba_taken_over = 1; 17440Sstevel@tonic-gate 17450Sstevel@tonic-gate /* initialize MMU primary context register */ 17460Sstevel@tonic-gate mmu_init_kcontext(); 17470Sstevel@tonic-gate 17480Sstevel@tonic-gate /* 17490Sstevel@tonic-gate * The boot cpu can now take interrupts, x-calls, x-traps 17500Sstevel@tonic-gate */ 17510Sstevel@tonic-gate CPUSET_ADD(cpu_ready_set, CPU->cpu_id); 17520Sstevel@tonic-gate CPU->cpu_flags |= (CPU_READY | CPU_ENABLE | CPU_EXISTS); 17530Sstevel@tonic-gate 17540Sstevel@tonic-gate /* 17550Sstevel@tonic-gate * Set a flag to tell write_scb_int() that it can access V_TBR_WR_ADDR. 17560Sstevel@tonic-gate */ 17570Sstevel@tonic-gate tbr_wr_addr_inited = 1; 17580Sstevel@tonic-gate 17590Sstevel@tonic-gate /* 17600Sstevel@tonic-gate * Initialize VM system, and map kernel address space. 17610Sstevel@tonic-gate */ 17620Sstevel@tonic-gate kvm_init(); 17630Sstevel@tonic-gate 1764*5872Ssetje ASSERT(old_phys_avail != NULL && phys_avail != NULL); 1765*5872Ssetje if (kernel_cage_enable) { 1766*5872Ssetje diff_memlists(phys_avail, old_phys_avail, update_kcage_ranges); 1767*5872Ssetje } 1768*5872Ssetje memlist_free_list(old_phys_avail); 1769*5872Ssetje 17700Sstevel@tonic-gate /* 17710Sstevel@tonic-gate * If the following is true, someone has patched 17720Sstevel@tonic-gate * phsymem to be less than the number of pages that 17730Sstevel@tonic-gate * the system actually has. Remove pages until system 17740Sstevel@tonic-gate * memory is limited to the requested amount. Since we 17750Sstevel@tonic-gate * have allocated page structures for all pages, we 17760Sstevel@tonic-gate * correct the amount of memory we want to remove 17770Sstevel@tonic-gate * by the size of the memory used to hold page structures 17780Sstevel@tonic-gate * for the non-used pages. 17790Sstevel@tonic-gate */ 1780*5872Ssetje if (physmem + ramdisk_npages < npages) { 17810Sstevel@tonic-gate pgcnt_t diff, off; 17820Sstevel@tonic-gate struct page *pp; 17830Sstevel@tonic-gate struct seg kseg; 17840Sstevel@tonic-gate 17850Sstevel@tonic-gate cmn_err(CE_WARN, "limiting physmem to %ld pages", physmem); 17860Sstevel@tonic-gate 17870Sstevel@tonic-gate off = 0; 1788*5872Ssetje diff = npages - (physmem + ramdisk_npages); 17890Sstevel@tonic-gate diff -= mmu_btopr(diff * sizeof (struct page)); 17900Sstevel@tonic-gate kseg.s_as = &kas; 17910Sstevel@tonic-gate while (diff--) { 17920Sstevel@tonic-gate pp = page_create_va(&unused_pages_vp, (offset_t)off, 17930Sstevel@tonic-gate MMU_PAGESIZE, PG_WAIT | PG_EXCL, 17940Sstevel@tonic-gate &kseg, (caddr_t)off); 17950Sstevel@tonic-gate if (pp == NULL) 17960Sstevel@tonic-gate cmn_err(CE_PANIC, "limited physmem too much!"); 17970Sstevel@tonic-gate page_io_unlock(pp); 17980Sstevel@tonic-gate page_downgrade(pp); 17990Sstevel@tonic-gate availrmem--; 18000Sstevel@tonic-gate off += MMU_PAGESIZE; 18010Sstevel@tonic-gate } 18020Sstevel@tonic-gate } 18030Sstevel@tonic-gate 18040Sstevel@tonic-gate /* 18050Sstevel@tonic-gate * When printing memory, show the total as physmem less 18060Sstevel@tonic-gate * that stolen by a debugger. 18070Sstevel@tonic-gate */ 18080Sstevel@tonic-gate cmn_err(CE_CONT, "?mem = %ldK (0x%lx000)\n", 18090Sstevel@tonic-gate (ulong_t)(physinstalled) << (PAGESHIFT - 10), 18100Sstevel@tonic-gate (ulong_t)(physinstalled) << (PAGESHIFT - 12)); 18110Sstevel@tonic-gate 18120Sstevel@tonic-gate avmem = (uint64_t)freemem << PAGESHIFT; 18130Sstevel@tonic-gate cmn_err(CE_CONT, "?avail mem = %lld\n", (unsigned long long)avmem); 18140Sstevel@tonic-gate 18152991Ssusans /* 18162991Ssusans * For small memory systems disable automatic large pages. 18172991Ssusans */ 18182991Ssusans if (physmem < privm_lpg_min_physmem) { 1819423Sdavemq use_brk_lpg = 0; 1820423Sdavemq use_stk_lpg = 0; 1821423Sdavemq } 1822423Sdavemq 18230Sstevel@tonic-gate /* 18240Sstevel@tonic-gate * Perform platform specific freelist processing 18250Sstevel@tonic-gate */ 18260Sstevel@tonic-gate if (&plat_freelist_process) { 18270Sstevel@tonic-gate for (mnode = 0; mnode < max_mem_nodes; mnode++) 18280Sstevel@tonic-gate if (mem_node_config[mnode].exists) 18290Sstevel@tonic-gate plat_freelist_process(mnode); 18300Sstevel@tonic-gate } 18310Sstevel@tonic-gate 18320Sstevel@tonic-gate /* 18330Sstevel@tonic-gate * Initialize the segkp segment type. We position it 18340Sstevel@tonic-gate * after the configured tables and buffers (whose end 18350Sstevel@tonic-gate * is given by econtig) and before V_WKBASE_ADDR. 18360Sstevel@tonic-gate * Also in this area is segkmap (size SEGMAPSIZE). 18370Sstevel@tonic-gate */ 18380Sstevel@tonic-gate 18390Sstevel@tonic-gate /* XXX - cache alignment? */ 18400Sstevel@tonic-gate va = (caddr_t)SEGKPBASE; 18410Sstevel@tonic-gate ASSERT(((uintptr_t)va & PAGEOFFSET) == 0); 18420Sstevel@tonic-gate 18430Sstevel@tonic-gate max_phys_segkp = (physmem * 2); 18440Sstevel@tonic-gate 18450Sstevel@tonic-gate if (segkpsize < btop(SEGKPMINSIZE) || segkpsize > btop(SEGKPMAXSIZE)) { 18460Sstevel@tonic-gate segkpsize = btop(SEGKPDEFSIZE); 18470Sstevel@tonic-gate cmn_err(CE_WARN, "Illegal value for segkpsize. " 18480Sstevel@tonic-gate "segkpsize has been reset to %ld pages", segkpsize); 18490Sstevel@tonic-gate } 18500Sstevel@tonic-gate 18510Sstevel@tonic-gate i = ptob(MIN(segkpsize, max_phys_segkp)); 18520Sstevel@tonic-gate 18530Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 18540Sstevel@tonic-gate if (seg_attach(&kas, va, i, segkp) < 0) 18550Sstevel@tonic-gate cmn_err(CE_PANIC, "startup: cannot attach segkp"); 18560Sstevel@tonic-gate if (segkp_create(segkp) != 0) 18570Sstevel@tonic-gate cmn_err(CE_PANIC, "startup: segkp_create failed"); 18580Sstevel@tonic-gate rw_exit(&kas.a_lock); 18590Sstevel@tonic-gate 18600Sstevel@tonic-gate /* 18610Sstevel@tonic-gate * kpm segment 18620Sstevel@tonic-gate */ 18630Sstevel@tonic-gate segmap_kpm = kpm_enable && 18644528Spaulsan segmap_kpm && PAGESIZE == MAXBSIZE; 18650Sstevel@tonic-gate 18660Sstevel@tonic-gate if (kpm_enable) { 18670Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 18680Sstevel@tonic-gate 18690Sstevel@tonic-gate /* 18700Sstevel@tonic-gate * The segkpm virtual range range is larger than the 18710Sstevel@tonic-gate * actual physical memory size and also covers gaps in 18720Sstevel@tonic-gate * the physical address range for the following reasons: 18730Sstevel@tonic-gate * . keep conversion between segkpm and physical addresses 18740Sstevel@tonic-gate * simple, cheap and unambiguous. 18750Sstevel@tonic-gate * . avoid extension/shrink of the the segkpm in case of DR. 18760Sstevel@tonic-gate * . avoid complexity for handling of virtual addressed 18770Sstevel@tonic-gate * caches, segkpm and the regular mapping scheme must be 18780Sstevel@tonic-gate * kept in sync wrt. the virtual color of mapped pages. 18790Sstevel@tonic-gate * Any accesses to virtual segkpm ranges not backed by 18800Sstevel@tonic-gate * physical memory will fall through the memseg pfn hash 18810Sstevel@tonic-gate * and will be handled in segkpm_fault. 18820Sstevel@tonic-gate * Additional kpm_size spaces needed for vac alias prevention. 18830Sstevel@tonic-gate */ 18840Sstevel@tonic-gate if (seg_attach(&kas, kpm_vbase, kpm_size * vac_colors, 18850Sstevel@tonic-gate segkpm) < 0) 18860Sstevel@tonic-gate cmn_err(CE_PANIC, "cannot attach segkpm"); 18870Sstevel@tonic-gate 18880Sstevel@tonic-gate b.prot = PROT_READ | PROT_WRITE; 18890Sstevel@tonic-gate b.nvcolors = shm_alignment >> MMU_PAGESHIFT; 18900Sstevel@tonic-gate 18910Sstevel@tonic-gate if (segkpm_create(segkpm, (caddr_t)&b) != 0) 18920Sstevel@tonic-gate panic("segkpm_create segkpm"); 18930Sstevel@tonic-gate 18940Sstevel@tonic-gate rw_exit(&kas.a_lock); 18952296Sae112802 18962296Sae112802 mach_kpm_init(); 18970Sstevel@tonic-gate } 18980Sstevel@tonic-gate 18993290Sjohansen if (!segzio_fromheap) { 19003290Sjohansen size_t size; 19013552Sjohansen size_t physmem_b = mmu_ptob(physmem); 19023290Sjohansen 19033290Sjohansen /* size is in bytes, segziosize is in pages */ 19043290Sjohansen if (segziosize == 0) { 19053552Sjohansen size = physmem_b; 19063290Sjohansen } else { 19073290Sjohansen size = mmu_ptob(segziosize); 19083290Sjohansen } 19093290Sjohansen 19103290Sjohansen if (size < SEGZIOMINSIZE) { 19113290Sjohansen size = SEGZIOMINSIZE; 19123552Sjohansen } else if (size > SEGZIOMAXSIZE) { 19133552Sjohansen size = SEGZIOMAXSIZE; 19143552Sjohansen /* 19153552Sjohansen * On 64-bit x86, we only have 2TB of KVA. This exists 19163552Sjohansen * for parity with x86. 19173552Sjohansen * 19183552Sjohansen * SEGZIOMAXSIZE is capped at 512gb so that segzio 19193552Sjohansen * doesn't consume all of KVA. However, if we have a 19203552Sjohansen * system that has more thant 512gb of physical memory, 19213552Sjohansen * we can actually consume about half of the difference 19223552Sjohansen * between 512gb and the rest of the available physical 19233552Sjohansen * memory. 19243552Sjohansen */ 19253552Sjohansen if (physmem_b > SEGZIOMAXSIZE) { 19263552Sjohansen size += (physmem_b - SEGZIOMAXSIZE) / 2; 19273552Sjohansen } 19283290Sjohansen } 19293290Sjohansen segziosize = mmu_btop(roundup(size, MMU_PAGESIZE)); 19303290Sjohansen /* put the base of the ZIO segment after the kpm segment */ 19313290Sjohansen segzio_base = kpm_vbase + (kpm_size * vac_colors); 19323290Sjohansen PRM_DEBUG(segziosize); 19333290Sjohansen PRM_DEBUG(segzio_base); 19343290Sjohansen 19353290Sjohansen /* 19363290Sjohansen * On some platforms, kvm_init is called after the kpm 19373290Sjohansen * sizes have been determined. On SPARC, kvm_init is called 19383290Sjohansen * before, so we have to attach the kzioseg after kvm is 19393290Sjohansen * initialized, otherwise we'll try to allocate from the boot 19403290Sjohansen * area since the kernel heap hasn't yet been configured. 19413290Sjohansen */ 19423290Sjohansen rw_enter(&kas.a_lock, RW_WRITER); 19433290Sjohansen 19443290Sjohansen (void) seg_attach(&kas, segzio_base, mmu_ptob(segziosize), 19453290Sjohansen &kzioseg); 19463290Sjohansen (void) segkmem_zio_create(&kzioseg); 19473290Sjohansen 19483290Sjohansen /* create zio area covering new segment */ 19493290Sjohansen segkmem_zio_init(segzio_base, mmu_ptob(segziosize)); 19503290Sjohansen 19513290Sjohansen rw_exit(&kas.a_lock); 19523290Sjohansen } 19533290Sjohansen 19543290Sjohansen 19550Sstevel@tonic-gate /* 19560Sstevel@tonic-gate * Now create generic mapping segment. This mapping 19570Sstevel@tonic-gate * goes SEGMAPSIZE beyond SEGMAPBASE. But if the total 19580Sstevel@tonic-gate * virtual address is greater than the amount of free 19590Sstevel@tonic-gate * memory that is available, then we trim back the 19600Sstevel@tonic-gate * segment size to that amount 19610Sstevel@tonic-gate */ 19620Sstevel@tonic-gate va = (caddr_t)SEGMAPBASE; 19630Sstevel@tonic-gate 19640Sstevel@tonic-gate /* 19650Sstevel@tonic-gate * 1201049: segkmap base address must be MAXBSIZE aligned 19660Sstevel@tonic-gate */ 19670Sstevel@tonic-gate ASSERT(((uintptr_t)va & MAXBOFFSET) == 0); 19680Sstevel@tonic-gate 19690Sstevel@tonic-gate /* 19700Sstevel@tonic-gate * Set size of segmap to percentage of freemem at boot, 19710Sstevel@tonic-gate * but stay within the allowable range 19720Sstevel@tonic-gate * Note we take percentage before converting from pages 19730Sstevel@tonic-gate * to bytes to avoid an overflow on 32-bit kernels. 19740Sstevel@tonic-gate */ 19750Sstevel@tonic-gate i = mmu_ptob((freemem * segmap_percent) / 100); 19760Sstevel@tonic-gate 19770Sstevel@tonic-gate if (i < MINMAPSIZE) 19780Sstevel@tonic-gate i = MINMAPSIZE; 19790Sstevel@tonic-gate 19800Sstevel@tonic-gate if (i > MIN(SEGMAPSIZE, mmu_ptob(freemem))) 19810Sstevel@tonic-gate i = MIN(SEGMAPSIZE, mmu_ptob(freemem)); 19820Sstevel@tonic-gate 19830Sstevel@tonic-gate i &= MAXBMASK; /* 1201049: segkmap size must be MAXBSIZE aligned */ 19840Sstevel@tonic-gate 19850Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 19860Sstevel@tonic-gate if (seg_attach(&kas, va, i, segkmap) < 0) 19870Sstevel@tonic-gate cmn_err(CE_PANIC, "cannot attach segkmap"); 19880Sstevel@tonic-gate 19890Sstevel@tonic-gate a.prot = PROT_READ | PROT_WRITE; 19900Sstevel@tonic-gate a.shmsize = shm_alignment; 19910Sstevel@tonic-gate a.nfreelist = 0; /* use segmap driver defaults */ 19920Sstevel@tonic-gate 19930Sstevel@tonic-gate if (segmap_create(segkmap, (caddr_t)&a) != 0) 19940Sstevel@tonic-gate panic("segmap_create segkmap"); 19950Sstevel@tonic-gate rw_exit(&kas.a_lock); 19960Sstevel@tonic-gate 19970Sstevel@tonic-gate segdev_init(); 19980Sstevel@tonic-gate } 19990Sstevel@tonic-gate 20000Sstevel@tonic-gate static void 20010Sstevel@tonic-gate startup_end(void) 20020Sstevel@tonic-gate { 20030Sstevel@tonic-gate if ((caddr_t)memlist > (caddr_t)memlist_end) 20040Sstevel@tonic-gate panic("memlist overflow 2"); 20050Sstevel@tonic-gate memlist_free_block((caddr_t)memlist, 20060Sstevel@tonic-gate ((caddr_t)memlist_end - (caddr_t)memlist)); 20070Sstevel@tonic-gate memlist = NULL; 20080Sstevel@tonic-gate 20090Sstevel@tonic-gate /* enable page_relocation since OBP is now done */ 20100Sstevel@tonic-gate page_relocate_ready = 1; 20110Sstevel@tonic-gate 20120Sstevel@tonic-gate /* 20130Sstevel@tonic-gate * Perform tasks that get done after most of the VM 20140Sstevel@tonic-gate * initialization has been done but before the clock 20150Sstevel@tonic-gate * and other devices get started. 20160Sstevel@tonic-gate */ 20170Sstevel@tonic-gate kern_setup1(); 20180Sstevel@tonic-gate 20190Sstevel@tonic-gate /* 20200Sstevel@tonic-gate * Intialize the VM arenas for allocating physically 20210Sstevel@tonic-gate * contiguus memory chunk for interrupt queues snd 20220Sstevel@tonic-gate * allocate/register boot cpu's queues, if any and 20230Sstevel@tonic-gate * allocate dump buffer for sun4v systems to store 20240Sstevel@tonic-gate * extra crash information during crash dump 20250Sstevel@tonic-gate */ 20260Sstevel@tonic-gate contig_mem_init(); 20270Sstevel@tonic-gate mach_descrip_init(); 20284050Sjb145095 20294050Sjb145095 if (cpu_intrq_setup(CPU)) { 20304050Sjb145095 cmn_err(CE_PANIC, "cpu%d: setup failed", CPU->cpu_id); 20314050Sjb145095 } 20320Sstevel@tonic-gate cpu_intrq_register(CPU); 20331077Ssvemuri mach_htraptrace_setup(CPU->cpu_id); 20341077Ssvemuri mach_htraptrace_configure(CPU->cpu_id); 20350Sstevel@tonic-gate mach_dump_buffer_init(); 20360Sstevel@tonic-gate 20370Sstevel@tonic-gate /* 20380Sstevel@tonic-gate * Initialize interrupt related stuff 20390Sstevel@tonic-gate */ 20401455Sandrei cpu_intr_alloc(CPU, NINTR_THREADS); 20410Sstevel@tonic-gate 20420Sstevel@tonic-gate (void) splzs(); /* allow hi clock ints but not zs */ 20430Sstevel@tonic-gate 20440Sstevel@tonic-gate /* 20450Sstevel@tonic-gate * Initialize errors. 20460Sstevel@tonic-gate */ 20470Sstevel@tonic-gate error_init(); 20480Sstevel@tonic-gate 20490Sstevel@tonic-gate /* 20500Sstevel@tonic-gate * Note that we may have already used kernel bcopy before this 20510Sstevel@tonic-gate * point - but if you really care about this, adb the use_hw_* 20520Sstevel@tonic-gate * variables to 0 before rebooting. 20530Sstevel@tonic-gate */ 20540Sstevel@tonic-gate mach_hw_copy_limit(); 20550Sstevel@tonic-gate 20560Sstevel@tonic-gate /* 20570Sstevel@tonic-gate * Install the "real" preemption guards before DDI services 20580Sstevel@tonic-gate * are available. 20590Sstevel@tonic-gate */ 20600Sstevel@tonic-gate (void) prom_set_preprom(kern_preprom); 20610Sstevel@tonic-gate (void) prom_set_postprom(kern_postprom); 20620Sstevel@tonic-gate CPU->cpu_m.mutex_ready = 1; 20630Sstevel@tonic-gate 20640Sstevel@tonic-gate /* 20650Sstevel@tonic-gate * Initialize segnf (kernel support for non-faulting loads). 20660Sstevel@tonic-gate */ 20670Sstevel@tonic-gate segnf_init(); 20680Sstevel@tonic-gate 20690Sstevel@tonic-gate /* 20700Sstevel@tonic-gate * Configure the root devinfo node. 20710Sstevel@tonic-gate */ 20720Sstevel@tonic-gate configure(); /* set up devices */ 20730Sstevel@tonic-gate mach_cpu_halt_idle(); 20740Sstevel@tonic-gate } 20750Sstevel@tonic-gate 20760Sstevel@tonic-gate 20770Sstevel@tonic-gate void 20780Sstevel@tonic-gate post_startup(void) 20790Sstevel@tonic-gate { 20800Sstevel@tonic-gate #ifdef PTL1_PANIC_DEBUG 20810Sstevel@tonic-gate extern void init_ptl1_thread(void); 20820Sstevel@tonic-gate #endif /* PTL1_PANIC_DEBUG */ 20830Sstevel@tonic-gate extern void abort_sequence_init(void); 20840Sstevel@tonic-gate 20850Sstevel@tonic-gate /* 20860Sstevel@tonic-gate * Set the system wide, processor-specific flags to be passed 20870Sstevel@tonic-gate * to userland via the aux vector for performance hints and 20880Sstevel@tonic-gate * instruction set extensions. 20890Sstevel@tonic-gate */ 20900Sstevel@tonic-gate bind_hwcap(); 20910Sstevel@tonic-gate 20920Sstevel@tonic-gate /* 20930Sstevel@tonic-gate * Startup memory scrubber (if any) 20940Sstevel@tonic-gate */ 20950Sstevel@tonic-gate mach_memscrub(); 20960Sstevel@tonic-gate 20970Sstevel@tonic-gate /* 20980Sstevel@tonic-gate * Allocate soft interrupt to handle abort sequence. 20990Sstevel@tonic-gate */ 21000Sstevel@tonic-gate abort_sequence_init(); 21010Sstevel@tonic-gate 21020Sstevel@tonic-gate /* 21030Sstevel@tonic-gate * Configure the rest of the system. 21040Sstevel@tonic-gate * Perform forceloading tasks for /etc/system. 21050Sstevel@tonic-gate */ 21060Sstevel@tonic-gate (void) mod_sysctl(SYS_FORCELOAD, NULL); 21070Sstevel@tonic-gate /* 21080Sstevel@tonic-gate * ON4.0: Force /proc module in until clock interrupt handle fixed 21090Sstevel@tonic-gate * ON4.0: This must be fixed or restated in /etc/systems. 21100Sstevel@tonic-gate */ 21110Sstevel@tonic-gate (void) modload("fs", "procfs"); 21120Sstevel@tonic-gate 21131991Sheppo /* load machine class specific drivers */ 21141991Sheppo load_mach_drivers(); 21151991Sheppo 21161991Sheppo /* load platform specific drivers */ 21170Sstevel@tonic-gate if (&load_platform_drivers) 21180Sstevel@tonic-gate load_platform_drivers(); 21190Sstevel@tonic-gate 21200Sstevel@tonic-gate /* load vis simulation module, if we are running w/fpu off */ 21210Sstevel@tonic-gate if (!fpu_exists) { 21220Sstevel@tonic-gate if (modload("misc", "vis") == -1) 21230Sstevel@tonic-gate halt("Can't load vis"); 21240Sstevel@tonic-gate } 21250Sstevel@tonic-gate 21260Sstevel@tonic-gate mach_fpras(); 21270Sstevel@tonic-gate 21280Sstevel@tonic-gate maxmem = freemem; 21290Sstevel@tonic-gate 21300Sstevel@tonic-gate #ifdef PTL1_PANIC_DEBUG 21310Sstevel@tonic-gate init_ptl1_thread(); 21320Sstevel@tonic-gate #endif /* PTL1_PANIC_DEBUG */ 21331991Sheppo 21341991Sheppo if (&cif_init) 21351991Sheppo cif_init(); 21360Sstevel@tonic-gate } 21370Sstevel@tonic-gate 21380Sstevel@tonic-gate #ifdef PTL1_PANIC_DEBUG 21390Sstevel@tonic-gate int ptl1_panic_test = 0; 21400Sstevel@tonic-gate int ptl1_panic_xc_one_test = 0; 21410Sstevel@tonic-gate int ptl1_panic_xc_all_test = 0; 21420Sstevel@tonic-gate int ptl1_panic_xt_one_test = 0; 21430Sstevel@tonic-gate int ptl1_panic_xt_all_test = 0; 21440Sstevel@tonic-gate kthread_id_t ptl1_thread_p = NULL; 21450Sstevel@tonic-gate kcondvar_t ptl1_cv; 21460Sstevel@tonic-gate kmutex_t ptl1_mutex; 21470Sstevel@tonic-gate int ptl1_recurse_count_threshold = 0x40; 21480Sstevel@tonic-gate int ptl1_recurse_trap_threshold = 0x3d; 21490Sstevel@tonic-gate extern void ptl1_recurse(int, int); 21500Sstevel@tonic-gate extern void ptl1_panic_xt(int, int); 21510Sstevel@tonic-gate 21520Sstevel@tonic-gate /* 21530Sstevel@tonic-gate * Called once per second by timeout() to wake up 21540Sstevel@tonic-gate * the ptl1_panic thread to see if it should cause 21550Sstevel@tonic-gate * a trap to the ptl1_panic() code. 21560Sstevel@tonic-gate */ 21570Sstevel@tonic-gate /* ARGSUSED */ 21580Sstevel@tonic-gate static void 21590Sstevel@tonic-gate ptl1_wakeup(void *arg) 21600Sstevel@tonic-gate { 21610Sstevel@tonic-gate mutex_enter(&ptl1_mutex); 21620Sstevel@tonic-gate cv_signal(&ptl1_cv); 21630Sstevel@tonic-gate mutex_exit(&ptl1_mutex); 21640Sstevel@tonic-gate } 21650Sstevel@tonic-gate 21660Sstevel@tonic-gate /* 21670Sstevel@tonic-gate * ptl1_panic cross call function: 21680Sstevel@tonic-gate * Needed because xc_one() and xc_some() can pass 21690Sstevel@tonic-gate * 64 bit args but ptl1_recurse() expects ints. 21700Sstevel@tonic-gate */ 21710Sstevel@tonic-gate static void 21720Sstevel@tonic-gate ptl1_panic_xc(void) 21730Sstevel@tonic-gate { 21740Sstevel@tonic-gate ptl1_recurse(ptl1_recurse_count_threshold, 21750Sstevel@tonic-gate ptl1_recurse_trap_threshold); 21760Sstevel@tonic-gate } 21770Sstevel@tonic-gate 21780Sstevel@tonic-gate /* 21790Sstevel@tonic-gate * The ptl1 thread waits for a global flag to be set 21800Sstevel@tonic-gate * and uses the recurse thresholds to set the stack depth 21810Sstevel@tonic-gate * to cause a ptl1_panic() directly via a call to ptl1_recurse 21820Sstevel@tonic-gate * or indirectly via the cross call and cross trap functions. 21830Sstevel@tonic-gate * 21840Sstevel@tonic-gate * This is useful testing stack overflows and normal 21850Sstevel@tonic-gate * ptl1_panic() states with a know stack frame. 21860Sstevel@tonic-gate * 21870Sstevel@tonic-gate * ptl1_recurse() is an asm function in ptl1_panic.s that 21880Sstevel@tonic-gate * sets the {In, Local, Out, and Global} registers to a 21890Sstevel@tonic-gate * know state on the stack and just prior to causing a 21900Sstevel@tonic-gate * test ptl1_panic trap. 21910Sstevel@tonic-gate */ 21920Sstevel@tonic-gate static void 21930Sstevel@tonic-gate ptl1_thread(void) 21940Sstevel@tonic-gate { 21950Sstevel@tonic-gate mutex_enter(&ptl1_mutex); 21960Sstevel@tonic-gate while (ptl1_thread_p) { 21970Sstevel@tonic-gate cpuset_t other_cpus; 21980Sstevel@tonic-gate int cpu_id; 21990Sstevel@tonic-gate int my_cpu_id; 22000Sstevel@tonic-gate int target_cpu_id; 22010Sstevel@tonic-gate int target_found; 22020Sstevel@tonic-gate 22030Sstevel@tonic-gate if (ptl1_panic_test) { 22040Sstevel@tonic-gate ptl1_recurse(ptl1_recurse_count_threshold, 22050Sstevel@tonic-gate ptl1_recurse_trap_threshold); 22060Sstevel@tonic-gate } 22070Sstevel@tonic-gate 22080Sstevel@tonic-gate /* 22090Sstevel@tonic-gate * Find potential targets for x-call and x-trap, 22100Sstevel@tonic-gate * if any exist while preempt is disabled we 22110Sstevel@tonic-gate * start a ptl1_panic if requested via a 22120Sstevel@tonic-gate * globals. 22130Sstevel@tonic-gate */ 22140Sstevel@tonic-gate kpreempt_disable(); 22150Sstevel@tonic-gate my_cpu_id = CPU->cpu_id; 22160Sstevel@tonic-gate other_cpus = cpu_ready_set; 22170Sstevel@tonic-gate CPUSET_DEL(other_cpus, CPU->cpu_id); 22180Sstevel@tonic-gate target_found = 0; 22190Sstevel@tonic-gate if (!CPUSET_ISNULL(other_cpus)) { 22200Sstevel@tonic-gate /* 22210Sstevel@tonic-gate * Pick the first one 22220Sstevel@tonic-gate */ 22230Sstevel@tonic-gate for (cpu_id = 0; cpu_id < NCPU; cpu_id++) { 22240Sstevel@tonic-gate if (cpu_id == my_cpu_id) 22250Sstevel@tonic-gate continue; 22260Sstevel@tonic-gate 22270Sstevel@tonic-gate if (CPU_XCALL_READY(cpu_id)) { 22280Sstevel@tonic-gate target_cpu_id = cpu_id; 22290Sstevel@tonic-gate target_found = 1; 22300Sstevel@tonic-gate break; 22310Sstevel@tonic-gate } 22320Sstevel@tonic-gate } 22330Sstevel@tonic-gate ASSERT(target_found); 22340Sstevel@tonic-gate 22350Sstevel@tonic-gate if (ptl1_panic_xc_one_test) { 22360Sstevel@tonic-gate xc_one(target_cpu_id, 22370Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xc, 0, 0); 22380Sstevel@tonic-gate } 22390Sstevel@tonic-gate if (ptl1_panic_xc_all_test) { 22400Sstevel@tonic-gate xc_some(other_cpus, 22410Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xc, 0, 0); 22420Sstevel@tonic-gate } 22430Sstevel@tonic-gate if (ptl1_panic_xt_one_test) { 22440Sstevel@tonic-gate xt_one(target_cpu_id, 22450Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xt, 0, 0); 22460Sstevel@tonic-gate } 22470Sstevel@tonic-gate if (ptl1_panic_xt_all_test) { 22480Sstevel@tonic-gate xt_some(other_cpus, 22490Sstevel@tonic-gate (xcfunc_t *)ptl1_panic_xt, 0, 0); 22500Sstevel@tonic-gate } 22510Sstevel@tonic-gate } 22520Sstevel@tonic-gate kpreempt_enable(); 22530Sstevel@tonic-gate (void) timeout(ptl1_wakeup, NULL, hz); 22540Sstevel@tonic-gate (void) cv_wait(&ptl1_cv, &ptl1_mutex); 22550Sstevel@tonic-gate } 22560Sstevel@tonic-gate mutex_exit(&ptl1_mutex); 22570Sstevel@tonic-gate } 22580Sstevel@tonic-gate 22590Sstevel@tonic-gate /* 22600Sstevel@tonic-gate * Called during early startup to create the ptl1_thread 22610Sstevel@tonic-gate */ 22620Sstevel@tonic-gate void 22630Sstevel@tonic-gate init_ptl1_thread(void) 22640Sstevel@tonic-gate { 22650Sstevel@tonic-gate ptl1_thread_p = thread_create(NULL, 0, ptl1_thread, NULL, 0, 22660Sstevel@tonic-gate &p0, TS_RUN, 0); 22670Sstevel@tonic-gate } 22680Sstevel@tonic-gate #endif /* PTL1_PANIC_DEBUG */ 22690Sstevel@tonic-gate 22700Sstevel@tonic-gate 22715648Ssetje static void 22725648Ssetje memlist_new(uint64_t start, uint64_t len, struct memlist **memlistp) 22735648Ssetje { 22745648Ssetje struct memlist *new; 22755648Ssetje 22765648Ssetje new = *memlistp; 22775648Ssetje new->address = start; 22785648Ssetje new->size = len; 22795648Ssetje *memlistp = new + 1; 22805648Ssetje } 22815648Ssetje 22820Sstevel@tonic-gate /* 22830Sstevel@tonic-gate * Add to a memory list. 22840Sstevel@tonic-gate * start = start of new memory segment 22850Sstevel@tonic-gate * len = length of new memory segment in bytes 22860Sstevel@tonic-gate * memlistp = pointer to array of available memory segment structures 22870Sstevel@tonic-gate * curmemlistp = memory list to which to add segment. 22880Sstevel@tonic-gate */ 22890Sstevel@tonic-gate static void 22900Sstevel@tonic-gate memlist_add(uint64_t start, uint64_t len, struct memlist **memlistp, 22910Sstevel@tonic-gate struct memlist **curmemlistp) 22920Sstevel@tonic-gate { 22935648Ssetje struct memlist *new = *memlistp; 22945648Ssetje 22955648Ssetje memlist_new(start, len, memlistp); 22960Sstevel@tonic-gate memlist_insert(new, curmemlistp); 22970Sstevel@tonic-gate } 22980Sstevel@tonic-gate 22995648Ssetje static int 23005648Ssetje ndata_alloc_memseg(struct memlist *ndata, size_t avail) 23015648Ssetje { 23025648Ssetje int nseg; 23035648Ssetje size_t memseg_sz; 23045648Ssetje struct memseg *msp; 23055648Ssetje 23065648Ssetje /* 23075648Ssetje * The memseg list is for the chunks of physical memory that 23085648Ssetje * will be managed by the vm system. The number calculated is 23095648Ssetje * a guess as boot may fragment it more when memory allocations 23105648Ssetje * are made before kphysm_init(). 23115648Ssetje */ 23125648Ssetje memseg_sz = (avail + 10) * sizeof (struct memseg); 23135648Ssetje memseg_sz = roundup(memseg_sz, PAGESIZE); 23145648Ssetje nseg = memseg_sz / sizeof (struct memseg); 23155648Ssetje msp = ndata_alloc(ndata, memseg_sz, ecache_alignsize); 23165648Ssetje if (msp == NULL) 23175648Ssetje return (1); 23185648Ssetje PRM_DEBUG(memseg_free); 23195648Ssetje 23205648Ssetje while (nseg--) { 23215648Ssetje msp->next = memseg_free; 23225648Ssetje memseg_free = msp; 23235648Ssetje msp++; 23245648Ssetje } 23255648Ssetje return (0); 23265648Ssetje } 23275648Ssetje 23280Sstevel@tonic-gate /* 23290Sstevel@tonic-gate * In the case of architectures that support dynamic addition of 23300Sstevel@tonic-gate * memory at run-time there are two cases where memsegs need to 23310Sstevel@tonic-gate * be initialized and added to the memseg list. 23320Sstevel@tonic-gate * 1) memsegs that are constructed at startup. 23330Sstevel@tonic-gate * 2) memsegs that are constructed at run-time on 23340Sstevel@tonic-gate * hot-plug capable architectures. 23350Sstevel@tonic-gate * This code was originally part of the function kphysm_init(). 23360Sstevel@tonic-gate */ 23370Sstevel@tonic-gate 23380Sstevel@tonic-gate static void 23390Sstevel@tonic-gate memseg_list_add(struct memseg *memsegp) 23400Sstevel@tonic-gate { 23410Sstevel@tonic-gate struct memseg **prev_memsegp; 23420Sstevel@tonic-gate pgcnt_t num; 23430Sstevel@tonic-gate 23440Sstevel@tonic-gate /* insert in memseg list, decreasing number of pages order */ 23450Sstevel@tonic-gate 23460Sstevel@tonic-gate num = MSEG_NPAGES(memsegp); 23470Sstevel@tonic-gate 23480Sstevel@tonic-gate for (prev_memsegp = &memsegs; *prev_memsegp; 23490Sstevel@tonic-gate prev_memsegp = &((*prev_memsegp)->next)) { 23500Sstevel@tonic-gate if (num > MSEG_NPAGES(*prev_memsegp)) 23510Sstevel@tonic-gate break; 23520Sstevel@tonic-gate } 23530Sstevel@tonic-gate 23540Sstevel@tonic-gate memsegp->next = *prev_memsegp; 23550Sstevel@tonic-gate *prev_memsegp = memsegp; 23560Sstevel@tonic-gate 23570Sstevel@tonic-gate if (kpm_enable) { 23580Sstevel@tonic-gate memsegp->nextpa = (memsegp->next) ? 23594528Spaulsan va_to_pa(memsegp->next) : MSEG_NULLPTR_PA; 23600Sstevel@tonic-gate 23610Sstevel@tonic-gate if (prev_memsegp != &memsegs) { 23620Sstevel@tonic-gate struct memseg *msp; 23630Sstevel@tonic-gate msp = (struct memseg *)((caddr_t)prev_memsegp - 23644528Spaulsan offsetof(struct memseg, next)); 23650Sstevel@tonic-gate msp->nextpa = va_to_pa(memsegp); 23660Sstevel@tonic-gate } else { 23670Sstevel@tonic-gate memsegspa = va_to_pa(memsegs); 23680Sstevel@tonic-gate } 23690Sstevel@tonic-gate } 23700Sstevel@tonic-gate } 23710Sstevel@tonic-gate 23720Sstevel@tonic-gate /* 23730Sstevel@tonic-gate * PSM add_physmem_cb(). US-II and newer processors have some 23740Sstevel@tonic-gate * flavor of the prefetch capability implemented. We exploit 23750Sstevel@tonic-gate * this capability for optimum performance. 23760Sstevel@tonic-gate */ 23770Sstevel@tonic-gate #define PREFETCH_BYTES 64 23780Sstevel@tonic-gate 23790Sstevel@tonic-gate void 23800Sstevel@tonic-gate add_physmem_cb(page_t *pp, pfn_t pnum) 23810Sstevel@tonic-gate { 23820Sstevel@tonic-gate extern void prefetch_page_w(void *); 23830Sstevel@tonic-gate 23840Sstevel@tonic-gate pp->p_pagenum = pnum; 23850Sstevel@tonic-gate 23860Sstevel@tonic-gate /* 23870Sstevel@tonic-gate * Prefetch one more page_t into E$. To prevent future 23880Sstevel@tonic-gate * mishaps with the sizeof(page_t) changing on us, we 23890Sstevel@tonic-gate * catch this on debug kernels if we can't bring in the 23900Sstevel@tonic-gate * entire hpage with 2 PREFETCH_BYTES reads. See 23910Sstevel@tonic-gate * also, sun4u/cpu/cpu_module.c 23920Sstevel@tonic-gate */ 23930Sstevel@tonic-gate /*LINTED*/ 23940Sstevel@tonic-gate ASSERT(sizeof (page_t) <= 2*PREFETCH_BYTES); 23950Sstevel@tonic-gate prefetch_page_w((char *)pp); 23960Sstevel@tonic-gate } 23970Sstevel@tonic-gate 23980Sstevel@tonic-gate /* 23995648Ssetje * Find memseg with given pfn 24005648Ssetje */ 24015648Ssetje static struct memseg * 24025648Ssetje memseg_find(pfn_t base, pfn_t *next) 24035648Ssetje { 24045648Ssetje struct memseg *seg; 24055648Ssetje 24065648Ssetje if (next != NULL) 24075648Ssetje *next = LONG_MAX; 24085648Ssetje for (seg = memsegs; seg != NULL; seg = seg->next) { 24095648Ssetje if (base >= seg->pages_base && base < seg->pages_end) 24105648Ssetje return (seg); 24115648Ssetje if (next != NULL && seg->pages_base > base && 24125648Ssetje seg->pages_base < *next) 24135648Ssetje *next = seg->pages_base; 24145648Ssetje } 24155648Ssetje return (NULL); 24165648Ssetje } 24175648Ssetje 24185648Ssetje extern struct vnode prom_ppages; 24195648Ssetje 24205648Ssetje /* 24215648Ssetje * Put page allocated by OBP on prom_ppages 24220Sstevel@tonic-gate */ 24230Sstevel@tonic-gate static void 24245648Ssetje kphysm_erase(uint64_t addr, uint64_t len) 24255648Ssetje { 24265648Ssetje struct page *pp; 24275648Ssetje struct memseg *seg; 24285648Ssetje pfn_t base = btop(addr), next; 24295648Ssetje pgcnt_t num = btop(len); 24305648Ssetje 24315648Ssetje while (num != 0) { 24325648Ssetje pgcnt_t off, left; 24335648Ssetje 24345648Ssetje seg = memseg_find(base, &next); 24355648Ssetje if (seg == NULL) { 24365648Ssetje if (next == LONG_MAX) 24375648Ssetje break; 24385648Ssetje left = MIN(next - base, num); 24395648Ssetje base += left, num -= left; 24405648Ssetje continue; 24415648Ssetje } 24425648Ssetje off = base - seg->pages_base; 24435648Ssetje pp = seg->pages + off; 24445648Ssetje left = num - MIN(num, (seg->pages_end - seg->pages_base) - off); 24455648Ssetje while (num != left) { 24465648Ssetje /* 24475648Ssetje * init it, lock it, and hashin on prom_pages vp. 24485648Ssetje * 24495648Ssetje * XXX vnode offsets on the prom_ppages vnode 24505648Ssetje * are page numbers (gack) for >32 bit 24515648Ssetje * physical memory machines. 24525648Ssetje */ 24535648Ssetje add_physmem_cb(pp, base); 24545648Ssetje if (page_trylock(pp, SE_EXCL) == 0) 24555648Ssetje cmn_err(CE_PANIC, "prom page locked"); 24565648Ssetje (void) page_hashin(pp, &prom_ppages, 24575648Ssetje (offset_t)base, NULL); 24585648Ssetje (void) page_pp_lock(pp, 0, 1); 24595648Ssetje pp++, base++, num--; 24605648Ssetje } 24615648Ssetje } 24625648Ssetje } 24635648Ssetje 24645648Ssetje static page_t *ppnext; 24655648Ssetje static pgcnt_t ppleft; 24665648Ssetje 24675648Ssetje static void *kpm_ppnext; 24685648Ssetje static pgcnt_t kpm_ppleft; 24695648Ssetje 24705648Ssetje /* 24715648Ssetje * Create a memseg 24725648Ssetje */ 24735648Ssetje static void 24745648Ssetje kphysm_memseg(uint64_t addr, uint64_t len) 24750Sstevel@tonic-gate { 24765648Ssetje pfn_t base = btop(addr); 24775648Ssetje pgcnt_t num = btop(len); 24785648Ssetje struct memseg *seg; 24795648Ssetje 24805648Ssetje seg = memseg_free; 24815648Ssetje memseg_free = seg->next; 24825648Ssetje ASSERT(seg != NULL); 24835648Ssetje 24845648Ssetje seg->pages = ppnext; 24855648Ssetje seg->epages = ppnext + num; 24865648Ssetje seg->pages_base = base; 24875648Ssetje seg->pages_end = base + num; 24885648Ssetje ppnext += num; 24895648Ssetje ppleft -= num; 24905648Ssetje 24915648Ssetje if (kpm_enable) { 24925648Ssetje pgcnt_t kpnum = ptokpmpr(num); 24935648Ssetje 24945648Ssetje if (kpnum > kpm_ppleft) 24955648Ssetje panic("kphysm_memseg: kpm_pp overflow"); 24965648Ssetje seg->pagespa = va_to_pa(seg->pages); 24975648Ssetje seg->epagespa = va_to_pa(seg->epages); 24985648Ssetje seg->kpm_pbase = kpmptop(ptokpmp(base)); 24995648Ssetje seg->kpm_nkpmpgs = kpnum; 25005648Ssetje /* 25015648Ssetje * In the kpm_smallpage case, the kpm array 25025648Ssetje * is 1-1 wrt the page array 25035648Ssetje */ 25045648Ssetje if (kpm_smallpages) { 25055648Ssetje kpm_spage_t *kpm_pp = kpm_ppnext; 25065648Ssetje 25075648Ssetje kpm_ppnext = kpm_pp + kpnum; 25085648Ssetje seg->kpm_spages = kpm_pp; 25095648Ssetje seg->kpm_pagespa = va_to_pa(seg->kpm_spages); 25105648Ssetje } else { 25115648Ssetje kpm_page_t *kpm_pp = kpm_ppnext; 25125648Ssetje 25135648Ssetje kpm_ppnext = kpm_pp + kpnum; 25145648Ssetje seg->kpm_pages = kpm_pp; 25155648Ssetje seg->kpm_pagespa = va_to_pa(seg->kpm_pages); 25165648Ssetje /* ASSERT no kpm overlaps */ 25175648Ssetje ASSERT( 25185648Ssetje memseg_find(base - pmodkpmp(base), NULL) == NULL); 25195648Ssetje ASSERT(memseg_find( 25205648Ssetje roundup(base + num, kpmpnpgs) - 1, NULL) == NULL); 25215648Ssetje } 25225648Ssetje kpm_ppleft -= num; 25235648Ssetje } 25245648Ssetje 25255648Ssetje memseg_list_add(seg); 25265648Ssetje } 25275648Ssetje 25285648Ssetje /* 25295648Ssetje * Add range to free list 25305648Ssetje */ 25315648Ssetje void 25325648Ssetje kphysm_add(uint64_t addr, uint64_t len, int reclaim) 25335648Ssetje { 25345648Ssetje struct page *pp; 25355648Ssetje struct memseg *seg; 25365648Ssetje pfn_t base = btop(addr); 25375648Ssetje pgcnt_t num = btop(len); 25385648Ssetje 25395648Ssetje seg = memseg_find(base, NULL); 25405648Ssetje ASSERT(seg != NULL); 25415648Ssetje pp = seg->pages + (base - seg->pages_base); 25425648Ssetje 25435648Ssetje if (reclaim) { 25445648Ssetje struct page *rpp = pp; 25455648Ssetje struct page *lpp = pp + num; 25460Sstevel@tonic-gate 25470Sstevel@tonic-gate /* 25485648Ssetje * page should be locked on prom_ppages 25495648Ssetje * unhash and unlock it 25500Sstevel@tonic-gate */ 25515648Ssetje while (rpp < lpp) { 25525648Ssetje ASSERT(PAGE_EXCL(rpp) && rpp->p_vnode == &prom_ppages); 25535648Ssetje page_pp_unlock(rpp, 0, 1); 25545648Ssetje page_hashout(rpp, NULL); 25555648Ssetje page_unlock(rpp); 25565648Ssetje rpp++; 25570Sstevel@tonic-gate } 25580Sstevel@tonic-gate } 25590Sstevel@tonic-gate 25605648Ssetje /* 25615648Ssetje * add_physmem() initializes the PSM part of the page 25625648Ssetje * struct by calling the PSM back with add_physmem_cb(). 25635648Ssetje * In addition it coalesces pages into larger pages as 25645648Ssetje * it initializes them. 25655648Ssetje */ 25665648Ssetje add_physmem(pp, num, base); 25675648Ssetje } 25685648Ssetje 25695648Ssetje /* 25705648Ssetje * kphysm_init() tackles the problem of initializing physical memory. 25715648Ssetje */ 25725648Ssetje static void 25735648Ssetje kphysm_init(void) 25745648Ssetje { 25755648Ssetje struct memlist *pmem; 25765648Ssetje 25775648Ssetje ASSERT(page_hash != NULL && page_hashsz != 0); 25785648Ssetje 25795648Ssetje ppnext = pp_base; 25805648Ssetje ppleft = npages; 25815648Ssetje kpm_ppnext = kpm_pp_base; 25825648Ssetje kpm_ppleft = kpm_npages; 25835648Ssetje 25845648Ssetje /* 25855648Ssetje * installed pages not on nopp_memlist go in memseg list 25865648Ssetje */ 25875648Ssetje diff_memlists(phys_install, nopp_list, kphysm_memseg); 25885648Ssetje 25895648Ssetje /* 25905648Ssetje * Free the avail list 25915648Ssetje */ 25925648Ssetje for (pmem = phys_avail; pmem != NULL; pmem = pmem->next) 25935648Ssetje kphysm_add(pmem->address, pmem->size, 0); 25945648Ssetje 25955648Ssetje /* 25965648Ssetje * Erase pages that aren't available 25975648Ssetje */ 25985648Ssetje diff_memlists(phys_install, phys_avail, kphysm_erase); 25995648Ssetje 26000Sstevel@tonic-gate build_pfn_hash(); 26010Sstevel@tonic-gate } 26020Sstevel@tonic-gate 26030Sstevel@tonic-gate /* 26040Sstevel@tonic-gate * Kernel VM initialization. 26050Sstevel@tonic-gate * Assumptions about kernel address space ordering: 26060Sstevel@tonic-gate * (1) gap (user space) 26070Sstevel@tonic-gate * (2) kernel text 26080Sstevel@tonic-gate * (3) kernel data/bss 26090Sstevel@tonic-gate * (4) gap 26100Sstevel@tonic-gate * (5) kernel data structures 26110Sstevel@tonic-gate * (6) gap 26120Sstevel@tonic-gate * (7) debugger (optional) 26130Sstevel@tonic-gate * (8) monitor 26140Sstevel@tonic-gate * (9) gap (possibly null) 26150Sstevel@tonic-gate * (10) dvma 26160Sstevel@tonic-gate * (11) devices 26170Sstevel@tonic-gate */ 26180Sstevel@tonic-gate static void 26190Sstevel@tonic-gate kvm_init(void) 26200Sstevel@tonic-gate { 26210Sstevel@tonic-gate /* 26220Sstevel@tonic-gate * Put the kernel segments in kernel address space. 26230Sstevel@tonic-gate */ 26240Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 26250Sstevel@tonic-gate as_avlinit(&kas); 26260Sstevel@tonic-gate 26270Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)KERNELBASE, 26280Sstevel@tonic-gate (size_t)(e_moddata - KERNELBASE), &ktextseg); 26290Sstevel@tonic-gate (void) segkmem_create(&ktextseg); 26300Sstevel@tonic-gate 26310Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)(KERNELBASE + MMU_PAGESIZE4M), 26320Sstevel@tonic-gate (size_t)(MMU_PAGESIZE4M), &ktexthole); 26330Sstevel@tonic-gate (void) segkmem_create(&ktexthole); 26340Sstevel@tonic-gate 26350Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)valloc_base, 26360Sstevel@tonic-gate (size_t)(econtig32 - valloc_base), &kvalloc); 26370Sstevel@tonic-gate (void) segkmem_create(&kvalloc); 26380Sstevel@tonic-gate 26390Sstevel@tonic-gate if (kmem64_base) { 26404528Spaulsan (void) seg_attach(&kas, (caddr_t)kmem64_base, 26414528Spaulsan (size_t)(kmem64_end - kmem64_base), &kmem64); 26424528Spaulsan (void) segkmem_create(&kmem64); 26430Sstevel@tonic-gate } 26440Sstevel@tonic-gate 26450Sstevel@tonic-gate /* 26460Sstevel@tonic-gate * We're about to map out /boot. This is the beginning of the 26470Sstevel@tonic-gate * system resource management transition. We can no longer 26480Sstevel@tonic-gate * call into /boot for I/O or memory allocations. 26490Sstevel@tonic-gate */ 26500Sstevel@tonic-gate (void) seg_attach(&kas, kernelheap, ekernelheap - kernelheap, &kvseg); 26510Sstevel@tonic-gate (void) segkmem_create(&kvseg); 26520Sstevel@tonic-gate hblk_alloc_dynamic = 1; 26530Sstevel@tonic-gate 26540Sstevel@tonic-gate /* 26550Sstevel@tonic-gate * we need to preallocate pages for DR operations before enabling large 26560Sstevel@tonic-gate * page kernel heap because of memseg_remap_init() hat_unload() hack. 26570Sstevel@tonic-gate */ 26580Sstevel@tonic-gate memseg_remap_init(); 26590Sstevel@tonic-gate 26600Sstevel@tonic-gate /* at this point we are ready to use large page heap */ 26610Sstevel@tonic-gate segkmem_heap_lp_init(); 26620Sstevel@tonic-gate 26630Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)SYSBASE32, SYSLIMIT32 - SYSBASE32, 26640Sstevel@tonic-gate &kvseg32); 26650Sstevel@tonic-gate (void) segkmem_create(&kvseg32); 26660Sstevel@tonic-gate 26670Sstevel@tonic-gate /* 26680Sstevel@tonic-gate * Create a segment for the debugger. 26690Sstevel@tonic-gate */ 26703446Smrj (void) seg_attach(&kas, kdi_segdebugbase, kdi_segdebugsize, &kdebugseg); 26710Sstevel@tonic-gate (void) segkmem_create(&kdebugseg); 26720Sstevel@tonic-gate 26730Sstevel@tonic-gate rw_exit(&kas.a_lock); 26740Sstevel@tonic-gate } 26750Sstevel@tonic-gate 26760Sstevel@tonic-gate char obp_tte_str[] = 26770Sstevel@tonic-gate "h# %x constant MMU_PAGESHIFT " 26780Sstevel@tonic-gate "h# %x constant TTE8K " 26790Sstevel@tonic-gate "h# %x constant SFHME_SIZE " 26800Sstevel@tonic-gate "h# %x constant SFHME_TTE " 26810Sstevel@tonic-gate "h# %x constant HMEBLK_TAG " 26820Sstevel@tonic-gate "h# %x constant HMEBLK_NEXT " 26830Sstevel@tonic-gate "h# %x constant HMEBLK_MISC " 26840Sstevel@tonic-gate "h# %x constant HMEBLK_HME1 " 26850Sstevel@tonic-gate "h# %x constant NHMENTS " 26860Sstevel@tonic-gate "h# %x constant HBLK_SZMASK " 26870Sstevel@tonic-gate "h# %x constant HBLK_RANGE_SHIFT " 26880Sstevel@tonic-gate "h# %x constant HMEBP_HBLK " 26890Sstevel@tonic-gate "h# %x constant HMEBUCKET_SIZE " 26900Sstevel@tonic-gate "h# %x constant HTAG_SFMMUPSZ " 26914528Spaulsan "h# %x constant HTAG_BSPAGE_SHIFT " 26924528Spaulsan "h# %x constant HTAG_REHASH_SHIFT " 26934528Spaulsan "h# %x constant SFMMU_INVALID_SHMERID " 26940Sstevel@tonic-gate "h# %x constant mmu_hashcnt " 26950Sstevel@tonic-gate "h# %p constant uhme_hash " 26960Sstevel@tonic-gate "h# %p constant khme_hash " 26970Sstevel@tonic-gate "h# %x constant UHMEHASH_SZ " 26980Sstevel@tonic-gate "h# %x constant KHMEHASH_SZ " 26992241Shuah "h# %p constant KCONTEXT " 27000Sstevel@tonic-gate "h# %p constant KHATID " 27010Sstevel@tonic-gate "h# %x constant ASI_MEM " 27020Sstevel@tonic-gate 27030Sstevel@tonic-gate ": PHYS-X@ ( phys -- data ) " 27040Sstevel@tonic-gate " ASI_MEM spacex@ " 27050Sstevel@tonic-gate "; " 27060Sstevel@tonic-gate 27070Sstevel@tonic-gate ": PHYS-W@ ( phys -- data ) " 27080Sstevel@tonic-gate " ASI_MEM spacew@ " 27090Sstevel@tonic-gate "; " 27100Sstevel@tonic-gate 27110Sstevel@tonic-gate ": PHYS-L@ ( phys -- data ) " 27120Sstevel@tonic-gate " ASI_MEM spaceL@ " 27130Sstevel@tonic-gate "; " 27140Sstevel@tonic-gate 27150Sstevel@tonic-gate ": TTE_PAGE_SHIFT ( ttesz -- hmeshift ) " 27160Sstevel@tonic-gate " 3 * MMU_PAGESHIFT + " 27170Sstevel@tonic-gate "; " 27180Sstevel@tonic-gate 27190Sstevel@tonic-gate ": TTE_IS_VALID ( ttep -- flag ) " 27200Sstevel@tonic-gate " PHYS-X@ 0< " 27210Sstevel@tonic-gate "; " 27220Sstevel@tonic-gate 27230Sstevel@tonic-gate ": HME_HASH_SHIFT ( ttesz -- hmeshift ) " 27240Sstevel@tonic-gate " dup TTE8K = if " 27250Sstevel@tonic-gate " drop HBLK_RANGE_SHIFT " 27260Sstevel@tonic-gate " else " 27270Sstevel@tonic-gate " TTE_PAGE_SHIFT " 27280Sstevel@tonic-gate " then " 27290Sstevel@tonic-gate "; " 27300Sstevel@tonic-gate 27310Sstevel@tonic-gate ": HME_HASH_BSPAGE ( addr hmeshift -- bspage ) " 27320Sstevel@tonic-gate " tuck >> swap MMU_PAGESHIFT - << " 27330Sstevel@tonic-gate "; " 27340Sstevel@tonic-gate 27350Sstevel@tonic-gate ": HME_HASH_FUNCTION ( sfmmup addr hmeshift -- hmebp ) " 27360Sstevel@tonic-gate " >> over xor swap ( hash sfmmup ) " 27370Sstevel@tonic-gate " KHATID <> if ( hash ) " 27380Sstevel@tonic-gate " UHMEHASH_SZ and ( bucket ) " 27390Sstevel@tonic-gate " HMEBUCKET_SIZE * uhme_hash + ( hmebp ) " 27400Sstevel@tonic-gate " else ( hash ) " 27410Sstevel@tonic-gate " KHMEHASH_SZ and ( bucket ) " 27420Sstevel@tonic-gate " HMEBUCKET_SIZE * khme_hash + ( hmebp ) " 27430Sstevel@tonic-gate " then ( hmebp ) " 27440Sstevel@tonic-gate "; " 27450Sstevel@tonic-gate 27460Sstevel@tonic-gate ": HME_HASH_TABLE_SEARCH " 27470Sstevel@tonic-gate " ( sfmmup hmebp hblktag -- sfmmup null | sfmmup hmeblkp ) " 27480Sstevel@tonic-gate " >r hmebp_hblk + phys-x@ begin ( sfmmup hmeblkp ) ( r: hblktag ) " 27490Sstevel@tonic-gate " dup if ( sfmmup hmeblkp ) ( r: hblktag ) " 27500Sstevel@tonic-gate " dup hmeblk_tag + phys-x@ r@ = if ( sfmmup hmeblkp ) " 27510Sstevel@tonic-gate " dup hmeblk_tag + 8 + phys-x@ 2 pick = if " 27520Sstevel@tonic-gate " true ( sfmmup hmeblkp true ) ( r: hblktag ) " 27530Sstevel@tonic-gate " else " 27540Sstevel@tonic-gate " hmeblk_next + phys-x@ false " 27550Sstevel@tonic-gate " ( sfmmup hmeblkp false ) ( r: hblktag ) " 27560Sstevel@tonic-gate " then " 27570Sstevel@tonic-gate " else " 27580Sstevel@tonic-gate " hmeblk_next + phys-x@ false " 27590Sstevel@tonic-gate " ( sfmmup hmeblkp false ) ( r: hblktag ) " 27600Sstevel@tonic-gate " then " 27610Sstevel@tonic-gate " else " 27620Sstevel@tonic-gate " true " 27630Sstevel@tonic-gate " then " 27640Sstevel@tonic-gate " until r> drop " 27650Sstevel@tonic-gate "; " 27660Sstevel@tonic-gate 27670Sstevel@tonic-gate ": HME_HASH_TAG ( sfmmup rehash addr -- hblktag ) " 27684528Spaulsan " over HME_HASH_SHIFT HME_HASH_BSPAGE ( sfmmup rehash bspage ) " 27694528Spaulsan " HTAG_BSPAGE_SHIFT << ( sfmmup rehash htag-bspage )" 27704528Spaulsan " swap HTAG_REHASH_SHIFT << or ( sfmmup htag-bspage-rehash )" 27714528Spaulsan " SFMMU_INVALID_SHMERID or nip ( hblktag ) " 27720Sstevel@tonic-gate "; " 27730Sstevel@tonic-gate 27740Sstevel@tonic-gate ": HBLK_TO_TTEP ( hmeblkp addr -- ttep ) " 27750Sstevel@tonic-gate " over HMEBLK_MISC + PHYS-L@ HBLK_SZMASK and ( hmeblkp addr ttesz ) " 27760Sstevel@tonic-gate " TTE8K = if ( hmeblkp addr ) " 27770Sstevel@tonic-gate " MMU_PAGESHIFT >> NHMENTS 1- and ( hmeblkp hme-index ) " 27780Sstevel@tonic-gate " else ( hmeblkp addr ) " 27790Sstevel@tonic-gate " drop 0 ( hmeblkp 0 ) " 27800Sstevel@tonic-gate " then ( hmeblkp hme-index ) " 27810Sstevel@tonic-gate " SFHME_SIZE * + HMEBLK_HME1 + ( hmep ) " 27820Sstevel@tonic-gate " SFHME_TTE + ( ttep ) " 27830Sstevel@tonic-gate "; " 27840Sstevel@tonic-gate 27850Sstevel@tonic-gate ": unix-tte ( addr cnum -- false | tte-data true ) " 27862241Shuah " KCONTEXT = if ( addr ) " 27872241Shuah " KHATID ( addr khatid ) " 27882241Shuah " else ( addr ) " 27892241Shuah " drop false exit ( false ) " 27902241Shuah " then " 27912241Shuah " ( addr khatid ) " 27920Sstevel@tonic-gate " mmu_hashcnt 1+ 1 do ( addr sfmmup ) " 27930Sstevel@tonic-gate " 2dup swap i HME_HASH_SHIFT " 27940Sstevel@tonic-gate "( addr sfmmup sfmmup addr hmeshift ) " 27950Sstevel@tonic-gate " HME_HASH_FUNCTION ( addr sfmmup hmebp ) " 27960Sstevel@tonic-gate " over i 4 pick " 27970Sstevel@tonic-gate "( addr sfmmup hmebp sfmmup rehash addr ) " 27980Sstevel@tonic-gate " HME_HASH_TAG ( addr sfmmup hmebp hblktag ) " 27990Sstevel@tonic-gate " HME_HASH_TABLE_SEARCH " 28000Sstevel@tonic-gate "( addr sfmmup { null | hmeblkp } ) " 28010Sstevel@tonic-gate " ?dup if ( addr sfmmup hmeblkp ) " 28020Sstevel@tonic-gate " nip swap HBLK_TO_TTEP ( ttep ) " 28030Sstevel@tonic-gate " dup TTE_IS_VALID if ( valid-ttep ) " 28040Sstevel@tonic-gate " PHYS-X@ true ( tte-data true ) " 28050Sstevel@tonic-gate " else ( invalid-tte ) " 28060Sstevel@tonic-gate " drop false ( false ) " 28070Sstevel@tonic-gate " then ( false | tte-data true ) " 28080Sstevel@tonic-gate " unloop exit ( false | tte-data true ) " 28090Sstevel@tonic-gate " then ( addr sfmmup ) " 28100Sstevel@tonic-gate " loop ( addr sfmmup ) " 28110Sstevel@tonic-gate " 2drop false ( false ) " 28120Sstevel@tonic-gate "; " 28130Sstevel@tonic-gate ; 28140Sstevel@tonic-gate 28150Sstevel@tonic-gate void 28160Sstevel@tonic-gate create_va_to_tte(void) 28170Sstevel@tonic-gate { 28180Sstevel@tonic-gate char *bp; 28190Sstevel@tonic-gate extern int khmehash_num, uhmehash_num; 28200Sstevel@tonic-gate extern struct hmehash_bucket *khme_hash, *uhme_hash; 28210Sstevel@tonic-gate 28220Sstevel@tonic-gate #define OFFSET(type, field) ((uintptr_t)(&((type *)0)->field)) 28230Sstevel@tonic-gate 28240Sstevel@tonic-gate bp = (char *)kobj_zalloc(MMU_PAGESIZE, KM_SLEEP); 28250Sstevel@tonic-gate 28260Sstevel@tonic-gate /* 28270Sstevel@tonic-gate * Teach obp how to parse our sw ttes. 28280Sstevel@tonic-gate */ 28290Sstevel@tonic-gate (void) sprintf(bp, obp_tte_str, 28300Sstevel@tonic-gate MMU_PAGESHIFT, 28310Sstevel@tonic-gate TTE8K, 28320Sstevel@tonic-gate sizeof (struct sf_hment), 28330Sstevel@tonic-gate OFFSET(struct sf_hment, hme_tte), 28340Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_tag), 28350Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_nextpa), 28360Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_misc), 28370Sstevel@tonic-gate OFFSET(struct hme_blk, hblk_hme), 28380Sstevel@tonic-gate NHMENTS, 28390Sstevel@tonic-gate HBLK_SZMASK, 28400Sstevel@tonic-gate HBLK_RANGE_SHIFT, 28410Sstevel@tonic-gate OFFSET(struct hmehash_bucket, hmeh_nextpa), 28420Sstevel@tonic-gate sizeof (struct hmehash_bucket), 28430Sstevel@tonic-gate HTAG_SFMMUPSZ, 28444528Spaulsan HTAG_BSPAGE_SHIFT, 28454528Spaulsan HTAG_REHASH_SHIFT, 28464528Spaulsan SFMMU_INVALID_SHMERID, 28470Sstevel@tonic-gate mmu_hashcnt, 28480Sstevel@tonic-gate (caddr_t)va_to_pa((caddr_t)uhme_hash), 28490Sstevel@tonic-gate (caddr_t)va_to_pa((caddr_t)khme_hash), 28500Sstevel@tonic-gate UHMEHASH_SZ, 28510Sstevel@tonic-gate KHMEHASH_SZ, 28522241Shuah KCONTEXT, 28530Sstevel@tonic-gate KHATID, 28540Sstevel@tonic-gate ASI_MEM); 28550Sstevel@tonic-gate prom_interpret(bp, 0, 0, 0, 0, 0); 28560Sstevel@tonic-gate 28570Sstevel@tonic-gate kobj_free(bp, MMU_PAGESIZE); 28580Sstevel@tonic-gate } 28590Sstevel@tonic-gate 28600Sstevel@tonic-gate void 28610Sstevel@tonic-gate install_va_to_tte(void) 28620Sstevel@tonic-gate { 28630Sstevel@tonic-gate /* 28640Sstevel@tonic-gate * advise prom that he can use unix-tte 28650Sstevel@tonic-gate */ 28660Sstevel@tonic-gate prom_interpret("' unix-tte is va>tte-data", 0, 0, 0, 0, 0); 28670Sstevel@tonic-gate } 28680Sstevel@tonic-gate 28691253Slq150181 /* 28703928Slq150181 * Here we add "device-type=console" for /os-io node, for currently 28713928Slq150181 * our kernel console output only supports displaying text and 28723928Slq150181 * performing cursor-positioning operations (through kernel framebuffer 28733928Slq150181 * driver) and it doesn't support other functionalities required for a 28743928Slq150181 * standard "display" device as specified in 1275 spec. The main missing 28753928Slq150181 * interface defined by the 1275 spec is "draw-logo". 28763928Slq150181 * also see the comments above prom_stdout_is_framebuffer(). 28771253Slq150181 */ 28780Sstevel@tonic-gate static char *create_node = 28791492Slq150181 "\" /\" find-device " 28800Sstevel@tonic-gate "new-device " 28810Sstevel@tonic-gate "\" os-io\" device-name " 28823928Slq150181 "\" "OBP_DISPLAY_CONSOLE"\" device-type " 28830Sstevel@tonic-gate ": cb-r/w ( adr,len method$ -- #read/#written ) " 28840Sstevel@tonic-gate " 2>r swap 2 2r> ['] $callback catch if " 28850Sstevel@tonic-gate " 2drop 3drop 0 " 28860Sstevel@tonic-gate " then " 28870Sstevel@tonic-gate "; " 28880Sstevel@tonic-gate ": read ( adr,len -- #read ) " 28890Sstevel@tonic-gate " \" read\" ['] cb-r/w catch if 2drop 2drop -2 exit then " 28900Sstevel@tonic-gate " ( retN ... ret1 N ) " 28910Sstevel@tonic-gate " ?dup if " 28920Sstevel@tonic-gate " swap >r 1- 0 ?do drop loop r> " 28930Sstevel@tonic-gate " else " 28940Sstevel@tonic-gate " -2 " 28951492Slq150181 " then " 28960Sstevel@tonic-gate "; " 28970Sstevel@tonic-gate ": write ( adr,len -- #written ) " 28980Sstevel@tonic-gate " \" write\" ['] cb-r/w catch if 2drop 2drop 0 exit then " 28990Sstevel@tonic-gate " ( retN ... ret1 N ) " 29000Sstevel@tonic-gate " ?dup if " 29010Sstevel@tonic-gate " swap >r 1- 0 ?do drop loop r> " 29020Sstevel@tonic-gate " else " 29030Sstevel@tonic-gate " 0 " 29040Sstevel@tonic-gate " then " 29050Sstevel@tonic-gate "; " 29060Sstevel@tonic-gate ": poll-tty ( -- ) ; " 29070Sstevel@tonic-gate ": install-abort ( -- ) ['] poll-tty d# 10 alarm ; " 29080Sstevel@tonic-gate ": remove-abort ( -- ) ['] poll-tty 0 alarm ; " 29090Sstevel@tonic-gate ": cb-give/take ( $method -- ) " 29100Sstevel@tonic-gate " 0 -rot ['] $callback catch ?dup if " 29110Sstevel@tonic-gate " >r 2drop 2drop r> throw " 29120Sstevel@tonic-gate " else " 29130Sstevel@tonic-gate " 0 ?do drop loop " 29140Sstevel@tonic-gate " then " 29150Sstevel@tonic-gate "; " 29160Sstevel@tonic-gate ": give ( -- ) \" exit-input\" cb-give/take ; " 29170Sstevel@tonic-gate ": take ( -- ) \" enter-input\" cb-give/take ; " 29180Sstevel@tonic-gate ": open ( -- ok? ) true ; " 29190Sstevel@tonic-gate ": close ( -- ) ; " 29200Sstevel@tonic-gate "finish-device " 29210Sstevel@tonic-gate "device-end "; 29220Sstevel@tonic-gate 29230Sstevel@tonic-gate /* 29241253Slq150181 * Create the OBP input/output node (FCode serial driver). 29251253Slq150181 * It is needed for both USB console keyboard and for 29261253Slq150181 * the kernel terminal emulator. It is too early to check for a 29271253Slq150181 * kernel console compatible framebuffer now, so we create this 29281253Slq150181 * so that we're ready if we need to enable kernel terminal emulation. 29290Sstevel@tonic-gate * 29301253Slq150181 * When the USB software takes over the input device at the time 29311253Slq150181 * consconfig runs, OBP's stdin is redirected to this node. 29321253Slq150181 * Whenever the FORTH user interface is used after this switch, 29331253Slq150181 * the node will call back into the kernel for console input. 29341253Slq150181 * If a serial device such as ttya or a UART with a Type 5 keyboard 29351253Slq150181 * attached is used, OBP takes over the serial device when the system 29361253Slq150181 * goes to the debugger after the system is booted. This sharing 29371253Slq150181 * of the relatively simple serial device is difficult but possible. 29381253Slq150181 * Sharing the USB host controller is impossible due its complexity. 29391253Slq150181 * 29401253Slq150181 * Similarly to USB keyboard input redirection, after consconfig_dacf 29411253Slq150181 * configures a kernel console framebuffer as the standard output 29421253Slq150181 * device, OBP's stdout is switched to to vector through the 29431253Slq150181 * /os-io node into the kernel terminal emulator. 29440Sstevel@tonic-gate */ 29450Sstevel@tonic-gate static void 29461253Slq150181 startup_create_io_node(void) 29470Sstevel@tonic-gate { 29481253Slq150181 prom_interpret(create_node, 0, 0, 0, 0, 0); 29490Sstevel@tonic-gate } 29500Sstevel@tonic-gate 29510Sstevel@tonic-gate 29520Sstevel@tonic-gate static void 29530Sstevel@tonic-gate do_prom_version_check(void) 29540Sstevel@tonic-gate { 29550Sstevel@tonic-gate int i; 2956789Sahrens pnode_t node; 29570Sstevel@tonic-gate char buf[64]; 29580Sstevel@tonic-gate static char drev[] = "Down-rev firmware detected%s\n" 29594528Spaulsan "\tPlease upgrade to the following minimum version:\n" 29604528Spaulsan "\t\t%s\n"; 29610Sstevel@tonic-gate 29620Sstevel@tonic-gate i = prom_version_check(buf, sizeof (buf), &node); 29630Sstevel@tonic-gate 29640Sstevel@tonic-gate if (i == PROM_VER64_OK) 29650Sstevel@tonic-gate return; 29660Sstevel@tonic-gate 29670Sstevel@tonic-gate if (i == PROM_VER64_UPGRADE) { 29680Sstevel@tonic-gate cmn_err(CE_WARN, drev, "", buf); 29690Sstevel@tonic-gate 29700Sstevel@tonic-gate #ifdef DEBUG 29710Sstevel@tonic-gate prom_enter_mon(); /* Type 'go' to continue */ 29720Sstevel@tonic-gate cmn_err(CE_WARN, "Booting with down-rev firmware\n"); 29730Sstevel@tonic-gate return; 29740Sstevel@tonic-gate #else 29750Sstevel@tonic-gate halt(0); 29760Sstevel@tonic-gate #endif 29770Sstevel@tonic-gate } 29780Sstevel@tonic-gate 29790Sstevel@tonic-gate /* 29800Sstevel@tonic-gate * The other possibility is that this is a server running 29810Sstevel@tonic-gate * good firmware, but down-rev firmware was detected on at 29820Sstevel@tonic-gate * least one other cpu board. We just complain if we see 29830Sstevel@tonic-gate * that. 29840Sstevel@tonic-gate */ 29850Sstevel@tonic-gate cmn_err(CE_WARN, drev, " on one or more CPU boards", buf); 29860Sstevel@tonic-gate } 29870Sstevel@tonic-gate 29880Sstevel@tonic-gate 29890Sstevel@tonic-gate /* 29900Sstevel@tonic-gate * Must be defined in platform dependent code. 29910Sstevel@tonic-gate */ 29920Sstevel@tonic-gate extern caddr_t modtext; 29930Sstevel@tonic-gate extern size_t modtext_sz; 29940Sstevel@tonic-gate extern caddr_t moddata; 29950Sstevel@tonic-gate 29960Sstevel@tonic-gate #define HEAPTEXT_ARENA(addr) \ 29970Sstevel@tonic-gate ((uintptr_t)(addr) < KERNELBASE + 2 * MMU_PAGESIZE4M ? 0 : \ 29980Sstevel@tonic-gate (((uintptr_t)(addr) - HEAPTEXT_BASE) / \ 29990Sstevel@tonic-gate (HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED) + 1)) 30000Sstevel@tonic-gate 30010Sstevel@tonic-gate #define HEAPTEXT_OVERSIZED(addr) \ 30020Sstevel@tonic-gate ((uintptr_t)(addr) >= HEAPTEXT_BASE + HEAPTEXT_SIZE - HEAPTEXT_OVERSIZE) 30030Sstevel@tonic-gate 30040Sstevel@tonic-gate vmem_t *texthole_source[HEAPTEXT_NARENAS]; 30050Sstevel@tonic-gate vmem_t *texthole_arena[HEAPTEXT_NARENAS]; 30060Sstevel@tonic-gate kmutex_t texthole_lock; 30070Sstevel@tonic-gate 30080Sstevel@tonic-gate char kern_bootargs[OBP_MAXPATHLEN]; 30090Sstevel@tonic-gate 30100Sstevel@tonic-gate void 30110Sstevel@tonic-gate kobj_vmem_init(vmem_t **text_arena, vmem_t **data_arena) 30120Sstevel@tonic-gate { 30130Sstevel@tonic-gate uintptr_t addr, limit; 30140Sstevel@tonic-gate 30150Sstevel@tonic-gate addr = HEAPTEXT_BASE; 30160Sstevel@tonic-gate limit = addr + HEAPTEXT_SIZE - HEAPTEXT_OVERSIZE; 30170Sstevel@tonic-gate 30180Sstevel@tonic-gate /* 30190Sstevel@tonic-gate * Before we initialize the text_arena, we want to punch holes in the 30200Sstevel@tonic-gate * underlying heaptext_arena. This guarantees that for any text 30210Sstevel@tonic-gate * address we can find a text hole less than HEAPTEXT_MAPPED away. 30220Sstevel@tonic-gate */ 30230Sstevel@tonic-gate for (; addr + HEAPTEXT_UNMAPPED <= limit; 30240Sstevel@tonic-gate addr += HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED) { 30250Sstevel@tonic-gate (void) vmem_xalloc(heaptext_arena, HEAPTEXT_UNMAPPED, PAGESIZE, 30260Sstevel@tonic-gate 0, 0, (void *)addr, (void *)(addr + HEAPTEXT_UNMAPPED), 30270Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 30280Sstevel@tonic-gate } 30290Sstevel@tonic-gate 30300Sstevel@tonic-gate /* 30310Sstevel@tonic-gate * Allocate one page at the oversize to break up the text region 30320Sstevel@tonic-gate * from the oversized region. 30330Sstevel@tonic-gate */ 30340Sstevel@tonic-gate (void) vmem_xalloc(heaptext_arena, PAGESIZE, PAGESIZE, 0, 0, 30350Sstevel@tonic-gate (void *)limit, (void *)(limit + PAGESIZE), 30360Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 30370Sstevel@tonic-gate 30383791Skchow *text_arena = vmem_create("module_text", modtext_sz ? modtext : NULL, 30393791Skchow modtext_sz, sizeof (uintptr_t), segkmem_alloc, segkmem_free, 30400Sstevel@tonic-gate heaptext_arena, 0, VM_SLEEP); 30410Sstevel@tonic-gate *data_arena = vmem_create("module_data", moddata, MODDATA, 1, 30420Sstevel@tonic-gate segkmem_alloc, segkmem_free, heap32_arena, 0, VM_SLEEP); 30430Sstevel@tonic-gate } 30440Sstevel@tonic-gate 30450Sstevel@tonic-gate caddr_t 30460Sstevel@tonic-gate kobj_text_alloc(vmem_t *arena, size_t size) 30470Sstevel@tonic-gate { 30480Sstevel@tonic-gate caddr_t rval, better; 30490Sstevel@tonic-gate 30500Sstevel@tonic-gate /* 30510Sstevel@tonic-gate * First, try a sleeping allocation. 30520Sstevel@tonic-gate */ 30530Sstevel@tonic-gate rval = vmem_alloc(arena, size, VM_SLEEP | VM_BESTFIT); 30540Sstevel@tonic-gate 30550Sstevel@tonic-gate if (size >= HEAPTEXT_MAPPED || !HEAPTEXT_OVERSIZED(rval)) 30560Sstevel@tonic-gate return (rval); 30570Sstevel@tonic-gate 30580Sstevel@tonic-gate /* 30590Sstevel@tonic-gate * We didn't get the area that we wanted. We're going to try to do an 30600Sstevel@tonic-gate * allocation with explicit constraints. 30610Sstevel@tonic-gate */ 30620Sstevel@tonic-gate better = vmem_xalloc(arena, size, sizeof (uintptr_t), 0, 0, NULL, 30630Sstevel@tonic-gate (void *)(HEAPTEXT_BASE + HEAPTEXT_SIZE - HEAPTEXT_OVERSIZE), 30640Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT); 30650Sstevel@tonic-gate 30660Sstevel@tonic-gate if (better != NULL) { 30670Sstevel@tonic-gate /* 30680Sstevel@tonic-gate * That worked. Free our first attempt and return. 30690Sstevel@tonic-gate */ 30700Sstevel@tonic-gate vmem_free(arena, rval, size); 30710Sstevel@tonic-gate return (better); 30720Sstevel@tonic-gate } 30730Sstevel@tonic-gate 30740Sstevel@tonic-gate /* 30750Sstevel@tonic-gate * That didn't work; we'll have to return our first attempt. 30760Sstevel@tonic-gate */ 30770Sstevel@tonic-gate return (rval); 30780Sstevel@tonic-gate } 30790Sstevel@tonic-gate 30800Sstevel@tonic-gate caddr_t 30810Sstevel@tonic-gate kobj_texthole_alloc(caddr_t addr, size_t size) 30820Sstevel@tonic-gate { 30830Sstevel@tonic-gate int arena = HEAPTEXT_ARENA(addr); 30840Sstevel@tonic-gate char c[30]; 30850Sstevel@tonic-gate uintptr_t base; 30860Sstevel@tonic-gate 30870Sstevel@tonic-gate if (HEAPTEXT_OVERSIZED(addr)) { 30880Sstevel@tonic-gate /* 30890Sstevel@tonic-gate * If this is an oversized allocation, there is no text hole 30900Sstevel@tonic-gate * available for it; return NULL. 30910Sstevel@tonic-gate */ 30920Sstevel@tonic-gate return (NULL); 30930Sstevel@tonic-gate } 30940Sstevel@tonic-gate 30950Sstevel@tonic-gate mutex_enter(&texthole_lock); 30960Sstevel@tonic-gate 30970Sstevel@tonic-gate if (texthole_arena[arena] == NULL) { 30980Sstevel@tonic-gate ASSERT(texthole_source[arena] == NULL); 30990Sstevel@tonic-gate 31000Sstevel@tonic-gate if (arena == 0) { 31010Sstevel@tonic-gate texthole_source[0] = vmem_create("module_text_holesrc", 31020Sstevel@tonic-gate (void *)(KERNELBASE + MMU_PAGESIZE4M), 31030Sstevel@tonic-gate MMU_PAGESIZE4M, PAGESIZE, NULL, NULL, NULL, 31040Sstevel@tonic-gate 0, VM_SLEEP); 31050Sstevel@tonic-gate } else { 31060Sstevel@tonic-gate base = HEAPTEXT_BASE + 31070Sstevel@tonic-gate (arena - 1) * (HEAPTEXT_MAPPED + HEAPTEXT_UNMAPPED); 31080Sstevel@tonic-gate 31090Sstevel@tonic-gate (void) snprintf(c, sizeof (c), 31100Sstevel@tonic-gate "heaptext_holesrc_%d", arena); 31110Sstevel@tonic-gate 31120Sstevel@tonic-gate texthole_source[arena] = vmem_create(c, (void *)base, 31130Sstevel@tonic-gate HEAPTEXT_UNMAPPED, PAGESIZE, NULL, NULL, NULL, 31140Sstevel@tonic-gate 0, VM_SLEEP); 31150Sstevel@tonic-gate } 31160Sstevel@tonic-gate 31170Sstevel@tonic-gate (void) snprintf(c, sizeof (c), "heaptext_hole_%d", arena); 31180Sstevel@tonic-gate 31190Sstevel@tonic-gate texthole_arena[arena] = vmem_create(c, NULL, 0, 31200Sstevel@tonic-gate sizeof (uint32_t), segkmem_alloc_permanent, segkmem_free, 31210Sstevel@tonic-gate texthole_source[arena], 0, VM_SLEEP); 31220Sstevel@tonic-gate } 31230Sstevel@tonic-gate 31240Sstevel@tonic-gate mutex_exit(&texthole_lock); 31250Sstevel@tonic-gate 31260Sstevel@tonic-gate ASSERT(texthole_arena[arena] != NULL); 31270Sstevel@tonic-gate ASSERT(arena >= 0 && arena < HEAPTEXT_NARENAS); 31280Sstevel@tonic-gate return (vmem_alloc(texthole_arena[arena], size, 31290Sstevel@tonic-gate VM_BESTFIT | VM_NOSLEEP)); 31300Sstevel@tonic-gate } 31310Sstevel@tonic-gate 31320Sstevel@tonic-gate void 31330Sstevel@tonic-gate kobj_texthole_free(caddr_t addr, size_t size) 31340Sstevel@tonic-gate { 31350Sstevel@tonic-gate int arena = HEAPTEXT_ARENA(addr); 31360Sstevel@tonic-gate 31370Sstevel@tonic-gate ASSERT(arena >= 0 && arena < HEAPTEXT_NARENAS); 31380Sstevel@tonic-gate ASSERT(texthole_arena[arena] != NULL); 31390Sstevel@tonic-gate vmem_free(texthole_arena[arena], addr, size); 31400Sstevel@tonic-gate } 3141