1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/types.h> 30*0Sstevel@tonic-gate #include <sys/promif.h> 31*0Sstevel@tonic-gate #include <sys/bootconf.h> 32*0Sstevel@tonic-gate #include <sys/salib.h> 33*0Sstevel@tonic-gate #include <sys/boot.h> 34*0Sstevel@tonic-gate #include "boot_plat.h" 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate char *v2path, *kernname, *systype; 37*0Sstevel@tonic-gate char *my_own_name = "boot"; 38*0Sstevel@tonic-gate char v2args_buf[V2ARGS_BUF_SZ]; 39*0Sstevel@tonic-gate char *v2args = v2args_buf; 40*0Sstevel@tonic-gate char *mfg_name; 41*0Sstevel@tonic-gate char *impl_arch_name; 42*0Sstevel@tonic-gate char *bootp_response; 43*0Sstevel@tonic-gate char *module_path; 44*0Sstevel@tonic-gate int cache_state; 45*0Sstevel@tonic-gate uint64_t memlistextent; /* replacement for old member of bootops */ 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate /* These are the various memory lists */ 48*0Sstevel@tonic-gate struct memlist *pfreelistp, /* physmem available */ 49*0Sstevel@tonic-gate *vfreelistp, /* virtmem available */ 50*0Sstevel@tonic-gate *pinstalledp; /* physmem installed */ 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate char *boot_message; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate char *netdev_path; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate /* 57*0Sstevel@tonic-gate * Support new boot properties "boot-start" and "boot-end" for 58*0Sstevel@tonic-gate * Freeze/Thaw project. 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate caddr_t start_addr, end_addr; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate #define BOOT_BADPROP -1 63*0Sstevel@tonic-gate #define BOOT_SUCCESS 0 64*0Sstevel@tonic-gate #define BOOT_FAILURE -1 65*0Sstevel@tonic-gate #define NIL 0 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate #define strequal(p, q) (strcmp((p), (q)) == 0) 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* 71*0Sstevel@tonic-gate * This routine is used by stand/lib/$PROC/libnfs.a in case it comes up with a 72*0Sstevel@tonic-gate * default filename, and by bootflags() if a default filename is specified in 73*0Sstevel@tonic-gate * the boot arguments. 74*0Sstevel@tonic-gate */ 75*0Sstevel@tonic-gate void 76*0Sstevel@tonic-gate set_default_filename(char *filename) 77*0Sstevel@tonic-gate { 78*0Sstevel@tonic-gate kernname = filename; 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate static const struct bplist { 83*0Sstevel@tonic-gate char *name; 84*0Sstevel@tonic-gate void *val; 85*0Sstevel@tonic-gate uint_t size; 86*0Sstevel@tonic-gate } bprop_tab[] = { 87*0Sstevel@tonic-gate "boot-args", &v2args, 0, 88*0Sstevel@tonic-gate "boot-path", &v2path, 0, 89*0Sstevel@tonic-gate "fstype", &systype, 0, 90*0Sstevel@tonic-gate "whoami", &my_own_name, 0, 91*0Sstevel@tonic-gate "mfg-name", &mfg_name, 0, 92*0Sstevel@tonic-gate "impl-arch-name", &impl_arch_name, 0, 93*0Sstevel@tonic-gate "module-path", &module_path, 0, 94*0Sstevel@tonic-gate "virt-avail", &vfreelistp, 0, 95*0Sstevel@tonic-gate "phys-avail", &pfreelistp, 0, 96*0Sstevel@tonic-gate "phys-installed", &pinstalledp, 0, 97*0Sstevel@tonic-gate "default-name", &kernname, 0, 98*0Sstevel@tonic-gate "extent", &memlistextent, sizeof (memlistextent), 99*0Sstevel@tonic-gate "vac", &vac, sizeof (vac), 100*0Sstevel@tonic-gate "cache-on?", &cache_state, sizeof (int), 101*0Sstevel@tonic-gate "memory-update", 0, 0, 102*0Sstevel@tonic-gate "boot-start", &start_addr, sizeof (start_addr), 103*0Sstevel@tonic-gate "boot-end", &scratchmemp, sizeof (scratchmemp), 104*0Sstevel@tonic-gate "boot-message", &boot_message, 0, 105*0Sstevel@tonic-gate "bootp-response", &bootp_response, 0, 106*0Sstevel@tonic-gate "netdev-path", &netdev_path, 0, 107*0Sstevel@tonic-gate 0, 0, 0 108*0Sstevel@tonic-gate }; 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate /* 111*0Sstevel@tonic-gate * These routines implement the boot getprop interface. 112*0Sstevel@tonic-gate * They are designed to mimic the corresponding devr_{getprop,getproplen} 113*0Sstevel@tonic-gate * functions. 114*0Sstevel@tonic-gate * The assumptions is that the basic property is an unsigned int. Other 115*0Sstevel@tonic-gate * types (including lists) are special cases. 116*0Sstevel@tonic-gate */ 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate /*ARGSUSED*/ 119*0Sstevel@tonic-gate int 120*0Sstevel@tonic-gate bgetproplen(struct bootops *bop, char *name) 121*0Sstevel@tonic-gate { 122*0Sstevel@tonic-gate int size = 0; 123*0Sstevel@tonic-gate struct bplist *p; 124*0Sstevel@tonic-gate struct memlist *ml; 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate /* this prop has side effects only. No length. */ 127*0Sstevel@tonic-gate if (strequal(name, "memory-update")) 128*0Sstevel@tonic-gate return (BOOT_SUCCESS); 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate for (p = (struct bplist *)bprop_tab; p->name != (char *)0; p++) { 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate /* got a linked list? */ 133*0Sstevel@tonic-gate if ((strequal(name, "virt-avail") && strequal(name, p->name)) || 134*0Sstevel@tonic-gate (strequal(name, "phys-avail") && strequal(name, p->name)) || 135*0Sstevel@tonic-gate (strequal(name, "phys-installed") && 136*0Sstevel@tonic-gate strequal(name, p->name))) { 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate for (ml = *((struct memlist **)p->val); 139*0Sstevel@tonic-gate ml != NIL; 140*0Sstevel@tonic-gate ml = ml->next) 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate /* 143*0Sstevel@tonic-gate * subtract out the ptrs for our local 144*0Sstevel@tonic-gate * linked list. The application will 145*0Sstevel@tonic-gate * only see an array. 146*0Sstevel@tonic-gate */ 147*0Sstevel@tonic-gate size += (int)(sizeof (struct memlist) - 148*0Sstevel@tonic-gate 2*sizeof (struct memlist *)); 149*0Sstevel@tonic-gate return (size); 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate } else if (strequal(name, p->name)) { 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate /* if we already know the size, return it */ 154*0Sstevel@tonic-gate if (p->size != 0) 155*0Sstevel@tonic-gate return (p->size); 156*0Sstevel@tonic-gate else { 157*0Sstevel@tonic-gate if (*((char **)p->val) == NIL) 158*0Sstevel@tonic-gate return (0); /* NULL is allowed */ 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate /* don't forget the null termination */ 161*0Sstevel@tonic-gate return (strlen(*((char **)p->val)) + 1); 162*0Sstevel@tonic-gate } 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate printf("Property (%s) not supported by %s\n", name, my_own_name); 166*0Sstevel@tonic-gate return (BOOT_BADPROP); 167*0Sstevel@tonic-gate } 168*0Sstevel@tonic-gate 169*0Sstevel@tonic-gate /*ARGSUSED*/ 170*0Sstevel@tonic-gate int 171*0Sstevel@tonic-gate bgetprop(struct bootops *bop, char *name, void *buf) 172*0Sstevel@tonic-gate { 173*0Sstevel@tonic-gate struct bplist *p; 174*0Sstevel@tonic-gate struct memlist *ml; 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate if (strequal(name, "memory-update")) { 177*0Sstevel@tonic-gate /* 178*0Sstevel@tonic-gate * dprintf("bgetprop: updating memlists.\n"); 179*0Sstevel@tonic-gate */ 180*0Sstevel@tonic-gate update_memlist("virtual-memory", "available", &vfreelistp); 181*0Sstevel@tonic-gate update_memlist("memory", "available", &pfreelistp); 182*0Sstevel@tonic-gate return (BOOT_SUCCESS); 183*0Sstevel@tonic-gate } 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate if (strequal(name, "boot-start")) { 186*0Sstevel@tonic-gate start_addr = (caddr_t)_start; 187*0Sstevel@tonic-gate bcopy((char *)(&start_addr), buf, sizeof (start_addr)); 188*0Sstevel@tonic-gate return (BOOT_SUCCESS); 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate if (strequal(name, "boot-end")) { 192*0Sstevel@tonic-gate /* 193*0Sstevel@tonic-gate * The true end of boot should be scratchmemp, 194*0Sstevel@tonic-gate * boot gets its dynamic memory from the scratchmem 195*0Sstevel@tonic-gate * which is the first 4M of the physical memory, 196*0Sstevel@tonic-gate * and they are mapped 1:1. 197*0Sstevel@tonic-gate */ 198*0Sstevel@tonic-gate end_addr = scratchmemp; 199*0Sstevel@tonic-gate bcopy((char *)(&end_addr), buf, sizeof (scratchmemp)); 200*0Sstevel@tonic-gate return (BOOT_SUCCESS); 201*0Sstevel@tonic-gate } 202*0Sstevel@tonic-gate 203*0Sstevel@tonic-gate for (p = (struct bplist *)bprop_tab; p->name != (char *)0; p++) { 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate /* gotta linked list? */ 206*0Sstevel@tonic-gate if ((strequal(name, "virt-avail") && strequal(name, p->name)) || 207*0Sstevel@tonic-gate (strequal(name, "phys-avail") && strequal(name, p->name)) || 208*0Sstevel@tonic-gate (strequal(name, "phys-installed") && 209*0Sstevel@tonic-gate strequal(name, p->name))) { 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate u_longlong_t *t = buf; 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate for (ml = *((struct memlist **)p->val); 214*0Sstevel@tonic-gate ml != NIL; 215*0Sstevel@tonic-gate ml = ml->next) { 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate /* copy out into an array */ 218*0Sstevel@tonic-gate *t++ = ml->address; 219*0Sstevel@tonic-gate *t++ = ml->size; 220*0Sstevel@tonic-gate } 221*0Sstevel@tonic-gate return (BOOT_SUCCESS); 222*0Sstevel@tonic-gate } else if (strequal(name, p->name)) { 223*0Sstevel@tonic-gate if (p->size != 0) { 224*0Sstevel@tonic-gate bcopy(p->val, buf, p->size); 225*0Sstevel@tonic-gate } else { 226*0Sstevel@tonic-gate (void) strcpy((char *)buf, *((char **)p->val)); 227*0Sstevel@tonic-gate } 228*0Sstevel@tonic-gate return (BOOT_SUCCESS); 229*0Sstevel@tonic-gate } 230*0Sstevel@tonic-gate } 231*0Sstevel@tonic-gate return (BOOT_FAILURE); 232*0Sstevel@tonic-gate } 233*0Sstevel@tonic-gate 234*0Sstevel@tonic-gate /* 235*0Sstevel@tonic-gate * If the user wants the first property in the list, he passes in a 236*0Sstevel@tonic-gate * null string. The routine will always return a ptr to the name of the 237*0Sstevel@tonic-gate * next prop, except when there are no more props. In that case, it will 238*0Sstevel@tonic-gate * return a null string. 239*0Sstevel@tonic-gate */ 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate /*ARGSUSED*/ 242*0Sstevel@tonic-gate char * 243*0Sstevel@tonic-gate bnextprop(struct bootops *bop, char *prev) 244*0Sstevel@tonic-gate { 245*0Sstevel@tonic-gate struct bplist *p; 246*0Sstevel@tonic-gate 247*0Sstevel@tonic-gate /* user wants the firstprop */ 248*0Sstevel@tonic-gate if (*prev == 0) 249*0Sstevel@tonic-gate return (bprop_tab->name); 250*0Sstevel@tonic-gate 251*0Sstevel@tonic-gate for (p = (struct bplist *)bprop_tab; p->name != (char *)0; p++) { 252*0Sstevel@tonic-gate 253*0Sstevel@tonic-gate if (strequal(prev, p->name)) 254*0Sstevel@tonic-gate /* 255*0Sstevel@tonic-gate * if prev is the last valid prop, 256*0Sstevel@tonic-gate * we will return our terminator (0). 257*0Sstevel@tonic-gate */ 258*0Sstevel@tonic-gate return ((++p)->name); 259*0Sstevel@tonic-gate 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate } 262*0Sstevel@tonic-gate return ((char *)0); 263*0Sstevel@tonic-gate } 264