boot.c revision 1.2.2.2
1 1.2.2.2 garbled /* $NetBSD: boot.c,v 1.2.2.2 2007/12/17 19:54:33 garbled Exp $ */ 2 1.2.2.2 garbled 3 1.2.2.2 garbled /* 4 1.2.2.2 garbled * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 1.2.2.2 garbled * Copyright (C) 1995, 1996 TooLs GmbH. 6 1.2.2.2 garbled * All rights reserved. 7 1.2.2.2 garbled * 8 1.2.2.2 garbled * Redistribution and use in source and binary forms, with or without 9 1.2.2.2 garbled * modification, are permitted provided that the following conditions 10 1.2.2.2 garbled * are met: 11 1.2.2.2 garbled * 1. Redistributions of source code must retain the above copyright 12 1.2.2.2 garbled * notice, this list of conditions and the following disclaimer. 13 1.2.2.2 garbled * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.2.2 garbled * notice, this list of conditions and the following disclaimer in the 15 1.2.2.2 garbled * documentation and/or other materials provided with the distribution. 16 1.2.2.2 garbled * 3. All advertising materials mentioning features or use of this software 17 1.2.2.2 garbled * must display the following acknowledgement: 18 1.2.2.2 garbled * This product includes software developed by TooLs GmbH. 19 1.2.2.2 garbled * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 1.2.2.2 garbled * derived from this software without specific prior written permission. 21 1.2.2.2 garbled * 22 1.2.2.2 garbled * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 1.2.2.2 garbled * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2.2.2 garbled * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2.2.2 garbled * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 1.2.2.2 garbled * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 1.2.2.2 garbled * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 1.2.2.2 garbled * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 1.2.2.2 garbled * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 1.2.2.2 garbled * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 1.2.2.2 garbled * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.2.2.2 garbled */ 33 1.2.2.2 garbled 34 1.2.2.2 garbled #include <lib/libsa/stand.h> 35 1.2.2.2 garbled #include <lib/libsa/loadfile.h> 36 1.2.2.2 garbled #include <lib/libkern/libkern.h> 37 1.2.2.2 garbled #include <sys/reboot.h> 38 1.2.2.2 garbled #include <sys/boot_flag.h> 39 1.2.2.2 garbled #include <machine/bootinfo.h> 40 1.2.2.2 garbled #include <machine/cpu.h> 41 1.2.2.2 garbled #include <machine/iplcb.h> 42 1.2.2.2 garbled #include <powerpc/spr.h> 43 1.2.2.2 garbled 44 1.2.2.2 garbled #include "boot.h" 45 1.2.2.2 garbled 46 1.2.2.2 garbled char *names[] = { 47 1.2.2.2 garbled "in()", 48 1.2.2.2 garbled }; 49 1.2.2.2 garbled #define NUMNAMES (sizeof (names) / sizeof (names[0])) 50 1.2.2.2 garbled 51 1.2.2.2 garbled #define NAMELEN 128 52 1.2.2.2 garbled char namebuf[NAMELEN]; 53 1.2.2.2 garbled char nametmp[NAMELEN]; 54 1.2.2.2 garbled 55 1.2.2.2 garbled unsigned char cregs[10]; 56 1.2.2.2 garbled 57 1.2.2.2 garbled char bootinfo[BOOTINFO_MAXSIZE]; 58 1.2.2.2 garbled struct btinfo_iplcb btinfo_iplcb; 59 1.2.2.2 garbled struct btinfo_console btinfo_console; 60 1.2.2.2 garbled 61 1.2.2.2 garbled /*struct ipl_cb iplcb; 62 1.2.2.2 garbled struct ipl_directory ipldir;*/ 63 1.2.2.2 garbled 64 1.2.2.2 garbled extern u_long ns_per_tick; 65 1.2.2.2 garbled extern char bootprog_name[], bootprog_rev[], bootprog_maker[], bootprog_date[]; 66 1.2.2.2 garbled 67 1.2.2.2 garbled void boot(void *, void *); 68 1.2.2.2 garbled static void exec_kernel(char *); 69 1.2.2.2 garbled 70 1.2.2.2 garbled #define PSL_DR (1<<4) 71 1.2.2.2 garbled #define PSL_EE 0x00008000 72 1.2.2.2 garbled #define BAT_BL_128K 0x00000000 73 1.2.2.2 garbled #define BAT_BL_1M 0x0000001c 74 1.2.2.2 garbled #define BAT_BL_2M 0x0000003c 75 1.2.2.2 garbled #define BAT_W 0x00000040 76 1.2.2.2 garbled #define BAT_I 0x00000020 77 1.2.2.2 garbled #define BAT_M 0x00000010 78 1.2.2.2 garbled #define BAT_G 0x00000008 79 1.2.2.2 garbled #define BAT_X 0x00000004 80 1.2.2.2 garbled #define BAT_Vs 0x00000002 81 1.2.2.2 garbled #define BAT_Vu 0x00000001 82 1.2.2.2 garbled #define BAT_PP_RW 0x00000002 83 1.2.2.2 garbled #define BAT_RPN (~0x1ffff) 84 1.2.2.2 garbled #define BAT_EPI (~0x1ffffL) 85 1.2.2.2 garbled #define BAT_V (BAT_Vs|BAT_Vu) 86 1.2.2.2 garbled #define BAT_BL 0x00001ffc 87 1.2.2.2 garbled 88 1.2.2.2 garbled #define BATU(va, len, v) \ 89 1.2.2.2 garbled (((va) & BAT_EPI) | ((len) & BAT_BL) | ((v) & BAT_V)) 90 1.2.2.2 garbled #define BATL(pa, wimg, pp) \ 91 1.2.2.2 garbled (((pa) & BAT_RPN) | (wimg) | (pp)) 92 1.2.2.2 garbled 93 1.2.2.2 garbled 94 1.2.2.2 garbled static void 95 1.2.2.2 garbled setled(uint32_t val) 96 1.2.2.2 garbled { 97 1.2.2.2 garbled #ifdef POWER 98 1.2.2.2 garbled register_t savemsr, msr, savesr15; 99 1.2.2.2 garbled 100 1.2.2.2 garbled __asm volatile ("mfmsr %0" : "=r"(savemsr)); 101 1.2.2.2 garbled msr = savemsr & ~PSL_DR; 102 1.2.2.2 garbled __asm volatile ("mtmsr %0" : : "r"(msr)); 103 1.2.2.2 garbled 104 1.2.2.2 garbled __asm volatile ("mfsr %0,15;isync" : "=r"(savesr15)); 105 1.2.2.2 garbled __asm volatile ("mtsr 15,%0" : : "r"(0x82040080)); 106 1.2.2.2 garbled __asm volatile ("mtmsr %0" : : "r"(msr|PSL_DR)); 107 1.2.2.2 garbled __asm volatile ("isync"); 108 1.2.2.2 garbled *(uint32_t *)0xF0A00300 = val; 109 1.2.2.2 garbled __asm volatile ("mtmsr %0" : : "r"(savemsr)); 110 1.2.2.2 garbled __asm volatile ("mtsr 15,%0;isync" : : "r"(savesr15)); 111 1.2.2.2 garbled #else 112 1.2.2.2 garbled #ifdef NOTYET 113 1.2.2.2 garbled register_t savemsr, msr, batu, batl; 114 1.2.2.2 garbled 115 1.2.2.2 garbled /* turn on DR */ 116 1.2.2.2 garbled __asm volatile ("mfmsr %0" : "=r"(savemsr)); 117 1.2.2.2 garbled msr = savemsr|PSL_DR; 118 1.2.2.2 garbled __asm volatile ("mtmsr %0" : : "r"(msr)); 119 1.2.2.2 garbled __asm volatile ("isync"); 120 1.2.2.2 garbled 121 1.2.2.2 garbled /* set up a bat and map the whole NVRAM chunk */ 122 1.2.2.2 garbled batl = BATL(0xFF600000, BAT_I|BAT_G, BAT_PP_RW); 123 1.2.2.2 garbled batu = BATU(0xFF600000, BAT_BL_1M, BAT_Vs); 124 1.2.2.2 garbled __asm volatile ("mtdbatl 1,%0; mtdbatu 1,%1;" 125 1.2.2.2 garbled :: "r"(batl), "r"(batu)); 126 1.2.2.2 garbled __asm volatile ("isync"); 127 1.2.2.2 garbled 128 1.2.2.2 garbled *(volatile uint32_t *)0xFF600300 = val; 129 1.2.2.2 garbled __asm volatile ("eieio"); 130 1.2.2.2 garbled __asm volatile ("isync"); 131 1.2.2.2 garbled 132 1.2.2.2 garbled /* put back to normal */ 133 1.2.2.2 garbled __asm volatile ("mtmsr %0" : : "r"(savemsr)); 134 1.2.2.2 garbled __asm volatile ("isync"); 135 1.2.2.2 garbled #endif /* NOTYET */ 136 1.2.2.2 garbled 137 1.2.2.2 garbled #endif 138 1.2.2.2 garbled } 139 1.2.2.2 garbled 140 1.2.2.2 garbled 141 1.2.2.2 garbled void 142 1.2.2.2 garbled boot(void *iplcb_p, void *extiplcb_p) 143 1.2.2.2 garbled { 144 1.2.2.2 garbled extern char _end[], _edata[]; 145 1.2.2.2 garbled int n = 0; 146 1.2.2.2 garbled int addr, speed; 147 1.2.2.2 garbled /*unsigned int cpuvers;*/ 148 1.2.2.2 garbled char *name, *cnname, *p; 149 1.2.2.2 garbled struct ipl_cb *iplcb_ptr; 150 1.2.2.2 garbled struct ipl_directory *dirp; 151 1.2.2.2 garbled struct ipl_info *infop; 152 1.2.2.2 garbled 153 1.2.2.2 garbled //setled(0x30100000); /* we have control */ 154 1.2.2.2 garbled //for (;;); 155 1.2.2.2 garbled iplcb_ptr = (struct ipl_cb *)iplcb_p; 156 1.2.2.2 garbled dirp = &(iplcb_ptr->dir); 157 1.2.2.2 garbled 158 1.2.2.2 garbled /* Clear all of BSS */ 159 1.2.2.2 garbled memset(_edata, 0, _end - _edata); 160 1.2.2.2 garbled 161 1.2.2.2 garbled /* 162 1.2.2.2 garbled * console init 163 1.2.2.2 garbled */ 164 1.2.2.2 garbled //setled(0x30000000); /* attempting r14 setup */ 165 1.2.2.2 garbled setup_iocc(); 166 1.2.2.2 garbled //setled(0x31000000); /* attempting console init */ 167 1.2.2.2 garbled cnname = cninit(&addr, &speed); 168 1.2.2.2 garbled printf("\n"); 169 1.2.2.2 garbled //setled(0x31100000); /* we have the console */ 170 1.2.2.2 garbled 171 1.2.2.2 garbled printf("IPLCB ptr = 0x%p\n", iplcb_p); 172 1.2.2.2 garbled 173 1.2.2.2 garbled infop = (struct ipl_info *)((char *)iplcb_p + dirp->iplinfo_off); 174 1.2.2.2 garbled printf("Machine model = 0x%x\n", infop->model); 175 1.2.2.2 garbled printf("RAM = 0x%x\n", infop->ram_size); 176 1.2.2.2 garbled 177 1.2.2.2 garbled //dump_iplcb(iplcb_p); 178 1.2.2.2 garbled 179 1.2.2.2 garbled /* make bootinfo */ 180 1.2.2.2 garbled /* 181 1.2.2.2 garbled * ipl control block 182 1.2.2.2 garbled */ 183 1.2.2.2 garbled btinfo_iplcb.common.next = sizeof(btinfo_iplcb); 184 1.2.2.2 garbled btinfo_iplcb.common.type = BTINFO_IPLCB; 185 1.2.2.2 garbled if (iplcb_ptr) { 186 1.2.2.2 garbled btinfo_iplcb.addr = (void *)iplcb_p; 187 1.2.2.2 garbled } else { 188 1.2.2.2 garbled printf("Warning: no IPL Control Block.\n"); 189 1.2.2.2 garbled btinfo_iplcb.addr = 0; 190 1.2.2.2 garbled } 191 1.2.2.2 garbled 192 1.2.2.2 garbled /* 193 1.2.2.2 garbled * console 194 1.2.2.2 garbled */ 195 1.2.2.2 garbled btinfo_console.common.next = sizeof(btinfo_console); 196 1.2.2.2 garbled btinfo_console.common.type = BTINFO_CONSOLE; 197 1.2.2.2 garbled strcpy(btinfo_console.devname, cnname); 198 1.2.2.2 garbled btinfo_console.addr = addr; 199 1.2.2.2 garbled btinfo_console.speed = speed; 200 1.2.2.2 garbled 201 1.2.2.2 garbled p = bootinfo; 202 1.2.2.2 garbled memcpy(p, (void *)&btinfo_iplcb, sizeof(btinfo_iplcb)); 203 1.2.2.2 garbled p += sizeof(btinfo_iplcb); 204 1.2.2.2 garbled memcpy(p, (void *)&btinfo_console, sizeof(btinfo_console)); 205 1.2.2.2 garbled p += sizeof(btinfo_console); 206 1.2.2.2 garbled 207 1.2.2.2 garbled /* 208 1.2.2.2 garbled * load kernel if attached 209 1.2.2.2 garbled */ 210 1.2.2.2 garbled init_in(RELOC); 211 1.2.2.2 garbled 212 1.2.2.2 garbled setled(0x38000000); /* attempting boot */ 213 1.2.2.2 garbled printf("\n"); 214 1.2.2.2 garbled printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev); 215 1.2.2.2 garbled printf(">> (%s, %s)\n", bootprog_maker, bootprog_date); 216 1.2.2.2 garbled 217 1.2.2.2 garbled for (;;) { 218 1.2.2.2 garbled name = names[n++]; 219 1.2.2.2 garbled if (n >= NUMNAMES) 220 1.2.2.2 garbled n = 0; 221 1.2.2.2 garbled setled(0x38100000 + (0x100000 * n)); 222 1.2.2.2 garbled exec_kernel(name); 223 1.2.2.2 garbled setled(0x39900000); /* boot failed! */ 224 1.2.2.2 garbled } 225 1.2.2.2 garbled } 226 1.2.2.2 garbled 227 1.2.2.2 garbled /* 228 1.2.2.2 garbled * Exec kernel 229 1.2.2.2 garbled */ 230 1.2.2.2 garbled static void 231 1.2.2.2 garbled exec_kernel(char *name) 232 1.2.2.2 garbled { 233 1.2.2.2 garbled int howto = 0; 234 1.2.2.2 garbled char c, *ptr; 235 1.2.2.2 garbled u_long marks[MARK_MAX]; 236 1.2.2.2 garbled #ifdef DBMONITOR 237 1.2.2.2 garbled int go_monitor; 238 1.2.2.2 garbled extern int db_monitor __P((void)); 239 1.2.2.2 garbled 240 1.2.2.2 garbled ret: 241 1.2.2.2 garbled #endif /* DBMONITOR */ 242 1.2.2.2 garbled printf("\nBoot: "); 243 1.2.2.2 garbled memset(namebuf, 0, sizeof (namebuf)); 244 1.2.2.2 garbled if (tgets(namebuf) == -1) 245 1.2.2.2 garbled printf("\n"); 246 1.2.2.2 garbled 247 1.2.2.2 garbled ptr = namebuf; 248 1.2.2.2 garbled #ifdef DBMONITOR 249 1.2.2.2 garbled go_monitor = 0; 250 1.2.2.2 garbled if (*ptr == '!') { 251 1.2.2.2 garbled if (*(++ptr) == NULL) { 252 1.2.2.2 garbled db_monitor(); 253 1.2.2.2 garbled printf("\n"); 254 1.2.2.2 garbled goto ret; 255 1.2.2.2 garbled } else { 256 1.2.2.2 garbled go_monitor++; 257 1.2.2.2 garbled } 258 1.2.2.2 garbled } 259 1.2.2.2 garbled #endif /* DBMONITOR */ 260 1.2.2.2 garbled while ((c = *ptr)) { 261 1.2.2.2 garbled while (c == ' ') 262 1.2.2.2 garbled c = *++ptr; 263 1.2.2.2 garbled if (!c) 264 1.2.2.2 garbled goto next; 265 1.2.2.2 garbled if (c == '-') { 266 1.2.2.2 garbled while ((c = *++ptr) && c != ' ') 267 1.2.2.2 garbled BOOT_FLAG(c, howto); 268 1.2.2.2 garbled } else { 269 1.2.2.2 garbled name = ptr; 270 1.2.2.2 garbled while ((c = *++ptr) && c != ' '); 271 1.2.2.2 garbled if (c) 272 1.2.2.2 garbled *ptr++ = 0; 273 1.2.2.2 garbled } 274 1.2.2.2 garbled } 275 1.2.2.2 garbled 276 1.2.2.2 garbled next: 277 1.2.2.2 garbled printf("Loading %s", name); 278 1.2.2.2 garbled if (howto) 279 1.2.2.2 garbled printf(" (howto 0x%x)", howto); 280 1.2.2.2 garbled printf("\n"); 281 1.2.2.2 garbled 282 1.2.2.2 garbled marks[MARK_START] = 0; 283 1.2.2.2 garbled if (loadfile(name, marks, LOAD_ALL) == 0) { 284 1.2.2.2 garbled #ifdef DBMONITOR 285 1.2.2.2 garbled if (go_monitor) { 286 1.2.2.2 garbled db_monitor(); 287 1.2.2.2 garbled printf("\n"); 288 1.2.2.2 garbled } 289 1.2.2.2 garbled #endif /* DBMONITOR */ 290 1.2.2.2 garbled 291 1.2.2.2 garbled printf("start=0x%lx\n\n", marks[MARK_ENTRY]); 292 1.2.2.2 garbled delay(1000); 293 1.2.2.2 garbled __syncicache((void *)marks[MARK_ENTRY], 294 1.2.2.2 garbled (u_int)marks[MARK_SYM] - (u_int)marks[MARK_ENTRY]); 295 1.2.2.2 garbled printf("About to run\n"); 296 1.2.2.2 garbled run((void *)marks[MARK_SYM], 297 1.2.2.2 garbled (void *)marks[MARK_END], 298 1.2.2.2 garbled (void *)howto, 299 1.2.2.2 garbled (void *)bootinfo, 300 1.2.2.2 garbled (void *)marks[MARK_ENTRY]); 301 1.2.2.2 garbled } 302 1.2.2.2 garbled } 303
Indexes created Mon Oct 13 16:09:52 GMT 2025