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authorIngo Molnar <mingo@elte.hu>2008-07-08 03:43:01 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 03:43:01 -0400
commit3c1ca43fafea41e38cb2d0c1684119af4c1de547 (patch)
tree122e41a7b9fca26ea25ea9864180f5016274a8c8 /arch/x86/boot
parent6924d1ab8b7bbe5ab416713f5701b3316b2df85b (diff)
parent6bcb13b35a2ea39be6c7cc0292b8ad1191b1a748 (diff)
Merge branch 'x86/setup' into x86/devel
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/a20.c5
-rw-r--r--arch/x86/boot/compressed/misc.c55
-rw-r--r--arch/x86/boot/compressed/relocs.c198
-rw-r--r--arch/x86/boot/cpu.c2
-rw-r--r--arch/x86/boot/main.c4
-rw-r--r--arch/x86/boot/pmjump.S4
6 files changed, 154 insertions, 114 deletions
diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index e01aafd03bde..4063d630deff 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -1,7 +1,7 @@
1/* -*- linux-c -*- ------------------------------------------------------- * 1/* -*- linux-c -*- ------------------------------------------------------- *
2 * 2 *
3 * Copyright (C) 1991, 1992 Linus Torvalds 3 * Copyright (C) 1991, 1992 Linus Torvalds
4 * Copyright 2007 rPath, Inc. - All Rights Reserved 4 * Copyright 2007-2008 rPath, Inc. - All Rights Reserved
5 * 5 *
6 * This file is part of the Linux kernel, and is made available under 6 * This file is part of the Linux kernel, and is made available under
7 * the terms of the GNU General Public License version 2. 7 * the terms of the GNU General Public License version 2.
@@ -95,6 +95,9 @@ static void enable_a20_kbc(void)
95 95
96 outb(0xdf, 0x60); /* A20 on */ 96 outb(0xdf, 0x60); /* A20 on */
97 empty_8042(); 97 empty_8042();
98
99 outb(0xff, 0x64); /* Null command, but UHCI wants it */
100 empty_8042();
98} 101}
99 102
100static void enable_a20_fast(void) 103static void enable_a20_fast(void)
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 90456cee47c3..11629e903aa5 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -30,6 +30,7 @@
30#include <asm/io.h> 30#include <asm/io.h>
31#include <asm/page.h> 31#include <asm/page.h>
32#include <asm/boot.h> 32#include <asm/boot.h>
33#include <asm/bootparam.h>
33 34
34/* WARNING!! 35/* WARNING!!
35 * This code is compiled with -fPIC and it is relocated dynamically 36 * This code is compiled with -fPIC and it is relocated dynamically
@@ -187,13 +188,8 @@ static void gzip_release(void **);
187/* 188/*
188 * This is set up by the setup-routine at boot-time 189 * This is set up by the setup-routine at boot-time
189 */ 190 */
190static unsigned char *real_mode; /* Pointer to real-mode data */ 191static struct boot_params *real_mode; /* Pointer to real-mode data */
191 192static int quiet;
192#define RM_EXT_MEM_K (*(unsigned short *)(real_mode + 0x2))
193#ifndef STANDARD_MEMORY_BIOS_CALL
194#define RM_ALT_MEM_K (*(unsigned long *)(real_mode + 0x1e0))
195#endif
196#define RM_SCREEN_INFO (*(struct screen_info *)(real_mode+0))
197 193
198extern unsigned char input_data[]; 194extern unsigned char input_data[];
199extern int input_len; 195extern int input_len;
@@ -206,7 +202,8 @@ static void free(void *where);
206static void *memset(void *s, int c, unsigned n); 202static void *memset(void *s, int c, unsigned n);
207static void *memcpy(void *dest, const void *src, unsigned n); 203static void *memcpy(void *dest, const void *src, unsigned n);
208 204
209static void putstr(const char *); 205static void __putstr(int, const char *);
206#define putstr(__x) __putstr(0, __x)
210 207
211#ifdef CONFIG_X86_64 208#ifdef CONFIG_X86_64
212#define memptr long 209#define memptr long
@@ -270,18 +267,24 @@ static void scroll(void)
270 vidmem[i] = ' '; 267 vidmem[i] = ' ';
271} 268}
272 269
273static void putstr(const char *s) 270static void __putstr(int error, const char *s)
274{ 271{
275 int x, y, pos; 272 int x, y, pos;
276 char c; 273 char c;
277 274
275#ifndef CONFIG_X86_VERBOSE_BOOTUP
276 if (!error)
277 return;
278#endif
279
278#ifdef CONFIG_X86_32 280#ifdef CONFIG_X86_32
279 if (RM_SCREEN_INFO.orig_video_mode == 0 && lines == 0 && cols == 0) 281 if (real_mode->screen_info.orig_video_mode == 0 &&
282 lines == 0 && cols == 0)
280 return; 283 return;
281#endif 284#endif
282 285
283 x = RM_SCREEN_INFO.orig_x; 286 x = real_mode->screen_info.orig_x;
284 y = RM_SCREEN_INFO.orig_y; 287 y = real_mode->screen_info.orig_y;
285 288
286 while ((c = *s++) != '\0') { 289 while ((c = *s++) != '\0') {
287 if (c == '\n') { 290 if (c == '\n') {
@@ -302,8 +305,8 @@ static void putstr(const char *s)
302 } 305 }
303 } 306 }
304 307
305 RM_SCREEN_INFO.orig_x = x; 308 real_mode->screen_info.orig_x = x;
306 RM_SCREEN_INFO.orig_y = y; 309 real_mode->screen_info.orig_y = y;
307 310
308 pos = (x + cols * y) * 2; /* Update cursor position */ 311 pos = (x + cols * y) * 2; /* Update cursor position */
309 outb(14, vidport); 312 outb(14, vidport);
@@ -366,9 +369,9 @@ static void flush_window(void)
366 369
367static void error(char *x) 370static void error(char *x)
368{ 371{
369 putstr("\n\n"); 372 __putstr(1, "\n\n");
370 putstr(x); 373 __putstr(1, x);
371 putstr("\n\n -- System halted"); 374 __putstr(1, "\n\n -- System halted");
372 375
373 while (1) 376 while (1)
374 asm("hlt"); 377 asm("hlt");
@@ -395,7 +398,8 @@ static void parse_elf(void *output)
395 return; 398 return;
396 } 399 }
397 400
398 putstr("Parsing ELF... "); 401 if (!quiet)
402 putstr("Parsing ELF... ");
399 403
400 phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum); 404 phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum);
401 if (!phdrs) 405 if (!phdrs)
@@ -430,7 +434,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
430{ 434{
431 real_mode = rmode; 435 real_mode = rmode;
432 436
433 if (RM_SCREEN_INFO.orig_video_mode == 7) { 437 if (real_mode->hdr.loadflags & QUIET_FLAG)
438 quiet = 1;
439
440 if (real_mode->screen_info.orig_video_mode == 7) {
434 vidmem = (char *) 0xb0000; 441 vidmem = (char *) 0xb0000;
435 vidport = 0x3b4; 442 vidport = 0x3b4;
436 } else { 443 } else {
@@ -438,8 +445,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
438 vidport = 0x3d4; 445 vidport = 0x3d4;
439 } 446 }
440 447
441 lines = RM_SCREEN_INFO.orig_video_lines; 448 lines = real_mode->screen_info.orig_video_lines;
442 cols = RM_SCREEN_INFO.orig_video_cols; 449 cols = real_mode->screen_info.orig_video_cols;
443 450
444 window = output; /* Output buffer (Normally at 1M) */ 451 window = output; /* Output buffer (Normally at 1M) */
445 free_mem_ptr = heap; /* Heap */ 452 free_mem_ptr = heap; /* Heap */
@@ -465,9 +472,11 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
465#endif 472#endif
466 473
467 makecrc(); 474 makecrc();
468 putstr("\nDecompressing Linux... "); 475 if (!quiet)
476 putstr("\nDecompressing Linux... ");
469 gunzip(); 477 gunzip();
470 parse_elf(output); 478 parse_elf(output);
471 putstr("done.\nBooting the kernel.\n"); 479 if (!quiet)
480 putstr("done.\nBooting the kernel.\n");
472 return; 481 return;
473} 482}
diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index edaadea90aaf..a1310c52fc0c 100644
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -10,16 +10,20 @@
10#define USE_BSD 10#define USE_BSD
11#include <endian.h> 11#include <endian.h>
12 12
13#define MAX_SHDRS 100
14#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 13#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
15static Elf32_Ehdr ehdr; 14static Elf32_Ehdr ehdr;
16static Elf32_Shdr shdr[MAX_SHDRS];
17static Elf32_Sym *symtab[MAX_SHDRS];
18static Elf32_Rel *reltab[MAX_SHDRS];
19static char *strtab[MAX_SHDRS];
20static unsigned long reloc_count, reloc_idx; 15static unsigned long reloc_count, reloc_idx;
21static unsigned long *relocs; 16static unsigned long *relocs;
22 17
18struct section {
19 Elf32_Shdr shdr;
20 struct section *link;
21 Elf32_Sym *symtab;
22 Elf32_Rel *reltab;
23 char *strtab;
24};
25static struct section *secs;
26
23/* 27/*
24 * Following symbols have been audited. There values are constant and do 28 * Following symbols have been audited. There values are constant and do
25 * not change if bzImage is loaded at a different physical address than 29 * not change if bzImage is loaded at a different physical address than
@@ -35,7 +39,7 @@ static int is_safe_abs_reloc(const char* sym_name)
35{ 39{
36 int i; 40 int i;
37 41
38 for(i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) { 42 for (i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) {
39 if (!strcmp(sym_name, safe_abs_relocs[i])) 43 if (!strcmp(sym_name, safe_abs_relocs[i]))
40 /* Match found */ 44 /* Match found */
41 return 1; 45 return 1;
@@ -137,10 +141,10 @@ static const char *sec_name(unsigned shndx)
137{ 141{
138 const char *sec_strtab; 142 const char *sec_strtab;
139 const char *name; 143 const char *name;
140 sec_strtab = strtab[ehdr.e_shstrndx]; 144 sec_strtab = secs[ehdr.e_shstrndx].strtab;
141 name = "<noname>"; 145 name = "<noname>";
142 if (shndx < ehdr.e_shnum) { 146 if (shndx < ehdr.e_shnum) {
143 name = sec_strtab + shdr[shndx].sh_name; 147 name = sec_strtab + secs[shndx].shdr.sh_name;
144 } 148 }
145 else if (shndx == SHN_ABS) { 149 else if (shndx == SHN_ABS) {
146 name = "ABSOLUTE"; 150 name = "ABSOLUTE";
@@ -159,7 +163,7 @@ static const char *sym_name(const char *sym_strtab, Elf32_Sym *sym)
159 name = sym_strtab + sym->st_name; 163 name = sym_strtab + sym->st_name;
160 } 164 }
161 else { 165 else {
162 name = sec_name(shdr[sym->st_shndx].sh_name); 166 name = sec_name(secs[sym->st_shndx].shdr.sh_name);
163 } 167 }
164 return name; 168 return name;
165} 169}
@@ -244,29 +248,34 @@ static void read_ehdr(FILE *fp)
244static void read_shdrs(FILE *fp) 248static void read_shdrs(FILE *fp)
245{ 249{
246 int i; 250 int i;
247 if (ehdr.e_shnum > MAX_SHDRS) { 251 Elf32_Shdr shdr;
248 die("%d section headers supported: %d\n", 252
249 ehdr.e_shnum, MAX_SHDRS); 253 secs = calloc(ehdr.e_shnum, sizeof(struct section));
254 if (!secs) {
255 die("Unable to allocate %d section headers\n",
256 ehdr.e_shnum);
250 } 257 }
251 if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0) { 258 if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0) {
252 die("Seek to %d failed: %s\n", 259 die("Seek to %d failed: %s\n",
253 ehdr.e_shoff, strerror(errno)); 260 ehdr.e_shoff, strerror(errno));
254 } 261 }
255 if (fread(&shdr, sizeof(shdr[0]), ehdr.e_shnum, fp) != ehdr.e_shnum) { 262 for (i = 0; i < ehdr.e_shnum; i++) {
256 die("Cannot read ELF section headers: %s\n", 263 struct section *sec = &secs[i];
257 strerror(errno)); 264 if (fread(&shdr, sizeof shdr, 1, fp) != 1)
258 } 265 die("Cannot read ELF section headers %d/%d: %s\n",
259 for(i = 0; i < ehdr.e_shnum; i++) { 266 i, ehdr.e_shnum, strerror(errno));
260 shdr[i].sh_name = elf32_to_cpu(shdr[i].sh_name); 267 sec->shdr.sh_name = elf32_to_cpu(shdr.sh_name);
261 shdr[i].sh_type = elf32_to_cpu(shdr[i].sh_type); 268 sec->shdr.sh_type = elf32_to_cpu(shdr.sh_type);
262 shdr[i].sh_flags = elf32_to_cpu(shdr[i].sh_flags); 269 sec->shdr.sh_flags = elf32_to_cpu(shdr.sh_flags);
263 shdr[i].sh_addr = elf32_to_cpu(shdr[i].sh_addr); 270 sec->shdr.sh_addr = elf32_to_cpu(shdr.sh_addr);
264 shdr[i].sh_offset = elf32_to_cpu(shdr[i].sh_offset); 271 sec->shdr.sh_offset = elf32_to_cpu(shdr.sh_offset);
265 shdr[i].sh_size = elf32_to_cpu(shdr[i].sh_size); 272 sec->shdr.sh_size = elf32_to_cpu(shdr.sh_size);
266 shdr[i].sh_link = elf32_to_cpu(shdr[i].sh_link); 273 sec->shdr.sh_link = elf32_to_cpu(shdr.sh_link);
267 shdr[i].sh_info = elf32_to_cpu(shdr[i].sh_info); 274 sec->shdr.sh_info = elf32_to_cpu(shdr.sh_info);
268 shdr[i].sh_addralign = elf32_to_cpu(shdr[i].sh_addralign); 275 sec->shdr.sh_addralign = elf32_to_cpu(shdr.sh_addralign);
269 shdr[i].sh_entsize = elf32_to_cpu(shdr[i].sh_entsize); 276 sec->shdr.sh_entsize = elf32_to_cpu(shdr.sh_entsize);
277 if (sec->shdr.sh_link < ehdr.e_shnum)
278 sec->link = &secs[sec->shdr.sh_link];
270 } 279 }
271 280
272} 281}
@@ -274,20 +283,22 @@ static void read_shdrs(FILE *fp)
274static void read_strtabs(FILE *fp) 283static void read_strtabs(FILE *fp)
275{ 284{
276 int i; 285 int i;
277 for(i = 0; i < ehdr.e_shnum; i++) { 286 for (i = 0; i < ehdr.e_shnum; i++) {
278 if (shdr[i].sh_type != SHT_STRTAB) { 287 struct section *sec = &secs[i];
288 if (sec->shdr.sh_type != SHT_STRTAB) {
279 continue; 289 continue;
280 } 290 }
281 strtab[i] = malloc(shdr[i].sh_size); 291 sec->strtab = malloc(sec->shdr.sh_size);
282 if (!strtab[i]) { 292 if (!sec->strtab) {
283 die("malloc of %d bytes for strtab failed\n", 293 die("malloc of %d bytes for strtab failed\n",
284 shdr[i].sh_size); 294 sec->shdr.sh_size);
285 } 295 }
286 if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) { 296 if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) {
287 die("Seek to %d failed: %s\n", 297 die("Seek to %d failed: %s\n",
288 shdr[i].sh_offset, strerror(errno)); 298 sec->shdr.sh_offset, strerror(errno));
289 } 299 }
290 if (fread(strtab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) { 300 if (fread(sec->strtab, 1, sec->shdr.sh_size, fp)
301 != sec->shdr.sh_size) {
291 die("Cannot read symbol table: %s\n", 302 die("Cannot read symbol table: %s\n",
292 strerror(errno)); 303 strerror(errno));
293 } 304 }
@@ -297,28 +308,31 @@ static void read_strtabs(FILE *fp)
297static void read_symtabs(FILE *fp) 308static void read_symtabs(FILE *fp)
298{ 309{
299 int i,j; 310 int i,j;
300 for(i = 0; i < ehdr.e_shnum; i++) { 311 for (i = 0; i < ehdr.e_shnum; i++) {
301 if (shdr[i].sh_type != SHT_SYMTAB) { 312 struct section *sec = &secs[i];
313 if (sec->shdr.sh_type != SHT_SYMTAB) {
302 continue; 314 continue;
303 } 315 }
304 symtab[i] = malloc(shdr[i].sh_size); 316 sec->symtab = malloc(sec->shdr.sh_size);
305 if (!symtab[i]) { 317 if (!sec->symtab) {
306 die("malloc of %d bytes for symtab failed\n", 318 die("malloc of %d bytes for symtab failed\n",
307 shdr[i].sh_size); 319 sec->shdr.sh_size);
308 } 320 }
309 if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) { 321 if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) {
310 die("Seek to %d failed: %s\n", 322 die("Seek to %d failed: %s\n",
311 shdr[i].sh_offset, strerror(errno)); 323 sec->shdr.sh_offset, strerror(errno));
312 } 324 }
313 if (fread(symtab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) { 325 if (fread(sec->symtab, 1, sec->shdr.sh_size, fp)
326 != sec->shdr.sh_size) {
314 die("Cannot read symbol table: %s\n", 327 die("Cannot read symbol table: %s\n",
315 strerror(errno)); 328 strerror(errno));
316 } 329 }
317 for(j = 0; j < shdr[i].sh_size/sizeof(symtab[i][0]); j++) { 330 for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Sym); j++) {
318 symtab[i][j].st_name = elf32_to_cpu(symtab[i][j].st_name); 331 Elf32_Sym *sym = &sec->symtab[j];
319 symtab[i][j].st_value = elf32_to_cpu(symtab[i][j].st_value); 332 sym->st_name = elf32_to_cpu(sym->st_name);
320 symtab[i][j].st_size = elf32_to_cpu(symtab[i][j].st_size); 333 sym->st_value = elf32_to_cpu(sym->st_value);
321 symtab[i][j].st_shndx = elf16_to_cpu(symtab[i][j].st_shndx); 334 sym->st_size = elf32_to_cpu(sym->st_size);
335 sym->st_shndx = elf16_to_cpu(sym->st_shndx);
322 } 336 }
323 } 337 }
324} 338}
@@ -327,26 +341,29 @@ static void read_symtabs(FILE *fp)
327static void read_relocs(FILE *fp) 341static void read_relocs(FILE *fp)
328{ 342{
329 int i,j; 343 int i,j;
330 for(i = 0; i < ehdr.e_shnum; i++) { 344 for (i = 0; i < ehdr.e_shnum; i++) {
331 if (shdr[i].sh_type != SHT_REL) { 345 struct section *sec = &secs[i];
346 if (sec->shdr.sh_type != SHT_REL) {
332 continue; 347 continue;
333 } 348 }
334 reltab[i] = malloc(shdr[i].sh_size); 349 sec->reltab = malloc(sec->shdr.sh_size);
335 if (!reltab[i]) { 350 if (!sec->reltab) {
336 die("malloc of %d bytes for relocs failed\n", 351 die("malloc of %d bytes for relocs failed\n",
337 shdr[i].sh_size); 352 sec->shdr.sh_size);
338 } 353 }
339 if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) { 354 if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) {
340 die("Seek to %d failed: %s\n", 355 die("Seek to %d failed: %s\n",
341 shdr[i].sh_offset, strerror(errno)); 356 sec->shdr.sh_offset, strerror(errno));
342 } 357 }
343 if (fread(reltab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) { 358 if (fread(sec->reltab, 1, sec->shdr.sh_size, fp)
359 != sec->shdr.sh_size) {
344 die("Cannot read symbol table: %s\n", 360 die("Cannot read symbol table: %s\n",
345 strerror(errno)); 361 strerror(errno));
346 } 362 }
347 for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) { 363 for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
348 reltab[i][j].r_offset = elf32_to_cpu(reltab[i][j].r_offset); 364 Elf32_Rel *rel = &sec->reltab[j];
349 reltab[i][j].r_info = elf32_to_cpu(reltab[i][j].r_info); 365 rel->r_offset = elf32_to_cpu(rel->r_offset);
366 rel->r_info = elf32_to_cpu(rel->r_info);
350 } 367 }
351 } 368 }
352} 369}
@@ -357,19 +374,21 @@ static void print_absolute_symbols(void)
357 int i; 374 int i;
358 printf("Absolute symbols\n"); 375 printf("Absolute symbols\n");
359 printf(" Num: Value Size Type Bind Visibility Name\n"); 376 printf(" Num: Value Size Type Bind Visibility Name\n");
360 for(i = 0; i < ehdr.e_shnum; i++) { 377 for (i = 0; i < ehdr.e_shnum; i++) {
378 struct section *sec = &secs[i];
361 char *sym_strtab; 379 char *sym_strtab;
362 Elf32_Sym *sh_symtab; 380 Elf32_Sym *sh_symtab;
363 int j; 381 int j;
364 if (shdr[i].sh_type != SHT_SYMTAB) { 382
383 if (sec->shdr.sh_type != SHT_SYMTAB) {
365 continue; 384 continue;
366 } 385 }
367 sh_symtab = symtab[i]; 386 sh_symtab = sec->symtab;
368 sym_strtab = strtab[shdr[i].sh_link]; 387 sym_strtab = sec->link->strtab;
369 for(j = 0; j < shdr[i].sh_size/sizeof(symtab[0][0]); j++) { 388 for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Sym); j++) {
370 Elf32_Sym *sym; 389 Elf32_Sym *sym;
371 const char *name; 390 const char *name;
372 sym = &symtab[i][j]; 391 sym = &sec->symtab[j];
373 name = sym_name(sym_strtab, sym); 392 name = sym_name(sym_strtab, sym);
374 if (sym->st_shndx != SHN_ABS) { 393 if (sym->st_shndx != SHN_ABS) {
375 continue; 394 continue;
@@ -389,26 +408,27 @@ static void print_absolute_relocs(void)
389{ 408{
390 int i, printed = 0; 409 int i, printed = 0;
391 410
392 for(i = 0; i < ehdr.e_shnum; i++) { 411 for (i = 0; i < ehdr.e_shnum; i++) {
412 struct section *sec = &secs[i];
413 struct section *sec_applies, *sec_symtab;
393 char *sym_strtab; 414 char *sym_strtab;
394 Elf32_Sym *sh_symtab; 415 Elf32_Sym *sh_symtab;
395 unsigned sec_applies, sec_symtab;
396 int j; 416 int j;
397 if (shdr[i].sh_type != SHT_REL) { 417 if (sec->shdr.sh_type != SHT_REL) {
398 continue; 418 continue;
399 } 419 }
400 sec_symtab = shdr[i].sh_link; 420 sec_symtab = sec->link;
401 sec_applies = shdr[i].sh_info; 421 sec_applies = &secs[sec->shdr.sh_info];
402 if (!(shdr[sec_applies].sh_flags & SHF_ALLOC)) { 422 if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) {
403 continue; 423 continue;
404 } 424 }
405 sh_symtab = symtab[sec_symtab]; 425 sh_symtab = sec_symtab->symtab;
406 sym_strtab = strtab[shdr[sec_symtab].sh_link]; 426 sym_strtab = sec_symtab->link->strtab;
407 for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) { 427 for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
408 Elf32_Rel *rel; 428 Elf32_Rel *rel;
409 Elf32_Sym *sym; 429 Elf32_Sym *sym;
410 const char *name; 430 const char *name;
411 rel = &reltab[i][j]; 431 rel = &sec->reltab[j];
412 sym = &sh_symtab[ELF32_R_SYM(rel->r_info)]; 432 sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
413 name = sym_name(sym_strtab, sym); 433 name = sym_name(sym_strtab, sym);
414 if (sym->st_shndx != SHN_ABS) { 434 if (sym->st_shndx != SHN_ABS) {
@@ -456,26 +476,28 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym))
456{ 476{
457 int i; 477 int i;
458 /* Walk through the relocations */ 478 /* Walk through the relocations */
459 for(i = 0; i < ehdr.e_shnum; i++) { 479 for (i = 0; i < ehdr.e_shnum; i++) {
460 char *sym_strtab; 480 char *sym_strtab;
461 Elf32_Sym *sh_symtab; 481 Elf32_Sym *sh_symtab;
462 unsigned sec_applies, sec_symtab; 482 struct section *sec_applies, *sec_symtab;
463 int j; 483 int j;
464 if (shdr[i].sh_type != SHT_REL) { 484 struct section *sec = &secs[i];
485
486 if (sec->shdr.sh_type != SHT_REL) {
465 continue; 487 continue;
466 } 488 }
467 sec_symtab = shdr[i].sh_link; 489 sec_symtab = sec->link;
468 sec_applies = shdr[i].sh_info; 490 sec_applies = &secs[sec->shdr.sh_info];
469 if (!(shdr[sec_applies].sh_flags & SHF_ALLOC)) { 491 if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) {
470 continue; 492 continue;
471 } 493 }
472 sh_symtab = symtab[sec_symtab]; 494 sh_symtab = sec_symtab->symtab;
473 sym_strtab = strtab[shdr[sec_symtab].sh_link]; 495 sym_strtab = sec->link->strtab;
474 for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) { 496 for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) {
475 Elf32_Rel *rel; 497 Elf32_Rel *rel;
476 Elf32_Sym *sym; 498 Elf32_Sym *sym;
477 unsigned r_type; 499 unsigned r_type;
478 rel = &reltab[i][j]; 500 rel = &sec->reltab[j];
479 sym = &sh_symtab[ELF32_R_SYM(rel->r_info)]; 501 sym = &sh_symtab[ELF32_R_SYM(rel->r_info)];
480 r_type = ELF32_R_TYPE(rel->r_info); 502 r_type = ELF32_R_TYPE(rel->r_info);
481 /* Don't visit relocations to absolute symbols */ 503 /* Don't visit relocations to absolute symbols */
@@ -539,7 +561,7 @@ static void emit_relocs(int as_text)
539 */ 561 */
540 printf(".section \".data.reloc\",\"a\"\n"); 562 printf(".section \".data.reloc\",\"a\"\n");
541 printf(".balign 4\n"); 563 printf(".balign 4\n");
542 for(i = 0; i < reloc_count; i++) { 564 for (i = 0; i < reloc_count; i++) {
543 printf("\t .long 0x%08lx\n", relocs[i]); 565 printf("\t .long 0x%08lx\n", relocs[i]);
544 } 566 }
545 printf("\n"); 567 printf("\n");
@@ -550,7 +572,7 @@ static void emit_relocs(int as_text)
550 /* Print a stop */ 572 /* Print a stop */
551 printf("%c%c%c%c", buf[0], buf[1], buf[2], buf[3]); 573 printf("%c%c%c%c", buf[0], buf[1], buf[2], buf[3]);
552 /* Now print each relocation */ 574 /* Now print each relocation */
553 for(i = 0; i < reloc_count; i++) { 575 for (i = 0; i < reloc_count; i++) {
554 buf[0] = (relocs[i] >> 0) & 0xff; 576 buf[0] = (relocs[i] >> 0) & 0xff;
555 buf[1] = (relocs[i] >> 8) & 0xff; 577 buf[1] = (relocs[i] >> 8) & 0xff;
556 buf[2] = (relocs[i] >> 16) & 0xff; 578 buf[2] = (relocs[i] >> 16) & 0xff;
@@ -577,7 +599,7 @@ int main(int argc, char **argv)
577 show_absolute_relocs = 0; 599 show_absolute_relocs = 0;
578 as_text = 0; 600 as_text = 0;
579 fname = NULL; 601 fname = NULL;
580 for(i = 1; i < argc; i++) { 602 for (i = 1; i < argc; i++) {
581 char *arg = argv[i]; 603 char *arg = argv[i];
582 if (*arg == '-') { 604 if (*arg == '-') {
583 if (strcmp(argv[1], "--abs-syms") == 0) { 605 if (strcmp(argv[1], "--abs-syms") == 0) {
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 00e19edd852c..92d6fd73dc7d 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -28,6 +28,8 @@ static char *cpu_name(int level)
28 if (level == 64) { 28 if (level == 64) {
29 return "x86-64"; 29 return "x86-64";
30 } else { 30 } else {
31 if (level == 15)
32 level = 6;
31 sprintf(buf, "i%d86", level); 33 sprintf(buf, "i%d86", level);
32 return buf; 34 return buf;
33 } 35 }
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 77569a4a3be1..2296164b54d2 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -165,6 +165,10 @@ void main(void)
165 /* Set the video mode */ 165 /* Set the video mode */
166 set_video(); 166 set_video();
167 167
168 /* Parse command line for 'quiet' and pass it to decompressor. */
169 if (cmdline_find_option_bool("quiet"))
170 boot_params.hdr.loadflags |= QUIET_FLAG;
171
168 /* Do the last things and invoke protected mode */ 172 /* Do the last things and invoke protected mode */
169 go_to_protected_mode(); 173 go_to_protected_mode();
170} 174}
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index ab049d40a884..141b6e20ed31 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -33,6 +33,8 @@ protected_mode_jump:
33 movw %cs, %bx 33 movw %cs, %bx
34 shll $4, %ebx 34 shll $4, %ebx
35 addl %ebx, 2f 35 addl %ebx, 2f
36 jmp 1f # Short jump to serialize on 386/486
371:
36 38
37 movw $__BOOT_DS, %cx 39 movw $__BOOT_DS, %cx
38 movw $__BOOT_TSS, %di 40 movw $__BOOT_TSS, %di
@@ -40,8 +42,6 @@ protected_mode_jump:
40 movl %cr0, %edx 42 movl %cr0, %edx
41 orb $X86_CR0_PE, %dl # Protected mode 43 orb $X86_CR0_PE, %dl # Protected mode
42 movl %edx, %cr0 44 movl %edx, %cr0
43 jmp 1f # Short jump to serialize on 386/486
441:
45 45
46 # Transition to 32-bit mode 46 # Transition to 32-bit mode
47 .byte 0x66, 0xea # ljmpl opcode 47 .byte 0x66, 0xea # ljmpl opcode