Commit 3ddd00658edf6c1af0c22f9cdcf963efdeda91bb

Authored by ths
1 parent a2d1ebaf

Fix 64bit-induced MIPS Malta breakage, by Aurelien Jarno.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2365 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 19 additions and 20 deletions
hw/mips_malta.c
... ... @@ -32,12 +32,11 @@
32 32  
33 33 #ifdef MIPS_HAS_MIPS64
34 34 #define INITRD_LOAD_ADDR (int64_t)0x80800000
35   -#define ENVP_ADDR (int64_t)0x80002000
36 35 #else
37 36 #define INITRD_LOAD_ADDR (int32_t)0x80800000
38   -#define ENVP_ADDR (int32_t)0x80002000
39 37 #endif
40 38  
  39 +#define ENVP_ADDR (int32_t)0x80002000
41 40 #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
42 41  
43 42 #define ENVP_NB_ENTRIES 16
... ... @@ -390,36 +389,36 @@ static void write_bootloader (CPUState *env, unsigned long bios_offset, int64_t
390 389  
391 390 /* Small bootloader */
392 391 p = (uint32_t *) (phys_ram_base + bios_offset);
393   - stl_raw(p++, 0x0bf00010); /* j 0x1fc00040 */
394   - stl_raw(p++, 0x00000000); /* nop */
  392 + stl_raw(p++, 0x0bf00010); /* j 0x1fc00040 */
  393 + stl_raw(p++, 0x00000000); /* nop */
395 394  
396 395 /* Second part of the bootloader */
397 396 p = (uint32_t *) (phys_ram_base + bios_offset + 0x040);
398   - stl_raw(p++, 0x3c040000); /* lui a0, 0 */
399   - stl_raw(p++, 0x34840002); /* ori a0, a0, 2 */
400   - stl_raw(p++, 0x3c050000 | ((ENVP_ADDR) >> 16)); /* lui a1, high(ENVP_ADDR) */
401   - stl_raw(p++, 0x34a50000 | ((ENVP_ADDR) & 0xffff)); /* ori a1, a0, low(ENVP_ADDR) */
402   - stl_raw(p++, 0x3c060000 | ((ENVP_ADDR + 8) >> 16)); /* lui a2, high(ENVP_ADDR + 8) */
403   - stl_raw(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */
404   - stl_raw(p++, 0x3c070000 | ((env->ram_size) >> 16)); /* lui a3, high(env->ram_size) */
405   - stl_raw(p++, 0x34e70000 | ((env->ram_size) & 0xffff)); /* ori a3, a3, low(env->ram_size) */
406   - stl_raw(p++, 0x3c1f0000 | ((kernel_addr) >> 16)); /* lui ra, high(kernel_addr) */;
407   - stl_raw(p++, 0x37ff0000 | ((kernel_addr) & 0xffff)); /* ori ra, ra, low(kernel_addr) */
408   - stl_raw(p++, 0x03e00008); /* jr ra */
409   - stl_raw(p++, 0x00000000); /* nop */
  397 + stl_raw(p++, 0x3c040000); /* lui a0, 0 */
  398 + stl_raw(p++, 0x34840002); /* ori a0, a0, 2 */
  399 + stl_raw(p++, 0x3c050000 | ((ENVP_ADDR >> 16) & 0xffff)); /* lui a1, high(ENVP_ADDR) */
  400 + stl_raw(p++, 0x34a50000 | (ENVP_ADDR & 0xffff)); /* ori a1, a0, low(ENVP_ADDR) */
  401 + stl_raw(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff)); /* lui a2, high(ENVP_ADDR + 8) */
  402 + stl_raw(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */
  403 + stl_raw(p++, 0x3c070000 | (env->ram_size >> 16)); /* lui a3, high(env->ram_size) */
  404 + stl_raw(p++, 0x34e70000 | (env->ram_size & 0xffff)); /* ori a3, a3, low(env->ram_size) */
  405 + stl_raw(p++, 0x3c1f0000 | ((kernel_addr >> 16) & 0xffff)); /* lui ra, high(kernel_addr) */;
  406 + stl_raw(p++, 0x37ff0000 | (kernel_addr & 0xffff)); /* ori ra, ra, low(kernel_addr) */
  407 + stl_raw(p++, 0x03e00008); /* jr ra */
  408 + stl_raw(p++, 0x00000000); /* nop */
410 409 }
411 410  
412 411 static void prom_set(int index, const char *string, ...)
413 412 {
414 413 va_list ap;
415   - uint32_t *p;
416   - uint32_t table_addr;
  414 + int32_t *p;
  415 + int32_t table_addr;
417 416 char *s;
418 417  
419 418 if (index >= ENVP_NB_ENTRIES)
420 419 return;
421 420  
422   - p = (uint32_t *) (phys_ram_base + ENVP_ADDR + VIRT_TO_PHYS_ADDEND);
  421 + p = (int32_t *) (phys_ram_base + ENVP_ADDR + VIRT_TO_PHYS_ADDEND);
423 422 p += index;
424 423  
425 424 if (string == NULL) {
... ... @@ -427,7 +426,7 @@ static void prom_set(int index, const char *string, ...)
427 426 return;
428 427 }
429 428  
430   - table_addr = ENVP_ADDR + sizeof(uint32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE;
  429 + table_addr = ENVP_ADDR + sizeof(int32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE;
431 430 s = (char *) (phys_ram_base + VIRT_TO_PHYS_ADDEND + table_addr);
432 431  
433 432 stl_raw(p, table_addr);
... ...