Commit d52fff710acfeaad0102c9a0c04bfb614441dcac
1 parent
74563c16
Improved mini-bootloader, based on a patch by Alec Voropay.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2725 c046a42c-6fe2-441c-8c8c-71466251a162
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5 additions
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4 deletions
hw/mips_malta.c
| ... | ... | @@ -535,13 +535,14 @@ static void write_bootloader (CPUState *env, unsigned long bios_offset, int64_t |
| 535 | 535 | |
| 536 | 536 | /* Small bootloader */ |
| 537 | 537 | p = (uint32_t *) (phys_ram_base + bios_offset); |
| 538 | - stl_raw(p++, 0x0bf00010); /* j 0x1fc00040 */ | |
| 538 | + stl_raw(p++, 0x0bf00006); /* j 0x1fc00018 */ | |
| 539 | 539 | stl_raw(p++, 0x00000000); /* nop */ |
| 540 | 540 | |
| 541 | 541 | /* Second part of the bootloader */ |
| 542 | - p = (uint32_t *) (phys_ram_base + bios_offset + 0x040); | |
| 543 | - stl_raw(p++, 0x3c040000); /* lui a0, 0 */ | |
| 544 | - stl_raw(p++, 0x34840002); /* ori a0, a0, 2 */ | |
| 542 | + p = (uint32_t *) (phys_ram_base + bios_offset + 0x018); | |
| 543 | + stl_raw(p++, 0x24040002); /* addiu a0, zero, 2 */ | |
| 544 | + stl_raw(p++, 0x3c1d0000 | (((ENVP_ADDR - 64) >> 16) & 0xffff)); /* lui sp, high(ENVP_ADDR) */ | |
| 545 | + stl_raw(p++, 0x37bd0000 | ((ENVP_ADDR - 64) & 0xffff)); /* ori sp, a0, low(ENVP_ADDR) */ | |
| 545 | 546 | stl_raw(p++, 0x3c050000 | ((ENVP_ADDR >> 16) & 0xffff)); /* lui a1, high(ENVP_ADDR) */ |
| 546 | 547 | stl_raw(p++, 0x34a50000 | (ENVP_ADDR & 0xffff)); /* ori a1, a0, low(ENVP_ADDR) */ |
| 547 | 548 | stl_raw(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff)); /* lui a2, high(ENVP_ADDR + 8) */ | ... | ... |