vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

pull-in emu-lite branch

Browse source
This commit is contained in:
BVK Chaitanya 2010-05-26 17:49:05 +05:30
commit 692d7c2855
120 changed files with 3842 additions and 13152 deletions
Download patch file Download diff file Expand all files Collapse all files

27
grub-core/kern/mips/startup.S
View file

@ -18,8 +18,9 @@
*/
#include <grub/symbol.h>
#include <grub/cpu/kernel.h>
#include <grub/offsets.h>
#include <grub/machine/memory.h>
#include <grub/offsets.h>
#define BASE_ADDR 8
@ -32,13 +33,13 @@ _start:
start:
bal codestart
base:
. = _start + GRUB_KERNEL_CPU_COMPRESSED_SIZE
. = _start + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
compressed_size:
.long 0
. = _start + GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE
. = _start + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
total_module_size:
.long 0
. = _start + GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE
. = _start + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE
kernel_image_size:
.long 0
codestart:
@ -105,10 +106,10 @@ argdone:
#endif
/* Decompress the payload. */
addiu $a0, $s0, GRUB_KERNEL_CPU_RAW_SIZE - BASE_ADDR
addiu $a0, $s0, GRUB_KERNEL_MACHINE_RAW_SIZE - BASE_ADDR
lui $a1, %hi(compressed)
addiu $a1, %lo(compressed)
lw $a2, (GRUB_KERNEL_CPU_COMPRESSED_SIZE - BASE_ADDR)($s0)
lw $a2, (GRUB_KERNEL_MACHINE_COMPRESSED_SIZE - BASE_ADDR)($s0)
move $s1, $a1
/* $a0 contains source compressed address, $a1 is destination,
@ -134,9 +135,9 @@ reloccont:
addiu $t1, %lo(cont)
jr $t1
. = _start + GRUB_KERNEL_CPU_RAW_SIZE
. = _start + GRUB_KERNEL_MACHINE_RAW_SIZE
compressed:
. = _start + GRUB_KERNEL_CPU_PREFIX
. = _start + GRUB_KERNEL_MACHINE_PREFIX
VARIABLE(grub_prefix)
@ -146,7 +147,7 @@ VARIABLE(grub_prefix)
* Leave some breathing room for the prefix.
*/
. = _start + GRUB_KERNEL_CPU_DATA_END
. = _start + GRUB_KERNEL_MACHINE_DATA_END
#ifdef GRUB_MACHINE_MIPS_YEELOONG
VARIABLE (grub_arch_busclock)
.long 0
@ -171,17 +172,17 @@ cont:
/* Move the modules out of BSS. */
lui $t1, %hi(_start)
addiu $t1, %lo(_start)
lw $t2, (GRUB_KERNEL_CPU_KERNEL_IMAGE_SIZE - BASE_ADDR)($s0)
lw $t2, (GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE - BASE_ADDR)($s0)
addu $t2, $t1, $t2
lui $t1, %hi(_end)
addiu $t1, %lo(_end)
addiu $t1, (GRUB_MOD_ALIGN-1)
li $t3, (GRUB_MOD_ALIGN-1)
addiu $t1, (GRUB_KERNEL_MACHINE_MOD_ALIGN-1)
li $t3, (GRUB_KERNEL_MACHINE_MOD_ALIGN-1)
nor $t3, $t3, $0
and $t1, $t1, $t3
lw $t3, (GRUB_KERNEL_CPU_TOTAL_MODULE_SIZE - BASE_ADDR)($s0)
lw $t3, (GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE - BASE_ADDR)($s0)
/* Backward copy. */
add $t1, $t1, $t3