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authorRalf Baechle <ralf@linux-mips.org>2007-07-31 15:17:21 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-07-31 21:35:36 +0100
commit00be0f305fa69adb9f9d7b9447283b862b853e9e (patch)
treeeb08ba26308be2c77fd79571d11a00acb0e031a2 /arch/mips/kernel/relocate_kernel.S
parent1065932fcb73ca188a497d8853a1a00422ce6c62 (diff)
[MIPS] Kexec: Fix several 64-bit bugs.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/relocate_kernel.S')
-rw-r--r--arch/mips/kernel/relocate_kernel.S78
1 files changed, 40 insertions, 38 deletions
diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S
index a3f0d00c1334..87481f916a61 100644
--- a/arch/mips/kernel/relocate_kernel.S
+++ b/arch/mips/kernel/relocate_kernel.S
@@ -14,67 +14,69 @@
#include <asm/stackframe.h>
#include <asm/addrspace.h>
- .globl relocate_new_kernel
-relocate_new_kernel:
-
- PTR_L s0, kexec_indirection_page
- PTR_L s1, kexec_start_address
+LEAF(relocate_new_kernel)
+ PTR_L s0, kexec_indirection_page
+ PTR_L s1, kexec_start_address
process_entry:
- PTR_L s2, (s0)
- PTR_ADD s0, s0, SZREG
+ PTR_L s2, (s0)
+ PTR_ADD s0, s0, SZREG
/* destination page */
- and s3, s2, 0x1
- beq s3, zero, 1f
- and s4, s2, ~0x1 /* store destination addr in s4 */
- move a0, s4
- b process_entry
+ and s3, s2, 0x1
+ beq s3, zero, 1f
+ and s4, s2, ~0x1 /* store destination addr in s4 */
+ move a0, s4
+ b process_entry
1:
/* indirection page, update s0 */
- and s3, s2, 0x2
- beq s3, zero, 1f
- and s0, s2, ~0x2
- b process_entry
+ and s3, s2, 0x2
+ beq s3, zero, 1f
+ and s0, s2, ~0x2
+ b process_entry
1:
/* done page */
- and s3, s2, 0x4
- beq s3, zero, 1f
- b done
+ and s3, s2, 0x4
+ beq s3, zero, 1f
+ b done
1:
/* source page */
- and s3, s2, 0x8
- beq s3, zero, process_entry
- and s2, s2, ~0x8
- li s6, (1 << PAGE_SHIFT) / SZREG
+ and s3, s2, 0x8
+ beq s3, zero, process_entry
+ and s2, s2, ~0x8
+ li s6, (1 << PAGE_SHIFT) / SZREG
copy_word:
/* copy page word by word */
- REG_L s5, (s2)
- REG_S s5, (s4)
- INT_ADD s4, s4, SZREG
- INT_ADD s2, s2, SZREG
- INT_SUB s6, s6, 1
- beq s6, zero, process_entry
- b copy_word
- b process_entry
+ REG_L s5, (s2)
+ REG_S s5, (s4)
+ PTR_ADD s4, s4, SZREG
+ PTR_ADD s2, s2, SZREG
+ LONG_SUB s6, s6, 1
+ beq s6, zero, process_entry
+ b copy_word
+ b process_entry
done:
/* jump to kexec_start_address */
- j s1
+ j s1
+ END(relocate_new_kernel)
- .globl kexec_start_address
kexec_start_address:
- .long 0x0
+ EXPORT(kexec_start_address)
+ PTR 0x0
+ .size kexec_start_address, PTRSIZE
- .globl kexec_indirection_page
kexec_indirection_page:
- .long 0x0
+ EXPORT(kexec_indirection_page)
+ PTR 0
+ .size kexec_indirection_page, PTRSIZE
relocate_new_kernel_end:
- .globl relocate_new_kernel_size
relocate_new_kernel_size:
- .long relocate_new_kernel_end - relocate_new_kernel
+ EXPORT(relocate_new_kernel_size)
+ PTR relocate_new_kernel_end - relocate_new_kernel
+ .size relocate_new_kernel_size, PTRSIZE