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x86, boot: use BP_scratch in arch/x86/boot/compressed/head_*.S

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Use the BP_scratch symbol from asm-offsets.h instead of hard-coding
the location.

[ Impact: cleanup ]

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin
2009-05-05 23:24:50 -07:00
parent 283ab1c0bd
commit bd2a36984c
2 changed files with 2 additions and 2 deletions
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2
arch/x86/boot/compressed/head_32.S
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@@ -53,7 +53,7 @@ ENTRY(startup_32)
* data at 0x1e4 (defined as a scratch field) are used as the stack * data at 0x1e4 (defined as a scratch field) are used as the stack
* for this calculation. Only 4 bytes are needed. * for this calculation. Only 4 bytes are needed.
*/ */
leal (0x1e4+4)(%esi), %esp leal (BP_scratch+4)(%esi), %esp
call 1f call 1f
1: popl %ebp 1: popl %ebp
subl $1b, %ebp subl $1b, %ebp

2
arch/x86/boot/compressed/head_64.S
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@@ -56,7 +56,7 @@ ENTRY(startup_32)
* data at 0x1e4 (defined as a scratch field) are used as the stack * data at 0x1e4 (defined as a scratch field) are used as the stack
* for this calculation. Only 4 bytes are needed. * for this calculation. Only 4 bytes are needed.
*/ */
leal (0x1e4+4)(%esi), %esp leal (BP_scratch+4)(%esi), %esp
call 1f call 1f
1: popl %ebp 1: popl %ebp
subl $1b, %ebp subl $1b, %ebp