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x86, boot: remove dead code from boot/compressed/head_*.S

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Remove a couple of lines of dead code from
arch/x86/boot/compressed/head_*.S; all of these update registers that
are dead in the current code.

[ Impact: cleanup ]

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2009-05-11 16:02:10 -07:00
parent 40b387a8a9
commit 99aa45595f
2 changed files with 0 additions and 12 deletions
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10
arch/x86/boot/compressed/head_32.S
View File

@ -99,16 +99,6 @@ ENTRY(startup_32)
cld cld
popl %esi popl %esi
/*
* Compute the kernel start address.
*/
#ifdef CONFIG_RELOCATABLE
addl $(CONFIG_PHYSICAL_ALIGN - 1), %ebp
andl $(~(CONFIG_PHYSICAL_ALIGN - 1)), %ebp
#else
movl $LOAD_PHYSICAL_ADDR, %ebp
#endif
/* /*
* Jump to the relocated address. * Jump to the relocated address.
*/ */

2
arch/x86/boot/compressed/head_64.S
View File

@ -226,10 +226,8 @@ ENTRY(startup_64)
leaq startup_32(%rip) /* - $startup_32 */, %rbp leaq startup_32(%rip) /* - $startup_32 */, %rbp
addq $(PMD_PAGE_SIZE - 1), %rbp addq $(PMD_PAGE_SIZE - 1), %rbp
andq $PMD_PAGE_MASK, %rbp andq $PMD_PAGE_MASK, %rbp
movq %rbp, %rbx
#else #else
movq $LOAD_PHYSICAL_ADDR, %rbp movq $LOAD_PHYSICAL_ADDR, %rbp
movq %rbp, %rbx
#endif #endif
/* Target address to relocate to for decompression */ /* Target address to relocate to for decompression */