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x86, boot: use LOAD_PHYSICAL_ADDR on 64 bits 

Use LOAD_PHYSICAL_ADDR instead of CONFIG_PHYSICAL_START in the 64-bit
decompression code, for equivalence with the 32-bit code.

[ Impact: cleanup, increases code similarity ]

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2009-05-11 14:41:55 -07:00
parent 77d1a49995
commit 40b387a8a9
1 changed files with 3 additions and 3 deletions
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6
arch/x86/boot/compressed/head_64.S
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@ -87,7 +87,7 @@ ENTRY(startup_32)
addl $(PMD_PAGE_SIZE -1), %ebx
andl $PMD_PAGE_MASK, %ebx
#else
movl $CONFIG_PHYSICAL_START, %ebx
movl $LOAD_PHYSICAL_ADDR, %ebx
#endif
/* Target address to relocate to for decompression */
@ -215,7 +215,7 @@ ENTRY(startup_64)
*
* If it is a relocatable kernel then decompress and run the kernel
* from load address aligned to 2MB addr, otherwise decompress and
* run the kernel from CONFIG_PHYSICAL_START
* run the kernel from LOAD_PHYSICAL_ADDR
*
* We cannot rely on the calculation done in 32-bit mode, since we
* may have been invoked via the 64-bit entry point.
@ -228,7 +228,7 @@ ENTRY(startup_64)
andq $PMD_PAGE_MASK, %rbp
movq %rbp, %rbx
#else
movq $CONFIG_PHYSICAL_START, %rbp
movq $LOAD_PHYSICAL_ADDR, %rbp
movq %rbp, %rbx
#endif