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x86, setup: move 32-bit code to .text32 

Impact: cleanup

The setup code is mostly 16-bit code, but there is a small stub of
32-bit code at the end.  Move the 32-bit code to a separate segment,
.text32, to avoid scrambling the disassembly.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
H. Peter Anvin 2009-03-17 15:26:06 -07:00
parent 0ca0f16fd1
commit be721696ca
2 changed files with 3 additions and 1 deletions
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1
arch/x86/boot/pmjump.S
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@ -47,6 +47,7 @@ GLOBAL(protected_mode_jump)
ENDPROC(protected_mode_jump)
.code32
.section ".text32","ax"
GLOBAL(in_pm32)
# Set up data segments for flat 32-bit mode
movl %ecx, %ds

3
arch/x86/boot/setup.ld
View File

@ -17,7 +17,8 @@ SECTIONS
.header : { *(.header) }
.inittext : { *(.inittext) }
.initdata : { *(.initdata) }
.text : { *(.text*) }
.text : { *(.text) }
.text32 : { *(.text32) }
. = ALIGN(16);
.rodata : { *(.rodata*) }