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Allow build of linuxboot.S with old assemblers

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In the spirit of ff56954baf9cfab5cbbe18d10b4a09e4a17f39a8, fix the
build of linuxboot.S with old as(1) (as found in some BSD base systems)
by emitting the bytes of the insn it doesn't like instead.

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Juergen Lock 2009-11-20 23:37:57 +01:00 committed by Blue Swirl
parent 929fe49721
commit dd4239d657
1 changed files with 4 additions and 1 deletions
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5
pc-bios/optionrom/optionrom.h
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@ -66,7 +66,10 @@
outw %ax, (%dx); \ outw %ax, (%dx); \
mov $BIOS_CFG_IOPORT_DATA, %dx; \ mov $BIOS_CFG_IOPORT_DATA, %dx; \
cld; \ cld; \
rep insb (%dx), %es:(%edi); /* old as(1) doesn't like this insn so emit the bytes instead: \
rep insb (%dx), %es:(%edi); \
*/ \
.dc.b 0x67,0xf3,0x6c
#define OPTION_ROM_START \ #define OPTION_ROM_START \
.code16; \ .code16; \