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cdboot: add explict suffix to ambiguous or instruction

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Clang disallows ambiguous instructions (GNU as has a default based on
chosen .code setting). We only need 'orb' here because KARGS_FLAGS_PXE
fits in a byte; this is the same as done in bxeboot.

Reviewed by:	kib
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D8959
This commit is contained in:
Ed Maste 2016-12-28 23:02:01 +00:00
parent 2ef476c9a2
commit b21e55bfb9
1 changed files with 1 additions and 1 deletions
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2
sys/boot/i386/cdboot/cdboot.S
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@ -127,7 +127,7 @@ start: cld # string ops inc
stosl # to zero
mov drive,%dl # Store BIOS boot device
mov %dl,0x4(%bx) # in kargs->bootdev
or $KARGS_FLAGS_CD,0x8(%bx) # kargs->bootflags |=
orb $KARGS_FLAGS_CD,0x8(%bx) # kargs->bootflags |=
# KARGS_FLAGS_CD
#
# Load Volume Descriptor