freebsd-dev/sys/boot/i386/Makefile.inc
Dimitry Andric 3ab20ac1f5 On i386 and amd64, consistently use the following options whenever we
want to avoid using any "advanced" CPU features:

  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float
2011-01-05 22:24:33 +00:00

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581 B
Makefile

# Common defines for all of /sys/boot/i386/
#
# $FreeBSD$
BINDIR?= /boot
LOADER_ADDRESS?=0x200000
CFLAGS+= -ffreestanding -mpreferred-stack-boundary=2 \
-mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float
LDFLAGS+= -nostdlib
.if ${MACHINE_CPUARCH} == "amd64"
CFLAGS+= -m32 -march=i386
LDFLAGS+= -m elf_i386_fbsd
AFLAGS+= --32
.endif
# BTX components
.if exists(${.OBJDIR}/../btx)
BTXDIR= ${.OBJDIR}/../btx
.else
BTXDIR= ${.CURDIR}/../btx
.endif
BTXLDR= ${BTXDIR}/btxldr/btxldr
BTXKERN= ${BTXDIR}/btx/btx
BTXCRT= ${BTXDIR}/lib/crt0.o
.include "../Makefile.inc"