sys/boot/pc32/Makefile.inc

   1 # Common defines for all of /sys/boot/i386/
   2
   3 .if !target(__pc32__)
   4 __pc32__:
   5
   6 LOADER_ADDRESS?= 0x200000
   7 CFLAGS+=        -ffreestanding
   8 CFLAGS+=        -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float
   9
  10 # override CPU type, so that gcc doesn't insert mmx/sse instructions
  11 FORCE_CPUTYPE=  i386
  12
  13 WARNS?= 2
  14
  15 # if a gcc compiler is being used, identify GCC-only flags,
  16 # otherwise check for clang and set value of ASSEMBLER_FLAGS if found
  17 .if ${CCVER:Mgcc*}
  18 CFLAGS+=                -mpreferred-stack-boundary=2
  19 BOOT2_GCC_FLAGS=        -fno-guess-branch-probability \
  20                         -fno-unit-at-a-time
  21 .elif ${CCVER:Mclang*}
  22 ASSEMBLER_FLAGS+=       -no-integrated-as
  23 .endif
  24
  25 .if defined(REALLY_X86_64)
  26 .include "../pc64/Makefile.inc"
  27 .endif
  28 .endif