diff options
Diffstat (limited to 'qemu/roms/ipxe/src/arch/x86_64/Makefile')
| -rw-r--r-- | qemu/roms/ipxe/src/arch/x86_64/Makefile | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/arch/x86_64/Makefile b/qemu/roms/ipxe/src/arch/x86_64/Makefile new file mode 100644 index 000000000..b687f3407 --- /dev/null +++ b/qemu/roms/ipxe/src/arch/x86_64/Makefile @@ -0,0 +1,53 @@ +# Code size reduction. +# +CFLAGS += -fstrength-reduce -fomit-frame-pointer + +# Code size reduction. gcc3 needs a different syntax to gcc2 if you +# want to avoid spurious warnings. +# +CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1 + +# Use %rip-relative addressing wherever possible. +# +CFLAGS += -fpie + +# Force 64-bit code +# +CFLAGS += -m64 +ASFLAGS += --64 +LDFLAGS += -m elf_x86_64 + +# EFI requires -fshort-wchar, and nothing else currently uses wchar_t +# +CFLAGS += -fshort-wchar + +# We need to undefine the default macro "i386" when compiling .S +# files, otherwise ".arch i386" translates to ".arch 1"... +# +CFLAGS += -Ui386 + +# Add -maccumulate-outgoing-args if required by this version of gcc +# +ifeq ($(CCTYPE),gcc) +MS_ABI_TEST_CODE := extern void __attribute__ (( ms_abi )) ms_abi(); \ + void sysv_abi ( void ) { ms_abi(); } +MS_ABI_TEST = $(ECHO) '$(MS_ABI_TEST_CODE)' | \ + $(CC) -m64 -mno-accumulate-outgoing-args -x c -c - -o /dev/null \ + >/dev/null 2>&1 +MS_ABI_FLAGS := $(shell $(MS_ABI_TEST) || $(ECHO) '-maccumulate-outgoing-args') +WORKAROUND_CFLAGS += $(MS_ABI_FLAGS) +endif + +# x86_64-specific directories containing source files +# +SRCDIRS += arch/x86_64/prefix + +# Include common x86 Makefile +# +MAKEDEPS += arch/x86/Makefile +include arch/x86/Makefile + +# Include platform-specific Makefile +# +MAKEDEPS += arch/x86_64/Makefile.$(PLATFORM) +include arch/x86_64/Makefile.$(PLATFORM) |