diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/arch/i386/Makefile')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/arch/i386/Makefile | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/arch/i386/Makefile b/contrib/syslinux-4.02/gpxe/src/arch/i386/Makefile new file mode 100644 index 0000000..dd8da80 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/arch/i386/Makefile @@ -0,0 +1,117 @@ +# Force i386-only instructions +# +CFLAGS += -march=i386 + +# Code size reduction. +# +CFLAGS += -fomit-frame-pointer + +# Code size reduction. +# +ifeq ($(CCTYPE),gcc) +CFLAGS += -fstrength-reduce +endif + +# Code size reduction. gcc3 needs a different syntax to gcc2 if you +# want to avoid spurious warnings. +# +ifeq ($(CCTYPE),gcc) +GCC_VERSION := $(subst ., ,$(shell $(CC) -dumpversion)) +GCC_MAJOR := $(firstword $(GCC_VERSION)) +ifeq ($(GCC_MAJOR),2) +CFLAGS += -malign-jumps=1 -malign-loops=1 -malign-functions=1 +else +CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1 +endif # gcc2 +endif # gcc + +# Code size reduction. This is almost always a win. The kernel uses +# it, too. +# +ifeq ($(CCTYPE),gcc) +CFLAGS += -mpreferred-stack-boundary=2 +endif + +# Code size reduction. Use regparm for all functions - C functions +# called from assembly (or vice versa) need __asmcall now +# +CFLAGS += -mregparm=3 + +# Code size reduction. Use -mrtd (same __asmcall requirements as above) +ifeq ($(CCTYPE),gcc) +CFLAGS += -mrtd +endif + +# Code size reduction. This is the logical complement to -mregparm=3. +# It doesn't currently buy us anything, but if anything ever tries to +# return small structures, let's be prepared +# +CFLAGS += -freg-struct-return + +# Force 32-bit code even on an x86-64 machine +# +CFLAGS += -m32 +ASFLAGS += --32 +ifeq ($(HOST_OS),FreeBSD) +LDFLAGS += -m elf_i386_fbsd +else +LDFLAGS += -m elf_i386 +endif + +# EFI requires -fshort-wchar, and nothing else currently uses wchar_t +# +CFLAGS += -fshort-wchar + +# We need to undefine the default macro "i386" when compiling .S +# files, otherwise ".arch i386" translates to ".arch 1"... +# +CFLAGS += -Ui386 + +# Locations of utilities +# +ISOLINUX_BIN = /usr/lib/syslinux/isolinux.bin + +# i386-specific directories containing source files +# +SRCDIRS += arch/i386/core arch/i386/transitions arch/i386/prefix +SRCDIRS += arch/i386/firmware/pcbios +SRCDIRS += arch/i386/image +SRCDIRS += arch/i386/drivers +SRCDIRS += arch/i386/drivers/net +SRCDIRS += arch/i386/interface/pcbios +SRCDIRS += arch/i386/interface/pxe +SRCDIRS += arch/i386/interface/pxeparent +SRCDIRS += arch/i386/interface/syslinux +SRCDIRS += arch/i386/hci/commands + +# The various xxx_loader.c files are #included into core/loader.c and +# should not be compiled directly. +# +NON_AUTO_SRCS += arch/i386/core/aout_loader.c +NON_AUTO_SRCS += arch/i386/core/freebsd_loader.c +NON_AUTO_SRCS += arch/i386/core/wince_loader.c + +# Include common x86 Makefile +# +MAKEDEPS += arch/x86/Makefile +include arch/x86/Makefile + +# Include platform-specific Makefile +# +MAKEDEPS += arch/i386/Makefile.$(PLATFORM) +include arch/i386/Makefile.$(PLATFORM) + +# Some suffixes (e.g. %.fd0) are generated directly from other +# finished files (e.g. %.dsk), rather than having their own prefix. + +# rule to write disk images to /dev/fd0 +NON_AUTO_MEDIA += fd0 +%fd0 : %dsk + $(QM)$(ECHO) " [DD] $@" + $(Q)dd if=$< bs=512 conv=sync of=/dev/fd0 + $(Q)sync + +# Add NON_AUTO_MEDIA to the media list, so that they show up in the +# output of "make" +# +MEDIA += $(NON_AUTO_MEDIA) |