119 lines
3.7 KiB
Makefile
119 lines
3.7 KiB
Makefile
## -*- makefile -*- -------------------------------------------------------
|
|
##
|
|
## Copyright 2008-2009 H. Peter Anvin - All Rights Reserved
|
|
## Copyright 2009 Intel Corporation; author: H. Peter Anvin
|
|
##
|
|
## This program is free software; you can redistribute it and/or modify
|
|
## it under the terms of the GNU General Public License as published by
|
|
## the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
## Boston MA 02110-1301, USA; either version 2 of the License, or
|
|
## (at your option) any later version; incorporated herein by reference.
|
|
##
|
|
## -----------------------------------------------------------------------
|
|
|
|
##
|
|
## COM32 common configurables
|
|
##
|
|
|
|
include $(MAKEDIR)/syslinux.mk
|
|
|
|
# Support IA32 and x86_64 platforms with one build
|
|
# Set up architecture specifics; for cross compilation, set ARCH as apt
|
|
GCCOPT := $(call gcc_ok,-std=gnu99,)
|
|
ifeq ($(strip $(ARCH)),i386)
|
|
GCCOPT += $(call gcc_ok,-m32,)
|
|
GCCOPT += $(call gcc_ok,-march=i386)
|
|
GCCOPT += $(call gcc_ok,-mpreferred-stack-boundary=2,)
|
|
GCCOPT += $(call gcc_ok,-incoming-stack-boundary=2,)
|
|
endif
|
|
ifeq ($(strip $(ARCH)),x86_64)
|
|
GCCOPT += $(call gcc_ok,-m64,)
|
|
GCCOPT += $(call gcc_ok,-march=x86-64)
|
|
#let the stack-boundary default to whatever it is on 64bit
|
|
#GCCOPT += $(call gcc_ok,-mpreferred-stack-boundary=8,)
|
|
#GCCOPT += $(call gcc_ok,-incoming-stack-boundary=8,)
|
|
endif
|
|
GCCOPT += $(call gcc_ok,-fno-stack-protector,)
|
|
GCCOPT += $(call gcc_ok,-fwrapv,)
|
|
GCCOPT += $(call gcc_ok,-freg-struct-return,)
|
|
GCCOPT += -Os
|
|
# Note -fPIE does not work with ld on x86_64, try -fPIC instead
|
|
# Does BIOS build require -fPIE?
|
|
GCCOPT += $(call gcc_ok,-fPIC)
|
|
GCCOPT += $(call gcc_ok,-fno-exceptions,)
|
|
GCCOPT += $(call gcc_ok,-fno-asynchronous-unwind-tables,)
|
|
GCCOPT += $(call gcc_ok,-fno-strict-aliasing,)
|
|
GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
|
|
GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
|
|
GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
|
|
GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
|
|
|
|
ifndef EFI_BUILD
|
|
GCCOPT += -mregparm=3 -DREGPARM=3
|
|
endif
|
|
|
|
com32 := $(topdir)/com32
|
|
RELOCS := $(com32)/tools/relocs
|
|
|
|
ifneq ($(NOGPL),1)
|
|
GPLLIB = $(com32)/gpllib/libcom32gpl.a
|
|
GPLINCLUDE = -I$(com32)/gplinclude
|
|
else
|
|
GPLLIB =
|
|
GPLINCLUDE =
|
|
endif
|
|
|
|
CFLAGS = $(GCCOPT) $(GCCWARN) \
|
|
-fomit-frame-pointer -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \
|
|
-nostdinc -iwithprefix include \
|
|
-I$(com32)/libutil/include -I$(com32)/include \
|
|
-I$(com32)/include/sys $(GPLINCLUDE)
|
|
SFLAGS = $(GCCOPT) $(GCCWARN) \
|
|
-fomit-frame-pointer -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \
|
|
-nostdinc -iwithprefix include \
|
|
-I$(com32)/libutil/include -I$(com32)/include \
|
|
-I$(com32)/include/sys $(GPLINCLUDE)
|
|
|
|
COM32LD = $(com32)/lib/$(ARCH)/elf.ld
|
|
LDFLAGS = -m elf_$(ARCH) -shared --hash-style=gnu -T $(COM32LD)
|
|
LIBGCC := $(shell $(CC) $(GCCOPT) --print-libgcc)
|
|
|
|
LNXCFLAGS = -I$(com32)/libutil/include $(GCCWARN) -O -g \
|
|
-D_GNU_SOURCE -D_FORTIFY_SOURCE=0 -Wno-error
|
|
LNXSFLAGS = -g
|
|
LNXLDFLAGS = -g
|
|
|
|
C_LIBS = $(GPLLIB) $(com32)/lib/libcom32.c32 $(LIBGCC)
|
|
C_LNXLIBS = $(com32)/libutil/libutil_lnx.a
|
|
|
|
.SUFFIXES: .lss .c .lo .o .elf .c32 .lnx
|
|
|
|
.PRECIOUS: %.o
|
|
%.o: %.S
|
|
$(CC) $(MAKEDEPS) $(SFLAGS) -c -o $@ $<
|
|
|
|
.PRECIOUS: %.o
|
|
%.o: %.c
|
|
$(CC) $(MAKEDEPS) $(CFLAGS) -c -o $@ $<
|
|
|
|
.PRECIOUS: %.elf
|
|
%.elf: %.o $(LIBS) $(C_LIBS) $(COM32LD)
|
|
$(LD) $(LDFLAGS) -o $@ $(filter-out $(COM32LD),$^)
|
|
|
|
.PRECIOUS: %.lo
|
|
%.lo: %.S
|
|
$(CC) $(MAKEDEPS) $(LNXSFLAGS) -c -o $@ $<
|
|
|
|
.PRECIOUS: %.lo
|
|
%.lo: %.c
|
|
$(CC) $(MAKEDEPS) $(LNXCFLAGS) -c -o $@ $<
|
|
|
|
.PRECIOUS: %.lnx
|
|
%.lnx: %.lo $(LNXLIBS) $(C_LNXLIBS)
|
|
$(CC) $(LNXCFLAGS) -o $@ $^
|
|
|
|
%.c32: %.elf
|
|
$(OBJCOPY) --strip-debug --strip-unneeded $< $@
|
|
##$(OBJCOPY) -O binary $< $@
|
|
##$(RELOCS) $< >> $@ || ( rm -f $@ ; false )
|