1 include $(MAKEDIR)/syslinux.mk 2 3 com32 = $(topdir)/com32 4 core = $(topdir)/core 5 6 # Support IA32 and x86_64 platforms with one build 7 # Set up architecture specifics; for cross compilation, set ARCH as apt 8 # gnuefi sets up architecture specifics in ia32 or x86_64 sub directories 9 # set up the LIBDIR and EFIINC for building for the appropriate architecture 10 GCCOPT := $(call gcc_ok,-fno-stack-protector,) 11 EFIINC = $(objdir)/include/efi 12 LIBDIR = $(objdir)/lib 13 14 ifeq ($(ARCH),i386) 15 ARCHOPT = -m32 -march=i386 16 EFI_SUBARCH = ia32 17 endif 18 ifeq ($(ARCH),x86_64) 19 ARCHOPT = -m64 -march=x86-64 20 EFI_SUBARCH = $(ARCH) 21 endif 22 23 #LIBDIR=/usr/lib 24 FORMAT=efi-app-$(EFI_SUBARCH) 25 26 CFLAGS = -I$(EFIINC) -I$(EFIINC)/$(EFI_SUBARCH) \ 27 -DEFI_FUNCTION_WRAPPER -fPIC -fshort-wchar -ffreestanding \ 28 -Wall -I$(com32)/include -I$(com32)/include/sys \ 29 -I$(core)/include -I$(core)/ $(ARCHOPT) \ 30 -I$(com32)/lib/ -I$(com32)/libutil/include -std=gnu99 \ 31 -DELF_DEBUG -DSYSLINUX_EFI -I$(objdir) \ 32 $(GCCWARN) -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ -mno-red-zone \ 33 -DLDLINUX=\"$(LDLINUX)\" -fvisibility=hidden \ 34 -Wno-unused-parameter $(GCCOPT) 35 36 CRT0 := $(LIBDIR)/crt0-efi-$(EFI_SUBARCH).o 37 LDSCRIPT := $(LIBDIR)/elf_$(EFI_SUBARCH)_efi.lds 38 39 LDFLAGS = -T $(SRC)/$(ARCH)/syslinux.ld -Bsymbolic -pie -nostdlib -znocombreloc \ 40 -L$(LIBDIR) --hash-style=gnu -m elf_$(ARCH) $(CRT0) -E 41 42 SFLAGS = $(GCCOPT) $(GCCWARN) $(ARCHOPT) \ 43 -fomit-frame-pointer -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \ 44 -nostdinc -iwithprefix include \ 45 -I$(com32)/libutil/include -I$(com32)/include -I$(com32)/include/sys $(GPLINCLUDE) 46 47 LIBEFI = $(objdir)/lib/libefi.a 48 49 $(LIBEFI): 50 @echo Building gnu-efi for $(EFI_SUBARCH) 51 $(topdir)/efi/check-gnu-efi.sh $(EFI_SUBARCH) $(objdir) 52 53 %.o: %.S # Cancel old rule 54 55 %.o: %.c 56 57 .PRECIOUS: %.o 58 %.o: %.S $(LIBEFI) 59 $(CC) $(SFLAGS) -c -o $@ $< 60 61 .PRECIOUS: %.o 62 %.o: %.c $(LIBEFI) 63 $(CC) $(CFLAGS) -c -o $@ $< 64 65 #%.efi: %.so 66 # $(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \ 67 # -j .rela -j .reloc --target=$(FORMAT) $*.so $@ 68
