| include $(MAKEDIR)/syslinux.mk |
| |
| com32 = $(topdir)/com32 |
| core = $(topdir)/core |
| |
| # Support IA32 and x86_64 platforms with one build |
| # Set up architecture specifics; for cross compilation, set ARCH as apt |
| # gnuefi sets up architecture specifics in ia32 or x86_64 sub directories |
| # set up the LIBDIR and EFIINC for building for the appropriate architecture |
| GCCOPT := $(call gcc_ok,-fno-stack-protector,) |
| EFIINC = $(objdir)/include/efi |
| LIBDIR = $(objdir)/lib |
| |
| ifeq ($(ARCH),i386) |
| ARCHOPT = -m32 -march=i386 |
| EFI_SUBARCH = ia32 |
| endif |
| ifeq ($(ARCH),x86_64) |
| ARCHOPT = -m64 -march=x86-64 |
| EFI_SUBARCH = $(ARCH) |
| endif |
| |
| #LIBDIR=/usr/lib |
| FORMAT=efi-app-$(EFI_SUBARCH) |
| |
| CFLAGS = -I$(EFIINC) -I$(EFIINC)/$(EFI_SUBARCH) \ |
| -DEFI_FUNCTION_WRAPPER -fPIC -fshort-wchar -ffreestanding \ |
| -Wall -I$(com32)/include -I$(com32)/include/sys \ |
| -I$(core)/include -I$(core)/ $(ARCHOPT) \ |
| -I$(com32)/lib/ -I$(com32)/libutil/include -std=gnu99 \ |
| -DELF_DEBUG -DSYSLINUX_EFI -I$(objdir) \ |
| $(GCCWARN) -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ -mno-red-zone \ |
| -DLDLINUX=\"$(LDLINUX)\" -fvisibility=hidden \ |
| -Wno-unused-parameter $(GCCOPT) |
| |
| CRT0 := $(LIBDIR)/crt0-efi-$(EFI_SUBARCH).o |
| LDSCRIPT := $(LIBDIR)/elf_$(EFI_SUBARCH)_efi.lds |
| |
| LDFLAGS = -T $(SRC)/$(ARCH)/syslinux.ld -Bsymbolic -pie -nostdlib -znocombreloc \ |
| -L$(LIBDIR) --hash-style=gnu -m elf_$(ARCH) $(CRT0) -E |
| |
| SFLAGS = $(GCCOPT) $(GCCWARN) $(ARCHOPT) \ |
| -fomit-frame-pointer -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \ |
| -nostdinc -iwithprefix include \ |
| -I$(com32)/libutil/include -I$(com32)/include -I$(com32)/include/sys $(GPLINCLUDE) |
| |
| LIBEFI = $(objdir)/lib/libefi.a |
| |
| $(LIBEFI): |
| @echo Building gnu-efi for $(EFI_SUBARCH) |
| $(topdir)/efi/check-gnu-efi.sh $(EFI_SUBARCH) $(objdir) |
| |
| %.o: %.S # Cancel old rule |
| |
| %.o: %.c |
| |
| .PRECIOUS: %.o |
| %.o: %.S $(LIBEFI) |
| $(CC) $(SFLAGS) -c -o $@ $< |
| |
| .PRECIOUS: %.o |
| %.o: %.c $(LIBEFI) |
| $(CC) $(CFLAGS) -c -o $@ $< |
| |
| #%.efi: %.so |
| # $(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \ |
| # -j .rela -j .reloc --target=$(FORMAT) $*.so $@ |
