#
# filesystems/Make.gnuefi
# Build control file for the EFI drivers, as built with GNU-EFI
#

SRCDIR = .

VPATH = $(SRCDIR)

HOSTARCH        = $(shell uname -m | sed s,i[3456789]86,ia32,)
ARCH            ?= $(HOSTARCH)

# Note: IA64 options are untested; taken from Debian's rEFIt package.
ifeq ($(ARCH),ia64)
  # EFI specs allows only lower floating point partition to be used
  ARCH_C_CFLAGS  = -frename-registers -mfixed-range=f32-f127
  # TODO: Add FILENAME_CODE as appropriate
endif

ifeq ($(ARCH),ia32)
  LIBEG = build32
  ARCH_C_FLAGS = -m32 -malign-double
  FILENAME_CODE = ia32
  LD_CODE = elf_i386
endif

ifeq ($(ARCH),x86_64)
  LIBEG = build64
  ARCH_C_FLAGS = "-DEFIAPI=__attribute__((ms_abi))" -m64
  FILENAME_CODE = x64
  LD_CODE = elf_x86_64
endif

ifeq ($(ARCH),aarch64)
  LIBEG = build64
  ARCH_C_FLAGS = 
  FILENAME_CODE = aa64
  LD_CODE = elf_aarch64
  FORMAT_DRIVER = -O binary
endif

LOCAL_CPPFLAGS   = -DFSTYPE=$(DRIVERNAME) $(ARCH_C_FLAGS) -I$(SRCDIR) -I$(SRCDIR)/../include -I$(SRCDIR)/../libeg

OBJS            = fsw_core.o fsw_efi.o fsw_efi_lib.o fsw_lib.o fsw_$(DRIVERNAME).o
TARGET          = $(DRIVERNAME)_$(FILENAME_CODE).efi

all: $(TARGET)

include $(SRCDIR)/../Make.common

$(SHLIB_TARGET): $(OBJS)
	$(LD) $(LOCAL_LDFLAGS) $(DRV_LDFLAGS) $(OBJS) -o $@ $(LOCAL_LIBS) $(LIBS)

$(TARGET): $(SHLIB_TARGET)
	$(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \
	           -j .rela -j .rel.* -j .rela.* -j .rel* -j .rela* \
		   -j .reloc $(FORMAT_DRIVER) $< $@
	chmod a-x $(TARGET)
	mkdir -p ../drivers_$(FILENAME_CODE)
	cp $(TARGET) ../drivers_$(FILENAME_CODE)

# EOF