1 # 2 # Copyright (C) 2017 The Android Open Source Project 3 # 4 # Permission is hereby granted, free of charge, to any person 5 # obtaining a copy of this software and associated documentation 6 # files (the "Software"), to deal in the Software without 7 # restriction, including without limitation the rights to use, copy, 8 # modify, merge, publish, distribute, sublicense, and/or sell copies 9 # of the Software, and to permit persons to whom the Software is 10 # furnished to do so, subject to the following conditions: 11 # 12 # The above copyright notice and this permission notice shall be 13 # included in all copies or substantial portions of the Software. 14 # 15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 # SOFTWARE. 23 # 24 25 # TODO(zeuthen): This is not invoked by Android build system and is 26 # intended to aid users to locally build the EFI application. It would 27 # be nice to add gnu-efi/ to external and rewrite this as an 28 # Android.mk file. 29 30 EFI_CC = gcc 31 EFI_LD = ld 32 EFI_OBJCOPY = objcopy 33 AVB = ../.. 34 GNUEFI = /usr/include/efi 35 36 EFI_SRC_FILES = \ 37 main.c \ 38 uefi_avb_sysdeps.c \ 39 uefi_avb_ops.c \ 40 uefi_avb_util.c \ 41 uefi_avb_boot.c \ 42 $(AVB)/libavb/avb_chain_partition_descriptor.c \ 43 $(AVB)/libavb/avb_crc32.c \ 44 $(AVB)/libavb/avb_crypto.c \ 45 $(AVB)/libavb/avb_descriptor.c \ 46 $(AVB)/libavb/avb_footer.c \ 47 $(AVB)/libavb/avb_hash_descriptor.c \ 48 $(AVB)/libavb/avb_hashtree_descriptor.c \ 49 $(AVB)/libavb/avb_kernel_cmdline_descriptor.c \ 50 $(AVB)/libavb/avb_property_descriptor.c \ 51 $(AVB)/libavb/avb_rsa.c \ 52 $(AVB)/libavb/avb_sha256.c \ 53 $(AVB)/libavb/avb_sha512.c \ 54 $(AVB)/libavb/avb_slot_verify.c \ 55 $(AVB)/libavb/avb_util.c \ 56 $(AVB)/libavb/avb_vbmeta_image.c \ 57 $(AVB)/libavb/avb_version.c \ 58 $(AVB)/libavb_ab/avb_ab_flow.c 59 60 EFI_OBJ_FILES = $(notdir $(patsubst %.S,%.o,$(patsubst %.c,%.o,$(EFI_SRC_FILES)))) 61 EFI_TARGET = avb_bootloader.efi 62 EFI_SHARED_OBJ = $(patsubst %.efi,%.so,$(EFI_TARGET)) 63 64 EFI_CFLAGS = \ 65 -DAVB_COMPILATION -std=gnu99 \ 66 -I$(ANDROID_BUILD_TOP)/system/core/mkbootimg/ \ 67 -I$(AVB) \ 68 -I$(GNUEFI) \ 69 -I$(GNUEFI)/x86_64 \ 70 -I$(GNUEFI)/protocol \ 71 -fno-stack-protector -fpic \ 72 -fshort-wchar -mno-red-zone -Wall \ 73 -DEFI_FUNCTION_WRAPPER 74 75 EFI_LDFLAGS = \ 76 -nostdlib -znocombreloc -T /usr/lib/elf_x86_64_efi.lds -shared \ 77 -Bsymbolic -L /usr/lib/ /usr/lib/crt0-efi-x86_64.o \ 78 /usr/lib/elf_x86_64_efi.lds 79 80 EFI_LDLIBS = -lefi -lgnuefi 81 82 EFI_OBJCOPY_SECTIONS = -j .text -j .sdata -j .data -j .dynamic \ 83 -j .dynsym -j .rel -j .rela -j .reloc 84 85 EFI_OBJCOPY_TARGET = --target=efi-app-x86_64 86 87 all: $(EFI_TARGET) 88 89 $(EFI_OBJ_FILES): $(EFI_SRC_FILES) 90 $(EFI_CC) $(EFI_CFLAGS) -c $(EFI_SRC_FILES) 91 92 $(EFI_SHARED_OBJ): $(EFI_OBJ_FILES) 93 $(EFI_LD) $(EFI_LDFLAGS) $(EFI_OBJ_FILES) -o $@ $(EFI_LDLIBS) 94 95 $(EFI_TARGET): $(EFI_SHARED_OBJ) 96 $(EFI_OBJCOPY) $(EFI_OBJCOPY_SECTIONS) $(EFI_OBJCOPY_TARGET) $^ $@ 97 98 clean: 99 rm -f $(EFI_OBJ_FILES) $(EFI_SHARED_OBJ) $(EFI_TARGET) *~ 100
