Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0+ |
wdenk | 591dda5 | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 2 | # |
| 3 | # (C) Copyright 2000-2002 |
| 4 | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
wdenk | 591dda5 | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 5 | |
Wolfgang Denk | 33a5734 | 2011-02-04 14:25:17 +0100 | [diff] [blame] | 6 | CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 |
Mike Frysinger | 5b66044 | 2009-09-03 23:12:47 -0400 | [diff] [blame] | 7 | |
Graeme Russ | bed10fa | 2010-10-07 20:03:23 +1100 | [diff] [blame] | 8 | PLATFORM_CPPFLAGS += -fomit-frame-pointer |
Masahiro Yamada | 4fad149 | 2014-02-26 14:51:01 +0900 | [diff] [blame] | 9 | PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ |
Bin Meng | 20358f6 | 2017-07-27 06:12:34 -0700 | [diff] [blame] | 10 | $(call cc-option, -fno-unit-at-a-time)) |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 11 | |
Wolfgang Denk | 9209ed5 | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 12 | PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 13 | PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 14 | |
| 15 | ifdef CONFIG_SPL_BUILD |
| 16 | IS_32BIT := y |
| 17 | else |
| 18 | ifndef CONFIG_X86_64 |
| 19 | IS_32BIT := y |
| 20 | endif |
| 21 | endif |
| 22 | |
| 23 | ifeq ($(IS_32BIT),y) |
Vasili Galka | 37215b7 | 2014-06-10 16:14:56 +0300 | [diff] [blame] | 24 | PLATFORM_CPPFLAGS += -march=i386 -m32 |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 25 | else |
Bin Meng | f50b17c | 2018-10-13 20:52:01 -0700 | [diff] [blame] | 26 | PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -march=core2 -m64 |
Bin Meng | 58d4bc6 | 2018-10-13 20:52:02 -0700 | [diff] [blame] | 27 | PLATFORM_CPPFLAGS += -mno-mmx -mno-sse |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 28 | endif |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 29 | |
Alexander Graf | 8664297 | 2018-08-20 14:20:51 +0200 | [diff] [blame] | 30 | PLATFORM_RELFLAGS += -fdata-sections -ffunction-sections -fvisibility=hidden |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 31 | |
Tom Rini | 5d4ecf2 | 2020-03-27 11:46:27 -0400 | [diff] [blame] | 32 | KBUILD_LDFLAGS += -Bsymbolic -Bsymbolic-functions |
| 33 | KBUILD_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 34 | |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 35 | # This is used in the top-level Makefile which does not include |
Tom Rini | 5d4ecf2 | 2020-03-27 11:46:27 -0400 | [diff] [blame] | 36 | # KBUILD_LDFLAGS |
Bin Meng | 1aad48b | 2018-10-02 07:39:30 -0700 | [diff] [blame] | 37 | LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined -s |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 38 | |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 39 | OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ |
Simon Glass | 408cf26 | 2021-09-24 18:30:19 -0600 | [diff] [blame] | 40 | -j .rel -j .rela -j .reloc --strip-all |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 41 | |
Heinrich Schuchardt | eccd86f | 2021-04-11 11:21:57 +0200 | [diff] [blame] | 42 | # Compiler flags to be added when building UEFI applications |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 43 | CFLAGS_EFI := -fpic -fshort-wchar |
Heinrich Schuchardt | eccd86f | 2021-04-11 11:21:57 +0200 | [diff] [blame] | 44 | # Compiler flags to be removed when building UEFI applications |
Joel Peshkin | 369d87a | 2021-04-11 11:21:58 +0200 | [diff] [blame] | 45 | CFLAGS_NON_EFI := -mregparm=3 -fstack-protector-strong |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 46 | |
Simon Glass | ce62a25 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 47 | ifeq ($(CONFIG_EFI_STUB_64BIT),) |
| 48 | CFLAGS_EFI += $(call cc-option, -mno-red-zone) |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 49 | EFIARCH = ia32 |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 50 | EFIPAYLOAD_BFDTARGET = elf32-i386 |
Simon Glass | ce62a25 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 51 | else |
| 52 | EFIARCH = x86_64 |
| 53 | EFIPAYLOAD_BFDTARGET = elf64-x86-64 |
| 54 | endif |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 55 | |
| 56 | EFIPAYLOAD_BFDARCH = i386 |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 57 | |
Simon Glass | b776fc0 | 2016-11-07 08:47:13 -0700 | [diff] [blame] | 58 | LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds |
Simon Glass | 6f4b08a | 2016-11-07 08:47:14 -0700 | [diff] [blame] | 59 | EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 60 | OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH) |
| 61 | |
Simon Glass | ce62a25 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 62 | CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI) |
| 63 | CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) |
| 64 | |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 65 | ifeq ($(CONFIG_EFI_APP),y) |
| 66 | |
| 67 | PLATFORM_CPPFLAGS += $(CFLAGS_EFI) |
Simon Glass | 408cf26 | 2021-09-24 18:30:19 -0600 | [diff] [blame] | 68 | LDFLAGS_FINAL += -znocombreloc -shared |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 69 | LDSCRIPT := $(LDSCRIPT_EFI) |
| 70 | |
| 71 | else |
| 72 | |
Heinrich Schuchardt | eccd86f | 2021-04-11 11:21:57 +0200 | [diff] [blame] | 73 | ifeq ($(IS_32BIT),y) |
| 74 | PLATFORM_CPPFLAGS += -mregparm=3 |
| 75 | endif |
Tom Rini | 5d4ecf2 | 2020-03-27 11:46:27 -0400 | [diff] [blame] | 76 | KBUILD_LDFLAGS += --emit-relocs |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 77 | LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie) |
| 78 | |
| 79 | endif |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 80 | |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 81 | ifdef CONFIG_X86_64 |
| 82 | ifndef CONFIG_SPL_BUILD |
| 83 | PLATFORM_CPPFLAGS += -D__x86_64__ |
| 84 | else |
| 85 | PLATFORM_CPPFLAGS += -D__I386__ |
| 86 | endif |
| 87 | else |
| 88 | PLATFORM_CPPFLAGS += -D__I386__ |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 89 | endif |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 90 | |
Heinrich Schuchardt | e2425b6 | 2018-05-18 19:12:19 +0200 | [diff] [blame] | 91 | ifdef CONFIG_EFI_STUB |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 92 | |
Heinrich Schuchardt | e2425b6 | 2018-05-18 19:12:19 +0200 | [diff] [blame] | 93 | ifdef CONFIG_EFI_STUB_64BIT |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 94 | EFI_LDS := elf_x86_64_efi.lds |
| 95 | EFI_CRT0 := crt0_x86_64_efi.o |
| 96 | EFI_RELOC := reloc_x86_64_efi.o |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 97 | else |
| 98 | EFI_LDS := elf_ia32_efi.lds |
| 99 | EFI_CRT0 := crt0_ia32_efi.o |
| 100 | EFI_RELOC := reloc_ia32_efi.o |
Heinrich Schuchardt | 8218289 | 2018-04-06 15:36:31 +0200 | [diff] [blame] | 101 | endif |
| 102 | |
Heinrich Schuchardt | e2425b6 | 2018-05-18 19:12:19 +0200 | [diff] [blame] | 103 | else |
| 104 | |
Heinrich Schuchardt | 8218289 | 2018-04-06 15:36:31 +0200 | [diff] [blame] | 105 | ifdef CONFIG_X86_64 |
Heinrich Schuchardt | e2425b6 | 2018-05-18 19:12:19 +0200 | [diff] [blame] | 106 | EFI_LDS := elf_x86_64_efi.lds |
| 107 | EFI_CRT0 := crt0_x86_64_efi.o |
| 108 | EFI_RELOC := reloc_x86_64_efi.o |
Heinrich Schuchardt | 8218289 | 2018-04-06 15:36:31 +0200 | [diff] [blame] | 109 | else |
Heinrich Schuchardt | e2425b6 | 2018-05-18 19:12:19 +0200 | [diff] [blame] | 110 | EFI_LDS := elf_ia32_efi.lds |
| 111 | EFI_CRT0 := crt0_ia32_efi.o |
| 112 | EFI_RELOC := reloc_ia32_efi.o |
| 113 | endif |
| 114 | |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 115 | endif |
| 116 | |
Heinrich Schuchardt | e2425b6 | 2018-05-18 19:12:19 +0200 | [diff] [blame] | 117 | ifdef CONFIG_X86_64 |
| 118 | EFI_TARGET := --target=efi-app-x86_64 |
| 119 | else |
| 120 | EFI_TARGET := --target=efi-app-ia32 |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 121 | endif |