wdenk | 2262cfe | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 1 | # |
| 2 | # (C) Copyright 2000-2002 |
| 3 | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | # |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | # SPDX-License-Identifier: GPL-2.0+ |
wdenk | 2262cfe | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 6 | # |
| 7 | |
Wolfgang Denk | 8ae86b7 | 2011-02-04 14:25:17 +0100 | [diff] [blame] | 8 | CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 |
Mike Frysinger | 262ae0a | 2009-09-03 23:12:47 -0400 | [diff] [blame] | 9 | |
Graeme Russ | 5c16165 | 2010-10-07 20:03:23 +1100 | [diff] [blame] | 10 | PLATFORM_CPPFLAGS += -fno-strict-aliasing |
Graeme Russ | 5c16165 | 2010-10-07 20:03:23 +1100 | [diff] [blame] | 11 | PLATFORM_CPPFLAGS += -fomit-frame-pointer |
Masahiro Yamada | f694183 | 2014-02-26 14:51:01 +0900 | [diff] [blame] | 12 | PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ |
Bin Meng | 9a95f51 | 2017-07-27 06:12:34 -0700 | [diff] [blame] | 13 | $(call cc-option, -fno-unit-at-a-time)) |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 14 | |
Wolfgang Denk | cca4e4a | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 15 | PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) |
Graeme Russ | a85f53c | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 16 | PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 17 | |
| 18 | ifdef CONFIG_SPL_BUILD |
| 19 | IS_32BIT := y |
| 20 | else |
| 21 | ifndef CONFIG_X86_64 |
| 22 | IS_32BIT := y |
| 23 | endif |
| 24 | endif |
| 25 | |
| 26 | ifeq ($(IS_32BIT),y) |
Vasili Galka | dbb7234 | 2014-06-10 16:14:56 +0300 | [diff] [blame] | 27 | PLATFORM_CPPFLAGS += -march=i386 -m32 |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 28 | else |
Bin Meng | e719b6b | 2017-07-27 06:12:35 -0700 | [diff] [blame] | 29 | PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -m64 |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 30 | endif |
Graeme Russ | d664adb | 2010-10-07 20:03:20 +1100 | [diff] [blame] | 31 | |
Graeme Russ | a85f53c | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 32 | PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden |
| 33 | |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 34 | PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions |
| 35 | PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) |
Graeme Russ | a85f53c | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 36 | |
Simon Glass | 476476e | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 37 | # This is used in the top-level Makefile which does not include |
| 38 | # PLATFORM_LDFLAGS |
| 39 | LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined |
| 40 | |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 41 | OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ |
| 42 | -j .rel -j .rela -j .reloc |
| 43 | |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 44 | ifeq ($(IS_32BIT),y) |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 45 | CFLAGS_NON_EFI := -mregparm=3 |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 46 | endif |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 47 | CFLAGS_EFI := -fpic -fshort-wchar |
| 48 | |
Simon Glass | 96a8d40 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 49 | ifeq ($(CONFIG_EFI_STUB_64BIT),) |
| 50 | CFLAGS_EFI += $(call cc-option, -mno-red-zone) |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 51 | EFIARCH = ia32 |
Simon Glass | 476476e | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 52 | EFIPAYLOAD_BFDTARGET = elf32-i386 |
Simon Glass | 96a8d40 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 53 | else |
| 54 | EFIARCH = x86_64 |
| 55 | EFIPAYLOAD_BFDTARGET = elf64-x86-64 |
| 56 | endif |
Simon Glass | 476476e | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 57 | |
| 58 | EFIPAYLOAD_BFDARCH = i386 |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 59 | |
Simon Glass | d36badf | 2016-11-07 08:47:13 -0700 | [diff] [blame] | 60 | LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds |
Simon Glass | 2dcd4e9 | 2016-11-07 08:47:14 -0700 | [diff] [blame] | 61 | EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 62 | OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH) |
| 63 | |
Simon Glass | 96a8d40 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 64 | CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI) |
| 65 | CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) |
| 66 | |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 67 | ifeq ($(CONFIG_EFI_APP),y) |
| 68 | |
| 69 | PLATFORM_CPPFLAGS += $(CFLAGS_EFI) |
| 70 | LDFLAGS_FINAL += -znocombreloc -shared |
| 71 | LDSCRIPT := $(LDSCRIPT_EFI) |
| 72 | |
| 73 | else |
| 74 | |
| 75 | PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI) |
| 76 | PLATFORM_LDFLAGS += --emit-relocs |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 77 | LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie) |
Ben Stoltz | 3f1c046 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 78 | |
| 79 | endif |
Simon Glass | 5bd828b | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 80 | |
Simon Glass | 3a03703 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 81 | ifdef CONFIG_X86_64 |
| 82 | ifndef CONFIG_SPL_BUILD |
| 83 | PLATFORM_CPPFLAGS += -D__x86_64__ |
| 84 | else |
| 85 | PLATFORM_CPPFLAGS += -D__I386__ |
| 86 | endif |
| 87 | else |
| 88 | PLATFORM_CPPFLAGS += -D__I386__ |
| 89 | endif |
| 90 | |
Alexander Graf | 95b62b2 | 2016-11-17 22:40:10 +0100 | [diff] [blame] | 91 | ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),) |
Simon Glass | 5bd828b | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 92 | |
| 93 | ifneq ($(CONFIG_EFI_STUB_64BIT),) |
| 94 | EFI_LDS := elf_x86_64_efi.lds |
| 95 | EFI_CRT0 := crt0_x86_64_efi.o |
| 96 | EFI_RELOC := reloc_x86_64_efi.o |
| 97 | EFI_TARGET := --target=efi-app-ia32 |
| 98 | else |
| 99 | EFI_LDS := elf_ia32_efi.lds |
| 100 | EFI_CRT0 := crt0_ia32_efi.o |
| 101 | EFI_RELOC := reloc_ia32_efi.o |
| 102 | EFI_TARGET := --target=efi-app-x86_64 |
| 103 | endif |
| 104 | |
| 105 | endif |