wdenk | 591dda5 | 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 | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | # SPDX-License-Identifier: GPL-2.0+ |
wdenk | 591dda5 | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 6 | # |
| 7 | |
Wolfgang Denk | 33a5734 | 2011-02-04 14:25:17 +0100 | [diff] [blame] | 8 | CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 |
Mike Frysinger | 5b66044 | 2009-09-03 23:12:47 -0400 | [diff] [blame] | 9 | |
Graeme Russ | bed10fa | 2010-10-07 20:03:23 +1100 | [diff] [blame] | 10 | PLATFORM_CPPFLAGS += -fno-strict-aliasing |
Graeme Russ | bed10fa | 2010-10-07 20:03:23 +1100 | [diff] [blame] | 11 | PLATFORM_CPPFLAGS += -fomit-frame-pointer |
Masahiro Yamada | 4fad149 | 2014-02-26 14:51:01 +0900 | [diff] [blame] | 12 | PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ |
Wolfgang Denk | 9209ed5 | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 13 | $(call cc-option, -fno-unit-at-a-time)) \ |
Wolfgang Denk | 9209ed5 | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 14 | $(call cc-option, -mpreferred-stack-boundary=2) |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 15 | |
Wolfgang Denk | 9209ed5 | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 16 | PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 17 | PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 18 | |
| 19 | ifdef CONFIG_SPL_BUILD |
| 20 | IS_32BIT := y |
| 21 | else |
| 22 | ifndef CONFIG_X86_64 |
| 23 | IS_32BIT := y |
| 24 | endif |
| 25 | endif |
| 26 | |
| 27 | ifeq ($(IS_32BIT),y) |
Vasili Galka | 37215b7 | 2014-06-10 16:14:56 +0300 | [diff] [blame] | 28 | PLATFORM_CPPFLAGS += -march=i386 -m32 |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 29 | else |
| 30 | PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common |
| 31 | endif |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 32 | |
| 33 | PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden |
| 34 | |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 35 | PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions |
| 36 | PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) |
Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 37 | |
Gabe Black | 1662cf1 | 2011-11-16 23:01:37 +0000 | [diff] [blame] | 38 | LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3 |
| 39 | LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3 |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 40 | |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 41 | # This is used in the top-level Makefile which does not include |
| 42 | # PLATFORM_LDFLAGS |
| 43 | LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined |
| 44 | |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 45 | OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ |
| 46 | -j .rel -j .rela -j .reloc |
| 47 | |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 48 | ifeq ($(IS_32BIT),y) |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 49 | CFLAGS_NON_EFI := -mregparm=3 |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 50 | endif |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 51 | CFLAGS_EFI := -fpic -fshort-wchar |
| 52 | |
Simon Glass | ce62a25 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 53 | ifeq ($(CONFIG_EFI_STUB_64BIT),) |
| 54 | CFLAGS_EFI += $(call cc-option, -mno-red-zone) |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 55 | EFIARCH = ia32 |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 56 | EFIPAYLOAD_BFDTARGET = elf32-i386 |
Simon Glass | ce62a25 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 57 | else |
| 58 | EFIARCH = x86_64 |
| 59 | EFIPAYLOAD_BFDTARGET = elf64-x86-64 |
| 60 | endif |
Simon Glass | 63f581f | 2015-08-04 12:33:52 -0600 | [diff] [blame] | 61 | |
| 62 | EFIPAYLOAD_BFDARCH = i386 |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 63 | |
Simon Glass | b776fc0 | 2016-11-07 08:47:13 -0700 | [diff] [blame] | 64 | LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds |
Simon Glass | 6f4b08a | 2016-11-07 08:47:14 -0700 | [diff] [blame] | 65 | EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 66 | OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH) |
| 67 | |
Simon Glass | ce62a25 | 2015-08-04 12:33:56 -0600 | [diff] [blame] | 68 | CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI) |
| 69 | CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) |
| 70 | |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 71 | ifeq ($(CONFIG_EFI_APP),y) |
| 72 | |
| 73 | PLATFORM_CPPFLAGS += $(CFLAGS_EFI) |
| 74 | LDFLAGS_FINAL += -znocombreloc -shared |
| 75 | LDSCRIPT := $(LDSCRIPT_EFI) |
| 76 | |
| 77 | else |
| 78 | |
| 79 | PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI) |
| 80 | PLATFORM_LDFLAGS += --emit-relocs |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 81 | LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie) |
| 82 | |
| 83 | endif |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 84 | |
Simon Glass | 5aa5875 | 2017-01-16 07:04:26 -0700 | [diff] [blame] | 85 | ifdef CONFIG_X86_64 |
| 86 | ifndef CONFIG_SPL_BUILD |
| 87 | PLATFORM_CPPFLAGS += -D__x86_64__ |
| 88 | else |
| 89 | PLATFORM_CPPFLAGS += -D__I386__ |
| 90 | endif |
| 91 | else |
| 92 | PLATFORM_CPPFLAGS += -D__I386__ |
Ben Stoltz | c24aae5 | 2015-08-04 12:33:42 -0600 | [diff] [blame] | 93 | endif |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 94 | |
Alexander Graf | b548351 | 2016-11-17 22:40:10 +0100 | [diff] [blame] | 95 | ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),) |
Simon Glass | 105c936 | 2016-11-07 08:47:15 -0700 | [diff] [blame] | 96 | |
| 97 | ifneq ($(CONFIG_EFI_STUB_64BIT),) |
| 98 | EFI_LDS := elf_x86_64_efi.lds |
| 99 | EFI_CRT0 := crt0_x86_64_efi.o |
| 100 | EFI_RELOC := reloc_x86_64_efi.o |
| 101 | EFI_TARGET := --target=efi-app-ia32 |
| 102 | else |
| 103 | EFI_LDS := elf_ia32_efi.lds |
| 104 | EFI_CRT0 := crt0_ia32_efi.o |
| 105 | EFI_RELOC := reloc_ia32_efi.o |
| 106 | EFI_TARGET := --target=efi-app-x86_64 |
| 107 | endif |
| 108 | |
| 109 | endif |