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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 995a9f425db5613e8f257f324c7987bf24582c22 / . / arch / x86 / config.mk
blob: 74b87ceac54b646fa17bfd34b50b5cf3defb67a6 [file] [log] [blame]
wdenk2262cfe2002-11-18 00:14:45 +0000[diff] [blame]1#
2# (C) Copyright 2000-2002
3# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]5# SPDX-License-Identifier: GPL-2.0+
wdenk2262cfe2002-11-18 00:14:45 +0000[diff] [blame]6#
7
Wolfgang Denk8ae86b72011-02-04 14:25:17 +0100[diff] [blame]8CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
Mike Frysinger262ae0a2009-09-03 23:12:47 -0400[diff] [blame]9
Graeme Russ5c161652010-10-07 20:03:23 +1100[diff] [blame]10PLATFORM_CPPFLAGS += -fno-strict-aliasing
Graeme Russ5c161652010-10-07 20:03:23 +1100[diff] [blame]11PLATFORM_CPPFLAGS += -fomit-frame-pointer
Masahiro Yamadaf6941832014-02-26 14:51:01 +0900[diff] [blame]12PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000[diff] [blame]13 $(call cc-option, -fno-unit-at-a-time)) \
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000[diff] [blame]14 $(call cc-option, -mpreferred-stack-boundary=2)
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]15
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000[diff] [blame]16PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
Graeme Russa85f53c2011-02-12 15:11:21 +1100[diff] [blame]17PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]18
19ifdef CONFIG_SPL_BUILD
20IS_32BIT := y
21else
22ifndef CONFIG_X86_64
23IS_32BIT := y
24endif
25endif
26
27ifeq ($(IS_32BIT),y)
Vasili Galkadbb72342014-06-10 16:14:56 +0300[diff] [blame]28PLATFORM_CPPFLAGS += -march=i386 -m32
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]29else
30PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common
31endif
Graeme Russd664adb2010-10-07 20:03:20 +1100[diff] [blame]32
Graeme Russa85f53c2011-02-12 15:11:21 +1100[diff] [blame]33PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
34
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]35PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions
36PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
Graeme Russa85f53c2011-02-12 15:11:21 +1100[diff] [blame]37
Gabe Black36b24092011-11-16 23:01:37 +0000[diff] [blame]38LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
39LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]40
Simon Glass476476e2015-08-04 12:33:52 -0600[diff] [blame]41# This is used in the top-level Makefile which does not include
42# PLATFORM_LDFLAGS
43LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined
44
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]45OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
46 -j .rel -j .rela -j .reloc
47
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]48ifeq ($(IS_32BIT),y)
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]49CFLAGS_NON_EFI := -mregparm=3
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]50endif
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]51CFLAGS_EFI := -fpic -fshort-wchar
52
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]53ifeq ($(CONFIG_EFI_STUB_64BIT),)
54CFLAGS_EFI += $(call cc-option, -mno-red-zone)
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]55EFIARCH = ia32
Simon Glass476476e2015-08-04 12:33:52 -0600[diff] [blame]56EFIPAYLOAD_BFDTARGET = elf32-i386
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]57else
58EFIARCH = x86_64
59EFIPAYLOAD_BFDTARGET = elf64-x86-64
60endif
Simon Glass476476e2015-08-04 12:33:52 -0600[diff] [blame]61
62EFIPAYLOAD_BFDARCH = i386
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]63
Simon Glassd36badf2016-11-07 08:47:13 -0700[diff] [blame]64LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds
Simon Glass2dcd4e92016-11-07 08:47:14 -0700[diff] [blame]65EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]66OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH)
67
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]68CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI)
69CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI)
70
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]71ifeq ($(CONFIG_EFI_APP),y)
72
73PLATFORM_CPPFLAGS += $(CFLAGS_EFI)
74LDFLAGS_FINAL += -znocombreloc -shared
75LDSCRIPT := $(LDSCRIPT_EFI)
76
77else
78
79PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
80PLATFORM_LDFLAGS += --emit-relocs
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]81LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie)
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]82
83endif
Simon Glass5bd828b2016-11-07 08:47:15 -0700[diff] [blame]84
Simon Glass3a037032017-01-16 07:04:26 -0700[diff] [blame]85ifdef CONFIG_X86_64
86ifndef CONFIG_SPL_BUILD
87PLATFORM_CPPFLAGS += -D__x86_64__
88else
89PLATFORM_CPPFLAGS += -D__I386__
90endif
91else
92PLATFORM_CPPFLAGS += -D__I386__
93endif
94
Alexander Graf95b62b22016-11-17 22:40:10 +0100[diff] [blame]95ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
Simon Glass5bd828b2016-11-07 08:47:15 -0700[diff] [blame]96
97ifneq ($(CONFIG_EFI_STUB_64BIT),)
98EFI_LDS := elf_x86_64_efi.lds
99EFI_CRT0 := crt0_x86_64_efi.o
100EFI_RELOC := reloc_x86_64_efi.o
101EFI_TARGET := --target=efi-app-ia32
102else
103EFI_LDS := elf_ia32_efi.lds
104EFI_CRT0 := crt0_ia32_efi.o
105EFI_RELOC := reloc_ia32_efi.o
106EFI_TARGET := --target=efi-app-x86_64
107endif
108
109endif