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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 9fd11c7a8ce8745fcfee4b86e6b9217f738d3ff4 / . / arch / x86 / config.mk
blob: d7addd872866a7e752ae2be4856157fe5bd9242c [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 += $(PF_CPPFLAGS_X86)
Graeme Russa85f53c2011-02-12 15:11:21 +1100[diff] [blame]17PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
Vasili Galkadbb72342014-06-10 16:14:56 +0300[diff] [blame]18PLATFORM_CPPFLAGS += -march=i386 -m32
Graeme Russd664adb2010-10-07 20:03:20 +1100[diff] [blame]19
Graeme Russa85f53c2011-02-12 15:11:21 +1100[diff] [blame]20PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
21
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]22PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions -m elf_i386
Graeme Russa85f53c2011-02-12 15:11:21 +1100[diff] [blame]23
Gabe Black36b24092011-11-16 23:01:37 +0000[diff] [blame]24LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
25LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]26
Simon Glass476476e2015-08-04 12:33:52 -0600[diff] [blame]27# This is used in the top-level Makefile which does not include
28# PLATFORM_LDFLAGS
29LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined
30
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]31OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
32 -j .rel -j .rela -j .reloc
33
34CFLAGS_NON_EFI := -mregparm=3
35CFLAGS_EFI := -fpic -fshort-wchar
36
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]37ifeq ($(CONFIG_EFI_STUB_64BIT),)
38CFLAGS_EFI += $(call cc-option, -mno-red-zone)
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]39EFIARCH = ia32
Simon Glass476476e2015-08-04 12:33:52 -0600[diff] [blame]40EFIPAYLOAD_BFDTARGET = elf32-i386
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]41else
42EFIARCH = x86_64
43EFIPAYLOAD_BFDTARGET = elf64-x86-64
44endif
Simon Glass476476e2015-08-04 12:33:52 -0600[diff] [blame]45
46EFIPAYLOAD_BFDARCH = i386
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]47
48LDSCRIPT_EFI := $(srctree)/$(CPUDIR)/efi/elf_$(EFIARCH)_efi.lds
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]49EFISTUB := crt0-efi-$(EFIARCH).o reloc_$(EFIARCH).o
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]50OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH)
51
Simon Glass96a8d402015-08-04 12:33:56 -0600[diff] [blame]52CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI)
53CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI)
54
Ben Stoltz3f1c0462015-08-04 12:33:42 -0600[diff] [blame]55ifeq ($(CONFIG_EFI_APP),y)
56
57PLATFORM_CPPFLAGS += $(CFLAGS_EFI)
58LDFLAGS_FINAL += -znocombreloc -shared
59LDSCRIPT := $(LDSCRIPT_EFI)
60
61else
62
63PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
64PLATFORM_LDFLAGS += --emit-relocs
65LDFLAGS_FINAL += --gc-sections -pie
66
67endif