2 # (C) Copyright 2000-2002
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
8 CONFIG_STANDALONE_LOAD_ADDR ?
= 0x40000
10 PLATFORM_CPPFLAGS
+= -fno-strict-aliasing
11 PLATFORM_CPPFLAGS
+= -fomit-frame-pointer
12 PF_CPPFLAGS_X86
:= $(call cc-option
, -fno-toplevel-reorder
, \
13 $(call cc-option
, -fno-unit-at-a-time
))
15 PLATFORM_CPPFLAGS
+= $(PF_CPPFLAGS_X86
)
16 PLATFORM_CPPFLAGS
+= -fno-dwarf2-cfi-asm
18 ifdef CONFIG_SPL_BUILD
27 PLATFORM_CPPFLAGS
+= -march
=i386
-m32
29 PLATFORM_CPPFLAGS
+= $(if
$(CONFIG_SPL_BUILD
),,-fpic
) -fno-common
-m64
32 PLATFORM_RELFLAGS
+= -ffunction-sections
-fvisibility
=hidden
34 PLATFORM_LDFLAGS
+= -Bsymbolic
-Bsymbolic-functions
35 PLATFORM_LDFLAGS
+= -m
$(if
$(IS_32BIT
),elf_i386
,elf_x86_64
)
37 LDFLAGS_FINAL
+= --wrap
=__divdi3
--wrap
=__udivdi3
38 LDFLAGS_FINAL
+= --wrap
=__moddi3
--wrap
=__umoddi3
40 # This is used in the top-level Makefile which does not include
42 LDFLAGS_EFI_PAYLOAD
:= -Bsymbolic
-Bsymbolic-functions
-shared
--no-undefined
44 OBJCOPYFLAGS_EFI
:= -j .text
-j .sdata
-j .data
-j .dynamic
-j .dynsym \
45 -j .rel
-j .rela
-j .reloc
48 CFLAGS_NON_EFI
:= -mregparm
=3
50 CFLAGS_EFI
:= -fpic
-fshort-wchar
52 ifeq ($(CONFIG_EFI_STUB_64BIT
),)
53 CFLAGS_EFI
+= $(call cc-option
, -mno-red-zone
)
55 EFIPAYLOAD_BFDTARGET
= elf32-i386
58 EFIPAYLOAD_BFDTARGET
= elf64-x86-64
61 EFIPAYLOAD_BFDARCH
= i386
63 LDSCRIPT_EFI
:= $(srctree
)/arch
/x86
/lib
/elf_
$(EFIARCH
)_efi.lds
64 EFISTUB
:= crt0_
$(EFIARCH
)_efi.o reloc_
$(EFIARCH
)_efi.o
65 OBJCOPYFLAGS_EFI
+= --target
=efi-app-
$(EFIARCH
)
67 CPPFLAGS_REMOVE_crt0-efi-
$(EFIARCH
).o
+= $(CFLAGS_NON_EFI
)
68 CPPFLAGS_crt0-efi-
$(EFIARCH
).o
+= $(CFLAGS_EFI
)
70 ifeq ($(CONFIG_EFI_APP
),y
)
72 PLATFORM_CPPFLAGS
+= $(CFLAGS_EFI
)
73 LDFLAGS_FINAL
+= -znocombreloc
-shared
74 LDSCRIPT
:= $(LDSCRIPT_EFI
)
78 PLATFORM_CPPFLAGS
+= $(CFLAGS_NON_EFI
)
79 PLATFORM_LDFLAGS
+= --emit-relocs
80 LDFLAGS_FINAL
+= --gc-sections
$(if
$(CONFIG_SPL_BUILD
),,-pie
)
85 ifndef CONFIG_SPL_BUILD
86 PLATFORM_CPPFLAGS
+= -D__x86_64__
88 PLATFORM_CPPFLAGS
+= -D__I386__
91 PLATFORM_CPPFLAGS
+= -D__I386__
94 ifneq ($(CONFIG_EFI_STUB
)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE
),)
96 ifneq ($(CONFIG_EFI_STUB_64BIT
),)
97 EFI_LDS
:= elf_x86_64_efi.lds
98 EFI_CRT0
:= crt0_x86_64_efi.o
99 EFI_RELOC
:= reloc_x86_64_efi.o
100 EFI_TARGET
:= --target
=efi-app-ia32
102 EFI_LDS
:= elf_ia32_efi.lds
103 EFI_CRT0
:= crt0_ia32_efi.o
104 EFI_RELOC
:= reloc_ia32_efi.o
105 EFI_TARGET
:= --target
=efi-app-x86_64