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
)) \
14 $(call cc-option
, -mpreferred-stack-boundary
=2)
16 PLATFORM_CPPFLAGS
+= $(PF_CPPFLAGS_X86
)
17 PLATFORM_CPPFLAGS
+= -fno-dwarf2-cfi-asm
18 PLATFORM_CPPFLAGS
+= -march
=i386
-m32
20 PLATFORM_RELFLAGS
+= -ffunction-sections
-fvisibility
=hidden
22 PLATFORM_LDFLAGS
+= -Bsymbolic
-Bsymbolic-functions
-m elf_i386
24 LDFLAGS_FINAL
+= --wrap
=__divdi3
--wrap
=__udivdi3
25 LDFLAGS_FINAL
+= --wrap
=__moddi3
--wrap
=__umoddi3
27 # This is used in the top-level Makefile which does not include
29 LDFLAGS_EFI_PAYLOAD
:= -Bsymbolic
-Bsymbolic-functions
-shared
--no-undefined
31 OBJCOPYFLAGS_EFI
:= -j .text
-j .sdata
-j .data
-j .dynamic
-j .dynsym \
32 -j .rel
-j .rela
-j .reloc
34 CFLAGS_NON_EFI
:= -mregparm
=3
35 CFLAGS_EFI
:= -fpic
-fshort-wchar
37 ifeq ($(CONFIG_EFI_STUB_64BIT
),)
38 CFLAGS_EFI
+= $(call cc-option
, -mno-red-zone
)
40 EFIPAYLOAD_BFDTARGET
= elf32-i386
43 EFIPAYLOAD_BFDTARGET
= elf64-x86-64
46 EFIPAYLOAD_BFDARCH
= i386
48 LDSCRIPT_EFI
:= $(srctree
)/arch
/x86
/lib
/elf_
$(EFIARCH
)_efi.lds
49 EFISTUB
:= crt0_
$(EFIARCH
)_efi.o reloc_
$(EFIARCH
)_efi.o
50 OBJCOPYFLAGS_EFI
+= --target
=efi-app-
$(EFIARCH
)
52 CPPFLAGS_REMOVE_crt0-efi-
$(EFIARCH
).o
+= $(CFLAGS_NON_EFI
)
53 CPPFLAGS_crt0-efi-
$(EFIARCH
).o
+= $(CFLAGS_EFI
)
55 ifeq ($(CONFIG_EFI_APP
),y
)
57 PLATFORM_CPPFLAGS
+= $(CFLAGS_EFI
)
58 LDFLAGS_FINAL
+= -znocombreloc
-shared
59 LDSCRIPT
:= $(LDSCRIPT_EFI
)
63 PLATFORM_CPPFLAGS
+= $(CFLAGS_NON_EFI
)
64 PLATFORM_LDFLAGS
+= --emit-relocs
65 LDFLAGS_FINAL
+= --gc-sections
-pie
69 ifneq ($(CONFIG_EFI_STUB
)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE
),)
71 ifneq ($(CONFIG_EFI_STUB_64BIT
),)
72 EFI_LDS
:= elf_x86_64_efi.lds
73 EFI_CRT0
:= crt0_x86_64_efi.o
74 EFI_RELOC
:= reloc_x86_64_efi.o
75 EFI_TARGET
:= --target
=efi-app-ia32
77 EFI_LDS
:= elf_ia32_efi.lds
78 EFI_CRT0
:= crt0_ia32_efi.o
79 EFI_RELOC
:= reloc_ia32_efi.o
80 EFI_TARGET
:= --target
=efi-app-x86_64