diff options
| author | Simon Glass <sjg@chromium.org> | 2015-08-04 18:33:53 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-08-05 14:44:07 (GMT) |
| commit | b997abd3f06f136b226431a2947520dd5a426869 (patch) | |
| tree | 9927d12f074f04750d61e587dd9a59bba8d1b588 | |
| parent | 476476e73b14696563524cbc2627a4c033ea64da (diff) | |
| download | u-boot-b997abd3f06f136b226431a2947520dd5a426869.tar.xz | |
x86: Support building the EFI stub
Add support for building a 32/64-bit EFI stub for x86. This involves
building the startup and relocation code for either i386 or x86_64.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | arch/x86/lib/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/lib/efi/Makefile | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 43489fd..09c236b 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -34,7 +34,7 @@ obj-$(CONFIG_SYS_X86_TSC_TIMER) += tsc_timer.o obj-$(CONFIG_CMD_ZBOOT) += zimage.o obj-$(CONFIG_HAVE_FSP) += fsp/ -extra-$(CONFIG_USE_PRIVATE_LIBGCC) := lib.a +extra-$(CONFIG_USE_PRIVATE_LIBGCC) += lib.a NORMAL_LIBGCC = $(shell $(CC) $(PLATFORM_CPPFLAGS) -print-libgcc-file-name) OBJCOPYFLAGS := --prefix-symbols=__normal_ diff --git a/arch/x86/lib/efi/Makefile b/arch/x86/lib/efi/Makefile new file mode 100644 index 0000000..bb7b95b --- /dev/null +++ b/arch/x86/lib/efi/Makefile @@ -0,0 +1,24 @@ +# +# (C) Copyright 2002-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-$(CONFIG_EFI_APP) += crt0-efi-ia32.o reloc_ia32.o + +ifneq ($(CONFIG_EFI_STUB),) + +CFLAGS_REMOVE_reloc_ia32.o += -mregparm=3 +CFLAGS_reloc_ia32.o += -fpic -fshort-wchar + +# When building for 64-bit we must remove the i386-specific flags +CFLAGS_REMOVE_reloc_x86_64.o += -mregparm=3 -march=i386 -m32 +CFLAGS_reloc_x86_64.o += -fpic -fshort-wchar + +AFLAGS_REMOVE_crt0-efi-x86_64.o += -mregparm=3 -march=i386 -m32 +AFLAGS_crt0-efi-x86_64.o += -fpic -fshort-wchar + +extra-$(CONFIG_EFI_STUB_32BIT) += crt0-efi-ia32.o reloc_ia32.o +extra-$(CONFIG_EFI_STUB_64BIT) += crt0-efi-x86_64.o reloc_x86_64.o +endif |