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Add support for 64-bit ARM (AArch64)

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This adds support for building the shim for a 64-bit ARM UEFI environment.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
This commit is contained in:
Ard Biesheuvel 2014-08-12 15:33:21 +02:00 committed by Peter Jones
parent 99d7b5e858
commit 04cba93d64
3 changed files with 78 additions and 0 deletions
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3
Cryptlib/OpenSSL/Makefile
View File

@ -12,6 +12,9 @@ ifeq ($(ARCH),ia32)
CFLAGS += -mno-mmx -mno-sse -mno-red-zone -maccumulate-outgoing-args \
-m32 -DTHIRTY_TWO_BIT
endif
ifeq ($(ARCH),aarch64)
CFLAGS += -O2 -DSIXTY_FOUR_BIT_LONG -ffreestanding -I$(shell $(CC) -print-file-name=include)
endif
LDFLAGS = -nostdlib -znocombreloc
TARGET = libopenssl.a

10
Makefile
View File

@ -37,6 +37,10 @@ ifeq ($(ARCH),ia32)
CFLAGS += -mno-mmx -mno-sse -mno-red-zone -nostdinc -maccumulate-outgoing-args -m32
endif
ifeq ($(ARCH),aarch64)
CFLAGS += -ffreestanding -I$(shell $(CC) -print-file-name=include)
endif
ifneq ($(origin VENDOR_CERT_FILE), undefined)
CFLAGS += -DVENDOR_CERT_FILE=\"$(VENDOR_CERT_FILE)\"
endif
@ -108,6 +112,12 @@ Cryptlib/OpenSSL/libopenssl.a:
lib/lib.a:
$(MAKE) -C lib
ifeq ($(ARCH),aarch64)
FORMAT := -O binary
SUBSYSTEM := 0xa
LDFLAGS += --defsym=EFI_SUBSYSTEM=$(SUBSYSTEM)
endif
FORMAT ?= --target efi-app-$(ARCH)
%.efi: %.so

65
elf_aarch64_efi.lds Normal file
View File

@ -0,0 +1,65 @@
OUTPUT_FORMAT("elf64-littleaarch64", "elf64-littleaarch64", "elf64-littleaarch64")
OUTPUT_ARCH(aarch64)
ENTRY(_start)
SECTIONS
{
.text 0x0 : {
*(.text.head)
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
*(.srodata)
*(.rodata*)
. = ALIGN(16);
_etext = .;
}
.dynamic : { *(.dynamic) }
.data :
{
*(.sdata)
*(.data)
*(.data1)
*(.data.*)
*(.got.plt)
*(.got)
/* the EFI loader doesn't seem to like a .bss section, so we stick
it all into .data: */
. = ALIGN(16);
_bss = .;
*(.sbss)
*(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(16);
_bss_end = .;
}
. = ALIGN(4096);
.vendor_cert :
{
*(.vendor_cert)
}
. = ALIGN(4096);
.rela.dyn : { *(.rela.dyn) }
.rela.plt : { *(.rela.plt) }
.rela.got : { *(.rela.got) }
.rela.data : { *(.rela.data) *(.rela.data*) }
_edata = .;
_data_size = . - _etext;
. = ALIGN(4096);
.dynsym : { *(.dynsym) }
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
/DISCARD/ :
{
*(.rel.reloc)
*(.eh_frame)
*(.note.GNU-stack)
}
.comment 0 : { *(.comment) }
}