u-boot/arch/x86/lib/crt0_x86_64_efi.S
Simon Glass 2dcd4e9ee1 x86: Move efi .S files into the 'lib' directory
These files now need to be in a standard place so that they can be located
by generic Makefile rules. Move them to the 'lib' directory.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
2016-11-14 23:24:04 +01:00

51 lines
890 B
ArmAsm

/*
* crt0-efi-x86_64.S - x86_64 EFI startup code.
* Copyright (C) 1999 Hewlett-Packard Co.
* Contributed by David Mosberger <davidm@hpl.hp.com>.
* Copyright (C) 2005 Intel Co.
* Contributed by Fenghua Yu <fenghua.yu@intel.com>.
*
* All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause
*/
.text
.align 4
.globl _start
_start:
subq $8, %rsp
pushq %rcx
pushq %rdx
0:
lea image_base(%rip), %rdi
lea _DYNAMIC(%rip), %rsi
popq %rcx
popq %rdx
pushq %rcx
pushq %rdx
call _relocate
popq %rdi
popq %rsi
call efi_main
addq $8, %rsp
.exit:
ret
/*
* hand-craft a dummy .reloc section so EFI knows it's a relocatable
* executable:
*/
.data
dummy: .long 0
#define IMAGE_REL_ABSOLUTE 0
.section .reloc, "a"
label1:
.long dummy-label1 /* Page RVA */
.long 10 /* Block Size (2*4+2) */
.word (IMAGE_REL_ABSOLUTE << 12) + 0 /* reloc for dummy */