diff options
Diffstat (limited to 'arch/arm/cpu/head_64.S')
| -rw-r--r-- | arch/arm/cpu/head_64.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/cpu/head_64.S b/arch/arm/cpu/head_64.S new file mode 100644 index 0000000000..546efc263a --- /dev/null +++ b/arch/arm/cpu/head_64.S @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#include <linux/linkage.h> +#include <asm/barebox-arm64.h> +#include <asm/image.h> + +/* Linker will point these at board-specific symbols */ +.globl __pbl_board_stack_top +.globl __pbl_board_entry + +.section .text_head_prologue_common, "x" +ENTRY(__barebox_arm64_head) + nop + adr x9, __pbl_board_stack_top + ldr x9, [x9] + cbz x9, 1f + mov sp, x9 +1: +#ifdef CONFIG_PBL_BREAK + brk #17 + nop +#else + nop + nop +#endif + b __pbl_board_entry + .org 0x20 + .asciz "barebox" + .word 0xffffffff + .word _barebox_image_size /* image size to copy */ + .rept 8 + .word 0x55555555 + .endr +ENDPROC(__barebox_arm64_head) |