Files
opensbi/firmware/fw_jump.S
Anup Patel cfa3fba14f firmware: Rename fw_common.S to fw_base.S
The fw_common.S is the base firmware extendend by fw_jump and
fw_payload. This patch renames fw_common.S to fw_base.S to
have more clear/intutive name for base firmware.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
2018-12-27 09:30:12 +05:30

49 lines
845 B
ArmAsm

/*
* Copyright (c) 2018 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "fw_base.S"
.align 3
.section .entry, "ax", %progbits
.global fw_prev_arg1
fw_prev_arg1:
/* We return previous arg1 in 'a0' */
add a0, zero, zero
ret
.align 3
.section .entry, "ax", %progbits
.global fw_next_arg1
fw_next_arg1:
/* We return next arg1 in 'a0' */
#ifdef FW_JUMP_FDT_ADDR
li a0, FW_JUMP_FDT_ADDR
#else
add a0, zero, zero
#endif
ret
.align 3
.section .entry, "ax", %progbits
.global fw_next_addr
fw_next_addr:
/* We return next address in 'a0' */
la a0, _jump_addr
REG_L a0, (a0)
ret
#ifndef FW_JUMP_ADDR
#error "Must define FW_JUMP_ADDR"
#endif
.align 3
.section .entry, "ax", %progbits
_jump_addr:
RISCV_PTR FW_JUMP_ADDR