summaryrefslogtreecommitdiff
path: root/arch/riscv/include/asm/xip_fixup.h
blob: b65bf6306f69c6f05ba40752d7933bd78382100f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * XIP fixup macros, only useful in assembly.
 */
#ifndef _ASM_RISCV_XIP_FIXUP_H
#define _ASM_RISCV_XIP_FIXUP_H

#include <linux/pgtable.h>

#ifdef CONFIG_XIP_KERNEL
.macro XIP_FIXUP_OFFSET reg
        REG_L t0, _xip_fixup
        add \reg, \reg, t0
.endm
.macro XIP_FIXUP_FLASH_OFFSET reg
	la t0, __data_loc
	REG_L t1, _xip_phys_offset
	sub \reg, \reg, t1
	add \reg, \reg, t0
.endm

_xip_fixup: .dword CONFIG_PHYS_RAM_BASE - CONFIG_XIP_PHYS_ADDR - XIP_OFFSET
_xip_phys_offset: .dword CONFIG_XIP_PHYS_ADDR + XIP_OFFSET
#else
.macro XIP_FIXUP_OFFSET reg
.endm
.macro XIP_FIXUP_FLASH_OFFSET reg
.endm
#endif /* CONFIG_XIP_KERNEL */

#endif