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| author | Pasha <pasha@member.fsf.org> | 2024-02-20 18:55:36 +0000 |
|---|---|---|
| committer | Pasha <pasha@member.fsf.org> | 2024-02-20 18:55:36 +0000 |
| commit | 6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5 (patch) | |
| tree | 9f5ccbaa6ec19ff5a42d9b3cde01f739e1d7c77d /riscv/include/asm/xip_fixup.h | |
| parent | 5e0b8d508ed51004bd836384293be00950ee62c9 (diff) | |
| download | gnumach-riscv-6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5.tar.gz gnumach-riscv-6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5.tar.bz2 | |
Diffstat (limited to 'riscv/include/asm/xip_fixup.h')
| -rw-r--r-- | riscv/include/asm/xip_fixup.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/riscv/include/asm/xip_fixup.h b/riscv/include/asm/xip_fixup.h new file mode 100644 index 0000000..f3c94cd --- /dev/null +++ b/riscv/include/asm/xip_fixup.h @@ -0,0 +1,31 @@ +/* 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 |