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| author | Greentime Hu <greentime@andestech.com> | 2017-10-24 09:19:11 +0300 |
|---|---|---|
| committer | Greentime Hu <greentime@andestech.com> | 2018-02-22 05:44:31 +0300 |
| commit | e1d82de681fd79e65f86912c7b231d88180ac8a4 (patch) | |
| tree | c5925da6341e197e205834f2b95c36733e187e0b /arch/nds32/include/asm/assembler.h | |
| parent | 2312dbf7462bdc04b4dc26aef66c8413125c77f0 (diff) | |
| download | linux-e1d82de681fd79e65f86912c7b231d88180ac8a4.tar.xz | |
nds32: Assembly macros and definitions
This patch includes assembly macros, bit field definitions used in .S
files across arch/nds32/.
Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/nds32/include/asm/assembler.h')
| -rw-r--r-- | arch/nds32/include/asm/assembler.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/assembler.h b/arch/nds32/include/asm/assembler.h new file mode 100644 index 000000000000..c3855782a541 --- /dev/null +++ b/arch/nds32/include/asm/assembler.h @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __NDS32_ASSEMBLER_H__ +#define __NDS32_ASSEMBLER_H__ + +.macro gie_disable + setgie.d + dsb +.endm + +.macro gie_enable + setgie.e + dsb +.endm + +.macro gie_save oldpsw + mfsr \oldpsw, $ir0 + setgie.d + dsb +.endm + +.macro gie_restore oldpsw + andi \oldpsw, \oldpsw, #0x1 + beqz \oldpsw, 7001f + setgie.e + dsb +7001: +.endm + + +#define USER(insn, reg, addr, opr) \ +9999: insn reg, addr, opr; \ + .section __ex_table,"a"; \ + .align 3; \ + .long 9999b, 9001f; \ + .previous + +#endif /* __NDS32_ASSEMBLER_H__ */ |