From e1d82de681fd79e65f86912c7b231d88180ac8a4 Mon Sep 17 00:00:00 2001 From: Greentime Hu Date: Tue, 24 Oct 2017 14:19:11 +0800 Subject: 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 Signed-off-by: Greentime Hu Acked-by: Arnd Bergmann --- arch/nds32/include/asm/assembler.h | 39 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 arch/nds32/include/asm/assembler.h (limited to 'arch/nds32/include/asm/assembler.h') 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__ */ -- cgit v1.2.3