mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-06 02:24:14 +08:00
42a3b4f25a
Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
52 lines
912 B
C
52 lines
912 B
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2003 Ralf Baechle
|
|
*/
|
|
#ifndef _ASM_ASMMACRO_H
|
|
#define _ASM_ASMMACRO_H
|
|
|
|
#include <linux/config.h>
|
|
#include <asm/hazards.h>
|
|
|
|
#ifdef CONFIG_32BIT
|
|
#include <asm/asmmacro-32.h>
|
|
#endif
|
|
#ifdef CONFIG_64BIT
|
|
#include <asm/asmmacro-64.h>
|
|
#endif
|
|
|
|
.macro local_irq_enable reg=t0
|
|
mfc0 \reg, CP0_STATUS
|
|
ori \reg, \reg, 1
|
|
mtc0 \reg, CP0_STATUS
|
|
irq_enable_hazard
|
|
.endm
|
|
|
|
.macro local_irq_disable reg=t0
|
|
mfc0 \reg, CP0_STATUS
|
|
ori \reg, \reg, 1
|
|
xori \reg, \reg, 1
|
|
mtc0 \reg, CP0_STATUS
|
|
irq_disable_hazard
|
|
.endm
|
|
|
|
#ifdef CONFIG_CPU_SB1
|
|
.macro fpu_enable_hazard
|
|
.set push
|
|
.set noreorder
|
|
.set mips2
|
|
SSNOP
|
|
bnezl $0, .+4
|
|
SSNOP
|
|
.set pop
|
|
.endm
|
|
#else
|
|
.macro fpu_enable_hazard
|
|
.endm
|
|
#endif
|
|
|
|
#endif /* _ASM_ASMMACRO_H */
|