asmmacro.h
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/*
* 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 <asm/hazards.h>
#ifdef CONFIG_32BIT
#include <asm/asmmacro-32.h>
#endif
#ifdef CONFIG_64BIT
#include <asm/asmmacro-64.h>
#endif
#ifdef CONFIG_MIPS_MT_SMTC
#include <asm/mipsmtregs.h>
#endif
#ifdef CONFIG_MIPS_MT_SMTC
.macro local_irq_enable reg=t0
mfc0 \reg, CP0_TCSTATUS
ori \reg, \reg, TCSTATUS_IXMT
xori \reg, \reg, TCSTATUS_IXMT
mtc0 \reg, CP0_TCSTATUS
_ehb
.endm
.macro local_irq_disable reg=t0
mfc0 \reg, CP0_TCSTATUS
ori \reg, \reg, TCSTATUS_IXMT
mtc0 \reg, CP0_TCSTATUS
_ehb
.endm
#else
.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
#endif /* CONFIG_MIPS_MT_SMTC */
#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
/*
* Temporary until all gas have MT ASE support
*/
.macro DMT reg=0
.word (0x41600bc1 | (\reg << 16))
.endm
.macro EMT reg=0
.word (0x41600be1 | (\reg << 16))
.endm
.macro DVPE reg=0
.word (0x41600001 | (\reg << 16))
.endm
.macro EVPE reg=0
.word (0x41600021 | (\reg << 16))
.endm
.macro MFTR rt=0, rd=0, u=0, sel=0
.word (0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel))
.endm
.macro MTTR rt=0, rd=0, u=0, sel=0
.word (0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel))
.endm
#endif /* _ASM_ASMMACRO_H */