- 根目录:
- arch
- mips
- include
- asm
- asmmacro.h
/*
* 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>
#include <asm/asm-offsets.h>
#include <asm/msa.h>
#ifdef CONFIG_32BIT
#include <asm/asmmacro-32.h>
#endif
#ifdef CONFIG_64BIT
#include <asm/asmmacro-64.h>
#endif
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
.macro local_irq_enable reg=t0
ei
irq_enable_hazard
.endm
.macro local_irq_disable reg=t0
di
irq_disable_hazard
.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
#ifdef CONFIG_PREEMPT
lw \reg, TI_PRE_COUNT($28)
addi \reg, \reg, 1
sw \reg, TI_PRE_COUNT($28)
#endif
mfc0 \reg, CP0_STATUS
ori \reg, \reg, 1
xori \reg, \reg, 1
mtc0 \reg, CP0_STATUS
irq_disable_hazard
#ifdef CONFIG_PREEMPT
lw \reg, TI_PRE_COUNT($28)
addi \reg, \reg, -1
sw \reg, TI_PRE_COUNT($28)
#endif
.endm
#endif /* CONFIG_CPU_MIPSR2 */
.macro fpu_save_16even thread tmp=t0
.set push
SET_HARDFLOAT
cfc1 \tmp, fcr31
sdc1 $f0, THREAD_FPR0(\thread)
sdc1 $f2, THREAD_FPR2(\thread)
sdc1 $f4, THREAD_FPR4(\thread)
sdc1 $f6, THREAD_FPR6(\thread)
sdc1 $f8, THREAD_FPR8(\thread)
sdc1 $f10, THREAD_FPR10(\thread)
sdc1 $f12, THREAD_FPR12(\thread)
sdc1 $f14, THREAD_FPR14(\thread)
sdc1 $f16, THREAD_FPR16(\thread)
sdc1 $f18, THREAD_FPR18(\thread)
sdc1 $f20, THREAD_FPR20(\thread)
sdc1 $f22, THREAD_FPR22(\thread)
sdc1 $f24, THREAD_FPR24(\thread)
sdc1 $f26, THREAD_FPR26(\thread)
sdc1 $f28, THREAD_FPR28(\thread)
sdc1 $f30, THREAD_FPR30(\thread)
sw \tmp, THREAD_FCR31(\thread)
.set pop
.endm
.macro fpu_save_16odd thread
.set push
.set mips64r2
SET_HARDFLOAT
sdc1 $f1, THREAD_FPR1(\thread)
sdc1 $f3, THREAD_FPR3(\thread)
sdc1 $f5, THREAD_FPR5(\thread)
sdc1 $f7, THREAD_FPR7(\thread)
sdc1 $f9, THREAD_FPR9(\thread)
sdc1 $f11, THREAD_FPR11(\thread)
sdc1 $f13, THREAD_FPR13(\thread)
sdc1 $f15, THREAD_FPR15(\thread)
sdc1 $f17, THREAD_FPR17(\thread)
sdc1 $f19, THREAD_FPR19(\thread)
sdc1 $f21, THREAD_FPR21(\thread)
sdc1 $f23, THREAD_FPR23(\thread)
sdc1 $f25, THREAD_FPR25(\thread)
sdc1 $f27, THREAD_FPR27(\thread)
sdc1 $f29, THREAD_FPR29(\thread)
sdc1 $f31, THREAD_FPR31(\thread)
.set pop
.endm
.macro fpu_save_double thread status tmp
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \
defined(CONFIG_CPU_MIPS32_R6)
sll \tmp, \status, 5
bgez \tmp, 10f
fpu_save_16odd \thread
10:
#endif
fpu_save_16even \thread \tmp
.endm
.macro fpu_restore_16even thread tmp=t0
.set push
SET_HARDFLOAT
lw \tmp, THREAD_FCR31(\thread)
ldc1 $f0, THREAD_FPR0(\thread)
ldc1 $f2, THREAD_FPR2(\thread)
ldc1 $f4, THREAD_FPR4(\thread)
ldc1 $f6, THREAD_FPR6(\thread)
ldc1 $f8, THREAD_FPR8(\thread)
ldc1 $f10, THREAD_FPR10(\thread)
ldc1 $f12, THREAD_FPR12(\thread)
ldc1 $f14, THREAD_FPR14(\thread)
ldc1 $f16, THREAD_FPR16(\thread)
ldc1 $f18, THREAD_FPR18(\thread)
ldc1 $f20, THREAD_FPR20(\thread)
ldc1 $f22, THREAD_FPR22(\thread)
ldc1 $f24, THREAD_FPR24(\thread)
ldc1 $f26, THREAD_FPR26(\thread)
ldc1 $f28, THREAD_FPR28(\thread)
ldc1 $f30, THREAD_FPR30(\thread)
ctc1 \tmp, fcr31
.endm
.macro fpu_restore_16odd thread
.set push
.set mips64r2
SET_HARDFLOAT
ldc1 $f1, THREAD_FPR1(\thread)
ldc1 $f3, THREAD_FPR3(\thread)
ldc1 $f5, THREAD_FPR5(\thread)
ldc1 $f7, THREAD_FPR7(\thread)
ldc1 $f9, THREAD_FPR9(\thread)
ldc1 $f11, THREAD_FPR11(\thread)
ldc1 $f13, THREAD_FPR13(\thread)
ldc1 $f15, THREAD_FPR15(\thread)
ldc1 $f17, THREAD_FPR17(\thread)
ldc1 $f19, THREAD_FPR19(\thread)
ldc1 $f21, THREAD_FPR21(\thread)
ldc1 $f23, THREAD_FPR23(\thread)
ldc1 $f25, THREAD_FPR25(\thread)
ldc1 $f27, THREAD_FPR27(\thread)
ldc1 $f29, THREAD_FPR29(\thread)
ldc1 $f31, THREAD_FPR31(\thread)
.set pop
.endm
.macro fpu_restore_double thread status tmp
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) || \
defined(CONFIG_CPU_MIPS32_R6)
sll \tmp, \status, 5
bgez \tmp, 10f # 16 register mode?
fpu_restore_16odd \thread
10:
#endif
fpu_restore_16even \thread \tmp
.endm
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
.macro _EXT rd, rs, p, s
ext \rd, \rs, \p, \s
.endm
#else /* !CONFIG_CPU_MIPSR2 || !CONFIG_CPU_MIPSR6 */
.macro _EXT rd, rs, p, s
srl \rd, \rs, \p
andi \rd, \rd, (1 << \s) - 1
.endm
#endif /* !CONFIG_CPU_MIPSR2 || !CONFIG_CPU_MIPSR6 */
/*
* 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
#ifdef TOOLCHAIN_SUPPORTS_MSA
/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */
#undef fp
.macro _cfcmsa rd, cs
.set push
.set mips32r2
.set fp=64
.set msa
cfcmsa \rd, $\cs
.set pop
.endm
.macro _ctcmsa cd, rs
.set push
.set mips32r2
.set fp=64
.set msa
ctcmsa $\cd, \rs
.set pop
.endm
.macro ld_b wd, off, base
.set push
.set mips32r2
.set msa
ld.b $w\wd, \off(\base)
.set pop
.endm
.macro ld_h wd, off, base
.set push
.set mips32r2
.set msa
ld.h $w\wd, \off(\base)
.set pop
.endm
.macro ld_w wd, off, base
.set push
.set mips32r2
.set msa
ld.w $w\wd, \off(\base)
.set pop
.endm
.macro ld_d wd, off, base
.set push
.set mips32r2
.set fp=64
.set msa
ld.d $w\wd, \off(\base)
.set pop
.endm
.macro st_b wd, off, base
.set push
.set mips32r2
.set msa
st.b $w\wd, \off(\base)
.set pop
.endm
.macro st_h wd, off, base
.set push
.set mips32r2
.set msa
st.h $w\wd, \off(\base)
.set pop
.endm
.macro st_w wd, off, base
.set push
.set mips32r2
.set msa
st.w $w\wd, \off(\base)
.set pop
.endm
.macro st_d wd, off, base
.set push
.set mips32r2
.set fp=64
.set msa
st.d $w\wd, \off(\base)
.set pop
.endm
.macro copy_u_w ws, n
.set push
.set mips32r2
.set fp=64
.set msa
copy_u.w $1, $w\ws[\n]
.set pop
.endm
.macro copy_u_d ws, n
.set push
.set mips64r2
.set fp=64
.set msa
copy_u.d $1, $w\ws[\n]
.set pop
.endm
.macro insert_w wd, n
.set push
.set mips32r2
.set fp=64
.set msa
insert.w $w\wd[\n], $1
.set pop
.endm
.macro insert_d wd, n
.set push
.set mips64r2
.set fp=64
.set msa
insert.d $w\wd[\n], $1
.set pop
.endm
#else
#ifdef CONFIG_CPU_MICROMIPS
#define CFC_MSA_INSN 0x587e0056
#define CTC_MSA_INSN 0x583e0816
#define LDB_MSA_INSN 0x58000807
#define LDH_MSA_INSN 0x58000817
#define LDW_MSA_INSN 0x58000827
#define LDD_MSA_INSN 0x58000837
#define STB_MSA_INSN 0x5800080f
#define STH_MSA_INSN 0x5800081f
#define STW_MSA_INSN 0x5800082f
#define STD_MSA_INSN 0x5800083f
#define COPY_UW_MSA_INSN 0x58f00056
#define COPY_UD_MSA_INSN 0x58f80056
#define INSERT_W_MSA_INSN 0x59300816
#define INSERT_D_MSA_INSN 0x59380816
#else
#define CFC_MSA_INSN 0x787e0059
#define CTC_MSA_INSN 0x783e0819
#define LDB_MSA_INSN 0x78000820
#define LDH_MSA_INSN 0x78000821
#define LDW_MSA_INSN 0x78000822
#define LDD_MSA_INSN 0x78000823
#define STB_MSA_INSN 0x78000824
#define STH_MSA_INSN 0x78000825
#define STW_MSA_INSN 0x78000826
#define STD_MSA_INSN 0x78000827
#define COPY_UW_MSA_INSN 0x78f00059
#define COPY_UD_MSA_INSN 0x78f80059
#define INSERT_W_MSA_INSN 0x79300819
#define INSERT_D_MSA_INSN 0x79380819
#endif
/*
* Temporary until all toolchains in use include MSA support.
*/
.macro _cfcmsa rd, cs
.set push
.set noat
SET_HARDFLOAT
.insn
.word CFC_MSA_INSN | (\cs << 11)
move \rd, $1
.set pop
.endm
.macro _ctcmsa cd, rs
.set push
.set noat
SET_HARDFLOAT
move $1, \rs
.word CTC_MSA_INSN | (\cd << 6)
.set pop
.endm
.macro ld_b wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word LDB_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro ld_h wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word LDH_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro ld_w wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word LDW_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro ld_d wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word LDD_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro st_b wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word STB_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro st_h wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word STH_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro st_w wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word STW_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro st_d wd, off, base
.set push
.set noat
SET_HARDFLOAT
addu $1, \base, \off
.word STD_MSA_INSN | (\wd << 6)
.set pop
.endm
.macro copy_u_w ws, n
.set push
.set noat
SET_HARDFLOAT
.insn
.word COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11)
.set pop
.endm
.macro copy_u_d ws, n
.set push
.set noat
SET_HARDFLOAT
.insn
.word COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11)
.set pop
.endm
.macro insert_w wd, n
.set push
.set noat
SET_HARDFLOAT
.word INSERT_W_MSA_INSN | (\n << 16) | (\wd << 6)
.set pop
.endm
.macro insert_d wd, n
.set push
.set noat
SET_HARDFLOAT
.word INSERT_D_MSA_INSN | (\n << 16) | (\wd << 6)
.set pop
.endm
#endif
.macro msa_save_all thread
st_d 0, THREAD_FPR0, \thread
st_d 1, THREAD_FPR1, \thread
st_d 2, THREAD_FPR2, \thread
st_d 3, THREAD_FPR3, \thread
st_d 4, THREAD_FPR4, \thread
st_d 5, THREAD_FPR5, \thread
st_d 6, THREAD_FPR6, \thread
st_d 7, THREAD_FPR7, \thread
st_d 8, THREAD_FPR8, \thread
st_d 9, THREAD_FPR9, \thread
st_d 10, THREAD_FPR10, \thread
st_d 11, THREAD_FPR11, \thread
st_d 12, THREAD_FPR12, \thread
st_d 13, THREAD_FPR13, \thread
st_d 14, THREAD_FPR14, \thread
st_d 15, THREAD_FPR15, \thread
st_d 16, THREAD_FPR16, \thread
st_d 17, THREAD_FPR17, \thread
st_d 18, THREAD_FPR18, \thread
st_d 19, THREAD_FPR19, \thread
st_d 20, THREAD_FPR20, \thread
st_d 21, THREAD_FPR21, \thread
st_d 22, THREAD_FPR22, \thread
st_d 23, THREAD_FPR23, \thread
st_d 24, THREAD_FPR24, \thread
st_d 25, THREAD_FPR25, \thread
st_d 26, THREAD_FPR26, \thread
st_d 27, THREAD_FPR27, \thread
st_d 28, THREAD_FPR28, \thread
st_d 29, THREAD_FPR29, \thread
st_d 30, THREAD_FPR30, \thread
st_d 31, THREAD_FPR31, \thread
.set push
.set noat
SET_HARDFLOAT
_cfcmsa $1, MSA_CSR
sw $1, THREAD_MSA_CSR(\thread)
.set pop
.endm
.macro msa_restore_all thread
.set push
.set noat
SET_HARDFLOAT
lw $1, THREAD_MSA_CSR(\thread)
_ctcmsa MSA_CSR, $1
.set pop
ld_d 0, THREAD_FPR0, \thread
ld_d 1, THREAD_FPR1, \thread
ld_d 2, THREAD_FPR2, \thread
ld_d 3, THREAD_FPR3, \thread
ld_d 4, THREAD_FPR4, \thread
ld_d 5, THREAD_FPR5, \thread
ld_d 6, THREAD_FPR6, \thread
ld_d 7, THREAD_FPR7, \thread
ld_d 8, THREAD_FPR8, \thread
ld_d 9, THREAD_FPR9, \thread
ld_d 10, THREAD_FPR10, \thread
ld_d 11, THREAD_FPR11, \thread
ld_d 12, THREAD_FPR12, \thread
ld_d 13, THREAD_FPR13, \thread
ld_d 14, THREAD_FPR14, \thread
ld_d 15, THREAD_FPR15, \thread
ld_d 16, THREAD_FPR16, \thread
ld_d 17, THREAD_FPR17, \thread
ld_d 18, THREAD_FPR18, \thread
ld_d 19, THREAD_FPR19, \thread
ld_d 20, THREAD_FPR20, \thread
ld_d 21, THREAD_FPR21, \thread
ld_d 22, THREAD_FPR22, \thread
ld_d 23, THREAD_FPR23, \thread
ld_d 24, THREAD_FPR24, \thread
ld_d 25, THREAD_FPR25, \thread
ld_d 26, THREAD_FPR26, \thread
ld_d 27, THREAD_FPR27, \thread
ld_d 28, THREAD_FPR28, \thread
ld_d 29, THREAD_FPR29, \thread
ld_d 30, THREAD_FPR30, \thread
ld_d 31, THREAD_FPR31, \thread
.endm
.macro msa_init_upper wd
#ifdef CONFIG_64BIT
insert_d \wd, 1
#else
insert_w \wd, 2
insert_w \wd, 3
#endif
.endm
.macro msa_init_all_upper
.set push
.set noat
SET_HARDFLOAT
not $1, zero
msa_init_upper 0
msa_init_upper 1
msa_init_upper 2
msa_init_upper 3
msa_init_upper 4
msa_init_upper 5
msa_init_upper 6
msa_init_upper 7
msa_init_upper 8
msa_init_upper 9
msa_init_upper 10
msa_init_upper 11
msa_init_upper 12
msa_init_upper 13
msa_init_upper 14
msa_init_upper 15
msa_init_upper 16
msa_init_upper 17
msa_init_upper 18
msa_init_upper 19
msa_init_upper 20
msa_init_upper 21
msa_init_upper 22
msa_init_upper 23
msa_init_upper 24
msa_init_upper 25
msa_init_upper 26
msa_init_upper 27
msa_init_upper 28
msa_init_upper 29
msa_init_upper 30
msa_init_upper 31
.set pop
.endm
#endif /* _ASM_ASMMACRO_H */