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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_ASMMACRO_H
#define _ASM_ASMMACRO_H
#include <asm/asm-offsets.h>
#include <asm/regdef.h>
#include <asm/fpregdef.h>
#include <asm/loongarch.h>
.macro parse_v var val
\var = \val
.endm
.macro parse_r var r
\var = -1
.ifc \r, $r0
\var = 0
.endif
.ifc \r, $r1
\var = 1
.endif
.ifc \r, $r2
\var = 2
.endif
.ifc \r, $r3
\var = 3
.endif
.ifc \r, $r4
\var = 4
.endif
.ifc \r, $r5
\var = 5
.endif
.ifc \r, $r6
\var = 6
.endif
.ifc \r, $r7
\var = 7
.endif
.ifc \r, $r8
\var = 8
.endif
.ifc \r, $r9
\var = 9
.endif
.ifc \r, $r10
\var = 10
.endif
.ifc \r, $r11
\var = 11
.endif
.ifc \r, $r12
\var = 12
.endif
.ifc \r, $r13
\var = 13
.endif
.ifc \r, $r14
\var = 14
.endif
.ifc \r, $r15
\var = 15
.endif
.ifc \r, $r16
\var = 16
.endif
.ifc \r, $r17
\var = 17
.endif
.ifc \r, $r18
\var = 18
.endif
.ifc \r, $r19
\var = 19
.endif
.ifc \r, $r20
\var = 20
.endif
.ifc \r, $r21
\var = 21
.endif
.ifc \r, $r22
\var = 22
.endif
.ifc \r, $r23
\var = 23
.endif
.ifc \r, $r24
\var = 24
.endif
.ifc \r, $r25
\var = 25
.endif
.ifc \r, $r26
\var = 26
.endif
.ifc \r, $r27
\var = 27
.endif
.ifc \r, $r28
\var = 28
.endif
.ifc \r, $r29
\var = 29
.endif
.ifc \r, $r30
\var = 30
.endif
.ifc \r, $r31
\var = 31
.endif
.iflt \var
.error "Unable to parse register name \r"
.endif
.endm
.macro cpu_save_nonscratch thread
stptr.d s0, \thread, THREAD_REG23
stptr.d s1, \thread, THREAD_REG24
stptr.d s2, \thread, THREAD_REG25
stptr.d s3, \thread, THREAD_REG26
stptr.d s4, \thread, THREAD_REG27
stptr.d s5, \thread, THREAD_REG28
stptr.d s6, \thread, THREAD_REG29
stptr.d s7, \thread, THREAD_REG30
stptr.d s8, \thread, THREAD_REG31
stptr.d sp, \thread, THREAD_REG03
stptr.d fp, \thread, THREAD_REG22
.endm
.macro cpu_restore_nonscratch thread
ldptr.d s0, \thread, THREAD_REG23
ldptr.d s1, \thread, THREAD_REG24
ldptr.d s2, \thread, THREAD_REG25
ldptr.d s3, \thread, THREAD_REG26
ldptr.d s4, \thread, THREAD_REG27
ldptr.d s5, \thread, THREAD_REG28
ldptr.d s6, \thread, THREAD_REG29
ldptr.d s7, \thread, THREAD_REG30
ldptr.d s8, \thread, THREAD_REG31
ldptr.d ra, \thread, THREAD_REG01
ldptr.d sp, \thread, THREAD_REG03
ldptr.d fp, \thread, THREAD_REG22
.endm
.macro fpu_save_csr thread tmp
movfcsr2gr \tmp, fcsr0
stptr.w \tmp, \thread, THREAD_FCSR
.endm
.macro fpu_restore_csr thread tmp
ldptr.w \tmp, \thread, THREAD_FCSR
movgr2fcsr fcsr0, \tmp
.endm
.macro fpu_save_cc thread tmp0 tmp1
movcf2gr \tmp0, $fcc0
move \tmp1, \tmp0
movcf2gr \tmp0, $fcc1
bstrins.d \tmp1, \tmp0, 15, 8
movcf2gr \tmp0, $fcc2
bstrins.d \tmp1, \tmp0, 23, 16
movcf2gr \tmp0, $fcc3
bstrins.d \tmp1, \tmp0, 31, 24
movcf2gr \tmp0, $fcc4
bstrins.d \tmp1, \tmp0, 39, 32
movcf2gr \tmp0, $fcc5
bstrins.d \tmp1, \tmp0, 47, 40
movcf2gr \tmp0, $fcc6
bstrins.d \tmp1, \tmp0, 55, 48
movcf2gr \tmp0, $fcc7
bstrins.d \tmp1, \tmp0, 63, 56
stptr.d \tmp1, \thread, THREAD_FCC
.endm
.macro fpu_restore_cc thread tmp0 tmp1
ldptr.d \tmp0, \thread, THREAD_FCC
bstrpick.d \tmp1, \tmp0, 7, 0
movgr2cf $fcc0, \tmp1
bstrpick.d \tmp1, \tmp0, 15, 8
movgr2cf $fcc1, \tmp1
bstrpick.d \tmp1, \tmp0, 23, 16
movgr2cf $fcc2, \tmp1
bstrpick.d \tmp1, \tmp0, 31, 24
movgr2cf $fcc3, \tmp1
bstrpick.d \tmp1, \tmp0, 39, 32
movgr2cf $fcc4, \tmp1
bstrpick.d \tmp1, \tmp0, 47, 40
movgr2cf $fcc5, \tmp1
bstrpick.d \tmp1, \tmp0, 55, 48
movgr2cf $fcc6, \tmp1
bstrpick.d \tmp1, \tmp0, 63, 56
movgr2cf $fcc7, \tmp1
.endm
.macro fpu_save_double thread tmp
li.w \tmp, THREAD_FPR0
PTR_ADD \tmp, \tmp, \thread
fst.d $f0, \tmp, THREAD_FPR0 - THREAD_FPR0
fst.d $f1, \tmp, THREAD_FPR1 - THREAD_FPR0
fst.d $f2, \tmp, THREAD_FPR2 - THREAD_FPR0
fst.d $f3, \tmp, THREAD_FPR3 - THREAD_FPR0
fst.d $f4, \tmp, THREAD_FPR4 - THREAD_FPR0
fst.d $f5, \tmp, THREAD_FPR5 - THREAD_FPR0
fst.d $f6, \tmp, THREAD_FPR6 - THREAD_FPR0
fst.d $f7, \tmp, THREAD_FPR7 - THREAD_FPR0
fst.d $f8, \tmp, THREAD_FPR8 - THREAD_FPR0
fst.d $f9, \tmp, THREAD_FPR9 - THREAD_FPR0
fst.d $f10, \tmp, THREAD_FPR10 - THREAD_FPR0
fst.d $f11, \tmp, THREAD_FPR11 - THREAD_FPR0
fst.d $f12, \tmp, THREAD_FPR12 - THREAD_FPR0
fst.d $f13, \tmp, THREAD_FPR13 - THREAD_FPR0
fst.d $f14, \tmp, THREAD_FPR14 - THREAD_FPR0
fst.d $f15, \tmp, THREAD_FPR15 - THREAD_FPR0
fst.d $f16, \tmp, THREAD_FPR16 - THREAD_FPR0
fst.d $f17, \tmp, THREAD_FPR17 - THREAD_FPR0
fst.d $f18, \tmp, THREAD_FPR18 - THREAD_FPR0
fst.d $f19, \tmp, THREAD_FPR19 - THREAD_FPR0
fst.d $f20, \tmp, THREAD_FPR20 - THREAD_FPR0
fst.d $f21, \tmp, THREAD_FPR21 - THREAD_FPR0
fst.d $f22, \tmp, THREAD_FPR22 - THREAD_FPR0
fst.d $f23, \tmp, THREAD_FPR23 - THREAD_FPR0
fst.d $f24, \tmp, THREAD_FPR24 - THREAD_FPR0
fst.d $f25, \tmp, THREAD_FPR25 - THREAD_FPR0
fst.d $f26, \tmp, THREAD_FPR26 - THREAD_FPR0
fst.d $f27, \tmp, THREAD_FPR27 - THREAD_FPR0
fst.d $f28, \tmp, THREAD_FPR28 - THREAD_FPR0
fst.d $f29, \tmp, THREAD_FPR29 - THREAD_FPR0
fst.d $f30, \tmp, THREAD_FPR30 - THREAD_FPR0
fst.d $f31, \tmp, THREAD_FPR31 - THREAD_FPR0
.endm
.macro fpu_restore_double thread tmp
li.w \tmp, THREAD_FPR0
PTR_ADD \tmp, \tmp, \thread
fld.d $f0, \tmp, THREAD_FPR0 - THREAD_FPR0
fld.d $f1, \tmp, THREAD_FPR1 - THREAD_FPR0
fld.d $f2, \tmp, THREAD_FPR2 - THREAD_FPR0
fld.d $f3, \tmp, THREAD_FPR3 - THREAD_FPR0
fld.d $f4, \tmp, THREAD_FPR4 - THREAD_FPR0
fld.d $f5, \tmp, THREAD_FPR5 - THREAD_FPR0
fld.d $f6, \tmp, THREAD_FPR6 - THREAD_FPR0
fld.d $f7, \tmp, THREAD_FPR7 - THREAD_FPR0
fld.d $f8, \tmp, THREAD_FPR8 - THREAD_FPR0
fld.d $f9, \tmp, THREAD_FPR9 - THREAD_FPR0
fld.d $f10, \tmp, THREAD_FPR10 - THREAD_FPR0
fld.d $f11, \tmp, THREAD_FPR11 - THREAD_FPR0
fld.d $f12, \tmp, THREAD_FPR12 - THREAD_FPR0
fld.d $f13, \tmp, THREAD_FPR13 - THREAD_FPR0
fld.d $f14, \tmp, THREAD_FPR14 - THREAD_FPR0
fld.d $f15, \tmp, THREAD_FPR15 - THREAD_FPR0
fld.d $f16, \tmp, THREAD_FPR16 - THREAD_FPR0
fld.d $f17, \tmp, THREAD_FPR17 - THREAD_FPR0
fld.d $f18, \tmp, THREAD_FPR18 - THREAD_FPR0
fld.d $f19, \tmp, THREAD_FPR19 - THREAD_FPR0
fld.d $f20, \tmp, THREAD_FPR20 - THREAD_FPR0
fld.d $f21, \tmp, THREAD_FPR21 - THREAD_FPR0
fld.d $f22, \tmp, THREAD_FPR22 - THREAD_FPR0
fld.d $f23, \tmp, THREAD_FPR23 - THREAD_FPR0
fld.d $f24, \tmp, THREAD_FPR24 - THREAD_FPR0
fld.d $f25, \tmp, THREAD_FPR25 - THREAD_FPR0
fld.d $f26, \tmp, THREAD_FPR26 - THREAD_FPR0
fld.d $f27, \tmp, THREAD_FPR27 - THREAD_FPR0
fld.d $f28, \tmp, THREAD_FPR28 - THREAD_FPR0
fld.d $f29, \tmp, THREAD_FPR29 - THREAD_FPR0
fld.d $f30, \tmp, THREAD_FPR30 - THREAD_FPR0
fld.d $f31, \tmp, THREAD_FPR31 - THREAD_FPR0
.endm
.macro not dst src
nor \dst, \src, zero
.endm
#endif /* _ASM_ASMMACRO_H */
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