295 lines
6.9 KiB
C
295 lines
6.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef _ASM_ASMMACRO_H
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#define _ASM_ASMMACRO_H
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#include <asm/asm-offsets.h>
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#include <asm/regdef.h>
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#include <asm/fpregdef.h>
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#include <asm/loongarch.h>
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.macro parse_v var val
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\var = \val
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.endm
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.macro parse_r var r
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\var = -1
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.ifc \r, $r0
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\var = 0
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.endif
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.ifc \r, $r1
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\var = 1
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.endif
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.ifc \r, $r2
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\var = 2
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.endif
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.ifc \r, $r3
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\var = 3
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.endif
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.ifc \r, $r4
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\var = 4
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.endif
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.ifc \r, $r5
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\var = 5
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.endif
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.ifc \r, $r6
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\var = 6
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.endif
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.ifc \r, $r7
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\var = 7
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.endif
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.ifc \r, $r8
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\var = 8
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.endif
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.ifc \r, $r9
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\var = 9
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.endif
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.ifc \r, $r10
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\var = 10
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.endif
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.ifc \r, $r11
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\var = 11
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.endif
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.ifc \r, $r12
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\var = 12
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.endif
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.ifc \r, $r13
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\var = 13
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.endif
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.ifc \r, $r14
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\var = 14
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.endif
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.ifc \r, $r15
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\var = 15
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.endif
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.ifc \r, $r16
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\var = 16
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.endif
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.ifc \r, $r17
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\var = 17
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.endif
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.ifc \r, $r18
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\var = 18
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.endif
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.ifc \r, $r19
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\var = 19
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.endif
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.ifc \r, $r20
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\var = 20
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.endif
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.ifc \r, $r21
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\var = 21
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.endif
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.ifc \r, $r22
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\var = 22
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.endif
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.ifc \r, $r23
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\var = 23
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.endif
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.ifc \r, $r24
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\var = 24
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.endif
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.ifc \r, $r25
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\var = 25
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.endif
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.ifc \r, $r26
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\var = 26
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.endif
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.ifc \r, $r27
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\var = 27
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.endif
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.ifc \r, $r28
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\var = 28
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.endif
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.ifc \r, $r29
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\var = 29
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.endif
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.ifc \r, $r30
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\var = 30
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.endif
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.ifc \r, $r31
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\var = 31
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.endif
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.iflt \var
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.error "Unable to parse register name \r"
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.endif
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.endm
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.macro cpu_save_nonscratch thread
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stptr.d s0, \thread, THREAD_REG23
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stptr.d s1, \thread, THREAD_REG24
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stptr.d s2, \thread, THREAD_REG25
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stptr.d s3, \thread, THREAD_REG26
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stptr.d s4, \thread, THREAD_REG27
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stptr.d s5, \thread, THREAD_REG28
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stptr.d s6, \thread, THREAD_REG29
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stptr.d s7, \thread, THREAD_REG30
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stptr.d s8, \thread, THREAD_REG31
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stptr.d sp, \thread, THREAD_REG03
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stptr.d fp, \thread, THREAD_REG22
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.endm
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.macro cpu_restore_nonscratch thread
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ldptr.d s0, \thread, THREAD_REG23
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ldptr.d s1, \thread, THREAD_REG24
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ldptr.d s2, \thread, THREAD_REG25
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ldptr.d s3, \thread, THREAD_REG26
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ldptr.d s4, \thread, THREAD_REG27
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ldptr.d s5, \thread, THREAD_REG28
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ldptr.d s6, \thread, THREAD_REG29
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ldptr.d s7, \thread, THREAD_REG30
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ldptr.d s8, \thread, THREAD_REG31
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ldptr.d ra, \thread, THREAD_REG01
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ldptr.d sp, \thread, THREAD_REG03
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ldptr.d fp, \thread, THREAD_REG22
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.endm
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.macro fpu_save_csr thread tmp
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movfcsr2gr \tmp, fcsr0
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stptr.w \tmp, \thread, THREAD_FCSR
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.endm
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.macro fpu_restore_csr thread tmp
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ldptr.w \tmp, \thread, THREAD_FCSR
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movgr2fcsr fcsr0, \tmp
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.endm
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.macro fpu_save_cc thread tmp0 tmp1
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movcf2gr \tmp0, $fcc0
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move \tmp1, \tmp0
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movcf2gr \tmp0, $fcc1
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bstrins.d \tmp1, \tmp0, 15, 8
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movcf2gr \tmp0, $fcc2
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bstrins.d \tmp1, \tmp0, 23, 16
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movcf2gr \tmp0, $fcc3
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bstrins.d \tmp1, \tmp0, 31, 24
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movcf2gr \tmp0, $fcc4
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bstrins.d \tmp1, \tmp0, 39, 32
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movcf2gr \tmp0, $fcc5
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bstrins.d \tmp1, \tmp0, 47, 40
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movcf2gr \tmp0, $fcc6
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bstrins.d \tmp1, \tmp0, 55, 48
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movcf2gr \tmp0, $fcc7
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bstrins.d \tmp1, \tmp0, 63, 56
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stptr.d \tmp1, \thread, THREAD_FCC
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.endm
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.macro fpu_restore_cc thread tmp0 tmp1
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ldptr.d \tmp0, \thread, THREAD_FCC
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bstrpick.d \tmp1, \tmp0, 7, 0
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movgr2cf $fcc0, \tmp1
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bstrpick.d \tmp1, \tmp0, 15, 8
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movgr2cf $fcc1, \tmp1
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bstrpick.d \tmp1, \tmp0, 23, 16
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movgr2cf $fcc2, \tmp1
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bstrpick.d \tmp1, \tmp0, 31, 24
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movgr2cf $fcc3, \tmp1
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bstrpick.d \tmp1, \tmp0, 39, 32
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movgr2cf $fcc4, \tmp1
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bstrpick.d \tmp1, \tmp0, 47, 40
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movgr2cf $fcc5, \tmp1
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bstrpick.d \tmp1, \tmp0, 55, 48
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movgr2cf $fcc6, \tmp1
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bstrpick.d \tmp1, \tmp0, 63, 56
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movgr2cf $fcc7, \tmp1
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.endm
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.macro fpu_save_double thread tmp
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li.w \tmp, THREAD_FPR0
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PTR_ADD \tmp, \tmp, \thread
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fst.d $f0, \tmp, THREAD_FPR0 - THREAD_FPR0
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fst.d $f1, \tmp, THREAD_FPR1 - THREAD_FPR0
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fst.d $f2, \tmp, THREAD_FPR2 - THREAD_FPR0
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fst.d $f3, \tmp, THREAD_FPR3 - THREAD_FPR0
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fst.d $f4, \tmp, THREAD_FPR4 - THREAD_FPR0
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fst.d $f5, \tmp, THREAD_FPR5 - THREAD_FPR0
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fst.d $f6, \tmp, THREAD_FPR6 - THREAD_FPR0
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fst.d $f7, \tmp, THREAD_FPR7 - THREAD_FPR0
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fst.d $f8, \tmp, THREAD_FPR8 - THREAD_FPR0
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fst.d $f9, \tmp, THREAD_FPR9 - THREAD_FPR0
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fst.d $f10, \tmp, THREAD_FPR10 - THREAD_FPR0
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fst.d $f11, \tmp, THREAD_FPR11 - THREAD_FPR0
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fst.d $f12, \tmp, THREAD_FPR12 - THREAD_FPR0
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fst.d $f13, \tmp, THREAD_FPR13 - THREAD_FPR0
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fst.d $f14, \tmp, THREAD_FPR14 - THREAD_FPR0
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fst.d $f15, \tmp, THREAD_FPR15 - THREAD_FPR0
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fst.d $f16, \tmp, THREAD_FPR16 - THREAD_FPR0
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fst.d $f17, \tmp, THREAD_FPR17 - THREAD_FPR0
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fst.d $f18, \tmp, THREAD_FPR18 - THREAD_FPR0
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fst.d $f19, \tmp, THREAD_FPR19 - THREAD_FPR0
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fst.d $f20, \tmp, THREAD_FPR20 - THREAD_FPR0
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fst.d $f21, \tmp, THREAD_FPR21 - THREAD_FPR0
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fst.d $f22, \tmp, THREAD_FPR22 - THREAD_FPR0
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fst.d $f23, \tmp, THREAD_FPR23 - THREAD_FPR0
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fst.d $f24, \tmp, THREAD_FPR24 - THREAD_FPR0
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fst.d $f25, \tmp, THREAD_FPR25 - THREAD_FPR0
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fst.d $f26, \tmp, THREAD_FPR26 - THREAD_FPR0
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fst.d $f27, \tmp, THREAD_FPR27 - THREAD_FPR0
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fst.d $f28, \tmp, THREAD_FPR28 - THREAD_FPR0
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fst.d $f29, \tmp, THREAD_FPR29 - THREAD_FPR0
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fst.d $f30, \tmp, THREAD_FPR30 - THREAD_FPR0
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fst.d $f31, \tmp, THREAD_FPR31 - THREAD_FPR0
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.endm
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.macro fpu_restore_double thread tmp
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li.w \tmp, THREAD_FPR0
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PTR_ADD \tmp, \tmp, \thread
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fld.d $f0, \tmp, THREAD_FPR0 - THREAD_FPR0
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fld.d $f1, \tmp, THREAD_FPR1 - THREAD_FPR0
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fld.d $f2, \tmp, THREAD_FPR2 - THREAD_FPR0
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fld.d $f3, \tmp, THREAD_FPR3 - THREAD_FPR0
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fld.d $f4, \tmp, THREAD_FPR4 - THREAD_FPR0
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fld.d $f5, \tmp, THREAD_FPR5 - THREAD_FPR0
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fld.d $f6, \tmp, THREAD_FPR6 - THREAD_FPR0
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fld.d $f7, \tmp, THREAD_FPR7 - THREAD_FPR0
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fld.d $f8, \tmp, THREAD_FPR8 - THREAD_FPR0
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fld.d $f9, \tmp, THREAD_FPR9 - THREAD_FPR0
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fld.d $f10, \tmp, THREAD_FPR10 - THREAD_FPR0
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fld.d $f11, \tmp, THREAD_FPR11 - THREAD_FPR0
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fld.d $f12, \tmp, THREAD_FPR12 - THREAD_FPR0
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fld.d $f13, \tmp, THREAD_FPR13 - THREAD_FPR0
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fld.d $f14, \tmp, THREAD_FPR14 - THREAD_FPR0
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fld.d $f15, \tmp, THREAD_FPR15 - THREAD_FPR0
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fld.d $f16, \tmp, THREAD_FPR16 - THREAD_FPR0
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fld.d $f17, \tmp, THREAD_FPR17 - THREAD_FPR0
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fld.d $f18, \tmp, THREAD_FPR18 - THREAD_FPR0
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fld.d $f19, \tmp, THREAD_FPR19 - THREAD_FPR0
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fld.d $f20, \tmp, THREAD_FPR20 - THREAD_FPR0
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fld.d $f21, \tmp, THREAD_FPR21 - THREAD_FPR0
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fld.d $f22, \tmp, THREAD_FPR22 - THREAD_FPR0
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fld.d $f23, \tmp, THREAD_FPR23 - THREAD_FPR0
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fld.d $f24, \tmp, THREAD_FPR24 - THREAD_FPR0
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fld.d $f25, \tmp, THREAD_FPR25 - THREAD_FPR0
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fld.d $f26, \tmp, THREAD_FPR26 - THREAD_FPR0
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fld.d $f27, \tmp, THREAD_FPR27 - THREAD_FPR0
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fld.d $f28, \tmp, THREAD_FPR28 - THREAD_FPR0
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fld.d $f29, \tmp, THREAD_FPR29 - THREAD_FPR0
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fld.d $f30, \tmp, THREAD_FPR30 - THREAD_FPR0
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fld.d $f31, \tmp, THREAD_FPR31 - THREAD_FPR0
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.endm
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.macro not dst src
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nor \dst, \src, zero
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.endm
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.macro la_abs reg, sym
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#ifndef CONFIG_RELOCATABLE
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la.abs \reg, \sym
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#else
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766:
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lu12i.w \reg, 0
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ori \reg, \reg, 0
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lu32i.d \reg, 0
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lu52i.d \reg, \reg, 0
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.pushsection ".la_abs", "aw", %progbits
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768:
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.dword 768b-766b
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.dword \sym
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.popsection
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#endif
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.endm
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#endif /* _ASM_ASMMACRO_H */
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