| /* 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 |
| |
| .macro bgt r0 r1 label |
| blt \r1, \r0, \label |
| .endm |
| |
| .macro bltz r0 label |
| blt \r0, zero, \label |
| .endm |
| |
| .macro bgez r0 label |
| bge \r0, zero, \label |
| .endm |
| |
| #endif /* _ASM_ASMMACRO_H */ |
