1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5 #ifndef _ASM_ASMMACRO_H 6 #define _ASM_ASMMACRO_H 7 8 #include <asm/asm-offsets.h> 9 #include <asm/regdef.h> 10 #include <asm/fpregdef.h> 11 #include <asm/loongarch.h> 12 13 .macro parse_v var val 14 \var = \val 15 .endm 16 17 .macro parse_r var r 18 \var = -1 19 .ifc \r, $r0 20 \var = 0 21 .endif 22 .ifc \r, $r1 23 \var = 1 24 .endif 25 .ifc \r, $r2 26 \var = 2 27 .endif 28 .ifc \r, $r3 29 \var = 3 30 .endif 31 .ifc \r, $r4 32 \var = 4 33 .endif 34 .ifc \r, $r5 35 \var = 5 36 .endif 37 .ifc \r, $r6 38 \var = 6 39 .endif 40 .ifc \r, $r7 41 \var = 7 42 .endif 43 .ifc \r, $r8 44 \var = 8 45 .endif 46 .ifc \r, $r9 47 \var = 9 48 .endif 49 .ifc \r, $r10 50 \var = 10 51 .endif 52 .ifc \r, $r11 53 \var = 11 54 .endif 55 .ifc \r, $r12 56 \var = 12 57 .endif 58 .ifc \r, $r13 59 \var = 13 60 .endif 61 .ifc \r, $r14 62 \var = 14 63 .endif 64 .ifc \r, $r15 65 \var = 15 66 .endif 67 .ifc \r, $r16 68 \var = 16 69 .endif 70 .ifc \r, $r17 71 \var = 17 72 .endif 73 .ifc \r, $r18 74 \var = 18 75 .endif 76 .ifc \r, $r19 77 \var = 19 78 .endif 79 .ifc \r, $r20 80 \var = 20 81 .endif 82 .ifc \r, $r21 83 \var = 21 84 .endif 85 .ifc \r, $r22 86 \var = 22 87 .endif 88 .ifc \r, $r23 89 \var = 23 90 .endif 91 .ifc \r, $r24 92 \var = 24 93 .endif 94 .ifc \r, $r25 95 \var = 25 96 .endif 97 .ifc \r, $r26 98 \var = 26 99 .endif 100 .ifc \r, $r27 101 \var = 27 102 .endif 103 .ifc \r, $r28 104 \var = 28 105 .endif 106 .ifc \r, $r29 107 \var = 29 108 .endif 109 .ifc \r, $r30 110 \var = 30 111 .endif 112 .ifc \r, $r31 113 \var = 31 114 .endif 115 .iflt \var 116 .error "Unable to parse register name \r" 117 .endif 118 .endm 119 120 .macro cpu_save_nonscratch thread 121 stptr.d s0, \thread, THREAD_REG23 122 stptr.d s1, \thread, THREAD_REG24 123 stptr.d s2, \thread, THREAD_REG25 124 stptr.d s3, \thread, THREAD_REG26 125 stptr.d s4, \thread, THREAD_REG27 126 stptr.d s5, \thread, THREAD_REG28 127 stptr.d s6, \thread, THREAD_REG29 128 stptr.d s7, \thread, THREAD_REG30 129 stptr.d s8, \thread, THREAD_REG31 130 stptr.d sp, \thread, THREAD_REG03 131 stptr.d fp, \thread, THREAD_REG22 132 .endm 133 134 .macro cpu_restore_nonscratch thread 135 ldptr.d s0, \thread, THREAD_REG23 136 ldptr.d s1, \thread, THREAD_REG24 137 ldptr.d s2, \thread, THREAD_REG25 138 ldptr.d s3, \thread, THREAD_REG26 139 ldptr.d s4, \thread, THREAD_REG27 140 ldptr.d s5, \thread, THREAD_REG28 141 ldptr.d s6, \thread, THREAD_REG29 142 ldptr.d s7, \thread, THREAD_REG30 143 ldptr.d s8, \thread, THREAD_REG31 144 ldptr.d ra, \thread, THREAD_REG01 145 ldptr.d sp, \thread, THREAD_REG03 146 ldptr.d fp, \thread, THREAD_REG22 147 .endm 148 149 .macro fpu_save_csr thread tmp 150 movfcsr2gr \tmp, fcsr0 151 stptr.w \tmp, \thread, THREAD_FCSR 152 .endm 153 154 .macro fpu_restore_csr thread tmp 155 ldptr.w \tmp, \thread, THREAD_FCSR 156 movgr2fcsr fcsr0, \tmp 157 .endm 158 159 .macro fpu_save_cc thread tmp0 tmp1 160 movcf2gr \tmp0, $fcc0 161 move \tmp1, \tmp0 162 movcf2gr \tmp0, $fcc1 163 bstrins.d \tmp1, \tmp0, 15, 8 164 movcf2gr \tmp0, $fcc2 165 bstrins.d \tmp1, \tmp0, 23, 16 166 movcf2gr \tmp0, $fcc3 167 bstrins.d \tmp1, \tmp0, 31, 24 168 movcf2gr \tmp0, $fcc4 169 bstrins.d \tmp1, \tmp0, 39, 32 170 movcf2gr \tmp0, $fcc5 171 bstrins.d \tmp1, \tmp0, 47, 40 172 movcf2gr \tmp0, $fcc6 173 bstrins.d \tmp1, \tmp0, 55, 48 174 movcf2gr \tmp0, $fcc7 175 bstrins.d \tmp1, \tmp0, 63, 56 176 stptr.d \tmp1, \thread, THREAD_FCC 177 .endm 178 179 .macro fpu_restore_cc thread tmp0 tmp1 180 ldptr.d \tmp0, \thread, THREAD_FCC 181 bstrpick.d \tmp1, \tmp0, 7, 0 182 movgr2cf $fcc0, \tmp1 183 bstrpick.d \tmp1, \tmp0, 15, 8 184 movgr2cf $fcc1, \tmp1 185 bstrpick.d \tmp1, \tmp0, 23, 16 186 movgr2cf $fcc2, \tmp1 187 bstrpick.d \tmp1, \tmp0, 31, 24 188 movgr2cf $fcc3, \tmp1 189 bstrpick.d \tmp1, \tmp0, 39, 32 190 movgr2cf $fcc4, \tmp1 191 bstrpick.d \tmp1, \tmp0, 47, 40 192 movgr2cf $fcc5, \tmp1 193 bstrpick.d \tmp1, \tmp0, 55, 48 194 movgr2cf $fcc6, \tmp1 195 bstrpick.d \tmp1, \tmp0, 63, 56 196 movgr2cf $fcc7, \tmp1 197 .endm 198 199 .macro fpu_save_double thread tmp 200 li.w \tmp, THREAD_FPR0 201 PTR_ADD \tmp, \tmp, \thread 202 fst.d $f0, \tmp, THREAD_FPR0 - THREAD_FPR0 203 fst.d $f1, \tmp, THREAD_FPR1 - THREAD_FPR0 204 fst.d $f2, \tmp, THREAD_FPR2 - THREAD_FPR0 205 fst.d $f3, \tmp, THREAD_FPR3 - THREAD_FPR0 206 fst.d $f4, \tmp, THREAD_FPR4 - THREAD_FPR0 207 fst.d $f5, \tmp, THREAD_FPR5 - THREAD_FPR0 208 fst.d $f6, \tmp, THREAD_FPR6 - THREAD_FPR0 209 fst.d $f7, \tmp, THREAD_FPR7 - THREAD_FPR0 210 fst.d $f8, \tmp, THREAD_FPR8 - THREAD_FPR0 211 fst.d $f9, \tmp, THREAD_FPR9 - THREAD_FPR0 212 fst.d $f10, \tmp, THREAD_FPR10 - THREAD_FPR0 213 fst.d $f11, \tmp, THREAD_FPR11 - THREAD_FPR0 214 fst.d $f12, \tmp, THREAD_FPR12 - THREAD_FPR0 215 fst.d $f13, \tmp, THREAD_FPR13 - THREAD_FPR0 216 fst.d $f14, \tmp, THREAD_FPR14 - THREAD_FPR0 217 fst.d $f15, \tmp, THREAD_FPR15 - THREAD_FPR0 218 fst.d $f16, \tmp, THREAD_FPR16 - THREAD_FPR0 219 fst.d $f17, \tmp, THREAD_FPR17 - THREAD_FPR0 220 fst.d $f18, \tmp, THREAD_FPR18 - THREAD_FPR0 221 fst.d $f19, \tmp, THREAD_FPR19 - THREAD_FPR0 222 fst.d $f20, \tmp, THREAD_FPR20 - THREAD_FPR0 223 fst.d $f21, \tmp, THREAD_FPR21 - THREAD_FPR0 224 fst.d $f22, \tmp, THREAD_FPR22 - THREAD_FPR0 225 fst.d $f23, \tmp, THREAD_FPR23 - THREAD_FPR0 226 fst.d $f24, \tmp, THREAD_FPR24 - THREAD_FPR0 227 fst.d $f25, \tmp, THREAD_FPR25 - THREAD_FPR0 228 fst.d $f26, \tmp, THREAD_FPR26 - THREAD_FPR0 229 fst.d $f27, \tmp, THREAD_FPR27 - THREAD_FPR0 230 fst.d $f28, \tmp, THREAD_FPR28 - THREAD_FPR0 231 fst.d $f29, \tmp, THREAD_FPR29 - THREAD_FPR0 232 fst.d $f30, \tmp, THREAD_FPR30 - THREAD_FPR0 233 fst.d $f31, \tmp, THREAD_FPR31 - THREAD_FPR0 234 .endm 235 236 .macro fpu_restore_double thread tmp 237 li.w \tmp, THREAD_FPR0 238 PTR_ADD \tmp, \tmp, \thread 239 fld.d $f0, \tmp, THREAD_FPR0 - THREAD_FPR0 240 fld.d $f1, \tmp, THREAD_FPR1 - THREAD_FPR0 241 fld.d $f2, \tmp, THREAD_FPR2 - THREAD_FPR0 242 fld.d $f3, \tmp, THREAD_FPR3 - THREAD_FPR0 243 fld.d $f4, \tmp, THREAD_FPR4 - THREAD_FPR0 244 fld.d $f5, \tmp, THREAD_FPR5 - THREAD_FPR0 245 fld.d $f6, \tmp, THREAD_FPR6 - THREAD_FPR0 246 fld.d $f7, \tmp, THREAD_FPR7 - THREAD_FPR0 247 fld.d $f8, \tmp, THREAD_FPR8 - THREAD_FPR0 248 fld.d $f9, \tmp, THREAD_FPR9 - THREAD_FPR0 249 fld.d $f10, \tmp, THREAD_FPR10 - THREAD_FPR0 250 fld.d $f11, \tmp, THREAD_FPR11 - THREAD_FPR0 251 fld.d $f12, \tmp, THREAD_FPR12 - THREAD_FPR0 252 fld.d $f13, \tmp, THREAD_FPR13 - THREAD_FPR0 253 fld.d $f14, \tmp, THREAD_FPR14 - THREAD_FPR0 254 fld.d $f15, \tmp, THREAD_FPR15 - THREAD_FPR0 255 fld.d $f16, \tmp, THREAD_FPR16 - THREAD_FPR0 256 fld.d $f17, \tmp, THREAD_FPR17 - THREAD_FPR0 257 fld.d $f18, \tmp, THREAD_FPR18 - THREAD_FPR0 258 fld.d $f19, \tmp, THREAD_FPR19 - THREAD_FPR0 259 fld.d $f20, \tmp, THREAD_FPR20 - THREAD_FPR0 260 fld.d $f21, \tmp, THREAD_FPR21 - THREAD_FPR0 261 fld.d $f22, \tmp, THREAD_FPR22 - THREAD_FPR0 262 fld.d $f23, \tmp, THREAD_FPR23 - THREAD_FPR0 263 fld.d $f24, \tmp, THREAD_FPR24 - THREAD_FPR0 264 fld.d $f25, \tmp, THREAD_FPR25 - THREAD_FPR0 265 fld.d $f26, \tmp, THREAD_FPR26 - THREAD_FPR0 266 fld.d $f27, \tmp, THREAD_FPR27 - THREAD_FPR0 267 fld.d $f28, \tmp, THREAD_FPR28 - THREAD_FPR0 268 fld.d $f29, \tmp, THREAD_FPR29 - THREAD_FPR0 269 fld.d $f30, \tmp, THREAD_FPR30 - THREAD_FPR0 270 fld.d $f31, \tmp, THREAD_FPR31 - THREAD_FPR0 271 .endm 272 273 .macro not dst src 274 nor \dst, \src, zero 275 .endm 276 277 #endif /* _ASM_ASMMACRO_H */ 278