1 /* libs/pixelflinger/codeflinger/ARMAssemblerInterface.h 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 19 #ifndef ANDROID_ARMASSEMBLER_INTERFACE_H 20 #define ANDROID_ARMASSEMBLER_INTERFACE_H 21 22 #include <stdint.h> 23 #include <sys/types.h> 24 25 namespace android { 26 27 // ---------------------------------------------------------------------------- 28 29 class ARMAssemblerInterface 30 { 31 public: 32 virtual ~ARMAssemblerInterface(); 33 34 enum { 35 EQ, NE, CS, CC, MI, PL, VS, VC, HI, LS, GE, LT, GT, LE, AL, NV, 36 HS = CS, 37 LO = CC 38 }; 39 enum { 40 S = 1 41 }; 42 enum { 43 LSL, LSR, ASR, ROR 44 }; 45 enum { 46 ED, FD, EA, FA, 47 IB, IA, DB, DA 48 }; 49 enum { 50 R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, 51 SP = R13, 52 LR = R14, 53 PC = R15 54 }; 55 enum { 56 #define LIST(rr) L##rr=1<<rr 57 LIST(R0), LIST(R1), LIST(R2), LIST(R3), LIST(R4), LIST(R5), LIST(R6), 58 LIST(R7), LIST(R8), LIST(R9), LIST(R10), LIST(R11), LIST(R12), 59 LIST(R13), LIST(R14), LIST(R15), 60 LIST(SP), LIST(LR), LIST(PC), 61 #undef LIST 62 LSAVED = LR4|LR5|LR6|LR7|LR8|LR9|LR10|LR11 | LLR 63 }; 64 65 enum { 66 CODEGEN_ARCH_ARM = 1, CODEGEN_ARCH_MIPS, CODEGEN_ARCH_ARM64, CODEGEN_ARCH_MIPS64 67 }; 68 69 // ----------------------------------------------------------------------- 70 // shifters and addressing modes 71 // ----------------------------------------------------------------------- 72 73 // these static versions are used for initializers on LDxx/STxx below 74 static uint32_t __immed12_pre(int32_t immed12, int W=0); 75 static uint32_t __immed8_pre(int32_t immed12, int W=0); 76 77 virtual bool isValidImmediate(uint32_t immed) = 0; 78 virtual int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm) = 0; 79 80 virtual uint32_t imm(uint32_t immediate) = 0; 81 virtual uint32_t reg_imm(int Rm, int type, uint32_t shift) = 0; 82 virtual uint32_t reg_rrx(int Rm) = 0; 83 virtual uint32_t reg_reg(int Rm, int type, int Rs) = 0; 84 85 // addressing modes... 86 // LDR(B)/STR(B)/PLD 87 // (immediate and Rm can be negative, which indicates U=0) 88 virtual uint32_t immed12_pre(int32_t immed12, int W=0) = 0; 89 virtual uint32_t immed12_post(int32_t immed12) = 0; 90 virtual uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0) = 0; 91 virtual uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0) = 0; 92 93 // LDRH/LDRSB/LDRSH/STRH 94 // (immediate and Rm can be negative, which indicates U=0) 95 virtual uint32_t immed8_pre(int32_t immed8, int W=0) = 0; 96 virtual uint32_t immed8_post(int32_t immed8) = 0; 97 virtual uint32_t reg_pre(int Rm, int W=0) = 0; 98 virtual uint32_t reg_post(int Rm) = 0; 99 100 // ----------------------------------------------------------------------- 101 // basic instructions & code generation 102 // ----------------------------------------------------------------------- 103 104 // generate the code 105 virtual void reset() = 0; 106 virtual int generate(const char* name) = 0; 107 virtual void disassemble(const char* name) = 0; 108 virtual int getCodegenArch() = 0; 109 110 // construct prolog and epilog 111 virtual void prolog() = 0; 112 virtual void epilog(uint32_t touched) = 0; 113 virtual void comment(const char* string) = 0; 114 115 // data processing... 116 enum { 117 opAND, opEOR, opSUB, opRSB, opADD, opADC, opSBC, opRSC, 118 opTST, opTEQ, opCMP, opCMN, opORR, opMOV, opBIC, opMVN, 119 opADD64, opSUB64 120 }; 121 122 virtual void 123 dataProcessing( int opcode, int cc, int s, 124 int Rd, int Rn, 125 uint32_t Op2) = 0; 126 127 // multiply... 128 virtual void MLA(int cc, int s, 129 int Rd, int Rm, int Rs, int Rn) = 0; 130 virtual void MUL(int cc, int s, 131 int Rd, int Rm, int Rs) = 0; 132 virtual void UMULL(int cc, int s, 133 int RdLo, int RdHi, int Rm, int Rs) = 0; 134 virtual void UMUAL(int cc, int s, 135 int RdLo, int RdHi, int Rm, int Rs) = 0; 136 virtual void SMULL(int cc, int s, 137 int RdLo, int RdHi, int Rm, int Rs) = 0; 138 virtual void SMUAL(int cc, int s, 139 int RdLo, int RdHi, int Rm, int Rs) = 0; 140 141 // branches... 142 virtual void B(int cc, uint32_t* pc) = 0; 143 virtual void BL(int cc, uint32_t* pc) = 0; 144 virtual void BX(int cc, int Rn) = 0; 145 146 virtual void label(const char* theLabel) = 0; 147 virtual void B(int cc, const char* label) = 0; 148 virtual void BL(int cc, const char* label) = 0; 149 150 // valid only after generate() has been called 151 virtual uint32_t* pcForLabel(const char* label) = 0; 152 153 // data transfer... 154 virtual void LDR (int cc, int Rd, 155 int Rn, uint32_t offset = __immed12_pre(0)) = 0; 156 virtual void LDRB(int cc, int Rd, 157 int Rn, uint32_t offset = __immed12_pre(0)) = 0; 158 virtual void STR (int cc, int Rd, 159 int Rn, uint32_t offset = __immed12_pre(0)) = 0; 160 virtual void STRB(int cc, int Rd, 161 int Rn, uint32_t offset = __immed12_pre(0)) = 0; 162 163 virtual void LDRH (int cc, int Rd, 164 int Rn, uint32_t offset = __immed8_pre(0)) = 0; 165 virtual void LDRSB(int cc, int Rd, 166 int Rn, uint32_t offset = __immed8_pre(0)) = 0; 167 virtual void LDRSH(int cc, int Rd, 168 int Rn, uint32_t offset = __immed8_pre(0)) = 0; 169 virtual void STRH (int cc, int Rd, 170 int Rn, uint32_t offset = __immed8_pre(0)) = 0; 171 172 // block data transfer... 173 virtual void LDM(int cc, int dir, 174 int Rn, int W, uint32_t reg_list) = 0; 175 virtual void STM(int cc, int dir, 176 int Rn, int W, uint32_t reg_list) = 0; 177 178 // special... 179 virtual void SWP(int cc, int Rn, int Rd, int Rm) = 0; 180 virtual void SWPB(int cc, int Rn, int Rd, int Rm) = 0; 181 virtual void SWI(int cc, uint32_t comment) = 0; 182 183 // DSP instructions... 184 enum { 185 // B=0, T=1 186 // yx 187 xyBB = 0, // 0000, 188 xyTB = 2, // 0010, 189 xyBT = 4, // 0100, 190 xyTT = 6, // 0110, 191 yB = 0, // 0000, 192 yT = 4, // 0100 193 }; 194 195 virtual void PLD(int Rn, uint32_t offset) = 0; 196 197 virtual void CLZ(int cc, int Rd, int Rm) = 0; 198 199 virtual void QADD(int cc, int Rd, int Rm, int Rn) = 0; 200 virtual void QDADD(int cc, int Rd, int Rm, int Rn) = 0; 201 virtual void QSUB(int cc, int Rd, int Rm, int Rn) = 0; 202 virtual void QDSUB(int cc, int Rd, int Rm, int Rn) = 0; 203 204 virtual void SMUL(int cc, int xy, 205 int Rd, int Rm, int Rs) = 0; 206 virtual void SMULW(int cc, int y, 207 int Rd, int Rm, int Rs) = 0; 208 virtual void SMLA(int cc, int xy, 209 int Rd, int Rm, int Rs, int Rn) = 0; 210 virtual void SMLAL(int cc, int xy, 211 int RdHi, int RdLo, int Rs, int Rm) = 0; 212 virtual void SMLAW(int cc, int y, 213 int Rd, int Rm, int Rs, int Rn) = 0; 214 215 // byte/half word extract... 216 virtual void UXTB16(int cc, int Rd, int Rm, int rotate) = 0; 217 218 // bit manipulation... 219 virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width) = 0; 220 221 // ----------------------------------------------------------------------- 222 // convenience... 223 // ----------------------------------------------------------------------- 224 inline void 225 ADC(int cc, int s, int Rd, int Rn, uint32_t Op2) { 226 dataProcessing(opADC, cc, s, Rd, Rn, Op2); 227 } 228 inline void 229 ADD(int cc, int s, int Rd, int Rn, uint32_t Op2) { 230 dataProcessing(opADD, cc, s, Rd, Rn, Op2); 231 } 232 inline void 233 AND(int cc, int s, int Rd, int Rn, uint32_t Op2) { 234 dataProcessing(opAND, cc, s, Rd, Rn, Op2); 235 } 236 inline void 237 BIC(int cc, int s, int Rd, int Rn, uint32_t Op2) { 238 dataProcessing(opBIC, cc, s, Rd, Rn, Op2); 239 } 240 inline void 241 EOR(int cc, int s, int Rd, int Rn, uint32_t Op2) { 242 dataProcessing(opEOR, cc, s, Rd, Rn, Op2); 243 } 244 inline void 245 MOV(int cc, int s, int Rd, uint32_t Op2) { 246 dataProcessing(opMOV, cc, s, Rd, 0, Op2); 247 } 248 inline void 249 MVN(int cc, int s, int Rd, uint32_t Op2) { 250 dataProcessing(opMVN, cc, s, Rd, 0, Op2); 251 } 252 inline void 253 ORR(int cc, int s, int Rd, int Rn, uint32_t Op2) { 254 dataProcessing(opORR, cc, s, Rd, Rn, Op2); 255 } 256 inline void 257 RSB(int cc, int s, int Rd, int Rn, uint32_t Op2) { 258 dataProcessing(opRSB, cc, s, Rd, Rn, Op2); 259 } 260 inline void 261 RSC(int cc, int s, int Rd, int Rn, uint32_t Op2) { 262 dataProcessing(opRSC, cc, s, Rd, Rn, Op2); 263 } 264 inline void 265 SBC(int cc, int s, int Rd, int Rn, uint32_t Op2) { 266 dataProcessing(opSBC, cc, s, Rd, Rn, Op2); 267 } 268 inline void 269 SUB(int cc, int s, int Rd, int Rn, uint32_t Op2) { 270 dataProcessing(opSUB, cc, s, Rd, Rn, Op2); 271 } 272 inline void 273 TEQ(int cc, int Rn, uint32_t Op2) { 274 dataProcessing(opTEQ, cc, 1, 0, Rn, Op2); 275 } 276 inline void 277 TST(int cc, int Rn, uint32_t Op2) { 278 dataProcessing(opTST, cc, 1, 0, Rn, Op2); 279 } 280 inline void 281 CMP(int cc, int Rn, uint32_t Op2) { 282 dataProcessing(opCMP, cc, 1, 0, Rn, Op2); 283 } 284 inline void 285 CMN(int cc, int Rn, uint32_t Op2) { 286 dataProcessing(opCMN, cc, 1, 0, Rn, Op2); 287 } 288 289 inline void SMULBB(int cc, int Rd, int Rm, int Rs) { 290 SMUL(cc, xyBB, Rd, Rm, Rs); } 291 inline void SMULTB(int cc, int Rd, int Rm, int Rs) { 292 SMUL(cc, xyTB, Rd, Rm, Rs); } 293 inline void SMULBT(int cc, int Rd, int Rm, int Rs) { 294 SMUL(cc, xyBT, Rd, Rm, Rs); } 295 inline void SMULTT(int cc, int Rd, int Rm, int Rs) { 296 SMUL(cc, xyTT, Rd, Rm, Rs); } 297 298 inline void SMULWB(int cc, int Rd, int Rm, int Rs) { 299 SMULW(cc, yB, Rd, Rm, Rs); } 300 inline void SMULWT(int cc, int Rd, int Rm, int Rs) { 301 SMULW(cc, yT, Rd, Rm, Rs); } 302 303 inline void 304 SMLABB(int cc, int Rd, int Rm, int Rs, int Rn) { 305 SMLA(cc, xyBB, Rd, Rm, Rs, Rn); } 306 inline void 307 SMLATB(int cc, int Rd, int Rm, int Rs, int Rn) { 308 SMLA(cc, xyTB, Rd, Rm, Rs, Rn); } 309 inline void 310 SMLABT(int cc, int Rd, int Rm, int Rs, int Rn) { 311 SMLA(cc, xyBT, Rd, Rm, Rs, Rn); } 312 inline void 313 SMLATT(int cc, int Rd, int Rm, int Rs, int Rn) { 314 SMLA(cc, xyTT, Rd, Rm, Rs, Rn); } 315 316 inline void 317 SMLALBB(int cc, int RdHi, int RdLo, int Rs, int Rm) { 318 SMLAL(cc, xyBB, RdHi, RdLo, Rs, Rm); } 319 inline void 320 SMLALTB(int cc, int RdHi, int RdLo, int Rs, int Rm) { 321 SMLAL(cc, xyTB, RdHi, RdLo, Rs, Rm); } 322 inline void 323 SMLALBT(int cc, int RdHi, int RdLo, int Rs, int Rm) { 324 SMLAL(cc, xyBT, RdHi, RdLo, Rs, Rm); } 325 inline void 326 SMLALTT(int cc, int RdHi, int RdLo, int Rs, int Rm) { 327 SMLAL(cc, xyTT, RdHi, RdLo, Rs, Rm); } 328 329 inline void 330 SMLAWB(int cc, int Rd, int Rm, int Rs, int Rn) { 331 SMLAW(cc, yB, Rd, Rm, Rs, Rn); } 332 inline void 333 SMLAWT(int cc, int Rd, int Rm, int Rs, int Rn) { 334 SMLAW(cc, yT, Rd, Rm, Rs, Rn); } 335 336 // Address loading/storing/manipulation 337 virtual void ADDR_LDR(int cc, int Rd, 338 int Rn, uint32_t offset = __immed12_pre(0)); 339 virtual void ADDR_STR (int cc, int Rd, 340 int Rn, uint32_t offset = __immed12_pre(0)); 341 virtual void ADDR_ADD(int cc, int s, int Rd, 342 int Rn, uint32_t Op2); 343 virtual void ADDR_SUB(int cc, int s, int Rd, 344 int Rn, uint32_t Op2); 345 }; 346 347 }; // namespace android 348 349 #endif //ANDROID_ARMASSEMBLER_INTERFACE_H 350
