| /* libs/pixelflinger/codeflinger/ARMAssemblerInterface.h |
| ** |
| ** Copyright 2006, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| |
| #ifndef ANDROID_ARMASSEMBLER_INTERFACE_H |
| #define ANDROID_ARMASSEMBLER_INTERFACE_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| namespace android { |
| |
| // ---------------------------------------------------------------------------- |
| |
| class ARMAssemblerInterface |
| { |
| public: |
| virtual ~ARMAssemblerInterface(); |
| |
| enum { |
| EQ, NE, CS, CC, MI, PL, VS, VC, HI, LS, GE, LT, GT, LE, AL, NV, |
| HS = CS, |
| LO = CC |
| }; |
| enum { |
| S = 1 |
| }; |
| enum { |
| LSL, LSR, ASR, ROR |
| }; |
| enum { |
| ED, FD, EA, FA, |
| IB, IA, DB, DA |
| }; |
| enum { |
| R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, |
| SP = R13, |
| LR = R14, |
| PC = R15 |
| }; |
| enum { |
| #define LIST(rr) L##rr=1<<rr |
| LIST(R0), LIST(R1), LIST(R2), LIST(R3), LIST(R4), LIST(R5), LIST(R6), |
| LIST(R7), LIST(R8), LIST(R9), LIST(R10), LIST(R11), LIST(R12), |
| LIST(R13), LIST(R14), LIST(R15), |
| LIST(SP), LIST(LR), LIST(PC), |
| #undef LIST |
| LSAVED = LR4|LR5|LR6|LR7|LR8|LR9|LR10|LR11 | LLR |
| }; |
| |
| enum { |
| CODEGEN_ARCH_ARM = 1, CODEGEN_ARCH_MIPS, CODEGEN_ARCH_ARM64 |
| }; |
| |
| // ----------------------------------------------------------------------- |
| // shifters and addressing modes |
| // ----------------------------------------------------------------------- |
| |
| // these static versions are used for initializers on LDxx/STxx below |
| static uint32_t __immed12_pre(int32_t immed12, int W=0); |
| static uint32_t __immed8_pre(int32_t immed12, int W=0); |
| |
| virtual bool isValidImmediate(uint32_t immed) = 0; |
| virtual int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm) = 0; |
| |
| virtual uint32_t imm(uint32_t immediate) = 0; |
| virtual uint32_t reg_imm(int Rm, int type, uint32_t shift) = 0; |
| virtual uint32_t reg_rrx(int Rm) = 0; |
| virtual uint32_t reg_reg(int Rm, int type, int Rs) = 0; |
| |
| // addressing modes... |
| // LDR(B)/STR(B)/PLD |
| // (immediate and Rm can be negative, which indicates U=0) |
| virtual uint32_t immed12_pre(int32_t immed12, int W=0) = 0; |
| virtual uint32_t immed12_post(int32_t immed12) = 0; |
| virtual uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0) = 0; |
| virtual uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0) = 0; |
| |
| // LDRH/LDRSB/LDRSH/STRH |
| // (immediate and Rm can be negative, which indicates U=0) |
| virtual uint32_t immed8_pre(int32_t immed8, int W=0) = 0; |
| virtual uint32_t immed8_post(int32_t immed8) = 0; |
| virtual uint32_t reg_pre(int Rm, int W=0) = 0; |
| virtual uint32_t reg_post(int Rm) = 0; |
| |
| // ----------------------------------------------------------------------- |
| // basic instructions & code generation |
| // ----------------------------------------------------------------------- |
| |
| // generate the code |
| virtual void reset() = 0; |
| virtual int generate(const char* name) = 0; |
| virtual void disassemble(const char* name) = 0; |
| virtual int getCodegenArch() = 0; |
| |
| // construct prolog and epilog |
| virtual void prolog() = 0; |
| virtual void epilog(uint32_t touched) = 0; |
| virtual void comment(const char* string) = 0; |
| |
| // data processing... |
| enum { |
| opAND, opEOR, opSUB, opRSB, opADD, opADC, opSBC, opRSC, |
| opTST, opTEQ, opCMP, opCMN, opORR, opMOV, opBIC, opMVN |
| }; |
| |
| virtual void |
| dataProcessing( int opcode, int cc, int s, |
| int Rd, int Rn, |
| uint32_t Op2) = 0; |
| |
| // multiply... |
| virtual void MLA(int cc, int s, |
| int Rd, int Rm, int Rs, int Rn) = 0; |
| virtual void MUL(int cc, int s, |
| int Rd, int Rm, int Rs) = 0; |
| virtual void UMULL(int cc, int s, |
| int RdLo, int RdHi, int Rm, int Rs) = 0; |
| virtual void UMUAL(int cc, int s, |
| int RdLo, int RdHi, int Rm, int Rs) = 0; |
| virtual void SMULL(int cc, int s, |
| int RdLo, int RdHi, int Rm, int Rs) = 0; |
| virtual void SMUAL(int cc, int s, |
| int RdLo, int RdHi, int Rm, int Rs) = 0; |
| |
| // branches... |
| virtual void B(int cc, uint32_t* pc) = 0; |
| virtual void BL(int cc, uint32_t* pc) = 0; |
| virtual void BX(int cc, int Rn) = 0; |
| |
| virtual void label(const char* theLabel) = 0; |
| virtual void B(int cc, const char* label) = 0; |
| virtual void BL(int cc, const char* label) = 0; |
| |
| // valid only after generate() has been called |
| virtual uint32_t* pcForLabel(const char* label) = 0; |
| |
| // data transfer... |
| virtual void LDR (int cc, int Rd, |
| int Rn, uint32_t offset = __immed12_pre(0)) = 0; |
| virtual void LDRB(int cc, int Rd, |
| int Rn, uint32_t offset = __immed12_pre(0)) = 0; |
| virtual void STR (int cc, int Rd, |
| int Rn, uint32_t offset = __immed12_pre(0)) = 0; |
| virtual void STRB(int cc, int Rd, |
| int Rn, uint32_t offset = __immed12_pre(0)) = 0; |
| |
| virtual void LDRH (int cc, int Rd, |
| int Rn, uint32_t offset = __immed8_pre(0)) = 0; |
| virtual void LDRSB(int cc, int Rd, |
| int Rn, uint32_t offset = __immed8_pre(0)) = 0; |
| virtual void LDRSH(int cc, int Rd, |
| int Rn, uint32_t offset = __immed8_pre(0)) = 0; |
| virtual void STRH (int cc, int Rd, |
| int Rn, uint32_t offset = __immed8_pre(0)) = 0; |
| |
| // block data transfer... |
| virtual void LDM(int cc, int dir, |
| int Rn, int W, uint32_t reg_list) = 0; |
| virtual void STM(int cc, int dir, |
| int Rn, int W, uint32_t reg_list) = 0; |
| |
| // special... |
| virtual void SWP(int cc, int Rn, int Rd, int Rm) = 0; |
| virtual void SWPB(int cc, int Rn, int Rd, int Rm) = 0; |
| virtual void SWI(int cc, uint32_t comment) = 0; |
| |
| // DSP instructions... |
| enum { |
| // B=0, T=1 |
| // yx |
| xyBB = 0, // 0000, |
| xyTB = 2, // 0010, |
| xyBT = 4, // 0100, |
| xyTT = 6, // 0110, |
| yB = 0, // 0000, |
| yT = 4, // 0100 |
| }; |
| |
| virtual void PLD(int Rn, uint32_t offset) = 0; |
| |
| virtual void CLZ(int cc, int Rd, int Rm) = 0; |
| |
| virtual void QADD(int cc, int Rd, int Rm, int Rn) = 0; |
| virtual void QDADD(int cc, int Rd, int Rm, int Rn) = 0; |
| virtual void QSUB(int cc, int Rd, int Rm, int Rn) = 0; |
| virtual void QDSUB(int cc, int Rd, int Rm, int Rn) = 0; |
| |
| virtual void SMUL(int cc, int xy, |
| int Rd, int Rm, int Rs) = 0; |
| virtual void SMULW(int cc, int y, |
| int Rd, int Rm, int Rs) = 0; |
| virtual void SMLA(int cc, int xy, |
| int Rd, int Rm, int Rs, int Rn) = 0; |
| virtual void SMLAL(int cc, int xy, |
| int RdHi, int RdLo, int Rs, int Rm) = 0; |
| virtual void SMLAW(int cc, int y, |
| int Rd, int Rm, int Rs, int Rn) = 0; |
| |
| // byte/half word extract... |
| virtual void UXTB16(int cc, int Rd, int Rm, int rotate) = 0; |
| |
| // bit manipulation... |
| virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width) = 0; |
| |
| // ----------------------------------------------------------------------- |
| // convenience... |
| // ----------------------------------------------------------------------- |
| inline void |
| ADC(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opADC, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| ADD(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opADD, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| AND(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opAND, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| BIC(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opBIC, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| EOR(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opEOR, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| MOV(int cc, int s, int Rd, uint32_t Op2) { |
| dataProcessing(opMOV, cc, s, Rd, 0, Op2); |
| } |
| inline void |
| MVN(int cc, int s, int Rd, uint32_t Op2) { |
| dataProcessing(opMVN, cc, s, Rd, 0, Op2); |
| } |
| inline void |
| ORR(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opORR, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| RSB(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opRSB, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| RSC(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opRSC, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| SBC(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opSBC, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| SUB(int cc, int s, int Rd, int Rn, uint32_t Op2) { |
| dataProcessing(opSUB, cc, s, Rd, Rn, Op2); |
| } |
| inline void |
| TEQ(int cc, int Rn, uint32_t Op2) { |
| dataProcessing(opTEQ, cc, 1, 0, Rn, Op2); |
| } |
| inline void |
| TST(int cc, int Rn, uint32_t Op2) { |
| dataProcessing(opTST, cc, 1, 0, Rn, Op2); |
| } |
| inline void |
| CMP(int cc, int Rn, uint32_t Op2) { |
| dataProcessing(opCMP, cc, 1, 0, Rn, Op2); |
| } |
| inline void |
| CMN(int cc, int Rn, uint32_t Op2) { |
| dataProcessing(opCMN, cc, 1, 0, Rn, Op2); |
| } |
| |
| inline void SMULBB(int cc, int Rd, int Rm, int Rs) { |
| SMUL(cc, xyBB, Rd, Rm, Rs); } |
| inline void SMULTB(int cc, int Rd, int Rm, int Rs) { |
| SMUL(cc, xyTB, Rd, Rm, Rs); } |
| inline void SMULBT(int cc, int Rd, int Rm, int Rs) { |
| SMUL(cc, xyBT, Rd, Rm, Rs); } |
| inline void SMULTT(int cc, int Rd, int Rm, int Rs) { |
| SMUL(cc, xyTT, Rd, Rm, Rs); } |
| |
| inline void SMULWB(int cc, int Rd, int Rm, int Rs) { |
| SMULW(cc, yB, Rd, Rm, Rs); } |
| inline void SMULWT(int cc, int Rd, int Rm, int Rs) { |
| SMULW(cc, yT, Rd, Rm, Rs); } |
| |
| inline void |
| SMLABB(int cc, int Rd, int Rm, int Rs, int Rn) { |
| SMLA(cc, xyBB, Rd, Rm, Rs, Rn); } |
| inline void |
| SMLATB(int cc, int Rd, int Rm, int Rs, int Rn) { |
| SMLA(cc, xyTB, Rd, Rm, Rs, Rn); } |
| inline void |
| SMLABT(int cc, int Rd, int Rm, int Rs, int Rn) { |
| SMLA(cc, xyBT, Rd, Rm, Rs, Rn); } |
| inline void |
| SMLATT(int cc, int Rd, int Rm, int Rs, int Rn) { |
| SMLA(cc, xyTT, Rd, Rm, Rs, Rn); } |
| |
| inline void |
| SMLALBB(int cc, int RdHi, int RdLo, int Rs, int Rm) { |
| SMLAL(cc, xyBB, RdHi, RdLo, Rs, Rm); } |
| inline void |
| SMLALTB(int cc, int RdHi, int RdLo, int Rs, int Rm) { |
| SMLAL(cc, xyTB, RdHi, RdLo, Rs, Rm); } |
| inline void |
| SMLALBT(int cc, int RdHi, int RdLo, int Rs, int Rm) { |
| SMLAL(cc, xyBT, RdHi, RdLo, Rs, Rm); } |
| inline void |
| SMLALTT(int cc, int RdHi, int RdLo, int Rs, int Rm) { |
| SMLAL(cc, xyTT, RdHi, RdLo, Rs, Rm); } |
| |
| inline void |
| SMLAWB(int cc, int Rd, int Rm, int Rs, int Rn) { |
| SMLAW(cc, yB, Rd, Rm, Rs, Rn); } |
| inline void |
| SMLAWT(int cc, int Rd, int Rm, int Rs, int Rn) { |
| SMLAW(cc, yT, Rd, Rm, Rs, Rn); } |
| |
| // Address loading/storing/manipulation |
| virtual void ADDR_LDR(int cc, int Rd, |
| int Rn, uint32_t offset = __immed12_pre(0)); |
| virtual void ADDR_STR (int cc, int Rd, |
| int Rn, uint32_t offset = __immed12_pre(0)); |
| virtual void ADDR_ADD(int cc, int s, int Rd, |
| int Rn, uint32_t Op2); |
| virtual void ADDR_SUB(int cc, int s, int Rd, |
| int Rn, uint32_t Op2); |
| }; |
| |
| }; // namespace android |
| |
| #endif //ANDROID_ARMASSEMBLER_INTERFACE_H |
