/* * Copyright (C) 2013 The Android Open Source Project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef ANDROID_ARMTOARM64ASSEMBLER_H #define ANDROID_ARMTOARM64ASSEMBLER_H #include #include #include "tinyutils/smartpointer.h" #include "utils/Vector.h" #include "utils/KeyedVector.h" #include "tinyutils/smartpointer.h" #include "codeflinger/ARMAssemblerInterface.h" #include "codeflinger/CodeCache.h" namespace android { // ---------------------------------------------------------------------------- class ArmToArm64Assembler : public ARMAssemblerInterface { public: explicit ArmToArm64Assembler(const sp& assembly); explicit ArmToArm64Assembler(void *base); virtual ~ArmToArm64Assembler(); uint32_t* base() const; uint32_t* pc() const; void disassemble(const char* name); // ------------------------------------------------------------------------ // ARMAssemblerInterface... // ------------------------------------------------------------------------ virtual void reset(); virtual int generate(const char* name); virtual int getCodegenArch(); virtual void prolog(); virtual void epilog(uint32_t touched); virtual void comment(const char* string); // ----------------------------------------------------------------------- // shifters and addressing modes // ----------------------------------------------------------------------- // shifters... virtual bool isValidImmediate(uint32_t immed); virtual int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm); virtual uint32_t imm(uint32_t immediate); virtual uint32_t reg_imm(int Rm, int type, uint32_t shift); virtual uint32_t reg_rrx(int Rm); virtual uint32_t reg_reg(int Rm, int type, int Rs); // addressing modes... virtual uint32_t immed12_pre(int32_t immed12, int W=0); virtual uint32_t immed12_post(int32_t immed12); virtual uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0); virtual uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0); virtual uint32_t immed8_pre(int32_t immed8, int W=0); virtual uint32_t immed8_post(int32_t immed8); virtual uint32_t reg_pre(int Rm, int W=0); virtual uint32_t reg_post(int Rm); virtual void dataProcessing(int opcode, int cc, int s, int Rd, int Rn, uint32_t Op2); virtual void MLA(int cc, int s, int Rd, int Rm, int Rs, int Rn); virtual void MUL(int cc, int s, int Rd, int Rm, int Rs); virtual void UMULL(int cc, int s, int RdLo, int RdHi, int Rm, int Rs); virtual void UMUAL(int cc, int s, int RdLo, int RdHi, int Rm, int Rs); virtual void SMULL(int cc, int s, int RdLo, int RdHi, int Rm, int Rs); virtual void SMUAL(int cc, int s, int RdLo, int RdHi, int Rm, int Rs); virtual void B(int cc, uint32_t* pc); virtual void BL(int cc, uint32_t* pc); virtual void BX(int cc, int Rn); virtual void label(const char* theLabel); virtual void B(int cc, const char* label); virtual void BL(int cc, const char* label); virtual uint32_t* pcForLabel(const char* label); virtual void ADDR_LDR(int cc, int Rd, int Rn, uint32_t offset = 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); virtual void ADDR_STR (int cc, int Rd, int Rn, uint32_t offset = 0); virtual void LDR (int cc, int Rd, int Rn, uint32_t offset = 0); virtual void LDRB(int cc, int Rd, int Rn, uint32_t offset = 0); virtual void STR (int cc, int Rd, int Rn, uint32_t offset = 0); virtual void STRB(int cc, int Rd, int Rn, uint32_t offset = 0); virtual void LDRH (int cc, int Rd, int Rn, uint32_t offset = 0); virtual void LDRSB(int cc, int Rd, int Rn, uint32_t offset = 0); virtual void LDRSH(int cc, int Rd, int Rn, uint32_t offset = 0); virtual void STRH (int cc, int Rd, int Rn, uint32_t offset = 0); virtual void LDM(int cc, int dir, int Rn, int W, uint32_t reg_list); virtual void STM(int cc, int dir, int Rn, int W, uint32_t reg_list); virtual void SWP(int cc, int Rn, int Rd, int Rm); virtual void SWPB(int cc, int Rn, int Rd, int Rm); virtual void SWI(int cc, uint32_t comment); virtual void PLD(int Rn, uint32_t offset); virtual void CLZ(int cc, int Rd, int Rm); virtual void QADD(int cc, int Rd, int Rm, int Rn); virtual void QDADD(int cc, int Rd, int Rm, int Rn); virtual void QSUB(int cc, int Rd, int Rm, int Rn); virtual void QDSUB(int cc, int Rd, int Rm, int Rn); virtual void SMUL(int cc, int xy, int Rd, int Rm, int Rs); virtual void SMULW(int cc, int y, int Rd, int Rm, int Rs); virtual void SMLA(int cc, int xy, int Rd, int Rm, int Rs, int Rn); virtual void SMLAL(int cc, int xy, int RdHi, int RdLo, int Rs, int Rm); virtual void SMLAW(int cc, int y, int Rd, int Rm, int Rs, int Rn); virtual void UXTB16(int cc, int Rd, int Rm, int rotate); virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width); private: ArmToArm64Assembler(const ArmToArm64Assembler& rhs); ArmToArm64Assembler& operator = (const ArmToArm64Assembler& rhs); // ----------------------------------------------------------------------- // helper functions // ----------------------------------------------------------------------- void dataTransfer(int operation, int cc, int Rd, int Rn, uint32_t operand_type, uint32_t size = 32); void dataProcessingCommon(int opcode, int s, int Rd, int Rn, uint32_t Op2); // ----------------------------------------------------------------------- // Arm64 instructions // ----------------------------------------------------------------------- uint32_t A64_B_COND(uint32_t cc, uint32_t offset); uint32_t A64_RET(uint32_t Rn); uint32_t A64_LDRSTR_Wm_SXTW_0(uint32_t operation, uint32_t size, uint32_t Rt, uint32_t Rn, uint32_t Rm); uint32_t A64_STR_IMM_PreIndex(uint32_t Rt, uint32_t Rn, int32_t simm); uint32_t A64_LDR_IMM_PostIndex(uint32_t Rt,uint32_t Rn, int32_t simm); uint32_t A64_ADD_X_Wm_SXTW(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t amount); uint32_t A64_SUB_X_Wm_SXTW(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t amount); uint32_t A64_ADD_IMM_X(uint32_t Rd, uint32_t Rn, uint32_t imm, uint32_t shift = 0); uint32_t A64_SUB_IMM_X(uint32_t Rd, uint32_t Rn, uint32_t imm, uint32_t shift = 0); uint32_t A64_ADD_X(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0); uint32_t A64_ADD_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0); uint32_t A64_SUB_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0, uint32_t setflag = 0); uint32_t A64_AND_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0); uint32_t A64_ORR_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0); uint32_t A64_ORN_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0); uint32_t A64_MOVZ_W(uint32_t Rd, uint32_t imm, uint32_t shift); uint32_t A64_MOVZ_X(uint32_t Rd, uint32_t imm, uint32_t shift); uint32_t A64_MOVK_W(uint32_t Rd, uint32_t imm, uint32_t shift); uint32_t A64_SMADDL(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t Ra); uint32_t A64_MADD_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t Ra); uint32_t A64_SBFM_W(uint32_t Rd, uint32_t Rn, uint32_t immr, uint32_t imms); uint32_t A64_UBFM_W(uint32_t Rd, uint32_t Rn, uint32_t immr, uint32_t imms); uint32_t A64_UBFM_X(uint32_t Rd, uint32_t Rn, uint32_t immr, uint32_t imms); uint32_t A64_EXTR_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t lsb); uint32_t A64_CSEL_X(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t cond); uint32_t A64_CSEL_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t cond); uint32_t* mBase; uint32_t* mPC; uint32_t* mPrologPC; int64_t mDuration; uint32_t mTmpReg1, mTmpReg2, mTmpReg3, mZeroReg; struct branch_target_t { inline branch_target_t() : label(0), pc(0) { } inline branch_target_t(const char* l, uint32_t* p) : label(l), pc(p) { } const char* label; uint32_t* pc; }; sp mAssembly; Vector mBranchTargets; KeyedVector< const char*, uint32_t* > mLabels; KeyedVector< uint32_t*, const char* > mLabelsInverseMapping; KeyedVector< uint32_t*, const char* > mComments; enum operand_type_t { OPERAND_REG = 0x20, OPERAND_IMM, OPERAND_REG_IMM, OPERAND_REG_OFFSET, OPERAND_UNSUPPORTED }; struct addr_mode_t { int32_t immediate; bool writeback; bool preindex; bool postindex; int32_t reg_imm_Rm; int32_t reg_imm_type; uint32_t reg_imm_shift; int32_t reg_offset; } mAddrMode; }; }; // namespace android #endif //ANDROID_ARM64ASSEMBLER_H