|  | /* | 
|  | * 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 <stdint.h> | 
|  | #include <sys/types.h> | 
|  |  | 
|  | #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>& 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<Assembly>    mAssembly; | 
|  | Vector<branch_target_t>                 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 |