| /* | 
 |  * 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 |