/*
* 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