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      1 /* libs/pixelflinger/codeflinger/ARMAssembler.h
      2 **
      3 ** Copyright 2006, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 #ifndef ANDROID_ARMASSEMBLER_H
     19 #define ANDROID_ARMASSEMBLER_H
     20 
     21 #include <stdint.h>
     22 #include <sys/types.h>
     23 
     24 #include "tinyutils/Vector.h"
     25 #include "tinyutils/KeyedVector.h"
     26 #include "tinyutils/smartpointer.h"
     27 
     28 #include "tinyutils/smartpointer.h"
     29 #include "codeflinger/ARMAssemblerInterface.h"
     30 #include "codeflinger/CodeCache.h"
     31 
     32 namespace android {
     33 
     34 // ----------------------------------------------------------------------------
     35 
     36 class ARMAssembler : public ARMAssemblerInterface
     37 {
     38 public:
     39                 ARMAssembler(const sp<Assembly>& assembly);
     40     virtual     ~ARMAssembler();
     41 
     42     uint32_t*   base() const;
     43     uint32_t*   pc() const;
     44 
     45 
     46     void        disassemble(const char* name);
     47 
     48     // ------------------------------------------------------------------------
     49     // ARMAssemblerInterface...
     50     // ------------------------------------------------------------------------
     51 
     52     virtual void    reset();
     53 
     54     virtual int     generate(const char* name);
     55 
     56     virtual void    prolog();
     57     virtual void    epilog(uint32_t touched);
     58     virtual void    comment(const char* string);
     59 
     60     virtual void    dataProcessing(int opcode, int cc, int s,
     61                                 int Rd, int Rn,
     62                                 uint32_t Op2);
     63     virtual void MLA(int cc, int s,
     64                 int Rd, int Rm, int Rs, int Rn);
     65     virtual void MUL(int cc, int s,
     66                 int Rd, int Rm, int Rs);
     67     virtual void UMULL(int cc, int s,
     68                 int RdLo, int RdHi, int Rm, int Rs);
     69     virtual void UMUAL(int cc, int s,
     70                 int RdLo, int RdHi, int Rm, int Rs);
     71     virtual void SMULL(int cc, int s,
     72                 int RdLo, int RdHi, int Rm, int Rs);
     73     virtual void SMUAL(int cc, int s,
     74                 int RdLo, int RdHi, int Rm, int Rs);
     75 
     76     virtual void B(int cc, uint32_t* pc);
     77     virtual void BL(int cc, uint32_t* pc);
     78     virtual void BX(int cc, int Rn);
     79     virtual void label(const char* theLabel);
     80     virtual void B(int cc, const char* label);
     81     virtual void BL(int cc, const char* label);
     82 
     83     virtual uint32_t* pcForLabel(const char* label);
     84 
     85     virtual void LDR (int cc, int Rd,
     86                 int Rn, uint32_t offset = immed12_pre(0));
     87     virtual void LDRB(int cc, int Rd,
     88                 int Rn, uint32_t offset = immed12_pre(0));
     89     virtual void STR (int cc, int Rd,
     90                 int Rn, uint32_t offset = immed12_pre(0));
     91     virtual void STRB(int cc, int Rd,
     92                 int Rn, uint32_t offset = immed12_pre(0));
     93     virtual void LDRH (int cc, int Rd,
     94                 int Rn, uint32_t offset = immed8_pre(0));
     95     virtual void LDRSB(int cc, int Rd,
     96                 int Rn, uint32_t offset = immed8_pre(0));
     97     virtual void LDRSH(int cc, int Rd,
     98                 int Rn, uint32_t offset = immed8_pre(0));
     99     virtual void STRH (int cc, int Rd,
    100                 int Rn, uint32_t offset = immed8_pre(0));
    101     virtual void LDM(int cc, int dir,
    102                 int Rn, int W, uint32_t reg_list);
    103     virtual void STM(int cc, int dir,
    104                 int Rn, int W, uint32_t reg_list);
    105 
    106     virtual void SWP(int cc, int Rn, int Rd, int Rm);
    107     virtual void SWPB(int cc, int Rn, int Rd, int Rm);
    108     virtual void SWI(int cc, uint32_t comment);
    109 
    110     virtual void PLD(int Rn, uint32_t offset);
    111     virtual void CLZ(int cc, int Rd, int Rm);
    112     virtual void QADD(int cc, int Rd, int Rm, int Rn);
    113     virtual void QDADD(int cc, int Rd, int Rm, int Rn);
    114     virtual void QSUB(int cc, int Rd, int Rm, int Rn);
    115     virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
    116     virtual void SMUL(int cc, int xy,
    117                 int Rd, int Rm, int Rs);
    118     virtual void SMULW(int cc, int y,
    119                 int Rd, int Rm, int Rs);
    120     virtual void SMLA(int cc, int xy,
    121                 int Rd, int Rm, int Rs, int Rn);
    122     virtual void SMLAL(int cc, int xy,
    123                 int RdHi, int RdLo, int Rs, int Rm);
    124     virtual void SMLAW(int cc, int y,
    125                 int Rd, int Rm, int Rs, int Rn);
    126     virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
    127 
    128 private:
    129                 ARMAssembler(const ARMAssembler& rhs);
    130                 ARMAssembler& operator = (const ARMAssembler& rhs);
    131 
    132     sp<Assembly>    mAssembly;
    133     uint32_t*       mBase;
    134     uint32_t*       mPC;
    135     uint32_t*       mPrologPC;
    136     int64_t         mDuration;
    137 #if defined(WITH_LIB_HARDWARE)
    138     bool            mQemuTracing;
    139 #endif
    140 
    141     struct branch_target_t {
    142         inline branch_target_t() : label(0), pc(0) { }
    143         inline branch_target_t(const char* l, uint32_t* p)
    144             : label(l), pc(p) { }
    145         const char* label;
    146         uint32_t*   pc;
    147     };
    148 
    149     Vector<branch_target_t>                 mBranchTargets;
    150     KeyedVector< const char*, uint32_t* >   mLabels;
    151     KeyedVector< uint32_t*, const char* >   mLabelsInverseMapping;
    152     KeyedVector< uint32_t*, const char* >   mComments;
    153 };
    154 
    155 }; // namespace android
    156 
    157 #endif //ANDROID_ARMASSEMBLER_H
    158