ARMAssembler.h revision 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 
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 <utils/Vector.h>
25#include <utils/KeyedVector.h>
26
27#include "tinyutils/smartpointer.h"
28#include "codeflinger/ARMAssemblerInterface.h"
29#include "codeflinger/CodeCache.h"
30
31namespace android {
32
33// ----------------------------------------------------------------------------
34
35class ARMAssembler : public ARMAssemblerInterface
36{
37public:
38                ARMAssembler(const sp<Assembly>& assembly);
39    virtual     ~ARMAssembler();
40
41    uint32_t*   base() const;
42    uint32_t*   pc() const;
43
44
45    void        disassemble(const char* name);
46
47    // ------------------------------------------------------------------------
48    // ARMAssemblerInterface...
49    // ------------------------------------------------------------------------
50
51    virtual void    reset();
52
53    virtual int     generate(const char* name);
54
55    virtual void    prolog();
56    virtual void    epilog(uint32_t touched);
57    virtual void    comment(const char* string);
58
59    virtual void    dataProcessing(int opcode, int cc, int s,
60                                int Rd, int Rn,
61                                uint32_t Op2);
62    virtual void MLA(int cc, int s,
63                int Rd, int Rm, int Rs, int Rn);
64    virtual void MUL(int cc, int s,
65                int Rd, int Rm, int Rs);
66    virtual void UMULL(int cc, int s,
67                int RdLo, int RdHi, int Rm, int Rs);
68    virtual void UMUAL(int cc, int s,
69                int RdLo, int RdHi, int Rm, int Rs);
70    virtual void SMULL(int cc, int s,
71                int RdLo, int RdHi, int Rm, int Rs);
72    virtual void SMUAL(int cc, int s,
73                int RdLo, int RdHi, int Rm, int Rs);
74
75    virtual void B(int cc, uint32_t* pc);
76    virtual void BL(int cc, uint32_t* pc);
77    virtual void BX(int cc, int Rn);
78    virtual void label(const char* theLabel);
79    virtual void B(int cc, const char* label);
80    virtual void BL(int cc, const char* label);
81
82    virtual uint32_t* pcForLabel(const char* label);
83
84    virtual void LDR (int cc, int Rd,
85                int Rn, uint32_t offset = immed12_pre(0));
86    virtual void LDRB(int cc, int Rd,
87                int Rn, uint32_t offset = immed12_pre(0));
88    virtual void STR (int cc, int Rd,
89                int Rn, uint32_t offset = immed12_pre(0));
90    virtual void STRB(int cc, int Rd,
91                int Rn, uint32_t offset = immed12_pre(0));
92    virtual void LDRH (int cc, int Rd,
93                int Rn, uint32_t offset = immed8_pre(0));
94    virtual void LDRSB(int cc, int Rd,
95                int Rn, uint32_t offset = immed8_pre(0));
96    virtual void LDRSH(int cc, int Rd,
97                int Rn, uint32_t offset = immed8_pre(0));
98    virtual void STRH (int cc, int Rd,
99                int Rn, uint32_t offset = immed8_pre(0));
100    virtual void LDM(int cc, int dir,
101                int Rn, int W, uint32_t reg_list);
102    virtual void STM(int cc, int dir,
103                int Rn, int W, uint32_t reg_list);
104
105    virtual void SWP(int cc, int Rn, int Rd, int Rm);
106    virtual void SWPB(int cc, int Rn, int Rd, int Rm);
107    virtual void SWI(int cc, uint32_t comment);
108
109    virtual void PLD(int Rn, uint32_t offset);
110    virtual void CLZ(int cc, int Rd, int Rm);
111    virtual void QADD(int cc, int Rd, int Rm, int Rn);
112    virtual void QDADD(int cc, int Rd, int Rm, int Rn);
113    virtual void QSUB(int cc, int Rd, int Rm, int Rn);
114    virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
115    virtual void SMUL(int cc, int xy,
116                int Rd, int Rm, int Rs);
117    virtual void SMULW(int cc, int y,
118                int Rd, int Rm, int Rs);
119    virtual void SMLA(int cc, int xy,
120                int Rd, int Rm, int Rs, int Rn);
121    virtual void SMLAL(int cc, int xy,
122                int RdHi, int RdLo, int Rs, int Rm);
123    virtual void SMLAW(int cc, int y,
124                int Rd, int Rm, int Rs, int Rn);
125
126private:
127                ARMAssembler(const ARMAssembler& rhs);
128                ARMAssembler& operator = (const ARMAssembler& rhs);
129
130    sp<Assembly>    mAssembly;
131    uint32_t*       mBase;
132    uint32_t*       mPC;
133    uint32_t*       mPrologPC;
134    int64_t         mDuration;
135#if defined(WITH_LIB_HARDWARE)
136    bool            mQemuTracing;
137#endif
138
139    struct branch_target_t {
140        inline branch_target_t() : label(0), pc(0) { }
141        inline branch_target_t(const char* l, uint32_t* p)
142            : label(l), pc(p) { }
143        const char* label;
144        uint32_t*   pc;
145    };
146
147    Vector<branch_target_t>                 mBranchTargets;
148    KeyedVector< const char*, uint32_t* >   mLabels;
149    KeyedVector< uint32_t*, const char* >   mLabelsInverseMapping;
150    KeyedVector< uint32_t*, const char* >   mComments;
151};
152
153}; // namespace android
154
155#endif //ANDROID_ARMASSEMBLER_H
156