ARMAssembler.h revision 2bc2b792782b304b15d8c48b54916a9b3fa3a7ac 
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
32namespace android {
33
34// ----------------------------------------------------------------------------
35
36class ARMAssembler : public ARMAssemblerInterface
37{
38public:
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    virtual int     getCodegenArch();
56
57    virtual void    prolog();
58    virtual void    epilog(uint32_t touched);
59    virtual void    comment(const char* string);
60
61
62    // -----------------------------------------------------------------------
63    // shifters and addressing modes
64    // -----------------------------------------------------------------------
65
66    // shifters...
67    virtual bool        isValidImmediate(uint32_t immed);
68    virtual int         buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
69
70    virtual uint32_t    imm(uint32_t immediate);
71    virtual uint32_t    reg_imm(int Rm, int type, uint32_t shift);
72    virtual uint32_t    reg_rrx(int Rm);
73    virtual uint32_t    reg_reg(int Rm, int type, int Rs);
74
75    // addressing modes...
76    // LDR(B)/STR(B)/PLD
77    // (immediate and Rm can be negative, which indicates U=0)
78    virtual uint32_t    immed12_pre(int32_t immed12, int W=0);
79    virtual uint32_t    immed12_post(int32_t immed12);
80    virtual uint32_t    reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
81    virtual uint32_t    reg_scale_post(int Rm, int type=0, uint32_t shift=0);
82
83    // LDRH/LDRSB/LDRSH/STRH
84    // (immediate and Rm can be negative, which indicates U=0)
85    virtual uint32_t    immed8_pre(int32_t immed8, int W=0);
86    virtual uint32_t    immed8_post(int32_t immed8);
87    virtual uint32_t    reg_pre(int Rm, int W=0);
88    virtual uint32_t    reg_post(int Rm);
89
90
91    virtual void    dataProcessing(int opcode, int cc, int s,
92                                int Rd, int Rn,
93                                uint32_t Op2);
94    virtual void MLA(int cc, int s,
95                int Rd, int Rm, int Rs, int Rn);
96    virtual void MUL(int cc, int s,
97                int Rd, int Rm, int Rs);
98    virtual void UMULL(int cc, int s,
99                int RdLo, int RdHi, int Rm, int Rs);
100    virtual void UMUAL(int cc, int s,
101                int RdLo, int RdHi, int Rm, int Rs);
102    virtual void SMULL(int cc, int s,
103                int RdLo, int RdHi, int Rm, int Rs);
104    virtual void SMUAL(int cc, int s,
105                int RdLo, int RdHi, int Rm, int Rs);
106
107    virtual void B(int cc, uint32_t* pc);
108    virtual void BL(int cc, uint32_t* pc);
109    virtual void BX(int cc, int Rn);
110    virtual void label(const char* theLabel);
111    virtual void B(int cc, const char* label);
112    virtual void BL(int cc, const char* label);
113
114    virtual uint32_t* pcForLabel(const char* label);
115
116    virtual void LDR (int cc, int Rd,
117                int Rn, uint32_t offset = __immed12_pre(0));
118    virtual void LDRB(int cc, int Rd,
119                int Rn, uint32_t offset = __immed12_pre(0));
120    virtual void STR (int cc, int Rd,
121                int Rn, uint32_t offset = __immed12_pre(0));
122    virtual void STRB(int cc, int Rd,
123                int Rn, uint32_t offset = __immed12_pre(0));
124    virtual void LDRH (int cc, int Rd,
125                int Rn, uint32_t offset = __immed8_pre(0));
126    virtual void LDRSB(int cc, int Rd,
127                int Rn, uint32_t offset = __immed8_pre(0));
128    virtual void LDRSH(int cc, int Rd,
129                int Rn, uint32_t offset = __immed8_pre(0));
130    virtual void STRH (int cc, int Rd,
131                int Rn, uint32_t offset = __immed8_pre(0));
132
133
134    virtual void LDM(int cc, int dir,
135                int Rn, int W, uint32_t reg_list);
136    virtual void STM(int cc, int dir,
137                int Rn, int W, uint32_t reg_list);
138
139    virtual void SWP(int cc, int Rn, int Rd, int Rm);
140    virtual void SWPB(int cc, int Rn, int Rd, int Rm);
141    virtual void SWI(int cc, uint32_t comment);
142
143    virtual void PLD(int Rn, uint32_t offset);
144    virtual void CLZ(int cc, int Rd, int Rm);
145    virtual void QADD(int cc, int Rd, int Rm, int Rn);
146    virtual void QDADD(int cc, int Rd, int Rm, int Rn);
147    virtual void QSUB(int cc, int Rd, int Rm, int Rn);
148    virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
149    virtual void SMUL(int cc, int xy,
150                int Rd, int Rm, int Rs);
151    virtual void SMULW(int cc, int y,
152                int Rd, int Rm, int Rs);
153    virtual void SMLA(int cc, int xy,
154                int Rd, int Rm, int Rs, int Rn);
155    virtual void SMLAL(int cc, int xy,
156                int RdHi, int RdLo, int Rs, int Rm);
157    virtual void SMLAW(int cc, int y,
158                int Rd, int Rm, int Rs, int Rn);
159    virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
160    virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
161
162private:
163                ARMAssembler(const ARMAssembler& rhs);
164                ARMAssembler& operator = (const ARMAssembler& rhs);
165
166    sp<Assembly>    mAssembly;
167    uint32_t*       mBase;
168    uint32_t*       mPC;
169    uint32_t*       mPrologPC;
170    int64_t         mDuration;
171#if defined(WITH_LIB_HARDWARE)
172    bool            mQemuTracing;
173#endif
174
175    struct branch_target_t {
176        inline branch_target_t() : label(0), pc(0) { }
177        inline branch_target_t(const char* l, uint32_t* p)
178            : label(l), pc(p) { }
179        const char* label;
180        uint32_t*   pc;
181    };
182
183    Vector<branch_target_t>                 mBranchTargets;
184    KeyedVector< const char*, uint32_t* >   mLabels;
185    KeyedVector< uint32_t*, const char* >   mLabelsInverseMapping;
186    KeyedVector< uint32_t*, const char* >   mComments;
187};
188
189}; // namespace android
190
191#endif //ANDROID_ARMASSEMBLER_H
192