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The Android Open Source Projectdd7bc332009-03-03 19:32:55 -08001/* 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
Mathias Agopian006ba852009-06-01 15:27:46 -070024#include "tinyutils/Vector.h"
25#include "tinyutils/KeyedVector.h"
26#include "tinyutils/smartpointer.h"
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080027
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);
Paul Lind2bc2b792012-02-01 10:54:19 -080055 virtual int getCodegenArch();
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080056
57 virtual void prolog();
58 virtual void epilog(uint32_t touched);
59 virtual void comment(const char* string);
60
Paul Lind2bc2b792012-02-01 10:54:19 -080061
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
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -080091 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,
Paul Lind2bc2b792012-02-01 10:54:19 -0800117 int Rn, uint32_t offset = __immed12_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800118 virtual void LDRB(int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800119 int Rn, uint32_t offset = __immed12_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800120 virtual void STR (int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800121 int Rn, uint32_t offset = __immed12_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800122 virtual void STRB(int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800123 int Rn, uint32_t offset = __immed12_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800124 virtual void LDRH (int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800125 int Rn, uint32_t offset = __immed8_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800126 virtual void LDRSB(int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800127 int Rn, uint32_t offset = __immed8_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800128 virtual void LDRSH(int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800129 int Rn, uint32_t offset = __immed8_pre(0));
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800130 virtual void STRH (int cc, int Rd,
Paul Lind2bc2b792012-02-01 10:54:19 -0800131 int Rn, uint32_t offset = __immed8_pre(0));
132
133
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800134 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);
Martyn Capewell96dbb4f2009-12-07 13:59:59 +0000159 virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
Martyn Capewell4dc1fa82009-12-04 16:44:58 +0000160 virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
The Android Open Source Projectdd7bc332009-03-03 19:32:55 -0800161
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