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gerrit.twrp.me / android_bootable_recovery / 630fd66b96a811822e833c69377622828b128b94 / . / libpixelflinger / codeflinger / Arm64Assembler.h
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bigbiff673c7ae2020-12-02 19:44:56 -0500[diff] [blame]1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef ANDROID_ARMTOARM64ASSEMBLER_H
30#define ANDROID_ARMTOARM64ASSEMBLER_H
31
32#include <stdint.h>
33#include <sys/types.h>
34
35#include "tinyutils/smartpointer.h"
36#include "utils/Vector.h"
37#include "utils/KeyedVector.h"
38
39#include "tinyutils/smartpointer.h"
40#include "codeflinger/ARMAssemblerInterface.h"
41#include "codeflinger/CodeCache.h"
42
43namespace android {
44
45// ----------------------------------------------------------------------------
46
47class ArmToArm64Assembler : public ARMAssemblerInterface
48{
49public:
50 explicit ArmToArm64Assembler(const sp<Assembly>& assembly);
51 explicit ArmToArm64Assembler(void *base);
52 virtual ~ArmToArm64Assembler();
53
54 uint32_t* base() const;
55 uint32_t* pc() const;
56
57
58 void disassemble(const char* name);
59
60 // ------------------------------------------------------------------------
61 // ARMAssemblerInterface...
62 // ------------------------------------------------------------------------
63
64 virtual void reset();
65
66 virtual int generate(const char* name);
67 virtual int getCodegenArch();
68
69 virtual void prolog();
70 virtual void epilog(uint32_t touched);
71 virtual void comment(const char* string);
72
73
74 // -----------------------------------------------------------------------
75 // shifters and addressing modes
76 // -----------------------------------------------------------------------
77
78 // shifters...
79 virtual bool isValidImmediate(uint32_t immed);
80 virtual int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
81
82 virtual uint32_t imm(uint32_t immediate);
83 virtual uint32_t reg_imm(int Rm, int type, uint32_t shift);
84 virtual uint32_t reg_rrx(int Rm);
85 virtual uint32_t reg_reg(int Rm, int type, int Rs);
86
87 // addressing modes...
88 virtual uint32_t immed12_pre(int32_t immed12, int W=0);
89 virtual uint32_t immed12_post(int32_t immed12);
90 virtual uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
91 virtual uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0);
92 virtual uint32_t immed8_pre(int32_t immed8, int W=0);
93 virtual uint32_t immed8_post(int32_t immed8);
94 virtual uint32_t reg_pre(int Rm, int W=0);
95 virtual uint32_t reg_post(int Rm);
96
97
98 virtual void dataProcessing(int opcode, int cc, int s,
99 int Rd, int Rn,
100 uint32_t Op2);
101 virtual void MLA(int cc, int s,
102 int Rd, int Rm, int Rs, int Rn);
103 virtual void MUL(int cc, int s,
104 int Rd, int Rm, int Rs);
105 virtual void UMULL(int cc, int s,
106 int RdLo, int RdHi, int Rm, int Rs);
107 virtual void UMUAL(int cc, int s,
108 int RdLo, int RdHi, int Rm, int Rs);
109 virtual void SMULL(int cc, int s,
110 int RdLo, int RdHi, int Rm, int Rs);
111 virtual void SMUAL(int cc, int s,
112 int RdLo, int RdHi, int Rm, int Rs);
113
114 virtual void B(int cc, uint32_t* pc);
115 virtual void BL(int cc, uint32_t* pc);
116 virtual void BX(int cc, int Rn);
117 virtual void label(const char* theLabel);
118 virtual void B(int cc, const char* label);
119 virtual void BL(int cc, const char* label);
120
121 virtual uint32_t* pcForLabel(const char* label);
122
123 virtual void ADDR_LDR(int cc, int Rd,
124 int Rn, uint32_t offset = 0);
125 virtual void ADDR_ADD(int cc, int s, int Rd,
126 int Rn, uint32_t Op2);
127 virtual void ADDR_SUB(int cc, int s, int Rd,
128 int Rn, uint32_t Op2);
129 virtual void ADDR_STR (int cc, int Rd,
130 int Rn, uint32_t offset = 0);
131
132 virtual void LDR (int cc, int Rd,
133 int Rn, uint32_t offset = 0);
134 virtual void LDRB(int cc, int Rd,
135 int Rn, uint32_t offset = 0);
136 virtual void STR (int cc, int Rd,
137 int Rn, uint32_t offset = 0);
138 virtual void STRB(int cc, int Rd,
139 int Rn, uint32_t offset = 0);
140 virtual void LDRH (int cc, int Rd,
141 int Rn, uint32_t offset = 0);
142 virtual void LDRSB(int cc, int Rd,
143 int Rn, uint32_t offset = 0);
144 virtual void LDRSH(int cc, int Rd,
145 int Rn, uint32_t offset = 0);
146 virtual void STRH (int cc, int Rd,
147 int Rn, uint32_t offset = 0);
148
149
150 virtual void LDM(int cc, int dir,
151 int Rn, int W, uint32_t reg_list);
152 virtual void STM(int cc, int dir,
153 int Rn, int W, uint32_t reg_list);
154
155 virtual void SWP(int cc, int Rn, int Rd, int Rm);
156 virtual void SWPB(int cc, int Rn, int Rd, int Rm);
157 virtual void SWI(int cc, uint32_t comment);
158
159 virtual void PLD(int Rn, uint32_t offset);
160 virtual void CLZ(int cc, int Rd, int Rm);
161 virtual void QADD(int cc, int Rd, int Rm, int Rn);
162 virtual void QDADD(int cc, int Rd, int Rm, int Rn);
163 virtual void QSUB(int cc, int Rd, int Rm, int Rn);
164 virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
165 virtual void SMUL(int cc, int xy,
166 int Rd, int Rm, int Rs);
167 virtual void SMULW(int cc, int y,
168 int Rd, int Rm, int Rs);
169 virtual void SMLA(int cc, int xy,
170 int Rd, int Rm, int Rs, int Rn);
171 virtual void SMLAL(int cc, int xy,
172 int RdHi, int RdLo, int Rs, int Rm);
173 virtual void SMLAW(int cc, int y,
174 int Rd, int Rm, int Rs, int Rn);
175 virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
176 virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
177
178private:
179 ArmToArm64Assembler(const ArmToArm64Assembler& rhs);
180 ArmToArm64Assembler& operator = (const ArmToArm64Assembler& rhs);
181
182 // -----------------------------------------------------------------------
183 // helper functions
184 // -----------------------------------------------------------------------
185
186 void dataTransfer(int operation, int cc, int Rd, int Rn,
187 uint32_t operand_type, uint32_t size = 32);
188 void dataProcessingCommon(int opcode, int s,
189 int Rd, int Rn, uint32_t Op2);
190
191 // -----------------------------------------------------------------------
192 // Arm64 instructions
193 // -----------------------------------------------------------------------
194 uint32_t A64_B_COND(uint32_t cc, uint32_t offset);
195 uint32_t A64_RET(uint32_t Rn);
196
197 uint32_t A64_LDRSTR_Wm_SXTW_0(uint32_t operation,
198 uint32_t size, uint32_t Rt,
199 uint32_t Rn, uint32_t Rm);
200
201 uint32_t A64_STR_IMM_PreIndex(uint32_t Rt, uint32_t Rn, int32_t simm);
202 uint32_t A64_LDR_IMM_PostIndex(uint32_t Rt,uint32_t Rn, int32_t simm);
203
204 uint32_t A64_ADD_X_Wm_SXTW(uint32_t Rd, uint32_t Rn, uint32_t Rm,
205 uint32_t amount);
206 uint32_t A64_SUB_X_Wm_SXTW(uint32_t Rd, uint32_t Rn, uint32_t Rm,
207 uint32_t amount);
208
209 uint32_t A64_ADD_IMM_X(uint32_t Rd, uint32_t Rn,
210 uint32_t imm, uint32_t shift = 0);
211 uint32_t A64_SUB_IMM_X(uint32_t Rd, uint32_t Rn,
212 uint32_t imm, uint32_t shift = 0);
213
214 uint32_t A64_ADD_X(uint32_t Rd, uint32_t Rn,
215 uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0);
216 uint32_t A64_ADD_W(uint32_t Rd, uint32_t Rn, uint32_t Rm,
217 uint32_t shift = 0, uint32_t amount = 0);
218 uint32_t A64_SUB_W(uint32_t Rd, uint32_t Rn, uint32_t Rm,
219 uint32_t shift = 0, uint32_t amount = 0,
220 uint32_t setflag = 0);
221 uint32_t A64_AND_W(uint32_t Rd, uint32_t Rn,
222 uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0);
223 uint32_t A64_ORR_W(uint32_t Rd, uint32_t Rn,
224 uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0);
225 uint32_t A64_ORN_W(uint32_t Rd, uint32_t Rn,
226 uint32_t Rm, uint32_t shift = 0, uint32_t amount = 0);
227
228 uint32_t A64_MOVZ_W(uint32_t Rd, uint32_t imm, uint32_t shift);
229 uint32_t A64_MOVZ_X(uint32_t Rd, uint32_t imm, uint32_t shift);
230 uint32_t A64_MOVK_W(uint32_t Rd, uint32_t imm, uint32_t shift);
231
232 uint32_t A64_SMADDL(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t Ra);
233 uint32_t A64_MADD_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t Ra);
234
235 uint32_t A64_SBFM_W(uint32_t Rd, uint32_t Rn,
236 uint32_t immr, uint32_t imms);
237 uint32_t A64_UBFM_W(uint32_t Rd, uint32_t Rn,
238 uint32_t immr, uint32_t imms);
239 uint32_t A64_UBFM_X(uint32_t Rd, uint32_t Rn,
240 uint32_t immr, uint32_t imms);
241
242 uint32_t A64_EXTR_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t lsb);
243 uint32_t A64_CSEL_X(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t cond);
244 uint32_t A64_CSEL_W(uint32_t Rd, uint32_t Rn, uint32_t Rm, uint32_t cond);
245
246 uint32_t* mBase;
247 uint32_t* mPC;
248 uint32_t* mPrologPC;
249 int64_t mDuration;
250 uint32_t mTmpReg1, mTmpReg2, mTmpReg3, mZeroReg;
251
252 struct branch_target_t {
253 inline branch_target_t() : label(0), pc(0) { }
254 inline branch_target_t(const char* l, uint32_t* p)
255 : label(l), pc(p) { }
256 const char* label;
257 uint32_t* pc;
258 };
259
260 sp<Assembly> mAssembly;
261 Vector<branch_target_t> mBranchTargets;
262 KeyedVector< const char*, uint32_t* > mLabels;
263 KeyedVector< uint32_t*, const char* > mLabelsInverseMapping;
264 KeyedVector< uint32_t*, const char* > mComments;
265
266 enum operand_type_t
267 {
268 OPERAND_REG = 0x20,
269 OPERAND_IMM,
270 OPERAND_REG_IMM,
271 OPERAND_REG_OFFSET,
272 OPERAND_UNSUPPORTED
273 };
274
275 struct addr_mode_t {
276 int32_t immediate;
277 bool writeback;
278 bool preindex;
279 bool postindex;
280 int32_t reg_imm_Rm;
281 int32_t reg_imm_type;
282 uint32_t reg_imm_shift;
283 int32_t reg_offset;
284 } mAddrMode;
285
286};
287
288}; // namespace android
289
290#endif //ANDROID_ARM64ASSEMBLER_H