1 /* libs/pixelflinger/codeflinger/ARMAssemblerProxy.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 
19 #ifndef ANDROID_ARMASSEMBLER_PROXY_H
20 #define ANDROID_ARMASSEMBLER_PROXY_H
21 
22 #include <stdint.h>
23 #include <sys/types.h>
24 
25 #include "ARMAssemblerInterface.h"
26 
27 namespace android {
28 
29 // ----------------------------------------------------------------------------
30 
31 class ARMAssemblerProxy : public ARMAssemblerInterface
32 {
33 public:
34     // ARMAssemblerProxy take ownership of the target
35 
36                 ARMAssemblerProxy();
37     explicit    ARMAssemblerProxy(ARMAssemblerInterface* target);
38     virtual     ~ARMAssemblerProxy();
39 
40     void setTarget(ARMAssemblerInterface* target);
41 
42     virtual void    reset();
43     virtual int     generate(const char* name);
44     virtual void    disassemble(const char* name);
45     virtual int     getCodegenArch();
46 
47     virtual void    prolog();
48     virtual void    epilog(uint32_t touched);
49     virtual void    comment(const char* string);
50 
51     // -----------------------------------------------------------------------
52     // shifters and addressing modes
53     // -----------------------------------------------------------------------
54 
55     virtual bool        isValidImmediate(uint32_t immed);
56     virtual int         buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
57 
58     virtual uint32_t    imm(uint32_t immediate);
59     virtual uint32_t    reg_imm(int Rm, int type, uint32_t shift);
60     virtual uint32_t    reg_rrx(int Rm);
61     virtual uint32_t    reg_reg(int Rm, int type, int Rs);
62 
63     // addressing modes...
64     // LDR(B)/STR(B)/PLD
65     // (immediate and Rm can be negative, which indicates U=0)
66     virtual uint32_t    immed12_pre(int32_t immed12, int W=0);
67     virtual uint32_t    immed12_post(int32_t immed12);
68     virtual uint32_t    reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
69     virtual uint32_t    reg_scale_post(int Rm, int type=0, uint32_t shift=0);
70 
71     // LDRH/LDRSB/LDRSH/STRH
72     // (immediate and Rm can be negative, which indicates U=0)
73     virtual uint32_t    immed8_pre(int32_t immed8, int W=0);
74     virtual uint32_t    immed8_post(int32_t immed8);
75     virtual uint32_t    reg_pre(int Rm, int W=0);
76     virtual uint32_t    reg_post(int Rm);
77 
78 
79     virtual void    dataProcessing(int opcode, int cc, int s,
80                                 int Rd, int Rn,
81                                 uint32_t Op2);
82     virtual void MLA(int cc, int s,
83                 int Rd, int Rm, int Rs, int Rn);
84     virtual void MUL(int cc, int s,
85                 int Rd, int Rm, int Rs);
86     virtual void UMULL(int cc, int s,
87                 int RdLo, int RdHi, int Rm, int Rs);
88     virtual void UMUAL(int cc, int s,
89                 int RdLo, int RdHi, int Rm, int Rs);
90     virtual void SMULL(int cc, int s,
91                 int RdLo, int RdHi, int Rm, int Rs);
92     virtual void SMUAL(int cc, int s,
93                 int RdLo, int RdHi, int Rm, int Rs);
94 
95     virtual void B(int cc, uint32_t* pc);
96     virtual void BL(int cc, uint32_t* pc);
97     virtual void BX(int cc, int Rn);
98     virtual void label(const char* theLabel);
99     virtual void B(int cc, const char* label);
100     virtual void BL(int cc, const char* label);
101 
102     uint32_t* pcForLabel(const char* label);
103 
104     virtual void LDR (int cc, int Rd,
105                 int Rn, uint32_t offset = __immed12_pre(0));
106     virtual void LDRB(int cc, int Rd,
107                 int Rn, uint32_t offset = __immed12_pre(0));
108     virtual void STR (int cc, int Rd,
109                 int Rn, uint32_t offset = __immed12_pre(0));
110     virtual void STRB(int cc, int Rd,
111                 int Rn, uint32_t offset = __immed12_pre(0));
112     virtual void LDRH (int cc, int Rd,
113                 int Rn, uint32_t offset = __immed8_pre(0));
114     virtual void LDRSB(int cc, int Rd,
115                 int Rn, uint32_t offset = __immed8_pre(0));
116     virtual void LDRSH(int cc, int Rd,
117                 int Rn, uint32_t offset = __immed8_pre(0));
118     virtual void STRH (int cc, int Rd,
119                 int Rn, uint32_t offset = __immed8_pre(0));
120     virtual void LDM(int cc, int dir,
121                 int Rn, int W, uint32_t reg_list);
122     virtual void STM(int cc, int dir,
123                 int Rn, int W, uint32_t reg_list);
124 
125     virtual void SWP(int cc, int Rn, int Rd, int Rm);
126     virtual void SWPB(int cc, int Rn, int Rd, int Rm);
127     virtual void SWI(int cc, uint32_t comment);
128 
129     virtual void PLD(int Rn, uint32_t offset);
130     virtual void CLZ(int cc, int Rd, int Rm);
131     virtual void QADD(int cc, int Rd, int Rm, int Rn);
132     virtual void QDADD(int cc, int Rd, int Rm, int Rn);
133     virtual void QSUB(int cc, int Rd, int Rm, int Rn);
134     virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
135     virtual void SMUL(int cc, int xy,
136                 int Rd, int Rm, int Rs);
137     virtual void SMULW(int cc, int y,
138                 int Rd, int Rm, int Rs);
139     virtual void SMLA(int cc, int xy,
140                 int Rd, int Rm, int Rs, int Rn);
141     virtual void SMLAL(int cc, int xy,
142                 int RdHi, int RdLo, int Rs, int Rm);
143     virtual void SMLAW(int cc, int y,
144                 int Rd, int Rm, int Rs, int Rn);
145 
146     virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
147     virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
148 
149     virtual void ADDR_LDR(int cc, int Rd,
150                 int Rn, uint32_t offset = __immed12_pre(0));
151     virtual void ADDR_STR (int cc, int Rd,
152                 int Rn, uint32_t offset = __immed12_pre(0));
153     virtual void ADDR_ADD(int cc, int s, int Rd,
154                 int Rn, uint32_t Op2);
155     virtual void ADDR_SUB(int cc, int s, int Rd,
156                 int Rn, uint32_t Op2);
157 
158 private:
159     ARMAssemblerInterface*  mTarget;
160 };
161 
162 }; // namespace android
163 
164 #endif //ANDROID_ARMASSEMBLER_PROXY_H
165