OpenOCD
opcodes.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include "encoding.h"
4 
5 #define ZERO 0
6 #define T0 5
7 #define S0 8
8 #define S1 9
9 
10 static uint32_t bits(uint32_t value, unsigned int hi, unsigned int lo)
11 {
12  return (value >> lo) & ((1 << (hi+1-lo)) - 1);
13 }
14 
15 static uint32_t bit(uint32_t value, unsigned int b)
16 {
17  return (value >> b) & 1;
18 }
19 
20 static uint32_t inst_rd(uint32_t r) __attribute__ ((unused));
21 static uint32_t inst_rd(uint32_t r)
22 {
23  return bits(r, 4, 0) << 7;
24 }
25 
26 static uint32_t inst_rs1(uint32_t r) __attribute__ ((unused));
27 static uint32_t inst_rs1(uint32_t r)
28 {
29  return bits(r, 4, 0) << 15;
30 }
31 
32 static uint32_t inst_rs2(uint32_t r) __attribute__ ((unused));
33 static uint32_t inst_rs2(uint32_t r)
34 {
35  return bits(r, 4, 0) << 20;
36 }
37 
38 static uint32_t imm_i(uint32_t imm) __attribute__ ((unused));
39 static uint32_t imm_i(uint32_t imm)
40 {
41  return bits(imm, 11, 0) << 20;
42 }
43 
44 static uint32_t imm_s(uint32_t imm) __attribute__ ((unused));
45 static uint32_t imm_s(uint32_t imm)
46 {
47  return (bits(imm, 4, 0) << 7) | (bits(imm, 11, 5) << 25);
48 }
49 
50 static uint32_t imm_b(uint32_t imm) __attribute__ ((unused));
51 static uint32_t imm_b(uint32_t imm)
52 {
53  return (bit(imm, 11) << 7) | (bits(imm, 4, 1) << 8) | (bits(imm, 10, 5) << 25) | (bit(imm, 12) << 31);
54 }
55 
56 static uint32_t imm_u(uint32_t imm) __attribute__ ((unused));
57 static uint32_t imm_u(uint32_t imm)
58 {
59  return bits(imm, 31, 12) << 12;
60 }
61 
62 static uint32_t imm_j(uint32_t imm) __attribute__ ((unused));
63 static uint32_t imm_j(uint32_t imm)
64 {
65  return (bits(imm, 19, 12) << 12) | (bit(imm, 11) << 20) | (bits(imm, 10, 1) << 21) | (bit(imm, 20) << 31);
66 }
67 
68 static uint32_t jal(unsigned int rd, uint32_t imm) __attribute__ ((unused));
69 static uint32_t jal(unsigned int rd, uint32_t imm)
70 {
71  return imm_j(imm) | inst_rd(rd) | MATCH_JAL;
72 }
73 
74 static uint32_t csrsi(unsigned int csr, uint16_t imm) __attribute__ ((unused));
75 static uint32_t csrsi(unsigned int csr, uint16_t imm)
76 {
77  return imm_i(csr) | inst_rs1(imm) | MATCH_CSRRSI;
78 }
79 
80 static uint32_t sw(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
81 static uint32_t sw(unsigned int src, unsigned int base, uint16_t offset)
82 {
83  return imm_s(offset) | inst_rs2(src) | inst_rs1(base) | MATCH_SW;
84 }
85 
86 static uint32_t sd(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
87 static uint32_t sd(unsigned int src, unsigned int base, uint16_t offset)
88 {
89  return imm_s(offset) | inst_rs2(src) | inst_rs1(base) | MATCH_SD;
90 }
91 
92 static uint32_t sh(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
93 static uint32_t sh(unsigned int src, unsigned int base, uint16_t offset)
94 {
95  return imm_s(offset) | inst_rs2(src) | inst_rs1(base) | MATCH_SH;
96 }
97 
98 static uint32_t sb(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
99 static uint32_t sb(unsigned int src, unsigned int base, uint16_t offset)
100 {
101  return imm_s(offset) | inst_rs2(src) | inst_rs1(base) | MATCH_SB;
102 }
103 
104 static uint32_t ld(unsigned int rd, unsigned int base, uint16_t offset) __attribute__ ((unused));
105 static uint32_t ld(unsigned int rd, unsigned int base, uint16_t offset)
106 {
107  return imm_i(offset) | inst_rs1(base) | inst_rd(rd) | MATCH_LD;
108 }
109 
110 static uint32_t lw(unsigned int rd, unsigned int base, uint16_t offset) __attribute__ ((unused));
111 static uint32_t lw(unsigned int rd, unsigned int base, uint16_t offset)
112 {
113  return imm_i(offset) | inst_rs1(base) | inst_rd(rd) | MATCH_LW;
114 }
115 
116 static uint32_t lh(unsigned int rd, unsigned int base, uint16_t offset) __attribute__ ((unused));
117 static uint32_t lh(unsigned int rd, unsigned int base, uint16_t offset)
118 {
119  return imm_i(offset) | inst_rs1(base) | inst_rd(rd) | MATCH_LH;
120 }
121 
122 static uint32_t lb(unsigned int rd, unsigned int base, uint16_t offset) __attribute__ ((unused));
123 static uint32_t lb(unsigned int rd, unsigned int base, uint16_t offset)
124 {
125  return imm_i(offset) | inst_rs1(base) | inst_rd(rd) | MATCH_LB;
126 }
127 
128 static uint32_t csrw(unsigned int source, unsigned int csr) __attribute__ ((unused));
129 static uint32_t csrw(unsigned int source, unsigned int csr)
130 {
131  return imm_i(csr) | inst_rs1(source) | MATCH_CSRRW;
132 }
133 
134 static uint32_t addi(unsigned int dest, unsigned int src, uint16_t imm) __attribute__ ((unused));
135 static uint32_t addi(unsigned int dest, unsigned int src, uint16_t imm)
136 {
137  return imm_i(imm) | inst_rs1(src) | inst_rd(dest) | MATCH_ADDI;
138 }
139 
140 static uint32_t csrr(unsigned int rd, unsigned int csr) __attribute__ ((unused));
141 static uint32_t csrr(unsigned int rd, unsigned int csr)
142 {
143  return imm_i(csr) | inst_rd(rd) | MATCH_CSRRS;
144 }
145 
146 static uint32_t csrrs(unsigned int rd, unsigned int rs, unsigned int csr) __attribute__ ((unused));
147 static uint32_t csrrs(unsigned int rd, unsigned int rs, unsigned int csr)
148 {
149  return imm_i(csr) | inst_rs1(rs) | inst_rd(rd) | MATCH_CSRRS;
150 }
151 
152 static uint32_t csrrw(unsigned int rd, unsigned int rs, unsigned int csr) __attribute__ ((unused));
153 static uint32_t csrrw(unsigned int rd, unsigned int rs, unsigned int csr)
154 {
155  return imm_i(csr) | inst_rs1(rs) | inst_rd(rd) | MATCH_CSRRW;
156 }
157 
158 static uint32_t csrrci(unsigned int rd, unsigned int zimm, unsigned int csr) __attribute__ ((unused));
159 static uint32_t csrrci(unsigned int rd, unsigned int zimm, unsigned int csr)
160 {
161  return imm_i(csr) | inst_rs1(zimm) | inst_rd(rd) | MATCH_CSRRCI;
162 }
163 
164 static uint32_t csrrsi(unsigned int rd, unsigned int zimm, unsigned int csr) __attribute__ ((unused));
165 static uint32_t csrrsi(unsigned int rd, unsigned int zimm, unsigned int csr)
166 {
167  return imm_i(csr) | inst_rs1(zimm) | inst_rd(rd) | MATCH_CSRRSI;
168 }
169 
170 static uint32_t fsw(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
171 static uint32_t fsw(unsigned int src, unsigned int base, uint16_t offset)
172 {
173  return imm_s(offset) | inst_rs2(src) | inst_rs1(base) | MATCH_FSW;
174 }
175 
176 static uint32_t fsd(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
177 static uint32_t fsd(unsigned int src, unsigned int base, uint16_t offset)
178 {
179  return imm_s(offset) | inst_rs2(src) | inst_rs1(base) | MATCH_FSD;
180 }
181 
182 static uint32_t flw(unsigned int dest, unsigned int base, uint16_t offset) __attribute__ ((unused));
183 static uint32_t flw(unsigned int dest, unsigned int base, uint16_t offset)
184 {
185  return imm_i(offset) | inst_rs1(base) | inst_rd(dest) | MATCH_FLW;
186 }
187 
188 static uint32_t fld(unsigned int dest, unsigned int base, uint16_t offset) __attribute__ ((unused));
189 static uint32_t fld(unsigned int dest, unsigned int base, uint16_t offset)
190 {
191  return imm_i(offset) | inst_rs1(base) | inst_rd(dest) | MATCH_FLD;
192 }
193 
194 static uint32_t fmv_x_w(unsigned dest, unsigned src) __attribute__ ((unused));
195 static uint32_t fmv_x_w(unsigned dest, unsigned src)
196 {
197  return inst_rs1(src) | inst_rd(dest) | MATCH_FMV_X_W;
198 }
199 
200 static uint32_t fmv_x_d(unsigned dest, unsigned src) __attribute__ ((unused));
201 static uint32_t fmv_x_d(unsigned dest, unsigned src)
202 {
203  return inst_rs1(src) | inst_rd(dest) | MATCH_FMV_X_D;
204 }
205 
206 static uint32_t fmv_w_x(unsigned dest, unsigned src) __attribute__ ((unused));
207 static uint32_t fmv_w_x(unsigned dest, unsigned src)
208 {
209  return inst_rs1(src) | inst_rd(dest) | MATCH_FMV_W_X;
210 }
211 
212 static uint32_t fmv_d_x(unsigned dest, unsigned src) __attribute__ ((unused));
213 static uint32_t fmv_d_x(unsigned dest, unsigned src)
214 {
215  return inst_rs1(src) | inst_rd(dest) | MATCH_FMV_D_X;
216 }
217 
218 static uint32_t ebreak(void) __attribute__ ((unused));
219 static uint32_t ebreak(void)
220 {
221  return MATCH_EBREAK;
222 }
223 static uint32_t ebreak_c(void) __attribute__ ((unused));
224 static uint32_t ebreak_c(void)
225 {
226  return MATCH_C_EBREAK;
227 }
228 
229 static uint32_t wfi(void) __attribute__ ((unused));
230 static uint32_t wfi(void) { return MATCH_WFI; }
231 
232 static uint32_t fence_i(void) __attribute__ ((unused));
233 static uint32_t fence_i(void)
234 {
235  return MATCH_FENCE_I;
236 }
237 
238 static uint32_t lui(unsigned int dest, uint32_t imm) __attribute__ ((unused));
239 static uint32_t lui(unsigned int dest, uint32_t imm)
240 {
241  return imm_u(imm) | inst_rd(dest) | MATCH_LUI;
242 }
243 
244 /*
245 static uint32_t csrci(unsigned int csr, uint16_t imm) __attribute__ ((unused));
246 static uint32_t csrci(unsigned int csr, uint16_t imm)
247 {
248  return (csr << 20) |
249  (bits(imm, 4, 0) << 15) |
250  MATCH_CSRRCI;
251 }
252 
253 static uint32_t li(unsigned int dest, uint16_t imm) __attribute__ ((unused));
254 static uint32_t li(unsigned int dest, uint16_t imm)
255 {
256  return addi(dest, 0, imm);
257 }
258 
259 static uint32_t fsd(unsigned int src, unsigned int base, uint16_t offset) __attribute__ ((unused));
260 static uint32_t fsd(unsigned int src, unsigned int base, uint16_t offset)
261 {
262  return (bits(offset, 11, 5) << 25) |
263  (bits(src, 4, 0) << 20) |
264  (base << 15) |
265  (bits(offset, 4, 0) << 7) |
266  MATCH_FSD;
267 }
268 
269 static uint32_t ori(unsigned int dest, unsigned int src, uint16_t imm) __attribute__ ((unused));
270 static uint32_t ori(unsigned int dest, unsigned int src, uint16_t imm)
271 {
272  return (bits(imm, 11, 0) << 20) |
273  (src << 15) |
274  (dest << 7) |
275  MATCH_ORI;
276 }
277 
278 static uint32_t nop(void) __attribute__ ((unused));
279 static uint32_t nop(void)
280 {
281  return addi(0, 0, 0);
282 }
283 */
284 
285 static uint32_t xori(unsigned int dest, unsigned int src, uint16_t imm) __attribute__ ((unused));
286 static uint32_t xori(unsigned int dest, unsigned int src, uint16_t imm)
287 {
288  return imm_i(imm) | inst_rs1(src) | inst_rd(dest) | MATCH_XORI;
289 }
290 
291 static uint32_t srli(unsigned int dest, unsigned int src, uint8_t shamt) __attribute__ ((unused));
292 static uint32_t srli(unsigned int dest, unsigned int src, uint8_t shamt)
293 {
294  return inst_rs2(shamt) | inst_rs1(src) | inst_rd(dest) | MATCH_SRLI;
295 }
296 
297 static uint32_t fence(void) __attribute__((unused));
298 static uint32_t fence(void)
299 {
300  return MATCH_FENCE;
301 }
302 
303 static uint32_t auipc(unsigned int dest) __attribute__((unused));
304 static uint32_t auipc(unsigned int dest)
305 {
306  return MATCH_AUIPC | inst_rd(dest);
307 }
308 
309 static uint32_t vsetvli(unsigned int dest, unsigned int src, uint16_t imm) __attribute__((unused));
310 static uint32_t vsetvli(unsigned int dest, unsigned int src, uint16_t imm)
311 {
312  return (bits(imm, 10, 0) << 20) | inst_rs1(src) | inst_rd(dest) | MATCH_VSETVLI;
313 }
314 
315 static uint32_t vmv_x_s(unsigned int rd, unsigned int vs2) __attribute__((unused));
316 static uint32_t vmv_x_s(unsigned int rd, unsigned int vs2)
317 {
318  return inst_rs2(vs2) | inst_rd(rd) | MATCH_VMV_X_S;
319 }
320 
321 static uint32_t vmv_s_x(unsigned int vd, unsigned int vs2) __attribute__((unused));
322 static uint32_t vmv_s_x(unsigned int vd, unsigned int rs1)
323 {
324  return inst_rs1(rs1) | inst_rd(vd) | MATCH_VMV_S_X;
325 }
326 
327 static uint32_t vslide1down_vx(unsigned int vd, unsigned int vs2,
328  unsigned int rs1, unsigned int vm) __attribute__((unused));
329 static uint32_t vslide1down_vx(unsigned int vd, unsigned int vs2,
330  unsigned int rs1, unsigned int vm)
331 {
332  return ((vm & 1) << 25) | inst_rs2(vs2) | inst_rs1(rs1) | inst_rd(vd) | MATCH_VSLIDE1DOWN_VX;
333 }
334 
#define MATCH_LH
Definition: encoding.h:1243
#define MATCH_LUI
Definition: encoding.h:1253
#define MATCH_CSRRW
Definition: encoding.h:671
#define MATCH_JAL
Definition: encoding.h:1021
#define MATCH_WFI
Definition: encoding.h:2757
#define MATCH_AUIPC
Definition: encoding.h:443
#define MATCH_VMV_S_X
Definition: encoding.h:2431
#define MATCH_CSRRCI
Definition: encoding.h:665
#define MATCH_FMV_X_W
Definition: encoding.h:891
#define MATCH_FSD
Definition: encoding.h:909
#define MATCH_FMV_D_X
Definition: encoding.h:881
#define MATCH_C_EBREAK
Definition: encoding.h:519
#define MATCH_FLW
Definition: encoding.h:839
#define MATCH_CSRRS
Definition: encoding.h:667
#define MATCH_LW
Definition: encoding.h:1255
#define MATCH_SH
Definition: encoding.h:1423
#define MATCH_LB
Definition: encoding.h:1235
#define MATCH_EBREAK
Definition: encoding.h:689
#define MATCH_FMV_W_X
Definition: encoding.h:885
#define MATCH_FENCE_I
Definition: encoding.h:807
#define MATCH_FENCE
Definition: encoding.h:805
#define MATCH_SB
Definition: encoding.h:1391
#define MATCH_VSETVLI
Definition: encoding.h:2563
#define MATCH_FLD
Definition: encoding.h:817
#define MATCH_VMV_X_S
Definition: encoding.h:2439
#define MATCH_SRLI
Definition: encoding.h:1669
#define MATCH_VSLIDE1DOWN_VX
Definition: encoding.h:2571
#define MATCH_SW
Definition: encoding.h:1729
#define MATCH_SD
Definition: encoding.h:1411
#define MATCH_CSRRSI
Definition: encoding.h:669
#define MATCH_FMV_X_D
Definition: encoding.h:887
#define MATCH_FSW
Definition: encoding.h:967
#define MATCH_XORI
Definition: encoding.h:2767
#define MATCH_ADDI
Definition: encoding.h:371
#define MATCH_LD
Definition: encoding.h:1239
uint8_t csr
Definition: esirisc.c:136
struct esp_usb_jtag __attribute__
Definition: armv8.c:804
static uint32_t inst_rd(uint32_t r) __attribute__((unused))
Definition: opcodes.h:21
static uint32_t vmv_s_x(unsigned int vd, unsigned int vs2) __attribute__((unused))
Definition: opcodes.h:322
static uint32_t imm_i(uint32_t imm) __attribute__((unused))
Definition: opcodes.h:39
static uint32_t bits(uint32_t value, unsigned int hi, unsigned int lo)
Definition: opcodes.h:10
static uint32_t csrrw(unsigned int rd, unsigned int rs, unsigned int csr) __attribute__((unused))
Definition: opcodes.h:153
static uint32_t bit(uint32_t value, unsigned int b)
Definition: opcodes.h:15
static uint32_t lb(unsigned int rd, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:123
static uint32_t wfi(void) __attribute__((unused))
Definition: opcodes.h:230
static uint32_t csrw(unsigned int source, unsigned int csr) __attribute__((unused))
Definition: opcodes.h:129
static uint32_t csrrs(unsigned int rd, unsigned int rs, unsigned int csr) __attribute__((unused))
Definition: opcodes.h:147
static uint32_t fence(void) __attribute__((unused))
Definition: opcodes.h:298
static uint32_t inst_rs2(uint32_t r) __attribute__((unused))
Definition: opcodes.h:33
static uint32_t fsd(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:177
static uint32_t fence_i(void) __attribute__((unused))
Definition: opcodes.h:233
static uint32_t lh(unsigned int rd, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:117
static uint32_t csrrci(unsigned int rd, unsigned int zimm, unsigned int csr) __attribute__((unused))
Definition: opcodes.h:159
static uint32_t imm_s(uint32_t imm) __attribute__((unused))
Definition: opcodes.h:45
static uint32_t csrr(unsigned int rd, unsigned int csr) __attribute__((unused))
Definition: opcodes.h:141
static uint32_t imm_b(uint32_t imm) __attribute__((unused))
Definition: opcodes.h:51
static uint32_t sh(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:93
static uint32_t sw(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:81
static uint32_t ebreak(void) __attribute__((unused))
Definition: opcodes.h:219
static uint32_t jal(unsigned int rd, uint32_t imm) __attribute__((unused))
Definition: opcodes.h:69
static uint32_t fsw(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:171
static uint32_t csrsi(unsigned int csr, uint16_t imm) __attribute__((unused))
Definition: opcodes.h:75
static uint32_t lui(unsigned int dest, uint32_t imm) __attribute__((unused))
Definition: opcodes.h:239
static uint32_t flw(unsigned int dest, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:183
static uint32_t vmv_x_s(unsigned int rd, unsigned int vs2) __attribute__((unused))
Definition: opcodes.h:316
static uint32_t csrrsi(unsigned int rd, unsigned int zimm, unsigned int csr) __attribute__((unused))
Definition: opcodes.h:165
static uint32_t ld(unsigned int rd, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:105
static uint32_t fld(unsigned int dest, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:189
static uint32_t vsetvli(unsigned int dest, unsigned int src, uint16_t imm) __attribute__((unused))
Definition: opcodes.h:310
static uint32_t sd(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:87
static uint32_t srli(unsigned int dest, unsigned int src, uint8_t shamt) __attribute__((unused))
Definition: opcodes.h:292
static uint32_t vslide1down_vx(unsigned int vd, unsigned int vs2, unsigned int rs1, unsigned int vm) __attribute__((unused))
Definition: opcodes.h:329
static uint32_t fmv_x_d(unsigned dest, unsigned src) __attribute__((unused))
Definition: opcodes.h:201
static uint32_t fmv_w_x(unsigned dest, unsigned src) __attribute__((unused))
Definition: opcodes.h:207
static uint32_t sb(unsigned int src, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:99
static uint32_t inst_rs1(uint32_t r) __attribute__((unused))
Definition: opcodes.h:27
static uint32_t lw(unsigned int rd, unsigned int base, uint16_t offset) __attribute__((unused))
Definition: opcodes.h:111
static uint32_t imm_j(uint32_t imm) __attribute__((unused))
Definition: opcodes.h:63
static uint32_t xori(unsigned int dest, unsigned int src, uint16_t imm) __attribute__((unused))
Definition: opcodes.h:286
static uint32_t fmv_d_x(unsigned dest, unsigned src) __attribute__((unused))
Definition: opcodes.h:213
static uint32_t fmv_x_w(unsigned dest, unsigned src) __attribute__((unused))
Definition: opcodes.h:195
static uint32_t addi(unsigned int dest, unsigned int src, uint16_t imm) __attribute__((unused))
Definition: opcodes.h:135
static uint32_t auipc(unsigned int dest) __attribute__((unused))
Definition: opcodes.h:304
static uint32_t ebreak_c(void) __attribute__((unused))
Definition: opcodes.h:224
static uint32_t imm_u(uint32_t imm) __attribute__((unused))
Definition: opcodes.h:57
struct rtt_source source
Definition: rtt/rtt.c:23
uint8_t offset[4]
Definition: vdebug.c:9