Mercurial > ecos

comparison packages/hal/mips/arch/current/include/mips_opcode.h @ 2:443894e2e912 ecos-v1_2_1-release

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Block commit of eCos version 1.2.1
author jlarmour
date Tue, 11 May 1999 12:24:34 +0000
parents 3111d98ba7b3
children
comparison
equal deleted inserted replaced
1:72f549f0d891 2:443894e2e912
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software 16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement: 17 * must display the following acknowledgement:
18 * This product includes software developed by the University of 18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors. 19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors 20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software 21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission. 22 * without specific prior written permission.
23 * 23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE. 34 * SUCH DAMAGE.
35 * 35 *
36 * from: @(#)mips_opcode.h 7.1 (Berkeley) 3/19/92 36 * from: @(#)mips_opcode.h 7.1 (Berkeley) 3/19/92
37 * via: mips_opcode.h,v 1.1 1994/03/10 16:15:10 (algorithmics) 37 * via: mips_opcode.h,v 1.1 1994/03/10 16:15:10 (algorithmics)
38 */ 38 */
39 39
40 /* 40 /*
41 * Define the instruction formats and opcode values for the 41 * Define the instruction formats and opcode values for the
51 typedef union { 51 typedef union {
52 unsigned word; 52 unsigned word;
53 53
54 #ifdef MIPSEL 54 #ifdef MIPSEL
55 struct { 55 struct {
56 unsigned imm: 16; 56 unsigned imm: 16;
57 unsigned rt: 5; 57 unsigned rt: 5;
58 unsigned rs: 5; 58 unsigned rs: 5;
59 unsigned op: 6; 59 unsigned op: 6;
60 } IType; 60 } IType;
61 61
62 struct { 62 struct {
63 unsigned target: 26; 63 unsigned target: 26;
64 unsigned op: 6; 64 unsigned op: 6;
65 } JType; 65 } JType;
66 66
67 struct { 67 struct {
68 unsigned func: 6; 68 unsigned func: 6;
69 unsigned shamt: 5; 69 unsigned shamt: 5;
70 unsigned rd: 5; 70 unsigned rd: 5;
71 unsigned rt: 5; 71 unsigned rt: 5;
72 unsigned rs: 5; 72 unsigned rs: 5;
73 unsigned op: 6; 73 unsigned op: 6;
74 } RType; 74 } RType;
75 75
76 struct { 76 struct {
77 unsigned func: 6; 77 unsigned func: 6;
78 unsigned fd: 5; 78 unsigned fd: 5;
79 unsigned fs: 5; 79 unsigned fs: 5;
80 unsigned ft: 5; 80 unsigned ft: 5;
81 unsigned fmt: 4; 81 unsigned fmt: 4;
82 unsigned : 1; /* always '1' */ 82 unsigned : 1; /* always '1' */
83 unsigned op: 6; /* always '0x11' */ 83 unsigned op: 6; /* always '0x11' */
84 } FRType; 84 } FRType;
85 #else 85 #else
86 struct { 86 struct {
87 unsigned op: 6; 87 unsigned op: 6;
88 unsigned rs: 5; 88 unsigned rs: 5;
89 unsigned rt: 5; 89 unsigned rt: 5;
90 unsigned imm: 16; 90 unsigned imm: 16;
91 } IType; 91 } IType;
92 92
93 struct { 93 struct {
94 unsigned op: 6; 94 unsigned op: 6;
95 unsigned target: 26; 95 unsigned target: 26;
96 } JType; 96 } JType;
97 97
98 struct { 98 struct {
99 unsigned op: 6; 99 unsigned op: 6;
100 unsigned rs: 5; 100 unsigned rs: 5;
101 unsigned rt: 5; 101 unsigned rt: 5;
102 unsigned rd: 5; 102 unsigned rd: 5;
103 unsigned shamt: 5; 103 unsigned shamt: 5;
104 unsigned func: 6; 104 unsigned func: 6;
105 } RType; 105 } RType;
106 106
107 struct { 107 struct {
108 unsigned op: 6; /* always '0x11' */ 108 unsigned op: 6; /* always '0x11' */
109 unsigned : 1; /* always '1' */ 109 unsigned : 1; /* always '1' */
110 unsigned fmt: 4; 110 unsigned fmt: 4;
111 unsigned func: 6; 111 unsigned func: 6;
112 unsigned ft: 5; 112 unsigned ft: 5;
113 unsigned fs: 5; 113 unsigned fs: 5;
114 unsigned fd: 5; 114 unsigned fd: 5;
115 } FRType; 115 } FRType;
116 #endif 116 #endif
117 } InstFmt; 117 } InstFmt;
118 118
119 /* 119 /*
120 * Values for the 'op' field. 120 * Values for the 'op' field.
121 */ 121 */
122 #define OP_SPECIAL 000 122 #define OP_SPECIAL 000
123 #define OP_REGIMM 001 123 #define OP_REGIMM 001
124 #define OP_J 002 124 #define OP_J 002
125 #define OP_JAL 003 125 #define OP_JAL 003
126 #define OP_BEQ 004 126 #define OP_BEQ 004
127 #define OP_BNE 005 127 #define OP_BNE 005
128 #define OP_BLEZ 006 128 #define OP_BLEZ 006
129 #define OP_BGTZ 007 129 #define OP_BGTZ 007
130 130
131 #define OP_ADDI 010 131 #define OP_ADDI 010
132 #define OP_ADDIU 011 132 #define OP_ADDIU 011
133 #define OP_SLTI 012 133 #define OP_SLTI 012
134 #define OP_SLTIU 013 134 #define OP_SLTIU 013
135 #define OP_ANDI 014 135 #define OP_ANDI 014
136 #define OP_ORI 015 136 #define OP_ORI 015
137 #define OP_XORI 016 137 #define OP_XORI 016
138 #define OP_LUI 017 138 #define OP_LUI 017
139 139
140 #define OP_COP0 020 140 #define OP_COP0 020
141 #define OP_COP1 021 141 #define OP_COP1 021
142 #define OP_COP2 022 142 #define OP_COP2 022
143 #define OP_BEQL 024 143 #define OP_BEQL 024
144 #define OP_BNEL 025 144 #define OP_BNEL 025
145 #define OP_BLEZL 026 145 #define OP_BLEZL 026
146 #define OP_BGTZL 027 146 #define OP_BGTZL 027
147 147
148 #define OP_DADDI 030 148 #define OP_DADDI 030
149 #define OP_DADDIU 031 149 #define OP_DADDIU 031
150 #define OP_LDL 032 150 #define OP_LDL 032
151 #define OP_LDR 033 151 #define OP_LDR 033
152 152
153 #define OP_LB 040 153 #define OP_LB 040
154 #define OP_LH 041 154 #define OP_LH 041
155 #define OP_LWL 042 155 #define OP_LWL 042
156 #define OP_LW 043 156 #define OP_LW 043
157 #define OP_LBU 044 157 #define OP_LBU 044
158 #define OP_LHU 045 158 #define OP_LHU 045
159 #define OP_LWR 046 159 #define OP_LWR 046
160 #define OP_LWU 047 160 #define OP_LWU 047
161 161
162 #define OP_SB 050 162 #define OP_SB 050
163 #define OP_SH 051 163 #define OP_SH 051
164 #define OP_SWL 052 164 #define OP_SWL 052
165 #define OP_SW 053 165 #define OP_SW 053
166 #define OP_SDL 054 166 #define OP_SDL 054
167 #define OP_SDR 055 167 #define OP_SDR 055
168 #define OP_SWR 056 168 #define OP_SWR 056
169 #define OP_CACHE 057 169 #define OP_CACHE 057
170 170
171 #define OP_LL 060 171 #define OP_LL 060
172 #define OP_LWC1 061 172 #define OP_LWC1 061
173 #define OP_LWC2 062 173 #define OP_LWC2 062
174 #define OP_LLD 064 174 #define OP_LLD 064
175 #define OP_LDC1 065 175 #define OP_LDC1 065
176 #define OP_LDC2 066 176 #define OP_LDC2 066
177 #define OP_LD 067 177 #define OP_LD 067
178 178
179 #define OP_SC 070 179 #define OP_SC 070
180 #define OP_SWC1 071 180 #define OP_SWC1 071
181 #define OP_SWC2 072 181 #define OP_SWC2 072
182 #define OP_SCD 074 182 #define OP_SCD 074
183 #define OP_SDC1 075 183 #define OP_SDC1 075
184 #define OP_SDC2 076 184 #define OP_SDC2 076
185 #define OP_SD 077 185 #define OP_SD 077
186 186
187 /* 187 /*
188 * Values for the 'func' field when 'op' == OP_SPECIAL. 188 * Values for the 'func' field when 'op' == OP_SPECIAL.
189 */ 189 */
190 #define OP_SLL 000 190 #define OP_SLL 000
191 #define OP_SRL 002 191 #define OP_SRL 002
192 #define OP_SRA 003 192 #define OP_SRA 003
193 #define OP_SLLV 004 193 #define OP_SLLV 004
194 #define OP_SRLV 006 194 #define OP_SRLV 006
195 #define OP_SRAV 007 195 #define OP_SRAV 007
196 196
197 #define OP_JR 010 197 #define OP_JR 010
198 #define OP_JALR 011 198 #define OP_JALR 011
199 #define OP_SYSCALL 014 199 #define OP_SYSCALL 014
200 #define OP_BREAK 015 200 #define OP_BREAK 015
201 #define OP_SYNC 017 201 #define OP_SYNC 017
202 202
203 #define OP_MFHI 020 203 #define OP_MFHI 020
204 #define OP_MTHI 021 204 #define OP_MTHI 021
205 #define OP_MFLO 022 205 #define OP_MFLO 022
206 #define OP_MTLO 023 206 #define OP_MTLO 023
207 #define OP_DSLLV 024 207 #define OP_DSLLV 024
208 #define OP_DSRLV 026 208 #define OP_DSRLV 026
209 #define OP_DSRAV 027 209 #define OP_DSRAV 027
210 210
211 #define OP_MULT 030 211 #define OP_MULT 030
212 #define OP_MULTU 031 212 #define OP_MULTU 031
213 #define OP_DIV 032 213 #define OP_DIV 032
214 #define OP_DIVU 033 214 #define OP_DIVU 033
215 #define OP_DMULT 034 215 #define OP_DMULT 034
216 #define OP_DMULTU 035 216 #define OP_DMULTU 035
217 #define OP_DDIV 036 217 #define OP_DDIV 036
218 #define OP_DDIVU 037 218 #define OP_DDIVU 037
219 219
220 #define OP_ADD 040 220 #define OP_ADD 040
221 #define OP_ADDU 041 221 #define OP_ADDU 041
222 #define OP_SUB 042 222 #define OP_SUB 042
223 #define OP_SUBU 043 223 #define OP_SUBU 043
224 #define OP_AND 044 224 #define OP_AND 044
225 #define OP_OR 045 225 #define OP_OR 045
226 #define OP_XOR 046 226 #define OP_XOR 046
227 #define OP_NOR 047 227 #define OP_NOR 047
228 228
229 #define OP_SLT 052 229 #define OP_SLT 052
230 #define OP_SLTU 053 230 #define OP_SLTU 053
231 #define OP_DADD 054 231 #define OP_DADD 054
232 #define OP_DADDU 055 232 #define OP_DADDU 055
233 #define OP_DSUB 056 233 #define OP_DSUB 056
234 #define OP_DSUBU 057 234 #define OP_DSUBU 057
235 235
236 #define OP_TGE 060 236 #define OP_TGE 060
237 #define OP_TGEU 061 237 #define OP_TGEU 061
238 #define OP_TLT 062 238 #define OP_TLT 062
239 #define OP_TLTU 063 239 #define OP_TLTU 063
240 #define OP_TEQ 064 240 #define OP_TEQ 064
241 #define OP_TNE 066 241 #define OP_TNE 066
242 242
243 #define OP_DSLL 070 243 #define OP_DSLL 070
244 #define OP_DSRL 072 244 #define OP_DSRL 072
245 #define OP_DSRA 073 245 #define OP_DSRA 073
246 #define OP_DSLL32 074 246 #define OP_DSLL32 074
247 #define OP_DSRL32 076 247 #define OP_DSRL32 076
248 #define OP_DSRA32 077 248 #define OP_DSRA32 077
249 249
250 /* 250 /*
251 * Values for the 'func' field when 'op' == OP_REGIMM. 251 * Values for the 'func' field when 'op' == OP_REGIMM.
252 */ 252 */
253 #define OP_BLTZ 000 253 #define OP_BLTZ 000
254 #define OP_BGEZ 001 254 #define OP_BGEZ 001
255 #define OP_BLTZL 002 255 #define OP_BLTZL 002
256 #define OP_BGEZL 003 256 #define OP_BGEZL 003
257 257
258 #define OP_TGEI 010 258 #define OP_TGEI 010
259 #define OP_TGEIU 011 259 #define OP_TGEIU 011
260 #define OP_TLTI 012 260 #define OP_TLTI 012
261 #define OP_TLTIU 013 261 #define OP_TLTIU 013
262 #define OP_TEQI 014 262 #define OP_TEQI 014
263 #define OP_TNEI 016 263 #define OP_TNEI 016
264 264
265 #define OP_BLTZAL 020 265 #define OP_BLTZAL 020
266 #define OP_BGEZAL 021 266 #define OP_BGEZAL 021
267 #define OP_BLTZALL 022 267 #define OP_BLTZALL 022
268 #define OP_BGEZALL 023 268 #define OP_BGEZALL 023
269 269
270 /* 270 /*
271 * Values for the 'rs' field when 'op' == OP_COPz. 271 * Values for the 'rs' field when 'op' == OP_COPz.
272 */ 272 */
273 #define OP_MF 000 273 #define OP_MF 000
274 #define OP_DMF 001 274 #define OP_DMF 001
275 #define OP_CF 002 275 #define OP_CF 002
276 #define OP_MT 004 276 #define OP_MT 004
277 #define OP_DMT 005 277 #define OP_DMT 005
278 #define OP_CT 006 278 #define OP_CT 006
279 #define OP_BC 010 279 #define OP_BC 010
280 280
281 /* 281 /*
282 * Values for the 'rt' field when 'op' == OP_COPz and 'rt' == OP_BC. 282 * Values for the 'rt' field when 'op' == OP_COPz and 'rt' == OP_BC.
283 */ 283 */
284 #define COPz_BCF 0x00 284 #define COPz_BCF 0x00
285 #define COPz_BCT 0x01 285 #define COPz_BCT 0x01
286 #define COPz_BCFL 0x02 286 #define COPz_BCFL 0x02
287 #define COPz_BCTL 0x03 287 #define COPz_BCTL 0x03
288 288
289 /* 289 /*
290 * Instructions with specal significance to debuggers. 290 * Instructions with specal significance to debuggers.
291 */ 291 */
292 #define BREAK_INSTR 0x0005000d /* instruction code for break */ 292 #define BREAK_INSTR 0x0005000d /* instruction code for break */
293 #define NOP_INSTR 0x00000000 /* instruction code for no-op */ 293 #define NOP_INSTR 0x00000000 /* instruction code for no-op */
294 294
295 #endif /* _MIPS_OPCODE_H */ 295 #endif /* _MIPS_OPCODE_H */