diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2008-09-16 13:48:51 -0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 11:18:52 -0400 |
commit | 384740dc49ea651ba350704d13ff6be9976e37fe (patch) | |
tree | a6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/inst.h | |
parent | e8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff) |
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/inst.h')
-rw-r--r-- | arch/mips/include/asm/inst.h | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h new file mode 100644 index 00000000000..6489f00731c --- /dev/null +++ b/arch/mips/include/asm/inst.h | |||
@@ -0,0 +1,394 @@ | |||
1 | /* | ||
2 | * Format of an instruction in memory. | ||
3 | * | ||
4 | * This file is subject to the terms and conditions of the GNU General Public | ||
5 | * License. See the file "COPYING" in the main directory of this archive | ||
6 | * for more details. | ||
7 | * | ||
8 | * Copyright (C) 1996, 2000 by Ralf Baechle | ||
9 | * Copyright (C) 2006 by Thiemo Seufer | ||
10 | */ | ||
11 | #ifndef _ASM_INST_H | ||
12 | #define _ASM_INST_H | ||
13 | |||
14 | /* | ||
15 | * Major opcodes; before MIPS IV cop1x was called cop3. | ||
16 | */ | ||
17 | enum major_op { | ||
18 | spec_op, bcond_op, j_op, jal_op, | ||
19 | beq_op, bne_op, blez_op, bgtz_op, | ||
20 | addi_op, addiu_op, slti_op, sltiu_op, | ||
21 | andi_op, ori_op, xori_op, lui_op, | ||
22 | cop0_op, cop1_op, cop2_op, cop1x_op, | ||
23 | beql_op, bnel_op, blezl_op, bgtzl_op, | ||
24 | daddi_op, daddiu_op, ldl_op, ldr_op, | ||
25 | spec2_op, jalx_op, mdmx_op, spec3_op, | ||
26 | lb_op, lh_op, lwl_op, lw_op, | ||
27 | lbu_op, lhu_op, lwr_op, lwu_op, | ||
28 | sb_op, sh_op, swl_op, sw_op, | ||
29 | sdl_op, sdr_op, swr_op, cache_op, | ||
30 | ll_op, lwc1_op, lwc2_op, pref_op, | ||
31 | lld_op, ldc1_op, ldc2_op, ld_op, | ||
32 | sc_op, swc1_op, swc2_op, major_3b_op, | ||
33 | scd_op, sdc1_op, sdc2_op, sd_op | ||
34 | }; | ||
35 | |||
36 | /* | ||
37 | * func field of spec opcode. | ||
38 | */ | ||
39 | enum spec_op { | ||
40 | sll_op, movc_op, srl_op, sra_op, | ||
41 | sllv_op, pmon_op, srlv_op, srav_op, | ||
42 | jr_op, jalr_op, movz_op, movn_op, | ||
43 | syscall_op, break_op, spim_op, sync_op, | ||
44 | mfhi_op, mthi_op, mflo_op, mtlo_op, | ||
45 | dsllv_op, spec2_unused_op, dsrlv_op, dsrav_op, | ||
46 | mult_op, multu_op, div_op, divu_op, | ||
47 | dmult_op, dmultu_op, ddiv_op, ddivu_op, | ||
48 | add_op, addu_op, sub_op, subu_op, | ||
49 | and_op, or_op, xor_op, nor_op, | ||
50 | spec3_unused_op, spec4_unused_op, slt_op, sltu_op, | ||
51 | dadd_op, daddu_op, dsub_op, dsubu_op, | ||
52 | tge_op, tgeu_op, tlt_op, tltu_op, | ||
53 | teq_op, spec5_unused_op, tne_op, spec6_unused_op, | ||
54 | dsll_op, spec7_unused_op, dsrl_op, dsra_op, | ||
55 | dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op | ||
56 | }; | ||
57 | |||
58 | /* | ||
59 | * func field of spec2 opcode. | ||
60 | */ | ||
61 | enum spec2_op { | ||
62 | madd_op, maddu_op, mul_op, spec2_3_unused_op, | ||
63 | msub_op, msubu_op, /* more unused ops */ | ||
64 | clz_op = 0x20, clo_op, | ||
65 | dclz_op = 0x24, dclo_op, | ||
66 | sdbpp_op = 0x3f | ||
67 | }; | ||
68 | |||
69 | /* | ||
70 | * func field of spec3 opcode. | ||
71 | */ | ||
72 | enum spec3_op { | ||
73 | ext_op, dextm_op, dextu_op, dext_op, | ||
74 | ins_op, dinsm_op, dinsu_op, dins_op, | ||
75 | bshfl_op = 0x20, | ||
76 | dbshfl_op = 0x24, | ||
77 | rdhwr_op = 0x3b | ||
78 | }; | ||
79 | |||
80 | /* | ||
81 | * rt field of bcond opcodes. | ||
82 | */ | ||
83 | enum rt_op { | ||
84 | bltz_op, bgez_op, bltzl_op, bgezl_op, | ||
85 | spimi_op, unused_rt_op_0x05, unused_rt_op_0x06, unused_rt_op_0x07, | ||
86 | tgei_op, tgeiu_op, tlti_op, tltiu_op, | ||
87 | teqi_op, unused_0x0d_rt_op, tnei_op, unused_0x0f_rt_op, | ||
88 | bltzal_op, bgezal_op, bltzall_op, bgezall_op, | ||
89 | rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17, | ||
90 | rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b, | ||
91 | bposge32_op, rt_op_0x1d, rt_op_0x1e, rt_op_0x1f | ||
92 | }; | ||
93 | |||
94 | /* | ||
95 | * rs field of cop opcodes. | ||
96 | */ | ||
97 | enum cop_op { | ||
98 | mfc_op = 0x00, dmfc_op = 0x01, | ||
99 | cfc_op = 0x02, mtc_op = 0x04, | ||
100 | dmtc_op = 0x05, ctc_op = 0x06, | ||
101 | bc_op = 0x08, cop_op = 0x10, | ||
102 | copm_op = 0x18 | ||
103 | }; | ||
104 | |||
105 | /* | ||
106 | * rt field of cop.bc_op opcodes | ||
107 | */ | ||
108 | enum bcop_op { | ||
109 | bcf_op, bct_op, bcfl_op, bctl_op | ||
110 | }; | ||
111 | |||
112 | /* | ||
113 | * func field of cop0 coi opcodes. | ||
114 | */ | ||
115 | enum cop0_coi_func { | ||
116 | tlbr_op = 0x01, tlbwi_op = 0x02, | ||
117 | tlbwr_op = 0x06, tlbp_op = 0x08, | ||
118 | rfe_op = 0x10, eret_op = 0x18 | ||
119 | }; | ||
120 | |||
121 | /* | ||
122 | * func field of cop0 com opcodes. | ||
123 | */ | ||
124 | enum cop0_com_func { | ||
125 | tlbr1_op = 0x01, tlbw_op = 0x02, | ||
126 | tlbp1_op = 0x08, dctr_op = 0x09, | ||
127 | dctw_op = 0x0a | ||
128 | }; | ||
129 | |||
130 | /* | ||
131 | * fmt field of cop1 opcodes. | ||
132 | */ | ||
133 | enum cop1_fmt { | ||
134 | s_fmt, d_fmt, e_fmt, q_fmt, | ||
135 | w_fmt, l_fmt | ||
136 | }; | ||
137 | |||
138 | /* | ||
139 | * func field of cop1 instructions using d, s or w format. | ||
140 | */ | ||
141 | enum cop1_sdw_func { | ||
142 | fadd_op = 0x00, fsub_op = 0x01, | ||
143 | fmul_op = 0x02, fdiv_op = 0x03, | ||
144 | fsqrt_op = 0x04, fabs_op = 0x05, | ||
145 | fmov_op = 0x06, fneg_op = 0x07, | ||
146 | froundl_op = 0x08, ftruncl_op = 0x09, | ||
147 | fceill_op = 0x0a, ffloorl_op = 0x0b, | ||
148 | fround_op = 0x0c, ftrunc_op = 0x0d, | ||
149 | fceil_op = 0x0e, ffloor_op = 0x0f, | ||
150 | fmovc_op = 0x11, fmovz_op = 0x12, | ||
151 | fmovn_op = 0x13, frecip_op = 0x15, | ||
152 | frsqrt_op = 0x16, fcvts_op = 0x20, | ||
153 | fcvtd_op = 0x21, fcvte_op = 0x22, | ||
154 | fcvtw_op = 0x24, fcvtl_op = 0x25, | ||
155 | fcmp_op = 0x30 | ||
156 | }; | ||
157 | |||
158 | /* | ||
159 | * func field of cop1x opcodes (MIPS IV). | ||
160 | */ | ||
161 | enum cop1x_func { | ||
162 | lwxc1_op = 0x00, ldxc1_op = 0x01, | ||
163 | pfetch_op = 0x07, swxc1_op = 0x08, | ||
164 | sdxc1_op = 0x09, madd_s_op = 0x20, | ||
165 | madd_d_op = 0x21, madd_e_op = 0x22, | ||
166 | msub_s_op = 0x28, msub_d_op = 0x29, | ||
167 | msub_e_op = 0x2a, nmadd_s_op = 0x30, | ||
168 | nmadd_d_op = 0x31, nmadd_e_op = 0x32, | ||
169 | nmsub_s_op = 0x38, nmsub_d_op = 0x39, | ||
170 | nmsub_e_op = 0x3a | ||
171 | }; | ||
172 | |||
173 | /* | ||
174 | * func field for mad opcodes (MIPS IV). | ||
175 | */ | ||
176 | enum mad_func { | ||
177 | madd_fp_op = 0x08, msub_fp_op = 0x0a, | ||
178 | nmadd_fp_op = 0x0c, nmsub_fp_op = 0x0e | ||
179 | }; | ||
180 | |||
181 | /* | ||
182 | * Damn ... bitfields depend from byteorder :-( | ||
183 | */ | ||
184 | #ifdef __MIPSEB__ | ||
185 | struct j_format { /* Jump format */ | ||
186 | unsigned int opcode : 6; | ||
187 | unsigned int target : 26; | ||
188 | }; | ||
189 | |||
190 | struct i_format { /* Immediate format (addi, lw, ...) */ | ||
191 | unsigned int opcode : 6; | ||
192 | unsigned int rs : 5; | ||
193 | unsigned int rt : 5; | ||
194 | signed int simmediate : 16; | ||
195 | }; | ||
196 | |||
197 | struct u_format { /* Unsigned immediate format (ori, xori, ...) */ | ||
198 | unsigned int opcode : 6; | ||
199 | unsigned int rs : 5; | ||
200 | unsigned int rt : 5; | ||
201 | unsigned int uimmediate : 16; | ||
202 | }; | ||
203 | |||
204 | struct c_format { /* Cache (>= R6000) format */ | ||
205 | unsigned int opcode : 6; | ||
206 | unsigned int rs : 5; | ||
207 | unsigned int c_op : 3; | ||
208 | unsigned int cache : 2; | ||
209 | unsigned int simmediate : 16; | ||
210 | }; | ||
211 | |||
212 | struct r_format { /* Register format */ | ||
213 | unsigned int opcode : 6; | ||
214 | unsigned int rs : 5; | ||
215 | unsigned int rt : 5; | ||
216 | unsigned int rd : 5; | ||
217 | unsigned int re : 5; | ||
218 | unsigned int func : 6; | ||
219 | }; | ||
220 | |||
221 | struct p_format { /* Performance counter format (R10000) */ | ||
222 | unsigned int opcode : 6; | ||
223 | unsigned int rs : 5; | ||
224 | unsigned int rt : 5; | ||
225 | unsigned int rd : 5; | ||
226 | unsigned int re : 5; | ||
227 | unsigned int func : 6; | ||
228 | }; | ||
229 | |||
230 | struct f_format { /* FPU register format */ | ||
231 | unsigned int opcode : 6; | ||
232 | unsigned int : 1; | ||
233 | unsigned int fmt : 4; | ||
234 | unsigned int rt : 5; | ||
235 | unsigned int rd : 5; | ||
236 | unsigned int re : 5; | ||
237 | unsigned int func : 6; | ||
238 | }; | ||
239 | |||
240 | struct ma_format { /* FPU multipy and add format (MIPS IV) */ | ||
241 | unsigned int opcode : 6; | ||
242 | unsigned int fr : 5; | ||
243 | unsigned int ft : 5; | ||
244 | unsigned int fs : 5; | ||
245 | unsigned int fd : 5; | ||
246 | unsigned int func : 4; | ||
247 | unsigned int fmt : 2; | ||
248 | }; | ||
249 | |||
250 | #elif defined(__MIPSEL__) | ||
251 | |||
252 | struct j_format { /* Jump format */ | ||
253 | unsigned int target : 26; | ||
254 | unsigned int opcode : 6; | ||
255 | }; | ||
256 | |||
257 | struct i_format { /* Immediate format */ | ||
258 | signed int simmediate : 16; | ||
259 | unsigned int rt : 5; | ||
260 | unsigned int rs : 5; | ||
261 | unsigned int opcode : 6; | ||
262 | }; | ||
263 | |||
264 | struct u_format { /* Unsigned immediate format */ | ||
265 | unsigned int uimmediate : 16; | ||
266 | unsigned int rt : 5; | ||
267 | unsigned int rs : 5; | ||
268 | unsigned int opcode : 6; | ||
269 | }; | ||
270 | |||
271 | struct c_format { /* Cache (>= R6000) format */ | ||
272 | unsigned int simmediate : 16; | ||
273 | unsigned int cache : 2; | ||
274 | unsigned int c_op : 3; | ||
275 | unsigned int rs : 5; | ||
276 | unsigned int opcode : 6; | ||
277 | }; | ||
278 | |||
279 | struct r_format { /* Register format */ | ||
280 | unsigned int func : 6; | ||
281 | unsigned int re : 5; | ||
282 | unsigned int rd : 5; | ||
283 | unsigned int rt : 5; | ||
284 | unsigned int rs : 5; | ||
285 | unsigned int opcode : 6; | ||
286 | }; | ||
287 | |||
288 | struct p_format { /* Performance counter format (R10000) */ | ||
289 | unsigned int func : 6; | ||
290 | unsigned int re : 5; | ||
291 | unsigned int rd : 5; | ||
292 | unsigned int rt : 5; | ||
293 | unsigned int rs : 5; | ||
294 | unsigned int opcode : 6; | ||
295 | }; | ||
296 | |||
297 | struct f_format { /* FPU register format */ | ||
298 | unsigned int func : 6; | ||
299 | unsigned int re : 5; | ||
300 | unsigned int rd : 5; | ||
301 | unsigned int rt : 5; | ||
302 | unsigned int fmt : 4; | ||
303 | unsigned int : 1; | ||
304 | unsigned int opcode : 6; | ||
305 | }; | ||
306 | |||
307 | struct ma_format { /* FPU multipy and add format (MIPS IV) */ | ||
308 | unsigned int fmt : 2; | ||
309 | unsigned int func : 4; | ||
310 | unsigned int fd : 5; | ||
311 | unsigned int fs : 5; | ||
312 | unsigned int ft : 5; | ||
313 | unsigned int fr : 5; | ||
314 | unsigned int opcode : 6; | ||
315 | }; | ||
316 | |||
317 | #else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */ | ||
318 | #error "MIPS but neither __MIPSEL__ nor __MIPSEB__?" | ||
319 | #endif | ||
320 | |||
321 | union mips_instruction { | ||
322 | unsigned int word; | ||
323 | unsigned short halfword[2]; | ||
324 | unsigned char byte[4]; | ||
325 | struct j_format j_format; | ||
326 | struct i_format i_format; | ||
327 | struct u_format u_format; | ||
328 | struct c_format c_format; | ||
329 | struct r_format r_format; | ||
330 | struct f_format f_format; | ||
331 | struct ma_format ma_format; | ||
332 | }; | ||
333 | |||
334 | /* HACHACHAHCAHC ... */ | ||
335 | |||
336 | /* In case some other massaging is needed, keep MIPSInst as wrapper */ | ||
337 | |||
338 | #define MIPSInst(x) x | ||
339 | |||
340 | #define I_OPCODE_SFT 26 | ||
341 | #define MIPSInst_OPCODE(x) (MIPSInst(x) >> I_OPCODE_SFT) | ||
342 | |||
343 | #define I_JTARGET_SFT 0 | ||
344 | #define MIPSInst_JTARGET(x) (MIPSInst(x) & 0x03ffffff) | ||
345 | |||
346 | #define I_RS_SFT 21 | ||
347 | #define MIPSInst_RS(x) ((MIPSInst(x) & 0x03e00000) >> I_RS_SFT) | ||
348 | |||
349 | #define I_RT_SFT 16 | ||
350 | #define MIPSInst_RT(x) ((MIPSInst(x) & 0x001f0000) >> I_RT_SFT) | ||
351 | |||
352 | #define I_IMM_SFT 0 | ||
353 | #define MIPSInst_SIMM(x) ((int)((short)(MIPSInst(x) & 0xffff))) | ||
354 | #define MIPSInst_UIMM(x) (MIPSInst(x) & 0xffff) | ||
355 | |||
356 | #define I_CACHEOP_SFT 18 | ||
357 | #define MIPSInst_CACHEOP(x) ((MIPSInst(x) & 0x001c0000) >> I_CACHEOP_SFT) | ||
358 | |||
359 | #define I_CACHESEL_SFT 16 | ||
360 | #define MIPSInst_CACHESEL(x) ((MIPSInst(x) & 0x00030000) >> I_CACHESEL_SFT) | ||
361 | |||
362 | #define I_RD_SFT 11 | ||
363 | #define MIPSInst_RD(x) ((MIPSInst(x) & 0x0000f800) >> I_RD_SFT) | ||
364 | |||
365 | #define I_RE_SFT 6 | ||
366 | #define MIPSInst_RE(x) ((MIPSInst(x) & 0x000007c0) >> I_RE_SFT) | ||
367 | |||
368 | #define I_FUNC_SFT 0 | ||
369 | #define MIPSInst_FUNC(x) (MIPSInst(x) & 0x0000003f) | ||
370 | |||
371 | #define I_FFMT_SFT 21 | ||
372 | #define MIPSInst_FFMT(x) ((MIPSInst(x) & 0x01e00000) >> I_FFMT_SFT) | ||
373 | |||
374 | #define I_FT_SFT 16 | ||
375 | #define MIPSInst_FT(x) ((MIPSInst(x) & 0x001f0000) >> I_FT_SFT) | ||
376 | |||
377 | #define I_FS_SFT 11 | ||
378 | #define MIPSInst_FS(x) ((MIPSInst(x) & 0x0000f800) >> I_FS_SFT) | ||
379 | |||
380 | #define I_FD_SFT 6 | ||
381 | #define MIPSInst_FD(x) ((MIPSInst(x) & 0x000007c0) >> I_FD_SFT) | ||
382 | |||
383 | #define I_FR_SFT 21 | ||
384 | #define MIPSInst_FR(x) ((MIPSInst(x) & 0x03e00000) >> I_FR_SFT) | ||
385 | |||
386 | #define I_FMA_FUNC_SFT 2 | ||
387 | #define MIPSInst_FMA_FUNC(x) ((MIPSInst(x) & 0x0000003c) >> I_FMA_FUNC_SFT) | ||
388 | |||
389 | #define I_FMA_FFMT_SFT 0 | ||
390 | #define MIPSInst_FMA_FFMT(x) (MIPSInst(x) & 0x00000003) | ||
391 | |||
392 | typedef unsigned int mips_instruction; | ||
393 | |||
394 | #endif /* _ASM_INST_H */ | ||