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79aceca5 FB |
1 | /* |
2 | * PPC emulation for qemu: main translation routines. | |
3 | * | |
4 | * Copyright (c) 2003 Jocelyn Mayer | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | #include "dyngen-exec.h" | |
21 | #include "cpu.h" | |
22 | #include "exec.h" | |
23 | #include "disas.h" | |
24 | ||
25 | //#define DO_SINGLE_STEP | |
26 | //#define DO_STEP_FLUSH | |
9a64fbe4 | 27 | //#define DEBUG_DISAS |
79aceca5 FB |
28 | |
29 | enum { | |
30 | #define DEF(s, n, copy_size) INDEX_op_ ## s, | |
31 | #include "opc.h" | |
32 | #undef DEF | |
33 | NB_OPS, | |
34 | }; | |
35 | ||
36 | static uint16_t *gen_opc_ptr; | |
37 | static uint32_t *gen_opparam_ptr; | |
38 | ||
39 | #include "gen-op.h" | |
28b6751f | 40 | |
28b6751f | 41 | #define GEN8(func, NAME) \ |
9a64fbe4 FB |
42 | static GenOpFunc *NAME ## _table [8] = { \ |
43 | NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ | |
44 | NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ | |
45 | }; \ | |
46 | static inline void func(int n) \ | |
47 | { \ | |
48 | NAME ## _table[n](); \ | |
49 | } | |
50 | ||
51 | #define GEN16(func, NAME) \ | |
52 | static GenOpFunc *NAME ## _table [16] = { \ | |
53 | NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ | |
54 | NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ | |
55 | NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ | |
56 | NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ | |
57 | }; \ | |
58 | static inline void func(int n) \ | |
59 | { \ | |
60 | NAME ## _table[n](); \ | |
28b6751f FB |
61 | } |
62 | ||
63 | #define GEN32(func, NAME) \ | |
9a64fbe4 FB |
64 | static GenOpFunc *NAME ## _table [32] = { \ |
65 | NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ | |
66 | NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ | |
67 | NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ | |
68 | NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ | |
69 | NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ | |
70 | NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ | |
71 | NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ | |
72 | NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ | |
73 | }; \ | |
74 | static inline void func(int n) \ | |
75 | { \ | |
76 | NAME ## _table[n](); \ | |
77 | } | |
78 | ||
79 | /* Condition register moves */ | |
80 | GEN8(gen_op_load_crf_T0, gen_op_load_crf_T0_crf); | |
81 | GEN8(gen_op_load_crf_T1, gen_op_load_crf_T1_crf); | |
82 | GEN8(gen_op_store_T0_crf, gen_op_store_T0_crf_crf); | |
83 | GEN8(gen_op_store_T1_crf, gen_op_store_T1_crf_crf); | |
28b6751f | 84 | |
fb0eaffc FB |
85 | /* Floating point condition and status register moves */ |
86 | GEN8(gen_op_load_fpscr_T0, gen_op_load_fpscr_T0_fpscr); | |
87 | GEN8(gen_op_store_T0_fpscr, gen_op_store_T0_fpscr_fpscr); | |
88 | GEN8(gen_op_clear_fpscr, gen_op_clear_fpscr_fpscr); | |
89 | static GenOpFunc1 *gen_op_store_T0_fpscri_fpscr_table[8] = { | |
90 | &gen_op_store_T0_fpscri_fpscr0, | |
91 | &gen_op_store_T0_fpscri_fpscr1, | |
92 | &gen_op_store_T0_fpscri_fpscr2, | |
93 | &gen_op_store_T0_fpscri_fpscr3, | |
94 | &gen_op_store_T0_fpscri_fpscr4, | |
95 | &gen_op_store_T0_fpscri_fpscr5, | |
96 | &gen_op_store_T0_fpscri_fpscr6, | |
97 | &gen_op_store_T0_fpscri_fpscr7, | |
98 | }; | |
99 | static inline void gen_op_store_T0_fpscri(int n, uint8_t param) | |
100 | { | |
101 | (*gen_op_store_T0_fpscri_fpscr_table[n])(param); | |
102 | } | |
103 | ||
9a64fbe4 FB |
104 | /* Segment register moves */ |
105 | GEN16(gen_op_load_sr, gen_op_load_sr); | |
106 | GEN16(gen_op_store_sr, gen_op_store_sr); | |
28b6751f | 107 | |
9a64fbe4 FB |
108 | /* General purpose registers moves */ |
109 | GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); | |
110 | GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); | |
111 | GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); | |
112 | ||
113 | GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); | |
114 | GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); | |
115 | GEN32(gen_op_store_T2_gpr, gen_op_store_T2_gpr_gpr); | |
28b6751f | 116 | |
fb0eaffc FB |
117 | /* floating point registers moves */ |
118 | GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fpr); | |
119 | GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fpr); | |
120 | GEN32(gen_op_load_fpr_FT2, gen_op_load_fpr_FT2_fpr); | |
121 | GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fpr); | |
122 | GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fpr); | |
123 | GEN32(gen_op_store_FT2_fpr, gen_op_store_FT2_fpr_fpr); | |
79aceca5 FB |
124 | |
125 | static uint8_t spr_access[1024 / 2]; | |
126 | ||
127 | /* internal defines */ | |
128 | typedef struct DisasContext { | |
129 | struct TranslationBlock *tb; | |
130 | uint32_t *nip; | |
131 | uint32_t opcode; | |
9a64fbe4 FB |
132 | uint32_t exception; |
133 | /* Time base offset */ | |
79aceca5 | 134 | uint32_t tb_offset; |
9a64fbe4 FB |
135 | /* Decrementer offset */ |
136 | uint32_t decr_offset; | |
137 | /* Execution mode */ | |
138 | #if !defined(CONFIG_USER_ONLY) | |
79aceca5 | 139 | int supervisor; |
9a64fbe4 FB |
140 | #endif |
141 | /* Routine used to access memory */ | |
142 | int mem_idx; | |
79aceca5 FB |
143 | } DisasContext; |
144 | ||
145 | typedef struct opc_handler_t { | |
146 | /* invalid bits */ | |
147 | uint32_t inval; | |
9a64fbe4 FB |
148 | /* instruction type */ |
149 | uint32_t type; | |
79aceca5 FB |
150 | /* handler */ |
151 | void (*handler)(DisasContext *ctx); | |
152 | } opc_handler_t; | |
153 | ||
9a64fbe4 | 154 | #define RET_EXCP(excp, error) \ |
79aceca5 | 155 | do { \ |
9a64fbe4 FB |
156 | gen_op_queue_exception_err(excp, error); \ |
157 | ctx->exception = excp; \ | |
79aceca5 FB |
158 | return; \ |
159 | } while (0) | |
160 | ||
9a64fbe4 FB |
161 | #define RET_INVAL() \ |
162 | RET_EXCP(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL) | |
163 | ||
164 | #define RET_PRIVOPC() \ | |
165 | RET_EXCP(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_OPC) | |
166 | ||
167 | #define RET_PRIVREG() \ | |
168 | RET_EXCP(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG) | |
79aceca5 FB |
169 | |
170 | #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ | |
171 | static void gen_##name (DisasContext *ctx); \ | |
172 | GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \ | |
173 | static void gen_##name (DisasContext *ctx) | |
174 | ||
79aceca5 FB |
175 | typedef struct opcode_t { |
176 | unsigned char opc1, opc2, opc3; | |
79aceca5 FB |
177 | opc_handler_t handler; |
178 | } opcode_t; | |
179 | ||
180 | /* XXX: move that elsewhere */ | |
181 | extern FILE *logfile; | |
182 | extern int loglevel; | |
183 | ||
79aceca5 FB |
184 | /*** Instruction decoding ***/ |
185 | #define EXTRACT_HELPER(name, shift, nb) \ | |
186 | static inline uint32_t name (uint32_t opcode) \ | |
187 | { \ | |
188 | return (opcode >> (shift)) & ((1 << (nb)) - 1); \ | |
189 | } | |
190 | ||
191 | #define EXTRACT_SHELPER(name, shift, nb) \ | |
192 | static inline int32_t name (uint32_t opcode) \ | |
193 | { \ | |
194 | return s_ext16((opcode >> (shift)) & ((1 << (nb)) - 1)); \ | |
195 | } | |
196 | ||
197 | /* Opcode part 1 */ | |
198 | EXTRACT_HELPER(opc1, 26, 6); | |
199 | /* Opcode part 2 */ | |
200 | EXTRACT_HELPER(opc2, 1, 5); | |
201 | /* Opcode part 3 */ | |
202 | EXTRACT_HELPER(opc3, 6, 5); | |
203 | /* Update Cr0 flags */ | |
204 | EXTRACT_HELPER(Rc, 0, 1); | |
205 | /* Destination */ | |
206 | EXTRACT_HELPER(rD, 21, 5); | |
207 | /* Source */ | |
208 | EXTRACT_HELPER(rS, 21, 5); | |
209 | /* First operand */ | |
210 | EXTRACT_HELPER(rA, 16, 5); | |
211 | /* Second operand */ | |
212 | EXTRACT_HELPER(rB, 11, 5); | |
213 | /* Third operand */ | |
214 | EXTRACT_HELPER(rC, 6, 5); | |
215 | /*** Get CRn ***/ | |
216 | EXTRACT_HELPER(crfD, 23, 3); | |
217 | EXTRACT_HELPER(crfS, 18, 3); | |
218 | EXTRACT_HELPER(crbD, 21, 5); | |
219 | EXTRACT_HELPER(crbA, 16, 5); | |
220 | EXTRACT_HELPER(crbB, 11, 5); | |
221 | /* SPR / TBL */ | |
222 | EXTRACT_HELPER(SPR, 11, 10); | |
223 | /*** Get constants ***/ | |
224 | EXTRACT_HELPER(IMM, 12, 8); | |
225 | /* 16 bits signed immediate value */ | |
226 | EXTRACT_SHELPER(SIMM, 0, 16); | |
227 | /* 16 bits unsigned immediate value */ | |
228 | EXTRACT_HELPER(UIMM, 0, 16); | |
229 | /* Bit count */ | |
230 | EXTRACT_HELPER(NB, 11, 5); | |
231 | /* Shift count */ | |
232 | EXTRACT_HELPER(SH, 11, 5); | |
233 | /* Mask start */ | |
234 | EXTRACT_HELPER(MB, 6, 5); | |
235 | /* Mask end */ | |
236 | EXTRACT_HELPER(ME, 1, 5); | |
fb0eaffc FB |
237 | /* Trap operand */ |
238 | EXTRACT_HELPER(TO, 21, 5); | |
79aceca5 FB |
239 | |
240 | EXTRACT_HELPER(CRM, 12, 8); | |
241 | EXTRACT_HELPER(FM, 17, 8); | |
242 | EXTRACT_HELPER(SR, 16, 4); | |
fb0eaffc FB |
243 | EXTRACT_HELPER(FPIMM, 20, 4); |
244 | ||
79aceca5 FB |
245 | /*** Jump target decoding ***/ |
246 | /* Displacement */ | |
247 | EXTRACT_SHELPER(d, 0, 16); | |
248 | /* Immediate address */ | |
249 | static inline uint32_t LI (uint32_t opcode) | |
250 | { | |
251 | return (opcode >> 0) & 0x03FFFFFC; | |
252 | } | |
253 | ||
254 | static inline uint32_t BD (uint32_t opcode) | |
255 | { | |
256 | return (opcode >> 0) & 0xFFFC; | |
257 | } | |
258 | ||
259 | EXTRACT_HELPER(BO, 21, 5); | |
260 | EXTRACT_HELPER(BI, 16, 5); | |
261 | /* Absolute/relative address */ | |
262 | EXTRACT_HELPER(AA, 1, 1); | |
263 | /* Link */ | |
264 | EXTRACT_HELPER(LK, 0, 1); | |
265 | ||
266 | /* Create a mask between <start> and <end> bits */ | |
267 | static inline uint32_t MASK (uint32_t start, uint32_t end) | |
268 | { | |
269 | uint32_t ret; | |
270 | ||
271 | ret = (((uint32_t)(-1)) >> (start)) ^ (((uint32_t)(-1) >> (end)) >> 1); | |
272 | if (start > end) | |
273 | return ~ret; | |
274 | ||
275 | return ret; | |
276 | } | |
277 | ||
278 | #define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \ | |
279 | __attribute__ ((section(".opcodes"), unused)) \ | |
280 | static opcode_t opc_##name = { \ | |
281 | .opc1 = op1, \ | |
282 | .opc2 = op2, \ | |
283 | .opc3 = op3, \ | |
79aceca5 FB |
284 | .handler = { \ |
285 | .inval = invl, \ | |
9a64fbe4 | 286 | .type = _typ, \ |
79aceca5 FB |
287 | .handler = &gen_##name, \ |
288 | }, \ | |
289 | } | |
290 | ||
291 | #define GEN_OPCODE_MARK(name) \ | |
292 | __attribute__ ((section(".opcodes"), unused)) \ | |
293 | static opcode_t opc_##name = { \ | |
294 | .opc1 = 0xFF, \ | |
295 | .opc2 = 0xFF, \ | |
296 | .opc3 = 0xFF, \ | |
79aceca5 FB |
297 | .handler = { \ |
298 | .inval = 0x00000000, \ | |
9a64fbe4 | 299 | .type = 0x00, \ |
79aceca5 FB |
300 | .handler = NULL, \ |
301 | }, \ | |
302 | } | |
303 | ||
304 | /* Start opcode list */ | |
305 | GEN_OPCODE_MARK(start); | |
306 | ||
307 | /* Invalid instruction */ | |
9a64fbe4 FB |
308 | GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE) |
309 | { | |
310 | RET_INVAL(); | |
311 | } | |
312 | ||
313 | /* Special opcode to stop emulation */ | |
314 | GEN_HANDLER(stop, 0x06, 0x00, 0xFF, 0x03FFFFC1, PPC_COMMON) | |
79aceca5 | 315 | { |
9a64fbe4 FB |
316 | gen_op_queue_exception(EXCP_HLT); |
317 | ctx->exception = EXCP_HLT; | |
318 | } | |
319 | ||
320 | /* Special opcode to call open-firmware */ | |
321 | GEN_HANDLER(of_enter, 0x06, 0x01, 0xFF, 0x03FFFFC1, PPC_COMMON) | |
322 | { | |
323 | gen_op_queue_exception(EXCP_OFCALL); | |
324 | ctx->exception = EXCP_OFCALL; | |
325 | } | |
326 | ||
327 | /* Special opcode to call RTAS */ | |
328 | GEN_HANDLER(rtas_enter, 0x06, 0x02, 0xFF, 0x03FFFFC1, PPC_COMMON) | |
329 | { | |
330 | printf("RTAS entry point !\n"); | |
331 | gen_op_queue_exception(EXCP_RTASCALL); | |
332 | ctx->exception = EXCP_RTASCALL; | |
79aceca5 FB |
333 | } |
334 | ||
335 | static opc_handler_t invalid_handler = { | |
336 | .inval = 0xFFFFFFFF, | |
9a64fbe4 | 337 | .type = PPC_NONE, |
79aceca5 FB |
338 | .handler = gen_invalid, |
339 | }; | |
340 | ||
341 | /*** Integer arithmetic ***/ | |
342 | #define __GEN_INT_ARITH2(name, opc1, opc2, opc3, inval) \ | |
343 | GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \ | |
344 | { \ | |
345 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
346 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
347 | gen_op_##name(); \ | |
348 | if (Rc(ctx->opcode) != 0) \ | |
349 | gen_op_set_Rc0(); \ | |
350 | gen_op_store_T0_gpr(rD(ctx->opcode)); \ | |
79aceca5 FB |
351 | } |
352 | ||
353 | #define __GEN_INT_ARITH2_O(name, opc1, opc2, opc3, inval) \ | |
354 | GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \ | |
355 | { \ | |
356 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
357 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
358 | gen_op_##name(); \ | |
359 | if (Rc(ctx->opcode) != 0) \ | |
360 | gen_op_set_Rc0_ov(); \ | |
361 | gen_op_store_T0_gpr(rD(ctx->opcode)); \ | |
79aceca5 FB |
362 | } |
363 | ||
364 | #define __GEN_INT_ARITH1(name, opc1, opc2, opc3) \ | |
365 | GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \ | |
366 | { \ | |
367 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
368 | gen_op_##name(); \ | |
369 | if (Rc(ctx->opcode) != 0) \ | |
370 | gen_op_set_Rc0(); \ | |
371 | gen_op_store_T0_gpr(rD(ctx->opcode)); \ | |
79aceca5 FB |
372 | } |
373 | #define __GEN_INT_ARITH1_O(name, opc1, opc2, opc3) \ | |
374 | GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \ | |
375 | { \ | |
376 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
377 | gen_op_##name(); \ | |
378 | if (Rc(ctx->opcode) != 0) \ | |
379 | gen_op_set_Rc0_ov(); \ | |
380 | gen_op_store_T0_gpr(rD(ctx->opcode)); \ | |
79aceca5 FB |
381 | } |
382 | ||
383 | /* Two operands arithmetic functions */ | |
384 | #define GEN_INT_ARITH2(name, opc1, opc2, opc3) \ | |
385 | __GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000000) \ | |
386 | __GEN_INT_ARITH2_O(name##o, opc1, opc2, opc3 | 0x10, 0x00000000) | |
387 | ||
388 | /* Two operands arithmetic functions with no overflow allowed */ | |
389 | #define GEN_INT_ARITHN(name, opc1, opc2, opc3) \ | |
390 | __GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000400) | |
391 | ||
392 | /* One operand arithmetic functions */ | |
393 | #define GEN_INT_ARITH1(name, opc1, opc2, opc3) \ | |
394 | __GEN_INT_ARITH1(name, opc1, opc2, opc3) \ | |
395 | __GEN_INT_ARITH1_O(name##o, opc1, opc2, opc3 | 0x10) | |
396 | ||
397 | /* add add. addo addo. */ | |
398 | GEN_INT_ARITH2 (add, 0x1F, 0x0A, 0x08); | |
399 | /* addc addc. addco addco. */ | |
400 | GEN_INT_ARITH2 (addc, 0x1F, 0x0A, 0x00); | |
401 | /* adde adde. addeo addeo. */ | |
402 | GEN_INT_ARITH2 (adde, 0x1F, 0x0A, 0x04); | |
403 | /* addme addme. addmeo addmeo. */ | |
404 | GEN_INT_ARITH1 (addme, 0x1F, 0x0A, 0x07); | |
405 | /* addze addze. addzeo addzeo. */ | |
406 | GEN_INT_ARITH1 (addze, 0x1F, 0x0A, 0x06); | |
407 | /* divw divw. divwo divwo. */ | |
408 | GEN_INT_ARITH2 (divw, 0x1F, 0x0B, 0x0F); | |
409 | /* divwu divwu. divwuo divwuo. */ | |
410 | GEN_INT_ARITH2 (divwu, 0x1F, 0x0B, 0x0E); | |
411 | /* mulhw mulhw. */ | |
412 | GEN_INT_ARITHN (mulhw, 0x1F, 0x0B, 0x02); | |
413 | /* mulhwu mulhwu. */ | |
414 | GEN_INT_ARITHN (mulhwu, 0x1F, 0x0B, 0x00); | |
415 | /* mullw mullw. mullwo mullwo. */ | |
416 | GEN_INT_ARITH2 (mullw, 0x1F, 0x0B, 0x07); | |
417 | /* neg neg. nego nego. */ | |
418 | GEN_INT_ARITH1 (neg, 0x1F, 0x08, 0x03); | |
419 | /* subf subf. subfo subfo. */ | |
420 | GEN_INT_ARITH2 (subf, 0x1F, 0x08, 0x01); | |
421 | /* subfc subfc. subfco subfco. */ | |
422 | GEN_INT_ARITH2 (subfc, 0x1F, 0x08, 0x00); | |
423 | /* subfe subfe. subfeo subfeo. */ | |
424 | GEN_INT_ARITH2 (subfe, 0x1F, 0x08, 0x04); | |
425 | /* subfme subfme. subfmeo subfmeo. */ | |
426 | GEN_INT_ARITH1 (subfme, 0x1F, 0x08, 0x07); | |
427 | /* subfze subfze. subfzeo subfzeo. */ | |
428 | GEN_INT_ARITH1 (subfze, 0x1F, 0x08, 0x06); | |
429 | /* addi */ | |
430 | GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
431 | { | |
432 | int32_t simm = SIMM(ctx->opcode); | |
433 | ||
434 | if (rA(ctx->opcode) == 0) { | |
435 | gen_op_set_T0(simm); | |
436 | } else { | |
437 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
438 | gen_op_addi(simm); | |
439 | } | |
440 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
441 | } |
442 | /* addic */ | |
443 | GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
444 | { | |
445 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
446 | gen_op_addic(SIMM(ctx->opcode)); | |
447 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
448 | } |
449 | /* addic. */ | |
450 | GEN_HANDLER(addic_, 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
451 | { | |
452 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
453 | gen_op_addic(SIMM(ctx->opcode)); | |
454 | gen_op_set_Rc0(); | |
455 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
456 | } |
457 | /* addis */ | |
458 | GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
459 | { | |
460 | int32_t simm = SIMM(ctx->opcode); | |
461 | ||
462 | if (rA(ctx->opcode) == 0) { | |
463 | gen_op_set_T0(simm << 16); | |
464 | } else { | |
465 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
466 | gen_op_addi(simm << 16); | |
467 | } | |
468 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
469 | } |
470 | /* mulli */ | |
471 | GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
472 | { | |
473 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
474 | gen_op_mulli(SIMM(ctx->opcode)); | |
475 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
476 | } |
477 | /* subfic */ | |
478 | GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
479 | { | |
480 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
481 | gen_op_subfic(SIMM(ctx->opcode)); | |
482 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
483 | } |
484 | ||
485 | /*** Integer comparison ***/ | |
486 | #define GEN_CMP(name, opc) \ | |
487 | GEN_HANDLER(name, 0x1F, 0x00, opc, 0x00400000, PPC_INTEGER) \ | |
488 | { \ | |
489 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
490 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
491 | gen_op_##name(); \ | |
492 | gen_op_store_T0_crf(crfD(ctx->opcode)); \ | |
79aceca5 FB |
493 | } |
494 | ||
495 | /* cmp */ | |
496 | GEN_CMP(cmp, 0x00); | |
497 | /* cmpi */ | |
498 | GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) | |
499 | { | |
500 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
501 | gen_op_cmpi(SIMM(ctx->opcode)); | |
502 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
79aceca5 FB |
503 | } |
504 | /* cmpl */ | |
505 | GEN_CMP(cmpl, 0x01); | |
506 | /* cmpli */ | |
507 | GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) | |
508 | { | |
509 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
510 | gen_op_cmpli(UIMM(ctx->opcode)); | |
511 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
79aceca5 FB |
512 | } |
513 | ||
514 | /*** Integer logical ***/ | |
515 | #define __GEN_LOGICAL2(name, opc2, opc3) \ | |
516 | GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000000, PPC_INTEGER) \ | |
517 | { \ | |
518 | gen_op_load_gpr_T0(rS(ctx->opcode)); \ | |
519 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
520 | gen_op_##name(); \ | |
521 | if (Rc(ctx->opcode) != 0) \ | |
522 | gen_op_set_Rc0(); \ | |
523 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ | |
79aceca5 FB |
524 | } |
525 | #define GEN_LOGICAL2(name, opc) \ | |
526 | __GEN_LOGICAL2(name, 0x1C, opc) | |
527 | ||
528 | #define GEN_LOGICAL1(name, opc) \ | |
529 | GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, PPC_INTEGER) \ | |
530 | { \ | |
531 | gen_op_load_gpr_T0(rS(ctx->opcode)); \ | |
532 | gen_op_##name(); \ | |
533 | if (Rc(ctx->opcode) != 0) \ | |
534 | gen_op_set_Rc0(); \ | |
535 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ | |
79aceca5 FB |
536 | } |
537 | ||
538 | /* and & and. */ | |
539 | GEN_LOGICAL2(and, 0x00); | |
540 | /* andc & andc. */ | |
541 | GEN_LOGICAL2(andc, 0x01); | |
542 | /* andi. */ | |
543 | GEN_HANDLER(andi_, 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
544 | { | |
545 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
546 | gen_op_andi_(UIMM(ctx->opcode)); | |
547 | gen_op_set_Rc0(); | |
548 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
549 | } |
550 | /* andis. */ | |
551 | GEN_HANDLER(andis_, 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
552 | { | |
553 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
554 | gen_op_andi_(UIMM(ctx->opcode) << 16); | |
555 | gen_op_set_Rc0(); | |
556 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
557 | } |
558 | ||
559 | /* cntlzw */ | |
560 | GEN_LOGICAL1(cntlzw, 0x00); | |
561 | /* eqv & eqv. */ | |
562 | GEN_LOGICAL2(eqv, 0x08); | |
563 | /* extsb & extsb. */ | |
564 | GEN_LOGICAL1(extsb, 0x1D); | |
565 | /* extsh & extsh. */ | |
566 | GEN_LOGICAL1(extsh, 0x1C); | |
567 | /* nand & nand. */ | |
568 | GEN_LOGICAL2(nand, 0x0E); | |
569 | /* nor & nor. */ | |
570 | GEN_LOGICAL2(nor, 0x03); | |
9a64fbe4 | 571 | |
79aceca5 | 572 | /* or & or. */ |
9a64fbe4 FB |
573 | GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) |
574 | { | |
575 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
576 | /* Optimisation for mr case */ | |
577 | if (rS(ctx->opcode) != rB(ctx->opcode)) { | |
578 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
579 | gen_op_or(); | |
580 | } | |
581 | if (Rc(ctx->opcode) != 0) | |
582 | gen_op_set_Rc0(); | |
583 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
584 | } | |
585 | ||
79aceca5 FB |
586 | /* orc & orc. */ |
587 | GEN_LOGICAL2(orc, 0x0C); | |
588 | /* xor & xor. */ | |
9a64fbe4 FB |
589 | GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER) |
590 | { | |
591 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
592 | /* Optimisation for "set to zero" case */ | |
593 | if (rS(ctx->opcode) != rB(ctx->opcode)) { | |
594 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
595 | gen_op_xor(); | |
596 | } else { | |
597 | gen_op_set_T0(0); | |
598 | } | |
599 | if (Rc(ctx->opcode) != 0) | |
600 | gen_op_set_Rc0(); | |
601 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
602 | } | |
79aceca5 FB |
603 | /* ori */ |
604 | GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
605 | { | |
606 | uint32_t uimm = UIMM(ctx->opcode); | |
607 | ||
9a64fbe4 FB |
608 | if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { |
609 | /* NOP */ | |
610 | return; | |
79aceca5 | 611 | } |
79aceca5 | 612 | gen_op_load_gpr_T0(rS(ctx->opcode)); |
9a64fbe4 | 613 | if (uimm != 0) |
79aceca5 FB |
614 | gen_op_ori(uimm); |
615 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
616 | } |
617 | /* oris */ | |
618 | GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
619 | { | |
620 | uint32_t uimm = UIMM(ctx->opcode); | |
621 | ||
9a64fbe4 FB |
622 | if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { |
623 | /* NOP */ | |
624 | return; | |
79aceca5 | 625 | } |
79aceca5 | 626 | gen_op_load_gpr_T0(rS(ctx->opcode)); |
9a64fbe4 | 627 | if (uimm != 0) |
79aceca5 FB |
628 | gen_op_ori(uimm << 16); |
629 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
630 | } |
631 | /* xori */ | |
632 | GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
633 | { | |
9a64fbe4 FB |
634 | uint32_t uimm = UIMM(ctx->opcode); |
635 | ||
636 | if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { | |
637 | /* NOP */ | |
638 | return; | |
639 | } | |
79aceca5 | 640 | gen_op_load_gpr_T0(rS(ctx->opcode)); |
9a64fbe4 | 641 | if (uimm != 0) |
79aceca5 FB |
642 | gen_op_xori(UIMM(ctx->opcode)); |
643 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
644 | } |
645 | ||
646 | /* xoris */ | |
647 | GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
648 | { | |
9a64fbe4 FB |
649 | uint32_t uimm = UIMM(ctx->opcode); |
650 | ||
651 | if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { | |
652 | /* NOP */ | |
653 | return; | |
654 | } | |
79aceca5 | 655 | gen_op_load_gpr_T0(rS(ctx->opcode)); |
9a64fbe4 | 656 | if (uimm != 0) |
79aceca5 FB |
657 | gen_op_xori(UIMM(ctx->opcode) << 16); |
658 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
659 | } |
660 | ||
661 | /*** Integer rotate ***/ | |
662 | /* rlwimi & rlwimi. */ | |
663 | GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
664 | { | |
665 | uint32_t mb, me; | |
666 | ||
667 | mb = MB(ctx->opcode); | |
668 | me = ME(ctx->opcode); | |
669 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
fb0eaffc | 670 | gen_op_load_gpr_T1(rA(ctx->opcode)); |
79aceca5 FB |
671 | gen_op_rlwimi(SH(ctx->opcode), MASK(mb, me), ~MASK(mb, me)); |
672 | if (Rc(ctx->opcode) != 0) | |
673 | gen_op_set_Rc0(); | |
674 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
675 | } |
676 | /* rlwinm & rlwinm. */ | |
677 | GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
678 | { | |
679 | uint32_t mb, me, sh; | |
680 | ||
681 | sh = SH(ctx->opcode); | |
682 | mb = MB(ctx->opcode); | |
683 | me = ME(ctx->opcode); | |
684 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
79aceca5 FB |
685 | if (mb == 0) { |
686 | if (me == 31) { | |
687 | gen_op_rotlwi(sh); | |
688 | goto store; | |
689 | } else if (me == (31 - sh)) { | |
690 | gen_op_slwi(sh); | |
691 | goto store; | |
692 | } else if (sh == 0) { | |
693 | gen_op_andi_(MASK(0, me)); | |
694 | goto store; | |
695 | } | |
696 | } else if (me == 31) { | |
697 | if (sh == (32 - mb)) { | |
698 | gen_op_srwi(mb); | |
699 | goto store; | |
700 | } else if (sh == 0) { | |
701 | gen_op_andi_(MASK(mb, 31)); | |
702 | goto store; | |
703 | } | |
704 | } | |
705 | gen_op_rlwinm(sh, MASK(mb, me)); | |
706 | store: | |
707 | if (Rc(ctx->opcode) != 0) | |
708 | gen_op_set_Rc0(); | |
709 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
710 | } |
711 | /* rlwnm & rlwnm. */ | |
712 | GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
713 | { | |
714 | uint32_t mb, me; | |
715 | ||
716 | mb = MB(ctx->opcode); | |
717 | me = ME(ctx->opcode); | |
718 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
719 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
720 | if (mb == 0 && me == 31) { | |
721 | gen_op_rotl(); | |
722 | } else | |
723 | { | |
724 | gen_op_rlwnm(MASK(mb, me)); | |
725 | } | |
726 | if (Rc(ctx->opcode) != 0) | |
727 | gen_op_set_Rc0(); | |
728 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
729 | } |
730 | ||
731 | /*** Integer shift ***/ | |
732 | /* slw & slw. */ | |
733 | __GEN_LOGICAL2(slw, 0x18, 0x00); | |
734 | /* sraw & sraw. */ | |
735 | __GEN_LOGICAL2(sraw, 0x18, 0x18); | |
736 | /* srawi & srawi. */ | |
737 | GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER) | |
738 | { | |
739 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
740 | gen_op_srawi(SH(ctx->opcode), MASK(32 - SH(ctx->opcode), 31)); | |
741 | if (Rc(ctx->opcode) != 0) | |
742 | gen_op_set_Rc0(); | |
743 | gen_op_store_T0_gpr(rA(ctx->opcode)); | |
79aceca5 FB |
744 | } |
745 | /* srw & srw. */ | |
746 | __GEN_LOGICAL2(srw, 0x18, 0x10); | |
747 | ||
748 | /*** Floating-Point arithmetic ***/ | |
9a64fbe4 FB |
749 | #define _GEN_FLOAT_ACB(name, op1, op2) \ |
750 | GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, PPC_FLOAT) \ | |
751 | { \ | |
752 | gen_op_reset_scrfx(); \ | |
753 | gen_op_load_fpr_FT0(rA(ctx->opcode)); \ | |
754 | gen_op_load_fpr_FT1(rC(ctx->opcode)); \ | |
755 | gen_op_load_fpr_FT2(rB(ctx->opcode)); \ | |
756 | gen_op_f##name(); \ | |
757 | gen_op_store_FT0_fpr(rD(ctx->opcode)); \ | |
758 | if (Rc(ctx->opcode)) \ | |
759 | gen_op_set_Rc1(); \ | |
760 | } | |
761 | ||
762 | #define GEN_FLOAT_ACB(name, op2) \ | |
763 | _GEN_FLOAT_ACB(name, 0x3F, op2); \ | |
764 | _GEN_FLOAT_ACB(name##s, 0x3B, op2); | |
765 | ||
766 | #define _GEN_FLOAT_AB(name, op1, op2, inval) \ | |
767 | GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ | |
768 | { \ | |
769 | gen_op_reset_scrfx(); \ | |
770 | gen_op_load_fpr_FT0(rA(ctx->opcode)); \ | |
771 | gen_op_load_fpr_FT1(rB(ctx->opcode)); \ | |
772 | gen_op_f##name(); \ | |
773 | gen_op_store_FT0_fpr(rD(ctx->opcode)); \ | |
774 | if (Rc(ctx->opcode)) \ | |
775 | gen_op_set_Rc1(); \ | |
776 | } | |
777 | #define GEN_FLOAT_AB(name, op2, inval) \ | |
778 | _GEN_FLOAT_AB(name, 0x3F, op2, inval); \ | |
779 | _GEN_FLOAT_AB(name##s, 0x3B, op2, inval); | |
780 | ||
781 | #define _GEN_FLOAT_AC(name, op1, op2, inval) \ | |
782 | GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ | |
783 | { \ | |
784 | gen_op_reset_scrfx(); \ | |
785 | gen_op_load_fpr_FT0(rA(ctx->opcode)); \ | |
786 | gen_op_load_fpr_FT1(rC(ctx->opcode)); \ | |
787 | gen_op_f##name(); \ | |
788 | gen_op_store_FT0_fpr(rD(ctx->opcode)); \ | |
789 | if (Rc(ctx->opcode)) \ | |
790 | gen_op_set_Rc1(); \ | |
791 | } | |
792 | #define GEN_FLOAT_AC(name, op2, inval) \ | |
793 | _GEN_FLOAT_AC(name, 0x3F, op2, inval); \ | |
794 | _GEN_FLOAT_AC(name##s, 0x3B, op2, inval); | |
795 | ||
796 | #define GEN_FLOAT_B(name, op2, op3) \ | |
797 | GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, PPC_FLOAT) \ | |
798 | { \ | |
799 | gen_op_reset_scrfx(); \ | |
800 | gen_op_load_fpr_FT0(rB(ctx->opcode)); \ | |
801 | gen_op_f##name(); \ | |
802 | gen_op_store_FT0_fpr(rD(ctx->opcode)); \ | |
803 | if (Rc(ctx->opcode)) \ | |
804 | gen_op_set_Rc1(); \ | |
79aceca5 FB |
805 | } |
806 | ||
9a64fbe4 FB |
807 | #define GEN_FLOAT_BS(name, op2) \ |
808 | GEN_HANDLER(f##name, 0x3F, op2, 0xFF, 0x001F07C0, PPC_FLOAT) \ | |
809 | { \ | |
810 | gen_op_reset_scrfx(); \ | |
811 | gen_op_load_fpr_FT0(rB(ctx->opcode)); \ | |
812 | gen_op_f##name(); \ | |
813 | gen_op_store_FT0_fpr(rD(ctx->opcode)); \ | |
814 | if (Rc(ctx->opcode)) \ | |
815 | gen_op_set_Rc1(); \ | |
79aceca5 FB |
816 | } |
817 | ||
9a64fbe4 FB |
818 | /* fadd - fadds */ |
819 | GEN_FLOAT_AB(add, 0x15, 0x000007C0); | |
79aceca5 | 820 | /* fdiv */ |
9a64fbe4 | 821 | GEN_FLOAT_AB(div, 0x12, 0x000007C0); |
79aceca5 | 822 | /* fmul */ |
9a64fbe4 | 823 | GEN_FLOAT_AC(mul, 0x19, 0x0000F800); |
79aceca5 FB |
824 | |
825 | /* fres */ | |
9a64fbe4 | 826 | GEN_FLOAT_BS(res, 0x18); |
79aceca5 FB |
827 | |
828 | /* frsqrte */ | |
9a64fbe4 | 829 | GEN_FLOAT_BS(rsqrte, 0x1A); |
79aceca5 FB |
830 | |
831 | /* fsel */ | |
9a64fbe4 | 832 | _GEN_FLOAT_ACB(sel, 0x3F, 0x17); |
79aceca5 | 833 | /* fsub */ |
9a64fbe4 | 834 | GEN_FLOAT_AB(sub, 0x14, 0x000007C0); |
79aceca5 FB |
835 | /* Optional: */ |
836 | /* fsqrt */ | |
9a64fbe4 | 837 | GEN_FLOAT_BS(sqrt, 0x16); |
79aceca5 | 838 | |
9a64fbe4 | 839 | GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) |
79aceca5 | 840 | { |
9a64fbe4 FB |
841 | gen_op_reset_scrfx(); |
842 | gen_op_load_fpr_FT0(rB(ctx->opcode)); | |
843 | gen_op_fsqrts(); | |
844 | gen_op_store_FT0_fpr(rD(ctx->opcode)); | |
845 | if (Rc(ctx->opcode)) | |
846 | gen_op_set_Rc1(); | |
79aceca5 FB |
847 | } |
848 | ||
849 | /*** Floating-Point multiply-and-add ***/ | |
850 | /* fmadd */ | |
9a64fbe4 | 851 | GEN_FLOAT_ACB(madd, 0x1D); |
79aceca5 | 852 | /* fmsub */ |
9a64fbe4 | 853 | GEN_FLOAT_ACB(msub, 0x1C); |
79aceca5 | 854 | /* fnmadd */ |
9a64fbe4 | 855 | GEN_FLOAT_ACB(nmadd, 0x1F); |
79aceca5 | 856 | /* fnmsub */ |
9a64fbe4 | 857 | GEN_FLOAT_ACB(nmsub, 0x1E); |
79aceca5 FB |
858 | |
859 | /*** Floating-Point round & convert ***/ | |
860 | /* fctiw */ | |
9a64fbe4 | 861 | GEN_FLOAT_B(ctiw, 0x0E, 0x00); |
79aceca5 | 862 | /* fctiwz */ |
9a64fbe4 | 863 | GEN_FLOAT_B(ctiwz, 0x0F, 0x00); |
79aceca5 | 864 | /* frsp */ |
9a64fbe4 | 865 | GEN_FLOAT_B(rsp, 0x0C, 0x00); |
79aceca5 FB |
866 | |
867 | /*** Floating-Point compare ***/ | |
868 | /* fcmpo */ | |
869 | GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT) | |
870 | { | |
9a64fbe4 FB |
871 | gen_op_reset_scrfx(); |
872 | gen_op_load_fpr_FT0(rA(ctx->opcode)); | |
873 | gen_op_load_fpr_FT1(rB(ctx->opcode)); | |
874 | gen_op_fcmpo(); | |
875 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
79aceca5 FB |
876 | } |
877 | ||
878 | /* fcmpu */ | |
879 | GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT) | |
880 | { | |
9a64fbe4 FB |
881 | gen_op_reset_scrfx(); |
882 | gen_op_load_fpr_FT0(rA(ctx->opcode)); | |
883 | gen_op_load_fpr_FT1(rB(ctx->opcode)); | |
884 | gen_op_fcmpu(); | |
885 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
79aceca5 FB |
886 | } |
887 | ||
9a64fbe4 FB |
888 | /*** Floating-point move ***/ |
889 | /* fabs */ | |
890 | GEN_FLOAT_B(abs, 0x08, 0x08); | |
891 | ||
892 | /* fmr - fmr. */ | |
893 | GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT) | |
894 | { | |
895 | gen_op_reset_scrfx(); | |
896 | gen_op_load_fpr_FT0(rB(ctx->opcode)); | |
897 | gen_op_store_FT0_fpr(rD(ctx->opcode)); | |
898 | if (Rc(ctx->opcode)) | |
899 | gen_op_set_Rc1(); | |
900 | } | |
901 | ||
902 | /* fnabs */ | |
903 | GEN_FLOAT_B(nabs, 0x08, 0x04); | |
904 | /* fneg */ | |
905 | GEN_FLOAT_B(neg, 0x08, 0x01); | |
906 | ||
79aceca5 FB |
907 | /*** Floating-Point status & ctrl register ***/ |
908 | /* mcrfs */ | |
909 | GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT) | |
910 | { | |
fb0eaffc FB |
911 | gen_op_load_fpscr_T0(crfS(ctx->opcode)); |
912 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
913 | gen_op_clear_fpscr(crfS(ctx->opcode)); | |
79aceca5 FB |
914 | } |
915 | ||
916 | /* mffs */ | |
917 | GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT) | |
918 | { | |
28b6751f | 919 | gen_op_load_fpscr(); |
fb0eaffc FB |
920 | gen_op_store_FT0_fpr(rD(ctx->opcode)); |
921 | if (Rc(ctx->opcode)) | |
922 | gen_op_set_Rc1(); | |
79aceca5 FB |
923 | } |
924 | ||
925 | /* mtfsb0 */ | |
926 | GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT) | |
927 | { | |
fb0eaffc FB |
928 | uint8_t crb; |
929 | ||
930 | crb = crbD(ctx->opcode) >> 2; | |
931 | gen_op_load_fpscr_T0(crb); | |
932 | gen_op_andi_(~(1 << (crbD(ctx->opcode) & 0x03))); | |
933 | gen_op_store_T0_fpscr(crb); | |
934 | if (Rc(ctx->opcode)) | |
935 | gen_op_set_Rc1(); | |
79aceca5 FB |
936 | } |
937 | ||
938 | /* mtfsb1 */ | |
939 | GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT) | |
940 | { | |
fb0eaffc FB |
941 | uint8_t crb; |
942 | ||
943 | crb = crbD(ctx->opcode) >> 2; | |
944 | gen_op_load_fpscr_T0(crb); | |
945 | gen_op_ori(1 << (crbD(ctx->opcode) & 0x03)); | |
946 | gen_op_store_T0_fpscr(crb); | |
947 | if (Rc(ctx->opcode)) | |
948 | gen_op_set_Rc1(); | |
79aceca5 FB |
949 | } |
950 | ||
951 | /* mtfsf */ | |
952 | GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT) | |
953 | { | |
fb0eaffc | 954 | gen_op_load_fpr_FT0(rB(ctx->opcode)); |
28b6751f | 955 | gen_op_store_fpscr(FM(ctx->opcode)); |
fb0eaffc FB |
956 | if (Rc(ctx->opcode)) |
957 | gen_op_set_Rc1(); | |
79aceca5 FB |
958 | } |
959 | ||
960 | /* mtfsfi */ | |
961 | GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT) | |
962 | { | |
fb0eaffc FB |
963 | gen_op_store_T0_fpscri(crbD(ctx->opcode) >> 2, FPIMM(ctx->opcode)); |
964 | if (Rc(ctx->opcode)) | |
965 | gen_op_set_Rc1(); | |
79aceca5 FB |
966 | } |
967 | ||
968 | /*** Integer load ***/ | |
9a64fbe4 FB |
969 | #if defined(CONFIG_USER_ONLY) |
970 | #define op_ldst(name) gen_op_##name##_raw() | |
971 | #define OP_LD_TABLE(width) | |
972 | #define OP_ST_TABLE(width) | |
973 | #else | |
974 | #define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() | |
975 | #define OP_LD_TABLE(width) \ | |
976 | static GenOpFunc *gen_op_l##width[] = { \ | |
977 | &gen_op_l##width##_user, \ | |
978 | &gen_op_l##width##_kernel, \ | |
979 | } | |
980 | #define OP_ST_TABLE(width) \ | |
981 | static GenOpFunc *gen_op_st##width[] = { \ | |
982 | &gen_op_st##width##_user, \ | |
983 | &gen_op_st##width##_kernel, \ | |
984 | } | |
985 | #endif | |
986 | ||
987 | #define GEN_LD(width, opc) \ | |
79aceca5 FB |
988 | GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
989 | { \ | |
990 | uint32_t simm = SIMM(ctx->opcode); \ | |
991 | if (rA(ctx->opcode) == 0) { \ | |
9a64fbe4 | 992 | gen_op_set_T0(simm); \ |
79aceca5 FB |
993 | } else { \ |
994 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
9a64fbe4 FB |
995 | if (simm != 0) \ |
996 | gen_op_addi(simm); \ | |
79aceca5 | 997 | } \ |
9a64fbe4 | 998 | op_ldst(l##width); \ |
79aceca5 | 999 | gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
79aceca5 FB |
1000 | } |
1001 | ||
9a64fbe4 | 1002 | #define GEN_LDU(width, opc) \ |
79aceca5 FB |
1003 | GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
1004 | { \ | |
9a64fbe4 | 1005 | uint32_t simm = SIMM(ctx->opcode); \ |
79aceca5 | 1006 | if (rA(ctx->opcode) == 0 || \ |
9a64fbe4 FB |
1007 | rA(ctx->opcode) == rD(ctx->opcode)) { \ |
1008 | RET_INVAL(); \ | |
1009 | } \ | |
79aceca5 | 1010 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
9a64fbe4 FB |
1011 | if (simm != 0) \ |
1012 | gen_op_addi(simm); \ | |
1013 | op_ldst(l##width); \ | |
79aceca5 FB |
1014 | gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
1015 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ | |
79aceca5 FB |
1016 | } |
1017 | ||
9a64fbe4 | 1018 | #define GEN_LDUX(width, opc) \ |
79aceca5 FB |
1019 | GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ |
1020 | { \ | |
1021 | if (rA(ctx->opcode) == 0 || \ | |
9a64fbe4 FB |
1022 | rA(ctx->opcode) == rD(ctx->opcode)) { \ |
1023 | RET_INVAL(); \ | |
1024 | } \ | |
79aceca5 FB |
1025 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
1026 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 FB |
1027 | gen_op_add(); \ |
1028 | op_ldst(l##width); \ | |
79aceca5 FB |
1029 | gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
1030 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ | |
79aceca5 FB |
1031 | } |
1032 | ||
9a64fbe4 | 1033 | #define GEN_LDX(width, opc2, opc3) \ |
79aceca5 FB |
1034 | GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ |
1035 | { \ | |
1036 | if (rA(ctx->opcode) == 0) { \ | |
1037 | gen_op_load_gpr_T0(rB(ctx->opcode)); \ | |
79aceca5 FB |
1038 | } else { \ |
1039 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
1040 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 | 1041 | gen_op_add(); \ |
79aceca5 | 1042 | } \ |
9a64fbe4 | 1043 | op_ldst(l##width); \ |
79aceca5 | 1044 | gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
79aceca5 FB |
1045 | } |
1046 | ||
9a64fbe4 FB |
1047 | #define GEN_LDS(width, op) \ |
1048 | OP_LD_TABLE(width); \ | |
1049 | GEN_LD(width, op | 0x20); \ | |
1050 | GEN_LDU(width, op | 0x21); \ | |
1051 | GEN_LDUX(width, op | 0x01); \ | |
1052 | GEN_LDX(width, 0x17, op | 0x00) | |
79aceca5 FB |
1053 | |
1054 | /* lbz lbzu lbzux lbzx */ | |
9a64fbe4 | 1055 | GEN_LDS(bz, 0x02); |
79aceca5 | 1056 | /* lha lhau lhaux lhax */ |
9a64fbe4 | 1057 | GEN_LDS(ha, 0x0A); |
79aceca5 | 1058 | /* lhz lhzu lhzux lhzx */ |
9a64fbe4 | 1059 | GEN_LDS(hz, 0x08); |
79aceca5 | 1060 | /* lwz lwzu lwzux lwzx */ |
9a64fbe4 | 1061 | GEN_LDS(wz, 0x00); |
79aceca5 FB |
1062 | |
1063 | /*** Integer store ***/ | |
9a64fbe4 | 1064 | #define GEN_ST(width, opc) \ |
79aceca5 FB |
1065 | GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
1066 | { \ | |
1067 | uint32_t simm = SIMM(ctx->opcode); \ | |
1068 | if (rA(ctx->opcode) == 0) { \ | |
9a64fbe4 | 1069 | gen_op_set_T0(simm); \ |
79aceca5 FB |
1070 | } else { \ |
1071 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
9a64fbe4 FB |
1072 | if (simm != 0) \ |
1073 | gen_op_addi(simm); \ | |
79aceca5 | 1074 | } \ |
9a64fbe4 FB |
1075 | gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
1076 | op_ldst(st##width); \ | |
79aceca5 FB |
1077 | } |
1078 | ||
9a64fbe4 | 1079 | #define GEN_STU(width, opc) \ |
79aceca5 FB |
1080 | GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
1081 | { \ | |
9a64fbe4 FB |
1082 | uint32_t simm = SIMM(ctx->opcode); \ |
1083 | if (rA(ctx->opcode) == 0) { \ | |
1084 | RET_INVAL(); \ | |
1085 | } \ | |
79aceca5 | 1086 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
9a64fbe4 FB |
1087 | if (simm != 0) \ |
1088 | gen_op_addi(simm); \ | |
79aceca5 | 1089 | gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
9a64fbe4 | 1090 | op_ldst(st##width); \ |
79aceca5 | 1091 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
79aceca5 FB |
1092 | } |
1093 | ||
9a64fbe4 | 1094 | #define GEN_STUX(width, opc) \ |
79aceca5 FB |
1095 | GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ |
1096 | { \ | |
9a64fbe4 FB |
1097 | if (rA(ctx->opcode) == 0) { \ |
1098 | RET_INVAL(); \ | |
1099 | } \ | |
79aceca5 FB |
1100 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
1101 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 FB |
1102 | gen_op_add(); \ |
1103 | gen_op_load_gpr_T1(rS(ctx->opcode)); \ | |
1104 | op_ldst(st##width); \ | |
79aceca5 | 1105 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
79aceca5 FB |
1106 | } |
1107 | ||
9a64fbe4 | 1108 | #define GEN_STX(width, opc2, opc3) \ |
79aceca5 FB |
1109 | GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ |
1110 | { \ | |
1111 | if (rA(ctx->opcode) == 0) { \ | |
1112 | gen_op_load_gpr_T0(rB(ctx->opcode)); \ | |
79aceca5 FB |
1113 | } else { \ |
1114 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
1115 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 | 1116 | gen_op_add(); \ |
79aceca5 | 1117 | } \ |
9a64fbe4 FB |
1118 | gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
1119 | op_ldst(st##width); \ | |
79aceca5 FB |
1120 | } |
1121 | ||
9a64fbe4 FB |
1122 | #define GEN_STS(width, op) \ |
1123 | OP_ST_TABLE(width); \ | |
1124 | GEN_ST(width, op | 0x20); \ | |
1125 | GEN_STU(width, op | 0x21); \ | |
1126 | GEN_STUX(width, op | 0x01); \ | |
1127 | GEN_STX(width, 0x17, op | 0x00) | |
79aceca5 FB |
1128 | |
1129 | /* stb stbu stbux stbx */ | |
9a64fbe4 | 1130 | GEN_STS(b, 0x06); |
79aceca5 | 1131 | /* sth sthu sthux sthx */ |
9a64fbe4 | 1132 | GEN_STS(h, 0x0C); |
79aceca5 | 1133 | /* stw stwu stwux stwx */ |
9a64fbe4 | 1134 | GEN_STS(w, 0x04); |
79aceca5 FB |
1135 | |
1136 | /*** Integer load and store with byte reverse ***/ | |
1137 | /* lhbrx */ | |
9a64fbe4 FB |
1138 | OP_LD_TABLE(hbr); |
1139 | GEN_LDX(hbr, 0x16, 0x18); | |
79aceca5 | 1140 | /* lwbrx */ |
9a64fbe4 FB |
1141 | OP_LD_TABLE(wbr); |
1142 | GEN_LDX(wbr, 0x16, 0x10); | |
79aceca5 | 1143 | /* sthbrx */ |
9a64fbe4 FB |
1144 | OP_ST_TABLE(hbr); |
1145 | GEN_STX(hbr, 0x16, 0x1C); | |
79aceca5 | 1146 | /* stwbrx */ |
9a64fbe4 FB |
1147 | OP_ST_TABLE(wbr); |
1148 | GEN_STX(wbr, 0x16, 0x14); | |
79aceca5 FB |
1149 | |
1150 | /*** Integer load and store multiple ***/ | |
9a64fbe4 FB |
1151 | #if defined(CONFIG_USER_ONLY) |
1152 | #define op_ldstm(name, reg) gen_op_##name##_raw(reg) | |
1153 | #else | |
1154 | #define op_ldstm(name, reg) (*gen_op_##name[ctx->mem_idx])(reg) | |
1155 | static GenOpFunc1 *gen_op_lmw[] = { | |
1156 | &gen_op_lmw_user, | |
1157 | &gen_op_lmw_kernel, | |
1158 | }; | |
1159 | static GenOpFunc1 *gen_op_stmw[] = { | |
1160 | &gen_op_stmw_user, | |
1161 | &gen_op_stmw_kernel, | |
1162 | }; | |
1163 | #endif | |
1164 | ||
79aceca5 FB |
1165 | /* lmw */ |
1166 | GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
1167 | { | |
9a64fbe4 FB |
1168 | int simm = SIMM(ctx->opcode); |
1169 | ||
79aceca5 | 1170 | if (rA(ctx->opcode) == 0) { |
9a64fbe4 | 1171 | gen_op_set_T0(simm); |
79aceca5 FB |
1172 | } else { |
1173 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
9a64fbe4 FB |
1174 | if (simm != 0) |
1175 | gen_op_addi(simm); | |
79aceca5 | 1176 | } |
9a64fbe4 | 1177 | op_ldstm(lmw, rD(ctx->opcode)); |
79aceca5 FB |
1178 | } |
1179 | ||
1180 | /* stmw */ | |
1181 | GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) | |
1182 | { | |
9a64fbe4 FB |
1183 | int simm = SIMM(ctx->opcode); |
1184 | ||
79aceca5 | 1185 | if (rA(ctx->opcode) == 0) { |
9a64fbe4 | 1186 | gen_op_set_T0(simm); |
79aceca5 FB |
1187 | } else { |
1188 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
9a64fbe4 FB |
1189 | if (simm != 0) |
1190 | gen_op_addi(simm); | |
79aceca5 | 1191 | } |
9a64fbe4 | 1192 | op_ldstm(stmw, rS(ctx->opcode)); |
79aceca5 FB |
1193 | } |
1194 | ||
1195 | /*** Integer load and store strings ***/ | |
9a64fbe4 FB |
1196 | #if defined(CONFIG_USER_ONLY) |
1197 | #define op_ldsts(name, start) gen_op_##name##_raw(start) | |
1198 | #define op_ldstsx(name, rd, ra, rb) gen_op_##name##_raw(rd, ra, rb) | |
1199 | #else | |
1200 | #define op_ldsts(name, start) (*gen_op_##name[ctx->mem_idx])(start) | |
1201 | #define op_ldstsx(name, rd, ra, rb) (*gen_op_##name[ctx->mem_idx])(rd, ra, rb) | |
1202 | static GenOpFunc1 *gen_op_lswi[] = { | |
1203 | &gen_op_lswi_user, | |
1204 | &gen_op_lswi_kernel, | |
1205 | }; | |
1206 | static GenOpFunc3 *gen_op_lswx[] = { | |
1207 | &gen_op_lswx_user, | |
1208 | &gen_op_lswx_kernel, | |
1209 | }; | |
1210 | static GenOpFunc1 *gen_op_stsw[] = { | |
1211 | &gen_op_stsw_user, | |
1212 | &gen_op_stsw_kernel, | |
1213 | }; | |
1214 | #endif | |
1215 | ||
79aceca5 | 1216 | /* lswi */ |
9a64fbe4 FB |
1217 | /* PPC32 specification says we must generate an exception if |
1218 | * rA is in the range of registers to be loaded. | |
1219 | * In an other hand, IBM says this is valid, but rA won't be loaded. | |
1220 | * For now, I'll follow the spec... | |
1221 | */ | |
79aceca5 FB |
1222 | GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_INTEGER) |
1223 | { | |
1224 | int nb = NB(ctx->opcode); | |
1225 | int start = rD(ctx->opcode); | |
9a64fbe4 | 1226 | int ra = rA(ctx->opcode); |
79aceca5 FB |
1227 | int nr; |
1228 | ||
1229 | if (nb == 0) | |
1230 | nb = 32; | |
1231 | nr = nb / 4; | |
297d8e62 FB |
1232 | if (((start + nr) > 32 && start <= ra && (start + nr - 32) > ra) || |
1233 | ((start + nr) <= 32 && start <= ra && (start + nr) > ra)) { | |
9a64fbe4 | 1234 | RET_EXCP(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); |
297d8e62 | 1235 | } |
9a64fbe4 | 1236 | if (ra == 0) { |
79aceca5 FB |
1237 | gen_op_set_T0(0); |
1238 | } else { | |
9a64fbe4 | 1239 | gen_op_load_gpr_T0(ra); |
79aceca5 | 1240 | } |
9a64fbe4 FB |
1241 | gen_op_set_T1(nb); |
1242 | op_ldsts(lswi, start); | |
79aceca5 FB |
1243 | } |
1244 | ||
1245 | /* lswx */ | |
1246 | GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_INTEGER) | |
1247 | { | |
9a64fbe4 FB |
1248 | int ra = rA(ctx->opcode); |
1249 | int rb = rB(ctx->opcode); | |
1250 | ||
1251 | if (ra == 0) { | |
1252 | gen_op_load_gpr_T0(rb); | |
1253 | ra = rb; | |
79aceca5 | 1254 | } else { |
9a64fbe4 FB |
1255 | gen_op_load_gpr_T0(ra); |
1256 | gen_op_load_gpr_T1(rb); | |
1257 | gen_op_add(); | |
79aceca5 | 1258 | } |
9a64fbe4 FB |
1259 | gen_op_load_xer_bc(); |
1260 | op_ldstsx(lswx, rD(ctx->opcode), ra, rb); | |
79aceca5 FB |
1261 | } |
1262 | ||
1263 | /* stswi */ | |
1264 | GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_INTEGER) | |
1265 | { | |
79aceca5 FB |
1266 | if (rA(ctx->opcode) == 0) { |
1267 | gen_op_set_T0(0); | |
1268 | } else { | |
1269 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
1270 | } | |
9a64fbe4 FB |
1271 | gen_op_set_T1(NB(ctx->opcode)); |
1272 | op_ldsts(stsw, rS(ctx->opcode)); | |
79aceca5 FB |
1273 | } |
1274 | ||
1275 | /* stswx */ | |
1276 | GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_INTEGER) | |
1277 | { | |
9a64fbe4 FB |
1278 | int ra = rA(ctx->opcode); |
1279 | ||
1280 | if (ra == 0) { | |
1281 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
1282 | ra = rB(ctx->opcode); | |
79aceca5 | 1283 | } else { |
9a64fbe4 FB |
1284 | gen_op_load_gpr_T0(ra); |
1285 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
1286 | gen_op_add(); | |
79aceca5 | 1287 | } |
9a64fbe4 FB |
1288 | gen_op_load_xer_bc(); |
1289 | op_ldsts(stsw, rS(ctx->opcode)); | |
79aceca5 FB |
1290 | } |
1291 | ||
1292 | /*** Memory synchronisation ***/ | |
1293 | /* eieio */ | |
1294 | GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FF0801, PPC_MEM) | |
1295 | { | |
79aceca5 FB |
1296 | } |
1297 | ||
1298 | /* isync */ | |
1299 | GEN_HANDLER(isync, 0x13, 0x16, 0xFF, 0x03FF0801, PPC_MEM) | |
1300 | { | |
79aceca5 FB |
1301 | } |
1302 | ||
1303 | /* lwarx */ | |
9a64fbe4 | 1304 | #if defined(CONFIG_USER_ONLY) |
985a19d6 | 1305 | #define op_lwarx() gen_op_lwarx_raw() |
9a64fbe4 FB |
1306 | #define op_stwcx() gen_op_stwcx_raw() |
1307 | #else | |
985a19d6 FB |
1308 | #define op_lwarx() (*gen_op_lwarx[ctx->mem_idx])() |
1309 | static GenOpFunc *gen_op_lwarx[] = { | |
1310 | &gen_op_lwarx_user, | |
1311 | &gen_op_lwarx_kernel, | |
1312 | }; | |
9a64fbe4 FB |
1313 | #define op_stwcx() (*gen_op_stwcx[ctx->mem_idx])() |
1314 | static GenOpFunc *gen_op_stwcx[] = { | |
1315 | &gen_op_stwcx_user, | |
1316 | &gen_op_stwcx_kernel, | |
1317 | }; | |
1318 | #endif | |
1319 | ||
1320 | GEN_HANDLER(lwarx, 0x1F, 0x14, 0xFF, 0x00000001, PPC_RES) | |
79aceca5 | 1321 | { |
79aceca5 FB |
1322 | if (rA(ctx->opcode) == 0) { |
1323 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
79aceca5 FB |
1324 | } else { |
1325 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
1326 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
9a64fbe4 | 1327 | gen_op_add(); |
79aceca5 | 1328 | } |
985a19d6 | 1329 | op_lwarx(); |
79aceca5 | 1330 | gen_op_store_T1_gpr(rD(ctx->opcode)); |
79aceca5 FB |
1331 | } |
1332 | ||
1333 | /* stwcx. */ | |
9a64fbe4 | 1334 | GEN_HANDLER(stwcx_, 0x1F, 0x16, 0x04, 0x00000000, PPC_RES) |
79aceca5 | 1335 | { |
79aceca5 FB |
1336 | if (rA(ctx->opcode) == 0) { |
1337 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
79aceca5 FB |
1338 | } else { |
1339 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
1340 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
9a64fbe4 | 1341 | gen_op_add(); |
79aceca5 | 1342 | } |
9a64fbe4 FB |
1343 | gen_op_load_gpr_T1(rS(ctx->opcode)); |
1344 | op_stwcx(); | |
79aceca5 FB |
1345 | } |
1346 | ||
1347 | /* sync */ | |
1348 | GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_MEM) | |
1349 | { | |
79aceca5 FB |
1350 | } |
1351 | ||
1352 | /*** Floating-point load ***/ | |
9a64fbe4 FB |
1353 | #define GEN_LDF(width, opc) \ |
1354 | GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ | |
79aceca5 FB |
1355 | { \ |
1356 | uint32_t simm = SIMM(ctx->opcode); \ | |
1357 | if (rA(ctx->opcode) == 0) { \ | |
9a64fbe4 | 1358 | gen_op_set_T0(simm); \ |
79aceca5 FB |
1359 | } else { \ |
1360 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
9a64fbe4 FB |
1361 | if (simm != 0) \ |
1362 | gen_op_addi(simm); \ | |
79aceca5 | 1363 | } \ |
9a64fbe4 FB |
1364 | op_ldst(l##width); \ |
1365 | gen_op_store_FT1_fpr(rD(ctx->opcode)); \ | |
79aceca5 FB |
1366 | } |
1367 | ||
9a64fbe4 FB |
1368 | #define GEN_LDUF(width, opc) \ |
1369 | GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ | |
79aceca5 | 1370 | { \ |
9a64fbe4 | 1371 | uint32_t simm = SIMM(ctx->opcode); \ |
79aceca5 | 1372 | if (rA(ctx->opcode) == 0 || \ |
9a64fbe4 FB |
1373 | rA(ctx->opcode) == rD(ctx->opcode)) { \ |
1374 | RET_INVAL(); \ | |
1375 | } \ | |
79aceca5 | 1376 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
9a64fbe4 FB |
1377 | if (simm != 0) \ |
1378 | gen_op_addi(simm); \ | |
1379 | op_ldst(l##width); \ | |
1380 | gen_op_store_FT1_fpr(rD(ctx->opcode)); \ | |
79aceca5 | 1381 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
79aceca5 FB |
1382 | } |
1383 | ||
9a64fbe4 FB |
1384 | #define GEN_LDUXF(width, opc) \ |
1385 | GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ | |
79aceca5 FB |
1386 | { \ |
1387 | if (rA(ctx->opcode) == 0 || \ | |
9a64fbe4 FB |
1388 | rA(ctx->opcode) == rD(ctx->opcode)) { \ |
1389 | RET_INVAL(); \ | |
1390 | } \ | |
79aceca5 FB |
1391 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
1392 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 FB |
1393 | gen_op_add(); \ |
1394 | op_ldst(l##width); \ | |
1395 | gen_op_store_FT1_fpr(rD(ctx->opcode)); \ | |
79aceca5 | 1396 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
79aceca5 FB |
1397 | } |
1398 | ||
9a64fbe4 FB |
1399 | #define GEN_LDXF(width, opc2, opc3) \ |
1400 | GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ | |
79aceca5 FB |
1401 | { \ |
1402 | if (rA(ctx->opcode) == 0) { \ | |
1403 | gen_op_load_gpr_T0(rB(ctx->opcode)); \ | |
79aceca5 FB |
1404 | } else { \ |
1405 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
1406 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 | 1407 | gen_op_add(); \ |
79aceca5 | 1408 | } \ |
9a64fbe4 FB |
1409 | op_ldst(l##width); \ |
1410 | gen_op_store_FT1_fpr(rD(ctx->opcode)); \ | |
79aceca5 FB |
1411 | } |
1412 | ||
9a64fbe4 FB |
1413 | #define GEN_LDFS(width, op) \ |
1414 | OP_LD_TABLE(width); \ | |
1415 | GEN_LDF(width, op | 0x20); \ | |
1416 | GEN_LDUF(width, op | 0x21); \ | |
1417 | GEN_LDUXF(width, op | 0x01); \ | |
1418 | GEN_LDXF(width, 0x17, op | 0x00) | |
79aceca5 FB |
1419 | |
1420 | /* lfd lfdu lfdux lfdx */ | |
9a64fbe4 | 1421 | GEN_LDFS(fd, 0x12); |
79aceca5 | 1422 | /* lfs lfsu lfsux lfsx */ |
9a64fbe4 | 1423 | GEN_LDFS(fs, 0x10); |
79aceca5 FB |
1424 | |
1425 | /*** Floating-point store ***/ | |
1426 | #define GEN_STF(width, opc) \ | |
9a64fbe4 | 1427 | GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
79aceca5 FB |
1428 | { \ |
1429 | uint32_t simm = SIMM(ctx->opcode); \ | |
1430 | if (rA(ctx->opcode) == 0) { \ | |
9a64fbe4 | 1431 | gen_op_set_T0(simm); \ |
79aceca5 FB |
1432 | } else { \ |
1433 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
9a64fbe4 FB |
1434 | if (simm != 0) \ |
1435 | gen_op_addi(simm); \ | |
79aceca5 | 1436 | } \ |
9a64fbe4 FB |
1437 | gen_op_load_fpr_FT1(rS(ctx->opcode)); \ |
1438 | op_ldst(st##width); \ | |
79aceca5 FB |
1439 | } |
1440 | ||
9a64fbe4 FB |
1441 | #define GEN_STUF(width, opc) \ |
1442 | GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ | |
79aceca5 | 1443 | { \ |
9a64fbe4 FB |
1444 | uint32_t simm = SIMM(ctx->opcode); \ |
1445 | if (rA(ctx->opcode) == 0) { \ | |
1446 | RET_INVAL(); \ | |
1447 | } \ | |
79aceca5 | 1448 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
9a64fbe4 FB |
1449 | if (simm != 0) \ |
1450 | gen_op_addi(simm); \ | |
1451 | gen_op_load_fpr_FT1(rS(ctx->opcode)); \ | |
1452 | op_ldst(st##width); \ | |
79aceca5 | 1453 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
79aceca5 FB |
1454 | } |
1455 | ||
9a64fbe4 FB |
1456 | #define GEN_STUXF(width, opc) \ |
1457 | GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ | |
79aceca5 | 1458 | { \ |
9a64fbe4 FB |
1459 | if (rA(ctx->opcode) == 0) { \ |
1460 | RET_INVAL(); \ | |
1461 | } \ | |
79aceca5 FB |
1462 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
1463 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 FB |
1464 | gen_op_add(); \ |
1465 | gen_op_load_fpr_FT1(rS(ctx->opcode)); \ | |
1466 | op_ldst(st##width); \ | |
79aceca5 | 1467 | gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
79aceca5 FB |
1468 | } |
1469 | ||
9a64fbe4 FB |
1470 | #define GEN_STXF(width, opc2, opc3) \ |
1471 | GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ | |
79aceca5 FB |
1472 | { \ |
1473 | if (rA(ctx->opcode) == 0) { \ | |
1474 | gen_op_load_gpr_T0(rB(ctx->opcode)); \ | |
79aceca5 FB |
1475 | } else { \ |
1476 | gen_op_load_gpr_T0(rA(ctx->opcode)); \ | |
1477 | gen_op_load_gpr_T1(rB(ctx->opcode)); \ | |
9a64fbe4 | 1478 | gen_op_add(); \ |
79aceca5 | 1479 | } \ |
9a64fbe4 FB |
1480 | gen_op_load_fpr_FT1(rS(ctx->opcode)); \ |
1481 | op_ldst(st##width); \ | |
79aceca5 FB |
1482 | } |
1483 | ||
9a64fbe4 FB |
1484 | #define GEN_STFS(width, op) \ |
1485 | OP_ST_TABLE(width); \ | |
1486 | GEN_STF(width, op | 0x20); \ | |
1487 | GEN_STUF(width, op | 0x21); \ | |
1488 | GEN_STUXF(width, op | 0x01); \ | |
1489 | GEN_STXF(width, 0x17, op | 0x00) | |
79aceca5 FB |
1490 | |
1491 | /* stfd stfdu stfdux stfdx */ | |
9a64fbe4 | 1492 | GEN_STFS(fd, 0x16); |
79aceca5 | 1493 | /* stfs stfsu stfsux stfsx */ |
9a64fbe4 | 1494 | GEN_STFS(fs, 0x14); |
79aceca5 FB |
1495 | |
1496 | /* Optional: */ | |
1497 | /* stfiwx */ | |
1498 | GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT) | |
1499 | { | |
9a64fbe4 | 1500 | RET_INVAL(); |
79aceca5 FB |
1501 | } |
1502 | ||
1503 | /*** Branch ***/ | |
1504 | #define GEN_BCOND(name, opc1, opc2, opc3, prologue, \ | |
9a64fbe4 | 1505 | bl_ctr, b_ctr, bl_ctrz, b_ctrz, b, bl, \ |
79aceca5 FB |
1506 | bl_ctr_true, b_ctr_true, bl_ctrz_true, b_ctrz_true, bl_true, b_true, \ |
1507 | bl_ctr_false, b_ctr_false, bl_ctrz_false, b_ctrz_false, bl_false, b_false) \ | |
1508 | GEN_HANDLER(name, opc1, opc2, opc3, 0x00000000, PPC_FLOW) \ | |
1509 | { \ | |
1510 | __attribute__ ((unused)) uint32_t target; \ | |
1511 | uint32_t bo = BO(ctx->opcode); \ | |
1512 | uint32_t bi = BI(ctx->opcode); \ | |
1513 | uint32_t mask; \ | |
9a64fbe4 FB |
1514 | gen_op_update_tb(ctx->tb_offset); \ |
1515 | gen_op_update_decr(ctx->decr_offset); \ | |
1516 | gen_op_process_exceptions((uint32_t)ctx->nip - 4); \ | |
79aceca5 | 1517 | prologue; \ |
9a64fbe4 | 1518 | /* gen_op_set_T1((uint32_t)ctx->tb);*/ \ |
79aceca5 FB |
1519 | if ((bo & 0x4) == 0) \ |
1520 | gen_op_dec_ctr(); \ | |
1521 | if (bo & 0x10) { \ | |
1522 | /* No CR condition */ \ | |
1523 | switch (bo & 0x6) { \ | |
1524 | case 0: \ | |
1525 | if (LK(ctx->opcode)) { \ | |
1526 | bl_ctr; \ | |
1527 | } else { \ | |
1528 | b_ctr; \ | |
1529 | } \ | |
1530 | break; \ | |
1531 | case 2: \ | |
1532 | if (LK(ctx->opcode)) { \ | |
1533 | bl_ctrz; \ | |
1534 | } else { \ | |
1535 | b_ctrz; \ | |
1536 | } \ | |
1537 | break; \ | |
1538 | case 4: \ | |
1539 | case 6: \ | |
9a64fbe4 FB |
1540 | if (LK(ctx->opcode)) { \ |
1541 | bl; \ | |
1542 | } else { \ | |
79aceca5 | 1543 | b; \ |
9a64fbe4 | 1544 | } \ |
79aceca5 FB |
1545 | break; \ |
1546 | default: \ | |
1547 | printf("ERROR: %s: unhandled ba case (%d)\n", __func__, bo); \ | |
9a64fbe4 | 1548 | RET_INVAL(); \ |
79aceca5 FB |
1549 | break; \ |
1550 | } \ | |
1551 | } else { \ | |
1552 | mask = 1 << (3 - (bi & 0x03)); \ | |
1553 | gen_op_load_crf_T0(bi >> 2); \ | |
1554 | if (bo & 0x8) { \ | |
1555 | switch (bo & 0x6) { \ | |
1556 | case 0: \ | |
1557 | if (LK(ctx->opcode)) { \ | |
1558 | bl_ctr_true; \ | |
1559 | } else { \ | |
1560 | b_ctr_true; \ | |
1561 | } \ | |
1562 | break; \ | |
1563 | case 2: \ | |
1564 | if (LK(ctx->opcode)) { \ | |
1565 | bl_ctrz_true; \ | |
1566 | } else { \ | |
1567 | b_ctrz_true; \ | |
1568 | } \ | |
1569 | break; \ | |
1570 | case 4: \ | |
1571 | case 6: \ | |
1572 | if (LK(ctx->opcode)) { \ | |
1573 | bl_true; \ | |
1574 | } else { \ | |
1575 | b_true; \ | |
1576 | } \ | |
1577 | break; \ | |
1578 | default: \ | |
1579 | printf("ERROR: %s: unhandled b case (%d)\n", __func__, bo); \ | |
9a64fbe4 | 1580 | RET_INVAL(); \ |
79aceca5 FB |
1581 | break; \ |
1582 | } \ | |
1583 | } else { \ | |
1584 | switch (bo & 0x6) { \ | |
1585 | case 0: \ | |
1586 | if (LK(ctx->opcode)) { \ | |
1587 | bl_ctr_false; \ | |
1588 | } else { \ | |
1589 | b_ctr_false; \ | |
1590 | } \ | |
1591 | break; \ | |
1592 | case 2: \ | |
1593 | if (LK(ctx->opcode)) { \ | |
1594 | bl_ctrz_false; \ | |
1595 | } else { \ | |
1596 | b_ctrz_false; \ | |
1597 | } \ | |
1598 | break; \ | |
1599 | case 4: \ | |
1600 | case 6: \ | |
1601 | if (LK(ctx->opcode)) { \ | |
1602 | bl_false; \ | |
1603 | } else { \ | |
1604 | b_false; \ | |
1605 | } \ | |
1606 | break; \ | |
1607 | default: \ | |
1608 | printf("ERROR: %s: unhandled bn case (%d)\n", __func__, bo); \ | |
9a64fbe4 | 1609 | RET_INVAL(); \ |
79aceca5 FB |
1610 | break; \ |
1611 | } \ | |
1612 | } \ | |
1613 | } \ | |
9a64fbe4 | 1614 | ctx->exception = EXCP_BRANCH; \ |
79aceca5 FB |
1615 | } |
1616 | ||
1617 | /* b ba bl bla */ | |
1618 | GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW) | |
1619 | { | |
1620 | uint32_t li = s_ext24(LI(ctx->opcode)), target; | |
1621 | ||
9a64fbe4 FB |
1622 | gen_op_update_tb(ctx->tb_offset); |
1623 | gen_op_update_decr(ctx->decr_offset); | |
1624 | gen_op_process_exceptions((uint32_t)ctx->nip - 4); | |
79aceca5 FB |
1625 | if (AA(ctx->opcode) == 0) |
1626 | target = (uint32_t)ctx->nip + li - 4; | |
1627 | else | |
9a64fbe4 FB |
1628 | target = li; |
1629 | // gen_op_set_T1((uint32_t)ctx->tb); | |
1630 | if (LK(ctx->opcode)) { | |
1631 | gen_op_bl(target, (uint32_t)ctx->nip); | |
1632 | } else { | |
79aceca5 | 1633 | gen_op_b(target); |
9a64fbe4 FB |
1634 | } |
1635 | ctx->exception = EXCP_BRANCH; | |
79aceca5 FB |
1636 | } |
1637 | ||
1638 | /* bc bca bcl bcla */ | |
1639 | GEN_BCOND(bc, 0x10, 0xFF, 0xFF, | |
1640 | do { | |
1641 | uint32_t li = s_ext16(BD(ctx->opcode)); | |
1642 | if (AA(ctx->opcode) == 0) { | |
1643 | target = (uint32_t)ctx->nip + li - 4; | |
1644 | } else { | |
1645 | target = li; | |
1646 | } | |
1647 | } while (0), | |
1648 | gen_op_bl_ctr((uint32_t)ctx->nip, target), | |
1649 | gen_op_b_ctr((uint32_t)ctx->nip, target), | |
1650 | gen_op_bl_ctrz((uint32_t)ctx->nip, target), | |
1651 | gen_op_b_ctrz((uint32_t)ctx->nip, target), | |
1652 | gen_op_b(target), | |
9a64fbe4 | 1653 | gen_op_bl(target, (uint32_t)ctx->nip), |
79aceca5 FB |
1654 | gen_op_bl_ctr_true((uint32_t)ctx->nip, target, mask), |
1655 | gen_op_b_ctr_true((uint32_t)ctx->nip, target, mask), | |
1656 | gen_op_bl_ctrz_true((uint32_t)ctx->nip, target, mask), | |
1657 | gen_op_b_ctrz_true((uint32_t)ctx->nip, target, mask), | |
1658 | gen_op_bl_true((uint32_t)ctx->nip, target, mask), | |
1659 | gen_op_b_true((uint32_t)ctx->nip, target, mask), | |
1660 | gen_op_bl_ctr_false((uint32_t)ctx->nip, target, mask), | |
1661 | gen_op_b_ctr_false((uint32_t)ctx->nip, target, mask), | |
1662 | gen_op_bl_ctrz_false((uint32_t)ctx->nip, target, mask), | |
1663 | gen_op_b_ctrz_false((uint32_t)ctx->nip, target, mask), | |
1664 | gen_op_bl_false((uint32_t)ctx->nip, target, mask), | |
1665 | gen_op_b_false((uint32_t)ctx->nip, target, mask)); | |
1666 | ||
1667 | /* bcctr bcctrl */ | |
1668 | GEN_BCOND(bcctr, 0x13, 0x10, 0x10, do { } while (0), | |
1669 | gen_op_bctrl_ctr((uint32_t)ctx->nip), | |
1670 | gen_op_bctr_ctr((uint32_t)ctx->nip), | |
1671 | gen_op_bctrl_ctrz((uint32_t)ctx->nip), | |
1672 | gen_op_bctr_ctrz((uint32_t)ctx->nip), | |
1673 | gen_op_bctr(), | |
9a64fbe4 | 1674 | gen_op_bctrl((uint32_t)ctx->nip), |
79aceca5 FB |
1675 | gen_op_bctrl_ctr_true((uint32_t)ctx->nip, mask), |
1676 | gen_op_bctr_ctr_true((uint32_t)ctx->nip, mask), | |
1677 | gen_op_bctrl_ctrz_true((uint32_t)ctx->nip, mask), | |
1678 | gen_op_bctr_ctrz_true((uint32_t)ctx->nip, mask), | |
1679 | gen_op_bctrl_true((uint32_t)ctx->nip, mask), | |
1680 | gen_op_bctr_true((uint32_t)ctx->nip, mask), | |
1681 | gen_op_bctrl_ctr_false((uint32_t)ctx->nip, mask), | |
1682 | gen_op_bctr_ctr_false((uint32_t)ctx->nip, mask), | |
1683 | gen_op_bctrl_ctrz_false((uint32_t)ctx->nip, mask), | |
1684 | gen_op_bctr_ctrz_false((uint32_t)ctx->nip, mask), | |
1685 | gen_op_bctrl_false((uint32_t)ctx->nip, mask), | |
1686 | gen_op_bctr_false((uint32_t)ctx->nip, mask)) | |
1687 | ||
1688 | /* bclr bclrl */ | |
1689 | GEN_BCOND(bclr, 0x13, 0x10, 0x00, do { } while (0), | |
1690 | gen_op_blrl_ctr((uint32_t)ctx->nip), | |
1691 | gen_op_blr_ctr((uint32_t)ctx->nip), | |
1692 | gen_op_blrl_ctrz((uint32_t)ctx->nip), | |
1693 | gen_op_blr_ctrz((uint32_t)ctx->nip), | |
1694 | gen_op_blr(), | |
9a64fbe4 | 1695 | gen_op_blrl((uint32_t)ctx->nip), |
79aceca5 FB |
1696 | gen_op_blrl_ctr_true((uint32_t)ctx->nip, mask), |
1697 | gen_op_blr_ctr_true((uint32_t)ctx->nip, mask), | |
1698 | gen_op_blrl_ctrz_true((uint32_t)ctx->nip, mask), | |
1699 | gen_op_blr_ctrz_true((uint32_t)ctx->nip, mask), | |
1700 | gen_op_blrl_true((uint32_t)ctx->nip, mask), | |
1701 | gen_op_blr_true((uint32_t)ctx->nip, mask), | |
1702 | gen_op_blrl_ctr_false((uint32_t)ctx->nip, mask), | |
1703 | gen_op_blr_ctr_false((uint32_t)ctx->nip, mask), | |
1704 | gen_op_blrl_ctrz_false((uint32_t)ctx->nip, mask), | |
1705 | gen_op_blr_ctrz_false((uint32_t)ctx->nip, mask), | |
1706 | gen_op_blrl_false((uint32_t)ctx->nip, mask), | |
1707 | gen_op_blr_false((uint32_t)ctx->nip, mask)) | |
1708 | ||
1709 | /*** Condition register logical ***/ | |
1710 | #define GEN_CRLOGIC(op, opc) \ | |
1711 | GEN_HANDLER(cr##op, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \ | |
1712 | { \ | |
1713 | gen_op_load_crf_T0(crbA(ctx->opcode) >> 2); \ | |
1714 | gen_op_getbit_T0(3 - (crbA(ctx->opcode) & 0x03)); \ | |
1715 | gen_op_load_crf_T1(crbB(ctx->opcode) >> 2); \ | |
1716 | gen_op_getbit_T1(3 - (crbB(ctx->opcode) & 0x03)); \ | |
1717 | gen_op_##op(); \ | |
1718 | gen_op_load_crf_T1(crbD(ctx->opcode) >> 2); \ | |
1719 | gen_op_setcrfbit(~(1 << (3 - (crbD(ctx->opcode) & 0x03))), \ | |
1720 | 3 - (crbD(ctx->opcode) & 0x03)); \ | |
1721 | gen_op_store_T1_crf(crbD(ctx->opcode) >> 2); \ | |
79aceca5 FB |
1722 | } |
1723 | ||
1724 | /* crand */ | |
1725 | GEN_CRLOGIC(and, 0x08) | |
1726 | /* crandc */ | |
1727 | GEN_CRLOGIC(andc, 0x04) | |
1728 | /* creqv */ | |
1729 | GEN_CRLOGIC(eqv, 0x09) | |
1730 | /* crnand */ | |
1731 | GEN_CRLOGIC(nand, 0x07) | |
1732 | /* crnor */ | |
1733 | GEN_CRLOGIC(nor, 0x01) | |
1734 | /* cror */ | |
1735 | GEN_CRLOGIC(or, 0x0E) | |
1736 | /* crorc */ | |
1737 | GEN_CRLOGIC(orc, 0x0D) | |
1738 | /* crxor */ | |
1739 | GEN_CRLOGIC(xor, 0x06) | |
1740 | /* mcrf */ | |
1741 | GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER) | |
1742 | { | |
1743 | gen_op_load_crf_T0(crfS(ctx->opcode)); | |
1744 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
79aceca5 FB |
1745 | } |
1746 | ||
1747 | /*** System linkage ***/ | |
1748 | /* rfi (supervisor only) */ | |
1749 | GEN_HANDLER(rfi, 0x13, 0x12, 0xFF, 0x03FF8001, PPC_FLOW) | |
1750 | { | |
9a64fbe4 FB |
1751 | #if defined(CONFIG_USER_ONLY) |
1752 | RET_PRIVOPC(); | |
1753 | #else | |
1754 | /* Restore CPU state */ | |
1755 | if (!ctx->supervisor) { | |
1756 | RET_PRIVOPC(); | |
1757 | } | |
1758 | gen_op_rfi(); | |
1759 | ctx->exception = EXCP_RFI; | |
1760 | #endif | |
79aceca5 FB |
1761 | } |
1762 | ||
1763 | /* sc */ | |
1764 | GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFFFFD, PPC_FLOW) | |
1765 | { | |
9a64fbe4 FB |
1766 | #if defined(CONFIG_USER_ONLY) |
1767 | gen_op_queue_exception(EXCP_SYSCALL_USER); | |
1768 | #else | |
1769 | gen_op_queue_exception(EXCP_SYSCALL); | |
1770 | #endif | |
1771 | ctx->exception = EXCP_SYSCALL; | |
79aceca5 FB |
1772 | } |
1773 | ||
1774 | /*** Trap ***/ | |
1775 | /* tw */ | |
1776 | GEN_HANDLER(tw, 0x1F, 0x04, 0xFF, 0x00000001, PPC_FLOW) | |
1777 | { | |
9a64fbe4 FB |
1778 | gen_op_load_gpr_T0(rA(ctx->opcode)); |
1779 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
1780 | gen_op_tw(TO(ctx->opcode)); | |
79aceca5 FB |
1781 | } |
1782 | ||
1783 | /* twi */ | |
1784 | GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW) | |
1785 | { | |
9a64fbe4 FB |
1786 | gen_op_load_gpr_T0(rA(ctx->opcode)); |
1787 | #if 0 | |
1788 | printf("%s: param=0x%04x T0=0x%04x\n", __func__, | |
1789 | SIMM(ctx->opcode), TO(ctx->opcode)); | |
1790 | #endif | |
1791 | gen_op_twi(SIMM(ctx->opcode), TO(ctx->opcode)); | |
79aceca5 FB |
1792 | } |
1793 | ||
1794 | /*** Processor control ***/ | |
1795 | static inline int check_spr_access (int spr, int rw, int supervisor) | |
1796 | { | |
1797 | uint32_t rights = spr_access[spr >> 1] >> (4 * (spr & 1)); | |
1798 | ||
9a64fbe4 FB |
1799 | #if 0 |
1800 | if (spr != LR && spr != CTR) { | |
1801 | if (loglevel > 0) { | |
1802 | fprintf(logfile, "%s reg=%d s=%d rw=%d r=0x%02x 0x%02x\n", __func__, | |
1803 | SPR_ENCODE(spr), supervisor, rw, rights, | |
1804 | (rights >> ((2 * supervisor) + rw)) & 1); | |
1805 | } else { | |
1806 | printf("%s reg=%d s=%d rw=%d r=0x%02x 0x%02x\n", __func__, | |
1807 | SPR_ENCODE(spr), supervisor, rw, rights, | |
1808 | (rights >> ((2 * supervisor) + rw)) & 1); | |
1809 | } | |
1810 | } | |
1811 | #endif | |
1812 | if (rights == 0) | |
1813 | return -1; | |
79aceca5 FB |
1814 | rights = rights >> (2 * supervisor); |
1815 | rights = rights >> rw; | |
1816 | ||
1817 | return rights & 1; | |
1818 | } | |
1819 | ||
1820 | /* mcrxr */ | |
1821 | GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC) | |
1822 | { | |
1823 | gen_op_load_xer_cr(); | |
1824 | gen_op_store_T0_crf(crfD(ctx->opcode)); | |
1825 | gen_op_clear_xer_cr(); | |
79aceca5 FB |
1826 | } |
1827 | ||
1828 | /* mfcr */ | |
1829 | GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x001FF801, PPC_MISC) | |
1830 | { | |
1831 | gen_op_load_cr(); | |
1832 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
1833 | } |
1834 | ||
1835 | /* mfmsr */ | |
1836 | GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC) | |
1837 | { | |
9a64fbe4 FB |
1838 | #if defined(CONFIG_USER_ONLY) |
1839 | RET_PRIVREG(); | |
1840 | #else | |
1841 | if (!ctx->supervisor) { | |
1842 | RET_PRIVREG(); | |
1843 | } | |
79aceca5 FB |
1844 | gen_op_load_msr(); |
1845 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
9a64fbe4 | 1846 | #endif |
79aceca5 FB |
1847 | } |
1848 | ||
1849 | /* mfspr */ | |
1850 | GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC) | |
1851 | { | |
1852 | uint32_t sprn = SPR(ctx->opcode); | |
1853 | ||
9a64fbe4 FB |
1854 | #if defined(CONFIG_USER_ONLY) |
1855 | switch (check_spr_access(sprn, 0, 0)) | |
1856 | #else | |
1857 | switch (check_spr_access(sprn, 0, ctx->supervisor)) | |
1858 | #endif | |
1859 | { | |
1860 | case -1: | |
1861 | RET_EXCP(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); | |
1862 | break; | |
1863 | case 0: | |
1864 | RET_PRIVREG(); | |
1865 | break; | |
1866 | default: | |
1867 | break; | |
79aceca5 | 1868 | } |
9a64fbe4 FB |
1869 | switch (sprn) { |
1870 | case XER: | |
79aceca5 FB |
1871 | gen_op_load_xer(); |
1872 | break; | |
9a64fbe4 FB |
1873 | case LR: |
1874 | gen_op_load_lr(); | |
1875 | break; | |
1876 | case CTR: | |
1877 | gen_op_load_ctr(); | |
1878 | break; | |
1879 | case IBAT0U: | |
1880 | gen_op_load_ibat(0, 0); | |
1881 | break; | |
1882 | case IBAT1U: | |
1883 | gen_op_load_ibat(0, 1); | |
1884 | break; | |
1885 | case IBAT2U: | |
1886 | gen_op_load_ibat(0, 2); | |
1887 | break; | |
1888 | case IBAT3U: | |
1889 | gen_op_load_ibat(0, 3); | |
1890 | break; | |
1891 | case IBAT4U: | |
1892 | gen_op_load_ibat(0, 4); | |
1893 | break; | |
1894 | case IBAT5U: | |
1895 | gen_op_load_ibat(0, 5); | |
1896 | break; | |
1897 | case IBAT6U: | |
1898 | gen_op_load_ibat(0, 6); | |
1899 | break; | |
1900 | case IBAT7U: | |
1901 | gen_op_load_ibat(0, 7); | |
1902 | break; | |
1903 | case IBAT0L: | |
1904 | gen_op_load_ibat(1, 0); | |
1905 | break; | |
1906 | case IBAT1L: | |
1907 | gen_op_load_ibat(1, 1); | |
1908 | break; | |
1909 | case IBAT2L: | |
1910 | gen_op_load_ibat(1, 2); | |
1911 | break; | |
1912 | case IBAT3L: | |
1913 | gen_op_load_ibat(1, 3); | |
1914 | break; | |
1915 | case IBAT4L: | |
1916 | gen_op_load_ibat(1, 4); | |
1917 | break; | |
1918 | case IBAT5L: | |
1919 | gen_op_load_ibat(1, 5); | |
1920 | break; | |
1921 | case IBAT6L: | |
1922 | gen_op_load_ibat(1, 6); | |
1923 | break; | |
1924 | case IBAT7L: | |
1925 | gen_op_load_ibat(1, 7); | |
1926 | break; | |
1927 | case DBAT0U: | |
1928 | gen_op_load_dbat(0, 0); | |
1929 | break; | |
1930 | case DBAT1U: | |
1931 | gen_op_load_dbat(0, 1); | |
1932 | break; | |
1933 | case DBAT2U: | |
1934 | gen_op_load_dbat(0, 2); | |
1935 | break; | |
1936 | case DBAT3U: | |
1937 | gen_op_load_dbat(0, 3); | |
1938 | break; | |
1939 | case DBAT4U: | |
1940 | gen_op_load_dbat(0, 4); | |
1941 | break; | |
1942 | case DBAT5U: | |
1943 | gen_op_load_dbat(0, 5); | |
1944 | break; | |
1945 | case DBAT6U: | |
1946 | gen_op_load_dbat(0, 6); | |
1947 | break; | |
1948 | case DBAT7U: | |
1949 | gen_op_load_dbat(0, 7); | |
1950 | break; | |
1951 | case DBAT0L: | |
1952 | gen_op_load_dbat(1, 0); | |
1953 | break; | |
1954 | case DBAT1L: | |
1955 | gen_op_load_dbat(1, 1); | |
1956 | break; | |
1957 | case DBAT2L: | |
1958 | gen_op_load_dbat(1, 2); | |
1959 | break; | |
1960 | case DBAT3L: | |
1961 | gen_op_load_dbat(1, 3); | |
1962 | break; | |
1963 | case DBAT4L: | |
1964 | gen_op_load_dbat(1, 4); | |
1965 | break; | |
1966 | case DBAT5L: | |
1967 | gen_op_load_dbat(1, 5); | |
1968 | break; | |
1969 | case DBAT6L: | |
1970 | gen_op_load_dbat(1, 6); | |
1971 | break; | |
1972 | case DBAT7L: | |
1973 | gen_op_load_dbat(1, 7); | |
1974 | break; | |
1975 | case SDR1: | |
1976 | gen_op_load_sdr1(); | |
1977 | break; | |
1978 | case V_TBL: | |
79aceca5 FB |
1979 | gen_op_update_tb(ctx->tb_offset); |
1980 | ctx->tb_offset = 0; | |
9a64fbe4 | 1981 | /* TBL is still in T0 */ |
79aceca5 | 1982 | break; |
9a64fbe4 | 1983 | case V_TBU: |
79aceca5 FB |
1984 | gen_op_update_tb(ctx->tb_offset); |
1985 | ctx->tb_offset = 0; | |
9a64fbe4 FB |
1986 | gen_op_load_tb(1); |
1987 | break; | |
1988 | case DECR: | |
1989 | gen_op_update_decr(ctx->decr_offset); | |
1990 | ctx->decr_offset = 0; | |
1991 | /* decr is still in T0 */ | |
79aceca5 FB |
1992 | break; |
1993 | default: | |
1994 | gen_op_load_spr(sprn); | |
1995 | break; | |
1996 | } | |
9a64fbe4 | 1997 | gen_op_store_T0_gpr(rD(ctx->opcode)); |
79aceca5 FB |
1998 | } |
1999 | ||
2000 | /* mftb */ | |
2001 | GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MISC) | |
2002 | { | |
2003 | uint32_t sprn = SPR(ctx->opcode); | |
2004 | ||
79aceca5 | 2005 | /* We need to update the time base before reading it */ |
9a64fbe4 FB |
2006 | switch (sprn) { |
2007 | case V_TBL: | |
79aceca5 | 2008 | gen_op_update_tb(ctx->tb_offset); |
9a64fbe4 | 2009 | /* TBL is still in T0 */ |
79aceca5 | 2010 | break; |
9a64fbe4 | 2011 | case V_TBU: |
79aceca5 | 2012 | gen_op_update_tb(ctx->tb_offset); |
9a64fbe4 | 2013 | gen_op_load_tb(1); |
79aceca5 FB |
2014 | break; |
2015 | default: | |
9a64fbe4 | 2016 | RET_INVAL(); |
79aceca5 FB |
2017 | break; |
2018 | } | |
9a64fbe4 FB |
2019 | ctx->tb_offset = 0; |
2020 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
2021 | } |
2022 | ||
2023 | /* mtcrf */ | |
2024 | GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00100801, PPC_MISC) | |
2025 | { | |
2026 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
2027 | gen_op_store_cr(CRM(ctx->opcode)); | |
79aceca5 FB |
2028 | } |
2029 | ||
2030 | /* mtmsr */ | |
2031 | GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC) | |
2032 | { | |
9a64fbe4 FB |
2033 | #if defined(CONFIG_USER_ONLY) |
2034 | RET_PRIVREG(); | |
2035 | #else | |
2036 | if (!ctx->supervisor) { | |
2037 | RET_PRIVREG(); | |
2038 | } | |
79aceca5 FB |
2039 | gen_op_load_gpr_T0(rS(ctx->opcode)); |
2040 | gen_op_store_msr(); | |
2041 | /* Must stop the translation as machine state (may have) changed */ | |
9a64fbe4 FB |
2042 | ctx->exception = EXCP_MTMSR; |
2043 | #endif | |
79aceca5 FB |
2044 | } |
2045 | ||
2046 | /* mtspr */ | |
2047 | GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC) | |
2048 | { | |
2049 | uint32_t sprn = SPR(ctx->opcode); | |
2050 | ||
9a64fbe4 FB |
2051 | #if 0 |
2052 | if (loglevel > 0) { | |
2053 | fprintf(logfile, "MTSPR %d src=%d (%d)\n", SPR_ENCODE(sprn), | |
2054 | rS(ctx->opcode), sprn); | |
2055 | } | |
2056 | #endif | |
2057 | #if defined(CONFIG_USER_ONLY) | |
2058 | switch (check_spr_access(sprn, 1, 0)) | |
2059 | #else | |
2060 | switch (check_spr_access(sprn, 1, ctx->supervisor)) | |
2061 | #endif | |
2062 | { | |
2063 | case -1: | |
2064 | RET_EXCP(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); | |
2065 | break; | |
2066 | case 0: | |
2067 | RET_PRIVREG(); | |
2068 | break; | |
2069 | default: | |
2070 | break; | |
2071 | } | |
79aceca5 | 2072 | gen_op_load_gpr_T0(rS(ctx->opcode)); |
9a64fbe4 FB |
2073 | switch (sprn) { |
2074 | case XER: | |
79aceca5 | 2075 | gen_op_store_xer(); |
9a64fbe4 FB |
2076 | break; |
2077 | case LR: | |
2078 | gen_op_andi_(~0x03); | |
2079 | gen_op_store_lr(); | |
2080 | break; | |
2081 | case CTR: | |
2082 | gen_op_store_ctr(); | |
2083 | break; | |
2084 | case IBAT0U: | |
2085 | gen_op_store_ibat(0, 0); | |
2086 | gen_op_tlbia(); | |
2087 | break; | |
2088 | case IBAT1U: | |
2089 | gen_op_store_ibat(0, 1); | |
2090 | gen_op_tlbia(); | |
2091 | break; | |
2092 | case IBAT2U: | |
2093 | gen_op_store_ibat(0, 2); | |
2094 | gen_op_tlbia(); | |
2095 | break; | |
2096 | case IBAT3U: | |
2097 | gen_op_store_ibat(0, 3); | |
2098 | gen_op_tlbia(); | |
2099 | break; | |
2100 | case IBAT4U: | |
2101 | gen_op_store_ibat(0, 4); | |
2102 | gen_op_tlbia(); | |
2103 | break; | |
2104 | case IBAT5U: | |
2105 | gen_op_store_ibat(0, 5); | |
2106 | gen_op_tlbia(); | |
2107 | break; | |
2108 | case IBAT6U: | |
2109 | gen_op_store_ibat(0, 6); | |
2110 | gen_op_tlbia(); | |
2111 | break; | |
2112 | case IBAT7U: | |
2113 | gen_op_store_ibat(0, 7); | |
2114 | gen_op_tlbia(); | |
2115 | break; | |
2116 | case IBAT0L: | |
2117 | gen_op_store_ibat(1, 0); | |
2118 | gen_op_tlbia(); | |
2119 | break; | |
2120 | case IBAT1L: | |
2121 | gen_op_store_ibat(1, 1); | |
2122 | gen_op_tlbia(); | |
2123 | break; | |
2124 | case IBAT2L: | |
2125 | gen_op_store_ibat(1, 2); | |
2126 | gen_op_tlbia(); | |
2127 | break; | |
2128 | case IBAT3L: | |
2129 | gen_op_store_ibat(1, 3); | |
2130 | gen_op_tlbia(); | |
2131 | break; | |
2132 | case IBAT4L: | |
2133 | gen_op_store_ibat(1, 4); | |
2134 | gen_op_tlbia(); | |
2135 | break; | |
2136 | case IBAT5L: | |
2137 | gen_op_store_ibat(1, 5); | |
2138 | gen_op_tlbia(); | |
2139 | break; | |
2140 | case IBAT6L: | |
2141 | gen_op_store_ibat(1, 6); | |
2142 | gen_op_tlbia(); | |
2143 | break; | |
2144 | case IBAT7L: | |
2145 | gen_op_store_ibat(1, 7); | |
2146 | gen_op_tlbia(); | |
2147 | break; | |
2148 | case DBAT0U: | |
2149 | gen_op_store_dbat(0, 0); | |
2150 | gen_op_tlbia(); | |
2151 | break; | |
2152 | case DBAT1U: | |
2153 | gen_op_store_dbat(0, 1); | |
2154 | gen_op_tlbia(); | |
2155 | break; | |
2156 | case DBAT2U: | |
2157 | gen_op_store_dbat(0, 2); | |
2158 | gen_op_tlbia(); | |
2159 | break; | |
2160 | case DBAT3U: | |
2161 | gen_op_store_dbat(0, 3); | |
2162 | gen_op_tlbia(); | |
2163 | break; | |
2164 | case DBAT4U: | |
2165 | gen_op_store_dbat(0, 4); | |
2166 | gen_op_tlbia(); | |
2167 | break; | |
2168 | case DBAT5U: | |
2169 | gen_op_store_dbat(0, 5); | |
2170 | gen_op_tlbia(); | |
2171 | break; | |
2172 | case DBAT6U: | |
2173 | gen_op_store_dbat(0, 6); | |
2174 | gen_op_tlbia(); | |
2175 | break; | |
2176 | case DBAT7U: | |
2177 | gen_op_store_dbat(0, 7); | |
2178 | gen_op_tlbia(); | |
2179 | break; | |
2180 | case DBAT0L: | |
2181 | gen_op_store_dbat(1, 0); | |
2182 | gen_op_tlbia(); | |
2183 | break; | |
2184 | case DBAT1L: | |
2185 | gen_op_store_dbat(1, 1); | |
2186 | gen_op_tlbia(); | |
2187 | break; | |
2188 | case DBAT2L: | |
2189 | gen_op_store_dbat(1, 2); | |
2190 | gen_op_tlbia(); | |
2191 | break; | |
2192 | case DBAT3L: | |
2193 | gen_op_store_dbat(1, 3); | |
2194 | gen_op_tlbia(); | |
2195 | break; | |
2196 | case DBAT4L: | |
2197 | gen_op_store_dbat(1, 4); | |
2198 | gen_op_tlbia(); | |
2199 | break; | |
2200 | case DBAT5L: | |
2201 | gen_op_store_dbat(1, 5); | |
2202 | gen_op_tlbia(); | |
2203 | break; | |
2204 | case DBAT6L: | |
2205 | gen_op_store_dbat(1, 6); | |
2206 | gen_op_tlbia(); | |
2207 | break; | |
2208 | case DBAT7L: | |
2209 | gen_op_store_dbat(1, 7); | |
2210 | gen_op_tlbia(); | |
2211 | break; | |
2212 | case SDR1: | |
2213 | gen_op_store_sdr1(); | |
2214 | gen_op_tlbia(); | |
2215 | break; | |
2216 | case O_TBL: | |
2217 | gen_op_store_tb(0); | |
2218 | ctx->tb_offset = 0; | |
2219 | break; | |
2220 | case O_TBU: | |
2221 | gen_op_store_tb(1); | |
2222 | ctx->tb_offset = 0; | |
2223 | break; | |
2224 | case DECR: | |
2225 | gen_op_store_decr(); | |
2226 | ctx->decr_offset = 0; | |
2227 | break; | |
2228 | default: | |
79aceca5 | 2229 | gen_op_store_spr(sprn); |
9a64fbe4 | 2230 | break; |
79aceca5 | 2231 | } |
79aceca5 FB |
2232 | } |
2233 | ||
2234 | /*** Cache management ***/ | |
2235 | /* For now, all those will be implemented as nop: | |
2236 | * this is valid, regarding the PowerPC specs... | |
9a64fbe4 | 2237 | * We just have to flush tb while invalidating instruction cache lines... |
79aceca5 FB |
2238 | */ |
2239 | /* dcbf */ | |
9a64fbe4 | 2240 | GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03E00001, PPC_CACHE) |
79aceca5 | 2241 | { |
79aceca5 FB |
2242 | } |
2243 | ||
2244 | /* dcbi (Supervisor only) */ | |
9a64fbe4 | 2245 | GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE) |
79aceca5 | 2246 | { |
9a64fbe4 FB |
2247 | #if !defined(CONFIG_USER_ONLY) |
2248 | if (!ctx->supervisor) | |
2249 | #endif | |
2250 | { | |
2251 | RET_PRIVOPC(); | |
2252 | } | |
79aceca5 FB |
2253 | } |
2254 | ||
2255 | /* dcdst */ | |
9a64fbe4 | 2256 | GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE) |
79aceca5 | 2257 | { |
79aceca5 FB |
2258 | } |
2259 | ||
2260 | /* dcbt */ | |
9a64fbe4 | 2261 | GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x03E00001, PPC_CACHE) |
79aceca5 | 2262 | { |
79aceca5 FB |
2263 | } |
2264 | ||
2265 | /* dcbtst */ | |
9a64fbe4 | 2266 | GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x03E00001, PPC_CACHE) |
79aceca5 | 2267 | { |
79aceca5 FB |
2268 | } |
2269 | ||
2270 | /* dcbz */ | |
9a64fbe4 FB |
2271 | #if defined(CONFIG_USER_ONLY) |
2272 | #define op_dcbz() gen_op_dcbz_raw() | |
2273 | #else | |
2274 | #define op_dcbz() (*gen_op_dcbz[ctx->mem_idx])() | |
2275 | static GenOpFunc *gen_op_dcbz[] = { | |
2276 | &gen_op_dcbz_user, | |
2277 | &gen_op_dcbz_kernel, | |
2278 | }; | |
2279 | #endif | |
2280 | ||
2281 | GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE) | |
79aceca5 | 2282 | { |
fb0eaffc FB |
2283 | if (rA(ctx->opcode) == 0) { |
2284 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
fb0eaffc FB |
2285 | } else { |
2286 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
2287 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
9a64fbe4 | 2288 | gen_op_add(); |
fb0eaffc | 2289 | } |
9a64fbe4 | 2290 | op_dcbz(); |
79aceca5 FB |
2291 | } |
2292 | ||
2293 | /* icbi */ | |
9a64fbe4 | 2294 | GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE) |
79aceca5 | 2295 | { |
fb0eaffc FB |
2296 | if (rA(ctx->opcode) == 0) { |
2297 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
fb0eaffc FB |
2298 | } else { |
2299 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
2300 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
9a64fbe4 | 2301 | gen_op_add(); |
fb0eaffc | 2302 | } |
9a64fbe4 | 2303 | gen_op_icbi(); |
79aceca5 FB |
2304 | } |
2305 | ||
2306 | /* Optional: */ | |
2307 | /* dcba */ | |
9a64fbe4 | 2308 | GEN_HANDLER(dcba, 0x1F, 0x16, 0x07, 0x03E00001, PPC_CACHE_OPT) |
79aceca5 | 2309 | { |
79aceca5 FB |
2310 | } |
2311 | ||
2312 | /*** Segment register manipulation ***/ | |
2313 | /* Supervisor only: */ | |
2314 | /* mfsr */ | |
2315 | GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT) | |
2316 | { | |
9a64fbe4 FB |
2317 | #if defined(CONFIG_USER_ONLY) |
2318 | RET_PRIVREG(); | |
2319 | #else | |
2320 | if (!ctx->supervisor) { | |
2321 | RET_PRIVREG(); | |
2322 | } | |
2323 | gen_op_load_sr(SR(ctx->opcode)); | |
2324 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
2325 | #endif | |
79aceca5 FB |
2326 | } |
2327 | ||
2328 | /* mfsrin */ | |
9a64fbe4 | 2329 | GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT) |
79aceca5 | 2330 | { |
9a64fbe4 FB |
2331 | #if defined(CONFIG_USER_ONLY) |
2332 | RET_PRIVREG(); | |
2333 | #else | |
2334 | if (!ctx->supervisor) { | |
2335 | RET_PRIVREG(); | |
2336 | } | |
2337 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
2338 | gen_op_load_srin(); | |
2339 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
2340 | #endif | |
79aceca5 FB |
2341 | } |
2342 | ||
2343 | /* mtsr */ | |
2344 | GEN_HANDLER(mtsr, 0x1F, 0x12, 0x02, 0x0010F801, PPC_SEGMENT) | |
2345 | { | |
9a64fbe4 FB |
2346 | #if defined(CONFIG_USER_ONLY) |
2347 | RET_PRIVREG(); | |
2348 | #else | |
2349 | if (!ctx->supervisor) { | |
2350 | RET_PRIVREG(); | |
2351 | } | |
2352 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
2353 | gen_op_store_sr(SR(ctx->opcode)); | |
2354 | gen_op_tlbia(); | |
2355 | #endif | |
79aceca5 FB |
2356 | } |
2357 | ||
2358 | /* mtsrin */ | |
9a64fbe4 | 2359 | GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT) |
79aceca5 | 2360 | { |
9a64fbe4 FB |
2361 | #if defined(CONFIG_USER_ONLY) |
2362 | RET_PRIVREG(); | |
2363 | #else | |
2364 | if (!ctx->supervisor) { | |
2365 | RET_PRIVREG(); | |
2366 | } | |
2367 | gen_op_load_gpr_T0(rS(ctx->opcode)); | |
2368 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
2369 | gen_op_store_srin(); | |
2370 | gen_op_tlbia(); | |
2371 | #endif | |
79aceca5 FB |
2372 | } |
2373 | ||
2374 | /*** Lookaside buffer management ***/ | |
2375 | /* Optional & supervisor only: */ | |
2376 | /* tlbia */ | |
9a64fbe4 | 2377 | GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_OPT) |
79aceca5 | 2378 | { |
9a64fbe4 FB |
2379 | #if defined(CONFIG_USER_ONLY) |
2380 | RET_PRIVOPC(); | |
2381 | #else | |
2382 | if (!ctx->supervisor) { | |
2383 | RET_PRIVOPC(); | |
2384 | } | |
2385 | gen_op_tlbia(); | |
2386 | #endif | |
79aceca5 FB |
2387 | } |
2388 | ||
2389 | /* tlbie */ | |
9a64fbe4 | 2390 | GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM) |
79aceca5 | 2391 | { |
9a64fbe4 FB |
2392 | #if defined(CONFIG_USER_ONLY) |
2393 | RET_PRIVOPC(); | |
2394 | #else | |
2395 | if (!ctx->supervisor) { | |
2396 | RET_PRIVOPC(); | |
2397 | } | |
2398 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
2399 | gen_op_tlbie(); | |
2400 | #endif | |
79aceca5 FB |
2401 | } |
2402 | ||
2403 | /* tlbsync */ | |
2404 | GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFFC01, PPC_MEM) | |
2405 | { | |
9a64fbe4 FB |
2406 | #if defined(CONFIG_USER_ONLY) |
2407 | RET_PRIVOPC(); | |
2408 | #else | |
2409 | if (!ctx->supervisor) { | |
2410 | RET_PRIVOPC(); | |
2411 | } | |
2412 | /* This has no effect: it should ensure that all previous | |
2413 | * tlbie have completed | |
2414 | */ | |
2415 | #endif | |
79aceca5 FB |
2416 | } |
2417 | ||
2418 | /*** External control ***/ | |
2419 | /* Optional: */ | |
2420 | /* eciwx */ | |
9a64fbe4 FB |
2421 | #if defined(CONFIG_USER_ONLY) |
2422 | #define op_eciwx() gen_op_eciwx_raw() | |
2423 | #define op_ecowx() gen_op_ecowx_raw() | |
2424 | #else | |
2425 | #define op_eciwx() (*gen_op_eciwx[ctx->mem_idx])() | |
2426 | #define op_ecowx() (*gen_op_ecowx[ctx->mem_idx])() | |
2427 | static GenOpFunc *gen_op_eciwx[] = { | |
2428 | &gen_op_eciwx_user, | |
2429 | &gen_op_eciwx_kernel, | |
2430 | }; | |
2431 | static GenOpFunc *gen_op_ecowx[] = { | |
2432 | &gen_op_ecowx_user, | |
2433 | &gen_op_ecowx_kernel, | |
2434 | }; | |
2435 | #endif | |
2436 | ||
79aceca5 FB |
2437 | GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN) |
2438 | { | |
9a64fbe4 FB |
2439 | /* Should check EAR[E] & alignment ! */ |
2440 | if (rA(ctx->opcode) == 0) { | |
2441 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
2442 | } else { | |
2443 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
2444 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
2445 | gen_op_add(); | |
2446 | } | |
2447 | op_eciwx(); | |
2448 | gen_op_store_T0_gpr(rD(ctx->opcode)); | |
79aceca5 FB |
2449 | } |
2450 | ||
2451 | /* ecowx */ | |
2452 | GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN) | |
2453 | { | |
9a64fbe4 FB |
2454 | /* Should check EAR[E] & alignment ! */ |
2455 | if (rA(ctx->opcode) == 0) { | |
2456 | gen_op_load_gpr_T0(rB(ctx->opcode)); | |
2457 | } else { | |
2458 | gen_op_load_gpr_T0(rA(ctx->opcode)); | |
2459 | gen_op_load_gpr_T1(rB(ctx->opcode)); | |
2460 | gen_op_add(); | |
2461 | } | |
2462 | gen_op_load_gpr_T2(rS(ctx->opcode)); | |
2463 | op_ecowx(); | |
79aceca5 FB |
2464 | } |
2465 | ||
2466 | /* End opcode list */ | |
2467 | GEN_OPCODE_MARK(end); | |
2468 | ||
2469 | /*****************************************************************************/ | |
9a64fbe4 | 2470 | #include <stdlib.h> |
79aceca5 | 2471 | #include <string.h> |
9a64fbe4 FB |
2472 | |
2473 | int fflush (FILE *stream); | |
79aceca5 FB |
2474 | |
2475 | /* Main ppc opcodes table: | |
2476 | * at init, all opcodes are invalids | |
2477 | */ | |
2478 | static opc_handler_t *ppc_opcodes[0x40]; | |
2479 | ||
2480 | /* Opcode types */ | |
2481 | enum { | |
2482 | PPC_DIRECT = 0, /* Opcode routine */ | |
2483 | PPC_INDIRECT = 1, /* Indirect opcode table */ | |
2484 | }; | |
2485 | ||
2486 | static inline int is_indirect_opcode (void *handler) | |
2487 | { | |
2488 | return ((unsigned long)handler & 0x03) == PPC_INDIRECT; | |
2489 | } | |
2490 | ||
2491 | static inline opc_handler_t **ind_table(void *handler) | |
2492 | { | |
2493 | return (opc_handler_t **)((unsigned long)handler & ~3); | |
2494 | } | |
2495 | ||
9a64fbe4 | 2496 | /* Instruction table creation */ |
79aceca5 FB |
2497 | /* Opcodes tables creation */ |
2498 | static void fill_new_table (opc_handler_t **table, int len) | |
2499 | { | |
2500 | int i; | |
2501 | ||
2502 | for (i = 0; i < len; i++) | |
2503 | table[i] = &invalid_handler; | |
2504 | } | |
2505 | ||
2506 | static int create_new_table (opc_handler_t **table, unsigned char idx) | |
2507 | { | |
2508 | opc_handler_t **tmp; | |
2509 | ||
2510 | tmp = malloc(0x20 * sizeof(opc_handler_t)); | |
2511 | if (tmp == NULL) | |
2512 | return -1; | |
2513 | fill_new_table(tmp, 0x20); | |
2514 | table[idx] = (opc_handler_t *)((unsigned long)tmp | PPC_INDIRECT); | |
2515 | ||
2516 | return 0; | |
2517 | } | |
2518 | ||
2519 | static int insert_in_table (opc_handler_t **table, unsigned char idx, | |
2520 | opc_handler_t *handler) | |
2521 | { | |
2522 | if (table[idx] != &invalid_handler) | |
2523 | return -1; | |
2524 | table[idx] = handler; | |
2525 | ||
2526 | return 0; | |
2527 | } | |
2528 | ||
9a64fbe4 FB |
2529 | static int register_direct_insn (opc_handler_t **ppc_opcodes, |
2530 | unsigned char idx, opc_handler_t *handler) | |
79aceca5 FB |
2531 | { |
2532 | if (insert_in_table(ppc_opcodes, idx, handler) < 0) { | |
9a64fbe4 | 2533 | printf("*** ERROR: opcode %02x already assigned in main " |
79aceca5 FB |
2534 | "opcode table\n", idx); |
2535 | return -1; | |
2536 | } | |
2537 | ||
2538 | return 0; | |
2539 | } | |
2540 | ||
2541 | static int register_ind_in_table (opc_handler_t **table, | |
2542 | unsigned char idx1, unsigned char idx2, | |
2543 | opc_handler_t *handler) | |
2544 | { | |
2545 | if (table[idx1] == &invalid_handler) { | |
2546 | if (create_new_table(table, idx1) < 0) { | |
9a64fbe4 | 2547 | printf("*** ERROR: unable to create indirect table " |
79aceca5 FB |
2548 | "idx=%02x\n", idx1); |
2549 | return -1; | |
2550 | } | |
2551 | } else { | |
2552 | if (!is_indirect_opcode(table[idx1])) { | |
9a64fbe4 | 2553 | printf("*** ERROR: idx %02x already assigned to a direct " |
79aceca5 FB |
2554 | "opcode\n", idx1); |
2555 | return -1; | |
2556 | } | |
2557 | } | |
2558 | if (handler != NULL && | |
2559 | insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) { | |
9a64fbe4 | 2560 | printf("*** ERROR: opcode %02x already assigned in " |
79aceca5 FB |
2561 | "opcode table %02x\n", idx2, idx1); |
2562 | return -1; | |
2563 | } | |
2564 | ||
2565 | return 0; | |
2566 | } | |
2567 | ||
9a64fbe4 FB |
2568 | static int register_ind_insn (opc_handler_t **ppc_opcodes, |
2569 | unsigned char idx1, unsigned char idx2, | |
79aceca5 FB |
2570 | opc_handler_t *handler) |
2571 | { | |
2572 | int ret; | |
2573 | ||
2574 | ret = register_ind_in_table(ppc_opcodes, idx1, idx2, handler); | |
2575 | ||
2576 | return ret; | |
2577 | } | |
2578 | ||
9a64fbe4 FB |
2579 | static int register_dblind_insn (opc_handler_t **ppc_opcodes, |
2580 | unsigned char idx1, unsigned char idx2, | |
79aceca5 FB |
2581 | unsigned char idx3, opc_handler_t *handler) |
2582 | { | |
2583 | if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { | |
9a64fbe4 | 2584 | printf("*** ERROR: unable to join indirect table idx " |
79aceca5 FB |
2585 | "[%02x-%02x]\n", idx1, idx2); |
2586 | return -1; | |
2587 | } | |
2588 | if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3, | |
2589 | handler) < 0) { | |
9a64fbe4 | 2590 | printf("*** ERROR: unable to insert opcode " |
79aceca5 FB |
2591 | "[%02x-%02x-%02x]\n", idx1, idx2, idx3); |
2592 | return -1; | |
2593 | } | |
2594 | ||
2595 | return 0; | |
2596 | } | |
2597 | ||
9a64fbe4 | 2598 | static int register_insn (opc_handler_t **ppc_opcodes, opcode_t *insn) |
79aceca5 FB |
2599 | { |
2600 | if (insn->opc2 != 0xFF) { | |
2601 | if (insn->opc3 != 0xFF) { | |
9a64fbe4 FB |
2602 | if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2, |
2603 | insn->opc3, &insn->handler) < 0) | |
79aceca5 FB |
2604 | return -1; |
2605 | } else { | |
9a64fbe4 FB |
2606 | if (register_ind_insn(ppc_opcodes, insn->opc1, |
2607 | insn->opc2, &insn->handler) < 0) | |
79aceca5 FB |
2608 | return -1; |
2609 | } | |
2610 | } else { | |
9a64fbe4 | 2611 | if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) |
79aceca5 FB |
2612 | return -1; |
2613 | } | |
2614 | ||
2615 | return 0; | |
2616 | } | |
2617 | ||
2618 | static int test_opcode_table (opc_handler_t **table, int len) | |
2619 | { | |
2620 | int i, count, tmp; | |
2621 | ||
2622 | for (i = 0, count = 0; i < len; i++) { | |
2623 | /* Consistency fixup */ | |
2624 | if (table[i] == NULL) | |
2625 | table[i] = &invalid_handler; | |
2626 | if (table[i] != &invalid_handler) { | |
2627 | if (is_indirect_opcode(table[i])) { | |
2628 | tmp = test_opcode_table(ind_table(table[i]), 0x20); | |
2629 | if (tmp == 0) { | |
2630 | free(table[i]); | |
2631 | table[i] = &invalid_handler; | |
2632 | } else { | |
2633 | count++; | |
2634 | } | |
2635 | } else { | |
2636 | count++; | |
2637 | } | |
2638 | } | |
2639 | } | |
2640 | ||
2641 | return count; | |
2642 | } | |
2643 | ||
9a64fbe4 | 2644 | static void fix_opcode_tables (opc_handler_t **ppc_opcodes) |
79aceca5 FB |
2645 | { |
2646 | if (test_opcode_table(ppc_opcodes, 0x40) == 0) | |
9a64fbe4 | 2647 | printf("*** WARNING: no opcode defined !\n"); |
79aceca5 FB |
2648 | } |
2649 | ||
9a64fbe4 | 2650 | #define SPR_RIGHTS(rw, priv) (1 << ((2 * (priv)) + (rw))) |
79aceca5 FB |
2651 | #define SPR_UR SPR_RIGHTS(0, 0) |
2652 | #define SPR_UW SPR_RIGHTS(1, 0) | |
2653 | #define SPR_SR SPR_RIGHTS(0, 1) | |
2654 | #define SPR_SW SPR_RIGHTS(1, 1) | |
2655 | ||
2656 | #define spr_set_rights(spr, rights) \ | |
2657 | do { \ | |
2658 | spr_access[(spr) >> 1] |= ((rights) << (4 * ((spr) & 1))); \ | |
2659 | } while (0) | |
2660 | ||
9a64fbe4 | 2661 | static void init_spr_rights (uint32_t pvr) |
79aceca5 FB |
2662 | { |
2663 | /* XER (SPR 1) */ | |
9a64fbe4 | 2664 | spr_set_rights(XER, SPR_UR | SPR_UW | SPR_SR | SPR_SW); |
79aceca5 | 2665 | /* LR (SPR 8) */ |
9a64fbe4 | 2666 | spr_set_rights(LR, SPR_UR | SPR_UW | SPR_SR | SPR_SW); |
79aceca5 | 2667 | /* CTR (SPR 9) */ |
9a64fbe4 | 2668 | spr_set_rights(CTR, SPR_UR | SPR_UW | SPR_SR | SPR_SW); |
79aceca5 | 2669 | /* TBL (SPR 268) */ |
9a64fbe4 | 2670 | spr_set_rights(V_TBL, SPR_UR | SPR_SR); |
79aceca5 | 2671 | /* TBU (SPR 269) */ |
9a64fbe4 | 2672 | spr_set_rights(V_TBU, SPR_UR | SPR_SR); |
79aceca5 | 2673 | /* DSISR (SPR 18) */ |
9a64fbe4 | 2674 | spr_set_rights(DSISR, SPR_SR | SPR_SW); |
79aceca5 | 2675 | /* DAR (SPR 19) */ |
9a64fbe4 | 2676 | spr_set_rights(DAR, SPR_SR | SPR_SW); |
79aceca5 | 2677 | /* DEC (SPR 22) */ |
9a64fbe4 | 2678 | spr_set_rights(DECR, SPR_SR | SPR_SW); |
79aceca5 | 2679 | /* SDR1 (SPR 25) */ |
9a64fbe4 FB |
2680 | spr_set_rights(SDR1, SPR_SR | SPR_SW); |
2681 | /* SRR0 (SPR 26) */ | |
2682 | spr_set_rights(SRR0, SPR_SR | SPR_SW); | |
2683 | /* SRR1 (SPR 27) */ | |
2684 | spr_set_rights(SRR1, SPR_SR | SPR_SW); | |
79aceca5 | 2685 | /* SPRG0 (SPR 272) */ |
9a64fbe4 | 2686 | spr_set_rights(SPRG0, SPR_SR | SPR_SW); |
79aceca5 | 2687 | /* SPRG1 (SPR 273) */ |
9a64fbe4 | 2688 | spr_set_rights(SPRG1, SPR_SR | SPR_SW); |
79aceca5 | 2689 | /* SPRG2 (SPR 274) */ |
9a64fbe4 | 2690 | spr_set_rights(SPRG2, SPR_SR | SPR_SW); |
79aceca5 | 2691 | /* SPRG3 (SPR 275) */ |
9a64fbe4 | 2692 | spr_set_rights(SPRG3, SPR_SR | SPR_SW); |
79aceca5 | 2693 | /* ASR (SPR 280) */ |
9a64fbe4 | 2694 | spr_set_rights(ASR, SPR_SR | SPR_SW); |
79aceca5 | 2695 | /* EAR (SPR 282) */ |
9a64fbe4 FB |
2696 | spr_set_rights(EAR, SPR_SR | SPR_SW); |
2697 | /* TBL (SPR 284) */ | |
2698 | spr_set_rights(O_TBL, SPR_SW); | |
2699 | /* TBU (SPR 285) */ | |
2700 | spr_set_rights(O_TBU, SPR_SW); | |
2701 | /* PVR (SPR 287) */ | |
2702 | spr_set_rights(PVR, SPR_SR); | |
79aceca5 | 2703 | /* IBAT0U (SPR 528) */ |
9a64fbe4 | 2704 | spr_set_rights(IBAT0U, SPR_SR | SPR_SW); |
79aceca5 | 2705 | /* IBAT0L (SPR 529) */ |
9a64fbe4 | 2706 | spr_set_rights(IBAT0L, SPR_SR | SPR_SW); |
79aceca5 | 2707 | /* IBAT1U (SPR 530) */ |
9a64fbe4 | 2708 | spr_set_rights(IBAT1U, SPR_SR | SPR_SW); |
79aceca5 | 2709 | /* IBAT1L (SPR 531) */ |
9a64fbe4 | 2710 | spr_set_rights(IBAT1L, SPR_SR | SPR_SW); |
79aceca5 | 2711 | /* IBAT2U (SPR 532) */ |
9a64fbe4 | 2712 | spr_set_rights(IBAT2U, SPR_SR | SPR_SW); |
79aceca5 | 2713 | /* IBAT2L (SPR 533) */ |
9a64fbe4 | 2714 | spr_set_rights(IBAT2L, SPR_SR | SPR_SW); |
79aceca5 | 2715 | /* IBAT3U (SPR 534) */ |
9a64fbe4 | 2716 | spr_set_rights(IBAT3U, SPR_SR | SPR_SW); |
79aceca5 | 2717 | /* IBAT3L (SPR 535) */ |
9a64fbe4 | 2718 | spr_set_rights(IBAT3L, SPR_SR | SPR_SW); |
79aceca5 | 2719 | /* DBAT0U (SPR 536) */ |
9a64fbe4 | 2720 | spr_set_rights(DBAT0U, SPR_SR | SPR_SW); |
79aceca5 | 2721 | /* DBAT0L (SPR 537) */ |
9a64fbe4 | 2722 | spr_set_rights(DBAT0L, SPR_SR | SPR_SW); |
79aceca5 | 2723 | /* DBAT1U (SPR 538) */ |
9a64fbe4 | 2724 | spr_set_rights(DBAT1U, SPR_SR | SPR_SW); |
79aceca5 | 2725 | /* DBAT1L (SPR 539) */ |
9a64fbe4 | 2726 | spr_set_rights(DBAT1L, SPR_SR | SPR_SW); |
79aceca5 | 2727 | /* DBAT2U (SPR 540) */ |
9a64fbe4 | 2728 | spr_set_rights(DBAT2U, SPR_SR | SPR_SW); |
79aceca5 | 2729 | /* DBAT2L (SPR 541) */ |
9a64fbe4 | 2730 | spr_set_rights(DBAT2L, SPR_SR | SPR_SW); |
79aceca5 | 2731 | /* DBAT3U (SPR 542) */ |
9a64fbe4 | 2732 | spr_set_rights(DBAT3U, SPR_SR | SPR_SW); |
79aceca5 | 2733 | /* DBAT3L (SPR 543) */ |
9a64fbe4 | 2734 | spr_set_rights(DBAT3L, SPR_SR | SPR_SW); |
79aceca5 | 2735 | /* DABR (SPR 1013) */ |
9a64fbe4 | 2736 | spr_set_rights(DABR, SPR_SR | SPR_SW); |
79aceca5 | 2737 | /* FPECR (SPR 1022) */ |
9a64fbe4 | 2738 | spr_set_rights(FPECR, SPR_SR | SPR_SW); |
79aceca5 | 2739 | /* PIR (SPR 1023) */ |
9a64fbe4 FB |
2740 | spr_set_rights(PIR, SPR_SR | SPR_SW); |
2741 | /* Special registers for MPC740/745/750/755 (aka G3) & IBM 750 */ | |
2742 | if ((pvr & 0xFFFF0000) == 0x00080000 || | |
2743 | (pvr & 0xFFFF0000) == 0x70000000) { | |
2744 | /* HID0 */ | |
2745 | spr_set_rights(SPR_ENCODE(1008), SPR_SR | SPR_SW); | |
2746 | /* HID1 */ | |
2747 | spr_set_rights(SPR_ENCODE(1009), SPR_SR | SPR_SW); | |
2748 | /* IABR */ | |
2749 | spr_set_rights(SPR_ENCODE(1010), SPR_SR | SPR_SW); | |
2750 | /* ICTC */ | |
2751 | spr_set_rights(SPR_ENCODE(1019), SPR_SR | SPR_SW); | |
2752 | /* L2CR */ | |
2753 | spr_set_rights(SPR_ENCODE(1017), SPR_SR | SPR_SW); | |
2754 | /* MMCR0 */ | |
2755 | spr_set_rights(SPR_ENCODE(952), SPR_SR | SPR_SW); | |
2756 | /* MMCR1 */ | |
2757 | spr_set_rights(SPR_ENCODE(956), SPR_SR | SPR_SW); | |
2758 | /* PMC1 */ | |
2759 | spr_set_rights(SPR_ENCODE(953), SPR_SR | SPR_SW); | |
2760 | /* PMC2 */ | |
2761 | spr_set_rights(SPR_ENCODE(954), SPR_SR | SPR_SW); | |
2762 | /* PMC3 */ | |
2763 | spr_set_rights(SPR_ENCODE(957), SPR_SR | SPR_SW); | |
2764 | /* PMC4 */ | |
2765 | spr_set_rights(SPR_ENCODE(958), SPR_SR | SPR_SW); | |
2766 | /* SIA */ | |
2767 | spr_set_rights(SPR_ENCODE(955), SPR_SR | SPR_SW); | |
2768 | /* THRM1 */ | |
2769 | spr_set_rights(SPR_ENCODE(1020), SPR_SR | SPR_SW); | |
2770 | /* THRM2 */ | |
2771 | spr_set_rights(SPR_ENCODE(1021), SPR_SR | SPR_SW); | |
2772 | /* THRM3 */ | |
2773 | spr_set_rights(SPR_ENCODE(1022), SPR_SR | SPR_SW); | |
2774 | /* UMMCR0 */ | |
2775 | spr_set_rights(SPR_ENCODE(936), SPR_UR | SPR_UW); | |
2776 | /* UMMCR1 */ | |
2777 | spr_set_rights(SPR_ENCODE(940), SPR_UR | SPR_UW); | |
2778 | /* UPMC1 */ | |
2779 | spr_set_rights(SPR_ENCODE(937), SPR_UR | SPR_UW); | |
2780 | /* UPMC2 */ | |
2781 | spr_set_rights(SPR_ENCODE(938), SPR_UR | SPR_UW); | |
2782 | /* UPMC3 */ | |
2783 | spr_set_rights(SPR_ENCODE(941), SPR_UR | SPR_UW); | |
2784 | /* UPMC4 */ | |
2785 | spr_set_rights(SPR_ENCODE(942), SPR_UR | SPR_UW); | |
2786 | /* USIA */ | |
2787 | spr_set_rights(SPR_ENCODE(939), SPR_UR | SPR_UW); | |
2788 | } | |
2789 | /* MPC755 has special registers */ | |
2790 | if (pvr == 0x00083100) { | |
2791 | /* SPRG4 */ | |
2792 | spr_set_rights(SPRG4, SPR_SR | SPR_SW); | |
2793 | /* SPRG5 */ | |
2794 | spr_set_rights(SPRG5, SPR_SR | SPR_SW); | |
2795 | /* SPRG6 */ | |
2796 | spr_set_rights(SPRG6, SPR_SR | SPR_SW); | |
2797 | /* SPRG7 */ | |
2798 | spr_set_rights(SPRG7, SPR_SR | SPR_SW); | |
2799 | /* IBAT4U */ | |
2800 | spr_set_rights(IBAT4U, SPR_SR | SPR_SW); | |
2801 | /* IBAT4L */ | |
2802 | spr_set_rights(IBAT4L, SPR_SR | SPR_SW); | |
2803 | /* IBAT5U */ | |
2804 | spr_set_rights(IBAT5U, SPR_SR | SPR_SW); | |
2805 | /* IBAT5L */ | |
2806 | spr_set_rights(IBAT5L, SPR_SR | SPR_SW); | |
2807 | /* IBAT6U */ | |
2808 | spr_set_rights(IBAT6U, SPR_SR | SPR_SW); | |
2809 | /* IBAT6L */ | |
2810 | spr_set_rights(IBAT6L, SPR_SR | SPR_SW); | |
2811 | /* IBAT7U */ | |
2812 | spr_set_rights(IBAT7U, SPR_SR | SPR_SW); | |
2813 | /* IBAT7L */ | |
2814 | spr_set_rights(IBAT7L, SPR_SR | SPR_SW); | |
2815 | /* DBAT4U */ | |
2816 | spr_set_rights(DBAT4U, SPR_SR | SPR_SW); | |
2817 | /* DBAT4L */ | |
2818 | spr_set_rights(DBAT4L, SPR_SR | SPR_SW); | |
2819 | /* DBAT5U */ | |
2820 | spr_set_rights(DBAT5U, SPR_SR | SPR_SW); | |
2821 | /* DBAT5L */ | |
2822 | spr_set_rights(DBAT5L, SPR_SR | SPR_SW); | |
2823 | /* DBAT6U */ | |
2824 | spr_set_rights(DBAT6U, SPR_SR | SPR_SW); | |
2825 | /* DBAT6L */ | |
2826 | spr_set_rights(DBAT6L, SPR_SR | SPR_SW); | |
2827 | /* DBAT7U */ | |
2828 | spr_set_rights(DBAT7U, SPR_SR | SPR_SW); | |
2829 | /* DBAT7L */ | |
2830 | spr_set_rights(DBAT7L, SPR_SR | SPR_SW); | |
2831 | /* DMISS */ | |
2832 | spr_set_rights(SPR_ENCODE(976), SPR_SR | SPR_SW); | |
2833 | /* DCMP */ | |
2834 | spr_set_rights(SPR_ENCODE(977), SPR_SR | SPR_SW); | |
2835 | /* DHASH1 */ | |
2836 | spr_set_rights(SPR_ENCODE(978), SPR_SR | SPR_SW); | |
2837 | /* DHASH2 */ | |
2838 | spr_set_rights(SPR_ENCODE(979), SPR_SR | SPR_SW); | |
2839 | /* IMISS */ | |
2840 | spr_set_rights(SPR_ENCODE(980), SPR_SR | SPR_SW); | |
2841 | /* ICMP */ | |
2842 | spr_set_rights(SPR_ENCODE(981), SPR_SR | SPR_SW); | |
2843 | /* RPA */ | |
2844 | spr_set_rights(SPR_ENCODE(982), SPR_SR | SPR_SW); | |
2845 | /* HID2 */ | |
2846 | spr_set_rights(SPR_ENCODE(1011), SPR_SR | SPR_SW); | |
2847 | /* L2PM */ | |
2848 | spr_set_rights(SPR_ENCODE(1016), SPR_SR | SPR_SW); | |
2849 | } | |
79aceca5 FB |
2850 | } |
2851 | ||
9a64fbe4 FB |
2852 | /*****************************************************************************/ |
2853 | /* PPC "main stream" common instructions (no optional ones) */ | |
79aceca5 FB |
2854 | |
2855 | typedef struct ppc_proc_t { | |
2856 | int flags; | |
2857 | void *specific; | |
2858 | } ppc_proc_t; | |
2859 | ||
2860 | typedef struct ppc_def_t { | |
2861 | unsigned long pvr; | |
2862 | unsigned long pvr_mask; | |
2863 | ppc_proc_t *proc; | |
2864 | } ppc_def_t; | |
2865 | ||
2866 | static ppc_proc_t ppc_proc_common = { | |
2867 | .flags = PPC_COMMON, | |
2868 | .specific = NULL, | |
2869 | }; | |
2870 | ||
9a64fbe4 FB |
2871 | static ppc_proc_t ppc_proc_G3 = { |
2872 | .flags = PPC_750, | |
2873 | .specific = NULL, | |
2874 | }; | |
2875 | ||
79aceca5 FB |
2876 | static ppc_def_t ppc_defs[] = |
2877 | { | |
9a64fbe4 FB |
2878 | /* MPC740/745/750/755 (G3) */ |
2879 | { | |
2880 | .pvr = 0x00080000, | |
2881 | .pvr_mask = 0xFFFF0000, | |
2882 | .proc = &ppc_proc_G3, | |
2883 | }, | |
2884 | /* IBM 750FX (G3 embedded) */ | |
2885 | { | |
2886 | .pvr = 0x70000000, | |
2887 | .pvr_mask = 0xFFFF0000, | |
2888 | .proc = &ppc_proc_G3, | |
2889 | }, | |
2890 | /* Fallback (generic PPC) */ | |
79aceca5 FB |
2891 | { |
2892 | .pvr = 0x00000000, | |
2893 | .pvr_mask = 0x00000000, | |
2894 | .proc = &ppc_proc_common, | |
2895 | }, | |
2896 | }; | |
2897 | ||
9a64fbe4 | 2898 | static int create_ppc_proc (opc_handler_t **ppc_opcodes, unsigned long pvr) |
79aceca5 FB |
2899 | { |
2900 | opcode_t *opc; | |
2901 | int i, flags; | |
2902 | ||
2903 | fill_new_table(ppc_opcodes, 0x40); | |
2904 | for (i = 0; ; i++) { | |
2905 | if ((ppc_defs[i].pvr & ppc_defs[i].pvr_mask) == | |
2906 | (pvr & ppc_defs[i].pvr_mask)) { | |
2907 | flags = ppc_defs[i].proc->flags; | |
2908 | break; | |
2909 | } | |
2910 | } | |
2911 | ||
2912 | for (opc = &opc_start + 1; opc != &opc_end; opc++) { | |
9a64fbe4 FB |
2913 | if ((opc->handler.type & flags) != 0) |
2914 | if (register_insn(ppc_opcodes, opc) < 0) { | |
2915 | printf("*** ERROR initializing PPC instruction " | |
79aceca5 FB |
2916 | "0x%02x 0x%02x 0x%02x\n", opc->opc1, opc->opc2, |
2917 | opc->opc3); | |
2918 | return -1; | |
2919 | } | |
2920 | } | |
9a64fbe4 | 2921 | fix_opcode_tables(ppc_opcodes); |
79aceca5 FB |
2922 | |
2923 | return 0; | |
2924 | } | |
2925 | ||
9a64fbe4 | 2926 | |
79aceca5 | 2927 | /*****************************************************************************/ |
9a64fbe4 FB |
2928 | /* Misc PPC helpers */ |
2929 | FILE *stdout; | |
79aceca5 FB |
2930 | |
2931 | void cpu_ppc_dump_state(CPUPPCState *env, FILE *f, int flags) | |
2932 | { | |
2933 | int i; | |
2934 | ||
9a64fbe4 FB |
2935 | fprintf(f, "nip=0x%08x LR=0x%08x CTR=0x%08x XER=0x%08x " |
2936 | "MSR=0x%08x\n", env->nip, env->lr, env->ctr, | |
2937 | _load_xer(), _load_msr()); | |
79aceca5 FB |
2938 | for (i = 0; i < 32; i++) { |
2939 | if ((i & 7) == 0) | |
9a64fbe4 FB |
2940 | fprintf(f, "GPR%02d:", i); |
2941 | fprintf(f, " %08x", env->gpr[i]); | |
79aceca5 | 2942 | if ((i & 7) == 7) |
9a64fbe4 | 2943 | fprintf(f, "\n"); |
79aceca5 | 2944 | } |
9a64fbe4 | 2945 | fprintf(f, "CR: 0x"); |
79aceca5 | 2946 | for (i = 0; i < 8; i++) |
9a64fbe4 FB |
2947 | fprintf(f, "%01x", env->crf[i]); |
2948 | fprintf(f, " ["); | |
79aceca5 FB |
2949 | for (i = 0; i < 8; i++) { |
2950 | char a = '-'; | |
79aceca5 FB |
2951 | if (env->crf[i] & 0x08) |
2952 | a = 'L'; | |
2953 | else if (env->crf[i] & 0x04) | |
2954 | a = 'G'; | |
2955 | else if (env->crf[i] & 0x02) | |
2956 | a = 'E'; | |
9a64fbe4 | 2957 | fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); |
79aceca5 | 2958 | } |
9a64fbe4 FB |
2959 | fprintf(f, " ] "); |
2960 | fprintf(f, "TB: 0x%08x %08x\n", env->tb[1], env->tb[0]); | |
79aceca5 FB |
2961 | for (i = 0; i < 16; i++) { |
2962 | if ((i & 3) == 0) | |
9a64fbe4 FB |
2963 | fprintf(f, "FPR%02d:", i); |
2964 | fprintf(f, " %016llx", *((uint64_t *)&env->fpr[i])); | |
79aceca5 | 2965 | if ((i & 3) == 3) |
9a64fbe4 | 2966 | fprintf(f, "\n"); |
79aceca5 | 2967 | } |
9a64fbe4 FB |
2968 | fprintf(f, "SRR0 0x%08x SRR1 0x%08x\n", |
2969 | env->spr[SRR0], env->spr[SRR1]); | |
2970 | fprintf(f, "reservation 0x%08x\n", env->reserve); | |
2971 | fflush(f); | |
79aceca5 FB |
2972 | } |
2973 | ||
9a64fbe4 FB |
2974 | #if !defined(CONFIG_USER_ONLY) && defined (USE_OPENFIRMWARE) |
2975 | int setup_machine (CPUPPCState *env, uint32_t mid); | |
2976 | #endif | |
2977 | ||
79aceca5 FB |
2978 | CPUPPCState *cpu_ppc_init(void) |
2979 | { | |
2980 | CPUPPCState *env; | |
2981 | ||
2982 | cpu_exec_init(); | |
2983 | ||
2984 | env = malloc(sizeof(CPUPPCState)); | |
2985 | if (!env) | |
2986 | return NULL; | |
2987 | memset(env, 0, sizeof(CPUPPCState)); | |
9a64fbe4 FB |
2988 | #if !defined(CONFIG_USER_ONLY) && defined (USE_OPEN_FIRMWARE) |
2989 | setup_machine(env, 0); | |
2990 | #else | |
2991 | // env->spr[PVR] = 0; /* Basic PPC */ | |
2992 | env->spr[PVR] = 0x00080100; /* G3 CPU */ | |
2993 | // env->spr[PVR] = 0x00083100; /* MPC755 (G3 embedded) */ | |
2994 | // env->spr[PVR] = 0x00070100; /* IBM 750FX */ | |
2995 | #endif | |
2996 | env->decr = 0xFFFFFFFF; | |
2997 | if (create_ppc_proc(ppc_opcodes, env->spr[PVR]) < 0) | |
79aceca5 | 2998 | return NULL; |
9a64fbe4 | 2999 | init_spr_rights(env->spr[PVR]); |
ad081323 | 3000 | tlb_flush(env, 1); |
9a64fbe4 FB |
3001 | #if defined (DO_SINGLE_STEP) |
3002 | /* Single step trace mode */ | |
3003 | msr_se = 1; | |
3004 | #endif | |
3005 | #if defined(CONFIG_USER_ONLY) | |
3006 | msr_pr = 1; | |
3007 | #endif | |
79aceca5 FB |
3008 | |
3009 | return env; | |
3010 | } | |
3011 | ||
3012 | void cpu_ppc_close(CPUPPCState *env) | |
3013 | { | |
3014 | /* Should also remove all opcode tables... */ | |
3015 | free(env); | |
3016 | } | |
3017 | ||
9a64fbe4 FB |
3018 | /*****************************************************************************/ |
3019 | void raise_exception_err (int exception_index, int error_code); | |
3020 | int print_insn_powerpc (FILE *out, unsigned long insn, unsigned memaddr, | |
3021 | int dialect); | |
3022 | ||
79aceca5 FB |
3023 | int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
3024 | int search_pc) | |
3025 | { | |
3026 | DisasContext ctx; | |
3027 | opc_handler_t **table, *handler; | |
3028 | uint32_t pc_start; | |
3029 | uint16_t *gen_opc_end; | |
3030 | int j, lj = -1; | |
79aceca5 FB |
3031 | |
3032 | pc_start = tb->pc; | |
3033 | gen_opc_ptr = gen_opc_buf; | |
3034 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; | |
3035 | gen_opparam_ptr = gen_opparam_buf; | |
3036 | ctx.nip = (uint32_t *)pc_start; | |
3037 | ctx.tb_offset = 0; | |
9a64fbe4 | 3038 | ctx.decr_offset = 0; |
79aceca5 | 3039 | ctx.tb = tb; |
9a64fbe4 FB |
3040 | ctx.exception = EXCP_NONE; |
3041 | #if defined(CONFIG_USER_ONLY) | |
3042 | ctx.mem_idx = 0; | |
3043 | #else | |
3044 | ctx.supervisor = 1 - msr_pr; | |
3045 | ctx.mem_idx = (1 - msr_pr); | |
3046 | #endif | |
3047 | #if defined (DO_SINGLE_STEP) | |
3048 | /* Single step trace mode */ | |
3049 | msr_se = 1; | |
3050 | #endif | |
3051 | /* Set env in case of segfault during code fetch */ | |
3052 | while (ctx.exception == EXCP_NONE && gen_opc_ptr < gen_opc_end) { | |
79aceca5 FB |
3053 | if (search_pc) { |
3054 | if (loglevel > 0) | |
3055 | fprintf(logfile, "Search PC...\n"); | |
3056 | j = gen_opc_ptr - gen_opc_buf; | |
3057 | if (lj < j) { | |
3058 | lj++; | |
3059 | while (lj < j) | |
3060 | gen_opc_instr_start[lj++] = 0; | |
3061 | gen_opc_pc[lj] = (uint32_t)ctx.nip; | |
3062 | gen_opc_instr_start[lj] = 1; | |
3063 | } | |
3064 | } | |
9a64fbe4 | 3065 | #if defined DEBUG_DISAS |
79aceca5 FB |
3066 | if (loglevel > 0) { |
3067 | fprintf(logfile, "----------------\n"); | |
9a64fbe4 FB |
3068 | fprintf(logfile, "nip=%p super=%d ir=%d\n", |
3069 | ctx.nip, 1 - msr_pr, msr_ir); | |
3070 | } | |
3071 | #endif | |
3072 | ctx.opcode = ldl_code(ctx.nip); | |
3073 | #if defined DEBUG_DISAS | |
3074 | if (loglevel > 0) { | |
3075 | fprintf(logfile, "translate opcode %08x (%02x %02x %02x)\n", | |
3076 | ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), | |
3077 | opc3(ctx.opcode)); | |
79aceca5 FB |
3078 | } |
3079 | #endif | |
3080 | ctx.nip++; | |
9a64fbe4 FB |
3081 | ctx.tb_offset++; |
3082 | /* Check decrementer exception */ | |
3083 | if (++ctx.decr_offset == env->decr + 1) | |
3084 | ctx.exception = EXCP_DECR; | |
79aceca5 FB |
3085 | table = ppc_opcodes; |
3086 | handler = table[opc1(ctx.opcode)]; | |
3087 | if (is_indirect_opcode(handler)) { | |
3088 | table = ind_table(handler); | |
3089 | handler = table[opc2(ctx.opcode)]; | |
3090 | if (is_indirect_opcode(handler)) { | |
3091 | table = ind_table(handler); | |
3092 | handler = table[opc3(ctx.opcode)]; | |
3093 | } | |
3094 | } | |
3095 | /* Is opcode *REALLY* valid ? */ | |
3096 | if ((ctx.opcode & handler->inval) != 0) { | |
3097 | if (loglevel > 0) { | |
3098 | if (handler->handler == &gen_invalid) { | |
3099 | fprintf(logfile, "invalid/unsupported opcode: " | |
9a64fbe4 FB |
3100 | "%02x -%02x - %02x (%08x) %p\n", |
3101 | opc1(ctx.opcode), opc2(ctx.opcode), | |
3102 | opc3(ctx.opcode), ctx.opcode, ctx.nip - 1); | |
79aceca5 FB |
3103 | } else { |
3104 | fprintf(logfile, "invalid bits: %08x for opcode: " | |
9a64fbe4 | 3105 | "%02x -%02x - %02x (0x%08x) (%p)\n", |
79aceca5 FB |
3106 | ctx.opcode & handler->inval, opc1(ctx.opcode), |
3107 | opc2(ctx.opcode), opc3(ctx.opcode), | |
9a64fbe4 | 3108 | ctx.opcode, ctx.nip - 1); |
79aceca5 | 3109 | } |
9a64fbe4 FB |
3110 | } else { |
3111 | if (handler->handler == &gen_invalid) { | |
3112 | printf("invalid/unsupported opcode: " | |
3113 | "%02x -%02x - %02x (%08x) %p\n", | |
3114 | opc1(ctx.opcode), opc2(ctx.opcode), | |
3115 | opc3(ctx.opcode), ctx.opcode, ctx.nip - 1); | |
3116 | } else { | |
3117 | printf("invalid bits: %08x for opcode: " | |
3118 | "%02x -%02x - %02x (0x%08x) (%p)\n", | |
3119 | ctx.opcode & handler->inval, opc1(ctx.opcode), | |
3120 | opc2(ctx.opcode), opc3(ctx.opcode), | |
3121 | ctx.opcode, ctx.nip - 1); | |
3122 | } | |
79aceca5 | 3123 | } |
9a64fbe4 | 3124 | (*gen_invalid)(&ctx); |
79aceca5 | 3125 | } else { |
9a64fbe4 | 3126 | (*(handler->handler))(&ctx); |
79aceca5 | 3127 | } |
9a64fbe4 FB |
3128 | /* Check trace mode exceptions */ |
3129 | if ((msr_be && ctx.exception == EXCP_BRANCH) || | |
3130 | /* Check in single step trace mode | |
3131 | * we need to stop except if: | |
3132 | * - rfi, trap or syscall | |
3133 | * - first instruction of an exception handler | |
3134 | */ | |
3135 | (msr_se && ((uint32_t)ctx.nip < 0x100 || | |
3136 | (uint32_t)ctx.nip > 0xF00 || | |
3137 | ((uint32_t)ctx.nip & 0xFC) != 0x04) && | |
3138 | ctx.exception != EXCP_SYSCALL && ctx.exception != EXCP_RFI && | |
3139 | ctx.exception != EXCP_TRAP)) { | |
3140 | #if !defined(CONFIG_USER_ONLY) | |
3141 | gen_op_queue_exception(EXCP_TRACE); | |
79aceca5 | 3142 | #endif |
9a64fbe4 FB |
3143 | if (ctx.exception == EXCP_NONE) { |
3144 | ctx.exception = EXCP_TRACE; | |
79aceca5 | 3145 | } |
9a64fbe4 FB |
3146 | } |
3147 | /* if too long translation, stop generation too */ | |
3148 | if (gen_opc_ptr >= gen_opc_end || | |
3149 | ((uint32_t)ctx.nip - pc_start) >= (TARGET_PAGE_SIZE - 32)) { | |
3150 | if (ctx.exception == EXCP_NONE) { | |
79aceca5 | 3151 | gen_op_b((uint32_t)ctx.nip); |
9a64fbe4 | 3152 | ctx.exception = EXCP_BRANCH; |
79aceca5 | 3153 | } |
79aceca5 | 3154 | } |
9a64fbe4 FB |
3155 | } |
3156 | /* In case of branch, this has already been done *BEFORE* the branch */ | |
3157 | if (ctx.exception != EXCP_BRANCH && ctx.exception != EXCP_RFI) { | |
3158 | gen_op_update_tb(ctx.tb_offset); | |
3159 | gen_op_update_decr(ctx.decr_offset); | |
3160 | gen_op_process_exceptions((uint32_t)ctx.nip); | |
3161 | } | |
3162 | #if 1 | |
79aceca5 FB |
3163 | /* TO BE FIXED: T0 hasn't got a proper value, which makes tb_add_jump |
3164 | * do bad business and then qemu crashes ! | |
3165 | */ | |
3166 | gen_op_set_T0(0); | |
9a64fbe4 | 3167 | #endif |
79aceca5 FB |
3168 | /* Generate the return instruction */ |
3169 | gen_op_exit_tb(); | |
3170 | *gen_opc_ptr = INDEX_op_end; | |
9a64fbe4 FB |
3171 | if (search_pc) { |
3172 | j = gen_opc_ptr - gen_opc_buf; | |
3173 | lj++; | |
3174 | while (lj <= j) | |
3175 | gen_opc_instr_start[lj++] = 0; | |
79aceca5 | 3176 | tb->size = 0; |
985a19d6 | 3177 | #if 0 |
9a64fbe4 FB |
3178 | if (loglevel > 0) { |
3179 | page_dump(logfile); | |
3180 | } | |
985a19d6 | 3181 | #endif |
9a64fbe4 FB |
3182 | } else { |
3183 | tb->size = (uint32_t)ctx.nip - pc_start; | |
3184 | } | |
79aceca5 FB |
3185 | #ifdef DEBUG_DISAS |
3186 | if (loglevel > 0) { | |
9a64fbe4 FB |
3187 | fprintf(logfile, "---------------- excp: %04x\n", ctx.exception); |
3188 | cpu_ppc_dump_state(env, logfile, 0); | |
79aceca5 FB |
3189 | fprintf(logfile, "IN: %s\n", lookup_symbol((void *)pc_start)); |
3190 | disas(logfile, (void *)pc_start, (uint32_t)ctx.nip - pc_start, 0, 0); | |
3191 | fprintf(logfile, "\n"); | |
3192 | ||
3193 | fprintf(logfile, "OP:\n"); | |
3194 | dump_ops(gen_opc_buf, gen_opparam_buf); | |
3195 | fprintf(logfile, "\n"); | |
3196 | } | |
3197 | #endif | |
3198 | ||
3199 | return 0; | |
3200 | } | |
3201 | ||
9a64fbe4 | 3202 | int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
79aceca5 FB |
3203 | { |
3204 | return gen_intermediate_code_internal(env, tb, 0); | |
3205 | } | |
3206 | ||
9a64fbe4 | 3207 | int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
79aceca5 FB |
3208 | { |
3209 | return gen_intermediate_code_internal(env, tb, 1); | |
3210 | } |