2 * MIPS32 emulation for qemu: main translation routines.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
33 //#define MIPS_DEBUG_DISAS
34 //#define MIPS_DEBUG_SIGN_EXTENSIONS
35 //#define MIPS_SINGLE_STEP
37 #ifdef USE_DIRECT_JUMP
40 #define TBPARAM(x) (long)(x)
44 #define DEF(s, n, copy_size) INDEX_op_ ## s,
50 static uint16_t *gen_opc_ptr;
51 static uint32_t *gen_opparam_ptr;
55 /* MIPS major opcodes */
56 #define MASK_OP_MAJOR(op) (op & (0x3F << 26))
59 /* indirect opcode tables */
60 OPC_SPECIAL = (0x00 << 26),
61 OPC_REGIMM = (0x01 << 26),
62 OPC_CP0 = (0x10 << 26),
63 OPC_CP1 = (0x11 << 26),
64 OPC_CP2 = (0x12 << 26),
65 OPC_CP3 = (0x13 << 26),
66 OPC_SPECIAL2 = (0x1C << 26),
67 OPC_SPECIAL3 = (0x1F << 26),
68 /* arithmetic with immediate */
69 OPC_ADDI = (0x08 << 26),
70 OPC_ADDIU = (0x09 << 26),
71 OPC_SLTI = (0x0A << 26),
72 OPC_SLTIU = (0x0B << 26),
73 OPC_ANDI = (0x0C << 26),
74 OPC_ORI = (0x0D << 26),
75 OPC_XORI = (0x0E << 26),
76 OPC_LUI = (0x0F << 26),
77 OPC_DADDI = (0x18 << 26),
78 OPC_DADDIU = (0x19 << 26),
79 /* Jump and branches */
81 OPC_JAL = (0x03 << 26),
82 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
83 OPC_BEQL = (0x14 << 26),
84 OPC_BNE = (0x05 << 26),
85 OPC_BNEL = (0x15 << 26),
86 OPC_BLEZ = (0x06 << 26),
87 OPC_BLEZL = (0x16 << 26),
88 OPC_BGTZ = (0x07 << 26),
89 OPC_BGTZL = (0x17 << 26),
90 OPC_JALX = (0x1D << 26), /* MIPS 16 only */
92 OPC_LDL = (0x1A << 26),
93 OPC_LDR = (0x1B << 26),
94 OPC_LB = (0x20 << 26),
95 OPC_LH = (0x21 << 26),
96 OPC_LWL = (0x22 << 26),
97 OPC_LW = (0x23 << 26),
98 OPC_LBU = (0x24 << 26),
99 OPC_LHU = (0x25 << 26),
100 OPC_LWR = (0x26 << 26),
101 OPC_LWU = (0x27 << 26),
102 OPC_SB = (0x28 << 26),
103 OPC_SH = (0x29 << 26),
104 OPC_SWL = (0x2A << 26),
105 OPC_SW = (0x2B << 26),
106 OPC_SDL = (0x2C << 26),
107 OPC_SDR = (0x2D << 26),
108 OPC_SWR = (0x2E << 26),
109 OPC_LL = (0x30 << 26),
110 OPC_LLD = (0x34 << 26),
111 OPC_LD = (0x37 << 26),
112 OPC_SC = (0x38 << 26),
113 OPC_SCD = (0x3C << 26),
114 OPC_SD = (0x3F << 26),
115 /* Floating point load/store */
116 OPC_LWC1 = (0x31 << 26),
117 OPC_LWC2 = (0x32 << 26),
118 OPC_LDC1 = (0x35 << 26),
119 OPC_LDC2 = (0x36 << 26),
120 OPC_SWC1 = (0x39 << 26),
121 OPC_SWC2 = (0x3A << 26),
122 OPC_SDC1 = (0x3D << 26),
123 OPC_SDC2 = (0x3E << 26),
124 /* MDMX ASE specific */
125 OPC_MDMX = (0x1E << 26),
126 /* Cache and prefetch */
127 OPC_CACHE = (0x2F << 26),
128 OPC_PREF = (0x33 << 26),
129 /* Reserved major opcode */
130 OPC_MAJOR3B_RESERVED = (0x3B << 26),
133 /* MIPS special opcodes */
134 #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
138 OPC_SLL = 0x00 | OPC_SPECIAL,
139 /* NOP is SLL r0, r0, 0 */
140 /* SSNOP is SLL r0, r0, 1 */
141 /* EHB is SLL r0, r0, 3 */
142 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
143 OPC_SRA = 0x03 | OPC_SPECIAL,
144 OPC_SLLV = 0x04 | OPC_SPECIAL,
145 OPC_SRLV = 0x06 | OPC_SPECIAL,
146 OPC_SRAV = 0x07 | OPC_SPECIAL,
147 OPC_DSLLV = 0x14 | OPC_SPECIAL,
148 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
149 OPC_DSRAV = 0x17 | OPC_SPECIAL,
150 OPC_DSLL = 0x38 | OPC_SPECIAL,
151 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
152 OPC_DSRA = 0x3B | OPC_SPECIAL,
153 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
154 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
155 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
156 /* Multiplication / division */
157 OPC_MULT = 0x18 | OPC_SPECIAL,
158 OPC_MULTU = 0x19 | OPC_SPECIAL,
159 OPC_DIV = 0x1A | OPC_SPECIAL,
160 OPC_DIVU = 0x1B | OPC_SPECIAL,
161 OPC_DMULT = 0x1C | OPC_SPECIAL,
162 OPC_DMULTU = 0x1D | OPC_SPECIAL,
163 OPC_DDIV = 0x1E | OPC_SPECIAL,
164 OPC_DDIVU = 0x1F | OPC_SPECIAL,
165 /* 2 registers arithmetic / logic */
166 OPC_ADD = 0x20 | OPC_SPECIAL,
167 OPC_ADDU = 0x21 | OPC_SPECIAL,
168 OPC_SUB = 0x22 | OPC_SPECIAL,
169 OPC_SUBU = 0x23 | OPC_SPECIAL,
170 OPC_AND = 0x24 | OPC_SPECIAL,
171 OPC_OR = 0x25 | OPC_SPECIAL,
172 OPC_XOR = 0x26 | OPC_SPECIAL,
173 OPC_NOR = 0x27 | OPC_SPECIAL,
174 OPC_SLT = 0x2A | OPC_SPECIAL,
175 OPC_SLTU = 0x2B | OPC_SPECIAL,
176 OPC_DADD = 0x2C | OPC_SPECIAL,
177 OPC_DADDU = 0x2D | OPC_SPECIAL,
178 OPC_DSUB = 0x2E | OPC_SPECIAL,
179 OPC_DSUBU = 0x2F | OPC_SPECIAL,
181 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
182 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
184 OPC_TGE = 0x30 | OPC_SPECIAL,
185 OPC_TGEU = 0x31 | OPC_SPECIAL,
186 OPC_TLT = 0x32 | OPC_SPECIAL,
187 OPC_TLTU = 0x33 | OPC_SPECIAL,
188 OPC_TEQ = 0x34 | OPC_SPECIAL,
189 OPC_TNE = 0x36 | OPC_SPECIAL,
190 /* HI / LO registers load & stores */
191 OPC_MFHI = 0x10 | OPC_SPECIAL,
192 OPC_MTHI = 0x11 | OPC_SPECIAL,
193 OPC_MFLO = 0x12 | OPC_SPECIAL,
194 OPC_MTLO = 0x13 | OPC_SPECIAL,
195 /* Conditional moves */
196 OPC_MOVZ = 0x0A | OPC_SPECIAL,
197 OPC_MOVN = 0x0B | OPC_SPECIAL,
199 OPC_MOVCI = 0x01 | OPC_SPECIAL,
202 OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */
203 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
204 OPC_BREAK = 0x0D | OPC_SPECIAL,
205 OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */
206 OPC_SYNC = 0x0F | OPC_SPECIAL,
208 OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
209 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
210 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
211 OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
212 OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
213 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
214 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
217 /* REGIMM (rt field) opcodes */
218 #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
221 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
222 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
223 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
224 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
225 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
226 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
227 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
228 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
229 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
230 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
231 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
232 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
233 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
234 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
235 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
238 /* Special2 opcodes */
239 #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
242 /* Multiply & xxx operations */
243 OPC_MADD = 0x00 | OPC_SPECIAL2,
244 OPC_MADDU = 0x01 | OPC_SPECIAL2,
245 OPC_MUL = 0x02 | OPC_SPECIAL2,
246 OPC_MSUB = 0x04 | OPC_SPECIAL2,
247 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
249 OPC_CLZ = 0x20 | OPC_SPECIAL2,
250 OPC_CLO = 0x21 | OPC_SPECIAL2,
251 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
252 OPC_DCLO = 0x25 | OPC_SPECIAL2,
254 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
257 /* Special3 opcodes */
258 #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
261 OPC_EXT = 0x00 | OPC_SPECIAL3,
262 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
263 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
264 OPC_DEXT = 0x03 | OPC_SPECIAL3,
265 OPC_INS = 0x04 | OPC_SPECIAL3,
266 OPC_DINSM = 0x05 | OPC_SPECIAL3,
267 OPC_DINSU = 0x06 | OPC_SPECIAL3,
268 OPC_DINS = 0x07 | OPC_SPECIAL3,
269 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
270 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
271 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
275 #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
278 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
279 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
280 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
284 #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
287 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
288 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
291 /* Coprocessor 0 (rs field) */
292 #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
295 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
296 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
297 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
298 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
299 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
300 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
301 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
302 OPC_C0 = (0x10 << 21) | OPC_CP0,
303 OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
304 OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
308 #define MASK_MFMC0(op) MASK_CP0(op) | (op & ((0x0C << 11) | (1 << 5)))
311 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
312 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
315 /* Coprocessor 0 (with rs == C0) */
316 #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
319 OPC_TLBR = 0x01 | OPC_C0,
320 OPC_TLBWI = 0x02 | OPC_C0,
321 OPC_TLBWR = 0x06 | OPC_C0,
322 OPC_TLBP = 0x08 | OPC_C0,
323 OPC_RFE = 0x10 | OPC_C0,
324 OPC_ERET = 0x18 | OPC_C0,
325 OPC_DERET = 0x1F | OPC_C0,
326 OPC_WAIT = 0x20 | OPC_C0,
329 /* Coprocessor 1 (rs field) */
330 #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
333 OPC_MFC1 = (0x00 << 21) | OPC_CP1,
334 OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
335 OPC_CFC1 = (0x02 << 21) | OPC_CP1,
336 OPC_MFHCI = (0x03 << 21) | OPC_CP1,
337 OPC_MTC1 = (0x04 << 21) | OPC_CP1,
338 OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
339 OPC_CTC1 = (0x06 << 21) | OPC_CP1,
340 OPC_MTHCI = (0x07 << 21) | OPC_CP1,
341 OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
342 OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */
343 OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */
344 OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */
345 OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */
346 OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */
347 OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */
351 OPC_BC1F = (0x00 << 16) | OPC_BC1,
352 OPC_BC1T = (0x01 << 16) | OPC_BC1,
353 OPC_BC1FL = (0x02 << 16) | OPC_BC1,
354 OPC_BC1TL = (0x03 << 16) | OPC_BC1,
357 #define MASK_CP1_BCOND(op) MASK_CP1(op) | (op & (0x3 << 16))
358 #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
360 #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
363 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
364 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
365 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
366 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
367 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
368 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
369 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
370 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
371 OPC_BC2 = (0x08 << 21) | OPC_CP2,
374 #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
377 OPC_LWXC1 = 0x00 | OPC_CP3,
378 OPC_LDXC1 = 0x01 | OPC_CP3,
379 OPC_LUXC1 = 0x05 | OPC_CP3,
380 OPC_SWXC1 = 0x08 | OPC_CP3,
381 OPC_SDXC1 = 0x09 | OPC_CP3,
382 OPC_SUXC1 = 0x0D | OPC_CP3,
383 OPC_PREFX = 0x0F | OPC_CP3,
384 OPC_ALNV_PS = 0x1E | OPC_CP3,
385 OPC_MADD_S = 0x20 | OPC_CP3,
386 OPC_MADD_D = 0x21 | OPC_CP3,
387 OPC_MADD_PS = 0x26 | OPC_CP3,
388 OPC_MSUB_S = 0x28 | OPC_CP3,
389 OPC_MSUB_D = 0x29 | OPC_CP3,
390 OPC_MSUB_PS = 0x2E | OPC_CP3,
391 OPC_NMADD_S = 0x30 | OPC_CP3,
392 OPC_NMADD_D = 0x32 | OPC_CP3,
393 OPC_NMADD_PS= 0x36 | OPC_CP3,
394 OPC_NMSUB_S = 0x38 | OPC_CP3,
395 OPC_NMSUB_D = 0x39 | OPC_CP3,
396 OPC_NMSUB_PS= 0x3E | OPC_CP3,
400 const unsigned char *regnames[] =
401 { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
402 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
403 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
404 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
406 /* Warning: no function for r0 register (hard wired to zero) */
407 #define GEN32(func, NAME) \
408 static GenOpFunc *NAME ## _table [32] = { \
409 NULL, NAME ## 1, NAME ## 2, NAME ## 3, \
410 NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
411 NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
412 NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
413 NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \
414 NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \
415 NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \
416 NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \
418 static inline void func(int n) \
420 NAME ## _table[n](); \
423 /* General purpose registers moves */
424 GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr);
425 GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr);
426 GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr);
428 GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr);
429 GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr);
431 static const char *fregnames[] =
432 { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
433 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
434 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
435 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
437 # define SFGEN32(func, NAME) \
438 static GenOpFunc *NAME ## _table [32] = { \
439 NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \
440 NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
441 NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
442 NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
443 NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \
444 NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \
445 NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \
446 NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \
448 static inline void func(int n) \
450 NAME ## _table[n](); \
453 # define DFGEN32(func, NAME) \
454 static GenOpFunc *NAME ## _table [32] = { \
455 NAME ## 0, 0, NAME ## 2, 0, \
456 NAME ## 4, 0, NAME ## 6, 0, \
457 NAME ## 8, 0, NAME ## 10, 0, \
458 NAME ## 12, 0, NAME ## 14, 0, \
459 NAME ## 16, 0, NAME ## 18, 0, \
460 NAME ## 20, 0, NAME ## 22, 0, \
461 NAME ## 24, 0, NAME ## 26, 0, \
462 NAME ## 28, 0, NAME ## 30, 0, \
464 static inline void func(int n) \
466 NAME ## _table[n](); \
469 SFGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr);
470 SFGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr);
472 SFGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr);
473 SFGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr);
475 SFGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr);
476 SFGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr);
478 DFGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr);
479 DFGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr);
481 DFGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr);
482 DFGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr);
484 DFGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr);
485 DFGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr);
487 #define FOP_CONDS(fmt) \
488 static GenOpFunc * cond_ ## fmt ## _table[16] = { \
489 gen_op_cmp_ ## fmt ## _f, \
490 gen_op_cmp_ ## fmt ## _un, \
491 gen_op_cmp_ ## fmt ## _eq, \
492 gen_op_cmp_ ## fmt ## _ueq, \
493 gen_op_cmp_ ## fmt ## _olt, \
494 gen_op_cmp_ ## fmt ## _ult, \
495 gen_op_cmp_ ## fmt ## _ole, \
496 gen_op_cmp_ ## fmt ## _ule, \
497 gen_op_cmp_ ## fmt ## _sf, \
498 gen_op_cmp_ ## fmt ## _ngle, \
499 gen_op_cmp_ ## fmt ## _seq, \
500 gen_op_cmp_ ## fmt ## _ngl, \
501 gen_op_cmp_ ## fmt ## _lt, \
502 gen_op_cmp_ ## fmt ## _nge, \
503 gen_op_cmp_ ## fmt ## _le, \
504 gen_op_cmp_ ## fmt ## _ngt, \
506 static inline void gen_cmp_ ## fmt(int n) \
508 cond_ ## fmt ## _table[n](); \
514 typedef struct DisasContext {
515 struct TranslationBlock *tb;
516 target_ulong pc, saved_pc;
518 /* Routine used to access memory */
520 uint32_t hflags, saved_hflags;
523 target_ulong btarget;
527 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
528 * exception condition
530 BS_STOP = 1, /* We want to stop translation for any reason */
531 BS_BRANCH = 2, /* We reached a branch condition */
532 BS_EXCP = 3, /* We reached an exception condition */
535 #if defined MIPS_DEBUG_DISAS
536 #define MIPS_DEBUG(fmt, args...) \
538 if (loglevel & CPU_LOG_TB_IN_ASM) { \
539 fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \
540 ctx->pc, ctx->opcode , ##args); \
544 #define MIPS_DEBUG(fmt, args...) do { } while(0)
547 #define MIPS_INVAL(op) \
549 MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
550 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
553 #define GEN_LOAD_REG_TN(Tn, Rn) \
556 glue(gen_op_reset_, Tn)(); \
558 glue(gen_op_load_gpr_, Tn)(Rn); \
562 #define GEN_LOAD_IMM_TN(Tn, Imm) \
565 glue(gen_op_reset_, Tn)(); \
567 glue(gen_op_set_, Tn)(Imm); \
571 #define GEN_STORE_TN_REG(Rn, Tn) \
574 glue(glue(gen_op_store_, Tn),_gpr)(Rn); \
578 #define GEN_LOAD_FREG_FTN(FTn, Fn) \
580 glue(gen_op_load_fpr_, FTn)(Fn); \
583 #define GEN_STORE_FTN_FREG(Fn, FTn) \
585 glue(gen_op_store_fpr_, FTn)(Fn); \
588 static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
590 #if defined MIPS_DEBUG_DISAS
591 if (loglevel & CPU_LOG_TB_IN_ASM) {
592 fprintf(logfile, "hflags %08x saved %08x\n",
593 ctx->hflags, ctx->saved_hflags);
596 if (do_save_pc && ctx->pc != ctx->saved_pc) {
597 gen_op_save_pc(ctx->pc);
598 ctx->saved_pc = ctx->pc;
600 if (ctx->hflags != ctx->saved_hflags) {
601 gen_op_save_state(ctx->hflags);
602 ctx->saved_hflags = ctx->hflags;
603 if (ctx->hflags & MIPS_HFLAG_BR) {
604 gen_op_save_breg_target();
605 } else if (ctx->hflags & MIPS_HFLAG_B) {
606 gen_op_save_btarget(ctx->btarget);
607 } else if (ctx->hflags & MIPS_HFLAG_BMASK) {
609 gen_op_save_btarget(ctx->btarget);
614 static inline void generate_exception_err (DisasContext *ctx, int excp, int err)
616 #if defined MIPS_DEBUG_DISAS
617 if (loglevel & CPU_LOG_TB_IN_ASM)
618 fprintf(logfile, "%s: raise exception %d\n", __func__, excp);
620 save_cpu_state(ctx, 1);
622 gen_op_raise_exception(excp);
624 gen_op_raise_exception_err(excp, err);
625 ctx->bstate = BS_EXCP;
628 static inline void generate_exception (DisasContext *ctx, int excp)
630 generate_exception_err (ctx, excp, 0);
633 #if defined(CONFIG_USER_ONLY)
634 #define op_ldst(name) gen_op_##name##_raw()
635 #define OP_LD_TABLE(width)
636 #define OP_ST_TABLE(width)
638 #define op_ldst(name) (*gen_op_##name[ctx->mem_idx])()
639 #define OP_LD_TABLE(width) \
640 static GenOpFunc *gen_op_l##width[] = { \
641 &gen_op_l##width##_user, \
642 &gen_op_l##width##_kernel, \
644 #define OP_ST_TABLE(width) \
645 static GenOpFunc *gen_op_s##width[] = { \
646 &gen_op_s##width##_user, \
647 &gen_op_s##width##_kernel, \
682 static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
683 int base, int16_t offset)
685 const char *opn = "unk";
688 GEN_LOAD_IMM_TN(T0, offset);
689 } else if (offset == 0) {
690 gen_op_load_gpr_T0(base);
692 gen_op_load_gpr_T0(base);
693 gen_op_set_T1(offset);
696 /* Don't do NOP if destination is zero: we must perform the actual
703 GEN_STORE_TN_REG(rt, T0);
708 GEN_STORE_TN_REG(rt, T0);
712 GEN_LOAD_REG_TN(T1, rt);
717 save_cpu_state(ctx, 1);
718 GEN_LOAD_REG_TN(T1, rt);
724 GEN_STORE_TN_REG(rt, T0);
728 GEN_LOAD_REG_TN(T1, rt);
734 GEN_STORE_TN_REG(rt, T0);
738 GEN_LOAD_REG_TN(T1, rt);
745 GEN_STORE_TN_REG(rt, T0);
750 GEN_STORE_TN_REG(rt, T0);
754 GEN_LOAD_REG_TN(T1, rt);
760 GEN_STORE_TN_REG(rt, T0);
764 GEN_LOAD_REG_TN(T1, rt);
770 GEN_STORE_TN_REG(rt, T0);
775 GEN_STORE_TN_REG(rt, T0);
779 GEN_LOAD_REG_TN(T1, rt);
785 GEN_STORE_TN_REG(rt, T0);
789 GEN_LOAD_REG_TN(T1, rt);
791 GEN_STORE_TN_REG(rt, T0);
795 GEN_LOAD_REG_TN(T1, rt);
800 GEN_LOAD_REG_TN(T1, rt);
802 GEN_STORE_TN_REG(rt, T0);
806 GEN_LOAD_REG_TN(T1, rt);
812 GEN_STORE_TN_REG(rt, T0);
816 save_cpu_state(ctx, 1);
817 GEN_LOAD_REG_TN(T1, rt);
819 GEN_STORE_TN_REG(rt, T0);
823 MIPS_INVAL("load/store");
824 generate_exception(ctx, EXCP_RI);
827 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
831 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
832 int base, int16_t offset)
834 const char *opn = "unk";
837 GEN_LOAD_IMM_TN(T0, offset);
838 } else if (offset == 0) {
839 gen_op_load_gpr_T0(base);
841 gen_op_load_gpr_T0(base);
842 gen_op_set_T1(offset);
845 /* Don't do NOP if destination is zero: we must perform the actual
851 GEN_STORE_FTN_FREG(ft, WT0);
855 GEN_LOAD_FREG_FTN(WT0, ft);
861 GEN_STORE_FTN_FREG(ft, DT0);
865 GEN_LOAD_FREG_FTN(DT0, ft);
870 MIPS_INVAL("float load/store");
871 generate_exception(ctx, EXCP_RI);
874 MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
877 /* Arithmetic with immediate operand */
878 static void gen_arith_imm (DisasContext *ctx, uint32_t opc, int rt,
882 const char *opn = "unk";
884 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
885 /* if no destination, treat it as a NOP
886 * For addi, we must generate the overflow exception when needed.
891 uimm = (uint16_t)imm;
901 uimm = (int32_t)imm; /* Sign extend to 32 bits */
906 GEN_LOAD_REG_TN(T0, rs);
907 GEN_LOAD_IMM_TN(T1, uimm);
911 GEN_LOAD_IMM_TN(T0, uimm);
925 GEN_LOAD_REG_TN(T0, rs);
926 GEN_LOAD_IMM_TN(T1, uimm);
931 save_cpu_state(ctx, 1);
941 save_cpu_state(ctx, 1);
982 switch ((ctx->opcode >> 21) & 0x1f) {
992 MIPS_INVAL("invalid srl flag");
993 generate_exception(ctx, EXCP_RI);
1007 switch ((ctx->opcode >> 21) & 0x1f) {
1017 MIPS_INVAL("invalid dsrl flag");
1018 generate_exception(ctx, EXCP_RI);
1031 switch ((ctx->opcode >> 21) & 0x1f) {
1041 MIPS_INVAL("invalid dsrl32 flag");
1042 generate_exception(ctx, EXCP_RI);
1048 MIPS_INVAL("imm arith");
1049 generate_exception(ctx, EXCP_RI);
1052 GEN_STORE_TN_REG(rt, T0);
1053 MIPS_DEBUG("%s %s, %s, %x", opn, regnames[rt], regnames[rs], uimm);
1057 static void gen_arith (DisasContext *ctx, uint32_t opc,
1058 int rd, int rs, int rt)
1060 const char *opn = "unk";
1062 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
1063 && opc != OPC_DADD && opc != OPC_DSUB) {
1064 /* if no destination, treat it as a NOP
1065 * For add & sub, we must generate the overflow exception when needed.
1070 GEN_LOAD_REG_TN(T0, rs);
1071 GEN_LOAD_REG_TN(T1, rt);
1074 save_cpu_state(ctx, 1);
1083 save_cpu_state(ctx, 1);
1091 #ifdef TARGET_MIPS64
1093 save_cpu_state(ctx, 1);
1102 save_cpu_state(ctx, 1);
1156 switch ((ctx->opcode >> 6) & 0x1f) {
1166 MIPS_INVAL("invalid srlv flag");
1167 generate_exception(ctx, EXCP_RI);
1171 #ifdef TARGET_MIPS64
1181 switch ((ctx->opcode >> 6) & 0x1f) {
1191 MIPS_INVAL("invalid dsrlv flag");
1192 generate_exception(ctx, EXCP_RI);
1198 MIPS_INVAL("arith");
1199 generate_exception(ctx, EXCP_RI);
1202 GEN_STORE_TN_REG(rd, T0);
1204 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1207 /* Arithmetic on HI/LO registers */
1208 static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
1210 const char *opn = "unk";
1212 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
1213 /* Treat as a NOP */
1220 GEN_STORE_TN_REG(reg, T0);
1225 GEN_STORE_TN_REG(reg, T0);
1229 GEN_LOAD_REG_TN(T0, reg);
1234 GEN_LOAD_REG_TN(T0, reg);
1240 generate_exception(ctx, EXCP_RI);
1243 MIPS_DEBUG("%s %s", opn, regnames[reg]);
1246 static void gen_muldiv (DisasContext *ctx, uint32_t opc,
1249 const char *opn = "unk";
1251 GEN_LOAD_REG_TN(T0, rs);
1252 GEN_LOAD_REG_TN(T1, rt);
1270 #ifdef TARGET_MIPS64
1305 MIPS_INVAL("mul/div");
1306 generate_exception(ctx, EXCP_RI);
1309 MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
1312 static void gen_cl (DisasContext *ctx, uint32_t opc,
1315 const char *opn = "unk";
1317 /* Treat as a NOP */
1321 GEN_LOAD_REG_TN(T0, rs);
1331 #ifdef TARGET_MIPS64
1343 generate_exception(ctx, EXCP_RI);
1346 gen_op_store_T0_gpr(rd);
1347 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
1351 static void gen_trap (DisasContext *ctx, uint32_t opc,
1352 int rs, int rt, int16_t imm)
1357 /* Load needed operands */
1365 /* Compare two registers */
1367 GEN_LOAD_REG_TN(T0, rs);
1368 GEN_LOAD_REG_TN(T1, rt);
1378 /* Compare register to immediate */
1379 if (rs != 0 || imm != 0) {
1380 GEN_LOAD_REG_TN(T0, rs);
1381 GEN_LOAD_IMM_TN(T1, (int32_t)imm);
1388 case OPC_TEQ: /* rs == rs */
1389 case OPC_TEQI: /* r0 == 0 */
1390 case OPC_TGE: /* rs >= rs */
1391 case OPC_TGEI: /* r0 >= 0 */
1392 case OPC_TGEU: /* rs >= rs unsigned */
1393 case OPC_TGEIU: /* r0 >= 0 unsigned */
1397 case OPC_TLT: /* rs < rs */
1398 case OPC_TLTI: /* r0 < 0 */
1399 case OPC_TLTU: /* rs < rs unsigned */
1400 case OPC_TLTIU: /* r0 < 0 unsigned */
1401 case OPC_TNE: /* rs != rs */
1402 case OPC_TNEI: /* r0 != 0 */
1403 /* Never trap: treat as NOP */
1407 generate_exception(ctx, EXCP_RI);
1438 generate_exception(ctx, EXCP_RI);
1442 save_cpu_state(ctx, 1);
1444 ctx->bstate = BS_STOP;
1447 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
1449 TranslationBlock *tb;
1451 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
1453 gen_op_goto_tb0(TBPARAM(tb));
1455 gen_op_goto_tb1(TBPARAM(tb));
1456 gen_op_save_pc(dest);
1457 gen_op_set_T0((long)tb + n);
1460 gen_op_save_pc(dest);
1466 /* Branches (before delay slot) */
1467 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
1468 int rs, int rt, int32_t offset)
1470 target_ulong btarget = -1;
1474 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1475 if (loglevel & CPU_LOG_TB_IN_ASM) {
1477 "undefined branch in delay slot at PC " TARGET_FMT_lx "\n",
1480 MIPS_INVAL("branch/jump in bdelay slot");
1481 generate_exception(ctx, EXCP_RI);
1485 /* Load needed operands */
1491 /* Compare two registers */
1493 GEN_LOAD_REG_TN(T0, rs);
1494 GEN_LOAD_REG_TN(T1, rt);
1497 btarget = ctx->pc + 4 + offset;
1511 /* Compare to zero */
1513 gen_op_load_gpr_T0(rs);
1516 btarget = ctx->pc + 4 + offset;
1520 /* Jump to immediate */
1521 btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | offset;
1525 /* Jump to register */
1526 if (offset != 0 && offset != 16) {
1527 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
1528 others are reserved. */
1529 generate_exception(ctx, EXCP_RI);
1532 GEN_LOAD_REG_TN(T2, rs);
1535 MIPS_INVAL("branch/jump");
1536 generate_exception(ctx, EXCP_RI);
1540 /* No condition to be computed */
1542 case OPC_BEQ: /* rx == rx */
1543 case OPC_BEQL: /* rx == rx likely */
1544 case OPC_BGEZ: /* 0 >= 0 */
1545 case OPC_BGEZL: /* 0 >= 0 likely */
1546 case OPC_BLEZ: /* 0 <= 0 */
1547 case OPC_BLEZL: /* 0 <= 0 likely */
1549 ctx->hflags |= MIPS_HFLAG_B;
1550 MIPS_DEBUG("balways");
1552 case OPC_BGEZAL: /* 0 >= 0 */
1553 case OPC_BGEZALL: /* 0 >= 0 likely */
1554 /* Always take and link */
1556 ctx->hflags |= MIPS_HFLAG_B;
1557 MIPS_DEBUG("balways and link");
1559 case OPC_BNE: /* rx != rx */
1560 case OPC_BGTZ: /* 0 > 0 */
1561 case OPC_BLTZ: /* 0 < 0 */
1562 /* Treated as NOP */
1563 MIPS_DEBUG("bnever (NOP)");
1565 case OPC_BLTZAL: /* 0 < 0 */
1566 gen_op_set_T0(ctx->pc + 8);
1567 gen_op_store_T0_gpr(31);
1569 case OPC_BLTZALL: /* 0 < 0 likely */
1570 gen_op_set_T0(ctx->pc + 8);
1571 gen_op_store_T0_gpr(31);
1572 gen_goto_tb(ctx, 0, ctx->pc + 8);
1574 case OPC_BNEL: /* rx != rx likely */
1575 case OPC_BGTZL: /* 0 > 0 likely */
1576 case OPC_BLTZL: /* 0 < 0 likely */
1577 /* Skip the instruction in the delay slot */
1578 MIPS_DEBUG("bnever and skip");
1579 gen_goto_tb(ctx, 0, ctx->pc + 8);
1582 ctx->hflags |= MIPS_HFLAG_B;
1583 MIPS_DEBUG("j %08x", btarget);
1587 ctx->hflags |= MIPS_HFLAG_B;
1588 MIPS_DEBUG("jal %08x", btarget);
1591 ctx->hflags |= MIPS_HFLAG_BR;
1592 MIPS_DEBUG("jr %s", regnames[rs]);
1596 ctx->hflags |= MIPS_HFLAG_BR;
1597 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
1600 MIPS_INVAL("branch/jump");
1601 generate_exception(ctx, EXCP_RI);
1608 MIPS_DEBUG("beq %s, %s, %08x",
1609 regnames[rs], regnames[rt], btarget);
1613 MIPS_DEBUG("beql %s, %s, %08x",
1614 regnames[rs], regnames[rt], btarget);
1618 MIPS_DEBUG("bne %s, %s, %08x",
1619 regnames[rs], regnames[rt], btarget);
1623 MIPS_DEBUG("bnel %s, %s, %08x",
1624 regnames[rs], regnames[rt], btarget);
1628 MIPS_DEBUG("bgez %s, %08x", regnames[rs], btarget);
1632 MIPS_DEBUG("bgezl %s, %08x", regnames[rs], btarget);
1636 MIPS_DEBUG("bgezal %s, %08x", regnames[rs], btarget);
1642 MIPS_DEBUG("bgezall %s, %08x", regnames[rs], btarget);
1646 MIPS_DEBUG("bgtz %s, %08x", regnames[rs], btarget);
1650 MIPS_DEBUG("bgtzl %s, %08x", regnames[rs], btarget);
1654 MIPS_DEBUG("blez %s, %08x", regnames[rs], btarget);
1658 MIPS_DEBUG("blezl %s, %08x", regnames[rs], btarget);
1662 MIPS_DEBUG("bltz %s, %08x", regnames[rs], btarget);
1666 MIPS_DEBUG("bltzl %s, %08x", regnames[rs], btarget);
1671 MIPS_DEBUG("bltzal %s, %08x", regnames[rs], btarget);
1673 ctx->hflags |= MIPS_HFLAG_BC;
1678 MIPS_DEBUG("bltzall %s, %08x", regnames[rs], btarget);
1680 ctx->hflags |= MIPS_HFLAG_BL;
1683 MIPS_INVAL("conditional branch/jump");
1684 generate_exception(ctx, EXCP_RI);
1689 MIPS_DEBUG("enter ds: link %d cond %02x target %08x",
1690 blink, ctx->hflags, btarget);
1691 ctx->btarget = btarget;
1693 gen_op_set_T0(ctx->pc + 8);
1694 gen_op_store_T0_gpr(blink);
1698 /* special3 bitfield operations */
1699 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
1700 int rs, int lsb, int msb)
1702 GEN_LOAD_REG_TN(T1, rs);
1707 gen_op_ext(lsb, msb + 1);
1712 gen_op_ext(lsb, msb + 1 + 32);
1717 gen_op_ext(lsb + 32, msb + 1);
1720 gen_op_ext(lsb, msb + 1);
1725 GEN_LOAD_REG_TN(T2, rt);
1726 gen_op_ins(lsb, msb - lsb + 1);
1731 GEN_LOAD_REG_TN(T2, rt);
1732 gen_op_ins(lsb, msb - lsb + 1 + 32);
1737 GEN_LOAD_REG_TN(T2, rt);
1738 gen_op_ins(lsb + 32, msb - lsb + 1);
1743 GEN_LOAD_REG_TN(T2, rt);
1744 gen_op_ins(lsb, msb - lsb + 1);
1748 MIPS_INVAL("bitops");
1749 generate_exception(ctx, EXCP_RI);
1752 GEN_STORE_TN_REG(rt, T0);
1755 /* CP0 (MMU and control) */
1756 static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
1758 const char *rn = "invalid";
1764 gen_op_mfc0_index();
1768 // gen_op_mfc0_mvpcontrol(); /* MT ASE */
1772 // gen_op_mfc0_mvpconf0(); /* MT ASE */
1776 // gen_op_mfc0_mvpconf1(); /* MT ASE */
1786 gen_op_mfc0_random();
1790 // gen_op_mfc0_vpecontrol(); /* MT ASE */
1794 // gen_op_mfc0_vpeconf0(); /* MT ASE */
1798 // gen_op_mfc0_vpeconf1(); /* MT ASE */
1802 // gen_op_mfc0_YQMask(); /* MT ASE */
1806 // gen_op_mfc0_vpeschedule(); /* MT ASE */
1810 // gen_op_mfc0_vpeschefback(); /* MT ASE */
1811 rn = "VPEScheFBack";
1814 // gen_op_mfc0_vpeopt(); /* MT ASE */
1824 gen_op_mfc0_entrylo0();
1828 // gen_op_mfc0_tcstatus(); /* MT ASE */
1832 // gen_op_mfc0_tcbind(); /* MT ASE */
1836 // gen_op_mfc0_tcrestart(); /* MT ASE */
1840 // gen_op_mfc0_tchalt(); /* MT ASE */
1844 // gen_op_mfc0_tccontext(); /* MT ASE */
1848 // gen_op_mfc0_tcschedule(); /* MT ASE */
1852 // gen_op_mfc0_tcschefback(); /* MT ASE */
1862 gen_op_mfc0_entrylo1();
1872 gen_op_mfc0_context();
1876 // gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
1877 rn = "ContextConfig";
1886 gen_op_mfc0_pagemask();
1890 gen_op_mfc0_pagegrain();
1900 gen_op_mfc0_wired();
1904 // gen_op_mfc0_srsconf0(); /* shadow registers */
1908 // gen_op_mfc0_srsconf1(); /* shadow registers */
1912 // gen_op_mfc0_srsconf2(); /* shadow registers */
1916 // gen_op_mfc0_srsconf3(); /* shadow registers */
1920 // gen_op_mfc0_srsconf4(); /* shadow registers */
1930 gen_op_mfc0_hwrena();
1940 gen_op_mfc0_badvaddr();
1950 gen_op_mfc0_count();
1953 /* 6,7 are implementation dependent */
1961 gen_op_mfc0_entryhi();
1971 gen_op_mfc0_compare();
1974 /* 6,7 are implementation dependent */
1982 gen_op_mfc0_status();
1986 gen_op_mfc0_intctl();
1990 gen_op_mfc0_srsctl();
1994 // gen_op_mfc0_srsmap(); /* shadow registers */
2004 gen_op_mfc0_cause();
2028 gen_op_mfc0_ebase();
2038 gen_op_mfc0_config0();
2042 gen_op_mfc0_config1();
2046 gen_op_mfc0_config2();
2050 gen_op_mfc0_config3();
2053 /* 4,5 are reserved */
2054 /* 6,7 are implementation dependent */
2056 gen_op_mfc0_config6();
2060 gen_op_mfc0_config7();
2070 gen_op_mfc0_lladdr();
2080 gen_op_mfc0_watchlo0();
2084 // gen_op_mfc0_watchlo1();
2088 // gen_op_mfc0_watchlo2();
2092 // gen_op_mfc0_watchlo3();
2096 // gen_op_mfc0_watchlo4();
2100 // gen_op_mfc0_watchlo5();
2104 // gen_op_mfc0_watchlo6();
2108 // gen_op_mfc0_watchlo7();
2118 gen_op_mfc0_watchhi0();
2122 // gen_op_mfc0_watchhi1();
2126 // gen_op_mfc0_watchhi2();
2130 // gen_op_mfc0_watchhi3();
2134 // gen_op_mfc0_watchhi4();
2138 // gen_op_mfc0_watchhi5();
2142 // gen_op_mfc0_watchhi6();
2146 // gen_op_mfc0_watchhi7();
2156 /* 64 bit MMU only */
2157 gen_op_mfc0_xcontext();
2165 /* Officially reserved, but sel 0 is used for R1x000 framemask */
2168 gen_op_mfc0_framemask();
2177 rn = "'Diagnostic"; /* implementation dependent */
2182 gen_op_mfc0_debug(); /* EJTAG support */
2186 // gen_op_mfc0_tracecontrol(); /* PDtrace support */
2187 rn = "TraceControl";
2190 // gen_op_mfc0_tracecontrol2(); /* PDtrace support */
2191 rn = "TraceControl2";
2194 // gen_op_mfc0_usertracedata(); /* PDtrace support */
2195 rn = "UserTraceData";
2198 // gen_op_mfc0_debug(); /* PDtrace support */
2208 gen_op_mfc0_depc(); /* EJTAG support */
2218 gen_op_mfc0_performance0();
2219 rn = "Performance0";
2222 // gen_op_mfc0_performance1();
2223 rn = "Performance1";
2226 // gen_op_mfc0_performance2();
2227 rn = "Performance2";
2230 // gen_op_mfc0_performance3();
2231 rn = "Performance3";
2234 // gen_op_mfc0_performance4();
2235 rn = "Performance4";
2238 // gen_op_mfc0_performance5();
2239 rn = "Performance5";
2242 // gen_op_mfc0_performance6();
2243 rn = "Performance6";
2246 // gen_op_mfc0_performance7();
2247 rn = "Performance7";
2272 gen_op_mfc0_taglo();
2279 gen_op_mfc0_datalo();
2292 gen_op_mfc0_taghi();
2299 gen_op_mfc0_datahi();
2309 gen_op_mfc0_errorepc();
2319 gen_op_mfc0_desave(); /* EJTAG support */
2329 #if defined MIPS_DEBUG_DISAS
2330 if (loglevel & CPU_LOG_TB_IN_ASM) {
2331 fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
2338 #if defined MIPS_DEBUG_DISAS
2339 if (loglevel & CPU_LOG_TB_IN_ASM) {
2340 fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
2344 generate_exception(ctx, EXCP_RI);
2347 static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
2349 const char *rn = "invalid";
2355 gen_op_mtc0_index();
2359 // gen_op_mtc0_mvpcontrol(); /* MT ASE */
2363 // gen_op_mtc0_mvpconf0(); /* MT ASE */
2367 // gen_op_mtc0_mvpconf1(); /* MT ASE */
2381 // gen_op_mtc0_vpecontrol(); /* MT ASE */
2385 // gen_op_mtc0_vpeconf0(); /* MT ASE */
2389 // gen_op_mtc0_vpeconf1(); /* MT ASE */
2393 // gen_op_mtc0_YQMask(); /* MT ASE */
2397 // gen_op_mtc0_vpeschedule(); /* MT ASE */
2401 // gen_op_mtc0_vpeschefback(); /* MT ASE */
2402 rn = "VPEScheFBack";
2405 // gen_op_mtc0_vpeopt(); /* MT ASE */
2415 gen_op_mtc0_entrylo0();
2419 // gen_op_mtc0_tcstatus(); /* MT ASE */
2423 // gen_op_mtc0_tcbind(); /* MT ASE */
2427 // gen_op_mtc0_tcrestart(); /* MT ASE */
2431 // gen_op_mtc0_tchalt(); /* MT ASE */
2435 // gen_op_mtc0_tccontext(); /* MT ASE */
2439 // gen_op_mtc0_tcschedule(); /* MT ASE */
2443 // gen_op_mtc0_tcschefback(); /* MT ASE */
2453 gen_op_mtc0_entrylo1();
2463 gen_op_mtc0_context();
2467 // gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
2468 rn = "ContextConfig";
2477 gen_op_mtc0_pagemask();
2481 gen_op_mtc0_pagegrain();
2491 gen_op_mtc0_wired();
2495 // gen_op_mtc0_srsconf0(); /* shadow registers */
2499 // gen_op_mtc0_srsconf1(); /* shadow registers */
2503 // gen_op_mtc0_srsconf2(); /* shadow registers */
2507 // gen_op_mtc0_srsconf3(); /* shadow registers */
2511 // gen_op_mtc0_srsconf4(); /* shadow registers */
2521 gen_op_mtc0_hwrena();
2535 gen_op_mtc0_count();
2538 /* 6,7 are implementation dependent */
2542 /* Stop translation as we may have switched the execution mode */
2543 ctx->bstate = BS_STOP;
2548 gen_op_mtc0_entryhi();
2558 gen_op_mtc0_compare();
2561 /* 6,7 are implementation dependent */
2565 /* Stop translation as we may have switched the execution mode */
2566 ctx->bstate = BS_STOP;
2571 gen_op_mtc0_status();
2575 gen_op_mtc0_intctl();
2579 gen_op_mtc0_srsctl();
2583 // gen_op_mtc0_srsmap(); /* shadow registers */
2589 /* Stop translation as we may have switched the execution mode */
2590 ctx->bstate = BS_STOP;
2595 gen_op_mtc0_cause();
2601 /* Stop translation as we may have switched the execution mode */
2602 ctx->bstate = BS_STOP;
2621 gen_op_mtc0_ebase();
2631 gen_op_mtc0_config0();
2635 /* ignored, read only */
2639 gen_op_mtc0_config2();
2643 /* ignored, read only */
2646 /* 4,5 are reserved */
2647 /* 6,7 are implementation dependent */
2657 rn = "Invalid config selector";
2660 /* Stop translation as we may have switched the execution mode */
2661 ctx->bstate = BS_STOP;
2676 gen_op_mtc0_watchlo0();
2680 // gen_op_mtc0_watchlo1();
2684 // gen_op_mtc0_watchlo2();
2688 // gen_op_mtc0_watchlo3();
2692 // gen_op_mtc0_watchlo4();
2696 // gen_op_mtc0_watchlo5();
2700 // gen_op_mtc0_watchlo6();
2704 // gen_op_mtc0_watchlo7();
2714 gen_op_mtc0_watchhi0();
2718 // gen_op_mtc0_watchhi1();
2722 // gen_op_mtc0_watchhi2();
2726 // gen_op_mtc0_watchhi3();
2730 // gen_op_mtc0_watchhi4();
2734 // gen_op_mtc0_watchhi5();
2738 // gen_op_mtc0_watchhi6();
2742 // gen_op_mtc0_watchhi7();
2752 /* 64 bit MMU only */
2753 gen_op_mtc0_xcontext();
2761 /* Officially reserved, but sel 0 is used for R1x000 framemask */
2764 gen_op_mtc0_framemask();
2773 rn = "Diagnostic"; /* implementation dependent */
2778 gen_op_mtc0_debug(); /* EJTAG support */
2782 // gen_op_mtc0_tracecontrol(); /* PDtrace support */
2783 rn = "TraceControl";
2786 // gen_op_mtc0_tracecontrol2(); /* PDtrace support */
2787 rn = "TraceControl2";
2790 // gen_op_mtc0_usertracedata(); /* PDtrace support */
2791 rn = "UserTraceData";
2794 // gen_op_mtc0_debug(); /* PDtrace support */
2800 /* Stop translation as we may have switched the execution mode */
2801 ctx->bstate = BS_STOP;
2806 gen_op_mtc0_depc(); /* EJTAG support */
2816 gen_op_mtc0_performance0();
2817 rn = "Performance0";
2820 // gen_op_mtc0_performance1();
2821 rn = "Performance1";
2824 // gen_op_mtc0_performance2();
2825 rn = "Performance2";
2828 // gen_op_mtc0_performance3();
2829 rn = "Performance3";
2832 // gen_op_mtc0_performance4();
2833 rn = "Performance4";
2836 // gen_op_mtc0_performance5();
2837 rn = "Performance5";
2840 // gen_op_mtc0_performance6();
2841 rn = "Performance6";
2844 // gen_op_mtc0_performance7();
2845 rn = "Performance7";
2871 gen_op_mtc0_taglo();
2878 gen_op_mtc0_datalo();
2891 gen_op_mtc0_taghi();
2898 gen_op_mtc0_datahi();
2909 gen_op_mtc0_errorepc();
2919 gen_op_mtc0_desave(); /* EJTAG support */
2925 /* Stop translation as we may have switched the execution mode */
2926 ctx->bstate = BS_STOP;
2931 #if defined MIPS_DEBUG_DISAS
2932 if (loglevel & CPU_LOG_TB_IN_ASM) {
2933 fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
2940 #if defined MIPS_DEBUG_DISAS
2941 if (loglevel & CPU_LOG_TB_IN_ASM) {
2942 fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
2946 generate_exception(ctx, EXCP_RI);
2949 static void gen_dmfc0 (DisasContext *ctx, int reg, int sel)
2951 const char *rn = "invalid";
2957 gen_op_mfc0_index();
2961 // gen_op_dmfc0_mvpcontrol(); /* MT ASE */
2965 // gen_op_dmfc0_mvpconf0(); /* MT ASE */
2969 // gen_op_dmfc0_mvpconf1(); /* MT ASE */
2979 gen_op_mfc0_random();
2983 // gen_op_dmfc0_vpecontrol(); /* MT ASE */
2987 // gen_op_dmfc0_vpeconf0(); /* MT ASE */
2991 // gen_op_dmfc0_vpeconf1(); /* MT ASE */
2995 // gen_op_dmfc0_YQMask(); /* MT ASE */
2999 // gen_op_dmfc0_vpeschedule(); /* MT ASE */
3003 // gen_op_dmfc0_vpeschefback(); /* MT ASE */
3004 rn = "VPEScheFBack";
3007 // gen_op_dmfc0_vpeopt(); /* MT ASE */
3017 gen_op_dmfc0_entrylo0();
3021 // gen_op_dmfc0_tcstatus(); /* MT ASE */
3025 // gen_op_dmfc0_tcbind(); /* MT ASE */
3029 // gen_op_dmfc0_tcrestart(); /* MT ASE */
3033 // gen_op_dmfc0_tchalt(); /* MT ASE */
3037 // gen_op_dmfc0_tccontext(); /* MT ASE */
3041 // gen_op_dmfc0_tcschedule(); /* MT ASE */
3045 // gen_op_dmfc0_tcschefback(); /* MT ASE */
3055 gen_op_dmfc0_entrylo1();
3065 gen_op_dmfc0_context();
3069 // gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
3070 rn = "ContextConfig";
3079 gen_op_mfc0_pagemask();
3083 gen_op_mfc0_pagegrain();
3093 gen_op_mfc0_wired();
3097 // gen_op_dmfc0_srsconf0(); /* shadow registers */
3101 // gen_op_dmfc0_srsconf1(); /* shadow registers */
3105 // gen_op_dmfc0_srsconf2(); /* shadow registers */
3109 // gen_op_dmfc0_srsconf3(); /* shadow registers */
3113 // gen_op_dmfc0_srsconf4(); /* shadow registers */
3123 gen_op_mfc0_hwrena();
3133 gen_op_dmfc0_badvaddr();
3143 gen_op_mfc0_count();
3146 /* 6,7 are implementation dependent */
3154 gen_op_dmfc0_entryhi();
3164 gen_op_mfc0_compare();
3167 /* 6,7 are implementation dependent */
3175 gen_op_mfc0_status();
3179 gen_op_mfc0_intctl();
3183 gen_op_mfc0_srsctl();
3187 gen_op_mfc0_srsmap(); /* shadow registers */
3197 gen_op_mfc0_cause();
3221 gen_op_mfc0_ebase();
3231 gen_op_mfc0_config0();
3235 gen_op_mfc0_config1();
3239 gen_op_mfc0_config2();
3243 gen_op_mfc0_config3();
3246 /* 6,7 are implementation dependent */
3254 gen_op_dmfc0_lladdr();
3264 gen_op_dmfc0_watchlo0();
3268 // gen_op_dmfc0_watchlo1();
3272 // gen_op_dmfc0_watchlo2();
3276 // gen_op_dmfc0_watchlo3();
3280 // gen_op_dmfc0_watchlo4();
3284 // gen_op_dmfc0_watchlo5();
3288 // gen_op_dmfc0_watchlo6();
3292 // gen_op_dmfc0_watchlo7();
3302 gen_op_mfc0_watchhi0();
3306 // gen_op_mfc0_watchhi1();
3310 // gen_op_mfc0_watchhi2();
3314 // gen_op_mfc0_watchhi3();
3318 // gen_op_mfc0_watchhi4();
3322 // gen_op_mfc0_watchhi5();
3326 // gen_op_mfc0_watchhi6();
3330 // gen_op_mfc0_watchhi7();
3340 /* 64 bit MMU only */
3341 gen_op_dmfc0_xcontext();
3349 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3352 gen_op_mfc0_framemask();
3361 rn = "'Diagnostic"; /* implementation dependent */
3366 gen_op_mfc0_debug(); /* EJTAG support */
3370 // gen_op_dmfc0_tracecontrol(); /* PDtrace support */
3371 rn = "TraceControl";
3374 // gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
3375 rn = "TraceControl2";
3378 // gen_op_dmfc0_usertracedata(); /* PDtrace support */
3379 rn = "UserTraceData";
3382 // gen_op_dmfc0_debug(); /* PDtrace support */
3392 gen_op_dmfc0_depc(); /* EJTAG support */
3402 gen_op_mfc0_performance0();
3403 rn = "Performance0";
3406 // gen_op_dmfc0_performance1();
3407 rn = "Performance1";
3410 // gen_op_dmfc0_performance2();
3411 rn = "Performance2";
3414 // gen_op_dmfc0_performance3();
3415 rn = "Performance3";
3418 // gen_op_dmfc0_performance4();
3419 rn = "Performance4";
3422 // gen_op_dmfc0_performance5();
3423 rn = "Performance5";
3426 // gen_op_dmfc0_performance6();
3427 rn = "Performance6";
3430 // gen_op_dmfc0_performance7();
3431 rn = "Performance7";
3456 gen_op_mfc0_taglo();
3463 gen_op_mfc0_datalo();
3476 gen_op_mfc0_taghi();
3483 gen_op_mfc0_datahi();
3493 gen_op_dmfc0_errorepc();
3503 gen_op_mfc0_desave(); /* EJTAG support */
3513 #if defined MIPS_DEBUG_DISAS
3514 if (loglevel & CPU_LOG_TB_IN_ASM) {
3515 fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
3522 #if defined MIPS_DEBUG_DISAS
3523 if (loglevel & CPU_LOG_TB_IN_ASM) {
3524 fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
3528 generate_exception(ctx, EXCP_RI);
3531 static void gen_dmtc0 (DisasContext *ctx, int reg, int sel)
3533 const char *rn = "invalid";
3539 gen_op_mtc0_index();
3543 // gen_op_dmtc0_mvpcontrol(); /* MT ASE */
3547 // gen_op_dmtc0_mvpconf0(); /* MT ASE */
3551 // gen_op_dmtc0_mvpconf1(); /* MT ASE */
3565 // gen_op_dmtc0_vpecontrol(); /* MT ASE */
3569 // gen_op_dmtc0_vpeconf0(); /* MT ASE */
3573 // gen_op_dmtc0_vpeconf1(); /* MT ASE */
3577 // gen_op_dmtc0_YQMask(); /* MT ASE */
3581 // gen_op_dmtc0_vpeschedule(); /* MT ASE */
3585 // gen_op_dmtc0_vpeschefback(); /* MT ASE */
3586 rn = "VPEScheFBack";
3589 // gen_op_dmtc0_vpeopt(); /* MT ASE */
3599 gen_op_dmtc0_entrylo0();
3603 // gen_op_dmtc0_tcstatus(); /* MT ASE */
3607 // gen_op_dmtc0_tcbind(); /* MT ASE */
3611 // gen_op_dmtc0_tcrestart(); /* MT ASE */
3615 // gen_op_dmtc0_tchalt(); /* MT ASE */
3619 // gen_op_dmtc0_tccontext(); /* MT ASE */
3623 // gen_op_dmtc0_tcschedule(); /* MT ASE */
3627 // gen_op_dmtc0_tcschefback(); /* MT ASE */
3637 gen_op_dmtc0_entrylo1();
3647 gen_op_dmtc0_context();
3651 // gen_op_dmtc0_contextconfig(); /* SmartMIPS ASE */
3652 rn = "ContextConfig";
3661 gen_op_mtc0_pagemask();
3665 gen_op_mtc0_pagegrain();
3675 gen_op_mtc0_wired();
3679 // gen_op_dmtc0_srsconf0(); /* shadow registers */
3683 // gen_op_dmtc0_srsconf1(); /* shadow registers */
3687 // gen_op_dmtc0_srsconf2(); /* shadow registers */
3691 // gen_op_dmtc0_srsconf3(); /* shadow registers */
3695 // gen_op_dmtc0_srsconf4(); /* shadow registers */
3705 gen_op_mtc0_hwrena();
3719 gen_op_mtc0_count();
3722 /* 6,7 are implementation dependent */
3726 /* Stop translation as we may have switched the execution mode */
3727 ctx->bstate = BS_STOP;
3732 gen_op_mtc0_entryhi();
3742 gen_op_mtc0_compare();
3745 /* 6,7 are implementation dependent */
3749 /* Stop translation as we may have switched the execution mode */
3750 ctx->bstate = BS_STOP;
3755 gen_op_mtc0_status();
3759 gen_op_mtc0_intctl();
3763 gen_op_mtc0_srsctl();
3767 gen_op_mtc0_srsmap(); /* shadow registers */
3773 /* Stop translation as we may have switched the execution mode */
3774 ctx->bstate = BS_STOP;
3779 gen_op_mtc0_cause();
3785 /* Stop translation as we may have switched the execution mode */
3786 ctx->bstate = BS_STOP;
3805 gen_op_mtc0_ebase();
3815 gen_op_mtc0_config0();
3823 gen_op_mtc0_config2();
3830 /* 6,7 are implementation dependent */
3832 rn = "Invalid config selector";
3835 /* Stop translation as we may have switched the execution mode */
3836 ctx->bstate = BS_STOP;
3851 gen_op_dmtc0_watchlo0();
3855 // gen_op_dmtc0_watchlo1();
3859 // gen_op_dmtc0_watchlo2();
3863 // gen_op_dmtc0_watchlo3();
3867 // gen_op_dmtc0_watchlo4();
3871 // gen_op_dmtc0_watchlo5();
3875 // gen_op_dmtc0_watchlo6();
3879 // gen_op_dmtc0_watchlo7();
3889 gen_op_mtc0_watchhi0();
3893 // gen_op_dmtc0_watchhi1();
3897 // gen_op_dmtc0_watchhi2();
3901 // gen_op_dmtc0_watchhi3();
3905 // gen_op_dmtc0_watchhi4();
3909 // gen_op_dmtc0_watchhi5();
3913 // gen_op_dmtc0_watchhi6();
3917 // gen_op_dmtc0_watchhi7();
3927 /* 64 bit MMU only */
3928 gen_op_dmtc0_xcontext();
3936 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3939 gen_op_mtc0_framemask();
3948 rn = "Diagnostic"; /* implementation dependent */
3953 gen_op_mtc0_debug(); /* EJTAG support */
3957 // gen_op_dmtc0_tracecontrol(); /* PDtrace support */
3958 rn = "TraceControl";
3961 // gen_op_dmtc0_tracecontrol2(); /* PDtrace support */
3962 rn = "TraceControl2";
3965 // gen_op_dmtc0_usertracedata(); /* PDtrace support */
3966 rn = "UserTraceData";
3969 // gen_op_dmtc0_debug(); /* PDtrace support */
3975 /* Stop translation as we may have switched the execution mode */
3976 ctx->bstate = BS_STOP;
3981 gen_op_dmtc0_depc(); /* EJTAG support */
3991 gen_op_mtc0_performance0();
3992 rn = "Performance0";
3995 // gen_op_dmtc0_performance1();
3996 rn = "Performance1";
3999 // gen_op_dmtc0_performance2();
4000 rn = "Performance2";
4003 // gen_op_dmtc0_performance3();
4004 rn = "Performance3";
4007 // gen_op_dmtc0_performance4();
4008 rn = "Performance4";
4011 // gen_op_dmtc0_performance5();
4012 rn = "Performance5";
4015 // gen_op_dmtc0_performance6();
4016 rn = "Performance6";
4019 // gen_op_dmtc0_performance7();
4020 rn = "Performance7";
4046 gen_op_mtc0_taglo();
4053 gen_op_mtc0_datalo();
4066 gen_op_mtc0_taghi();
4073 gen_op_mtc0_datahi();
4084 gen_op_dmtc0_errorepc();
4094 gen_op_mtc0_desave(); /* EJTAG support */
4100 /* Stop translation as we may have switched the execution mode */
4101 ctx->bstate = BS_STOP;
4106 #if defined MIPS_DEBUG_DISAS
4107 if (loglevel & CPU_LOG_TB_IN_ASM) {
4108 fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
4115 #if defined MIPS_DEBUG_DISAS
4116 if (loglevel & CPU_LOG_TB_IN_ASM) {
4117 fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
4121 generate_exception(ctx, EXCP_RI);
4124 static void gen_cp0 (DisasContext *ctx, uint32_t opc, int rt, int rd)
4126 const char *opn = "unk";
4134 gen_mfc0(ctx, rd, ctx->opcode & 0x7);
4135 gen_op_store_T0_gpr(rt);
4139 GEN_LOAD_REG_TN(T0, rt);
4140 gen_mtc0(ctx, rd, ctx->opcode & 0x7);
4148 gen_dmfc0(ctx, rd, ctx->opcode & 0x7);
4149 gen_op_store_T0_gpr(rt);
4153 GEN_LOAD_REG_TN(T0, rt);
4154 gen_dmtc0(ctx, rd, ctx->opcode & 0x7);
4157 #if defined(MIPS_USES_R4K_TLB)
4177 save_cpu_state(ctx, 0);
4179 ctx->bstate = BS_EXCP;
4183 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
4184 generate_exception(ctx, EXCP_RI);
4186 save_cpu_state(ctx, 0);
4188 ctx->bstate = BS_EXCP;
4193 /* If we get an exception, we want to restart at next instruction */
4195 save_cpu_state(ctx, 1);
4198 ctx->bstate = BS_EXCP;
4201 if (loglevel & CPU_LOG_TB_IN_ASM) {
4202 fprintf(logfile, "Invalid CP0 opcode: %08x %03x %03x %03x\n",
4203 ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
4204 ((ctx->opcode >> 16) & 0x1F));
4206 generate_exception(ctx, EXCP_RI);
4209 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
4212 /* CP1 Branches (before delay slot) */
4213 static void gen_compute_branch1 (DisasContext *ctx, uint32_t op,
4216 target_ulong btarget;
4218 btarget = ctx->pc + 4 + offset;
4223 MIPS_DEBUG("bc1f " TARGET_FMT_lx, btarget);
4227 MIPS_DEBUG("bc1fl " TARGET_FMT_lx, btarget);
4231 MIPS_DEBUG("bc1t " TARGET_FMT_lx, btarget);
4233 ctx->hflags |= MIPS_HFLAG_BC;
4237 MIPS_DEBUG("bc1tl " TARGET_FMT_lx, btarget);
4239 ctx->hflags |= MIPS_HFLAG_BL;
4242 MIPS_INVAL("cp1 branch/jump");
4243 generate_exception (ctx, EXCP_RI);
4248 MIPS_DEBUG("enter ds: cond %02x target " TARGET_FMT_lx,
4249 ctx->hflags, btarget);
4250 ctx->btarget = btarget;
4255 /* Coprocessor 1 (FPU) */
4256 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
4258 const char *opn = "unk";
4262 GEN_LOAD_FREG_FTN(WT0, fs);
4264 GEN_STORE_TN_REG(rt, T0);
4268 GEN_LOAD_REG_TN(T0, rt);
4270 GEN_STORE_FTN_FREG(fs, WT0);
4274 if (fs != 0 && fs != 31) {
4275 MIPS_INVAL("cfc1 freg");
4276 generate_exception (ctx, EXCP_RI);
4279 GEN_LOAD_IMM_TN(T1, fs);
4281 GEN_STORE_TN_REG(rt, T0);
4285 if (fs != 0 && fs != 31) {
4286 MIPS_INVAL("ctc1 freg");
4287 generate_exception (ctx, EXCP_RI);
4290 GEN_LOAD_IMM_TN(T1, fs);
4291 GEN_LOAD_REG_TN(T0, rt);
4297 /* Not implemented, fallthrough. */
4299 if (loglevel & CPU_LOG_TB_IN_ASM) {
4300 fprintf(logfile, "Invalid CP1 opcode: %08x %03x %03x %03x\n",
4301 ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
4302 ((ctx->opcode >> 16) & 0x1F));
4304 generate_exception (ctx, EXCP_RI);
4307 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
4310 /* verify if floating point register is valid; an operation is not defined
4311 * if bit 0 of any register specification is set and the FR bit in the
4312 * Status register equals zero, since the register numbers specify an
4313 * even-odd pair of adjacent coprocessor general registers. When the FR bit
4314 * in the Status register equals one, both even and odd register numbers
4315 * are valid. This limitation exists only for 64 bit wide (d,l) registers.
4317 * Multiple 64 bit wide registers can be checked by calling
4318 * CHECK_FR(ctx, freg1 | freg2 | ... | fregN);
4320 #define CHECK_FR(ctx, freg) do { \
4321 if (!((ctx)->CP0_Status & (1<<CP0St_FR)) && ((freg) & 1)) { \
4322 generate_exception (ctx, EXCP_RI); \
4327 #define FOP(func, fmt) (((fmt) << 21) | (func))
4329 static void gen_farith (DisasContext *ctx, uint32_t op1, int ft, int fs, int fd)
4331 const char *opn = "unk";
4332 const char *condnames[] = {
4351 uint32_t func = ctx->opcode & 0x3f;
4353 switch (ctx->opcode & FOP(0x3f, 0x1f)) {
4355 CHECK_FR(ctx, fs | ft | fd);
4356 GEN_LOAD_FREG_FTN(DT0, fs);
4357 GEN_LOAD_FREG_FTN(DT1, ft);
4358 gen_op_float_add_d();
4359 GEN_STORE_FTN_FREG(fd, DT2);
4364 CHECK_FR(ctx, fs | ft | fd);
4365 GEN_LOAD_FREG_FTN(DT0, fs);
4366 GEN_LOAD_FREG_FTN(DT1, ft);
4367 gen_op_float_sub_d();
4368 GEN_STORE_FTN_FREG(fd, DT2);
4373 CHECK_FR(ctx, fs | ft | fd);
4374 GEN_LOAD_FREG_FTN(DT0, fs);
4375 GEN_LOAD_FREG_FTN(DT1, ft);
4376 gen_op_float_mul_d();
4377 GEN_STORE_FTN_FREG(fd, DT2);
4382 CHECK_FR(ctx, fs | ft | fd);
4383 GEN_LOAD_FREG_FTN(DT0, fs);
4384 GEN_LOAD_FREG_FTN(DT1, ft);
4385 gen_op_float_div_d();
4386 GEN_STORE_FTN_FREG(fd, DT2);
4391 CHECK_FR(ctx, fs | fd);
4392 GEN_LOAD_FREG_FTN(DT0, fs);
4393 gen_op_float_sqrt_d();
4394 GEN_STORE_FTN_FREG(fd, DT2);
4398 CHECK_FR(ctx, fs | fd);
4399 GEN_LOAD_FREG_FTN(DT0, fs);
4400 gen_op_float_abs_d();
4401 GEN_STORE_FTN_FREG(fd, DT2);
4405 CHECK_FR(ctx, fs | fd);
4406 GEN_LOAD_FREG_FTN(DT0, fs);
4407 gen_op_float_mov_d();
4408 GEN_STORE_FTN_FREG(fd, DT2);
4412 CHECK_FR(ctx, fs | fd);
4413 GEN_LOAD_FREG_FTN(DT0, fs);
4414 gen_op_float_chs_d();
4415 GEN_STORE_FTN_FREG(fd, DT2);
4424 GEN_LOAD_FREG_FTN(DT0, fs);
4425 gen_op_float_roundw_d();
4426 GEN_STORE_FTN_FREG(fd, WT2);
4431 GEN_LOAD_FREG_FTN(DT0, fs);
4432 gen_op_float_truncw_d();
4433 GEN_STORE_FTN_FREG(fd, WT2);
4438 GEN_LOAD_FREG_FTN(DT0, fs);
4439 gen_op_float_ceilw_d();
4440 GEN_STORE_FTN_FREG(fd, WT2);
4445 GEN_LOAD_FREG_FTN(DT0, fs);
4446 gen_op_float_floorw_d();
4447 GEN_STORE_FTN_FREG(fd, WT2);
4452 GEN_LOAD_FREG_FTN(WT0, fs);
4453 gen_op_float_cvtd_s();
4454 GEN_STORE_FTN_FREG(fd, DT2);
4459 GEN_LOAD_FREG_FTN(WT0, fs);
4460 gen_op_float_cvtd_w();
4461 GEN_STORE_FTN_FREG(fd, DT2);
4480 CHECK_FR(ctx, fs | ft);
4481 GEN_LOAD_FREG_FTN(DT0, fs);
4482 GEN_LOAD_FREG_FTN(DT1, ft);
4484 opn = condnames[func-48];
4487 GEN_LOAD_FREG_FTN(WT0, fs);
4488 GEN_LOAD_FREG_FTN(WT1, ft);
4489 gen_op_float_add_s();
4490 GEN_STORE_FTN_FREG(fd, WT2);
4495 GEN_LOAD_FREG_FTN(WT0, fs);
4496 GEN_LOAD_FREG_FTN(WT1, ft);
4497 gen_op_float_sub_s();
4498 GEN_STORE_FTN_FREG(fd, WT2);
4503 GEN_LOAD_FREG_FTN(WT0, fs);
4504 GEN_LOAD_FREG_FTN(WT1, ft);
4505 gen_op_float_mul_s();
4506 GEN_STORE_FTN_FREG(fd, WT2);
4511 GEN_LOAD_FREG_FTN(WT0, fs);
4512 GEN_LOAD_FREG_FTN(WT1, ft);
4513 gen_op_float_div_s();
4514 GEN_STORE_FTN_FREG(fd, WT2);
4519 GEN_LOAD_FREG_FTN(WT0, fs);
4520 gen_op_float_sqrt_s();
4521 GEN_STORE_FTN_FREG(fd, WT2);
4525 GEN_LOAD_FREG_FTN(WT0, fs);
4526 gen_op_float_abs_s();
4527 GEN_STORE_FTN_FREG(fd, WT2);
4531 GEN_LOAD_FREG_FTN(WT0, fs);
4532 gen_op_float_mov_s();
4533 GEN_STORE_FTN_FREG(fd, WT2);
4537 GEN_LOAD_FREG_FTN(WT0, fs);
4538 gen_op_float_chs_s();
4539 GEN_STORE_FTN_FREG(fd, WT2);
4543 GEN_LOAD_FREG_FTN(WT0, fs);
4544 gen_op_float_roundw_s();
4545 GEN_STORE_FTN_FREG(fd, WT2);
4549 GEN_LOAD_FREG_FTN(WT0, fs);
4550 gen_op_float_truncw_s();
4551 GEN_STORE_FTN_FREG(fd, WT2);
4556 GEN_LOAD_FREG_FTN(DT0, fs);
4557 gen_op_float_cvts_d();
4558 GEN_STORE_FTN_FREG(fd, WT2);
4562 GEN_LOAD_FREG_FTN(WT0, fs);
4563 gen_op_float_cvts_w();
4564 GEN_STORE_FTN_FREG(fd, WT2);
4568 GEN_LOAD_FREG_FTN(WT0, fs);
4569 gen_op_float_cvtw_s();
4570 GEN_STORE_FTN_FREG(fd, WT2);
4575 GEN_LOAD_FREG_FTN(DT0, fs);
4576 gen_op_float_cvtw_d();
4577 GEN_STORE_FTN_FREG(fd, WT2);
4596 GEN_LOAD_FREG_FTN(WT0, fs);
4597 GEN_LOAD_FREG_FTN(WT1, ft);
4599 opn = condnames[func-48];
4602 if (loglevel & CPU_LOG_TB_IN_ASM) {
4603 fprintf(logfile, "Invalid FP arith function: %08x %03x %03x %03x\n",
4604 ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
4605 ((ctx->opcode >> 16) & 0x1F));
4607 generate_exception (ctx, EXCP_RI);
4611 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
4613 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
4616 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
4621 ccbit = 1 << (24 + cc);
4625 gen_op_movf(ccbit, rd, rs);
4627 gen_op_movt(ccbit, rd, rs);
4630 /* ISA extensions (ASEs) */
4631 /* MIPS16 extension to MIPS32 */
4632 /* SmartMIPS extension to MIPS32 */
4634 #ifdef TARGET_MIPS64
4635 /* Coprocessor 3 (FPU) */
4637 /* MDMX extension to MIPS64 */
4638 /* MIPS-3D extension to MIPS64 */
4642 static void gen_blikely(DisasContext *ctx)
4645 l1 = gen_new_label();
4647 gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK);
4648 gen_goto_tb(ctx, 1, ctx->pc + 4);
4652 static void decode_opc (CPUState *env, DisasContext *ctx)
4656 uint32_t op, op1, op2;
4659 /* make sure instructions are on a word boundary */
4660 if (ctx->pc & 0x3) {
4661 env->CP0_BadVAddr = ctx->pc;
4662 generate_exception(ctx, EXCP_AdEL);
4666 if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
4667 /* Handle blikely not taken case */
4668 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
4671 op = MASK_OP_MAJOR(ctx->opcode);
4672 rs = (ctx->opcode >> 21) & 0x1f;
4673 rt = (ctx->opcode >> 16) & 0x1f;
4674 rd = (ctx->opcode >> 11) & 0x1f;
4675 sa = (ctx->opcode >> 6) & 0x1f;
4676 imm = (int16_t)ctx->opcode;
4679 op1 = MASK_SPECIAL(ctx->opcode);
4681 case OPC_SLL: /* Arithmetic with immediate */
4682 case OPC_SRL ... OPC_SRA:
4683 gen_arith_imm(ctx, op1, rd, rt, sa);
4685 case OPC_SLLV: /* Arithmetic */
4686 case OPC_SRLV ... OPC_SRAV:
4687 case OPC_MOVZ ... OPC_MOVN:
4688 case OPC_ADD ... OPC_NOR:
4689 case OPC_SLT ... OPC_SLTU:
4690 gen_arith(ctx, op1, rd, rs, rt);
4692 case OPC_MULT ... OPC_DIVU:
4693 gen_muldiv(ctx, op1, rs, rt);
4695 case OPC_JR ... OPC_JALR:
4696 gen_compute_branch(ctx, op1, rs, rd, sa);
4698 case OPC_TGE ... OPC_TEQ: /* Traps */
4700 gen_trap(ctx, op1, rs, rt, -1);
4702 case OPC_MFHI: /* Move from HI/LO */
4704 gen_HILO(ctx, op1, rd);
4707 case OPC_MTLO: /* Move to HI/LO */
4708 gen_HILO(ctx, op1, rs);
4710 case OPC_PMON: /* Pmon entry point */
4714 generate_exception(ctx, EXCP_SYSCALL);
4715 ctx->bstate = BS_EXCP;
4718 generate_exception(ctx, EXCP_BREAK);
4720 case OPC_SPIM: /* SPIM ? */
4721 /* Implemented as RI exception for now. */
4722 MIPS_INVAL("spim (unofficial)");
4723 generate_exception(ctx, EXCP_RI);
4726 /* Treat as a noop. */
4730 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
4731 save_cpu_state(ctx, 1);
4732 gen_op_cp1_enabled();
4733 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
4734 (ctx->opcode >> 16) & 1);
4736 generate_exception_err(ctx, EXCP_CpU, 1);
4740 #ifdef TARGET_MIPS64
4741 /* MIPS64 specific opcodes */
4743 case OPC_DSRL ... OPC_DSRA:
4745 case OPC_DSRL32 ... OPC_DSRA32:
4746 gen_arith_imm(ctx, op1, rd, rt, sa);
4749 case OPC_DSRLV ... OPC_DSRAV:
4750 case OPC_DADD ... OPC_DSUBU:
4751 gen_arith(ctx, op1, rd, rs, rt);
4753 case OPC_DMULT ... OPC_DDIVU:
4754 gen_muldiv(ctx, op1, rs, rt);
4757 default: /* Invalid */
4758 MIPS_INVAL("special");
4759 generate_exception(ctx, EXCP_RI);
4764 op1 = MASK_SPECIAL2(ctx->opcode);
4766 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
4767 case OPC_MSUB ... OPC_MSUBU:
4768 gen_muldiv(ctx, op1, rs, rt);
4771 gen_arith(ctx, op1, rd, rs, rt);
4773 case OPC_CLZ ... OPC_CLO:
4774 gen_cl(ctx, op1, rd, rs);
4777 /* XXX: not clear which exception should be raised
4778 * when in debug mode...
4780 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
4781 generate_exception(ctx, EXCP_DBp);
4783 generate_exception(ctx, EXCP_DBp);
4785 /* Treat as a noop */
4787 #ifdef TARGET_MIPS64
4788 case OPC_DCLZ ... OPC_DCLO:
4789 gen_cl(ctx, op1, rd, rs);
4792 default: /* Invalid */
4793 MIPS_INVAL("special2");
4794 generate_exception(ctx, EXCP_RI);
4799 op1 = MASK_SPECIAL3(ctx->opcode);
4803 gen_bitops(ctx, op1, rt, rs, sa, rd);
4806 op2 = MASK_BSHFL(ctx->opcode);
4809 GEN_LOAD_REG_TN(T1, rt);
4813 GEN_LOAD_REG_TN(T1, rt);
4817 GEN_LOAD_REG_TN(T1, rt);
4820 default: /* Invalid */
4821 MIPS_INVAL("bshfl");
4822 generate_exception(ctx, EXCP_RI);
4825 GEN_STORE_TN_REG(rd, T0);
4830 save_cpu_state(ctx, 1);
4831 gen_op_rdhwr_cpunum();
4834 save_cpu_state(ctx, 1);
4835 gen_op_rdhwr_synci_step();
4838 save_cpu_state(ctx, 1);
4842 save_cpu_state(ctx, 1);
4843 gen_op_rdhwr_ccres();
4846 #if defined (CONFIG_USER_ONLY)
4847 gen_op_tls_value ();
4850 default: /* Invalid */
4851 MIPS_INVAL("rdhwr");
4852 generate_exception(ctx, EXCP_RI);
4855 GEN_STORE_TN_REG(rt, T0);
4857 #ifdef TARGET_MIPS64
4858 case OPC_DEXTM ... OPC_DEXT:
4859 case OPC_DINSM ... OPC_DINS:
4860 gen_bitops(ctx, op1, rt, rs, sa, rd);
4863 op2 = MASK_DBSHFL(ctx->opcode);
4866 GEN_LOAD_REG_TN(T1, rt);
4870 GEN_LOAD_REG_TN(T1, rt);
4873 default: /* Invalid */
4874 MIPS_INVAL("dbshfl");
4875 generate_exception(ctx, EXCP_RI);
4878 GEN_STORE_TN_REG(rd, T0);
4880 default: /* Invalid */
4881 MIPS_INVAL("special3");
4882 generate_exception(ctx, EXCP_RI);
4887 op1 = MASK_REGIMM(ctx->opcode);
4889 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
4890 case OPC_BLTZAL ... OPC_BGEZALL:
4891 gen_compute_branch(ctx, op1, rs, -1, imm << 2);
4893 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
4895 gen_trap(ctx, op1, rs, -1, imm);
4900 default: /* Invalid */
4901 MIPS_INVAL("REGIMM");
4902 generate_exception(ctx, EXCP_RI);
4907 save_cpu_state(ctx, 1);
4908 gen_op_cp0_enabled();
4909 op1 = MASK_CP0(ctx->opcode);
4913 #ifdef TARGET_MIPS64
4917 gen_cp0(ctx, op1, rt, rd);
4919 case OPC_C0_FIRST ... OPC_C0_LAST:
4920 gen_cp0(ctx, MASK_C0(ctx->opcode), rt, rd);
4923 op2 = MASK_MFMC0(ctx->opcode);
4927 /* Stop translation as we may have switched the execution mode */
4928 ctx->bstate = BS_STOP;
4932 /* Stop translation as we may have switched the execution mode */
4933 ctx->bstate = BS_STOP;
4935 default: /* Invalid */
4936 MIPS_INVAL("MFMC0");
4937 generate_exception(ctx, EXCP_RI);
4940 GEN_STORE_TN_REG(rt, T0);
4944 if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR)) {
4945 /* Shadow registers not implemented. */
4946 GEN_LOAD_REG_TN(T0, rt);
4947 GEN_STORE_TN_REG(rd, T0);
4949 generate_exception(ctx, EXCP_RI);
4952 generate_exception(ctx, EXCP_RI);
4956 case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */
4957 gen_arith_imm(ctx, op, rt, rs, imm);
4959 case OPC_J ... OPC_JAL: /* Jump */
4960 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
4961 gen_compute_branch(ctx, op, rs, rt, offset);
4963 case OPC_BEQ ... OPC_BGTZ: /* Branch */
4964 case OPC_BEQL ... OPC_BGTZL:
4965 gen_compute_branch(ctx, op, rs, rt, imm << 2);
4967 case OPC_LB ... OPC_LWR: /* Load and stores */
4968 case OPC_SB ... OPC_SW:
4972 gen_ldst(ctx, op, rt, rs, imm);
4975 /* Treat as a noop */
4978 /* Treat as a noop */
4981 /* Floating point. */
4986 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
4987 save_cpu_state(ctx, 1);
4988 gen_op_cp1_enabled();
4989 gen_flt_ldst(ctx, op, rt, rs, imm);
4991 generate_exception_err(ctx, EXCP_CpU, 1);
4996 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
4997 save_cpu_state(ctx, 1);
4998 gen_op_cp1_enabled();
4999 op1 = MASK_CP1(ctx->opcode);
5005 #ifdef TARGET_MIPS64
5009 gen_cp1(ctx, op1, rt, rd);
5012 gen_compute_branch1(ctx, MASK_CP1_BCOND(ctx->opcode), imm << 2);
5018 gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa);
5021 generate_exception (ctx, EXCP_RI);
5025 generate_exception_err(ctx, EXCP_CpU, 1);
5035 /* COP2: Not implemented. */
5036 generate_exception_err(ctx, EXCP_CpU, 2);
5040 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5041 save_cpu_state(ctx, 1);
5042 gen_op_cp1_enabled();
5043 op1 = MASK_CP3(ctx->opcode);
5048 /* Not implemented */
5050 generate_exception (ctx, EXCP_RI);
5054 generate_exception_err(ctx, EXCP_CpU, 1);
5058 #ifdef TARGET_MIPS64
5059 /* MIPS64 opcodes */
5061 case OPC_LDL ... OPC_LDR:
5062 case OPC_SDL ... OPC_SDR:
5067 gen_ldst(ctx, op, rt, rs, imm);
5069 case OPC_DADDI ... OPC_DADDIU:
5070 gen_arith_imm(ctx, op, rt, rs, imm);
5073 #ifdef MIPS_HAS_MIPS16
5075 /* MIPS16: Not implemented. */
5077 #ifdef MIPS_HAS_MDMX
5079 /* MDMX: Not implemented. */
5081 default: /* Invalid */
5083 generate_exception(ctx, EXCP_RI);
5086 if (ctx->hflags & MIPS_HFLAG_BMASK) {
5087 int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
5088 /* Branches completion */
5089 ctx->hflags &= ~MIPS_HFLAG_BMASK;
5090 ctx->bstate = BS_BRANCH;
5091 save_cpu_state(ctx, 0);
5092 switch (hflags & MIPS_HFLAG_BMASK) {
5094 /* unconditional branch */
5095 MIPS_DEBUG("unconditional branch");
5096 gen_goto_tb(ctx, 0, ctx->btarget);
5099 /* blikely taken case */
5100 MIPS_DEBUG("blikely branch taken");
5101 gen_goto_tb(ctx, 0, ctx->btarget);
5104 /* Conditional branch */
5105 MIPS_DEBUG("conditional branch");
5108 l1 = gen_new_label();
5110 gen_goto_tb(ctx, 1, ctx->pc + 4);
5112 gen_goto_tb(ctx, 0, ctx->btarget);
5116 /* unconditional branch to register */
5117 MIPS_DEBUG("branch to register");
5121 MIPS_DEBUG("unknown branch");
5128 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
5131 DisasContext ctx, *ctxp = &ctx;
5132 target_ulong pc_start;
5133 uint16_t *gen_opc_end;
5136 if (search_pc && loglevel)
5137 fprintf (logfile, "search pc %d\n", search_pc);
5140 gen_opc_ptr = gen_opc_buf;
5141 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
5142 gen_opparam_ptr = gen_opparam_buf;
5147 ctx.bstate = BS_NONE;
5148 /* Restore delay slot state from the tb context. */
5149 ctx.hflags = tb->flags;
5150 ctx.saved_hflags = ctx.hflags;
5151 if (ctx.hflags & MIPS_HFLAG_BR) {
5152 gen_op_restore_breg_target();
5153 } else if (ctx.hflags & MIPS_HFLAG_B) {
5154 ctx.btarget = env->btarget;
5155 } else if (ctx.hflags & MIPS_HFLAG_BMASK) {
5156 /* If we are in the delay slot of a conditional branch,
5157 * restore the branch condition from env->bcond to T2
5159 ctx.btarget = env->btarget;
5160 gen_op_restore_bcond();
5162 #if defined(CONFIG_USER_ONLY)
5165 ctx.mem_idx = !((ctx.hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM);
5167 ctx.CP0_Status = env->CP0_Status;
5169 if (loglevel & CPU_LOG_TB_CPU) {
5170 fprintf(logfile, "------------------------------------------------\n");
5171 /* FIXME: This may print out stale hflags from env... */
5172 cpu_dump_state(env, logfile, fprintf, 0);
5175 #if defined MIPS_DEBUG_DISAS
5176 if (loglevel & CPU_LOG_TB_IN_ASM)
5177 fprintf(logfile, "\ntb %p super %d cond %04x\n",
5178 tb, ctx.mem_idx, ctx.hflags);
5180 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
5181 if (env->nb_breakpoints > 0) {
5182 for(j = 0; j < env->nb_breakpoints; j++) {
5183 if (env->breakpoints[j] == ctx.pc) {
5184 save_cpu_state(ctxp, 1);
5185 ctx.bstate = BS_BRANCH;
5187 goto done_generating;
5193 j = gen_opc_ptr - gen_opc_buf;
5197 gen_opc_instr_start[lj++] = 0;
5199 gen_opc_pc[lj] = ctx.pc;
5200 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
5201 gen_opc_instr_start[lj] = 1;
5203 ctx.opcode = ldl_code(ctx.pc);
5204 decode_opc(env, &ctx);
5207 if (env->singlestep_enabled)
5210 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
5213 #if defined (MIPS_SINGLE_STEP)
5217 if (env->singlestep_enabled) {
5218 save_cpu_state(ctxp, ctx.bstate == BS_NONE);
5220 goto done_generating;
5222 else if (ctx.bstate != BS_BRANCH && ctx.bstate != BS_EXCP) {
5223 save_cpu_state(ctxp, 0);
5224 gen_goto_tb(&ctx, 0, ctx.pc);
5227 /* Generate the return instruction */
5230 *gen_opc_ptr = INDEX_op_end;
5232 j = gen_opc_ptr - gen_opc_buf;
5235 gen_opc_instr_start[lj++] = 0;
5238 tb->size = ctx.pc - pc_start;
5241 #if defined MIPS_DEBUG_DISAS
5242 if (loglevel & CPU_LOG_TB_IN_ASM)
5243 fprintf(logfile, "\n");
5245 if (loglevel & CPU_LOG_TB_IN_ASM) {
5246 fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
5247 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
5248 fprintf(logfile, "\n");
5250 if (loglevel & CPU_LOG_TB_OP) {
5251 fprintf(logfile, "OP:\n");
5252 dump_ops(gen_opc_buf, gen_opparam_buf);
5253 fprintf(logfile, "\n");
5255 if (loglevel & CPU_LOG_TB_CPU) {
5256 fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
5263 int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
5265 return gen_intermediate_code_internal(env, tb, 0);
5268 int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
5270 return gen_intermediate_code_internal(env, tb, 1);
5273 void fpu_dump_state(CPUState *env, FILE *f,
5274 int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
5279 # define printfpr(fp) do { \
5280 fpu_fprintf(f, "w:%08x d:%08lx%08lx fd:%g fs:%g\n", \
5281 (fp)->w[FP_ENDIAN_IDX], (fp)->w[0], (fp)->w[1], (fp)->fd, (fp)->fs[FP_ENDIAN_IDX]); \
5284 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d\n",
5285 env->fcr0, env->fcr31,
5286 (env->CP0_Status & (1 << CP0St_FR)) != 0);
5287 fpu_fprintf(f, "FT0: "); printfpr(&env->ft0);
5288 fpu_fprintf(f, "FT1: "); printfpr(&env->ft1);
5289 fpu_fprintf(f, "FT2: "); printfpr(&env->ft2);
5290 for(i = 0; i < 32; i += 2) {
5291 fpu_fprintf(f, "%s: ", fregnames[i]);
5292 printfpr(FPR(env, i));
5298 void dump_fpu (CPUState *env)
5301 fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
5302 env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
5303 fpu_dump_state(env, logfile, fprintf, 0);
5307 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
5308 /* Debug help: The architecture requires 32bit code to maintain proper
5309 sign-extened values on 64bit machines. */
5311 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
5313 void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
5314 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
5319 if (!SIGN_EXT_P(env->PC))
5320 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC);
5321 if (!SIGN_EXT_P(env->HI))
5322 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI);
5323 if (!SIGN_EXT_P(env->LO))
5324 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO);
5325 if (!SIGN_EXT_P(env->btarget))
5326 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
5328 for (i = 0; i < 32; i++) {
5329 if (!SIGN_EXT_P(env->gpr[i]))
5330 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[i]);
5333 if (!SIGN_EXT_P(env->CP0_EPC))
5334 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
5335 if (!SIGN_EXT_P(env->CP0_LLAddr))
5336 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr);
5340 void cpu_dump_state (CPUState *env, FILE *f,
5341 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
5347 cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
5348 env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
5349 for (i = 0; i < 32; i++) {
5351 cpu_fprintf(f, "GPR%02d:", i);
5352 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[i]);
5354 cpu_fprintf(f, "\n");
5357 c0_status = env->CP0_Status;
5359 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
5360 c0_status, env->CP0_Cause, env->CP0_EPC);
5361 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
5362 env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
5363 if (c0_status & (1 << CP0St_CU1))
5364 fpu_dump_state(env, f, cpu_fprintf, flags);
5365 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
5366 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
5370 CPUMIPSState *cpu_mips_init (void)
5374 env = qemu_mallocz(sizeof(CPUMIPSState));
5382 void cpu_reset (CPUMIPSState *env)
5384 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
5389 #if !defined(CONFIG_USER_ONLY)
5390 if (env->hflags & MIPS_HFLAG_BMASK) {
5391 /* If the exception was raised from a delay slot,
5392 * come back to the jump. */
5393 env->CP0_ErrorEPC = env->PC - 4;
5394 env->hflags &= ~MIPS_HFLAG_BMASK;
5396 env->CP0_ErrorEPC = env->PC;
5399 env->PC = (int32_t)0xBFC00000;
5400 #if defined (MIPS_USES_R4K_TLB)
5401 env->CP0_Random = MIPS_TLB_NB - 1;
5402 env->tlb_in_use = MIPS_TLB_NB;
5405 /* SMP not implemented */
5406 env->CP0_EBase = 0x80000000;
5407 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
5408 env->CP0_WatchLo = 0;
5409 /* Count register increments in debug mode, EJTAG version 1 */
5410 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
5412 env->exception_index = EXCP_NONE;
5413 #if defined(CONFIG_USER_ONLY)
5414 env->hflags |= MIPS_HFLAG_UM;
5415 env->user_mode_only = 1;
5417 /* XXX some guesswork here, values are CPU specific */
5418 env->SYNCI_Step = 16;
5422 #include "translate_init.c"