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 & 0xFFFF)
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);
910 uimm = (int32_t)(imm << 16);
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);
1459 gen_op_save_pc(dest);
1465 /* Branches (before delay slot) */
1466 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
1467 int rs, int rt, int32_t offset)
1469 target_ulong btarget = -1;
1473 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1474 if (loglevel & CPU_LOG_TB_IN_ASM) {
1476 "undefined branch in delay slot at PC " TARGET_FMT_lx "\n",
1479 MIPS_INVAL("branch/jump in bdelay slot");
1480 generate_exception(ctx, EXCP_RI);
1484 /* Load needed operands */
1490 /* Compare two registers */
1492 GEN_LOAD_REG_TN(T0, rs);
1493 GEN_LOAD_REG_TN(T1, rt);
1496 btarget = ctx->pc + 4 + offset;
1510 /* Compare to zero */
1512 gen_op_load_gpr_T0(rs);
1515 btarget = ctx->pc + 4 + offset;
1519 /* Jump to immediate */
1520 btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | offset;
1524 /* Jump to register */
1525 if (offset != 0 && offset != 16) {
1526 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
1527 others are reserved. */
1528 generate_exception(ctx, EXCP_RI);
1531 GEN_LOAD_REG_TN(T2, rs);
1534 MIPS_INVAL("branch/jump");
1535 generate_exception(ctx, EXCP_RI);
1539 /* No condition to be computed */
1541 case OPC_BEQ: /* rx == rx */
1542 case OPC_BEQL: /* rx == rx likely */
1543 case OPC_BGEZ: /* 0 >= 0 */
1544 case OPC_BGEZL: /* 0 >= 0 likely */
1545 case OPC_BLEZ: /* 0 <= 0 */
1546 case OPC_BLEZL: /* 0 <= 0 likely */
1548 ctx->hflags |= MIPS_HFLAG_B;
1549 MIPS_DEBUG("balways");
1551 case OPC_BGEZAL: /* 0 >= 0 */
1552 case OPC_BGEZALL: /* 0 >= 0 likely */
1553 /* Always take and link */
1555 ctx->hflags |= MIPS_HFLAG_B;
1556 MIPS_DEBUG("balways and link");
1558 case OPC_BNE: /* rx != rx */
1559 case OPC_BGTZ: /* 0 > 0 */
1560 case OPC_BLTZ: /* 0 < 0 */
1561 /* Treated as NOP */
1562 MIPS_DEBUG("bnever (NOP)");
1564 case OPC_BLTZAL: /* 0 < 0 */
1565 gen_op_set_T0(ctx->pc + 8);
1566 gen_op_store_T0_gpr(31);
1567 MIPS_DEBUG("bnever and link");
1569 case OPC_BLTZALL: /* 0 < 0 likely */
1570 gen_op_set_T0(ctx->pc + 8);
1571 gen_op_store_T0_gpr(31);
1572 /* Skip the instruction in the delay slot */
1573 MIPS_DEBUG("bnever, link and skip");
1576 case OPC_BNEL: /* rx != rx likely */
1577 case OPC_BGTZL: /* 0 > 0 likely */
1578 case OPC_BLTZL: /* 0 < 0 likely */
1579 /* Skip the instruction in the delay slot */
1580 MIPS_DEBUG("bnever and skip");
1584 ctx->hflags |= MIPS_HFLAG_B;
1585 MIPS_DEBUG("j %08x", btarget);
1589 ctx->hflags |= MIPS_HFLAG_B;
1590 MIPS_DEBUG("jal %08x", btarget);
1593 ctx->hflags |= MIPS_HFLAG_BR;
1594 MIPS_DEBUG("jr %s", regnames[rs]);
1598 ctx->hflags |= MIPS_HFLAG_BR;
1599 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
1602 MIPS_INVAL("branch/jump");
1603 generate_exception(ctx, EXCP_RI);
1610 MIPS_DEBUG("beq %s, %s, %08x",
1611 regnames[rs], regnames[rt], btarget);
1615 MIPS_DEBUG("beql %s, %s, %08x",
1616 regnames[rs], regnames[rt], btarget);
1620 MIPS_DEBUG("bne %s, %s, %08x",
1621 regnames[rs], regnames[rt], btarget);
1625 MIPS_DEBUG("bnel %s, %s, %08x",
1626 regnames[rs], regnames[rt], btarget);
1630 MIPS_DEBUG("bgez %s, %08x", regnames[rs], btarget);
1634 MIPS_DEBUG("bgezl %s, %08x", regnames[rs], btarget);
1638 MIPS_DEBUG("bgezal %s, %08x", regnames[rs], btarget);
1644 MIPS_DEBUG("bgezall %s, %08x", regnames[rs], btarget);
1648 MIPS_DEBUG("bgtz %s, %08x", regnames[rs], btarget);
1652 MIPS_DEBUG("bgtzl %s, %08x", regnames[rs], btarget);
1656 MIPS_DEBUG("blez %s, %08x", regnames[rs], btarget);
1660 MIPS_DEBUG("blezl %s, %08x", regnames[rs], btarget);
1664 MIPS_DEBUG("bltz %s, %08x", regnames[rs], btarget);
1668 MIPS_DEBUG("bltzl %s, %08x", regnames[rs], btarget);
1673 MIPS_DEBUG("bltzal %s, %08x", regnames[rs], btarget);
1675 ctx->hflags |= MIPS_HFLAG_BC;
1680 MIPS_DEBUG("bltzall %s, %08x", regnames[rs], btarget);
1682 ctx->hflags |= MIPS_HFLAG_BL;
1685 MIPS_INVAL("conditional branch/jump");
1686 generate_exception(ctx, EXCP_RI);
1691 MIPS_DEBUG("enter ds: link %d cond %02x target %08x",
1692 blink, ctx->hflags, btarget);
1693 ctx->btarget = btarget;
1695 gen_op_set_T0(ctx->pc + 8);
1696 gen_op_store_T0_gpr(blink);
1700 /* special3 bitfield operations */
1701 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
1702 int rs, int lsb, int msb)
1704 GEN_LOAD_REG_TN(T1, rs);
1709 gen_op_ext(lsb, msb + 1);
1714 gen_op_ext(lsb, msb + 1 + 32);
1719 gen_op_ext(lsb + 32, msb + 1);
1722 gen_op_ext(lsb, msb + 1);
1727 GEN_LOAD_REG_TN(T0, rt);
1728 gen_op_ins(lsb, msb - lsb + 1);
1733 GEN_LOAD_REG_TN(T0, rt);
1734 gen_op_ins(lsb, msb - lsb + 1 + 32);
1739 GEN_LOAD_REG_TN(T0, rt);
1740 gen_op_ins(lsb + 32, msb - lsb + 1);
1745 GEN_LOAD_REG_TN(T0, rt);
1746 gen_op_ins(lsb, msb - lsb + 1);
1750 MIPS_INVAL("bitops");
1751 generate_exception(ctx, EXCP_RI);
1754 GEN_STORE_TN_REG(rt, T0);
1757 /* CP0 (MMU and control) */
1758 static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
1760 const char *rn = "invalid";
1766 gen_op_mfc0_index();
1770 // gen_op_mfc0_mvpcontrol(); /* MT ASE */
1774 // gen_op_mfc0_mvpconf0(); /* MT ASE */
1778 // gen_op_mfc0_mvpconf1(); /* MT ASE */
1788 gen_op_mfc0_random();
1792 // gen_op_mfc0_vpecontrol(); /* MT ASE */
1796 // gen_op_mfc0_vpeconf0(); /* MT ASE */
1800 // gen_op_mfc0_vpeconf1(); /* MT ASE */
1804 // gen_op_mfc0_YQMask(); /* MT ASE */
1808 // gen_op_mfc0_vpeschedule(); /* MT ASE */
1812 // gen_op_mfc0_vpeschefback(); /* MT ASE */
1813 rn = "VPEScheFBack";
1816 // gen_op_mfc0_vpeopt(); /* MT ASE */
1826 gen_op_mfc0_entrylo0();
1830 // gen_op_mfc0_tcstatus(); /* MT ASE */
1834 // gen_op_mfc0_tcbind(); /* MT ASE */
1838 // gen_op_mfc0_tcrestart(); /* MT ASE */
1842 // gen_op_mfc0_tchalt(); /* MT ASE */
1846 // gen_op_mfc0_tccontext(); /* MT ASE */
1850 // gen_op_mfc0_tcschedule(); /* MT ASE */
1854 // gen_op_mfc0_tcschefback(); /* MT ASE */
1864 gen_op_mfc0_entrylo1();
1874 gen_op_mfc0_context();
1878 // gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
1879 rn = "ContextConfig";
1888 gen_op_mfc0_pagemask();
1892 gen_op_mfc0_pagegrain();
1902 gen_op_mfc0_wired();
1906 // gen_op_mfc0_srsconf0(); /* shadow registers */
1910 // gen_op_mfc0_srsconf1(); /* shadow registers */
1914 // gen_op_mfc0_srsconf2(); /* shadow registers */
1918 // gen_op_mfc0_srsconf3(); /* shadow registers */
1922 // gen_op_mfc0_srsconf4(); /* shadow registers */
1932 gen_op_mfc0_hwrena();
1942 gen_op_mfc0_badvaddr();
1952 gen_op_mfc0_count();
1955 /* 6,7 are implementation dependent */
1963 gen_op_mfc0_entryhi();
1973 gen_op_mfc0_compare();
1976 /* 6,7 are implementation dependent */
1984 gen_op_mfc0_status();
1988 gen_op_mfc0_intctl();
1992 gen_op_mfc0_srsctl();
1996 // gen_op_mfc0_srsmap(); /* shadow registers */
2006 gen_op_mfc0_cause();
2030 gen_op_mfc0_ebase();
2040 gen_op_mfc0_config0();
2044 gen_op_mfc0_config1();
2048 gen_op_mfc0_config2();
2052 gen_op_mfc0_config3();
2055 /* 4,5 are reserved */
2056 /* 6,7 are implementation dependent */
2058 gen_op_mfc0_config6();
2062 gen_op_mfc0_config7();
2072 gen_op_mfc0_lladdr();
2082 gen_op_mfc0_watchlo0();
2086 // gen_op_mfc0_watchlo1();
2090 // gen_op_mfc0_watchlo2();
2094 // gen_op_mfc0_watchlo3();
2098 // gen_op_mfc0_watchlo4();
2102 // gen_op_mfc0_watchlo5();
2106 // gen_op_mfc0_watchlo6();
2110 // gen_op_mfc0_watchlo7();
2120 gen_op_mfc0_watchhi0();
2124 // gen_op_mfc0_watchhi1();
2128 // gen_op_mfc0_watchhi2();
2132 // gen_op_mfc0_watchhi3();
2136 // gen_op_mfc0_watchhi4();
2140 // gen_op_mfc0_watchhi5();
2144 // gen_op_mfc0_watchhi6();
2148 // gen_op_mfc0_watchhi7();
2158 /* 64 bit MMU only */
2159 gen_op_mfc0_xcontext();
2167 /* Officially reserved, but sel 0 is used for R1x000 framemask */
2170 gen_op_mfc0_framemask();
2179 rn = "'Diagnostic"; /* implementation dependent */
2184 gen_op_mfc0_debug(); /* EJTAG support */
2188 // gen_op_mfc0_tracecontrol(); /* PDtrace support */
2189 rn = "TraceControl";
2192 // gen_op_mfc0_tracecontrol2(); /* PDtrace support */
2193 rn = "TraceControl2";
2196 // gen_op_mfc0_usertracedata(); /* PDtrace support */
2197 rn = "UserTraceData";
2200 // gen_op_mfc0_debug(); /* PDtrace support */
2210 gen_op_mfc0_depc(); /* EJTAG support */
2220 gen_op_mfc0_performance0();
2221 rn = "Performance0";
2224 // gen_op_mfc0_performance1();
2225 rn = "Performance1";
2228 // gen_op_mfc0_performance2();
2229 rn = "Performance2";
2232 // gen_op_mfc0_performance3();
2233 rn = "Performance3";
2236 // gen_op_mfc0_performance4();
2237 rn = "Performance4";
2240 // gen_op_mfc0_performance5();
2241 rn = "Performance5";
2244 // gen_op_mfc0_performance6();
2245 rn = "Performance6";
2248 // gen_op_mfc0_performance7();
2249 rn = "Performance7";
2274 gen_op_mfc0_taglo();
2281 gen_op_mfc0_datalo();
2294 gen_op_mfc0_taghi();
2301 gen_op_mfc0_datahi();
2311 gen_op_mfc0_errorepc();
2321 gen_op_mfc0_desave(); /* EJTAG support */
2331 #if defined MIPS_DEBUG_DISAS
2332 if (loglevel & CPU_LOG_TB_IN_ASM) {
2333 fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
2340 #if defined MIPS_DEBUG_DISAS
2341 if (loglevel & CPU_LOG_TB_IN_ASM) {
2342 fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
2346 generate_exception(ctx, EXCP_RI);
2349 static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
2351 const char *rn = "invalid";
2357 gen_op_mtc0_index();
2361 // gen_op_mtc0_mvpcontrol(); /* MT ASE */
2365 // gen_op_mtc0_mvpconf0(); /* MT ASE */
2369 // gen_op_mtc0_mvpconf1(); /* MT ASE */
2383 // gen_op_mtc0_vpecontrol(); /* MT ASE */
2387 // gen_op_mtc0_vpeconf0(); /* MT ASE */
2391 // gen_op_mtc0_vpeconf1(); /* MT ASE */
2395 // gen_op_mtc0_YQMask(); /* MT ASE */
2399 // gen_op_mtc0_vpeschedule(); /* MT ASE */
2403 // gen_op_mtc0_vpeschefback(); /* MT ASE */
2404 rn = "VPEScheFBack";
2407 // gen_op_mtc0_vpeopt(); /* MT ASE */
2417 gen_op_mtc0_entrylo0();
2421 // gen_op_mtc0_tcstatus(); /* MT ASE */
2425 // gen_op_mtc0_tcbind(); /* MT ASE */
2429 // gen_op_mtc0_tcrestart(); /* MT ASE */
2433 // gen_op_mtc0_tchalt(); /* MT ASE */
2437 // gen_op_mtc0_tccontext(); /* MT ASE */
2441 // gen_op_mtc0_tcschedule(); /* MT ASE */
2445 // gen_op_mtc0_tcschefback(); /* MT ASE */
2455 gen_op_mtc0_entrylo1();
2465 gen_op_mtc0_context();
2469 // gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
2470 rn = "ContextConfig";
2479 gen_op_mtc0_pagemask();
2483 gen_op_mtc0_pagegrain();
2493 gen_op_mtc0_wired();
2497 // gen_op_mtc0_srsconf0(); /* shadow registers */
2501 // gen_op_mtc0_srsconf1(); /* shadow registers */
2505 // gen_op_mtc0_srsconf2(); /* shadow registers */
2509 // gen_op_mtc0_srsconf3(); /* shadow registers */
2513 // gen_op_mtc0_srsconf4(); /* shadow registers */
2523 gen_op_mtc0_hwrena();
2537 gen_op_mtc0_count();
2540 /* 6,7 are implementation dependent */
2544 /* Stop translation as we may have switched the execution mode */
2545 ctx->bstate = BS_STOP;
2550 gen_op_mtc0_entryhi();
2560 gen_op_mtc0_compare();
2563 /* 6,7 are implementation dependent */
2567 /* Stop translation as we may have switched the execution mode */
2568 ctx->bstate = BS_STOP;
2573 gen_op_mtc0_status();
2577 gen_op_mtc0_intctl();
2581 gen_op_mtc0_srsctl();
2585 // gen_op_mtc0_srsmap(); /* shadow registers */
2591 /* Stop translation as we may have switched the execution mode */
2592 ctx->bstate = BS_STOP;
2597 gen_op_mtc0_cause();
2603 /* Stop translation as we may have switched the execution mode */
2604 ctx->bstate = BS_STOP;
2623 gen_op_mtc0_ebase();
2633 gen_op_mtc0_config0();
2635 /* Stop translation as we may have switched the execution mode */
2636 ctx->bstate = BS_STOP;
2639 /* ignored, read only */
2643 gen_op_mtc0_config2();
2645 /* Stop translation as we may have switched the execution mode */
2646 ctx->bstate = BS_STOP;
2649 /* ignored, read only */
2652 /* 4,5 are reserved */
2653 /* 6,7 are implementation dependent */
2663 rn = "Invalid config selector";
2680 gen_op_mtc0_watchlo0();
2684 // gen_op_mtc0_watchlo1();
2688 // gen_op_mtc0_watchlo2();
2692 // gen_op_mtc0_watchlo3();
2696 // gen_op_mtc0_watchlo4();
2700 // gen_op_mtc0_watchlo5();
2704 // gen_op_mtc0_watchlo6();
2708 // gen_op_mtc0_watchlo7();
2718 gen_op_mtc0_watchhi0();
2722 // gen_op_mtc0_watchhi1();
2726 // gen_op_mtc0_watchhi2();
2730 // gen_op_mtc0_watchhi3();
2734 // gen_op_mtc0_watchhi4();
2738 // gen_op_mtc0_watchhi5();
2742 // gen_op_mtc0_watchhi6();
2746 // gen_op_mtc0_watchhi7();
2756 /* 64 bit MMU only */
2757 /* Nothing writable in lower 32 bits */
2765 /* Officially reserved, but sel 0 is used for R1x000 framemask */
2768 gen_op_mtc0_framemask();
2777 rn = "Diagnostic"; /* implementation dependent */
2782 gen_op_mtc0_debug(); /* EJTAG support */
2786 // gen_op_mtc0_tracecontrol(); /* PDtrace support */
2787 rn = "TraceControl";
2790 // gen_op_mtc0_tracecontrol2(); /* PDtrace support */
2791 rn = "TraceControl2";
2794 // gen_op_mtc0_usertracedata(); /* PDtrace support */
2795 rn = "UserTraceData";
2798 // gen_op_mtc0_debug(); /* PDtrace support */
2804 /* Stop translation as we may have switched the execution mode */
2805 ctx->bstate = BS_STOP;
2810 gen_op_mtc0_depc(); /* EJTAG support */
2820 gen_op_mtc0_performance0();
2821 rn = "Performance0";
2824 // gen_op_mtc0_performance1();
2825 rn = "Performance1";
2828 // gen_op_mtc0_performance2();
2829 rn = "Performance2";
2832 // gen_op_mtc0_performance3();
2833 rn = "Performance3";
2836 // gen_op_mtc0_performance4();
2837 rn = "Performance4";
2840 // gen_op_mtc0_performance5();
2841 rn = "Performance5";
2844 // gen_op_mtc0_performance6();
2845 rn = "Performance6";
2848 // gen_op_mtc0_performance7();
2849 rn = "Performance7";
2875 gen_op_mtc0_taglo();
2882 gen_op_mtc0_datalo();
2895 gen_op_mtc0_taghi();
2902 gen_op_mtc0_datahi();
2913 gen_op_mtc0_errorepc();
2923 gen_op_mtc0_desave(); /* EJTAG support */
2929 /* Stop translation as we may have switched the execution mode */
2930 ctx->bstate = BS_STOP;
2935 #if defined MIPS_DEBUG_DISAS
2936 if (loglevel & CPU_LOG_TB_IN_ASM) {
2937 fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
2944 #if defined MIPS_DEBUG_DISAS
2945 if (loglevel & CPU_LOG_TB_IN_ASM) {
2946 fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
2950 generate_exception(ctx, EXCP_RI);
2953 #ifdef TARGET_MIPS64
2954 static void gen_dmfc0 (DisasContext *ctx, int reg, int sel)
2956 const char *rn = "invalid";
2962 gen_op_mfc0_index();
2966 // gen_op_dmfc0_mvpcontrol(); /* MT ASE */
2970 // gen_op_dmfc0_mvpconf0(); /* MT ASE */
2974 // gen_op_dmfc0_mvpconf1(); /* MT ASE */
2984 gen_op_mfc0_random();
2988 // gen_op_dmfc0_vpecontrol(); /* MT ASE */
2992 // gen_op_dmfc0_vpeconf0(); /* MT ASE */
2996 // gen_op_dmfc0_vpeconf1(); /* MT ASE */
3000 // gen_op_dmfc0_YQMask(); /* MT ASE */
3004 // gen_op_dmfc0_vpeschedule(); /* MT ASE */
3008 // gen_op_dmfc0_vpeschefback(); /* MT ASE */
3009 rn = "VPEScheFBack";
3012 // gen_op_dmfc0_vpeopt(); /* MT ASE */
3022 gen_op_dmfc0_entrylo0();
3026 // gen_op_dmfc0_tcstatus(); /* MT ASE */
3030 // gen_op_dmfc0_tcbind(); /* MT ASE */
3034 // gen_op_dmfc0_tcrestart(); /* MT ASE */
3038 // gen_op_dmfc0_tchalt(); /* MT ASE */
3042 // gen_op_dmfc0_tccontext(); /* MT ASE */
3046 // gen_op_dmfc0_tcschedule(); /* MT ASE */
3050 // gen_op_dmfc0_tcschefback(); /* MT ASE */
3060 gen_op_dmfc0_entrylo1();
3070 gen_op_dmfc0_context();
3074 // gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
3075 rn = "ContextConfig";
3084 gen_op_mfc0_pagemask();
3088 gen_op_mfc0_pagegrain();
3098 gen_op_mfc0_wired();
3102 // gen_op_dmfc0_srsconf0(); /* shadow registers */
3106 // gen_op_dmfc0_srsconf1(); /* shadow registers */
3110 // gen_op_dmfc0_srsconf2(); /* shadow registers */
3114 // gen_op_dmfc0_srsconf3(); /* shadow registers */
3118 // gen_op_dmfc0_srsconf4(); /* shadow registers */
3128 gen_op_mfc0_hwrena();
3138 gen_op_dmfc0_badvaddr();
3148 gen_op_mfc0_count();
3151 /* 6,7 are implementation dependent */
3159 gen_op_dmfc0_entryhi();
3169 gen_op_mfc0_compare();
3172 /* 6,7 are implementation dependent */
3180 gen_op_mfc0_status();
3184 gen_op_mfc0_intctl();
3188 gen_op_mfc0_srsctl();
3192 gen_op_mfc0_srsmap(); /* shadow registers */
3202 gen_op_mfc0_cause();
3226 gen_op_mfc0_ebase();
3236 gen_op_mfc0_config0();
3240 gen_op_mfc0_config1();
3244 gen_op_mfc0_config2();
3248 gen_op_mfc0_config3();
3251 /* 6,7 are implementation dependent */
3259 gen_op_dmfc0_lladdr();
3269 gen_op_dmfc0_watchlo0();
3273 // gen_op_dmfc0_watchlo1();
3277 // gen_op_dmfc0_watchlo2();
3281 // gen_op_dmfc0_watchlo3();
3285 // gen_op_dmfc0_watchlo4();
3289 // gen_op_dmfc0_watchlo5();
3293 // gen_op_dmfc0_watchlo6();
3297 // gen_op_dmfc0_watchlo7();
3307 gen_op_mfc0_watchhi0();
3311 // gen_op_mfc0_watchhi1();
3315 // gen_op_mfc0_watchhi2();
3319 // gen_op_mfc0_watchhi3();
3323 // gen_op_mfc0_watchhi4();
3327 // gen_op_mfc0_watchhi5();
3331 // gen_op_mfc0_watchhi6();
3335 // gen_op_mfc0_watchhi7();
3345 /* 64 bit MMU only */
3346 gen_op_dmfc0_xcontext();
3354 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3357 gen_op_mfc0_framemask();
3366 rn = "'Diagnostic"; /* implementation dependent */
3371 gen_op_mfc0_debug(); /* EJTAG support */
3375 // gen_op_dmfc0_tracecontrol(); /* PDtrace support */
3376 rn = "TraceControl";
3379 // gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
3380 rn = "TraceControl2";
3383 // gen_op_dmfc0_usertracedata(); /* PDtrace support */
3384 rn = "UserTraceData";
3387 // gen_op_dmfc0_debug(); /* PDtrace support */
3397 gen_op_dmfc0_depc(); /* EJTAG support */
3407 gen_op_mfc0_performance0();
3408 rn = "Performance0";
3411 // gen_op_dmfc0_performance1();
3412 rn = "Performance1";
3415 // gen_op_dmfc0_performance2();
3416 rn = "Performance2";
3419 // gen_op_dmfc0_performance3();
3420 rn = "Performance3";
3423 // gen_op_dmfc0_performance4();
3424 rn = "Performance4";
3427 // gen_op_dmfc0_performance5();
3428 rn = "Performance5";
3431 // gen_op_dmfc0_performance6();
3432 rn = "Performance6";
3435 // gen_op_dmfc0_performance7();
3436 rn = "Performance7";
3461 gen_op_mfc0_taglo();
3468 gen_op_mfc0_datalo();
3481 gen_op_mfc0_taghi();
3488 gen_op_mfc0_datahi();
3498 gen_op_dmfc0_errorepc();
3508 gen_op_mfc0_desave(); /* EJTAG support */
3518 #if defined MIPS_DEBUG_DISAS
3519 if (loglevel & CPU_LOG_TB_IN_ASM) {
3520 fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
3527 #if defined MIPS_DEBUG_DISAS
3528 if (loglevel & CPU_LOG_TB_IN_ASM) {
3529 fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
3533 generate_exception(ctx, EXCP_RI);
3536 static void gen_dmtc0 (DisasContext *ctx, int reg, int sel)
3538 const char *rn = "invalid";
3544 gen_op_mtc0_index();
3548 // gen_op_dmtc0_mvpcontrol(); /* MT ASE */
3552 // gen_op_dmtc0_mvpconf0(); /* MT ASE */
3556 // gen_op_dmtc0_mvpconf1(); /* MT ASE */
3570 // gen_op_dmtc0_vpecontrol(); /* MT ASE */
3574 // gen_op_dmtc0_vpeconf0(); /* MT ASE */
3578 // gen_op_dmtc0_vpeconf1(); /* MT ASE */
3582 // gen_op_dmtc0_YQMask(); /* MT ASE */
3586 // gen_op_dmtc0_vpeschedule(); /* MT ASE */
3590 // gen_op_dmtc0_vpeschefback(); /* MT ASE */
3591 rn = "VPEScheFBack";
3594 // gen_op_dmtc0_vpeopt(); /* MT ASE */
3604 gen_op_dmtc0_entrylo0();
3608 // gen_op_dmtc0_tcstatus(); /* MT ASE */
3612 // gen_op_dmtc0_tcbind(); /* MT ASE */
3616 // gen_op_dmtc0_tcrestart(); /* MT ASE */
3620 // gen_op_dmtc0_tchalt(); /* MT ASE */
3624 // gen_op_dmtc0_tccontext(); /* MT ASE */
3628 // gen_op_dmtc0_tcschedule(); /* MT ASE */
3632 // gen_op_dmtc0_tcschefback(); /* MT ASE */
3642 gen_op_dmtc0_entrylo1();
3652 gen_op_dmtc0_context();
3656 // gen_op_dmtc0_contextconfig(); /* SmartMIPS ASE */
3657 rn = "ContextConfig";
3666 gen_op_mtc0_pagemask();
3670 gen_op_mtc0_pagegrain();
3680 gen_op_mtc0_wired();
3684 // gen_op_dmtc0_srsconf0(); /* shadow registers */
3688 // gen_op_dmtc0_srsconf1(); /* shadow registers */
3692 // gen_op_dmtc0_srsconf2(); /* shadow registers */
3696 // gen_op_dmtc0_srsconf3(); /* shadow registers */
3700 // gen_op_dmtc0_srsconf4(); /* shadow registers */
3710 gen_op_mtc0_hwrena();
3724 gen_op_mtc0_count();
3727 /* 6,7 are implementation dependent */
3731 /* Stop translation as we may have switched the execution mode */
3732 ctx->bstate = BS_STOP;
3737 gen_op_mtc0_entryhi();
3747 gen_op_mtc0_compare();
3750 /* 6,7 are implementation dependent */
3754 /* Stop translation as we may have switched the execution mode */
3755 ctx->bstate = BS_STOP;
3760 gen_op_mtc0_status();
3764 gen_op_mtc0_intctl();
3768 gen_op_mtc0_srsctl();
3772 gen_op_mtc0_srsmap(); /* shadow registers */
3778 /* Stop translation as we may have switched the execution mode */
3779 ctx->bstate = BS_STOP;
3784 gen_op_mtc0_cause();
3790 /* Stop translation as we may have switched the execution mode */
3791 ctx->bstate = BS_STOP;
3810 gen_op_mtc0_ebase();
3820 gen_op_mtc0_config0();
3822 /* Stop translation as we may have switched the execution mode */
3823 ctx->bstate = BS_STOP;
3830 gen_op_mtc0_config2();
3832 /* Stop translation as we may have switched the execution mode */
3833 ctx->bstate = BS_STOP;
3839 /* 6,7 are implementation dependent */
3841 rn = "Invalid config selector";
3858 gen_op_dmtc0_watchlo0();
3862 // gen_op_dmtc0_watchlo1();
3866 // gen_op_dmtc0_watchlo2();
3870 // gen_op_dmtc0_watchlo3();
3874 // gen_op_dmtc0_watchlo4();
3878 // gen_op_dmtc0_watchlo5();
3882 // gen_op_dmtc0_watchlo6();
3886 // gen_op_dmtc0_watchlo7();
3896 gen_op_mtc0_watchhi0();
3900 // gen_op_dmtc0_watchhi1();
3904 // gen_op_dmtc0_watchhi2();
3908 // gen_op_dmtc0_watchhi3();
3912 // gen_op_dmtc0_watchhi4();
3916 // gen_op_dmtc0_watchhi5();
3920 // gen_op_dmtc0_watchhi6();
3924 // gen_op_dmtc0_watchhi7();
3934 /* 64 bit MMU only */
3935 gen_op_dmtc0_xcontext();
3943 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3946 gen_op_mtc0_framemask();
3955 rn = "Diagnostic"; /* implementation dependent */
3960 gen_op_mtc0_debug(); /* EJTAG support */
3964 // gen_op_dmtc0_tracecontrol(); /* PDtrace support */
3965 rn = "TraceControl";
3968 // gen_op_dmtc0_tracecontrol2(); /* PDtrace support */
3969 rn = "TraceControl2";
3972 // gen_op_dmtc0_usertracedata(); /* PDtrace support */
3973 rn = "UserTraceData";
3976 // gen_op_dmtc0_debug(); /* PDtrace support */
3982 /* Stop translation as we may have switched the execution mode */
3983 ctx->bstate = BS_STOP;
3988 gen_op_dmtc0_depc(); /* EJTAG support */
3998 gen_op_mtc0_performance0();
3999 rn = "Performance0";
4002 // gen_op_dmtc0_performance1();
4003 rn = "Performance1";
4006 // gen_op_dmtc0_performance2();
4007 rn = "Performance2";
4010 // gen_op_dmtc0_performance3();
4011 rn = "Performance3";
4014 // gen_op_dmtc0_performance4();
4015 rn = "Performance4";
4018 // gen_op_dmtc0_performance5();
4019 rn = "Performance5";
4022 // gen_op_dmtc0_performance6();
4023 rn = "Performance6";
4026 // gen_op_dmtc0_performance7();
4027 rn = "Performance7";
4053 gen_op_mtc0_taglo();
4060 gen_op_mtc0_datalo();
4073 gen_op_mtc0_taghi();
4080 gen_op_mtc0_datahi();
4091 gen_op_dmtc0_errorepc();
4101 gen_op_mtc0_desave(); /* EJTAG support */
4107 /* Stop translation as we may have switched the execution mode */
4108 ctx->bstate = BS_STOP;
4113 #if defined MIPS_DEBUG_DISAS
4114 if (loglevel & CPU_LOG_TB_IN_ASM) {
4115 fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
4122 #if defined MIPS_DEBUG_DISAS
4123 if (loglevel & CPU_LOG_TB_IN_ASM) {
4124 fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
4128 generate_exception(ctx, EXCP_RI);
4130 #endif /* TARGET_MIPS64 */
4132 static void gen_cp0 (DisasContext *ctx, uint32_t opc, int rt, int rd)
4134 const char *opn = "unk";
4142 gen_mfc0(ctx, rd, ctx->opcode & 0x7);
4143 gen_op_store_T0_gpr(rt);
4147 GEN_LOAD_REG_TN(T0, rt);
4148 gen_mtc0(ctx, rd, ctx->opcode & 0x7);
4151 #ifdef TARGET_MIPS64
4157 gen_dmfc0(ctx, rd, ctx->opcode & 0x7);
4158 gen_op_store_T0_gpr(rt);
4162 GEN_LOAD_REG_TN(T0, rt);
4163 gen_dmtc0(ctx, rd, ctx->opcode & 0x7);
4167 #if defined(MIPS_USES_R4K_TLB)
4187 save_cpu_state(ctx, 0);
4189 ctx->bstate = BS_EXCP;
4193 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
4194 generate_exception(ctx, EXCP_RI);
4196 save_cpu_state(ctx, 0);
4198 ctx->bstate = BS_EXCP;
4203 /* If we get an exception, we want to restart at next instruction */
4205 save_cpu_state(ctx, 1);
4208 ctx->bstate = BS_EXCP;
4211 if (loglevel & CPU_LOG_TB_IN_ASM) {
4212 fprintf(logfile, "Invalid CP0 opcode: %08x %03x %03x %03x\n",
4213 ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
4214 ((ctx->opcode >> 16) & 0x1F));
4216 generate_exception(ctx, EXCP_RI);
4219 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
4222 /* CP1 Branches (before delay slot) */
4223 static void gen_compute_branch1 (DisasContext *ctx, uint32_t op,
4226 target_ulong btarget;
4228 btarget = ctx->pc + 4 + offset;
4233 MIPS_DEBUG("bc1f " TARGET_FMT_lx, btarget);
4237 MIPS_DEBUG("bc1fl " TARGET_FMT_lx, btarget);
4241 MIPS_DEBUG("bc1t " TARGET_FMT_lx, btarget);
4243 ctx->hflags |= MIPS_HFLAG_BC;
4247 MIPS_DEBUG("bc1tl " TARGET_FMT_lx, btarget);
4249 ctx->hflags |= MIPS_HFLAG_BL;
4252 MIPS_INVAL("cp1 branch/jump");
4253 generate_exception (ctx, EXCP_RI);
4258 MIPS_DEBUG("enter ds: cond %02x target " TARGET_FMT_lx,
4259 ctx->hflags, btarget);
4260 ctx->btarget = btarget;
4265 /* Coprocessor 1 (FPU) */
4266 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
4268 const char *opn = "unk";
4272 GEN_LOAD_FREG_FTN(WT0, fs);
4274 GEN_STORE_TN_REG(rt, T0);
4278 GEN_LOAD_REG_TN(T0, rt);
4280 GEN_STORE_FTN_FREG(fs, WT0);
4284 if (fs != 0 && fs != 31) {
4285 MIPS_INVAL("cfc1 freg");
4286 generate_exception (ctx, EXCP_RI);
4289 GEN_LOAD_IMM_TN(T1, fs);
4291 GEN_STORE_TN_REG(rt, T0);
4295 if (fs != 0 && fs != 31) {
4296 MIPS_INVAL("ctc1 freg");
4297 generate_exception (ctx, EXCP_RI);
4300 GEN_LOAD_IMM_TN(T1, fs);
4301 GEN_LOAD_REG_TN(T0, rt);
4307 /* Not implemented, fallthrough. */
4309 if (loglevel & CPU_LOG_TB_IN_ASM) {
4310 fprintf(logfile, "Invalid CP1 opcode: %08x %03x %03x %03x\n",
4311 ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
4312 ((ctx->opcode >> 16) & 0x1F));
4314 generate_exception (ctx, EXCP_RI);
4317 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
4320 /* verify if floating point register is valid; an operation is not defined
4321 * if bit 0 of any register specification is set and the FR bit in the
4322 * Status register equals zero, since the register numbers specify an
4323 * even-odd pair of adjacent coprocessor general registers. When the FR bit
4324 * in the Status register equals one, both even and odd register numbers
4325 * are valid. This limitation exists only for 64 bit wide (d,l) registers.
4327 * Multiple 64 bit wide registers can be checked by calling
4328 * CHECK_FR(ctx, freg1 | freg2 | ... | fregN);
4330 #define CHECK_FR(ctx, freg) do { \
4331 if (!((ctx)->CP0_Status & (1<<CP0St_FR)) && ((freg) & 1)) { \
4332 generate_exception (ctx, EXCP_RI); \
4337 #define FOP(func, fmt) (((fmt) << 21) | (func))
4339 static void gen_farith (DisasContext *ctx, uint32_t op1, int ft, int fs, int fd)
4341 const char *opn = "unk";
4342 const char *condnames[] = {
4361 uint32_t func = ctx->opcode & 0x3f;
4363 switch (ctx->opcode & FOP(0x3f, 0x1f)) {
4365 CHECK_FR(ctx, fs | ft | fd);
4366 GEN_LOAD_FREG_FTN(DT0, fs);
4367 GEN_LOAD_FREG_FTN(DT1, ft);
4368 gen_op_float_add_d();
4369 GEN_STORE_FTN_FREG(fd, DT2);
4374 CHECK_FR(ctx, fs | ft | fd);
4375 GEN_LOAD_FREG_FTN(DT0, fs);
4376 GEN_LOAD_FREG_FTN(DT1, ft);
4377 gen_op_float_sub_d();
4378 GEN_STORE_FTN_FREG(fd, DT2);
4383 CHECK_FR(ctx, fs | ft | fd);
4384 GEN_LOAD_FREG_FTN(DT0, fs);
4385 GEN_LOAD_FREG_FTN(DT1, ft);
4386 gen_op_float_mul_d();
4387 GEN_STORE_FTN_FREG(fd, DT2);
4392 CHECK_FR(ctx, fs | ft | fd);
4393 GEN_LOAD_FREG_FTN(DT0, fs);
4394 GEN_LOAD_FREG_FTN(DT1, ft);
4395 gen_op_float_div_d();
4396 GEN_STORE_FTN_FREG(fd, DT2);
4401 CHECK_FR(ctx, fs | fd);
4402 GEN_LOAD_FREG_FTN(DT0, fs);
4403 gen_op_float_sqrt_d();
4404 GEN_STORE_FTN_FREG(fd, DT2);
4408 CHECK_FR(ctx, fs | fd);
4409 GEN_LOAD_FREG_FTN(DT0, fs);
4410 gen_op_float_abs_d();
4411 GEN_STORE_FTN_FREG(fd, DT2);
4415 CHECK_FR(ctx, fs | fd);
4416 GEN_LOAD_FREG_FTN(DT0, fs);
4417 gen_op_float_mov_d();
4418 GEN_STORE_FTN_FREG(fd, DT2);
4422 CHECK_FR(ctx, fs | fd);
4423 GEN_LOAD_FREG_FTN(DT0, fs);
4424 gen_op_float_chs_d();
4425 GEN_STORE_FTN_FREG(fd, DT2);
4434 GEN_LOAD_FREG_FTN(DT0, fs);
4435 gen_op_float_roundw_d();
4436 GEN_STORE_FTN_FREG(fd, WT2);
4441 GEN_LOAD_FREG_FTN(DT0, fs);
4442 gen_op_float_truncw_d();
4443 GEN_STORE_FTN_FREG(fd, WT2);
4448 GEN_LOAD_FREG_FTN(DT0, fs);
4449 gen_op_float_ceilw_d();
4450 GEN_STORE_FTN_FREG(fd, WT2);
4455 GEN_LOAD_FREG_FTN(DT0, fs);
4456 gen_op_float_floorw_d();
4457 GEN_STORE_FTN_FREG(fd, WT2);
4462 GEN_LOAD_FREG_FTN(WT0, fs);
4463 gen_op_float_cvtd_s();
4464 GEN_STORE_FTN_FREG(fd, DT2);
4469 GEN_LOAD_FREG_FTN(WT0, fs);
4470 gen_op_float_cvtd_w();
4471 GEN_STORE_FTN_FREG(fd, DT2);
4490 CHECK_FR(ctx, fs | ft);
4491 GEN_LOAD_FREG_FTN(DT0, fs);
4492 GEN_LOAD_FREG_FTN(DT1, ft);
4494 opn = condnames[func-48];
4497 GEN_LOAD_FREG_FTN(WT0, fs);
4498 GEN_LOAD_FREG_FTN(WT1, ft);
4499 gen_op_float_add_s();
4500 GEN_STORE_FTN_FREG(fd, WT2);
4505 GEN_LOAD_FREG_FTN(WT0, fs);
4506 GEN_LOAD_FREG_FTN(WT1, ft);
4507 gen_op_float_sub_s();
4508 GEN_STORE_FTN_FREG(fd, WT2);
4513 GEN_LOAD_FREG_FTN(WT0, fs);
4514 GEN_LOAD_FREG_FTN(WT1, ft);
4515 gen_op_float_mul_s();
4516 GEN_STORE_FTN_FREG(fd, WT2);
4521 GEN_LOAD_FREG_FTN(WT0, fs);
4522 GEN_LOAD_FREG_FTN(WT1, ft);
4523 gen_op_float_div_s();
4524 GEN_STORE_FTN_FREG(fd, WT2);
4529 GEN_LOAD_FREG_FTN(WT0, fs);
4530 gen_op_float_sqrt_s();
4531 GEN_STORE_FTN_FREG(fd, WT2);
4535 GEN_LOAD_FREG_FTN(WT0, fs);
4536 gen_op_float_abs_s();
4537 GEN_STORE_FTN_FREG(fd, WT2);
4541 GEN_LOAD_FREG_FTN(WT0, fs);
4542 gen_op_float_mov_s();
4543 GEN_STORE_FTN_FREG(fd, WT2);
4547 GEN_LOAD_FREG_FTN(WT0, fs);
4548 gen_op_float_chs_s();
4549 GEN_STORE_FTN_FREG(fd, WT2);
4553 GEN_LOAD_FREG_FTN(WT0, fs);
4554 gen_op_float_roundw_s();
4555 GEN_STORE_FTN_FREG(fd, WT2);
4559 GEN_LOAD_FREG_FTN(WT0, fs);
4560 gen_op_float_truncw_s();
4561 GEN_STORE_FTN_FREG(fd, WT2);
4566 GEN_LOAD_FREG_FTN(DT0, fs);
4567 gen_op_float_cvts_d();
4568 GEN_STORE_FTN_FREG(fd, WT2);
4572 GEN_LOAD_FREG_FTN(WT0, fs);
4573 gen_op_float_cvts_w();
4574 GEN_STORE_FTN_FREG(fd, WT2);
4578 GEN_LOAD_FREG_FTN(WT0, fs);
4579 gen_op_float_cvtw_s();
4580 GEN_STORE_FTN_FREG(fd, WT2);
4585 GEN_LOAD_FREG_FTN(DT0, fs);
4586 gen_op_float_cvtw_d();
4587 GEN_STORE_FTN_FREG(fd, WT2);
4606 GEN_LOAD_FREG_FTN(WT0, fs);
4607 GEN_LOAD_FREG_FTN(WT1, ft);
4609 opn = condnames[func-48];
4612 if (loglevel & CPU_LOG_TB_IN_ASM) {
4613 fprintf(logfile, "Invalid FP arith function: %08x %03x %03x %03x\n",
4614 ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
4615 ((ctx->opcode >> 16) & 0x1F));
4617 generate_exception (ctx, EXCP_RI);
4621 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
4623 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
4626 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
4631 ccbit = 1 << (24 + cc);
4635 gen_op_movf(ccbit, rd, rs);
4637 gen_op_movt(ccbit, rd, rs);
4640 /* ISA extensions (ASEs) */
4641 /* MIPS16 extension to MIPS32 */
4642 /* SmartMIPS extension to MIPS32 */
4644 #ifdef TARGET_MIPS64
4645 /* Coprocessor 3 (FPU) */
4647 /* MDMX extension to MIPS64 */
4648 /* MIPS-3D extension to MIPS64 */
4652 static void gen_blikely(DisasContext *ctx)
4655 l1 = gen_new_label();
4657 gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK);
4658 gen_goto_tb(ctx, 1, ctx->pc + 4);
4662 static void decode_opc (CPUState *env, DisasContext *ctx)
4666 uint32_t op, op1, op2;
4669 /* make sure instructions are on a word boundary */
4670 if (ctx->pc & 0x3) {
4671 env->CP0_BadVAddr = ctx->pc;
4672 generate_exception(ctx, EXCP_AdEL);
4676 if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
4677 /* Handle blikely not taken case */
4678 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
4681 op = MASK_OP_MAJOR(ctx->opcode);
4682 rs = (ctx->opcode >> 21) & 0x1f;
4683 rt = (ctx->opcode >> 16) & 0x1f;
4684 rd = (ctx->opcode >> 11) & 0x1f;
4685 sa = (ctx->opcode >> 6) & 0x1f;
4686 imm = (int16_t)ctx->opcode;
4689 op1 = MASK_SPECIAL(ctx->opcode);
4691 case OPC_SLL: /* Arithmetic with immediate */
4692 case OPC_SRL ... OPC_SRA:
4693 gen_arith_imm(ctx, op1, rd, rt, sa);
4695 case OPC_SLLV: /* Arithmetic */
4696 case OPC_SRLV ... OPC_SRAV:
4697 case OPC_MOVZ ... OPC_MOVN:
4698 case OPC_ADD ... OPC_NOR:
4699 case OPC_SLT ... OPC_SLTU:
4700 gen_arith(ctx, op1, rd, rs, rt);
4702 case OPC_MULT ... OPC_DIVU:
4703 gen_muldiv(ctx, op1, rs, rt);
4705 case OPC_JR ... OPC_JALR:
4706 gen_compute_branch(ctx, op1, rs, rd, sa);
4708 case OPC_TGE ... OPC_TEQ: /* Traps */
4710 gen_trap(ctx, op1, rs, rt, -1);
4712 case OPC_MFHI: /* Move from HI/LO */
4714 gen_HILO(ctx, op1, rd);
4717 case OPC_MTLO: /* Move to HI/LO */
4718 gen_HILO(ctx, op1, rs);
4720 case OPC_PMON: /* Pmon entry point, also R4010 selsl */
4721 #ifdef MIPS_STRICT_STANDARD
4722 MIPS_INVAL("PMON / selsl");
4723 generate_exception(ctx, EXCP_RI);
4729 generate_exception(ctx, EXCP_SYSCALL);
4732 generate_exception(ctx, EXCP_BREAK);
4735 #ifdef MIPS_STRICT_STANDARD
4737 generate_exception(ctx, EXCP_RI);
4739 /* Implemented as RI exception for now. */
4740 MIPS_INVAL("spim (unofficial)");
4741 generate_exception(ctx, EXCP_RI);
4745 /* Treat as a noop. */
4749 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
4750 save_cpu_state(ctx, 1);
4751 gen_op_cp1_enabled();
4752 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
4753 (ctx->opcode >> 16) & 1);
4755 generate_exception_err(ctx, EXCP_CpU, 1);
4759 #ifdef TARGET_MIPS64
4760 /* MIPS64 specific opcodes */
4762 case OPC_DSRL ... OPC_DSRA:
4764 case OPC_DSRL32 ... OPC_DSRA32:
4765 gen_arith_imm(ctx, op1, rd, rt, sa);
4768 case OPC_DSRLV ... OPC_DSRAV:
4769 case OPC_DADD ... OPC_DSUBU:
4770 gen_arith(ctx, op1, rd, rs, rt);
4772 case OPC_DMULT ... OPC_DDIVU:
4773 gen_muldiv(ctx, op1, rs, rt);
4776 default: /* Invalid */
4777 MIPS_INVAL("special");
4778 generate_exception(ctx, EXCP_RI);
4783 op1 = MASK_SPECIAL2(ctx->opcode);
4785 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
4786 case OPC_MSUB ... OPC_MSUBU:
4787 gen_muldiv(ctx, op1, rs, rt);
4790 gen_arith(ctx, op1, rd, rs, rt);
4792 case OPC_CLZ ... OPC_CLO:
4793 gen_cl(ctx, op1, rd, rs);
4796 /* XXX: not clear which exception should be raised
4797 * when in debug mode...
4799 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
4800 generate_exception(ctx, EXCP_DBp);
4802 generate_exception(ctx, EXCP_DBp);
4804 /* Treat as a noop */
4806 #ifdef TARGET_MIPS64
4807 case OPC_DCLZ ... OPC_DCLO:
4808 gen_cl(ctx, op1, rd, rs);
4811 default: /* Invalid */
4812 MIPS_INVAL("special2");
4813 generate_exception(ctx, EXCP_RI);
4818 op1 = MASK_SPECIAL3(ctx->opcode);
4822 gen_bitops(ctx, op1, rt, rs, sa, rd);
4825 op2 = MASK_BSHFL(ctx->opcode);
4828 GEN_LOAD_REG_TN(T1, rt);
4832 GEN_LOAD_REG_TN(T1, rt);
4836 GEN_LOAD_REG_TN(T1, rt);
4839 default: /* Invalid */
4840 MIPS_INVAL("bshfl");
4841 generate_exception(ctx, EXCP_RI);
4844 GEN_STORE_TN_REG(rd, T0);
4849 save_cpu_state(ctx, 1);
4850 gen_op_rdhwr_cpunum();
4853 save_cpu_state(ctx, 1);
4854 gen_op_rdhwr_synci_step();
4857 save_cpu_state(ctx, 1);
4861 save_cpu_state(ctx, 1);
4862 gen_op_rdhwr_ccres();
4865 #if defined (CONFIG_USER_ONLY)
4866 gen_op_tls_value ();
4869 default: /* Invalid */
4870 MIPS_INVAL("rdhwr");
4871 generate_exception(ctx, EXCP_RI);
4874 GEN_STORE_TN_REG(rt, T0);
4876 #ifdef TARGET_MIPS64
4877 case OPC_DEXTM ... OPC_DEXT:
4878 case OPC_DINSM ... OPC_DINS:
4879 gen_bitops(ctx, op1, rt, rs, sa, rd);
4882 op2 = MASK_DBSHFL(ctx->opcode);
4885 GEN_LOAD_REG_TN(T1, rt);
4889 GEN_LOAD_REG_TN(T1, rt);
4892 default: /* Invalid */
4893 MIPS_INVAL("dbshfl");
4894 generate_exception(ctx, EXCP_RI);
4897 GEN_STORE_TN_REG(rd, T0);
4899 default: /* Invalid */
4900 MIPS_INVAL("special3");
4901 generate_exception(ctx, EXCP_RI);
4906 op1 = MASK_REGIMM(ctx->opcode);
4908 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
4909 case OPC_BLTZAL ... OPC_BGEZALL:
4910 gen_compute_branch(ctx, op1, rs, -1, imm << 2);
4912 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
4914 gen_trap(ctx, op1, rs, -1, imm);
4919 default: /* Invalid */
4920 MIPS_INVAL("REGIMM");
4921 generate_exception(ctx, EXCP_RI);
4926 save_cpu_state(ctx, 1);
4927 gen_op_cp0_enabled();
4928 op1 = MASK_CP0(ctx->opcode);
4932 #ifdef TARGET_MIPS64
4936 gen_cp0(ctx, op1, rt, rd);
4938 case OPC_C0_FIRST ... OPC_C0_LAST:
4939 gen_cp0(ctx, MASK_C0(ctx->opcode), rt, rd);
4942 op2 = MASK_MFMC0(ctx->opcode);
4946 /* Stop translation as we may have switched the execution mode */
4947 ctx->bstate = BS_STOP;
4951 /* Stop translation as we may have switched the execution mode */
4952 ctx->bstate = BS_STOP;
4954 default: /* Invalid */
4955 MIPS_INVAL("MFMC0");
4956 generate_exception(ctx, EXCP_RI);
4959 GEN_STORE_TN_REG(rt, T0);
4963 if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR)) {
4964 /* Shadow registers not implemented. */
4965 GEN_LOAD_REG_TN(T0, rt);
4966 GEN_STORE_TN_REG(rd, T0);
4968 generate_exception(ctx, EXCP_RI);
4971 generate_exception(ctx, EXCP_RI);
4975 case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */
4976 gen_arith_imm(ctx, op, rt, rs, imm);
4978 case OPC_J ... OPC_JAL: /* Jump */
4979 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
4980 gen_compute_branch(ctx, op, rs, rt, offset);
4982 case OPC_BEQ ... OPC_BGTZ: /* Branch */
4983 case OPC_BEQL ... OPC_BGTZL:
4984 gen_compute_branch(ctx, op, rs, rt, imm << 2);
4986 case OPC_LB ... OPC_LWR: /* Load and stores */
4987 case OPC_SB ... OPC_SW:
4991 gen_ldst(ctx, op, rt, rs, imm);
4994 /* Treat as a noop */
4997 /* Treat as a noop */
5000 /* Floating point. */
5005 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5006 save_cpu_state(ctx, 1);
5007 gen_op_cp1_enabled();
5008 gen_flt_ldst(ctx, op, rt, rs, imm);
5010 generate_exception_err(ctx, EXCP_CpU, 1);
5015 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5016 save_cpu_state(ctx, 1);
5017 gen_op_cp1_enabled();
5018 op1 = MASK_CP1(ctx->opcode);
5024 #ifdef TARGET_MIPS64
5028 gen_cp1(ctx, op1, rt, rd);
5031 gen_compute_branch1(ctx, MASK_CP1_BCOND(ctx->opcode), imm << 2);
5037 gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa);
5040 generate_exception (ctx, EXCP_RI);
5044 generate_exception_err(ctx, EXCP_CpU, 1);
5054 /* COP2: Not implemented. */
5055 generate_exception_err(ctx, EXCP_CpU, 2);
5059 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5060 save_cpu_state(ctx, 1);
5061 gen_op_cp1_enabled();
5062 op1 = MASK_CP3(ctx->opcode);
5067 /* Not implemented */
5069 generate_exception (ctx, EXCP_RI);
5073 generate_exception_err(ctx, EXCP_CpU, 1);
5077 #ifdef TARGET_MIPS64
5078 /* MIPS64 opcodes */
5080 case OPC_LDL ... OPC_LDR:
5081 case OPC_SDL ... OPC_SDR:
5086 gen_ldst(ctx, op, rt, rs, imm);
5088 case OPC_DADDI ... OPC_DADDIU:
5089 gen_arith_imm(ctx, op, rt, rs, imm);
5092 #ifdef MIPS_HAS_MIPS16
5094 /* MIPS16: Not implemented. */
5096 #ifdef MIPS_HAS_MDMX
5098 /* MDMX: Not implemented. */
5100 default: /* Invalid */
5102 generate_exception(ctx, EXCP_RI);
5105 if (ctx->hflags & MIPS_HFLAG_BMASK) {
5106 int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
5107 /* Branches completion */
5108 ctx->hflags &= ~MIPS_HFLAG_BMASK;
5109 ctx->bstate = BS_BRANCH;
5110 save_cpu_state(ctx, 0);
5111 switch (hflags & MIPS_HFLAG_BMASK) {
5113 /* unconditional branch */
5114 MIPS_DEBUG("unconditional branch");
5115 gen_goto_tb(ctx, 0, ctx->btarget);
5118 /* blikely taken case */
5119 MIPS_DEBUG("blikely branch taken");
5120 gen_goto_tb(ctx, 0, ctx->btarget);
5123 /* Conditional branch */
5124 MIPS_DEBUG("conditional branch");
5127 l1 = gen_new_label();
5129 gen_goto_tb(ctx, 1, ctx->pc + 4);
5131 gen_goto_tb(ctx, 0, ctx->btarget);
5135 /* unconditional branch to register */
5136 MIPS_DEBUG("branch to register");
5140 MIPS_DEBUG("unknown branch");
5147 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
5150 DisasContext ctx, *ctxp = &ctx;
5151 target_ulong pc_start;
5152 uint16_t *gen_opc_end;
5155 if (search_pc && loglevel)
5156 fprintf (logfile, "search pc %d\n", search_pc);
5159 gen_opc_ptr = gen_opc_buf;
5160 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
5161 gen_opparam_ptr = gen_opparam_buf;
5166 ctx.bstate = BS_NONE;
5167 /* Restore delay slot state from the tb context. */
5168 ctx.hflags = tb->flags;
5169 ctx.saved_hflags = ctx.hflags;
5170 if (ctx.hflags & MIPS_HFLAG_BR) {
5171 gen_op_restore_breg_target();
5172 } else if (ctx.hflags & MIPS_HFLAG_B) {
5173 ctx.btarget = env->btarget;
5174 } else if (ctx.hflags & MIPS_HFLAG_BMASK) {
5175 /* If we are in the delay slot of a conditional branch,
5176 * restore the branch condition from env->bcond to T2
5178 ctx.btarget = env->btarget;
5179 gen_op_restore_bcond();
5181 #if defined(CONFIG_USER_ONLY)
5184 ctx.mem_idx = !((ctx.hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM);
5186 ctx.CP0_Status = env->CP0_Status;
5188 if (loglevel & CPU_LOG_TB_CPU) {
5189 fprintf(logfile, "------------------------------------------------\n");
5190 /* FIXME: This may print out stale hflags from env... */
5191 cpu_dump_state(env, logfile, fprintf, 0);
5194 #if defined MIPS_DEBUG_DISAS
5195 if (loglevel & CPU_LOG_TB_IN_ASM)
5196 fprintf(logfile, "\ntb %p super %d cond %04x\n",
5197 tb, ctx.mem_idx, ctx.hflags);
5199 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
5200 if (env->nb_breakpoints > 0) {
5201 for(j = 0; j < env->nb_breakpoints; j++) {
5202 if (env->breakpoints[j] == ctx.pc) {
5203 save_cpu_state(ctxp, 1);
5204 ctx.bstate = BS_BRANCH;
5206 goto done_generating;
5212 j = gen_opc_ptr - gen_opc_buf;
5216 gen_opc_instr_start[lj++] = 0;
5218 gen_opc_pc[lj] = ctx.pc;
5219 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
5220 gen_opc_instr_start[lj] = 1;
5222 ctx.opcode = ldl_code(ctx.pc);
5223 decode_opc(env, &ctx);
5226 if (env->singlestep_enabled)
5229 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
5232 #if defined (MIPS_SINGLE_STEP)
5236 if (env->singlestep_enabled) {
5237 save_cpu_state(ctxp, ctx.bstate == BS_NONE);
5240 switch (ctx.bstate) {
5242 gen_op_interrupt_restart();
5244 /* Generate the return instruction. */
5248 gen_op_interrupt_restart();
5251 save_cpu_state(ctxp, 0);
5252 gen_goto_tb(&ctx, 0, ctx.pc);
5257 /* Generate the return instruction. */
5263 *gen_opc_ptr = INDEX_op_end;
5265 j = gen_opc_ptr - gen_opc_buf;
5268 gen_opc_instr_start[lj++] = 0;
5271 tb->size = ctx.pc - pc_start;
5274 #if defined MIPS_DEBUG_DISAS
5275 if (loglevel & CPU_LOG_TB_IN_ASM)
5276 fprintf(logfile, "\n");
5278 if (loglevel & CPU_LOG_TB_IN_ASM) {
5279 fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
5280 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
5281 fprintf(logfile, "\n");
5283 if (loglevel & CPU_LOG_TB_OP) {
5284 fprintf(logfile, "OP:\n");
5285 dump_ops(gen_opc_buf, gen_opparam_buf);
5286 fprintf(logfile, "\n");
5288 if (loglevel & CPU_LOG_TB_CPU) {
5289 fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
5296 int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
5298 return gen_intermediate_code_internal(env, tb, 0);
5301 int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
5303 return gen_intermediate_code_internal(env, tb, 1);
5306 void fpu_dump_state(CPUState *env, FILE *f,
5307 int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
5312 # define printfpr(fp) do { \
5313 fpu_fprintf(f, "w:%08x d:%08lx%08lx fd:%g fs:%g\n", \
5314 (fp)->w[FP_ENDIAN_IDX], (fp)->w[0], (fp)->w[1], (fp)->fd, (fp)->fs[FP_ENDIAN_IDX]); \
5317 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d\n",
5318 env->fcr0, env->fcr31,
5319 (env->CP0_Status & (1 << CP0St_FR)) != 0);
5320 fpu_fprintf(f, "FT0: "); printfpr(&env->ft0);
5321 fpu_fprintf(f, "FT1: "); printfpr(&env->ft1);
5322 fpu_fprintf(f, "FT2: "); printfpr(&env->ft2);
5323 for(i = 0; i < 32; i += 2) {
5324 fpu_fprintf(f, "%s: ", fregnames[i]);
5325 printfpr(FPR(env, i));
5331 void dump_fpu (CPUState *env)
5334 fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
5335 env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
5336 fpu_dump_state(env, logfile, fprintf, 0);
5340 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
5341 /* Debug help: The architecture requires 32bit code to maintain proper
5342 sign-extened values on 64bit machines. */
5344 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
5346 void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
5347 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
5352 if (!SIGN_EXT_P(env->PC))
5353 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC);
5354 if (!SIGN_EXT_P(env->HI))
5355 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI);
5356 if (!SIGN_EXT_P(env->LO))
5357 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO);
5358 if (!SIGN_EXT_P(env->btarget))
5359 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
5361 for (i = 0; i < 32; i++) {
5362 if (!SIGN_EXT_P(env->gpr[i]))
5363 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[i]);
5366 if (!SIGN_EXT_P(env->CP0_EPC))
5367 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
5368 if (!SIGN_EXT_P(env->CP0_LLAddr))
5369 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr);
5373 void cpu_dump_state (CPUState *env, FILE *f,
5374 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
5380 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",
5381 env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
5382 for (i = 0; i < 32; i++) {
5384 cpu_fprintf(f, "GPR%02d:", i);
5385 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[i]);
5387 cpu_fprintf(f, "\n");
5390 c0_status = env->CP0_Status;
5392 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
5393 c0_status, env->CP0_Cause, env->CP0_EPC);
5394 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
5395 env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
5396 if (c0_status & (1 << CP0St_CU1))
5397 fpu_dump_state(env, f, cpu_fprintf, flags);
5398 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
5399 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
5403 CPUMIPSState *cpu_mips_init (void)
5407 env = qemu_mallocz(sizeof(CPUMIPSState));
5415 void cpu_reset (CPUMIPSState *env)
5417 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
5422 #if !defined(CONFIG_USER_ONLY)
5423 if (env->hflags & MIPS_HFLAG_BMASK) {
5424 /* If the exception was raised from a delay slot,
5425 * come back to the jump. */
5426 env->CP0_ErrorEPC = env->PC - 4;
5427 env->hflags &= ~MIPS_HFLAG_BMASK;
5429 env->CP0_ErrorEPC = env->PC;
5432 env->PC = (int32_t)0xBFC00000;
5434 /* SMP not implemented */
5435 env->CP0_EBase = 0x80000000;
5436 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
5437 /* vectored interrupts not implemented, timer on int 7,
5438 no performance counters. */
5439 env->CP0_IntCtl = 0xe0000000;
5440 env->CP0_WatchLo = 0;
5441 env->CP0_WatchHi = 0;
5442 /* Count register increments in debug mode, EJTAG version 1 */
5443 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
5445 env->exception_index = EXCP_NONE;
5446 #if defined(CONFIG_USER_ONLY)
5447 env->hflags |= MIPS_HFLAG_UM;
5448 env->user_mode_only = 1;
5452 #include "translate_init.c"