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_MFHC1 = (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_MTHC1 = (0x07 << 21) | OPC_CP1,
341 OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
342 OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
343 OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
344 OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */
345 OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */
346 OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */
347 OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */
348 OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */
349 OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */
350 OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */
353 #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
354 #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
357 OPC_BC1F = (0x00 << 16) | OPC_BC1,
358 OPC_BC1T = (0x01 << 16) | OPC_BC1,
359 OPC_BC1FL = (0x02 << 16) | OPC_BC1,
360 OPC_BC1TL = (0x03 << 16) | OPC_BC1,
364 OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
365 OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
369 OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
370 OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
373 #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
376 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
377 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
378 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
379 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
380 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
381 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
382 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
383 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
384 OPC_BC2 = (0x08 << 21) | OPC_CP2,
387 #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
390 OPC_LWXC1 = 0x00 | OPC_CP3,
391 OPC_LDXC1 = 0x01 | OPC_CP3,
392 OPC_LUXC1 = 0x05 | OPC_CP3,
393 OPC_SWXC1 = 0x08 | OPC_CP3,
394 OPC_SDXC1 = 0x09 | OPC_CP3,
395 OPC_SUXC1 = 0x0D | OPC_CP3,
396 OPC_PREFX = 0x0F | OPC_CP3,
397 OPC_ALNV_PS = 0x1E | OPC_CP3,
398 OPC_MADD_S = 0x20 | OPC_CP3,
399 OPC_MADD_D = 0x21 | OPC_CP3,
400 OPC_MADD_PS = 0x26 | OPC_CP3,
401 OPC_MSUB_S = 0x28 | OPC_CP3,
402 OPC_MSUB_D = 0x29 | OPC_CP3,
403 OPC_MSUB_PS = 0x2E | OPC_CP3,
404 OPC_NMADD_S = 0x30 | OPC_CP3,
405 OPC_NMADD_D = 0x31 | OPC_CP3,
406 OPC_NMADD_PS= 0x36 | OPC_CP3,
407 OPC_NMSUB_S = 0x38 | OPC_CP3,
408 OPC_NMSUB_D = 0x39 | OPC_CP3,
409 OPC_NMSUB_PS= 0x3E | OPC_CP3,
413 const unsigned char *regnames[] =
414 { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
415 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
416 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
417 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
419 /* Warning: no function for r0 register (hard wired to zero) */
420 #define GEN32(func, NAME) \
421 static GenOpFunc *NAME ## _table [32] = { \
422 NULL, NAME ## 1, NAME ## 2, NAME ## 3, \
423 NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
424 NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
425 NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
426 NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \
427 NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \
428 NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \
429 NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \
431 static inline void func(int n) \
433 NAME ## _table[n](); \
436 /* General purpose registers moves */
437 GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr);
438 GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr);
439 GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr);
441 GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr);
442 GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr);
444 static const char *fregnames[] =
445 { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
446 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
447 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
448 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
450 #define FGEN32(func, NAME) \
451 static GenOpFunc *NAME ## _table [32] = { \
452 NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \
453 NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
454 NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
455 NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
456 NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \
457 NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \
458 NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \
459 NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \
461 static inline void func(int n) \
463 NAME ## _table[n](); \
466 FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr);
467 FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr);
469 FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr);
470 FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr);
472 FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr);
473 FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr);
475 FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr);
476 FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr);
478 FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr);
479 FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr);
481 FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr);
482 FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr);
484 FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr);
485 FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr);
487 FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr);
488 FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr);
490 FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr);
491 FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr);
493 #define FOP_CONDS(type, fmt) \
494 static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \
495 gen_op_cmp ## type ## _ ## fmt ## _f, \
496 gen_op_cmp ## type ## _ ## fmt ## _un, \
497 gen_op_cmp ## type ## _ ## fmt ## _eq, \
498 gen_op_cmp ## type ## _ ## fmt ## _ueq, \
499 gen_op_cmp ## type ## _ ## fmt ## _olt, \
500 gen_op_cmp ## type ## _ ## fmt ## _ult, \
501 gen_op_cmp ## type ## _ ## fmt ## _ole, \
502 gen_op_cmp ## type ## _ ## fmt ## _ule, \
503 gen_op_cmp ## type ## _ ## fmt ## _sf, \
504 gen_op_cmp ## type ## _ ## fmt ## _ngle, \
505 gen_op_cmp ## type ## _ ## fmt ## _seq, \
506 gen_op_cmp ## type ## _ ## fmt ## _ngl, \
507 gen_op_cmp ## type ## _ ## fmt ## _lt, \
508 gen_op_cmp ## type ## _ ## fmt ## _nge, \
509 gen_op_cmp ## type ## _ ## fmt ## _le, \
510 gen_op_cmp ## type ## _ ## fmt ## _ngt, \
512 static inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \
514 gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \
524 typedef struct DisasContext {
525 struct TranslationBlock *tb;
526 target_ulong pc, saved_pc;
529 /* Routine used to access memory */
531 uint32_t hflags, saved_hflags;
533 target_ulong btarget;
537 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
538 * exception condition
540 BS_STOP = 1, /* We want to stop translation for any reason */
541 BS_BRANCH = 2, /* We reached a branch condition */
542 BS_EXCP = 3, /* We reached an exception condition */
545 #ifdef MIPS_DEBUG_DISAS
546 #define MIPS_DEBUG(fmt, args...) \
548 if (loglevel & CPU_LOG_TB_IN_ASM) { \
549 fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \
550 ctx->pc, ctx->opcode , ##args); \
554 #define MIPS_DEBUG(fmt, args...) do { } while(0)
557 #define MIPS_INVAL(op) \
559 MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
560 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
563 #define GEN_LOAD_REG_TN(Tn, Rn) \
566 glue(gen_op_reset_, Tn)(); \
568 glue(gen_op_load_gpr_, Tn)(Rn); \
573 #define GEN_LOAD_IMM_TN(Tn, Imm) \
576 glue(gen_op_reset_, Tn)(); \
577 } else if ((int32_t)Imm == Imm) { \
578 glue(gen_op_set_, Tn)(Imm); \
580 glue(gen_op_set64_, Tn)(((uint64_t)Imm) >> 32, (uint32_t)Imm); \
584 #define GEN_LOAD_IMM_TN(Tn, Imm) \
587 glue(gen_op_reset_, Tn)(); \
589 glue(gen_op_set_, Tn)(Imm); \
594 #define GEN_STORE_TN_REG(Rn, Tn) \
597 glue(glue(gen_op_store_, Tn),_gpr)(Rn); \
601 #define GEN_LOAD_FREG_FTN(FTn, Fn) \
603 glue(gen_op_load_fpr_, FTn)(Fn); \
606 #define GEN_STORE_FTN_FREG(Fn, FTn) \
608 glue(gen_op_store_fpr_, FTn)(Fn); \
611 static inline void gen_save_pc(target_ulong pc)
614 if (pc == (int32_t)pc) {
617 gen_op_save_pc64(pc >> 32, (uint32_t)pc);
624 static inline void gen_save_btarget(target_ulong btarget)
627 if (btarget == (int32_t)btarget) {
628 gen_op_save_btarget(btarget);
630 gen_op_save_btarget64(btarget >> 32, (uint32_t)btarget);
633 gen_op_save_btarget(btarget);
637 static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
639 #if defined MIPS_DEBUG_DISAS
640 if (loglevel & CPU_LOG_TB_IN_ASM) {
641 fprintf(logfile, "hflags %08x saved %08x\n",
642 ctx->hflags, ctx->saved_hflags);
645 if (do_save_pc && ctx->pc != ctx->saved_pc) {
646 gen_save_pc(ctx->pc);
647 ctx->saved_pc = ctx->pc;
649 if (ctx->hflags != ctx->saved_hflags) {
650 gen_op_save_state(ctx->hflags);
651 ctx->saved_hflags = ctx->hflags;
652 switch (ctx->hflags & MIPS_HFLAG_BMASK) {
654 gen_op_save_breg_target();
660 /* bcond was already saved by the BL insn */
663 gen_save_btarget(ctx->btarget);
669 static inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
671 ctx->saved_hflags = ctx->hflags;
672 switch (ctx->hflags & MIPS_HFLAG_BMASK) {
674 gen_op_restore_breg_target();
677 ctx->btarget = env->btarget;
681 ctx->btarget = env->btarget;
682 gen_op_restore_bcond();
687 static inline void generate_exception_err (DisasContext *ctx, int excp, int err)
689 #if defined MIPS_DEBUG_DISAS
690 if (loglevel & CPU_LOG_TB_IN_ASM)
691 fprintf(logfile, "%s: raise exception %d\n", __func__, excp);
693 save_cpu_state(ctx, 1);
695 gen_op_raise_exception(excp);
697 gen_op_raise_exception_err(excp, err);
698 ctx->bstate = BS_EXCP;
701 static inline void generate_exception (DisasContext *ctx, int excp)
703 generate_exception_err (ctx, excp, 0);
706 static inline void check_cp1_enabled(DisasContext *ctx)
708 if (!(ctx->hflags & MIPS_HFLAG_FPU))
709 generate_exception_err(ctx, EXCP_CpU, 1);
712 static inline void check_cp1_64bitmode(DisasContext *ctx)
714 if (!(ctx->hflags & MIPS_HFLAG_F64))
715 generate_exception(ctx, EXCP_RI);
719 * Verify if floating point register is valid; an operation is not defined
720 * if bit 0 of any register specification is set and the FR bit in the
721 * Status register equals zero, since the register numbers specify an
722 * even-odd pair of adjacent coprocessor general registers. When the FR bit
723 * in the Status register equals one, both even and odd register numbers
724 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
726 * Multiple 64 bit wide registers can be checked by calling
727 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
729 void check_cp1_registers(DisasContext *ctx, int regs)
731 if (!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))
732 generate_exception(ctx, EXCP_RI);
735 /* This code generates a "reserved instruction" exception if the
736 CPU is not a MIPS R2 (or higher) CPU. */
737 static inline void check_mips_r2(CPUState *env, DisasContext *ctx)
739 if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) < (1 << CP0C0_AR))
740 generate_exception(ctx, EXCP_RI);
743 #if defined(CONFIG_USER_ONLY)
744 #define op_ldst(name) gen_op_##name##_raw()
745 #define OP_LD_TABLE(width)
746 #define OP_ST_TABLE(width)
748 #define op_ldst(name) (*gen_op_##name[ctx->mem_idx])()
749 #define OP_LD_TABLE(width) \
750 static GenOpFunc *gen_op_l##width[] = { \
751 &gen_op_l##width##_user, \
752 &gen_op_l##width##_kernel, \
754 #define OP_ST_TABLE(width) \
755 static GenOpFunc *gen_op_s##width[] = { \
756 &gen_op_s##width##_user, \
757 &gen_op_s##width##_kernel, \
794 static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
795 int base, int16_t offset)
797 const char *opn = "ldst";
800 GEN_LOAD_IMM_TN(T0, offset);
801 } else if (offset == 0) {
802 gen_op_load_gpr_T0(base);
804 gen_op_load_gpr_T0(base);
805 gen_op_set_T1(offset);
808 /* Don't do NOP if destination is zero: we must perform the actual
815 GEN_STORE_TN_REG(rt, T0);
820 GEN_STORE_TN_REG(rt, T0);
825 GEN_STORE_TN_REG(rt, T0);
829 GEN_LOAD_REG_TN(T1, rt);
834 save_cpu_state(ctx, 1);
835 GEN_LOAD_REG_TN(T1, rt);
837 GEN_STORE_TN_REG(rt, T0);
841 GEN_LOAD_REG_TN(T1, rt);
843 GEN_STORE_TN_REG(rt, T0);
847 GEN_LOAD_REG_TN(T1, rt);
852 GEN_LOAD_REG_TN(T1, rt);
854 GEN_STORE_TN_REG(rt, T0);
858 GEN_LOAD_REG_TN(T1, rt);
865 GEN_STORE_TN_REG(rt, T0);
869 GEN_LOAD_REG_TN(T1, rt);
875 GEN_STORE_TN_REG(rt, T0);
879 GEN_LOAD_REG_TN(T1, rt);
885 GEN_STORE_TN_REG(rt, T0);
890 GEN_STORE_TN_REG(rt, T0);
894 GEN_LOAD_REG_TN(T1, rt);
900 GEN_STORE_TN_REG(rt, T0);
904 GEN_LOAD_REG_TN(T1, rt);
906 GEN_STORE_TN_REG(rt, T0);
910 GEN_LOAD_REG_TN(T1, rt);
915 GEN_LOAD_REG_TN(T1, rt);
917 GEN_STORE_TN_REG(rt, T0);
921 GEN_LOAD_REG_TN(T1, rt);
927 GEN_STORE_TN_REG(rt, T0);
931 save_cpu_state(ctx, 1);
932 GEN_LOAD_REG_TN(T1, rt);
934 GEN_STORE_TN_REG(rt, T0);
939 generate_exception(ctx, EXCP_RI);
942 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
946 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
947 int base, int16_t offset)
949 const char *opn = "flt_ldst";
952 GEN_LOAD_IMM_TN(T0, offset);
953 } else if (offset == 0) {
954 gen_op_load_gpr_T0(base);
956 gen_op_load_gpr_T0(base);
957 gen_op_set_T1(offset);
960 /* Don't do NOP if destination is zero: we must perform the actual
966 GEN_STORE_FTN_FREG(ft, WT0);
970 GEN_LOAD_FREG_FTN(WT0, ft);
976 GEN_STORE_FTN_FREG(ft, DT0);
980 GEN_LOAD_FREG_FTN(DT0, ft);
986 generate_exception(ctx, EXCP_RI);
989 MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
992 /* Arithmetic with immediate operand */
993 static void gen_arith_imm (DisasContext *ctx, uint32_t opc, int rt,
997 const char *opn = "imm arith";
999 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
1000 /* if no destination, treat it as a NOP
1001 * For addi, we must generate the overflow exception when needed.
1006 uimm = (uint16_t)imm;
1010 #ifdef TARGET_MIPS64
1016 uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1021 GEN_LOAD_REG_TN(T0, rs);
1022 GEN_LOAD_IMM_TN(T1, uimm);
1025 GEN_LOAD_IMM_TN(T0, imm << 16);
1030 #ifdef TARGET_MIPS64
1039 GEN_LOAD_REG_TN(T0, rs);
1040 GEN_LOAD_IMM_TN(T1, uimm);
1045 save_cpu_state(ctx, 1);
1053 #ifdef TARGET_MIPS64
1055 save_cpu_state(ctx, 1);
1096 switch ((ctx->opcode >> 21) & 0x1f) {
1106 MIPS_INVAL("invalid srl flag");
1107 generate_exception(ctx, EXCP_RI);
1111 #ifdef TARGET_MIPS64
1121 switch ((ctx->opcode >> 21) & 0x1f) {
1131 MIPS_INVAL("invalid dsrl flag");
1132 generate_exception(ctx, EXCP_RI);
1145 switch ((ctx->opcode >> 21) & 0x1f) {
1155 MIPS_INVAL("invalid dsrl32 flag");
1156 generate_exception(ctx, EXCP_RI);
1163 generate_exception(ctx, EXCP_RI);
1166 GEN_STORE_TN_REG(rt, T0);
1167 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1171 static void gen_arith (DisasContext *ctx, uint32_t opc,
1172 int rd, int rs, int rt)
1174 const char *opn = "arith";
1176 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
1177 && opc != OPC_DADD && opc != OPC_DSUB) {
1178 /* if no destination, treat it as a NOP
1179 * For add & sub, we must generate the overflow exception when needed.
1184 GEN_LOAD_REG_TN(T0, rs);
1185 GEN_LOAD_REG_TN(T1, rt);
1188 save_cpu_state(ctx, 1);
1197 save_cpu_state(ctx, 1);
1205 #ifdef TARGET_MIPS64
1207 save_cpu_state(ctx, 1);
1216 save_cpu_state(ctx, 1);
1270 switch ((ctx->opcode >> 6) & 0x1f) {
1280 MIPS_INVAL("invalid srlv flag");
1281 generate_exception(ctx, EXCP_RI);
1285 #ifdef TARGET_MIPS64
1295 switch ((ctx->opcode >> 6) & 0x1f) {
1305 MIPS_INVAL("invalid dsrlv flag");
1306 generate_exception(ctx, EXCP_RI);
1313 generate_exception(ctx, EXCP_RI);
1316 GEN_STORE_TN_REG(rd, T0);
1318 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1321 /* Arithmetic on HI/LO registers */
1322 static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
1324 const char *opn = "hilo";
1326 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
1327 /* Treat as a NOP */
1334 GEN_STORE_TN_REG(reg, T0);
1339 GEN_STORE_TN_REG(reg, T0);
1343 GEN_LOAD_REG_TN(T0, reg);
1348 GEN_LOAD_REG_TN(T0, reg);
1354 generate_exception(ctx, EXCP_RI);
1357 MIPS_DEBUG("%s %s", opn, regnames[reg]);
1360 static void gen_muldiv (DisasContext *ctx, uint32_t opc,
1363 const char *opn = "mul/div";
1365 GEN_LOAD_REG_TN(T0, rs);
1366 GEN_LOAD_REG_TN(T1, rt);
1384 #ifdef TARGET_MIPS64
1420 generate_exception(ctx, EXCP_RI);
1423 MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
1426 static void gen_cl (DisasContext *ctx, uint32_t opc,
1429 const char *opn = "CLx";
1431 /* Treat as a NOP */
1435 GEN_LOAD_REG_TN(T0, rs);
1445 #ifdef TARGET_MIPS64
1457 generate_exception(ctx, EXCP_RI);
1460 gen_op_store_T0_gpr(rd);
1461 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
1465 static void gen_trap (DisasContext *ctx, uint32_t opc,
1466 int rs, int rt, int16_t imm)
1471 /* Load needed operands */
1479 /* Compare two registers */
1481 GEN_LOAD_REG_TN(T0, rs);
1482 GEN_LOAD_REG_TN(T1, rt);
1492 /* Compare register to immediate */
1493 if (rs != 0 || imm != 0) {
1494 GEN_LOAD_REG_TN(T0, rs);
1495 GEN_LOAD_IMM_TN(T1, (int32_t)imm);
1502 case OPC_TEQ: /* rs == rs */
1503 case OPC_TEQI: /* r0 == 0 */
1504 case OPC_TGE: /* rs >= rs */
1505 case OPC_TGEI: /* r0 >= 0 */
1506 case OPC_TGEU: /* rs >= rs unsigned */
1507 case OPC_TGEIU: /* r0 >= 0 unsigned */
1511 case OPC_TLT: /* rs < rs */
1512 case OPC_TLTI: /* r0 < 0 */
1513 case OPC_TLTU: /* rs < rs unsigned */
1514 case OPC_TLTIU: /* r0 < 0 unsigned */
1515 case OPC_TNE: /* rs != rs */
1516 case OPC_TNEI: /* r0 != 0 */
1517 /* Never trap: treat as NOP */
1521 generate_exception(ctx, EXCP_RI);
1552 generate_exception(ctx, EXCP_RI);
1556 save_cpu_state(ctx, 1);
1558 ctx->bstate = BS_STOP;
1561 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
1563 TranslationBlock *tb;
1565 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
1567 gen_op_goto_tb0(TBPARAM(tb));
1569 gen_op_goto_tb1(TBPARAM(tb));
1571 gen_op_set_T0((long)tb + n);
1579 /* Branches (before delay slot) */
1580 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
1581 int rs, int rt, int32_t offset)
1583 target_ulong btarget = -1;
1587 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1588 #ifdef MIPS_DEBUG_DISAS
1589 if (loglevel & CPU_LOG_TB_IN_ASM) {
1591 "Branch in delay slot at PC 0x" TARGET_FMT_lx "\n",
1595 generate_exception(ctx, EXCP_RI);
1599 /* Load needed operands */
1605 /* Compare two registers */
1607 GEN_LOAD_REG_TN(T0, rs);
1608 GEN_LOAD_REG_TN(T1, rt);
1611 btarget = ctx->pc + 4 + offset;
1625 /* Compare to zero */
1627 gen_op_load_gpr_T0(rs);
1630 btarget = ctx->pc + 4 + offset;
1634 /* Jump to immediate */
1635 btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset;
1639 /* Jump to register */
1640 if (offset != 0 && offset != 16) {
1641 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
1642 others are reserved. */
1643 MIPS_INVAL("jump hint");
1644 generate_exception(ctx, EXCP_RI);
1647 GEN_LOAD_REG_TN(T2, rs);
1650 MIPS_INVAL("branch/jump");
1651 generate_exception(ctx, EXCP_RI);
1655 /* No condition to be computed */
1657 case OPC_BEQ: /* rx == rx */
1658 case OPC_BEQL: /* rx == rx likely */
1659 case OPC_BGEZ: /* 0 >= 0 */
1660 case OPC_BGEZL: /* 0 >= 0 likely */
1661 case OPC_BLEZ: /* 0 <= 0 */
1662 case OPC_BLEZL: /* 0 <= 0 likely */
1664 ctx->hflags |= MIPS_HFLAG_B;
1665 MIPS_DEBUG("balways");
1667 case OPC_BGEZAL: /* 0 >= 0 */
1668 case OPC_BGEZALL: /* 0 >= 0 likely */
1669 /* Always take and link */
1671 ctx->hflags |= MIPS_HFLAG_B;
1672 MIPS_DEBUG("balways and link");
1674 case OPC_BNE: /* rx != rx */
1675 case OPC_BGTZ: /* 0 > 0 */
1676 case OPC_BLTZ: /* 0 < 0 */
1677 /* Treated as NOP */
1678 MIPS_DEBUG("bnever (NOP)");
1680 case OPC_BLTZAL: /* 0 < 0 */
1681 GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
1682 gen_op_store_T0_gpr(31);
1683 MIPS_DEBUG("bnever and link");
1685 case OPC_BLTZALL: /* 0 < 0 likely */
1686 GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
1687 gen_op_store_T0_gpr(31);
1688 /* Skip the instruction in the delay slot */
1689 MIPS_DEBUG("bnever, link and skip");
1692 case OPC_BNEL: /* rx != rx likely */
1693 case OPC_BGTZL: /* 0 > 0 likely */
1694 case OPC_BLTZL: /* 0 < 0 likely */
1695 /* Skip the instruction in the delay slot */
1696 MIPS_DEBUG("bnever and skip");
1700 ctx->hflags |= MIPS_HFLAG_B;
1701 MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
1705 ctx->hflags |= MIPS_HFLAG_B;
1706 MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
1709 ctx->hflags |= MIPS_HFLAG_BR;
1710 MIPS_DEBUG("jr %s", regnames[rs]);
1714 ctx->hflags |= MIPS_HFLAG_BR;
1715 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
1718 MIPS_INVAL("branch/jump");
1719 generate_exception(ctx, EXCP_RI);
1726 MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
1727 regnames[rs], regnames[rt], btarget);
1731 MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
1732 regnames[rs], regnames[rt], btarget);
1736 MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
1737 regnames[rs], regnames[rt], btarget);
1741 MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
1742 regnames[rs], regnames[rt], btarget);
1746 MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
1750 MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
1754 MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
1760 MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
1764 MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
1768 MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
1772 MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
1776 MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
1780 MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
1784 MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
1789 MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
1791 ctx->hflags |= MIPS_HFLAG_BC;
1797 MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
1799 ctx->hflags |= MIPS_HFLAG_BL;
1801 gen_op_save_bcond();
1804 MIPS_INVAL("conditional branch/jump");
1805 generate_exception(ctx, EXCP_RI);
1809 MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
1810 blink, ctx->hflags, btarget);
1812 ctx->btarget = btarget;
1814 GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
1815 gen_op_store_T0_gpr(blink);
1819 /* special3 bitfield operations */
1820 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
1821 int rs, int lsb, int msb)
1823 GEN_LOAD_REG_TN(T1, rs);
1828 gen_op_ext(lsb, msb + 1);
1833 gen_op_ext(lsb, msb + 1 + 32);
1838 gen_op_ext(lsb + 32, msb + 1);
1841 gen_op_ext(lsb, msb + 1);
1846 GEN_LOAD_REG_TN(T0, rt);
1847 gen_op_ins(lsb, msb - lsb + 1);
1852 GEN_LOAD_REG_TN(T0, rt);
1853 gen_op_ins(lsb, msb - lsb + 1 + 32);
1858 GEN_LOAD_REG_TN(T0, rt);
1859 gen_op_ins(lsb + 32, msb - lsb + 1);
1864 GEN_LOAD_REG_TN(T0, rt);
1865 gen_op_ins(lsb, msb - lsb + 1);
1869 MIPS_INVAL("bitops");
1870 generate_exception(ctx, EXCP_RI);
1873 GEN_STORE_TN_REG(rt, T0);
1876 /* CP0 (MMU and control) */
1877 static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
1879 const char *rn = "invalid";
1885 gen_op_mfc0_index();
1889 // gen_op_mfc0_mvpcontrol(); /* MT ASE */
1893 // gen_op_mfc0_mvpconf0(); /* MT ASE */
1897 // gen_op_mfc0_mvpconf1(); /* MT ASE */
1907 gen_op_mfc0_random();
1911 // gen_op_mfc0_vpecontrol(); /* MT ASE */
1915 // gen_op_mfc0_vpeconf0(); /* MT ASE */
1919 // gen_op_mfc0_vpeconf1(); /* MT ASE */
1923 // gen_op_mfc0_YQMask(); /* MT ASE */
1927 // gen_op_mfc0_vpeschedule(); /* MT ASE */
1931 // gen_op_mfc0_vpeschefback(); /* MT ASE */
1932 rn = "VPEScheFBack";
1935 // gen_op_mfc0_vpeopt(); /* MT ASE */
1945 gen_op_mfc0_entrylo0();
1949 // gen_op_mfc0_tcstatus(); /* MT ASE */
1953 // gen_op_mfc0_tcbind(); /* MT ASE */
1957 // gen_op_mfc0_tcrestart(); /* MT ASE */
1961 // gen_op_mfc0_tchalt(); /* MT ASE */
1965 // gen_op_mfc0_tccontext(); /* MT ASE */
1969 // gen_op_mfc0_tcschedule(); /* MT ASE */
1973 // gen_op_mfc0_tcschefback(); /* MT ASE */
1983 gen_op_mfc0_entrylo1();
1993 gen_op_mfc0_context();
1997 // gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
1998 rn = "ContextConfig";
2007 gen_op_mfc0_pagemask();
2011 check_mips_r2(env, ctx);
2012 gen_op_mfc0_pagegrain();
2022 gen_op_mfc0_wired();
2026 // gen_op_mfc0_srsconf0(); /* shadow registers */
2030 // gen_op_mfc0_srsconf1(); /* shadow registers */
2034 // gen_op_mfc0_srsconf2(); /* shadow registers */
2038 // gen_op_mfc0_srsconf3(); /* shadow registers */
2042 // gen_op_mfc0_srsconf4(); /* shadow registers */
2052 check_mips_r2(env, ctx);
2053 gen_op_mfc0_hwrena();
2063 gen_op_mfc0_badvaddr();
2073 gen_op_mfc0_count();
2076 /* 6,7 are implementation dependent */
2084 gen_op_mfc0_entryhi();
2094 gen_op_mfc0_compare();
2097 /* 6,7 are implementation dependent */
2105 gen_op_mfc0_status();
2109 check_mips_r2(env, ctx);
2110 gen_op_mfc0_intctl();
2114 check_mips_r2(env, ctx);
2115 gen_op_mfc0_srsctl();
2119 check_mips_r2(env, ctx);
2120 gen_op_mfc0_srsmap();
2130 gen_op_mfc0_cause();
2154 check_mips_r2(env, ctx);
2155 gen_op_mfc0_ebase();
2165 gen_op_mfc0_config0();
2169 gen_op_mfc0_config1();
2173 gen_op_mfc0_config2();
2177 gen_op_mfc0_config3();
2180 /* 4,5 are reserved */
2181 /* 6,7 are implementation dependent */
2183 gen_op_mfc0_config6();
2187 gen_op_mfc0_config7();
2197 gen_op_mfc0_lladdr();
2207 gen_op_mfc0_watchlo(sel);
2217 gen_op_mfc0_watchhi(sel);
2227 #ifdef TARGET_MIPS64
2228 gen_op_mfc0_xcontext();
2237 /* Officially reserved, but sel 0 is used for R1x000 framemask */
2240 gen_op_mfc0_framemask();
2249 rn = "'Diagnostic"; /* implementation dependent */
2254 gen_op_mfc0_debug(); /* EJTAG support */
2258 // gen_op_mfc0_tracecontrol(); /* PDtrace support */
2259 rn = "TraceControl";
2262 // gen_op_mfc0_tracecontrol2(); /* PDtrace support */
2263 rn = "TraceControl2";
2266 // gen_op_mfc0_usertracedata(); /* PDtrace support */
2267 rn = "UserTraceData";
2270 // gen_op_mfc0_debug(); /* PDtrace support */
2280 gen_op_mfc0_depc(); /* EJTAG support */
2290 gen_op_mfc0_performance0();
2291 rn = "Performance0";
2294 // gen_op_mfc0_performance1();
2295 rn = "Performance1";
2298 // gen_op_mfc0_performance2();
2299 rn = "Performance2";
2302 // gen_op_mfc0_performance3();
2303 rn = "Performance3";
2306 // gen_op_mfc0_performance4();
2307 rn = "Performance4";
2310 // gen_op_mfc0_performance5();
2311 rn = "Performance5";
2314 // gen_op_mfc0_performance6();
2315 rn = "Performance6";
2318 // gen_op_mfc0_performance7();
2319 rn = "Performance7";
2344 gen_op_mfc0_taglo();
2351 gen_op_mfc0_datalo();
2364 gen_op_mfc0_taghi();
2371 gen_op_mfc0_datahi();
2381 gen_op_mfc0_errorepc();
2391 gen_op_mfc0_desave(); /* EJTAG support */
2401 #if defined MIPS_DEBUG_DISAS
2402 if (loglevel & CPU_LOG_TB_IN_ASM) {
2403 fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
2410 #if defined MIPS_DEBUG_DISAS
2411 if (loglevel & CPU_LOG_TB_IN_ASM) {
2412 fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
2416 generate_exception(ctx, EXCP_RI);
2419 static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
2421 const char *rn = "invalid";
2427 gen_op_mtc0_index();
2431 // gen_op_mtc0_mvpcontrol(); /* MT ASE */
2435 // gen_op_mtc0_mvpconf0(); /* MT ASE */
2439 // gen_op_mtc0_mvpconf1(); /* MT ASE */
2453 // gen_op_mtc0_vpecontrol(); /* MT ASE */
2457 // gen_op_mtc0_vpeconf0(); /* MT ASE */
2461 // gen_op_mtc0_vpeconf1(); /* MT ASE */
2465 // gen_op_mtc0_YQMask(); /* MT ASE */
2469 // gen_op_mtc0_vpeschedule(); /* MT ASE */
2473 // gen_op_mtc0_vpeschefback(); /* MT ASE */
2474 rn = "VPEScheFBack";
2477 // gen_op_mtc0_vpeopt(); /* MT ASE */
2487 gen_op_mtc0_entrylo0();
2491 // gen_op_mtc0_tcstatus(); /* MT ASE */
2495 // gen_op_mtc0_tcbind(); /* MT ASE */
2499 // gen_op_mtc0_tcrestart(); /* MT ASE */
2503 // gen_op_mtc0_tchalt(); /* MT ASE */
2507 // gen_op_mtc0_tccontext(); /* MT ASE */
2511 // gen_op_mtc0_tcschedule(); /* MT ASE */
2515 // gen_op_mtc0_tcschefback(); /* MT ASE */
2525 gen_op_mtc0_entrylo1();
2535 gen_op_mtc0_context();
2539 // gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
2540 rn = "ContextConfig";
2549 gen_op_mtc0_pagemask();
2553 check_mips_r2(env, ctx);
2554 gen_op_mtc0_pagegrain();
2564 gen_op_mtc0_wired();
2568 // gen_op_mtc0_srsconf0(); /* shadow registers */
2572 // gen_op_mtc0_srsconf1(); /* shadow registers */
2576 // gen_op_mtc0_srsconf2(); /* shadow registers */
2580 // gen_op_mtc0_srsconf3(); /* shadow registers */
2584 // gen_op_mtc0_srsconf4(); /* shadow registers */
2594 check_mips_r2(env, ctx);
2595 gen_op_mtc0_hwrena();
2609 gen_op_mtc0_count();
2612 /* 6,7 are implementation dependent */
2616 /* Stop translation as we may have switched the execution mode */
2617 ctx->bstate = BS_STOP;
2622 gen_op_mtc0_entryhi();
2632 gen_op_mtc0_compare();
2635 /* 6,7 are implementation dependent */
2639 /* Stop translation as we may have switched the execution mode */
2640 ctx->bstate = BS_STOP;
2645 gen_op_mtc0_status();
2646 /* BS_STOP isn't good enough here, hflags may have changed. */
2647 gen_save_pc(ctx->pc + 4);
2648 ctx->bstate = BS_EXCP;
2652 check_mips_r2(env, ctx);
2653 gen_op_mtc0_intctl();
2654 /* Stop translation as we may have switched the execution mode */
2655 ctx->bstate = BS_STOP;
2659 check_mips_r2(env, ctx);
2660 gen_op_mtc0_srsctl();
2661 /* Stop translation as we may have switched the execution mode */
2662 ctx->bstate = BS_STOP;
2666 check_mips_r2(env, ctx);
2667 gen_op_mtc0_srsmap();
2668 /* Stop translation as we may have switched the execution mode */
2669 ctx->bstate = BS_STOP;
2679 gen_op_mtc0_cause();
2685 /* Stop translation as we may have switched the execution mode */
2686 ctx->bstate = BS_STOP;
2705 check_mips_r2(env, ctx);
2706 gen_op_mtc0_ebase();
2716 gen_op_mtc0_config0();
2718 /* Stop translation as we may have switched the execution mode */
2719 ctx->bstate = BS_STOP;
2722 /* ignored, read only */
2726 gen_op_mtc0_config2();
2728 /* Stop translation as we may have switched the execution mode */
2729 ctx->bstate = BS_STOP;
2732 /* ignored, read only */
2735 /* 4,5 are reserved */
2736 /* 6,7 are implementation dependent */
2746 rn = "Invalid config selector";
2763 gen_op_mtc0_watchlo(sel);
2773 gen_op_mtc0_watchhi(sel);
2783 #ifdef TARGET_MIPS64
2784 gen_op_mtc0_xcontext();
2793 /* Officially reserved, but sel 0 is used for R1x000 framemask */
2796 gen_op_mtc0_framemask();
2805 rn = "Diagnostic"; /* implementation dependent */
2810 gen_op_mtc0_debug(); /* EJTAG support */
2811 /* BS_STOP isn't good enough here, hflags may have changed. */
2812 gen_save_pc(ctx->pc + 4);
2813 ctx->bstate = BS_EXCP;
2817 // gen_op_mtc0_tracecontrol(); /* PDtrace support */
2818 rn = "TraceControl";
2819 /* Stop translation as we may have switched the execution mode */
2820 ctx->bstate = BS_STOP;
2823 // gen_op_mtc0_tracecontrol2(); /* PDtrace support */
2824 rn = "TraceControl2";
2825 /* Stop translation as we may have switched the execution mode */
2826 ctx->bstate = BS_STOP;
2829 /* Stop translation as we may have switched the execution mode */
2830 ctx->bstate = BS_STOP;
2831 // gen_op_mtc0_usertracedata(); /* PDtrace support */
2832 rn = "UserTraceData";
2833 /* Stop translation as we may have switched the execution mode */
2834 ctx->bstate = BS_STOP;
2837 // gen_op_mtc0_debug(); /* PDtrace support */
2838 /* Stop translation as we may have switched the execution mode */
2839 ctx->bstate = BS_STOP;
2849 gen_op_mtc0_depc(); /* EJTAG support */
2859 gen_op_mtc0_performance0();
2860 rn = "Performance0";
2863 // gen_op_mtc0_performance1();
2864 rn = "Performance1";
2867 // gen_op_mtc0_performance2();
2868 rn = "Performance2";
2871 // gen_op_mtc0_performance3();
2872 rn = "Performance3";
2875 // gen_op_mtc0_performance4();
2876 rn = "Performance4";
2879 // gen_op_mtc0_performance5();
2880 rn = "Performance5";
2883 // gen_op_mtc0_performance6();
2884 rn = "Performance6";
2887 // gen_op_mtc0_performance7();
2888 rn = "Performance7";
2914 gen_op_mtc0_taglo();
2921 gen_op_mtc0_datalo();
2934 gen_op_mtc0_taghi();
2941 gen_op_mtc0_datahi();
2952 gen_op_mtc0_errorepc();
2962 gen_op_mtc0_desave(); /* EJTAG support */
2968 /* Stop translation as we may have switched the execution mode */
2969 ctx->bstate = BS_STOP;
2974 #if defined MIPS_DEBUG_DISAS
2975 if (loglevel & CPU_LOG_TB_IN_ASM) {
2976 fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
2983 #if defined MIPS_DEBUG_DISAS
2984 if (loglevel & CPU_LOG_TB_IN_ASM) {
2985 fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
2989 generate_exception(ctx, EXCP_RI);
2992 #ifdef TARGET_MIPS64
2993 static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
2995 const char *rn = "invalid";
3001 gen_op_mfc0_index();
3005 // gen_op_dmfc0_mvpcontrol(); /* MT ASE */
3009 // gen_op_dmfc0_mvpconf0(); /* MT ASE */
3013 // gen_op_dmfc0_mvpconf1(); /* MT ASE */
3023 gen_op_mfc0_random();
3027 // gen_op_dmfc0_vpecontrol(); /* MT ASE */
3031 // gen_op_dmfc0_vpeconf0(); /* MT ASE */
3035 // gen_op_dmfc0_vpeconf1(); /* MT ASE */
3039 // gen_op_dmfc0_YQMask(); /* MT ASE */
3043 // gen_op_dmfc0_vpeschedule(); /* MT ASE */
3047 // gen_op_dmfc0_vpeschefback(); /* MT ASE */
3048 rn = "VPEScheFBack";
3051 // gen_op_dmfc0_vpeopt(); /* MT ASE */
3061 gen_op_dmfc0_entrylo0();
3065 // gen_op_dmfc0_tcstatus(); /* MT ASE */
3069 // gen_op_dmfc0_tcbind(); /* MT ASE */
3073 // gen_op_dmfc0_tcrestart(); /* MT ASE */
3077 // gen_op_dmfc0_tchalt(); /* MT ASE */
3081 // gen_op_dmfc0_tccontext(); /* MT ASE */
3085 // gen_op_dmfc0_tcschedule(); /* MT ASE */
3089 // gen_op_dmfc0_tcschefback(); /* MT ASE */
3099 gen_op_dmfc0_entrylo1();
3109 gen_op_dmfc0_context();
3113 // gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
3114 rn = "ContextConfig";
3123 gen_op_mfc0_pagemask();
3127 check_mips_r2(env, ctx);
3128 gen_op_mfc0_pagegrain();
3138 gen_op_mfc0_wired();
3142 // gen_op_dmfc0_srsconf0(); /* shadow registers */
3146 // gen_op_dmfc0_srsconf1(); /* shadow registers */
3150 // gen_op_dmfc0_srsconf2(); /* shadow registers */
3154 // gen_op_dmfc0_srsconf3(); /* shadow registers */
3158 // gen_op_dmfc0_srsconf4(); /* shadow registers */
3168 check_mips_r2(env, ctx);
3169 gen_op_mfc0_hwrena();
3179 gen_op_dmfc0_badvaddr();
3189 gen_op_mfc0_count();
3192 /* 6,7 are implementation dependent */
3200 gen_op_dmfc0_entryhi();
3210 gen_op_mfc0_compare();
3213 /* 6,7 are implementation dependent */
3221 gen_op_mfc0_status();
3225 check_mips_r2(env, ctx);
3226 gen_op_mfc0_intctl();
3230 check_mips_r2(env, ctx);
3231 gen_op_mfc0_srsctl();
3235 check_mips_r2(env, ctx);
3236 gen_op_mfc0_srsmap(); /* shadow registers */
3246 gen_op_mfc0_cause();
3270 check_mips_r2(env, ctx);
3271 gen_op_mfc0_ebase();
3281 gen_op_mfc0_config0();
3285 gen_op_mfc0_config1();
3289 gen_op_mfc0_config2();
3293 gen_op_mfc0_config3();
3296 /* 6,7 are implementation dependent */
3304 gen_op_dmfc0_lladdr();
3314 gen_op_dmfc0_watchlo(sel);
3324 gen_op_mfc0_watchhi(sel);
3334 #ifdef TARGET_MIPS64
3335 gen_op_dmfc0_xcontext();
3344 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3347 gen_op_mfc0_framemask();
3356 rn = "'Diagnostic"; /* implementation dependent */
3361 gen_op_mfc0_debug(); /* EJTAG support */
3365 // gen_op_dmfc0_tracecontrol(); /* PDtrace support */
3366 rn = "TraceControl";
3369 // gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
3370 rn = "TraceControl2";
3373 // gen_op_dmfc0_usertracedata(); /* PDtrace support */
3374 rn = "UserTraceData";
3377 // gen_op_dmfc0_debug(); /* PDtrace support */
3387 gen_op_dmfc0_depc(); /* EJTAG support */
3397 gen_op_mfc0_performance0();
3398 rn = "Performance0";
3401 // gen_op_dmfc0_performance1();
3402 rn = "Performance1";
3405 // gen_op_dmfc0_performance2();
3406 rn = "Performance2";
3409 // gen_op_dmfc0_performance3();
3410 rn = "Performance3";
3413 // gen_op_dmfc0_performance4();
3414 rn = "Performance4";
3417 // gen_op_dmfc0_performance5();
3418 rn = "Performance5";
3421 // gen_op_dmfc0_performance6();
3422 rn = "Performance6";
3425 // gen_op_dmfc0_performance7();
3426 rn = "Performance7";
3451 gen_op_mfc0_taglo();
3458 gen_op_mfc0_datalo();
3471 gen_op_mfc0_taghi();
3478 gen_op_mfc0_datahi();
3488 gen_op_dmfc0_errorepc();
3498 gen_op_mfc0_desave(); /* EJTAG support */
3508 #if defined MIPS_DEBUG_DISAS
3509 if (loglevel & CPU_LOG_TB_IN_ASM) {
3510 fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
3517 #if defined MIPS_DEBUG_DISAS
3518 if (loglevel & CPU_LOG_TB_IN_ASM) {
3519 fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
3523 generate_exception(ctx, EXCP_RI);
3526 static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
3528 const char *rn = "invalid";
3534 gen_op_mtc0_index();
3538 // gen_op_mtc0_mvpcontrol(); /* MT ASE */
3542 // gen_op_mtc0_mvpconf0(); /* MT ASE */
3546 // gen_op_mtc0_mvpconf1(); /* MT ASE */
3560 // gen_op_mtc0_vpecontrol(); /* MT ASE */
3564 // gen_op_mtc0_vpeconf0(); /* MT ASE */
3568 // gen_op_mtc0_vpeconf1(); /* MT ASE */
3572 // gen_op_mtc0_YQMask(); /* MT ASE */
3576 // gen_op_mtc0_vpeschedule(); /* MT ASE */
3580 // gen_op_mtc0_vpeschefback(); /* MT ASE */
3581 rn = "VPEScheFBack";
3584 // gen_op_mtc0_vpeopt(); /* MT ASE */
3594 gen_op_mtc0_entrylo0();
3598 // gen_op_mtc0_tcstatus(); /* MT ASE */
3602 // gen_op_mtc0_tcbind(); /* MT ASE */
3606 // gen_op_mtc0_tcrestart(); /* MT ASE */
3610 // gen_op_mtc0_tchalt(); /* MT ASE */
3614 // gen_op_mtc0_tccontext(); /* MT ASE */
3618 // gen_op_mtc0_tcschedule(); /* MT ASE */
3622 // gen_op_mtc0_tcschefback(); /* MT ASE */
3632 gen_op_mtc0_entrylo1();
3642 gen_op_mtc0_context();
3646 // gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
3647 rn = "ContextConfig";
3656 gen_op_mtc0_pagemask();
3660 check_mips_r2(env, ctx);
3661 gen_op_mtc0_pagegrain();
3671 gen_op_mtc0_wired();
3675 // gen_op_mtc0_srsconf0(); /* shadow registers */
3679 // gen_op_mtc0_srsconf1(); /* shadow registers */
3683 // gen_op_mtc0_srsconf2(); /* shadow registers */
3687 // gen_op_mtc0_srsconf3(); /* shadow registers */
3691 // gen_op_mtc0_srsconf4(); /* shadow registers */
3701 check_mips_r2(env, ctx);
3702 gen_op_mtc0_hwrena();
3716 gen_op_mtc0_count();
3719 /* 6,7 are implementation dependent */
3723 /* Stop translation as we may have switched the execution mode */
3724 ctx->bstate = BS_STOP;
3729 gen_op_mtc0_entryhi();
3739 gen_op_mtc0_compare();
3742 /* 6,7 are implementation dependent */
3746 /* Stop translation as we may have switched the execution mode */
3747 ctx->bstate = BS_STOP;
3752 gen_op_mtc0_status();
3753 /* BS_STOP isn't good enough here, hflags may have changed. */
3754 gen_save_pc(ctx->pc + 4);
3755 ctx->bstate = BS_EXCP;
3759 check_mips_r2(env, ctx);
3760 gen_op_mtc0_intctl();
3761 /* Stop translation as we may have switched the execution mode */
3762 ctx->bstate = BS_STOP;
3766 check_mips_r2(env, ctx);
3767 gen_op_mtc0_srsctl();
3768 /* Stop translation as we may have switched the execution mode */
3769 ctx->bstate = BS_STOP;
3773 check_mips_r2(env, ctx);
3774 gen_op_mtc0_srsmap();
3775 /* Stop translation as we may have switched the execution mode */
3776 ctx->bstate = BS_STOP;
3786 gen_op_mtc0_cause();
3792 /* Stop translation as we may have switched the execution mode */
3793 ctx->bstate = BS_STOP;
3812 check_mips_r2(env, ctx);
3813 gen_op_mtc0_ebase();
3823 gen_op_mtc0_config0();
3825 /* Stop translation as we may have switched the execution mode */
3826 ctx->bstate = BS_STOP;
3833 gen_op_mtc0_config2();
3835 /* Stop translation as we may have switched the execution mode */
3836 ctx->bstate = BS_STOP;
3842 /* 6,7 are implementation dependent */
3844 rn = "Invalid config selector";
3861 gen_op_mtc0_watchlo(sel);
3871 gen_op_mtc0_watchhi(sel);
3881 #ifdef TARGET_MIPS64
3882 gen_op_mtc0_xcontext();
3891 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3894 gen_op_mtc0_framemask();
3903 rn = "Diagnostic"; /* implementation dependent */
3908 gen_op_mtc0_debug(); /* EJTAG support */
3909 /* BS_STOP isn't good enough here, hflags may have changed. */
3910 gen_save_pc(ctx->pc + 4);
3911 ctx->bstate = BS_EXCP;
3915 // gen_op_mtc0_tracecontrol(); /* PDtrace support */
3916 /* Stop translation as we may have switched the execution mode */
3917 ctx->bstate = BS_STOP;
3918 rn = "TraceControl";
3921 // gen_op_mtc0_tracecontrol2(); /* PDtrace support */
3922 /* Stop translation as we may have switched the execution mode */
3923 ctx->bstate = BS_STOP;
3924 rn = "TraceControl2";
3927 // gen_op_mtc0_usertracedata(); /* PDtrace support */
3928 /* Stop translation as we may have switched the execution mode */
3929 ctx->bstate = BS_STOP;
3930 rn = "UserTraceData";
3933 // gen_op_mtc0_debug(); /* PDtrace support */
3934 /* Stop translation as we may have switched the execution mode */
3935 ctx->bstate = BS_STOP;
3945 gen_op_mtc0_depc(); /* EJTAG support */
3955 gen_op_mtc0_performance0();
3956 rn = "Performance0";
3959 // gen_op_mtc0_performance1();
3960 rn = "Performance1";
3963 // gen_op_mtc0_performance2();
3964 rn = "Performance2";
3967 // gen_op_mtc0_performance3();
3968 rn = "Performance3";
3971 // gen_op_mtc0_performance4();
3972 rn = "Performance4";
3975 // gen_op_mtc0_performance5();
3976 rn = "Performance5";
3979 // gen_op_mtc0_performance6();
3980 rn = "Performance6";
3983 // gen_op_mtc0_performance7();
3984 rn = "Performance7";
4010 gen_op_mtc0_taglo();
4017 gen_op_mtc0_datalo();
4030 gen_op_mtc0_taghi();
4037 gen_op_mtc0_datahi();
4048 gen_op_mtc0_errorepc();
4058 gen_op_mtc0_desave(); /* EJTAG support */
4064 /* Stop translation as we may have switched the execution mode */
4065 ctx->bstate = BS_STOP;
4070 #if defined MIPS_DEBUG_DISAS
4071 if (loglevel & CPU_LOG_TB_IN_ASM) {
4072 fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
4079 #if defined MIPS_DEBUG_DISAS
4080 if (loglevel & CPU_LOG_TB_IN_ASM) {
4081 fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
4085 generate_exception(ctx, EXCP_RI);
4087 #endif /* TARGET_MIPS64 */
4089 static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
4091 const char *opn = "ldst";
4099 gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
4100 gen_op_store_T0_gpr(rt);
4104 GEN_LOAD_REG_TN(T0, rt);
4105 gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
4108 #ifdef TARGET_MIPS64
4114 gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
4115 gen_op_store_T0_gpr(rt);
4119 GEN_LOAD_REG_TN(T0, rt);
4120 gen_dmtc0(env,ctx, rd, ctx->opcode & 0x7);
4151 ctx->bstate = BS_EXCP;
4155 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
4157 generate_exception(ctx, EXCP_RI);
4160 ctx->bstate = BS_EXCP;
4165 /* If we get an exception, we want to restart at next instruction */
4167 save_cpu_state(ctx, 1);
4170 ctx->bstate = BS_EXCP;
4175 generate_exception(ctx, EXCP_RI);
4178 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
4181 /* CP1 Branches (before delay slot) */
4182 static void gen_compute_branch1 (DisasContext *ctx, uint32_t op,
4183 int32_t cc, int32_t offset)
4185 target_ulong btarget;
4186 const char *opn = "cp1 cond branch";
4188 btarget = ctx->pc + 4 + offset;
4207 ctx->hflags |= MIPS_HFLAG_BL;
4209 gen_op_save_bcond();
4212 gen_op_bc1any2f(cc);
4216 gen_op_bc1any2t(cc);
4220 gen_op_bc1any4f(cc);
4224 gen_op_bc1any4t(cc);
4227 ctx->hflags |= MIPS_HFLAG_BC;
4232 generate_exception (ctx, EXCP_RI);
4235 MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
4236 ctx->hflags, btarget);
4237 ctx->btarget = btarget;
4240 /* Coprocessor 1 (FPU) */
4242 #define FOP(func, fmt) (((fmt) << 21) | (func))
4244 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
4246 const char *opn = "cp1 move";
4250 GEN_LOAD_FREG_FTN(WT0, fs);
4252 GEN_STORE_TN_REG(rt, T0);
4256 GEN_LOAD_REG_TN(T0, rt);
4258 GEN_STORE_FTN_FREG(fs, WT0);
4262 GEN_LOAD_IMM_TN(T1, fs);
4264 GEN_STORE_TN_REG(rt, T0);
4268 GEN_LOAD_IMM_TN(T1, fs);
4269 GEN_LOAD_REG_TN(T0, rt);
4274 GEN_LOAD_FREG_FTN(DT0, fs);
4276 GEN_STORE_TN_REG(rt, T0);
4280 GEN_LOAD_REG_TN(T0, rt);
4282 GEN_STORE_FTN_FREG(fs, DT0);
4286 GEN_LOAD_FREG_FTN(WTH0, fs);
4288 GEN_STORE_TN_REG(rt, T0);
4292 GEN_LOAD_REG_TN(T0, rt);
4294 GEN_STORE_FTN_FREG(fs, WTH0);
4299 generate_exception (ctx, EXCP_RI);
4302 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
4305 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
4309 GEN_LOAD_REG_TN(T0, rd);
4310 GEN_LOAD_REG_TN(T1, rs);
4312 ccbit = 1 << (24 + cc);
4319 GEN_STORE_TN_REG(rd, T0);
4322 #define GEN_MOVCF(fmt) \
4323 static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \
4328 ccbit = 1 << (24 + cc); \
4332 glue(gen_op_float_movf_, fmt)(ccbit); \
4334 glue(gen_op_float_movt_, fmt)(ccbit); \
4341 static void gen_farith (DisasContext *ctx, uint32_t op1,
4342 int ft, int fs, int fd, int cc)
4344 const char *opn = "farith";
4345 const char *condnames[] = {
4363 const char *condnames_abs[] = {
4381 enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
4382 uint32_t func = ctx->opcode & 0x3f;
4384 switch (ctx->opcode & FOP(0x3f, 0x1f)) {
4386 GEN_LOAD_FREG_FTN(WT0, fs);
4387 GEN_LOAD_FREG_FTN(WT1, ft);
4388 gen_op_float_add_s();
4389 GEN_STORE_FTN_FREG(fd, WT2);
4394 GEN_LOAD_FREG_FTN(WT0, fs);
4395 GEN_LOAD_FREG_FTN(WT1, ft);
4396 gen_op_float_sub_s();
4397 GEN_STORE_FTN_FREG(fd, WT2);
4402 GEN_LOAD_FREG_FTN(WT0, fs);
4403 GEN_LOAD_FREG_FTN(WT1, ft);
4404 gen_op_float_mul_s();
4405 GEN_STORE_FTN_FREG(fd, WT2);
4410 GEN_LOAD_FREG_FTN(WT0, fs);
4411 GEN_LOAD_FREG_FTN(WT1, ft);
4412 gen_op_float_div_s();
4413 GEN_STORE_FTN_FREG(fd, WT2);
4418 GEN_LOAD_FREG_FTN(WT0, fs);
4419 gen_op_float_sqrt_s();
4420 GEN_STORE_FTN_FREG(fd, WT2);
4424 GEN_LOAD_FREG_FTN(WT0, fs);
4425 gen_op_float_abs_s();
4426 GEN_STORE_FTN_FREG(fd, WT2);
4430 GEN_LOAD_FREG_FTN(WT0, fs);
4431 gen_op_float_mov_s();
4432 GEN_STORE_FTN_FREG(fd, WT2);
4436 GEN_LOAD_FREG_FTN(WT0, fs);
4437 gen_op_float_chs_s();
4438 GEN_STORE_FTN_FREG(fd, WT2);
4442 check_cp1_64bitmode(ctx);
4443 GEN_LOAD_FREG_FTN(WT0, fs);
4444 gen_op_float_roundl_s();
4445 GEN_STORE_FTN_FREG(fd, DT2);
4449 check_cp1_64bitmode(ctx);
4450 GEN_LOAD_FREG_FTN(WT0, fs);
4451 gen_op_float_truncl_s();
4452 GEN_STORE_FTN_FREG(fd, DT2);
4456 check_cp1_64bitmode(ctx);
4457 GEN_LOAD_FREG_FTN(WT0, fs);
4458 gen_op_float_ceill_s();
4459 GEN_STORE_FTN_FREG(fd, DT2);
4463 check_cp1_64bitmode(ctx);
4464 GEN_LOAD_FREG_FTN(WT0, fs);
4465 gen_op_float_floorl_s();
4466 GEN_STORE_FTN_FREG(fd, DT2);
4470 GEN_LOAD_FREG_FTN(WT0, fs);
4471 gen_op_float_roundw_s();
4472 GEN_STORE_FTN_FREG(fd, WT2);
4476 GEN_LOAD_FREG_FTN(WT0, fs);
4477 gen_op_float_truncw_s();
4478 GEN_STORE_FTN_FREG(fd, WT2);
4482 GEN_LOAD_FREG_FTN(WT0, fs);
4483 gen_op_float_ceilw_s();
4484 GEN_STORE_FTN_FREG(fd, WT2);
4488 GEN_LOAD_FREG_FTN(WT0, fs);
4489 gen_op_float_floorw_s();
4490 GEN_STORE_FTN_FREG(fd, WT2);
4494 GEN_LOAD_REG_TN(T0, ft);
4495 GEN_LOAD_FREG_FTN(WT0, fs);
4496 GEN_LOAD_FREG_FTN(WT2, fd);
4497 gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1);
4498 GEN_STORE_FTN_FREG(fd, WT2);
4502 GEN_LOAD_REG_TN(T0, ft);
4503 GEN_LOAD_FREG_FTN(WT0, fs);
4504 GEN_LOAD_FREG_FTN(WT2, fd);
4505 gen_op_float_movz_s();
4506 GEN_STORE_FTN_FREG(fd, WT2);
4510 GEN_LOAD_REG_TN(T0, ft);
4511 GEN_LOAD_FREG_FTN(WT0, fs);
4512 GEN_LOAD_FREG_FTN(WT2, fd);
4513 gen_op_float_movn_s();
4514 GEN_STORE_FTN_FREG(fd, WT2);
4518 GEN_LOAD_FREG_FTN(WT0, fs);
4519 gen_op_float_recip_s();
4520 GEN_STORE_FTN_FREG(fd, WT2);
4524 GEN_LOAD_FREG_FTN(WT0, fs);
4525 gen_op_float_rsqrt_s();
4526 GEN_STORE_FTN_FREG(fd, WT2);
4530 check_cp1_64bitmode(ctx);
4531 GEN_LOAD_FREG_FTN(WT0, fs);
4532 GEN_LOAD_FREG_FTN(WT2, fd);
4533 gen_op_float_recip2_s();
4534 GEN_STORE_FTN_FREG(fd, WT2);
4538 check_cp1_64bitmode(ctx);
4539 GEN_LOAD_FREG_FTN(WT0, fs);
4540 gen_op_float_recip1_s();
4541 GEN_STORE_FTN_FREG(fd, WT2);
4545 check_cp1_64bitmode(ctx);
4546 GEN_LOAD_FREG_FTN(WT0, fs);
4547 gen_op_float_rsqrt1_s();
4548 GEN_STORE_FTN_FREG(fd, WT2);
4552 check_cp1_64bitmode(ctx);
4553 GEN_LOAD_FREG_FTN(WT0, fs);
4554 GEN_LOAD_FREG_FTN(WT2, fd);
4555 gen_op_float_rsqrt2_s();
4556 GEN_STORE_FTN_FREG(fd, WT2);
4560 check_cp1_registers(ctx, fd);
4561 GEN_LOAD_FREG_FTN(WT0, fs);
4562 gen_op_float_cvtd_s();
4563 GEN_STORE_FTN_FREG(fd, DT2);
4567 GEN_LOAD_FREG_FTN(WT0, fs);
4568 gen_op_float_cvtw_s();
4569 GEN_STORE_FTN_FREG(fd, WT2);
4573 check_cp1_64bitmode(ctx);
4574 GEN_LOAD_FREG_FTN(WT0, fs);
4575 gen_op_float_cvtl_s();
4576 GEN_STORE_FTN_FREG(fd, DT2);
4580 check_cp1_64bitmode(ctx);
4581 GEN_LOAD_FREG_FTN(WT1, fs);
4582 GEN_LOAD_FREG_FTN(WT0, ft);
4583 gen_op_float_cvtps_s();
4584 GEN_STORE_FTN_FREG(fd, DT2);
4603 GEN_LOAD_FREG_FTN(WT0, fs);
4604 GEN_LOAD_FREG_FTN(WT1, ft);
4605 if (ctx->opcode & (1 << 6)) {
4606 check_cp1_64bitmode(ctx);
4607 gen_cmpabs_s(func-48, cc);
4608 opn = condnames_abs[func-48];
4610 gen_cmp_s(func-48, cc);
4611 opn = condnames[func-48];
4615 check_cp1_registers(ctx, fs | ft | fd);
4616 GEN_LOAD_FREG_FTN(DT0, fs);
4617 GEN_LOAD_FREG_FTN(DT1, ft);
4618 gen_op_float_add_d();
4619 GEN_STORE_FTN_FREG(fd, DT2);
4624 check_cp1_registers(ctx, fs | ft | fd);
4625 GEN_LOAD_FREG_FTN(DT0, fs);
4626 GEN_LOAD_FREG_FTN(DT1, ft);
4627 gen_op_float_sub_d();
4628 GEN_STORE_FTN_FREG(fd, DT2);
4633 check_cp1_registers(ctx, fs | ft | fd);
4634 GEN_LOAD_FREG_FTN(DT0, fs);
4635 GEN_LOAD_FREG_FTN(DT1, ft);
4636 gen_op_float_mul_d();
4637 GEN_STORE_FTN_FREG(fd, DT2);
4642 check_cp1_registers(ctx, fs | ft | fd);
4643 GEN_LOAD_FREG_FTN(DT0, fs);
4644 GEN_LOAD_FREG_FTN(DT1, ft);
4645 gen_op_float_div_d();
4646 GEN_STORE_FTN_FREG(fd, DT2);
4651 check_cp1_registers(ctx, fs | fd);
4652 GEN_LOAD_FREG_FTN(DT0, fs);
4653 gen_op_float_sqrt_d();
4654 GEN_STORE_FTN_FREG(fd, DT2);
4658 check_cp1_registers(ctx, fs | fd);
4659 GEN_LOAD_FREG_FTN(DT0, fs);
4660 gen_op_float_abs_d();
4661 GEN_STORE_FTN_FREG(fd, DT2);
4665 check_cp1_registers(ctx, fs | fd);
4666 GEN_LOAD_FREG_FTN(DT0, fs);
4667 gen_op_float_mov_d();
4668 GEN_STORE_FTN_FREG(fd, DT2);
4672 check_cp1_registers(ctx, fs | fd);
4673 GEN_LOAD_FREG_FTN(DT0, fs);
4674 gen_op_float_chs_d();
4675 GEN_STORE_FTN_FREG(fd, DT2);
4679 check_cp1_64bitmode(ctx);
4680 GEN_LOAD_FREG_FTN(DT0, fs);
4681 gen_op_float_roundl_d();
4682 GEN_STORE_FTN_FREG(fd, DT2);
4686 check_cp1_64bitmode(ctx);
4687 GEN_LOAD_FREG_FTN(DT0, fs);
4688 gen_op_float_truncl_d();
4689 GEN_STORE_FTN_FREG(fd, DT2);
4693 check_cp1_64bitmode(ctx);
4694 GEN_LOAD_FREG_FTN(DT0, fs);
4695 gen_op_float_ceill_d();
4696 GEN_STORE_FTN_FREG(fd, DT2);
4700 check_cp1_64bitmode(ctx);
4701 GEN_LOAD_FREG_FTN(DT0, fs);
4702 gen_op_float_floorl_d();
4703 GEN_STORE_FTN_FREG(fd, DT2);
4707 check_cp1_registers(ctx, fs);
4708 GEN_LOAD_FREG_FTN(DT0, fs);
4709 gen_op_float_roundw_d();
4710 GEN_STORE_FTN_FREG(fd, WT2);
4714 check_cp1_registers(ctx, fs);
4715 GEN_LOAD_FREG_FTN(DT0, fs);
4716 gen_op_float_truncw_d();
4717 GEN_STORE_FTN_FREG(fd, WT2);
4721 check_cp1_registers(ctx, fs);
4722 GEN_LOAD_FREG_FTN(DT0, fs);
4723 gen_op_float_ceilw_d();
4724 GEN_STORE_FTN_FREG(fd, WT2);
4728 check_cp1_registers(ctx, fs);
4729 GEN_LOAD_FREG_FTN(DT0, fs);
4730 gen_op_float_floorw_d();
4731 GEN_STORE_FTN_FREG(fd, WT2);
4735 GEN_LOAD_REG_TN(T0, ft);
4736 GEN_LOAD_FREG_FTN(DT0, fs);
4737 GEN_LOAD_FREG_FTN(DT2, fd);
4738 gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1);
4739 GEN_STORE_FTN_FREG(fd, DT2);
4743 GEN_LOAD_REG_TN(T0, ft);
4744 GEN_LOAD_FREG_FTN(DT0, fs);
4745 GEN_LOAD_FREG_FTN(DT2, fd);
4746 gen_op_float_movz_d();
4747 GEN_STORE_FTN_FREG(fd, DT2);
4751 GEN_LOAD_REG_TN(T0, ft);
4752 GEN_LOAD_FREG_FTN(DT0, fs);
4753 GEN_LOAD_FREG_FTN(DT2, fd);
4754 gen_op_float_movn_d();
4755 GEN_STORE_FTN_FREG(fd, DT2);
4759 check_cp1_registers(ctx, fs | fd);
4760 GEN_LOAD_FREG_FTN(DT0, fs);
4761 gen_op_float_recip_d();
4762 GEN_STORE_FTN_FREG(fd, DT2);
4766 check_cp1_registers(ctx, fs | fd);
4767 GEN_LOAD_FREG_FTN(DT0, fs);
4768 gen_op_float_rsqrt_d();
4769 GEN_STORE_FTN_FREG(fd, DT2);
4773 check_cp1_64bitmode(ctx);
4774 GEN_LOAD_FREG_FTN(DT0, fs);
4775 GEN_LOAD_FREG_FTN(DT2, ft);
4776 gen_op_float_recip2_d();
4777 GEN_STORE_FTN_FREG(fd, DT2);
4781 check_cp1_64bitmode(ctx);
4782 GEN_LOAD_FREG_FTN(DT0, fs);
4783 gen_op_float_recip1_d();
4784 GEN_STORE_FTN_FREG(fd, DT2);
4788 check_cp1_64bitmode(ctx);
4789 GEN_LOAD_FREG_FTN(DT0, fs);
4790 gen_op_float_rsqrt1_d();
4791 GEN_STORE_FTN_FREG(fd, DT2);
4795 check_cp1_64bitmode(ctx);
4796 GEN_LOAD_FREG_FTN(DT0, fs);
4797 GEN_LOAD_FREG_FTN(DT2, ft);
4798 gen_op_float_rsqrt2_d();
4799 GEN_STORE_FTN_FREG(fd, DT2);
4818 GEN_LOAD_FREG_FTN(DT0, fs);
4819 GEN_LOAD_FREG_FTN(DT1, ft);
4820 if (ctx->opcode & (1 << 6)) {
4821 check_cp1_64bitmode(ctx);
4822 gen_cmpabs_d(func-48, cc);
4823 opn = condnames_abs[func-48];
4825 check_cp1_registers(ctx, fs | ft);
4826 gen_cmp_d(func-48, cc);
4827 opn = condnames[func-48];
4831 check_cp1_registers(ctx, fs);
4832 GEN_LOAD_FREG_FTN(DT0, fs);
4833 gen_op_float_cvts_d();
4834 GEN_STORE_FTN_FREG(fd, WT2);
4838 check_cp1_registers(ctx, fs);
4839 GEN_LOAD_FREG_FTN(DT0, fs);
4840 gen_op_float_cvtw_d();
4841 GEN_STORE_FTN_FREG(fd, WT2);
4845 check_cp1_64bitmode(ctx);
4846 GEN_LOAD_FREG_FTN(DT0, fs);
4847 gen_op_float_cvtl_d();
4848 GEN_STORE_FTN_FREG(fd, DT2);
4852 GEN_LOAD_FREG_FTN(WT0, fs);
4853 gen_op_float_cvts_w();
4854 GEN_STORE_FTN_FREG(fd, WT2);
4858 check_cp1_registers(ctx, fd);
4859 GEN_LOAD_FREG_FTN(WT0, fs);
4860 gen_op_float_cvtd_w();
4861 GEN_STORE_FTN_FREG(fd, DT2);
4865 check_cp1_64bitmode(ctx);
4866 GEN_LOAD_FREG_FTN(DT0, fs);
4867 gen_op_float_cvts_l();
4868 GEN_STORE_FTN_FREG(fd, WT2);
4872 check_cp1_64bitmode(ctx);
4873 GEN_LOAD_FREG_FTN(DT0, fs);
4874 gen_op_float_cvtd_l();
4875 GEN_STORE_FTN_FREG(fd, DT2);
4880 check_cp1_64bitmode(ctx);
4881 GEN_LOAD_FREG_FTN(WT0, fs);
4882 GEN_LOAD_FREG_FTN(WTH0, fs);
4883 gen_op_float_cvtps_pw();
4884 GEN_STORE_FTN_FREG(fd, WT2);
4885 GEN_STORE_FTN_FREG(fd, WTH2);
4889 check_cp1_64bitmode(ctx);
4890 GEN_LOAD_FREG_FTN(WT0, fs);
4891 GEN_LOAD_FREG_FTN(WTH0, fs);
4892 GEN_LOAD_FREG_FTN(WT1, ft);
4893 GEN_LOAD_FREG_FTN(WTH1, ft);
4894 gen_op_float_add_ps();
4895 GEN_STORE_FTN_FREG(fd, WT2);
4896 GEN_STORE_FTN_FREG(fd, WTH2);
4900 check_cp1_64bitmode(ctx);
4901 GEN_LOAD_FREG_FTN(WT0, fs);
4902 GEN_LOAD_FREG_FTN(WTH0, fs);
4903 GEN_LOAD_FREG_FTN(WT1, ft);
4904 GEN_LOAD_FREG_FTN(WTH1, ft);
4905 gen_op_float_sub_ps();
4906 GEN_STORE_FTN_FREG(fd, WT2);
4907 GEN_STORE_FTN_FREG(fd, WTH2);
4911 check_cp1_64bitmode(ctx);
4912 GEN_LOAD_FREG_FTN(WT0, fs);
4913 GEN_LOAD_FREG_FTN(WTH0, fs);
4914 GEN_LOAD_FREG_FTN(WT1, ft);
4915 GEN_LOAD_FREG_FTN(WTH1, ft);
4916 gen_op_float_mul_ps();
4917 GEN_STORE_FTN_FREG(fd, WT2);
4918 GEN_STORE_FTN_FREG(fd, WTH2);
4922 check_cp1_64bitmode(ctx);
4923 GEN_LOAD_FREG_FTN(WT0, fs);
4924 GEN_LOAD_FREG_FTN(WTH0, fs);
4925 gen_op_float_abs_ps();
4926 GEN_STORE_FTN_FREG(fd, WT2);
4927 GEN_STORE_FTN_FREG(fd, WTH2);
4931 check_cp1_64bitmode(ctx);
4932 GEN_LOAD_FREG_FTN(WT0, fs);
4933 GEN_LOAD_FREG_FTN(WTH0, fs);
4934 gen_op_float_mov_ps();
4935 GEN_STORE_FTN_FREG(fd, WT2);
4936 GEN_STORE_FTN_FREG(fd, WTH2);
4940 check_cp1_64bitmode(ctx);
4941 GEN_LOAD_FREG_FTN(WT0, fs);
4942 GEN_LOAD_FREG_FTN(WTH0, fs);
4943 gen_op_float_chs_ps();
4944 GEN_STORE_FTN_FREG(fd, WT2);
4945 GEN_STORE_FTN_FREG(fd, WTH2);
4949 check_cp1_64bitmode(ctx);
4950 GEN_LOAD_REG_TN(T0, ft);
4951 GEN_LOAD_FREG_FTN(WT0, fs);
4952 GEN_LOAD_FREG_FTN(WTH0, fs);
4953 GEN_LOAD_FREG_FTN(WT2, fd);
4954 GEN_LOAD_FREG_FTN(WTH2, fd);
4955 gen_movcf_ps(ctx, (ft >> 2) & 0x7, ft & 0x1);
4956 GEN_STORE_FTN_FREG(fd, WT2);
4957 GEN_STORE_FTN_FREG(fd, WTH2);
4961 check_cp1_64bitmode(ctx);
4962 GEN_LOAD_REG_TN(T0, ft);
4963 GEN_LOAD_FREG_FTN(WT0, fs);
4964 GEN_LOAD_FREG_FTN(WTH0, fs);
4965 GEN_LOAD_FREG_FTN(WT2, fd);
4966 GEN_LOAD_FREG_FTN(WTH2, fd);
4967 gen_op_float_movz_ps();
4968 GEN_STORE_FTN_FREG(fd, WT2);
4969 GEN_STORE_FTN_FREG(fd, WTH2);
4973 check_cp1_64bitmode(ctx);
4974 GEN_LOAD_REG_TN(T0, ft);
4975 GEN_LOAD_FREG_FTN(WT0, fs);
4976 GEN_LOAD_FREG_FTN(WTH0, fs);
4977 GEN_LOAD_FREG_FTN(WT2, fd);
4978 GEN_LOAD_FREG_FTN(WTH2, fd);
4979 gen_op_float_movn_ps();
4980 GEN_STORE_FTN_FREG(fd, WT2);
4981 GEN_STORE_FTN_FREG(fd, WTH2);
4985 check_cp1_64bitmode(ctx);
4986 GEN_LOAD_FREG_FTN(WT0, ft);
4987 GEN_LOAD_FREG_FTN(WTH0, ft);
4988 GEN_LOAD_FREG_FTN(WT1, fs);
4989 GEN_LOAD_FREG_FTN(WTH1, fs);
4990 gen_op_float_addr_ps();
4991 GEN_STORE_FTN_FREG(fd, WT2);
4992 GEN_STORE_FTN_FREG(fd, WTH2);
4996 check_cp1_64bitmode(ctx);
4997 GEN_LOAD_FREG_FTN(WT0, ft);
4998 GEN_LOAD_FREG_FTN(WTH0, ft);
4999 GEN_LOAD_FREG_FTN(WT1, fs);
5000 GEN_LOAD_FREG_FTN(WTH1, fs);
5001 gen_op_float_mulr_ps();
5002 GEN_STORE_FTN_FREG(fd, WT2);
5003 GEN_STORE_FTN_FREG(fd, WTH2);
5007 check_cp1_64bitmode(ctx);
5008 GEN_LOAD_FREG_FTN(WT0, fs);
5009 GEN_LOAD_FREG_FTN(WTH0, fs);
5010 GEN_LOAD_FREG_FTN(WT2, fd);
5011 GEN_LOAD_FREG_FTN(WTH2, fd);
5012 gen_op_float_recip2_ps();
5013 GEN_STORE_FTN_FREG(fd, WT2);
5014 GEN_STORE_FTN_FREG(fd, WTH2);
5018 check_cp1_64bitmode(ctx);
5019 GEN_LOAD_FREG_FTN(WT0, fs);
5020 GEN_LOAD_FREG_FTN(WTH0, fs);
5021 gen_op_float_recip1_ps();
5022 GEN_STORE_FTN_FREG(fd, WT2);
5023 GEN_STORE_FTN_FREG(fd, WTH2);
5027 check_cp1_64bitmode(ctx);
5028 GEN_LOAD_FREG_FTN(WT0, fs);
5029 GEN_LOAD_FREG_FTN(WTH0, fs);
5030 gen_op_float_rsqrt1_ps();
5031 GEN_STORE_FTN_FREG(fd, WT2);
5032 GEN_STORE_FTN_FREG(fd, WTH2);
5036 check_cp1_64bitmode(ctx);
5037 GEN_LOAD_FREG_FTN(WT0, fs);
5038 GEN_LOAD_FREG_FTN(WTH0, fs);
5039 GEN_LOAD_FREG_FTN(WT2, fd);
5040 GEN_LOAD_FREG_FTN(WTH2, fd);
5041 gen_op_float_rsqrt2_ps();
5042 GEN_STORE_FTN_FREG(fd, WT2);
5043 GEN_STORE_FTN_FREG(fd, WTH2);
5047 check_cp1_64bitmode(ctx);
5048 GEN_LOAD_FREG_FTN(WTH0, fs);
5049 gen_op_float_cvts_pu();
5050 GEN_STORE_FTN_FREG(fd, WT2);
5054 check_cp1_64bitmode(ctx);
5055 GEN_LOAD_FREG_FTN(WT0, fs);
5056 GEN_LOAD_FREG_FTN(WTH0, fs);
5057 gen_op_float_cvtpw_ps();
5058 GEN_STORE_FTN_FREG(fd, WT2);
5059 GEN_STORE_FTN_FREG(fd, WTH2);
5063 check_cp1_64bitmode(ctx);
5064 GEN_LOAD_FREG_FTN(WT0, fs);
5065 gen_op_float_cvts_pl();
5066 GEN_STORE_FTN_FREG(fd, WT2);
5070 check_cp1_64bitmode(ctx);
5071 GEN_LOAD_FREG_FTN(WT0, fs);
5072 GEN_LOAD_FREG_FTN(WT1, ft);
5073 gen_op_float_pll_ps();
5074 GEN_STORE_FTN_FREG(fd, DT2);
5078 check_cp1_64bitmode(ctx);
5079 GEN_LOAD_FREG_FTN(WT0, fs);
5080 GEN_LOAD_FREG_FTN(WTH1, ft);
5081 gen_op_float_plu_ps();
5082 GEN_STORE_FTN_FREG(fd, DT2);
5086 check_cp1_64bitmode(ctx);
5087 GEN_LOAD_FREG_FTN(WTH0, fs);
5088 GEN_LOAD_FREG_FTN(WT1, ft);
5089 gen_op_float_pul_ps();
5090 GEN_STORE_FTN_FREG(fd, DT2);
5094 check_cp1_64bitmode(ctx);
5095 GEN_LOAD_FREG_FTN(WTH0, fs);
5096 GEN_LOAD_FREG_FTN(WTH1, ft);
5097 gen_op_float_puu_ps();
5098 GEN_STORE_FTN_FREG(fd, DT2);
5117 check_cp1_64bitmode(ctx);
5118 GEN_LOAD_FREG_FTN(WT0, fs);
5119 GEN_LOAD_FREG_FTN(WTH0, fs);
5120 GEN_LOAD_FREG_FTN(WT1, ft);
5121 GEN_LOAD_FREG_FTN(WTH1, ft);
5122 if (ctx->opcode & (1 << 6)) {
5123 gen_cmpabs_ps(func-48, cc);
5124 opn = condnames_abs[func-48];
5126 gen_cmp_ps(func-48, cc);
5127 opn = condnames[func-48];
5132 generate_exception (ctx, EXCP_RI);
5137 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
5140 MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
5143 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
5148 /* Coprocessor 3 (FPU) */
5149 static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
5150 int fd, int fs, int base, int index)
5152 const char *opn = "extended float load/store";
5155 /* All of those work only on 64bit FPUs. */
5156 check_cp1_64bitmode(ctx);
5161 GEN_LOAD_REG_TN(T0, index);
5162 } else if (index == 0) {
5163 GEN_LOAD_REG_TN(T0, base);
5165 GEN_LOAD_REG_TN(T0, base);
5166 GEN_LOAD_REG_TN(T1, index);
5169 /* Don't do NOP if destination is zero: we must perform the actual
5175 GEN_STORE_FTN_FREG(fd, WT0);
5180 GEN_STORE_FTN_FREG(fd, DT0);
5185 GEN_STORE_FTN_FREG(fd, DT0);
5189 GEN_LOAD_FREG_FTN(WT0, fs);
5195 GEN_LOAD_FREG_FTN(DT0, fs);
5201 GEN_LOAD_FREG_FTN(DT0, fs);
5208 generate_exception(ctx, EXCP_RI);
5211 MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
5212 regnames[index], regnames[base]);
5215 static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
5216 int fd, int fr, int fs, int ft)
5218 const char *opn = "flt3_arith";
5220 /* All of those work only on 64bit FPUs. */
5221 check_cp1_64bitmode(ctx);
5224 GEN_LOAD_REG_TN(T0, fr);
5225 GEN_LOAD_FREG_FTN(DT0, fs);
5226 GEN_LOAD_FREG_FTN(DT1, ft);
5227 gen_op_float_alnv_ps();
5228 GEN_STORE_FTN_FREG(fd, DT2);
5232 GEN_LOAD_FREG_FTN(WT0, fs);
5233 GEN_LOAD_FREG_FTN(WT1, ft);
5234 GEN_LOAD_FREG_FTN(WT2, fr);
5235 gen_op_float_muladd_s();
5236 GEN_STORE_FTN_FREG(fd, WT2);
5240 GEN_LOAD_FREG_FTN(DT0, fs);
5241 GEN_LOAD_FREG_FTN(DT1, ft);
5242 GEN_LOAD_FREG_FTN(DT2, fr);
5243 gen_op_float_muladd_d();
5244 GEN_STORE_FTN_FREG(fd, DT2);
5248 GEN_LOAD_FREG_FTN(WT0, fs);
5249 GEN_LOAD_FREG_FTN(WTH0, fs);
5250 GEN_LOAD_FREG_FTN(WT1, ft);
5251 GEN_LOAD_FREG_FTN(WTH1, ft);
5252 GEN_LOAD_FREG_FTN(WT2, fr);
5253 GEN_LOAD_FREG_FTN(WTH2, fr);
5254 gen_op_float_muladd_ps();
5255 GEN_STORE_FTN_FREG(fd, WT2);
5256 GEN_STORE_FTN_FREG(fd, WTH2);
5260 GEN_LOAD_FREG_FTN(WT0, fs);
5261 GEN_LOAD_FREG_FTN(WT1, ft);
5262 GEN_LOAD_FREG_FTN(WT2, fr);
5263 gen_op_float_mulsub_s();
5264 GEN_STORE_FTN_FREG(fd, WT2);
5268 GEN_LOAD_FREG_FTN(DT0, fs);
5269 GEN_LOAD_FREG_FTN(DT1, ft);
5270 GEN_LOAD_FREG_FTN(DT2, fr);
5271 gen_op_float_mulsub_d();
5272 GEN_STORE_FTN_FREG(fd, DT2);
5276 GEN_LOAD_FREG_FTN(WT0, fs);
5277 GEN_LOAD_FREG_FTN(WTH0, fs);
5278 GEN_LOAD_FREG_FTN(WT1, ft);
5279 GEN_LOAD_FREG_FTN(WTH1, ft);
5280 GEN_LOAD_FREG_FTN(WT2, fr);
5281 GEN_LOAD_FREG_FTN(WTH2, fr);
5282 gen_op_float_mulsub_ps();
5283 GEN_STORE_FTN_FREG(fd, WT2);
5284 GEN_STORE_FTN_FREG(fd, WTH2);
5288 GEN_LOAD_FREG_FTN(WT0, fs);
5289 GEN_LOAD_FREG_FTN(WT1, ft);
5290 GEN_LOAD_FREG_FTN(WT2, fr);
5291 gen_op_float_nmuladd_s();
5292 GEN_STORE_FTN_FREG(fd, WT2);
5296 GEN_LOAD_FREG_FTN(DT0, fs);
5297 GEN_LOAD_FREG_FTN(DT1, ft);
5298 GEN_LOAD_FREG_FTN(DT2, fr);
5299 gen_op_float_nmuladd_d();
5300 GEN_STORE_FTN_FREG(fd, DT2);
5304 GEN_LOAD_FREG_FTN(WT0, fs);
5305 GEN_LOAD_FREG_FTN(WTH0, fs);
5306 GEN_LOAD_FREG_FTN(WT1, ft);
5307 GEN_LOAD_FREG_FTN(WTH1, ft);
5308 GEN_LOAD_FREG_FTN(WT2, fr);
5309 GEN_LOAD_FREG_FTN(WTH2, fr);
5310 gen_op_float_nmuladd_ps();
5311 GEN_STORE_FTN_FREG(fd, WT2);
5312 GEN_STORE_FTN_FREG(fd, WTH2);
5316 GEN_LOAD_FREG_FTN(WT0, fs);
5317 GEN_LOAD_FREG_FTN(WT1, ft);
5318 GEN_LOAD_FREG_FTN(WT2, fr);
5319 gen_op_float_nmulsub_s();
5320 GEN_STORE_FTN_FREG(fd, WT2);
5324 GEN_LOAD_FREG_FTN(DT0, fs);
5325 GEN_LOAD_FREG_FTN(DT1, ft);
5326 GEN_LOAD_FREG_FTN(DT2, fr);
5327 gen_op_float_nmulsub_d();
5328 GEN_STORE_FTN_FREG(fd, DT2);
5332 GEN_LOAD_FREG_FTN(WT0, fs);
5333 GEN_LOAD_FREG_FTN(WTH0, fs);
5334 GEN_LOAD_FREG_FTN(WT1, ft);
5335 GEN_LOAD_FREG_FTN(WTH1, ft);
5336 GEN_LOAD_FREG_FTN(WT2, fr);
5337 GEN_LOAD_FREG_FTN(WTH2, fr);
5338 gen_op_float_nmulsub_ps();
5339 GEN_STORE_FTN_FREG(fd, WT2);
5340 GEN_STORE_FTN_FREG(fd, WTH2);
5345 generate_exception (ctx, EXCP_RI);
5348 MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
5349 fregnames[fs], fregnames[ft]);
5352 /* ISA extensions (ASEs) */
5353 /* MIPS16 extension to MIPS32 */
5354 /* SmartMIPS extension to MIPS32 */
5356 #ifdef TARGET_MIPS64
5358 /* MDMX extension to MIPS64 */
5359 /* MIPS-3D extension to MIPS64 */
5363 static void decode_opc (CPUState *env, DisasContext *ctx)
5367 uint32_t op, op1, op2;
5370 /* make sure instructions are on a word boundary */
5371 if (ctx->pc & 0x3) {
5372 env->CP0_BadVAddr = ctx->pc;
5373 generate_exception(ctx, EXCP_AdEL);
5377 if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
5379 /* Handle blikely not taken case */
5380 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
5381 l1 = gen_new_label();
5383 gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK);
5384 gen_goto_tb(ctx, 1, ctx->pc + 4);
5387 op = MASK_OP_MAJOR(ctx->opcode);
5388 rs = (ctx->opcode >> 21) & 0x1f;
5389 rt = (ctx->opcode >> 16) & 0x1f;
5390 rd = (ctx->opcode >> 11) & 0x1f;
5391 sa = (ctx->opcode >> 6) & 0x1f;
5392 imm = (int16_t)ctx->opcode;
5395 op1 = MASK_SPECIAL(ctx->opcode);
5397 case OPC_SLL: /* Arithmetic with immediate */
5398 case OPC_SRL ... OPC_SRA:
5399 gen_arith_imm(ctx, op1, rd, rt, sa);
5401 case OPC_SLLV: /* Arithmetic */
5402 case OPC_SRLV ... OPC_SRAV:
5403 case OPC_MOVZ ... OPC_MOVN:
5404 case OPC_ADD ... OPC_NOR:
5405 case OPC_SLT ... OPC_SLTU:
5406 gen_arith(ctx, op1, rd, rs, rt);
5408 case OPC_MULT ... OPC_DIVU:
5409 gen_muldiv(ctx, op1, rs, rt);
5411 case OPC_JR ... OPC_JALR:
5412 gen_compute_branch(ctx, op1, rs, rd, sa);
5414 case OPC_TGE ... OPC_TEQ: /* Traps */
5416 gen_trap(ctx, op1, rs, rt, -1);
5418 case OPC_MFHI: /* Move from HI/LO */
5420 gen_HILO(ctx, op1, rd);
5423 case OPC_MTLO: /* Move to HI/LO */
5424 gen_HILO(ctx, op1, rs);
5426 case OPC_PMON: /* Pmon entry point, also R4010 selsl */
5427 #ifdef MIPS_STRICT_STANDARD
5428 MIPS_INVAL("PMON / selsl");
5429 generate_exception(ctx, EXCP_RI);
5435 generate_exception(ctx, EXCP_SYSCALL);
5438 /* XXX: Hack to work around wrong handling of self-modifying code. */
5440 save_cpu_state(ctx, 1);
5442 generate_exception(ctx, EXCP_BREAK);
5445 #ifdef MIPS_STRICT_STANDARD
5447 generate_exception(ctx, EXCP_RI);
5449 /* Implemented as RI exception for now. */
5450 MIPS_INVAL("spim (unofficial)");
5451 generate_exception(ctx, EXCP_RI);
5455 /* Treat as a noop. */
5459 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5460 save_cpu_state(ctx, 1);
5461 check_cp1_enabled(ctx);
5462 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
5463 (ctx->opcode >> 16) & 1);
5465 generate_exception_err(ctx, EXCP_CpU, 1);
5469 #ifdef TARGET_MIPS64
5470 /* MIPS64 specific opcodes */
5472 case OPC_DSRL ... OPC_DSRA:
5474 case OPC_DSRL32 ... OPC_DSRA32:
5475 if (!(ctx->hflags & MIPS_HFLAG_64))
5476 generate_exception(ctx, EXCP_RI);
5477 gen_arith_imm(ctx, op1, rd, rt, sa);
5480 case OPC_DSRLV ... OPC_DSRAV:
5481 case OPC_DADD ... OPC_DSUBU:
5482 if (!(ctx->hflags & MIPS_HFLAG_64))
5483 generate_exception(ctx, EXCP_RI);
5484 gen_arith(ctx, op1, rd, rs, rt);
5486 case OPC_DMULT ... OPC_DDIVU:
5487 if (!(ctx->hflags & MIPS_HFLAG_64))
5488 generate_exception(ctx, EXCP_RI);
5489 gen_muldiv(ctx, op1, rs, rt);
5492 default: /* Invalid */
5493 MIPS_INVAL("special");
5494 generate_exception(ctx, EXCP_RI);
5499 op1 = MASK_SPECIAL2(ctx->opcode);
5501 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
5502 case OPC_MSUB ... OPC_MSUBU:
5503 gen_muldiv(ctx, op1, rs, rt);
5506 gen_arith(ctx, op1, rd, rs, rt);
5508 case OPC_CLZ ... OPC_CLO:
5509 gen_cl(ctx, op1, rd, rs);
5512 /* XXX: not clear which exception should be raised
5513 * when in debug mode...
5515 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
5516 generate_exception(ctx, EXCP_DBp);
5518 generate_exception(ctx, EXCP_DBp);
5520 /* Treat as a noop */
5522 #ifdef TARGET_MIPS64
5523 case OPC_DCLZ ... OPC_DCLO:
5524 if (!(ctx->hflags & MIPS_HFLAG_64))
5525 generate_exception(ctx, EXCP_RI);
5526 gen_cl(ctx, op1, rd, rs);
5529 default: /* Invalid */
5530 MIPS_INVAL("special2");
5531 generate_exception(ctx, EXCP_RI);
5536 check_mips_r2(env, ctx);
5537 op1 = MASK_SPECIAL3(ctx->opcode);
5541 gen_bitops(ctx, op1, rt, rs, sa, rd);
5544 op2 = MASK_BSHFL(ctx->opcode);
5547 GEN_LOAD_REG_TN(T1, rt);
5551 GEN_LOAD_REG_TN(T1, rt);
5555 GEN_LOAD_REG_TN(T1, rt);
5558 default: /* Invalid */
5559 MIPS_INVAL("bshfl");
5560 generate_exception(ctx, EXCP_RI);
5563 GEN_STORE_TN_REG(rd, T0);
5568 save_cpu_state(ctx, 1);
5569 gen_op_rdhwr_cpunum();
5572 save_cpu_state(ctx, 1);
5573 gen_op_rdhwr_synci_step();
5576 save_cpu_state(ctx, 1);
5580 save_cpu_state(ctx, 1);
5581 gen_op_rdhwr_ccres();
5584 #if defined (CONFIG_USER_ONLY)
5585 gen_op_tls_value ();
5588 default: /* Invalid */
5589 MIPS_INVAL("rdhwr");
5590 generate_exception(ctx, EXCP_RI);
5593 GEN_STORE_TN_REG(rt, T0);
5595 #ifdef TARGET_MIPS64
5596 case OPC_DEXTM ... OPC_DEXT:
5597 case OPC_DINSM ... OPC_DINS:
5598 if (!(ctx->hflags & MIPS_HFLAG_64))
5599 generate_exception(ctx, EXCP_RI);
5600 gen_bitops(ctx, op1, rt, rs, sa, rd);
5603 if (!(ctx->hflags & MIPS_HFLAG_64))
5604 generate_exception(ctx, EXCP_RI);
5605 op2 = MASK_DBSHFL(ctx->opcode);
5608 GEN_LOAD_REG_TN(T1, rt);
5612 GEN_LOAD_REG_TN(T1, rt);
5615 default: /* Invalid */
5616 MIPS_INVAL("dbshfl");
5617 generate_exception(ctx, EXCP_RI);
5620 GEN_STORE_TN_REG(rd, T0);
5622 default: /* Invalid */
5623 MIPS_INVAL("special3");
5624 generate_exception(ctx, EXCP_RI);
5629 op1 = MASK_REGIMM(ctx->opcode);
5631 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
5632 case OPC_BLTZAL ... OPC_BGEZALL:
5633 gen_compute_branch(ctx, op1, rs, -1, imm << 2);
5635 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
5637 gen_trap(ctx, op1, rs, -1, imm);
5640 check_mips_r2(env, ctx);
5643 default: /* Invalid */
5644 MIPS_INVAL("regimm");
5645 generate_exception(ctx, EXCP_RI);
5650 save_cpu_state(ctx, 1);
5651 gen_op_cp0_enabled();
5652 op1 = MASK_CP0(ctx->opcode);
5656 #ifdef TARGET_MIPS64
5660 gen_cp0(env, ctx, op1, rt, rd);
5662 case OPC_C0_FIRST ... OPC_C0_LAST:
5663 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
5666 check_mips_r2(env, ctx);
5667 op2 = MASK_MFMC0(ctx->opcode);
5671 /* Stop translation as we may have switched the execution mode */
5672 ctx->bstate = BS_STOP;
5676 /* Stop translation as we may have switched the execution mode */
5677 ctx->bstate = BS_STOP;
5679 default: /* Invalid */
5680 MIPS_INVAL("mfmc0");
5681 generate_exception(ctx, EXCP_RI);
5684 GEN_STORE_TN_REG(rt, T0);
5688 check_mips_r2(env, ctx);
5689 /* Shadow registers not implemented. */
5690 GEN_LOAD_REG_TN(T0, rt);
5691 GEN_STORE_TN_REG(rd, T0);
5695 generate_exception(ctx, EXCP_RI);
5699 case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */
5700 gen_arith_imm(ctx, op, rt, rs, imm);
5702 case OPC_J ... OPC_JAL: /* Jump */
5703 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
5704 gen_compute_branch(ctx, op, rs, rt, offset);
5706 case OPC_BEQ ... OPC_BGTZ: /* Branch */
5707 case OPC_BEQL ... OPC_BGTZL:
5708 gen_compute_branch(ctx, op, rs, rt, imm << 2);
5710 case OPC_LB ... OPC_LWR: /* Load and stores */
5711 case OPC_SB ... OPC_SW:
5715 gen_ldst(ctx, op, rt, rs, imm);
5718 /* Treat as a noop */
5721 /* Treat as a noop */
5724 /* Floating point (COP1). */
5729 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5730 save_cpu_state(ctx, 1);
5731 check_cp1_enabled(ctx);
5732 gen_flt_ldst(ctx, op, rt, rs, imm);
5734 generate_exception_err(ctx, EXCP_CpU, 1);
5739 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5740 save_cpu_state(ctx, 1);
5741 check_cp1_enabled(ctx);
5742 op1 = MASK_CP1(ctx->opcode);
5746 check_mips_r2(env, ctx);
5751 #ifdef TARGET_MIPS64
5755 gen_cp1(ctx, op1, rt, rd);
5760 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
5761 (rt >> 2) & 0x7, imm << 2);
5768 gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa,
5773 generate_exception (ctx, EXCP_RI);
5777 generate_exception_err(ctx, EXCP_CpU, 1);
5787 /* COP2: Not implemented. */
5788 generate_exception_err(ctx, EXCP_CpU, 2);
5792 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
5793 save_cpu_state(ctx, 1);
5794 check_cp1_enabled(ctx);
5795 op1 = MASK_CP3(ctx->opcode);
5803 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
5821 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
5825 generate_exception (ctx, EXCP_RI);
5829 generate_exception_err(ctx, EXCP_CpU, 1);
5833 #ifdef TARGET_MIPS64
5834 /* MIPS64 opcodes */
5836 case OPC_LDL ... OPC_LDR:
5837 case OPC_SDL ... OPC_SDR:
5842 if (!(ctx->hflags & MIPS_HFLAG_64))
5843 generate_exception(ctx, EXCP_RI);
5844 gen_ldst(ctx, op, rt, rs, imm);
5846 case OPC_DADDI ... OPC_DADDIU:
5847 if (!(ctx->hflags & MIPS_HFLAG_64))
5848 generate_exception(ctx, EXCP_RI);
5849 gen_arith_imm(ctx, op, rt, rs, imm);
5852 #ifdef MIPS_HAS_MIPS16
5854 /* MIPS16: Not implemented. */
5856 #ifdef MIPS_HAS_MDMX
5858 /* MDMX: Not implemented. */
5860 default: /* Invalid */
5861 MIPS_INVAL("major opcode");
5862 generate_exception(ctx, EXCP_RI);
5865 if (ctx->hflags & MIPS_HFLAG_BMASK) {
5866 int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
5867 /* Branches completion */
5868 ctx->hflags &= ~MIPS_HFLAG_BMASK;
5869 ctx->bstate = BS_BRANCH;
5870 save_cpu_state(ctx, 0);
5873 /* unconditional branch */
5874 MIPS_DEBUG("unconditional branch");
5875 gen_goto_tb(ctx, 0, ctx->btarget);
5878 /* blikely taken case */
5879 MIPS_DEBUG("blikely branch taken");
5880 gen_goto_tb(ctx, 0, ctx->btarget);
5883 /* Conditional branch */
5884 MIPS_DEBUG("conditional branch");
5887 l1 = gen_new_label();
5889 gen_goto_tb(ctx, 1, ctx->pc + 4);
5891 gen_goto_tb(ctx, 0, ctx->btarget);
5895 /* unconditional branch to register */
5896 MIPS_DEBUG("branch to register");
5902 MIPS_DEBUG("unknown branch");
5909 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
5913 target_ulong pc_start;
5914 uint16_t *gen_opc_end;
5917 if (search_pc && loglevel)
5918 fprintf (logfile, "search pc %d\n", search_pc);
5921 gen_opc_ptr = gen_opc_buf;
5922 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
5923 gen_opparam_ptr = gen_opparam_buf;
5928 ctx.bstate = BS_NONE;
5929 /* Restore delay slot state from the tb context. */
5930 ctx.hflags = tb->flags;
5931 restore_cpu_state(env, &ctx);
5932 #if defined(CONFIG_USER_ONLY)
5935 ctx.mem_idx = !((ctx.hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM);
5938 if (loglevel & CPU_LOG_TB_CPU) {
5939 fprintf(logfile, "------------------------------------------------\n");
5940 /* FIXME: This may print out stale hflags from env... */
5941 cpu_dump_state(env, logfile, fprintf, 0);
5944 #ifdef MIPS_DEBUG_DISAS
5945 if (loglevel & CPU_LOG_TB_IN_ASM)
5946 fprintf(logfile, "\ntb %p super %d cond %04x\n",
5947 tb, ctx.mem_idx, ctx.hflags);
5949 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
5950 if (env->nb_breakpoints > 0) {
5951 for(j = 0; j < env->nb_breakpoints; j++) {
5952 if (env->breakpoints[j] == ctx.pc) {
5953 save_cpu_state(&ctx, 1);
5954 ctx.bstate = BS_BRANCH;
5956 goto done_generating;
5962 j = gen_opc_ptr - gen_opc_buf;
5966 gen_opc_instr_start[lj++] = 0;
5968 gen_opc_pc[lj] = ctx.pc;
5969 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
5970 gen_opc_instr_start[lj] = 1;
5972 ctx.opcode = ldl_code(ctx.pc);
5973 decode_opc(env, &ctx);
5976 if (env->singlestep_enabled)
5979 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
5982 #if defined (MIPS_SINGLE_STEP)
5986 if (env->singlestep_enabled) {
5987 save_cpu_state(&ctx, ctx.bstate == BS_NONE);
5990 switch (ctx.bstate) {
5992 gen_op_interrupt_restart();
5993 gen_goto_tb(&ctx, 0, ctx.pc);
5996 save_cpu_state(&ctx, 0);
5997 gen_goto_tb(&ctx, 0, ctx.pc);
6000 gen_op_interrupt_restart();
6010 *gen_opc_ptr = INDEX_op_end;
6012 j = gen_opc_ptr - gen_opc_buf;
6015 gen_opc_instr_start[lj++] = 0;
6018 tb->size = ctx.pc - pc_start;
6021 #if defined MIPS_DEBUG_DISAS
6022 if (loglevel & CPU_LOG_TB_IN_ASM)
6023 fprintf(logfile, "\n");
6025 if (loglevel & CPU_LOG_TB_IN_ASM) {
6026 fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
6027 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
6028 fprintf(logfile, "\n");
6030 if (loglevel & CPU_LOG_TB_OP) {
6031 fprintf(logfile, "OP:\n");
6032 dump_ops(gen_opc_buf, gen_opparam_buf);
6033 fprintf(logfile, "\n");
6035 if (loglevel & CPU_LOG_TB_CPU) {
6036 fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
6043 int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
6045 return gen_intermediate_code_internal(env, tb, 0);
6048 int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
6050 return gen_intermediate_code_internal(env, tb, 1);
6053 void fpu_dump_state(CPUState *env, FILE *f,
6054 int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
6058 int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
6060 #define printfpr(fp) \
6063 fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
6064 (fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \
6065 (fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \
6068 tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
6069 tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
6070 fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
6071 tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \
6072 tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \
6077 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
6078 env->fcr0, env->fcr31, is_fpu64, env->fp_status, get_float_exception_flags(&env->fp_status));
6079 fpu_fprintf(f, "FT0: "); printfpr(&env->ft0);
6080 fpu_fprintf(f, "FT1: "); printfpr(&env->ft1);
6081 fpu_fprintf(f, "FT2: "); printfpr(&env->ft2);
6082 for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
6083 fpu_fprintf(f, "%3s: ", fregnames[i]);
6084 printfpr(&env->fpr[i]);
6090 void dump_fpu (CPUState *env)
6093 fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
6094 env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
6095 fpu_dump_state(env, logfile, fprintf, 0);
6099 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
6100 /* Debug help: The architecture requires 32bit code to maintain proper
6101 sign-extened values on 64bit machines. */
6103 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
6105 void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
6106 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
6111 if (!SIGN_EXT_P(env->PC))
6112 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC);
6113 if (!SIGN_EXT_P(env->HI))
6114 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI);
6115 if (!SIGN_EXT_P(env->LO))
6116 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO);
6117 if (!SIGN_EXT_P(env->btarget))
6118 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
6120 for (i = 0; i < 32; i++) {
6121 if (!SIGN_EXT_P(env->gpr[i]))
6122 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[i]);
6125 if (!SIGN_EXT_P(env->CP0_EPC))
6126 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
6127 if (!SIGN_EXT_P(env->CP0_LLAddr))
6128 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr);
6132 void cpu_dump_state (CPUState *env, FILE *f,
6133 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
6138 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",
6139 env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
6140 for (i = 0; i < 32; i++) {
6142 cpu_fprintf(f, "GPR%02d:", i);
6143 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[i]);
6145 cpu_fprintf(f, "\n");
6148 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
6149 env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
6150 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
6151 env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
6152 if (env->hflags & MIPS_HFLAG_FPU)
6153 fpu_dump_state(env, f, cpu_fprintf, flags);
6154 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
6155 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
6159 CPUMIPSState *cpu_mips_init (void)
6163 env = qemu_mallocz(sizeof(CPUMIPSState));
6171 void cpu_reset (CPUMIPSState *env)
6173 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
6178 #if !defined(CONFIG_USER_ONLY)
6179 if (env->hflags & MIPS_HFLAG_BMASK) {
6180 /* If the exception was raised from a delay slot,
6181 * come back to the jump. */
6182 env->CP0_ErrorEPC = env->PC - 4;
6184 env->CP0_ErrorEPC = env->PC;
6186 #ifdef TARGET_MIPS64
6187 env->hflags = MIPS_HFLAG_64;
6191 env->PC = (int32_t)0xBFC00000;
6193 /* SMP not implemented */
6194 env->CP0_EBase = 0x80000000;
6195 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
6196 /* vectored interrupts not implemented, timer on int 7,
6197 no performance counters. */
6198 env->CP0_IntCtl = 0xe0000000;
6202 for (i = 0; i < 7; i++) {
6203 env->CP0_WatchLo[i] = 0;
6204 env->CP0_WatchHi[i] = 0x80000000;
6206 env->CP0_WatchLo[7] = 0;
6207 env->CP0_WatchHi[7] = 0;
6209 /* Count register increments in debug mode, EJTAG version 1 */
6210 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
6212 env->exception_index = EXCP_NONE;
6213 #if defined(CONFIG_USER_ONLY)
6214 env->hflags |= MIPS_HFLAG_UM;
6215 env->user_mode_only = 1;
6219 #include "translate_init.c"