4 #include "remote-sim.h"
9 #define MEM_SIZE 18 /* V850 memory size is 18 bits XXX */
11 host_callback *v850_callback;
16 static struct hash_entry *lookup_hash PARAMS ((uint32 ins));
21 struct hash_entry *next;
27 struct hash_entry hash_table[MAX_HASH+1];
33 if ((insn & 0x0600) == 0
34 || (insn & 0x0700) == 0x0200)
35 return (insn & 0x07e0) >> 5;
36 if ((insn & 0x0700) == 0x0300
37 || (insn & 0x0700) == 0x0400
38 || (insn & 0x0700) == 0x0500)
39 return (insn & 0x0780) >> 7;
40 if ((insn & 0x0700) == 0x0600)
41 return (insn & 0x07e0) >> 5;
42 if ((insn & 0x0780) == 0x0700)
43 return (insn & 0x07e0) >> 5;
44 if ((insn & 0x07c0) == 0x0780)
45 return (insn & 0x07c0) >> 6;
46 if ((insn & 0x07E0) == 0x07C0)
47 return (insn & 0x07e0) >> 5;
48 return (insn & 0x07e0) >> 5;
51 static struct hash_entry *
57 h = &hash_table[hash(ins)];
59 while ( (ins & h->mask) != h->opcode)
63 printf ("ERROR looking up hash for %x\n",ins);
83 return (a[1] << 8) + (a[0]);
91 return (a[3]<<24) + (a[2]<<16) + (a[1]<<8) + (a[0]);
104 put_half (addr, data)
110 a[1] = (data >> 8) & 0xff;
114 put_word (addr, data)
120 a[1] = (data >> 8) & 0xff;
121 a[2] = (data >> 16) & 0xff;
122 a[3] = (data >> 24) & 0xff;
129 struct hash_entry *h;
131 h = lookup_hash (insn);
133 OP[1] = (insn >> 11) & 0x1f;
141 struct hash_entry *h;
143 h = lookup_hash (insn);
144 OP[0] = (((insn & 0x70) >> 4) | ((insn & 0xf800) >> 8)) << 1;
152 struct hash_entry *h;
154 h = lookup_hash (insn);
155 OP[0] = (insn >> 11) & 0x1f;
156 OP[1] = (insn & 0x7f);
164 struct hash_entry *h;
166 h = lookup_hash (insn);
167 OP[0] = (((insn & 0x3f) << 15) | ((insn >> 17) & 0x7fff)) << 1;
168 OP[1] = (insn >> 11) & 0x1f;
176 struct hash_entry *h;
178 h = lookup_hash (insn);
179 OP[0] = (insn >> 16) & 0xffff;
181 OP[2] = (insn >> 11) & 0x1f;
189 struct hash_entry *h;
191 h = lookup_hash (insn);
193 OP[1] = (insn >> 11) & 0x1f;
194 OP[2] = (insn >> 16) & 0xffff;
202 struct hash_entry *h;
204 h = lookup_hash (insn);
206 OP[1] = (insn >> 11) & 0x7;
207 OP[2] = (insn >> 16) & 0xffff;
212 do_formats_9_10 (insn)
215 struct hash_entry *h;
217 h = lookup_hash (insn);
219 OP[1] = (insn >> 11) & 0x1f;
233 State.mem = (uint8 *)calloc(1,1<<MEM_SIZE);
236 fprintf (stderr,"Memory allocation failed.\n");
249 sim_write (addr, buffer, size)
251 unsigned char *buffer;
257 for (i = 0; i < size; i++)
259 State.mem[i+addr] = buffer[i];
269 struct hash_entry *h, *prev;
271 printf ("sim_open %s\n",args);
273 /* put all the opcodes in the hash table */
274 for (s = Simops; s->func; s++)
276 h = &hash_table[hash(s->opcode)];
278 /* go to the last entry in the chain */
284 h->next = calloc(1,sizeof(struct hash_entry));
289 h->opcode = s->opcode;
305 printf ("sim_set_profile %d\n",n);
309 sim_set_profile_size (n)
312 printf ("sim_set_profile_size %d\n",n);
316 sim_resume (step, siggnal)
325 State.exception = SIGTRAP;
333 opcode = (inst & 0x07e0) >> 5;
334 if ((opcode & 0x30) == 0
335 || (opcode & 0x38) == 0x10)
337 do_format_1_2 (inst & 0xffff);
340 else if ((opcode & 0x3C) == 0x18
341 || (opcode & 0x3C) == 0x1C
342 || (opcode & 0x3C) == 0x20
343 || (opcode & 0x3C) == 0x24
344 || (opcode & 0x3C) == 0x28)
346 do_format_4 (inst & 0xffff);
349 else if ((opcode & 0x3C) == 0x2C)
351 do_format_3 (inst & 0xffff);
352 /* No PC update, it's done in the instruction. */
354 else if ((opcode & 0x38) == 0x30)
359 else if ((opcode & 0x3C) == 0x38)
364 else if ((opcode & 0x3E) == 0x3C)
367 /* No PC update, it's done in the instruction. */
369 else if ((opcode & 0x3F) == 0x3E)
376 do_formats_9_10 (inst);
380 while (!State.exception);
386 printf ("sim_trace\n");
394 printf ("sim_info\n");
398 sim_create_inferior (start_address, argv, env)
399 SIM_ADDR start_address;
420 /* All the code for exiting, signals, etc needs to be revamped.
422 This is enough to get c-torture limping though. */
424 sim_stop_reason (reason, sigrc)
425 enum sim_stop *reason;
429 *reason = sim_stopped;
430 if (State.exception == SIGQUIT)
433 *sigrc = State.exception;
437 sim_fetch_register (rn, memory)
439 unsigned char *memory;
441 *(uint32 *)memory = State.regs[rn];
445 sim_store_register (rn, memory)
447 unsigned char *memory;
449 State.regs[rn]= *(uint32 *)memory;
452 sim_read (addr, buffer, size)
454 unsigned char *buffer;
458 for (i = 0; i < size; i++)
460 buffer[i] = State.mem[addr + i];
469 printf("sim_do_command: %s\n",cmd);
473 sim_load (prog, from_tty)
477 /* Return nonzero so GDB will handle it. */