4 #include "sys/syscall.h"
34 static void trace_input PARAMS ((char *name, enum op_types type, int size));
35 static void trace_output PARAMS ((enum op_types result));
36 static int init_text_p = 0;
37 static asection *text;
38 static bfd_vma text_start;
39 static bfd_vma text_end;
42 #ifndef SIZE_INSTRUCTION
43 #define SIZE_INSTRUCTION 6
47 #define SIZE_OPERANDS 16
51 #define SIZE_VALUES 11
55 #define SIZE_LOCATION 40
59 trace_input (name, type, size)
71 const char *functionname;
72 unsigned int linenumber;
74 if ((v850_debug & DEBUG_TRACE) == 0)
81 for (s = exec_bfd->sections; s; s = s->next)
82 if (strcmp (bfd_get_section_name (exec_bfd, s), ".text") == 0)
85 text_start = bfd_get_section_vma (exec_bfd, s);
86 text_end = text_start + bfd_section_size (exec_bfd, s);
91 if (text && PC >= text_start && PC < text_end)
93 filename = (const char *)0;
94 functionname = (const char *)0;
96 if (bfd_find_nearest_line (exec_bfd, text, (struct symbol_cache_entry **)0, PC - text_start,
97 &filename, &functionname, &linenumber))
102 sprintf (p, "Line %5d ", linenumber);
108 sprintf (p, "Func %s ", functionname);
113 char *q = (char *) strrchr (filename, '/');
114 sprintf (p, "File %s ", (q) ? q+1 : filename);
123 (*v850_callback->printf_filtered) (v850_callback, "0x%.8x: %-*.*s %-*s",
125 SIZE_LOCATION, SIZE_LOCATION, buf,
126 SIZE_INSTRUCTION, name);
133 strcpy (buf, "unknown");
137 sprintf (buf, "%d", OP[0]);
141 sprintf (buf, "r%d", OP[0]);
146 case OP_REG_REG_MOVE:
147 sprintf (buf, "r%d,r%d", OP[0], OP[1]);
152 case OP_IMM_REG_MOVE:
153 sprintf (buf, "%d,r%d", OP[1], OP[0]);
157 sprintf (buf, "%d", SEXT9 (OP[0]));
161 sprintf (buf, "%d[r30],r%d", SEXT7 (OP[1]) * size, OP[0]);
165 sprintf (buf, "r%d,%d[r30]", OP[0], SEXT7 (OP[1]) * size);
169 sprintf (buf, "%d[r%d],r%d", SEXT16 (OP[2]), OP[0], OP[1]);
173 sprintf (buf, "r%d,%d[r%d]", OP[1], SEXT16 (OP[2]), OP[0]);
177 sprintf (buf, "%d,r%d", SEXT22 (OP[0]), OP[1]);
181 sprintf (buf, "%d,r%d,r%d", SEXT16 (OP[0]), OP[1], OP[2]);
184 case OP_UIMM_REG_REG:
185 sprintf (buf, "%d,r%d,r%d", OP[0] & 0xffff, OP[1], OP[2]);
189 sprintf (buf, "%d,%d[r%d]", OP[1] & 0x7, SEXT16 (OP[2]), OP[0]);
195 default: cond = "?"; break;
196 case 0x0: cond = "v"; break;
197 case 0x1: cond = "c"; break;
198 case 0x2: cond = "z"; break;
199 case 0x3: cond = "nh"; break;
200 case 0x4: cond = "s"; break;
201 case 0x5: cond = "t"; break;
202 case 0x6: cond = "lt"; break;
203 case 0x7: cond = "le"; break;
204 case 0x8: cond = "nv"; break;
205 case 0x9: cond = "nc"; break;
206 case 0xa: cond = "nz"; break;
207 case 0xb: cond = "h"; break;
208 case 0xc: cond = "ns"; break;
209 case 0xd: cond = "sa"; break;
210 case 0xe: cond = "ge"; break;
211 case 0xf: cond = "gt"; break;
214 sprintf (buf, "%s,r%d", cond, OP[1]);
223 sprintf (buf, "r%d,s%d", OP[0], OP[1]);
227 if ((v850_debug & DEBUG_VALUES) == 0)
229 (*v850_callback->printf_filtered) (v850_callback, "%s\n", buf);
233 (*v850_callback->printf_filtered) (v850_callback, "%-*s", SIZE_OPERANDS, buf);
244 case OP_REG_REG_MOVE:
245 values[0] = State.regs[OP[0]];
251 values[0] = State.regs[OP[1]];
252 values[1] = State.regs[OP[0]];
258 values[0] = SEXT5 (OP[0]);
263 case OP_IMM_REG_MOVE:
264 values[0] = SEXT5 (OP[0]);
269 values[0] = State.pc;
270 values[1] = SEXT9 (OP[0]);
271 values[2] = State.sregs[5];
276 values[0] = SEXT7 (OP[1]) * size;
277 values[1] = State.regs[30];
282 values[0] = State.regs[OP[0]];
283 values[1] = SEXT7 (OP[1]) * size;
284 values[2] = State.regs[30];
289 values[0] = SEXT16 (OP[2]);
290 values[1] = State.regs[OP[0]];
295 values[0] = State.regs[OP[1]];
296 values[1] = SEXT16 (OP[2]);
297 values[2] = State.regs[OP[0]];
302 values[0] = SEXT22 (OP[0]);
303 values[1] = State.pc;
308 values[0] = SEXT16 (OP[0]) << size;
309 values[1] = State.regs[OP[1]];
313 case OP_UIMM_REG_REG:
314 values[0] = (OP[0] & 0xffff) << size;
315 values[1] = State.regs[OP[1]];
324 values[0] = State.sregs[5];
333 values[0] = State.regs[OP[0]];
338 values[0] = State.sregs[OP[1]];
342 for (i = 0; i < num_values; i++)
343 (*v850_callback->printf_filtered) (v850_callback, "%*s0x%.8lx", SIZE_VALUES - 10, "", values[i]);
346 (*v850_callback->printf_filtered) (v850_callback, "%*s", SIZE_VALUES, "");
351 trace_output (result)
352 enum op_types result;
354 if ((v850_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
374 (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
375 (unsigned long)State.regs[OP[0]]);
379 case OP_REG_REG_MOVE:
381 case OP_IMM_REG_MOVE:
384 (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
385 (unsigned long)State.regs[OP[1]]);
389 case OP_UIMM_REG_REG:
390 (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
391 (unsigned long)State.regs[OP[2]]);
396 (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
397 (unsigned long)State.regs[OP[1]]);
401 (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
402 (unsigned long)State.sregs[OP[1]]);
406 (*v850_callback->printf_filtered) (v850_callback, "\n");
411 #define trace_input(NAME, IN1, IN2)
412 #define trace_output(RESULT)
423 trace_input ("sld.b", OP_LOAD16, 1);
427 result = get_byte (State.mem + State.regs[30] + op2);
428 State.regs[OP[0]] = SEXT8 (result);
429 trace_output (OP_LOAD16);
439 trace_input ("sld.h", OP_LOAD16, 2);
443 result = get_half (State.mem + State.regs[30] + op2);
444 State.regs[OP[0]] = SEXT16 (result);
445 trace_output (OP_LOAD16);
455 trace_input ("sld.w", OP_LOAD16, 4);
459 result = get_word (State.mem + State.regs[30] + op2);
460 State.regs[OP[0]] = result;
461 trace_output (OP_LOAD16);
468 unsigned int op0, op1;
471 trace_input ("sst.b", OP_STORE16, 1);
472 op0 = State.regs[OP[0]];
476 put_byte (State.mem + State.regs[30] + op1, op0);
477 trace_output (OP_STORE16);
484 unsigned int op0, op1;
487 trace_input ("sst.h", OP_STORE16, 2);
488 op0 = State.regs[OP[0]];
492 put_half (State.mem + State.regs[30] + op1, op0);
493 trace_output (OP_STORE16);
500 unsigned int op0, op1;
503 trace_input ("sst.w", OP_STORE16, 4);
504 op0 = State.regs[OP[0]];
508 put_word (State.mem + State.regs[30] + op1, op0);
509 trace_output (OP_STORE16);
516 unsigned int op0, op2;
519 trace_input ("ld.b", OP_LOAD32, 1);
520 op0 = State.regs[OP[0]];
521 temp = SEXT16 (OP[2]);
523 result = get_byte (State.mem + op0 + op2);
524 State.regs[OP[1]] = SEXT8 (result);
525 trace_output (OP_LOAD32);
532 unsigned int op0, op2;
535 trace_input ("ld.h", OP_LOAD32, 2);
536 op0 = State.regs[OP[0]];
537 temp = SEXT16 (OP[2]);
540 result = get_half (State.mem + op0 + op2);
541 State.regs[OP[1]] = SEXT16 (result);
542 trace_output (OP_LOAD32);
549 unsigned int op0, op2;
552 trace_input ("ld.w", OP_LOAD32, 4);
553 op0 = State.regs[OP[0]];
554 temp = SEXT16 (OP[2]);
557 result = get_word (State.mem + op0 + op2);
558 State.regs[OP[1]] = result;
559 trace_output (OP_LOAD32);
566 unsigned int op0, op1, op2;
569 trace_input ("st.b", OP_STORE32, 1);
570 op0 = State.regs[OP[0]];
571 op1 = State.regs[OP[1]];
572 temp = SEXT16 (OP[2]);
574 put_byte (State.mem + op0 + op2, op1);
575 trace_output (OP_STORE32);
582 unsigned int op0, op1, op2;
585 trace_input ("st.h", OP_STORE32, 2);
586 op0 = State.regs[OP[0]];
587 op1 = State.regs[OP[1]];
588 temp = SEXT16 (OP[2] & ~0x1);
590 put_half (State.mem + op0 + op2, op1);
591 trace_output (OP_STORE32);
598 unsigned int op0, op1, op2;
601 trace_input ("st.w", OP_STORE32, 4);
602 op0 = State.regs[OP[0]];
603 op1 = State.regs[OP[1]];
604 temp = SEXT16 (OP[2] & ~0x1);
606 put_word (State.mem + op0 + op2, op1);
607 trace_output (OP_STORE32);
617 trace_input ("bv", OP_COND_BR, 0);
619 psw = State.sregs[5];
621 if ((psw & PSW_OV) != 0)
625 trace_output (OP_COND_BR);
635 trace_input ("bl", OP_COND_BR, 0);
637 psw = State.sregs[5];
639 if ((psw & PSW_CY) != 0)
643 trace_output (OP_COND_BR);
653 trace_input ("be", OP_COND_BR, 0);
655 psw = State.sregs[5];
657 if ((psw & PSW_Z) != 0)
661 trace_output (OP_COND_BR);
671 trace_input ("bnh", OP_COND_BR, 0);
673 psw = State.sregs[5];
675 if ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) != 0)
679 trace_output (OP_COND_BR);
689 trace_input ("bn", OP_COND_BR, 0);
691 psw = State.sregs[5];
693 if ((psw & PSW_S) != 0)
697 trace_output (OP_COND_BR);
707 trace_input ("br", OP_COND_BR, 0);
710 trace_output (OP_COND_BR);
720 trace_input ("blt", OP_COND_BR, 0);
722 psw = State.sregs[5];
724 if ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) != 0)
728 trace_output (OP_COND_BR);
738 trace_input ("ble", OP_COND_BR, 0);
740 psw = State.sregs[5];
742 if ((((psw & PSW_Z) != 0)
743 || (((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))) != 0)
747 trace_output (OP_COND_BR);
757 trace_input ("bnv", OP_COND_BR, 0);
759 psw = State.sregs[5];
761 if ((psw & PSW_OV) == 0)
765 trace_output (OP_COND_BR);
775 trace_input ("bnl", OP_COND_BR, 0);
777 psw = State.sregs[5];
779 if ((psw & PSW_CY) == 0)
783 trace_output (OP_COND_BR);
793 trace_input ("bne", OP_COND_BR, 0);
795 psw = State.sregs[5];
797 if ((psw & PSW_Z) == 0)
801 trace_output (OP_COND_BR);
811 trace_input ("bh", OP_COND_BR, 0);
813 psw = State.sregs[5];
815 if ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) == 0)
819 trace_output (OP_COND_BR);
829 trace_input ("bp", OP_COND_BR, 0);
831 psw = State.sregs[5];
833 if ((psw & PSW_S) == 0)
837 trace_output (OP_COND_BR);
847 trace_input ("bsa", OP_COND_BR, 0);
849 psw = State.sregs[5];
851 if ((psw & PSW_SAT) != 0)
855 trace_output (OP_COND_BR);
865 trace_input ("bge", OP_COND_BR, 0);
867 psw = State.sregs[5];
869 if ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) == 0)
873 trace_output (OP_COND_BR);
883 trace_input ("bgt", OP_COND_BR, 0);
885 psw = State.sregs[5];
887 if ((((psw & PSW_Z) != 0)
888 || (((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))) == 0)
892 trace_output (OP_COND_BR);
899 /* interp.c will bump this by +2, so correct for it here. */
900 trace_input ("jmp", OP_REG, 0);
901 State.pc = State.regs[OP[0]] - 2;
902 trace_output (OP_REG);
905 /* jarl disp22, reg */
909 unsigned int op0, opc;
912 trace_input ("jarl", OP_JUMP, 0);
913 temp = SEXT22 (OP[0]);
919 /* Gross. jarl X,r0 is really jr and doesn't save its result. */
921 State.regs[OP[1]] = opc + 4;
922 trace_output (OP_JUMP);
929 unsigned int op0, op1, result, z, s, cy, ov;
931 trace_input ("add", OP_REG_REG, 0);
932 /* Compute the result. */
933 op0 = State.regs[OP[0]];
934 op1 = State.regs[OP[1]];
937 /* Compute the condition codes. */
939 s = (result & 0x80000000);
940 cy = (result < op0 || result < op1);
941 ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
942 && (op0 & 0x80000000) != (result & 0x80000000));
944 /* Store the result and condition codes. */
945 State.regs[OP[1]] = result;
946 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
947 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
948 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
949 trace_output (OP_REG_REG);
952 /* add sign_extend(imm5), reg */
956 unsigned int op0, op1, result, z, s, cy, ov;
959 trace_input ("add", OP_IMM_REG, 0);
961 /* Compute the result. */
962 temp = SEXT5 (OP[0]);
964 op1 = State.regs[OP[1]];
967 /* Compute the condition codes. */
969 s = (result & 0x80000000);
970 cy = (result < op0 || result < op1);
971 ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
972 && (op0 & 0x80000000) != (result & 0x80000000));
974 /* Store the result and condition codes. */
975 State.regs[OP[1]] = result;
976 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
977 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
978 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
979 trace_output (OP_IMM_REG);
982 /* addi sign_extend(imm16), reg, reg */
986 unsigned int op0, op1, result, z, s, cy, ov;
989 trace_input ("addi", OP_IMM_REG_REG, 0);
991 /* Compute the result. */
992 temp = SEXT16 (OP[0]);
994 op1 = State.regs[OP[1]];
997 /* Compute the condition codes. */
999 s = (result & 0x80000000);
1000 cy = (result < op0 || result < op1);
1001 ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
1002 && (op0 & 0x80000000) != (result & 0x80000000));
1004 /* Store the result and condition codes. */
1005 State.regs[OP[2]] = result;
1006 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1007 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1008 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
1009 trace_output (OP_IMM_REG_REG);
1012 /* sub reg1, reg2 */
1016 unsigned int op0, op1, result, z, s, cy, ov;
1018 trace_input ("sub", OP_REG_REG, 0);
1019 /* Compute the result. */
1020 op0 = State.regs[OP[0]];
1021 op1 = State.regs[OP[1]];
1024 /* Compute the condition codes. */
1026 s = (result & 0x80000000);
1028 ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
1029 && (op1 & 0x80000000) != (result & 0x80000000));
1031 /* Store the result and condition codes. */
1032 State.regs[OP[1]] = result;
1033 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1034 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1035 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
1036 trace_output (OP_REG_REG);
1039 /* subr reg1, reg2 */
1043 unsigned int op0, op1, result, z, s, cy, ov;
1045 trace_input ("subr", OP_REG_REG, 0);
1046 /* Compute the result. */
1047 op0 = State.regs[OP[0]];
1048 op1 = State.regs[OP[1]];
1051 /* Compute the condition codes. */
1053 s = (result & 0x80000000);
1055 ov = ((op0 & 0x80000000) != (op1 & 0x80000000)
1056 && (op0 & 0x80000000) != (result & 0x80000000));
1058 /* Store the result and condition codes. */
1059 State.regs[OP[1]] = result;
1060 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1061 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1062 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
1063 trace_output (OP_REG_REG);
1066 /* mulh reg1, reg2 */
1070 trace_input ("mulh", OP_REG_REG, 0);
1071 State.regs[OP[1]] = ((State.regs[OP[1]] & 0xffff)
1072 * (State.regs[OP[0]] & 0xffff));
1073 trace_output (OP_REG_REG);
1076 /* mulh sign_extend(imm5), reg2
1082 int value = SEXT5 (OP[0]);
1084 trace_input ("mulh", OP_IMM_REG, 0);
1085 State.regs[OP[1]] = (State.regs[OP[1]] & 0xffff) * value;
1086 trace_output (OP_IMM_REG);
1089 /* mulhi imm16, reg1, reg2 */
1093 int value = OP[0] & 0xffff;
1095 trace_input ("mulhi", OP_IMM_REG_REG, 0);
1096 State.regs[OP[2]] = (State.regs[OP[1]] & 0xffff) * value;
1097 trace_output (OP_IMM_REG_REG);
1100 /* divh reg1, reg2 */
1104 unsigned int op0, op1, result, ov, s, z;
1107 trace_input ("divh", OP_REG_REG, 0);
1109 /* Compute the result. */
1110 temp = SEXT16 (State.regs[OP[0]]);
1112 op1 = State.regs[OP[1]];
1114 if (op0 == 0xffffffff && op1 == 0x80000000)
1116 result = 0x80000000;
1130 /* Compute the condition codes. */
1132 s = (result & 0x80000000);
1134 /* Store the result and condition codes. */
1135 State.regs[OP[1]] = result;
1136 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1137 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1138 | (ov ? PSW_OV : 0));
1139 trace_output (OP_REG_REG);
1146 unsigned int op0, op1, result, z, s, cy, ov;
1148 trace_input ("cmp", OP_REG_REG_CMP, 0);
1149 /* Compute the result. */
1150 op0 = State.regs[OP[0]];
1151 op1 = State.regs[OP[1]];
1154 /* Compute the condition codes. */
1156 s = (result & 0x80000000);
1158 ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
1159 && (op1 & 0x80000000) != (result & 0x80000000));
1161 /* Set condition codes. */
1162 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1163 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1164 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
1165 trace_output (OP_REG_REG_CMP);
1168 /* cmp sign_extend(imm5), reg */
1172 unsigned int op0, op1, result, z, s, cy, ov;
1175 /* Compute the result. */
1176 trace_input ("cmp", OP_IMM_REG_CMP, 0);
1177 temp = SEXT5 (OP[0]);
1179 op1 = State.regs[OP[1]];
1182 /* Compute the condition codes. */
1184 s = (result & 0x80000000);
1186 ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
1187 && (op1 & 0x80000000) != (result & 0x80000000));
1189 /* Set condition codes. */
1190 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1191 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1192 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
1193 trace_output (OP_IMM_REG_CMP);
1196 /* setf cccc,reg2 */
1200 /* Hack alert. We turn off a bit in op0 since we really only
1202 unsigned int op0, psw, result = 0;
1204 trace_input ("setf", OP_EX1, 0);
1206 psw = State.sregs[5];
1211 result = ((psw & PSW_OV) != 0);
1214 result = ((psw & PSW_CY) != 0);
1217 result = ((psw & PSW_Z) != 0);
1220 result = ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) != 0);
1223 result = ((psw & PSW_S) != 0);
1229 result = ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) != 0);
1232 result = (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))
1233 || ((psw & PSW_Z) != 0)) != 0);
1236 result = ((psw & PSW_OV) == 0);
1239 result = ((psw & PSW_CY) == 0);
1242 result = ((psw & PSW_Z) == 0);
1245 result = ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) == 0);
1248 result = ((psw & PSW_S) == 0);
1251 result = ((psw & PSW_SAT) != 0);
1254 result = ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) == 0);
1257 result = (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))
1258 || ((psw & PSW_Z) != 0)) == 0);
1262 State.regs[OP[1]] = result;
1263 trace_output (OP_EX1);
1266 /* satadd reg,reg */
1270 unsigned int op0, op1, result, z, s, cy, ov, sat;
1272 trace_input ("satadd", OP_REG_REG, 0);
1273 /* Compute the result. */
1274 op0 = State.regs[OP[0]];
1275 op1 = State.regs[OP[1]];
1278 /* Compute the condition codes. */
1280 s = (result & 0x80000000);
1281 cy = (result < op0 || result < op1);
1282 ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
1283 && (op0 & 0x80000000) != (result & 0x80000000));
1286 /* Store the result and condition codes. */
1287 State.regs[OP[1]] = result;
1288 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1289 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1290 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
1291 | (sat ? PSW_SAT : 0));
1293 /* Handle saturated results. */
1295 State.regs[OP[1]] = 0x80000000;
1297 State.regs[OP[1]] = 0x7fffffff;
1298 trace_output (OP_REG_REG);
1301 /* satadd sign_extend(imm5), reg */
1305 unsigned int op0, op1, result, z, s, cy, ov, sat;
1309 trace_input ("satadd", OP_IMM_REG, 0);
1311 /* Compute the result. */
1312 temp = SEXT5 (OP[0]);
1314 op1 = State.regs[OP[1]];
1317 /* Compute the condition codes. */
1319 s = (result & 0x80000000);
1320 cy = (result < op0 || result < op1);
1321 ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
1322 && (op0 & 0x80000000) != (result & 0x80000000));
1325 /* Store the result and condition codes. */
1326 State.regs[OP[1]] = result;
1327 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1328 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1329 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
1330 | (sat ? PSW_SAT : 0));
1332 /* Handle saturated results. */
1334 State.regs[OP[1]] = 0x80000000;
1336 State.regs[OP[1]] = 0x7fffffff;
1337 trace_output (OP_IMM_REG);
1340 /* satsub reg1, reg2 */
1344 unsigned int op0, op1, result, z, s, cy, ov, sat;
1346 trace_input ("satsub", OP_REG_REG, 0);
1348 /* Compute the result. */
1349 op0 = State.regs[OP[0]];
1350 op1 = State.regs[OP[1]];
1353 /* Compute the condition codes. */
1355 s = (result & 0x80000000);
1357 ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
1358 && (op1 & 0x80000000) != (result & 0x80000000));
1361 /* Store the result and condition codes. */
1362 State.regs[OP[1]] = result;
1363 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1364 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1365 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
1366 | (sat ? PSW_SAT : 0));
1368 /* Handle saturated results. */
1370 State.regs[OP[1]] = 0x80000000;
1372 State.regs[OP[1]] = 0x7fffffff;
1373 trace_output (OP_REG_REG);
1376 /* satsubi sign_extend(imm16), reg */
1380 unsigned int op0, op1, result, z, s, cy, ov, sat;
1383 trace_input ("satsubi", OP_IMM_REG, 0);
1385 /* Compute the result. */
1386 temp = SEXT16 (OP[0]);
1388 op1 = State.regs[OP[1]];
1391 /* Compute the condition codes. */
1393 s = (result & 0x80000000);
1395 ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
1396 && (op1 & 0x80000000) != (result & 0x80000000));
1399 /* Store the result and condition codes. */
1400 State.regs[OP[1]] = result;
1401 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1402 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1403 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
1404 | (sat ? PSW_SAT : 0));
1406 /* Handle saturated results. */
1408 State.regs[OP[1]] = 0x80000000;
1410 State.regs[OP[1]] = 0x7fffffff;
1411 trace_output (OP_IMM_REG);
1414 /* satsubr reg,reg */
1418 unsigned int op0, op1, result, z, s, cy, ov, sat;
1420 trace_input ("satsubr", OP_REG_REG, 0);
1422 /* Compute the result. */
1423 op0 = State.regs[OP[0]];
1424 op1 = State.regs[OP[1]];
1427 /* Compute the condition codes. */
1429 s = (result & 0x80000000);
1430 cy = (result < op0);
1431 ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
1432 && (op1 & 0x80000000) != (result & 0x80000000));
1435 /* Store the result and condition codes. */
1436 State.regs[OP[1]] = result;
1437 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
1438 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1439 | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
1440 | (sat ? PSW_SAT : 0));
1442 /* Handle saturated results. */
1444 State.regs[OP[1]] = 0x80000000;
1446 State.regs[OP[1]] = 0x7fffffff;
1447 trace_output (OP_REG_REG);
1454 unsigned int op0, op1, result, z, s;
1456 trace_input ("tst", OP_REG_REG_CMP, 0);
1458 /* Compute the result. */
1459 op0 = State.regs[OP[0]];
1460 op1 = State.regs[OP[1]];
1463 /* Compute the condition codes. */
1465 s = (result & 0x80000000);
1467 /* Store the condition codes. */
1468 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1469 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1470 trace_output (OP_REG_REG_CMP);
1477 trace_input ("mov", OP_REG_REG_MOVE, 0);
1478 State.regs[OP[1]] = State.regs[OP[0]];
1479 trace_output (OP_REG_REG_MOVE);
1482 /* mov sign_extend(imm5), reg */
1486 int value = SEXT5 (OP[0]);
1488 trace_input ("mov", OP_IMM_REG_MOVE, 0);
1489 State.regs[OP[1]] = value;
1490 trace_output (OP_IMM_REG_MOVE);
1493 /* movea sign_extend(imm16), reg, reg */
1498 int value = SEXT16 (OP[0]);
1500 trace_input ("movea", OP_IMM_REG_REG, 0);
1501 State.regs[OP[2]] = State.regs[OP[1]] + value;
1502 trace_output (OP_IMM_REG_REG);
1505 /* movhi imm16, reg, reg */
1509 uint32 value = (OP[0] & 0xffff) << 16;
1511 trace_input ("movhi", OP_UIMM_REG_REG, 16);
1512 State.regs[OP[2]] = State.regs[OP[1]] + value;
1513 trace_output (OP_UIMM_REG_REG);
1516 /* sar zero_extend(imm5),reg1 */
1520 unsigned int op0, op1, result, z, s, cy;
1522 trace_input ("sar", OP_IMM_REG, 0);
1524 op1 = State.regs[OP[1]];
1525 result = (signed)op1 >> op0;
1527 /* Compute the condition codes. */
1529 s = (result & 0x80000000);
1530 cy = (op1 & (1 << (op0 - 1)));
1532 /* Store the result and condition codes. */
1533 State.regs[OP[1]] = result;
1534 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
1535 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1536 | (cy ? PSW_CY : 0));
1537 trace_output (OP_IMM_REG);
1540 /* sar reg1, reg2 */
1544 unsigned int op0, op1, result, z, s, cy;
1546 trace_input ("sar", OP_REG_REG, 0);
1547 op0 = State.regs[OP[0]] & 0x1f;
1548 op1 = State.regs[OP[1]];
1549 result = (signed)op1 >> op0;
1551 /* Compute the condition codes. */
1553 s = (result & 0x80000000);
1554 cy = (op1 & (1 << (op0 - 1)));
1556 /* Store the result and condition codes. */
1557 State.regs[OP[1]] = result;
1558 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
1559 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1560 | (cy ? PSW_CY : 0));
1561 trace_output (OP_REG_REG);
1564 /* shl zero_extend(imm5),reg1 */
1568 unsigned int op0, op1, result, z, s, cy;
1570 trace_input ("shl", OP_IMM_REG, 0);
1572 op1 = State.regs[OP[1]];
1573 result = op1 << op0;
1575 /* Compute the condition codes. */
1577 s = (result & 0x80000000);
1578 cy = (op1 & (1 << (32 - op0)));
1580 /* Store the result and condition codes. */
1581 State.regs[OP[1]] = result;
1582 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
1583 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1584 | (cy ? PSW_CY : 0));
1585 trace_output (OP_IMM_REG);
1588 /* shl reg1, reg2 */
1592 unsigned int op0, op1, result, z, s, cy;
1594 trace_input ("shl", OP_REG_REG, 0);
1595 op0 = State.regs[OP[0]] & 0x1f;
1596 op1 = State.regs[OP[1]];
1597 result = op1 << op0;
1599 /* Compute the condition codes. */
1601 s = (result & 0x80000000);
1602 cy = (op1 & (1 << (32 - op0)));
1604 /* Store the result and condition codes. */
1605 State.regs[OP[1]] = result;
1606 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
1607 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1608 | (cy ? PSW_CY : 0));
1609 trace_output (OP_REG_REG);
1612 /* shr zero_extend(imm5),reg1 */
1616 unsigned int op0, op1, result, z, s, cy;
1618 trace_input ("shr", OP_IMM_REG, 0);
1620 op1 = State.regs[OP[1]];
1621 result = op1 >> op0;
1623 /* Compute the condition codes. */
1625 s = (result & 0x80000000);
1626 cy = (op1 & (1 << (op0 - 1)));
1628 /* Store the result and condition codes. */
1629 State.regs[OP[1]] = result;
1630 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
1631 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1632 | (cy ? PSW_CY : 0));
1633 trace_output (OP_IMM_REG);
1636 /* shr reg1, reg2 */
1640 unsigned int op0, op1, result, z, s, cy;
1642 trace_input ("shr", OP_REG_REG, 0);
1643 op0 = State.regs[OP[0]] & 0x1f;
1644 op1 = State.regs[OP[1]];
1645 result = op1 >> op0;
1647 /* Compute the condition codes. */
1649 s = (result & 0x80000000);
1650 cy = (op1 & (1 << (op0 - 1)));
1652 /* Store the result and condition codes. */
1653 State.regs[OP[1]] = result;
1654 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
1655 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
1656 | (cy ? PSW_CY : 0));
1657 trace_output (OP_REG_REG);
1664 unsigned int op0, op1, result, z, s;
1666 trace_input ("or", OP_REG_REG, 0);
1668 /* Compute the result. */
1669 op0 = State.regs[OP[0]];
1670 op1 = State.regs[OP[1]];
1673 /* Compute the condition codes. */
1675 s = (result & 0x80000000);
1677 /* Store the result and condition codes. */
1678 State.regs[OP[1]] = result;
1679 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1680 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1681 trace_output (OP_REG_REG);
1684 /* ori zero_extend(imm16), reg, reg */
1688 unsigned int op0, op1, result, z, s;
1690 trace_input ("ori", OP_UIMM_REG_REG, 0);
1691 op0 = OP[0] & 0xffff;
1692 op1 = State.regs[OP[1]];
1695 /* Compute the condition codes. */
1697 s = (result & 0x80000000);
1699 /* Store the result and condition codes. */
1700 State.regs[OP[2]] = result;
1701 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1702 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1703 trace_output (OP_UIMM_REG_REG);
1710 unsigned int op0, op1, result, z, s;
1712 trace_input ("and", OP_REG_REG, 0);
1714 /* Compute the result. */
1715 op0 = State.regs[OP[0]];
1716 op1 = State.regs[OP[1]];
1719 /* Compute the condition codes. */
1721 s = (result & 0x80000000);
1723 /* Store the result and condition codes. */
1724 State.regs[OP[1]] = result;
1725 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1726 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1727 trace_output (OP_REG_REG);
1730 /* andi zero_extend(imm16), reg, reg */
1734 unsigned int op0, op1, result, z;
1736 trace_input ("andi", OP_UIMM_REG_REG, 0);
1737 op0 = OP[0] & 0xffff;
1738 op1 = State.regs[OP[1]];
1741 /* Compute the condition codes. */
1744 /* Store the result and condition codes. */
1745 State.regs[OP[2]] = result;
1746 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1747 State.sregs[5] |= (z ? PSW_Z : 0);
1748 trace_output (OP_UIMM_REG_REG);
1755 unsigned int op0, op1, result, z, s;
1757 trace_input ("xor", OP_REG_REG, 0);
1759 /* Compute the result. */
1760 op0 = State.regs[OP[0]];
1761 op1 = State.regs[OP[1]];
1764 /* Compute the condition codes. */
1766 s = (result & 0x80000000);
1768 /* Store the result and condition codes. */
1769 State.regs[OP[1]] = result;
1770 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1771 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1772 trace_output (OP_REG_REG);
1775 /* xori zero_extend(imm16), reg, reg */
1779 unsigned int op0, op1, result, z, s;
1781 trace_input ("xori", OP_UIMM_REG_REG, 0);
1782 op0 = OP[0] & 0xffff;
1783 op1 = State.regs[OP[1]];
1786 /* Compute the condition codes. */
1788 s = (result & 0x80000000);
1790 /* Store the result and condition codes. */
1791 State.regs[OP[2]] = result;
1792 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1793 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1794 trace_output (OP_UIMM_REG_REG);
1797 /* not reg1, reg2 */
1801 unsigned int op0, result, z, s;
1803 trace_input ("not", OP_REG_REG_MOVE, 0);
1804 /* Compute the result. */
1805 op0 = State.regs[OP[0]];
1808 /* Compute the condition codes. */
1810 s = (result & 0x80000000);
1812 /* Store the result and condition codes. */
1813 State.regs[OP[1]] = result;
1814 State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
1815 State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
1816 trace_output (OP_REG_REG_MOVE);
1823 unsigned int op0, op1, op2;
1826 trace_input ("set1", OP_BIT, 0);
1827 op0 = State.regs[OP[0]];
1829 temp = SEXT16 (OP[2]);
1831 temp = get_byte (State.mem + op0 + op2);
1832 State.sregs[5] &= ~PSW_Z;
1833 if ((temp & (1 << op1)) == 0)
1834 State.sregs[5] |= PSW_Z;
1836 put_byte (State.mem + op0 + op2, temp);
1837 trace_output (OP_BIT);
1844 unsigned int op0, op1, op2;
1847 trace_input ("not1", OP_BIT, 0);
1848 op0 = State.regs[OP[0]];
1850 temp = SEXT16 (OP[2]);
1852 temp = get_byte (State.mem + op0 + op2);
1853 State.sregs[5] &= ~PSW_Z;
1854 if ((temp & (1 << op1)) == 0)
1855 State.sregs[5] |= PSW_Z;
1857 put_byte (State.mem + op0 + op2, temp);
1858 trace_output (OP_BIT);
1865 unsigned int op0, op1, op2;
1868 trace_input ("clr1", OP_BIT, 0);
1869 op0 = State.regs[OP[0]];
1871 temp = SEXT16 (OP[2]);
1873 temp = get_byte (State.mem + op0 + op2);
1874 State.sregs[5] &= ~PSW_Z;
1875 if ((temp & (1 << op1)) == 0)
1876 State.sregs[5] |= PSW_Z;
1877 temp &= ~(1 << op1);
1878 put_byte (State.mem + op0 + op2, temp);
1879 trace_output (OP_BIT);
1886 unsigned int op0, op1, op2;
1889 trace_input ("tst1", OP_BIT, 0);
1890 op0 = State.regs[OP[0]];
1892 temp = SEXT16 (OP[2]);
1894 temp = get_byte (State.mem + op0 + op2);
1895 State.sregs[5] &= ~PSW_Z;
1896 if ((temp & (1 << op1)) == 0)
1897 State.sregs[5] |= PSW_Z;
1898 trace_output (OP_BIT);
1905 trace_input ("di", OP_NONE, 0);
1906 State.sregs[5] |= PSW_ID;
1907 trace_output (OP_NONE);
1914 trace_input ("ei", OP_NONE, 0);
1915 State.sregs[5] &= ~PSW_ID;
1916 trace_output (OP_NONE);
1919 /* halt, not supported */
1923 trace_input ("halt", OP_NONE, 0);
1924 State.exception = SIGQUIT;
1925 trace_output (OP_NONE);
1928 /* reti, not supported */
1932 trace_input ("reti", OP_NONE, 0);
1933 trace_output (OP_NONE);
1937 /* trap, not supportd */
1943 trace_input ("trap", OP_TRAP, 0);
1944 trace_output (OP_TRAP);
1946 /* Trap 0 is used for simulating low-level I/O */
1950 int save_errno = errno;
1953 /* Registers passed to trap 0 */
1955 #define FUNC State.regs[6] /* function number, return value */
1956 #define PARM1 State.regs[7] /* optional parm 1 */
1957 #define PARM2 State.regs[8] /* optional parm 2 */
1958 #define PARM3 State.regs[9] /* optional parm 3 */
1960 /* Registers set by trap 0 */
1962 #define RETVAL State.regs[10] /* return value */
1963 #define RETERR State.regs[11] /* return error code */
1965 /* Turn a pointer in a register into a pointer into real memory. */
1967 #define MEMPTR(x) ((char *)((x) + State.mem))
1972 #if !defined(__GO32__) && !defined(_WIN32)
1977 RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2),
1978 (char **)MEMPTR (PARM3));
1981 RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL);
1990 RETVAL = pipe (host_fd);
1991 SW (buf, host_fd[0]);
1992 buf += sizeof(uint16);
1993 SW (buf, host_fd[1]);
2001 RETVAL = wait (&status);
2009 RETVAL = v850_callback->read (v850_callback, PARM1, MEMPTR (PARM2),
2014 RETVAL = (int)v850_callback->write_stdout (v850_callback,
2015 MEMPTR (PARM2), PARM3);
2017 RETVAL = (int)v850_callback->write (v850_callback, PARM1,
2018 MEMPTR (PARM2), PARM3);
2021 RETVAL = v850_callback->lseek (v850_callback, PARM1, PARM2, PARM3);
2024 RETVAL = v850_callback->close (v850_callback, PARM1);
2027 RETVAL = v850_callback->open (v850_callback, MEMPTR (PARM1), PARM2);
2030 /* EXIT - caller can look in PARM1 to work out the
2032 if (PARM1 == 0xdead || PARM1 == 0x1)
2033 State.exception = SIGABRT;
2035 State.exception = SIGQUIT;
2039 case SYS_stat: /* added at hmsi */
2040 /* stat system call */
2042 struct stat host_stat;
2045 RETVAL = stat (MEMPTR (PARM1), &host_stat);
2049 /* The hard-coded offsets and sizes were determined by using
2050 * the D10V compiler on a test program that used struct stat.
2052 SW (buf, host_stat.st_dev);
2053 SW (buf+2, host_stat.st_ino);
2054 SW (buf+4, host_stat.st_mode);
2055 SW (buf+6, host_stat.st_nlink);
2056 SW (buf+8, host_stat.st_uid);
2057 SW (buf+10, host_stat.st_gid);
2058 SW (buf+12, host_stat.st_rdev);
2059 SLW (buf+16, host_stat.st_size);
2060 SLW (buf+20, host_stat.st_atime);
2061 SLW (buf+28, host_stat.st_mtime);
2062 SLW (buf+36, host_stat.st_ctime);
2068 RETVAL = chown (MEMPTR (PARM1), PARM2, PARM3);
2071 RETVAL = chmod (MEMPTR (PARM1), PARM2);
2074 /* Cast the second argument to void *, to avoid type mismatch
2075 if a prototype is present. */
2076 RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM2));
2084 else if (OP[0] == 1 )
2086 char *fstr = State.regs[2] + State.mem;
2097 trace_input ("ldsr", OP_LDSR, 0);
2098 op0 = State.regs[OP[0]];
2099 State.sregs[OP[1]] = op0;
2100 trace_output (OP_LDSR);
2103 /* stsr, not supported */
2109 trace_input ("stsr", OP_STSR, 0);
2110 op0 = State.sregs[OP[1]];
2111 State.regs[OP[0]] = op0;
2112 trace_output (OP_STSR);