#include <signal.h>
#include "v850_sim.h"
#include "simops.h"
-
+#include "sys/syscall.h"
+#include "bfd.h"
+
+enum op_types {
+ OP_UNKNOWN,
+ OP_NONE,
+ OP_TRAP,
+ OP_REG,
+ OP_REG_REG,
+ OP_REG_REG_CMP,
+ OP_REG_REG_MOVE,
+ OP_IMM_REG,
+ OP_IMM_REG_CMP,
+ OP_IMM_REG_MOVE,
+ OP_COND_BR,
+ OP_LOAD16,
+ OP_STORE16,
+ OP_LOAD32,
+ OP_STORE32,
+ OP_JUMP,
+ OP_IMM_REG_REG,
+ OP_UIMM_REG_REG,
+ OP_BIT,
+ OP_EX1,
+ OP_EX2,
+ OP_LDSR,
+ OP_STSR
+};
+
+#ifdef DEBUG
+static void trace_input PARAMS ((char *name, enum op_types type, int size));
+static void trace_output PARAMS ((enum op_types result));
+static int init_text_p = 0;
+static asection *text;
+static bfd_vma text_start;
+static bfd_vma text_end;
+extern bfd *exec_bfd;
+
+#ifndef SIZE_INSTRUCTION
+#define SIZE_INSTRUCTION 6
+#endif
+
+#ifndef SIZE_OPERANDS
+#define SIZE_OPERANDS 16
+#endif
+
+#ifndef SIZE_VALUES
+#define SIZE_VALUES 11
+#endif
+
+#ifndef SIZE_LOCATION
+#define SIZE_LOCATION 40
+#endif
+
+static void
+trace_input (name, type, size)
+ char *name;
+ enum op_types type;
+ int size;
+{
+ char buf[1024];
+ char *p;
+ uint32 values[3];
+ int num_values, i;
+ char *cond;
+ asection *s;
+ const char *filename;
+ const char *functionname;
+ unsigned int linenumber;
+
+ if ((v850_debug & DEBUG_TRACE) == 0)
+ return;
+
+ buf[0] = '\0';
+ if (!init_text_p)
+ {
+ init_text_p = 1;
+ for (s = exec_bfd->sections; s; s = s->next)
+ if (strcmp (bfd_get_section_name (exec_bfd, s), ".text") == 0)
+ {
+ text = s;
+ text_start = bfd_get_section_vma (exec_bfd, s);
+ text_end = text_start + bfd_section_size (exec_bfd, s);
+ break;
+ }
+ }
+
+ if (text && PC >= text_start && PC < text_end)
+ {
+ filename = (const char *)0;
+ functionname = (const char *)0;
+ linenumber = 0;
+ if (bfd_find_nearest_line (exec_bfd, text, (struct symbol_cache_entry **)0, PC - text_start,
+ &filename, &functionname, &linenumber))
+ {
+ p = buf;
+ if (linenumber)
+ {
+ sprintf (p, "Line %5d ", linenumber);
+ p += strlen (p);
+ }
+
+ if (functionname)
+ {
+ sprintf (p, "Func %s ", functionname);
+ p += strlen (p);
+ }
+ else if (filename)
+ {
+ char *q = (char *) strrchr (filename, '/');
+ sprintf (p, "File %s ", (q) ? q+1 : filename);
+ p += strlen (p);
+ }
+
+ if (*p == ' ')
+ *p = '\0';
+ }
+ }
+
+ (*v850_callback->printf_filtered) (v850_callback, "0x%.8x: %-*.*s %-*s",
+ (unsigned)PC,
+ SIZE_LOCATION, SIZE_LOCATION, buf,
+ SIZE_INSTRUCTION, name);
+
+ switch (type)
+ {
+ default:
+ case OP_UNKNOWN:
+ case OP_NONE:
+ strcpy (buf, "unknown");
+ break;
+
+ case OP_TRAP:
+ sprintf (buf, "%d", OP[0]);
+ break;
+
+ case OP_REG:
+ sprintf (buf, "r%d", OP[0]);
+ break;
+
+ case OP_REG_REG:
+ case OP_REG_REG_CMP:
+ case OP_REG_REG_MOVE:
+ sprintf (buf, "r%d,r%d", OP[0], OP[1]);
+ break;
+
+ case OP_IMM_REG:
+ case OP_IMM_REG_CMP:
+ case OP_IMM_REG_MOVE:
+ sprintf (buf, "%d,r%d", OP[1], OP[0]);
+ break;
+
+ case OP_COND_BR:
+ sprintf (buf, "%d", SEXT9 (OP[0]));
+ break;
+
+ case OP_LOAD16:
+ sprintf (buf, "%d[r30],r%d", SEXT7 (OP[1]) * size, OP[0]);
+ break;
+
+ case OP_STORE16:
+ sprintf (buf, "r%d,%d[r30]", OP[0], SEXT7 (OP[1]) * size);
+ break;
+
+ case OP_LOAD32:
+ sprintf (buf, "%d[r%d],r%d", SEXT16 (OP[2]), OP[0], OP[1]);
+ break;
+
+ case OP_STORE32:
+ sprintf (buf, "r%d,%d[r%d]", OP[1], SEXT16 (OP[2]), OP[0]);
+ break;
+
+ case OP_JUMP:
+ sprintf (buf, "%d,r%d", SEXT22 (OP[0]), OP[1]);
+ break;
+
+ case OP_IMM_REG_REG:
+ sprintf (buf, "%d,r%d,r%d", SEXT16 (OP[0]), OP[1], OP[2]);
+ break;
+
+ case OP_UIMM_REG_REG:
+ sprintf (buf, "%d,r%d,r%d", OP[0] & 0xffff, OP[1], OP[2]);
+ break;
+
+ case OP_BIT:
+ sprintf (buf, "%d,%d[r%d]", OP[1] & 0x7, SEXT16 (OP[2]), OP[0]);
+ break;
+
+ case OP_EX1:
+ switch (OP[0] & 0xf)
+ {
+ default: cond = "?"; break;
+ case 0x0: cond = "v"; break;
+ case 0x1: cond = "c"; break;
+ case 0x2: cond = "z"; break;
+ case 0x3: cond = "nh"; break;
+ case 0x4: cond = "s"; break;
+ case 0x5: cond = "t"; break;
+ case 0x6: cond = "lt"; break;
+ case 0x7: cond = "le"; break;
+ case 0x8: cond = "nv"; break;
+ case 0x9: cond = "nc"; break;
+ case 0xa: cond = "nz"; break;
+ case 0xb: cond = "h"; break;
+ case 0xc: cond = "ns"; break;
+ case 0xd: cond = "sa"; break;
+ case 0xe: cond = "ge"; break;
+ case 0xf: cond = "gt"; break;
+ }
+
+ sprintf (buf, "%s,r%d", cond, OP[1]);
+ break;
+
+ case OP_EX2:
+ strcpy (buf, "EX2");
+ break;
+
+ case OP_LDSR:
+ case OP_STSR:
+ sprintf (buf, "r%d,s%d", OP[0], OP[1]);
+ break;
+ }
+
+ if ((v850_debug & DEBUG_VALUES) == 0)
+ {
+ (*v850_callback->printf_filtered) (v850_callback, "%s\n", buf);
+ }
+ else
+ {
+ (*v850_callback->printf_filtered) (v850_callback, "%-*s", SIZE_OPERANDS, buf);
+ switch (type)
+ {
+ default:
+ case OP_UNKNOWN:
+ case OP_NONE:
+ case OP_TRAP:
+ num_values = 0;
+ break;
+
+ case OP_REG:
+ case OP_REG_REG_MOVE:
+ values[0] = State.regs[OP[0]];
+ num_values = 1;
+ break;
+
+ case OP_REG_REG:
+ case OP_REG_REG_CMP:
+ values[0] = State.regs[OP[1]];
+ values[1] = State.regs[OP[0]];
+ num_values = 2;
+ break;
+
+ case OP_IMM_REG:
+ case OP_IMM_REG_CMP:
+ values[0] = SEXT5 (OP[0]);
+ values[1] = OP[1];
+ num_values = 2;
+ break;
+
+ case OP_IMM_REG_MOVE:
+ values[0] = SEXT5 (OP[0]);
+ num_values = 1;
+ break;
+
+ case OP_COND_BR:
+ values[0] = State.pc;
+ values[1] = SEXT9 (OP[0]);
+ values[2] = State.sregs[5];
+ num_values = 3;
+ break;
+
+ case OP_LOAD16:
+ values[0] = SEXT7 (OP[1]) * size;
+ values[1] = State.regs[30];
+ num_values = 2;
+ break;
+
+ case OP_STORE16:
+ values[0] = State.regs[OP[0]];
+ values[1] = SEXT7 (OP[1]) * size;
+ values[2] = State.regs[30];
+ num_values = 3;
+ break;
+
+ case OP_LOAD32:
+ values[0] = SEXT16 (OP[2]);
+ values[1] = State.regs[OP[0]];
+ num_values = 2;
+ break;
+
+ case OP_STORE32:
+ values[0] = State.regs[OP[1]];
+ values[1] = SEXT16 (OP[2]);
+ values[2] = State.regs[OP[0]];
+ num_values = 3;
+ break;
+
+ case OP_JUMP:
+ values[0] = SEXT22 (OP[0]);
+ values[1] = State.pc;
+ num_values = 2;
+ break;
+
+ case OP_IMM_REG_REG:
+ values[0] = SEXT16 (OP[0]) << size;
+ values[1] = State.regs[OP[1]];
+ num_values = 2;
+ break;
+
+ case OP_UIMM_REG_REG:
+ values[0] = (OP[0] & 0xffff) << size;
+ values[1] = State.regs[OP[1]];
+ num_values = 2;
+ break;
+
+ case OP_BIT:
+ num_values = 0;
+ break;
+
+ case OP_EX1:
+ values[0] = State.sregs[5];
+ num_values = 1;
+ break;
+
+ case OP_EX2:
+ num_values = 0;
+ break;
+
+ case OP_LDSR:
+ values[0] = State.regs[OP[0]];
+ num_values = 1;
+ break;
+
+ case OP_STSR:
+ values[0] = State.sregs[OP[1]];
+ num_values = 1;
+ }
+
+ for (i = 0; i < num_values; i++)
+ (*v850_callback->printf_filtered) (v850_callback, "%*s0x%.8lx", SIZE_VALUES - 10, "", values[i]);
+
+ while (i++ < 3)
+ (*v850_callback->printf_filtered) (v850_callback, "%*s", SIZE_VALUES, "");
+ }
+}
+
+static void
+trace_output (result)
+ enum op_types result;
+{
+ if ((v850_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
+ {
+ switch (result)
+ {
+ default:
+ case OP_UNKNOWN:
+ case OP_NONE:
+ case OP_TRAP:
+ case OP_REG:
+ case OP_REG_REG_CMP:
+ case OP_IMM_REG_CMP:
+ case OP_COND_BR:
+ case OP_STORE16:
+ case OP_STORE32:
+ case OP_BIT:
+ case OP_EX2:
+ break;
+
+ case OP_LOAD16:
+ case OP_STSR:
+ (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
+ (unsigned long)State.regs[OP[0]]);
+ break;
+
+ case OP_REG_REG:
+ case OP_REG_REG_MOVE:
+ case OP_IMM_REG:
+ case OP_IMM_REG_MOVE:
+ case OP_LOAD32:
+ case OP_EX1:
+ (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
+ (unsigned long)State.regs[OP[1]]);
+ break;
+
+ case OP_IMM_REG_REG:
+ case OP_UIMM_REG_REG:
+ (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
+ (unsigned long)State.regs[OP[2]]);
+ break;
+
+ case OP_JUMP:
+ if (OP[1] != 0)
+ (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
+ (unsigned long)State.regs[OP[1]]);
+ break;
+
+ case OP_LDSR:
+ (*v850_callback->printf_filtered) (v850_callback, " :: 0x%.8lx",
+ (unsigned long)State.sregs[OP[1]]);
+ break;
+ }
+
+ (*v850_callback->printf_filtered) (v850_callback, "\n");
+ }
+}
+
+#else
+#define trace_input(NAME, IN1, IN2)
+#define trace_output(RESULT)
+#endif
+
+\f
+/* sld.b */
void
-OP_280 ()
+OP_300 ()
{
+ unsigned int op2;
+ int result, temp;
+
+ trace_input ("sld.b", OP_LOAD16, 1);
+ temp = OP[1];
+ temp = SEXT7 (temp);
+ op2 = temp;
+ result = get_byte (State.mem + State.regs[30] + op2);
+ State.regs[OP[0]] = SEXT8 (result);
+ trace_output (OP_LOAD16);
}
+/* sld.h */
void
-OP_220 ()
+OP_400 ()
{
+ unsigned int op2;
+ int result, temp;
+
+ trace_input ("sld.h", OP_LOAD16, 2);
+ temp = OP[1];
+ temp = SEXT7 (temp);
+ op2 = temp << 1;
+ result = get_half (State.mem + State.regs[30] + op2);
+ State.regs[OP[0]] = SEXT16 (result);
+ trace_output (OP_LOAD16);
}
+/* sld.w */
void
-OP_10760 ()
+OP_500 ()
{
+ unsigned int op2;
+ int result, temp;
+
+ trace_input ("sld.w", OP_LOAD16, 4);
+ temp = OP[1];
+ temp = SEXT7 (temp);
+ op2 = temp << 2;
+ result = get_word (State.mem + State.regs[30] + op2);
+ State.regs[OP[0]] = result;
+ trace_output (OP_LOAD16);
}
+/* sst.b */
void
-OP_C7C0 ()
+OP_380 ()
{
+ unsigned int op0, op1;
+ int temp;
+
+ trace_input ("sst.b", OP_STORE16, 1);
+ op0 = State.regs[OP[0]];
+ temp = OP[1];
+ temp = SEXT7 (temp);
+ op1 = temp;
+ put_byte (State.mem + State.regs[30] + op1, op0);
+ trace_output (OP_STORE16);
}
+/* sst.h */
void
-OP_760 ()
+OP_480 ()
{
+ unsigned int op0, op1;
+ int temp;
+
+ trace_input ("sst.h", OP_STORE16, 2);
+ op0 = State.regs[OP[0]];
+ temp = OP[1];
+ temp = SEXT7 (temp);
+ op1 = temp << 1;
+ put_half (State.mem + State.regs[30] + op1, op0);
+ trace_output (OP_STORE16);
}
+/* sst.w */
void
-OP_580 ()
+OP_501 ()
{
+ unsigned int op0, op1;
+ int temp;
+
+ trace_input ("sst.w", OP_STORE16, 4);
+ op0 = State.regs[OP[0]];
+ temp = OP[1];
+ temp = SEXT7 (temp);
+ op1 = temp << 2;
+ put_word (State.mem + State.regs[30] + op1, op0);
+ trace_output (OP_STORE16);
}
+/* ld.b */
void
OP_700 ()
{
+ unsigned int op0, op2;
+ int result, temp;
+
+ trace_input ("ld.b", OP_LOAD32, 1);
+ op0 = State.regs[OP[0]];
+ temp = SEXT16 (OP[2]);
+ op2 = temp;
+ result = get_byte (State.mem + op0 + op2);
+ State.regs[OP[1]] = SEXT8 (result);
+ trace_output (OP_LOAD32);
}
+/* ld.h */
void
-OP_581 ()
+OP_720 ()
{
+ unsigned int op0, op2;
+ int result, temp;
+
+ trace_input ("ld.h", OP_LOAD32, 2);
+ op0 = State.regs[OP[0]];
+ temp = SEXT16 (OP[2]);
+ temp &= ~0x1;
+ op2 = temp;
+ result = get_half (State.mem + op0 + op2);
+ State.regs[OP[1]] = SEXT16 (result);
+ trace_output (OP_LOAD32);
}
+/* ld.w */
void
-OP_40 ()
+OP_10720 ()
{
+ unsigned int op0, op2;
+ int result, temp;
+
+ trace_input ("ld.w", OP_LOAD32, 4);
+ op0 = State.regs[OP[0]];
+ temp = SEXT16 (OP[2]);
+ temp &= ~0x1;
+ op2 = temp;
+ result = get_word (State.mem + op0 + op2);
+ State.regs[OP[1]] = result;
+ trace_output (OP_LOAD32);
}
+/* st.b */
void
-OP_582 ()
+OP_740 ()
{
+ unsigned int op0, op1, op2;
+ int temp;
+
+ trace_input ("st.b", OP_STORE32, 1);
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ temp = SEXT16 (OP[2]);
+ op2 = temp;
+ put_byte (State.mem + op0 + op2, op1);
+ trace_output (OP_STORE32);
}
+/* st.h */
void
-OP_583 ()
+OP_760 ()
{
+ unsigned int op0, op1, op2;
+ int temp;
+
+ trace_input ("st.h", OP_STORE32, 2);
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ temp = SEXT16 (OP[2] & ~0x1);
+ op2 = temp;
+ put_half (State.mem + op0 + op2, op1);
+ trace_output (OP_STORE32);
}
+/* st.w */
void
-OP_584 ()
+OP_10760 ()
{
+ unsigned int op0, op1, op2;
+ int temp;
+
+ trace_input ("st.w", OP_STORE32, 4);
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ temp = SEXT16 (OP[2] & ~0x1);
+ op2 = temp;
+ put_word (State.mem + op0 + op2, op1);
+ trace_output (OP_STORE32);
}
+/* bv disp9 */
void
-OP_585 ()
+OP_580 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bv", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_OV) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bl disp9 */
void
-OP_586 ()
+OP_581 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bl", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_CY) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* be disp9 */
void
-OP_587 ()
+OP_582 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("be", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_Z) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bnh disp 9*/
void
-OP_588 ()
+OP_583 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bnh", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bn disp9 */
void
-OP_589 ()
+OP_584 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bn", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_S) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* br disp9 */
void
-OP_58A ()
+OP_585 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("br", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ State.pc += op0;
+ trace_output (OP_COND_BR);
}
+/* blt disp9 */
void
-OP_58B ()
+OP_586 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("blt", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* ble disp9 */
void
-OP_58C ()
+OP_587 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("ble", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((((psw & PSW_Z) != 0)
+ || (((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bnv disp9 */
void
-OP_400 ()
+OP_588 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bnv", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_OV) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bnl disp9 */
void
-OP_2E0 ()
+OP_589 ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bnl", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_CY) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bne disp9 */
void
-OP_160 ()
+OP_58A ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bne", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_Z) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bh disp9 */
void
-OP_58D ()
+OP_58B ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bh", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bp disp9 */
void
-OP_58E ()
+OP_58C ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bp", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_S) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bsa disp9 */
void
-OP_58F ()
+OP_58D ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bsa", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((psw & PSW_SAT) != 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bge disp9 */
void
-OP_660 ()
+OP_58E ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bge", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* bgt disp9 */
void
-OP_E0 ()
+OP_58F ()
{
+ unsigned int psw;
+ int op0;
+
+ trace_input ("bgt", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
+ psw = State.sregs[5];
+
+ if ((((psw & PSW_Z) != 0)
+ || (((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))) == 0)
+ State.pc += op0;
+ else
+ State.pc += 2;
+ trace_output (OP_COND_BR);
}
+/* jmp [reg1] */
void
-OP_16087E0 ()
+OP_60 ()
{
+ /* interp.c will bump this by +2, so correct for it here. */
+ trace_input ("jmp", OP_REG, 0);
+ State.pc = State.regs[OP[0]] - 2;
+ trace_output (OP_REG);
}
+/* jarl disp22, reg */
void
-OP_16007E0 ()
+OP_780 ()
{
-}
+ unsigned int op0, opc;
+ int temp;
+
+ trace_input ("jarl", OP_JUMP, 0);
+ temp = SEXT22 (OP[0]);
+ op0 = temp;
+ opc = State.pc;
-/* add reg, reg
+ State.pc += temp;
- XXX condition codes. */
+ /* Gross. jarl X,r0 is really jr and doesn't save its result. */
+ if (OP[1] != 0)
+ State.regs[OP[1]] = opc + 4;
+ trace_output (OP_JUMP);
+}
+
+/* add reg, reg */
void
OP_1C0 ()
{
- State.regs[OP[1]] += State.regs[OP[0]];
-}
+ unsigned int op0, op1, result, z, s, cy, ov;
+
+ trace_input ("add", OP_REG_REG, 0);
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 + op1;
-/* add sign_extend(imm5), reg
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (result < op0 || result < op1);
+ ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
+ && (op0 & 0x80000000) != (result & 0x80000000));
- XXX condition codes. */
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_REG_REG);
+}
+
+/* add sign_extend(imm5), reg */
void
OP_240 ()
{
- int value = OP[0];
-
- value = (value << 27) >> 27;
+ unsigned int op0, op1, result, z, s, cy, ov;
+ int temp;
- State.regs[OP[1]] += value;
-}
+ trace_input ("add", OP_IMM_REG, 0);
-/* addi sign_extend(imm16), reg, reg
+ /* Compute the result. */
+ temp = SEXT5 (OP[0]);
+ op0 = temp;
+ op1 = State.regs[OP[1]];
+ result = op0 + op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (result < op0 || result < op1);
+ ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
+ && (op0 & 0x80000000) != (result & 0x80000000));
- XXX condition codes. */
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_IMM_REG);
+}
+
+/* addi sign_extend(imm16), reg, reg */
void
OP_600 ()
{
- int value = OP[0];
-
- value = (value << 16) >> 16;
+ unsigned int op0, op1, result, z, s, cy, ov;
+ int temp;
- State.regs[OP[2]] = State.regs[OP[1]] + value;
-}
+ trace_input ("addi", OP_IMM_REG_REG, 0);
-/* sub reg1, reg2
+ /* Compute the result. */
+ temp = SEXT16 (OP[0]);
+ op0 = temp;
+ op1 = State.regs[OP[1]];
+ result = op0 + op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (result < op0 || result < op1);
+ ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
+ && (op0 & 0x80000000) != (result & 0x80000000));
- XXX condition codes */
+ /* Store the result and condition codes. */
+ State.regs[OP[2]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_IMM_REG_REG);
+}
+
+/* sub reg1, reg2 */
void
OP_1A0 ()
{
- State.regs[OP[1]] -= State.regs[OP[0]];
-}
+ unsigned int op0, op1, result, z, s, cy, ov;
-/* subr reg1, reg2
+ trace_input ("sub", OP_REG_REG, 0);
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op1 - op0;
- XXX condition codes */
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 < op0);
+ ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
+ && (op1 & 0x80000000) != (result & 0x80000000));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_REG_REG);
+}
+
+/* subr reg1, reg2 */
void
OP_180 ()
{
- State.regs[OP[1]] = State.regs[OP[0]] - State.regs[OP[1]];
+ unsigned int op0, op1, result, z, s, cy, ov;
+
+ trace_input ("subr", OP_REG_REG, 0);
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 - op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op0 < op1);
+ ov = ((op0 & 0x80000000) != (op1 & 0x80000000)
+ && (op0 & 0x80000000) != (result & 0x80000000));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_REG_REG);
}
+/* mulh reg1, reg2 */
void
-OP_8007E0 ()
+OP_E0 ()
{
+ trace_input ("mulh", OP_REG_REG, 0);
+ State.regs[OP[1]] = ((State.regs[OP[1]] & 0xffff)
+ * (State.regs[OP[0]] & 0xffff));
+ trace_output (OP_REG_REG);
}
+/* mulh sign_extend(imm5), reg2
+
+ Condition codes */
void
-OP_C007E0 ()
+OP_2E0 ()
{
+ int value = SEXT5 (OP[0]);
+
+ trace_input ("mulh", OP_IMM_REG, 0);
+ State.regs[OP[1]] = (State.regs[OP[1]] & 0xffff) * value;
+ trace_output (OP_IMM_REG);
}
+/* mulhi imm16, reg1, reg2 */
void
-OP_12007E0 ()
+OP_6E0 ()
{
+ int value = OP[0] & 0xffff;
+
+ trace_input ("mulhi", OP_IMM_REG_REG, 0);
+ State.regs[OP[2]] = (State.regs[OP[1]] & 0xffff) * value;
+ trace_output (OP_IMM_REG_REG);
}
+/* divh reg1, reg2 */
void
-OP_4007E0 ()
+OP_40 ()
+{
+ unsigned int op0, op1, result, ov, s, z;
+ int temp;
+
+ trace_input ("divh", OP_REG_REG, 0);
+
+ /* Compute the result. */
+ temp = SEXT16 (State.regs[OP[0]]);
+ op0 = temp;
+ op1 = State.regs[OP[1]];
+
+ if (op0 == 0xffffffff && op1 == 0x80000000)
+ {
+ result = 0x80000000;
+ ov = 1;
+ }
+ else if (op0 != 0)
+ {
+ result = op1 / op0;
+ ov = 0;
+ }
+ else
+ {
+ result = 0x0;
+ ov = 1;
+ }
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (ov ? PSW_OV : 0));
+ trace_output (OP_REG_REG);
+}
+
+/* cmp reg, reg */
+void
+OP_1E0 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov;
+
+ trace_input ("cmp", OP_REG_REG_CMP, 0);
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op1 - op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 < op0);
+ ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
+ && (op1 & 0x80000000) != (result & 0x80000000));
+
+ /* Set condition codes. */
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_REG_REG_CMP);
}
+/* cmp sign_extend(imm5), reg */
void
-OP_10720 ()
+OP_260 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov;
+ int temp;
+
+ /* Compute the result. */
+ trace_input ("cmp", OP_IMM_REG_CMP, 0);
+ temp = SEXT5 (OP[0]);
+ op0 = temp;
+ op1 = State.regs[OP[1]];
+ result = op1 - op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 < op0);
+ ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
+ && (op1 & 0x80000000) != (result & 0x80000000));
+
+ /* Set condition codes. */
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
+ trace_output (OP_IMM_REG_CMP);
}
+/* setf cccc,reg2 */
void
-OP_780 ()
+OP_7E0 ()
+{
+ /* Hack alert. We turn off a bit in op0 since we really only
+ wanted 4 bits. */
+ unsigned int op0, psw, result = 0;
+
+ trace_input ("setf", OP_EX1, 0);
+ op0 = OP[0] & 0xf;
+ psw = State.sregs[5];
+
+ switch (op0)
+ {
+ case 0x0:
+ result = ((psw & PSW_OV) != 0);
+ break;
+ case 0x1:
+ result = ((psw & PSW_CY) != 0);
+ break;
+ case 0x2:
+ result = ((psw & PSW_Z) != 0);
+ break;
+ case 0x3:
+ result = ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) != 0);
+ break;
+ case 0x4:
+ result = ((psw & PSW_S) != 0);
+ break;
+ case 0x5:
+ result = 1;
+ break;
+ case 0x6:
+ result = ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) != 0);
+ break;
+ case 0x7:
+ result = (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))
+ || ((psw & PSW_Z) != 0)) != 0);
+ break;
+ case 0x8:
+ result = ((psw & PSW_OV) == 0);
+ break;
+ case 0x9:
+ result = ((psw & PSW_CY) == 0);
+ break;
+ case 0xa:
+ result = ((psw & PSW_Z) == 0);
+ break;
+ case 0xb:
+ result = ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) == 0);
+ break;
+ case 0xc:
+ result = ((psw & PSW_S) == 0);
+ break;
+ case 0xd:
+ result = ((psw & PSW_SAT) != 0);
+ break;
+ case 0xe:
+ result = ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) == 0);
+ break;
+ case 0xf:
+ result = (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0))
+ || ((psw & PSW_Z) != 0)) == 0);
+ break;
+ }
+
+ State.regs[OP[1]] = result;
+ trace_output (OP_EX1);
+}
+
+/* satadd reg,reg */
+void
+OP_C0 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov, sat;
+
+ trace_input ("satadd", OP_REG_REG, 0);
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 + op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (result < op0 || result < op1);
+ ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
+ && (op0 & 0x80000000) != (result & 0x80000000));
+ sat = ov;
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
+ | (sat ? PSW_SAT : 0));
+
+ /* Handle saturated results. */
+ if (sat && s)
+ State.regs[OP[1]] = 0x80000000;
+ else if (sat)
+ State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_REG_REG);
}
+/* satadd sign_extend(imm5), reg */
void
-OP_720 ()
+OP_220 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov, sat;
+
+ int temp;
+
+ trace_input ("satadd", OP_IMM_REG, 0);
+
+ /* Compute the result. */
+ temp = SEXT5 (OP[0]);
+ op0 = temp;
+ op1 = State.regs[OP[1]];
+ result = op0 + op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (result < op0 || result < op1);
+ ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
+ && (op0 & 0x80000000) != (result & 0x80000000));
+ sat = ov;
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
+ | (sat ? PSW_SAT : 0));
+
+ /* Handle saturated results. */
+ if (sat && s)
+ State.regs[OP[1]] = 0x80000000;
+ else if (sat)
+ State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_IMM_REG);
}
+/* satsub reg1, reg2 */
void
-OP_60 ()
+OP_A0 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov, sat;
+
+ trace_input ("satsub", OP_REG_REG, 0);
+
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op1 - op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 < op0);
+ ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
+ && (op1 & 0x80000000) != (result & 0x80000000));
+ sat = ov;
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
+ | (sat ? PSW_SAT : 0));
+
+ /* Handle saturated results. */
+ if (sat && s)
+ State.regs[OP[1]] = 0x80000000;
+ else if (sat)
+ State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_REG_REG);
}
+/* satsubi sign_extend(imm16), reg */
void
-OP_2A0 ()
+OP_660 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov, sat;
+ int temp;
+
+ trace_input ("satsubi", OP_IMM_REG, 0);
+
+ /* Compute the result. */
+ temp = SEXT16 (OP[0]);
+ op0 = temp;
+ op1 = State.regs[OP[1]];
+ result = op1 - op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 < op0);
+ ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
+ && (op1 & 0x80000000) != (result & 0x80000000));
+ sat = ov;
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
+ | (sat ? PSW_SAT : 0));
+
+ /* Handle saturated results. */
+ if (sat && s)
+ State.regs[OP[1]] = 0x80000000;
+ else if (sat)
+ State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_IMM_REG);
}
+/* satsubr reg,reg */
void
-OP_87C0 ()
+OP_80 ()
{
+ unsigned int op0, op1, result, z, s, cy, ov, sat;
+
+ trace_input ("satsubr", OP_REG_REG, 0);
+
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 - op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (result < op0);
+ ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
+ && (op1 & 0x80000000) != (result & 0x80000000));
+ sat = ov;
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
+ | (sat ? PSW_SAT : 0));
+
+ /* Handle saturated results. */
+ if (sat && s)
+ State.regs[OP[1]] = 0x80000000;
+ else if (sat)
+ State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_REG_REG);
}
+/* tst reg,reg */
void
-OP_300 ()
+OP_160 ()
{
+ unsigned int op0, op1, result, z, s;
+
+ trace_input ("tst", OP_REG_REG_CMP, 0);
+
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 & op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the condition codes. */
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_REG_REG_CMP);
}
/* mov reg, reg */
void
OP_0 ()
{
+ trace_input ("mov", OP_REG_REG_MOVE, 0);
State.regs[OP[1]] = State.regs[OP[0]];
+ trace_output (OP_REG_REG_MOVE);
}
/* mov sign_extend(imm5), reg */
void
OP_200 ()
{
- int value = OP[0];
+ int value = SEXT5 (OP[0]);
- value = (value << 27) >> 27;
+ trace_input ("mov", OP_IMM_REG_MOVE, 0);
State.regs[OP[1]] = value;
+ trace_output (OP_IMM_REG_MOVE);
}
/* movea sign_extend(imm16), reg, reg */
void
OP_620 ()
{
- int value = OP[0];
-
- value = (value << 16) >> 16;
+ int value = SEXT16 (OP[0]);
+ trace_input ("movea", OP_IMM_REG_REG, 0);
State.regs[OP[2]] = State.regs[OP[1]] + value;
+ trace_output (OP_IMM_REG_REG);
}
/* movhi imm16, reg, reg */
void
OP_640 ()
{
- int value = OP[0];
-
- value = (value & 0xffff) << 16;
+ uint32 value = (OP[0] & 0xffff) << 16;
+ trace_input ("movhi", OP_UIMM_REG_REG, 16);
State.regs[OP[2]] = State.regs[OP[1]] + value;
+ trace_output (OP_UIMM_REG_REG);
}
+/* sar zero_extend(imm5),reg1 */
void
-OP_7C0 ()
+OP_2A0 ()
{
-}
+ unsigned int op0, op1, result, z, s, cy;
-void
-OP_1687E0 ()
-{
-}
+ trace_input ("sar", OP_IMM_REG, 0);
+ op0 = OP[0] & 0x1f;
+ op1 = State.regs[OP[1]];
+ result = (signed)op1 >> op0;
-void
-OP_1E0 ()
-{
-}
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (op0 - 1)));
-void
-OP_A0 ()
-{
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+ trace_output (OP_IMM_REG);
}
+/* sar reg1, reg2 */
void
-OP_260 ()
+OP_A007E0 ()
{
+ unsigned int op0, op1, result, z, s, cy;
+
+ trace_input ("sar", OP_REG_REG, 0);
+ op0 = State.regs[OP[0]] & 0x1f;
+ op1 = State.regs[OP[1]];
+ result = (signed)op1 >> op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (op0 - 1)));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+ trace_output (OP_REG_REG);
}
+/* shl zero_extend(imm5),reg1 */
void
-OP_6E0 ()
+OP_2C0 ()
{
+ unsigned int op0, op1, result, z, s, cy;
+
+ trace_input ("shl", OP_IMM_REG, 0);
+ op0 = OP[0] & 0x1f;
+ op1 = State.regs[OP[1]];
+ result = op1 << op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (32 - op0)));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+ trace_output (OP_IMM_REG);
}
+/* shl reg1, reg2 */
void
-OP_740 ()
+OP_C007E0 ()
{
+ unsigned int op0, op1, result, z, s, cy;
+
+ trace_input ("shl", OP_REG_REG, 0);
+ op0 = State.regs[OP[0]] & 0x1f;
+ op1 = State.regs[OP[1]];
+ result = op1 << op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (32 - op0)));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+ trace_output (OP_REG_REG);
}
+/* shr zero_extend(imm5),reg1 */
void
-OP_80 ()
+OP_280 ()
{
+ unsigned int op0, op1, result, z, s, cy;
+
+ trace_input ("shr", OP_IMM_REG, 0);
+ op0 = OP[0] & 0x1f;
+ op1 = State.regs[OP[1]];
+ result = op1 >> op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (op0 - 1)));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+ trace_output (OP_IMM_REG);
}
+/* shr reg1, reg2 */
void
-OP_14007E0 ()
+OP_8007E0 ()
{
-}
+ unsigned int op0, op1, result, z, s, cy;
-/* not reg1, reg2
+ trace_input ("shr", OP_REG_REG, 0);
+ op0 = State.regs[OP[0]] & 0x1f;
+ op1 = State.regs[OP[1]];
+ result = op1 >> op0;
- XXX condition codes */
-void
-OP_20 ()
-{
- State.regs[OP[1]] = ~State.regs[OP[0]];
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (op0 - 1)));
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+ trace_output (OP_REG_REG);
}
+/* or reg, reg */
void
-OP_A007E0 ()
+OP_100 ()
{
+ unsigned int op0, op1, result, z, s;
+
+ trace_input ("or", OP_REG_REG, 0);
+
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 | op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_REG_REG);
}
+/* ori zero_extend(imm16), reg, reg */
void
-OP_500 ()
+OP_680 ()
{
+ unsigned int op0, op1, result, z, s;
+
+ trace_input ("ori", OP_UIMM_REG_REG, 0);
+ op0 = OP[0] & 0xffff;
+ op1 = State.regs[OP[1]];
+ result = op0 | op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[2]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_UIMM_REG_REG);
}
+/* and reg, reg */
void
-OP_2C0 ()
+OP_140 ()
{
+ unsigned int op0, op1, result, z, s;
+
+ trace_input ("and", OP_REG_REG, 0);
+
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 & op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_REG_REG);
}
+/* andi zero_extend(imm16), reg, reg */
void
-OP_10007E0 ()
+OP_6C0 ()
{
+ unsigned int op0, op1, result, z;
+
+ trace_input ("andi", OP_UIMM_REG_REG, 0);
+ op0 = OP[0] & 0xffff;
+ op1 = State.regs[OP[1]];
+ result = op0 & op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[2]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= (z ? PSW_Z : 0);
+ trace_output (OP_UIMM_REG_REG);
}
+/* xor reg, reg */
void
-OP_47C0 ()
+OP_120 ()
{
+ unsigned int op0, op1, result, z, s;
+
+ trace_input ("xor", OP_REG_REG, 0);
+
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ op1 = State.regs[OP[1]];
+ result = op0 ^ op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_REG_REG);
}
+/* xori zero_extend(imm16), reg, reg */
void
-OP_2007E0 ()
+OP_6A0 ()
{
+ unsigned int op0, op1, result, z, s;
+
+ trace_input ("xori", OP_UIMM_REG_REG, 0);
+ op0 = OP[0] & 0xffff;
+ op1 = State.regs[OP[1]];
+ result = op0 ^ op1;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[2]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_UIMM_REG_REG);
}
+/* not reg1, reg2 */
void
-OP_7E0 ()
+OP_20 ()
{
-}
+ unsigned int op0, result, z, s;
+
+ trace_input ("not", OP_REG_REG_MOVE, 0);
+ /* Compute the result. */
+ op0 = State.regs[OP[0]];
+ result = ~op0;
-/* or reg, reg
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+
+ /* Store the result and condition codes. */
+ State.regs[OP[1]] = result;
+ State.sregs[5] &= ~(PSW_Z | PSW_S | PSW_OV);
+ State.sregs[5] |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
+ trace_output (OP_REG_REG_MOVE);
+}
- XXX condition codes. */
+/* set1 */
void
-OP_100 ()
+OP_7C0 ()
{
- State.regs[OP[1]] |= State.regs[OP[0]];
-}
+ unsigned int op0, op1, op2;
+ int temp;
-/* ori zero_extend(imm16), reg, reg
+ trace_input ("set1", OP_BIT, 0);
+ op0 = State.regs[OP[0]];
+ op1 = OP[1] & 0x7;
+ temp = SEXT16 (OP[2]);
+ op2 = temp;
+ temp = get_byte (State.mem + op0 + op2);
+ State.sregs[5] &= ~PSW_Z;
+ if ((temp & (1 << op1)) == 0)
+ State.sregs[5] |= PSW_Z;
+ temp |= (1 << op1);
+ put_byte (State.mem + op0 + op2, temp);
+ trace_output (OP_BIT);
+}
- XXX condition codes */
+/* not1 */
void
-OP_680 ()
+OP_47C0 ()
{
- int value = OP[0];
-
- value &= 0xffff;
+ unsigned int op0, op1, op2;
+ int temp;
- State.regs[OP[2]] = State.regs[OP[1]] | value;
+ trace_input ("not1", OP_BIT, 0);
+ op0 = State.regs[OP[0]];
+ op1 = OP[1] & 0x7;
+ temp = SEXT16 (OP[2]);
+ op2 = temp;
+ temp = get_byte (State.mem + op0 + op2);
+ State.sregs[5] &= ~PSW_Z;
+ if ((temp & (1 << op1)) == 0)
+ State.sregs[5] |= PSW_Z;
+ temp ^= (1 << op1);
+ put_byte (State.mem + op0 + op2, temp);
+ trace_output (OP_BIT);
}
-/* and reg, reg
-
- XXX condition codes. */
+/* clr1 */
void
-OP_140 ()
+OP_87C0 ()
{
- State.regs[OP[1]] &= State.regs[OP[0]];
-}
+ unsigned int op0, op1, op2;
+ int temp;
-/* andi zero_extend(imm16), reg, reg
+ trace_input ("clr1", OP_BIT, 0);
+ op0 = State.regs[OP[0]];
+ op1 = OP[1] & 0x7;
+ temp = SEXT16 (OP[2]);
+ op2 = temp;
+ temp = get_byte (State.mem + op0 + op2);
+ State.sregs[5] &= ~PSW_Z;
+ if ((temp & (1 << op1)) == 0)
+ State.sregs[5] |= PSW_Z;
+ temp &= ~(1 << op1);
+ put_byte (State.mem + op0 + op2, temp);
+ trace_output (OP_BIT);
+}
- XXX condition codes. */
+/* tst1 */
void
-OP_6C0 ()
+OP_C7C0 ()
{
- int value = OP[0];
-
- value &= 0xffff;
+ unsigned int op0, op1, op2;
+ int temp;
- State.regs[OP[2]] = State.regs[OP[1]] & value;
+ trace_input ("tst1", OP_BIT, 0);
+ op0 = State.regs[OP[0]];
+ op1 = OP[1] & 0x7;
+ temp = SEXT16 (OP[2]);
+ op2 = temp;
+ temp = get_byte (State.mem + op0 + op2);
+ State.sregs[5] &= ~PSW_Z;
+ if ((temp & (1 << op1)) == 0)
+ State.sregs[5] |= PSW_Z;
+ trace_output (OP_BIT);
}
-/* xor reg, reg
-
- XXX condition codes. */
+/* di */
void
-OP_120 ()
+OP_16007E0 ()
{
- State.regs[OP[1]] ^= State.regs[OP[0]];
+ trace_input ("di", OP_NONE, 0);
+ State.sregs[5] |= PSW_ID;
+ trace_output (OP_NONE);
}
-/* xori zero_extend(imm16), reg, reg
-
- XXX condition codes. */
+/* ei */
void
-OP_6A0 ()
+OP_16087E0 ()
{
- int value = OP[0];
-
- value &= 0xffff;
-
- State.regs[OP[2]] = State.regs[OP[1]] ^ value;
+ trace_input ("ei", OP_NONE, 0);
+ State.sregs[5] &= ~PSW_ID;
+ trace_output (OP_NONE);
}
+/* halt, not supported */
void
-OP_C0 ()
+OP_12007E0 ()
{
+ trace_input ("halt", OP_NONE, 0);
+ State.exception = SIGQUIT;
+ trace_output (OP_NONE);
}
+/* reti, not supported */
void
-OP_480 ()
+OP_14007E0 ()
{
+ trace_input ("reti", OP_NONE, 0);
+ trace_output (OP_NONE);
+ abort ();
}
+/* trap, not supportd */
void
-OP_380 ()
+OP_10007E0 ()
+{
+ extern int errno;
+
+ trace_input ("trap", OP_TRAP, 0);
+ trace_output (OP_TRAP);
+
+ /* Trap 0 is used for simulating low-level I/O */
+
+ if (OP[0] == 0)
+ {
+ int save_errno = errno;
+ errno = 0;
+
+/* Registers passed to trap 0 */
+
+#define FUNC State.regs[6] /* function number, return value */
+#define PARM1 State.regs[7] /* optional parm 1 */
+#define PARM2 State.regs[8] /* optional parm 2 */
+#define PARM3 State.regs[9] /* optional parm 3 */
+
+/* Registers set by trap 0 */
+
+#define RETVAL State.regs[10] /* return value */
+#define RETERR State.regs[11] /* return error code */
+
+/* Turn a pointer in a register into a pointer into real memory. */
+
+#define MEMPTR(x) ((char *)((x) + State.mem))
+
+
+ switch (FUNC)
+ {
+#if !defined(__GO32__) && !defined(_WIN32)
+ case SYS_fork:
+ RETVAL = fork ();
+ break;
+ case SYS_execve:
+ RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2),
+ (char **)MEMPTR (PARM3));
+ break;
+ case SYS_execv:
+ RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL);
+ break;
+#if 0
+ case SYS_pipe:
+ {
+ reg_t buf;
+ int host_fd[2];
+
+ buf = PARM1;
+ RETVAL = pipe (host_fd);
+ SW (buf, host_fd[0]);
+ buf += sizeof(uint16);
+ SW (buf, host_fd[1]);
+ }
+ break;
+
+ case SYS_wait:
+ {
+ int status;
+
+ RETVAL = wait (&status);
+ SW (PARM1, status);
+ }
+ break;
+#endif
+#endif
+
+ case SYS_read:
+ RETVAL = v850_callback->read (v850_callback, PARM1, MEMPTR (PARM2),
+ PARM3);
+ break;
+ case SYS_write:
+ if (PARM1 == 1)
+ RETVAL = (int)v850_callback->write_stdout (v850_callback,
+ MEMPTR (PARM2), PARM3);
+ else
+ RETVAL = (int)v850_callback->write (v850_callback, PARM1,
+ MEMPTR (PARM2), PARM3);
+ break;
+ case SYS_lseek:
+ RETVAL = v850_callback->lseek (v850_callback, PARM1, PARM2, PARM3);
+ break;
+ case SYS_close:
+ RETVAL = v850_callback->close (v850_callback, PARM1);
+ break;
+ case SYS_open:
+ RETVAL = v850_callback->open (v850_callback, MEMPTR (PARM1), PARM2);
+ break;
+ case SYS_exit:
+ /* EXIT - caller can look in PARM1 to work out the
+ reason */
+ if (PARM1 == 0xdead || PARM1 == 0x1)
+ State.exception = SIGABRT;
+ else
+ State.exception = SIGQUIT;
+ break;
+
+#if 0
+ case SYS_stat: /* added at hmsi */
+ /* stat system call */
+ {
+ struct stat host_stat;
+ reg_t buf;
+
+ RETVAL = stat (MEMPTR (PARM1), &host_stat);
+
+ buf = PARM2;
+
+ /* The hard-coded offsets and sizes were determined by using
+ * the D10V compiler on a test program that used struct stat.
+ */
+ SW (buf, host_stat.st_dev);
+ SW (buf+2, host_stat.st_ino);
+ SW (buf+4, host_stat.st_mode);
+ SW (buf+6, host_stat.st_nlink);
+ SW (buf+8, host_stat.st_uid);
+ SW (buf+10, host_stat.st_gid);
+ SW (buf+12, host_stat.st_rdev);
+ SLW (buf+16, host_stat.st_size);
+ SLW (buf+20, host_stat.st_atime);
+ SLW (buf+28, host_stat.st_mtime);
+ SLW (buf+36, host_stat.st_ctime);
+ }
+#endif
+ break;
+
+ case SYS_chown:
+ RETVAL = chown (MEMPTR (PARM1), PARM2, PARM3);
+ break;
+ case SYS_chmod:
+ RETVAL = chmod (MEMPTR (PARM1), PARM2);
+ break;
+ case SYS_utime:
+ /* Cast the second argument to void *, to avoid type mismatch
+ if a prototype is present. */
+ RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM2));
+ break;
+ default:
+ abort ();
+ }
+ RETERR = errno;
+ errno = save_errno;
+ }
+ else if (OP[0] == 1 )
+ {
+ char *fstr = State.regs[2] + State.mem;
+ puts (fstr);
+ }
+}
+
+/* ldsr, reg,reg */
+void
+OP_2007E0 ()
{
+ unsigned int op0;
+
+ trace_input ("ldsr", OP_LDSR, 0);
+ op0 = State.regs[OP[0]];
+ State.sregs[OP[1]] = op0;
+ trace_output (OP_LDSR);
}
+/* stsr, not supported */
void
-OP_501 ()
+OP_4007E0 ()
{
+ unsigned int op0;
+
+ trace_input ("stsr", OP_STSR, 0);
+ op0 = State.sregs[OP[1]];
+ State.regs[OP[0]] = op0;
+ trace_output (OP_STSR);
}
projects / deliverable / binutils-gdb.git / blobdiff