#include <signal.h>
#include "v850_sim.h"
#include "simops.h"
+#include "sys/syscall.h"
+#include "bfd.h"
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/times.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[0], OP[1]);
+ break;
+
+ case OP_COND_BR:
+ sprintf (buf, "%d", SEXT9 (OP[0]));
+ break;
+
+ case OP_LOAD16:
+ sprintf (buf, "%d[r30],r%d", OP[1] * size, OP[0]);
+ break;
+
+ case OP_STORE16:
+ sprintf (buf, "r%d,%d[r30]", OP[0], OP[1] * size);
+ break;
+
+ case OP_LOAD32:
+ sprintf (buf, "%d[r%d],r%d", SEXT16 (OP[2]) & ~0x1, OP[0], OP[1]);
+ break;
+
+ case OP_STORE32:
+ sprintf (buf, "r%d,%d[r%d]", OP[1], SEXT16 (OP[2] & ~0x1), 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] = OP[1] * size;
+ values[1] = State.regs[30];
+ num_values = 2;
+ break;
+
+ case OP_STORE16:
+ values[0] = State.regs[OP[0]];
+ values[1] = 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_300 ()
unsigned int op2;
int result, temp;
+ trace_input ("sld.b", OP_LOAD16, 1);
temp = OP[1];
- temp = (temp << 25) >> 25;
+ temp &= 0x7f;
op2 = temp;
- result = get_byte (State.mem + State.regs[30] + op2);
- result = (result << 24) >> 24;
- State.regs[OP[0]] = result;
+ result = load_mem (State.regs[30] + op2, 1);
+ State.regs[OP[0]] = SEXT8 (result);
+ trace_output (OP_LOAD16);
}
/* sld.h */
unsigned int op2;
int result, temp;
+ trace_input ("sld.h", OP_LOAD16, 2);
temp = OP[1];
- temp = (temp << 25) >> 25;
+ temp &= 0x7f;
op2 = temp << 1;
- result = get_half (State.mem + State.regs[30] + op2);
- result = (result << 16) >> 16;
- State.regs[OP[0]] = result;
+ result = load_mem (State.regs[30] + op2, 2);
+ State.regs[OP[0]] = SEXT16 (result);
+ trace_output (OP_LOAD16);
}
/* sld.w */
unsigned int op2;
int result, temp;
+ trace_input ("sld.w", OP_LOAD16, 4);
temp = OP[1];
- temp = (temp << 25) >> 25;
- op2 = temp << 2;
- result = get_word (State.mem + State.regs[30] + op2);
+ temp &= 0x7e;
+ op2 = temp << 1;
+ result = load_mem (State.regs[30] + op2, 4);
State.regs[OP[0]] = result;
+ trace_output (OP_LOAD16);
}
/* sst.b */
unsigned int op0, op1;
int temp;
+ trace_input ("sst.b", OP_STORE16, 1);
op0 = State.regs[OP[0]];
temp = OP[1];
- temp = (temp << 25) >> 25;
+ temp &= 0x7f;
op1 = temp;
- put_byte (State.mem + State.regs[30] + op1, op0);
+ store_mem (State.regs[30] + op1, 1, op0);
+ trace_output (OP_STORE16);
}
/* sst.h */
unsigned int op0, op1;
int temp;
+ trace_input ("sst.h", OP_STORE16, 2);
op0 = State.regs[OP[0]];
temp = OP[1];
- temp = (temp << 25) >> 25;
+ temp &= 0x7f;
op1 = temp << 1;
- put_half (State.mem + State.regs[30] + op1, op0);
+ store_mem (State.regs[30] + op1, 2, op0);
+ trace_output (OP_STORE16);
}
/* sst.w */
unsigned int op0, op1;
int temp;
+ trace_input ("sst.w", OP_STORE16, 4);
op0 = State.regs[OP[0]];
temp = OP[1];
- temp = (temp << 25) >> 25;
- op1 = temp << 2;
- put_word (State.mem + State.regs[30] + op1, op0);
+ temp &= 0x7e;
+ op1 = temp << 1;
+ store_mem (State.regs[30] + op1, 4, op0);
+ trace_output (OP_STORE16);
}
/* ld.b */
unsigned int op0, op2;
int result, temp;
+ trace_input ("ld.b", OP_LOAD32, 1);
op0 = State.regs[OP[0]];
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
op2 = temp;
- result = get_byte (State.mem + op0 + op2);
- result = (result << 24) >> 24;
- State.regs[OP[1]] = result;
+ result = load_mem (op0 + op2, 1);
+ State.regs[OP[1]] = SEXT8 (result);
+ trace_output (OP_LOAD32);
}
/* ld.h */
unsigned int op0, op2;
int result, temp;
+ trace_input ("ld.h", OP_LOAD32, 2);
op0 = State.regs[OP[0]];
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
temp &= ~0x1;
op2 = temp;
- result = get_half (State.mem + op0 + op2);
- result = (result << 16) >> 16;
- State.regs[OP[1]] = result;
+ result = load_mem (op0 + op2, 2);
+ State.regs[OP[1]] = SEXT16 (result);
+ trace_output (OP_LOAD32);
}
/* ld.w */
unsigned int op0, op2;
int result, temp;
+ trace_input ("ld.w", OP_LOAD32, 4);
op0 = State.regs[OP[0]];
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
temp &= ~0x1;
op2 = temp;
- result = get_word (State.mem + op0 + op2);
+ result = load_mem (op0 + op2, 4);
State.regs[OP[1]] = result;
+ trace_output (OP_LOAD32);
}
/* st.b */
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 = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
op2 = temp;
- put_byte (State.mem + op0 + op2, op1);
+ store_mem (op0 + op2, 1, op1);
+ trace_output (OP_STORE32);
}
/* st.h */
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 = OP[2];
- temp &= ~0x1;
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2] & ~0x1);
op2 = temp;
- put_half (State.mem + op0 + op2, op1);
+ store_mem (op0 + op2, 2, op1);
+ trace_output (OP_STORE32);
}
/* st.w */
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 = OP[2];
- temp &= ~0x1;
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2] & ~0x1);
op2 = temp;
- put_word (State.mem + op0 + op2, op1);
+ store_mem (op0 + op2, 4, op1);
+ trace_output (OP_STORE32);
}
/* bv disp9 */
void
OP_580 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_581 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_582 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_583 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_584 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_585 ()
{
- unsigned int op0;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ trace_input ("br", OP_COND_BR, 0);
+ op0 = SEXT9 (OP[0]);
State.pc += op0;
+ trace_output (OP_COND_BR);
}
/* blt disp9 */
void
OP_586 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_587 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ trace_input ("ble", 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);
}
/* bnv disp9 */
void
OP_588 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_589 ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_58A ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_58B ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_58C ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_58D ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_58E ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ 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_58F ()
{
- unsigned int op0, psw;
+ unsigned int psw;
+ int op0;
- op0 = ((signed)OP[0] << 23) >> 23;
+ trace_input ("bgt", 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);
}
/* jmp [reg1] */
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 */
unsigned int op0, opc;
int temp;
- temp = OP[0];
- temp = (temp << 10) >> 10;
+ trace_input ("jarl", OP_JUMP, 0);
+ temp = SEXT22 (OP[0]);
op0 = temp;
opc = State.pc;
/* 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 */
{
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]];
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
- /* According to the manual, 's' is inverted if 'ov'
- is set. */
- s = ov ? !s : s;
-
/* 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 */
unsigned int op0, op1, result, z, s, cy, ov;
int temp;
+ trace_input ("add", OP_IMM_REG, 0);
+
/* Compute the result. */
- temp = (OP[0] & 0x1f);
- temp = (temp << 27) >> 27;
+ temp = SEXT5 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op0 + op1;
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
- /* According to the manual, 's' is inverted if 'ov'
- is set. */
- s = ov ? !s : s;
-
/* 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 */
unsigned int op0, op1, result, z, s, cy, ov;
int temp;
+ trace_input ("addi", OP_IMM_REG_REG, 0);
+
/* Compute the result. */
- temp = (OP[0] & 0xffff);
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op0 + op1;
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
- /* According to the manual, 's' is inverted if 'ov'
- is set. */
- s = ov ? !s : s;
-
/* 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 */
{
unsigned int op0, op1, result, z, s, cy, ov;
+ trace_input ("sub", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[OP[0]];
op1 = State.regs[OP[1]];
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
- /* According to the manual, 's' is inverted if 'ov'
- is set. */
- s = ov ? !s : s;
-
/* 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 */
{
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]];
ov = ((op0 & 0x80000000) != (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
- /* According to the manual, 's' is inverted if 'ov'
- is set. */
- s = ov ? !s : s;
-
/* 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_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
void
OP_2E0 ()
{
- int value = OP[0];
+ int value = SEXT5 (OP[0]);
- value = (value << 27) >> 27;
-
+ 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_6E0 ()
{
- int value = OP[0];
-
- value = value & 0xffff;
+ 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 */
unsigned int op0, op1, result, ov, s, z;
int temp;
+ trace_input ("divh", OP_REG_REG, 0);
+
/* Compute the result. */
- temp = State.regs[OP[0]] & 0xffff;
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (State.regs[OP[0]]);
op0 = temp;
op1 = State.regs[OP[1]];
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 */
{
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]];
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 */
int temp;
/* Compute the result. */
- temp = OP[0];
- temp = (temp << 27) >> 27;
+ trace_input ("cmp", OP_IMM_REG_CMP, 0);
+ temp = SEXT5 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op1 - op0;
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 */
wanted 4 bits. */
unsigned int op0, psw, result = 0;
+ trace_input ("setf", OP_EX1, 0);
op0 = OP[0] & 0xf;
psw = State.sregs[5];
}
State.regs[OP[1]] = result;
+ trace_output (OP_EX1);
}
/* satadd reg,reg */
{
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]];
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_REG_REG);
}
/* satadd sign_extend(imm5), reg */
int temp;
+ trace_input ("satadd", OP_IMM_REG, 0);
+
/* Compute the result. */
- temp = (OP[0] & 0x1f);
- temp = (temp << 27) >> 27;
+ temp = SEXT5 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op0 + op1;
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_IMM_REG);
}
/* satsub reg1, reg2 */
{
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]];
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_REG_REG);
}
/* satsubi sign_extend(imm16), reg */
unsigned int op0, op1, result, z, s, cy, ov, sat;
int temp;
+ trace_input ("satsubi", OP_IMM_REG, 0);
+
/* Compute the result. */
- temp = (OP[0] & 0xffff);
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op1 - op0;
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_IMM_REG);
}
+/* satsubr reg,reg */
void
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]];
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
+ trace_output (OP_REG_REG);
}
/* tst reg,reg */
{
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]];
/* 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 */
{
unsigned int op0, op1, result, z, s, cy;
+ trace_input ("sar", OP_IMM_REG, 0);
op0 = OP[0] & 0x1f;
op1 = State.regs[OP[1]];
result = (signed)op1 >> op0;
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 */
{
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;
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 */
{
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;
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 */
{
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;
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 */
{
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;
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 */
{
unsigned int op0, op1, result, z, s, cy;
+ trace_input ("shr", OP_REG_REG, 0);
op0 = State.regs[OP[0]] & 0x1f;
op1 = State.regs[OP[1]];
result = op1 >> op0;
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 */
{
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]];
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 */
{
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;
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 */
{
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]];
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 */
{
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;
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 */
{
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]];
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 */
{
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;
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 */
{
unsigned int op0, result, z, s;
+ trace_input ("not", OP_REG_REG_MOVE, 0);
/* Compute the result. */
op0 = State.regs[OP[0]];
result = ~op0;
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);
}
/* set1 */
unsigned int op0, op1, op2;
int temp;
+ trace_input ("set1", OP_BIT, 0);
op0 = State.regs[OP[0]];
op1 = OP[1] & 0x7;
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
op2 = temp;
- temp = get_byte (State.mem + op0 + op2);
+ temp = load_mem (op0 + op2, 1);
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);
+ store_mem (op0 + op2, 1, temp);
+ trace_output (OP_BIT);
}
/* not1 */
unsigned int op0, op1, op2;
int temp;
+ trace_input ("not1", OP_BIT, 0);
op0 = State.regs[OP[0]];
op1 = OP[1] & 0x7;
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
op2 = temp;
- temp = get_byte (State.mem + op0 + op2);
+ temp = load_mem (op0 + op2, 1);
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);
+ store_mem (op0 + op2, 1, temp);
+ trace_output (OP_BIT);
}
/* clr1 */
unsigned int op0, op1, op2;
int temp;
+ trace_input ("clr1", OP_BIT, 0);
op0 = State.regs[OP[0]];
op1 = OP[1] & 0x7;
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
op2 = temp;
- temp = get_byte (State.mem + op0 + op2);
+ temp = load_mem (op0 + op2, 1);
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);
+ store_mem (op0 + op2, 1, temp);
+ trace_output (OP_BIT);
}
/* tst1 */
unsigned int op0, op1, op2;
int temp;
+ trace_input ("tst1", OP_BIT, 0);
op0 = State.regs[OP[0]];
op1 = OP[1] & 0x7;
- temp = OP[2];
- temp = (temp << 16) >> 16;
+ temp = SEXT16 (OP[2]);
op2 = temp;
- temp = get_byte (State.mem + op0 + op2);
+ temp = load_mem (op0 + op2, 1);
State.sregs[5] &= ~PSW_Z;
if ((temp & (1 << op1)) == 0)
State.sregs[5] |= PSW_Z;
+ trace_output (OP_BIT);
+}
+
+/* breakpoint */
+void
+OP_FFFF ()
+{
+ State.exception = SIGTRAP;
+ PC -= 4;
}
/* di */
void
OP_16007E0 ()
{
+ trace_input ("di", OP_NONE, 0);
State.sregs[5] |= PSW_ID;
+ trace_output (OP_NONE);
}
/* ei */
void
OP_16087E0 ()
{
+ trace_input ("ei", OP_NONE, 0);
State.sregs[5] &= ~PSW_ID;
+ trace_output (OP_NONE);
}
/* halt, not supported */
void
OP_12007E0 ()
{
+ trace_input ("halt", OP_NONE, 0);
State.exception = SIGQUIT;
+ trace_output (OP_NONE);
}
/* reti, not supported */
void
OP_14007E0 ()
{
- abort ();
+ trace_input ("reti", OP_NONE, 0);
+ trace_output (OP_NONE);
+
+ if ((State.sregs[5] & (PSW_NP | PSW_EP)) == PSW_NP)
+ { /* Only NP is on */
+ PC = State.sregs[2] - 4; /* FEPC */
+ State.sregs[5] = State.sregs[3]; /* FEPSW */
+ }
+ else
+ {
+ PC = State.sregs[0] - 4; /* EIPC */
+ State.sregs[5] = State.sregs[1]; /* EIPSW */
+ }
}
/* trap, not supportd */
void
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 */
+ /* Trap 31 is used for simulating OS I/O functions */
- if (OP[0] == 0)
+ if (OP[0] == 31)
{
-#if 0
- char *fstr = State.regs[2] + State.imem;
- printf (fstr,State.regs[3],State.regs[4],State.regs[5]);
-#else
int save_errno = errno;
errno = 0;
/* Turn a pointer in a register into a pointer into real memory. */
-#define MEMPTR(x) ((char *)((x) + State.mem))
-
+#define MEMPTR(x) (map (x))
switch (FUNC)
{
-#if 0
#if !defined(__GO32__) && !defined(_WIN32)
case SYS_fork:
RETVAL = fork ();
case SYS_execv:
RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL);
break;
+#if 0
case SYS_pipe:
{
reg_t buf;
SW (PARM1, status);
}
break;
+#endif
#endif
case SYS_read:
RETVAL = v850_callback->read (v850_callback, PARM1, MEMPTR (PARM2),
PARM3);
break;
-#endif
case SYS_write:
if (PARM1 == 1)
RETVAL = (int)v850_callback->write_stdout (v850_callback,
RETVAL = (int)v850_callback->write (v850_callback, PARM1,
MEMPTR (PARM2), PARM3);
break;
-#if 0
case SYS_lseek:
RETVAL = v850_callback->lseek (v850_callback, PARM1, PARM2, PARM3);
break;
case SYS_open:
RETVAL = v850_callback->open (v850_callback, MEMPTR (PARM1), PARM2);
break;
-#endif
case SYS_exit:
/* EXIT - caller can look in PARM1 to work out the
reason */
State.exception = SIGQUIT;
break;
-#if 0
case SYS_stat: /* added at hmsi */
/* stat system call */
{
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);
+ /* Just wild-assed guesses. */
+ store_mem (buf, 2, host_stat.st_dev);
+ store_mem (buf + 2, 2, host_stat.st_ino);
+ store_mem (buf + 4, 4, host_stat.st_mode);
+ store_mem (buf + 8, 2, host_stat.st_nlink);
+ store_mem (buf + 10, 2, host_stat.st_uid);
+ store_mem (buf + 12, 2, host_stat.st_gid);
+ store_mem (buf + 14, 2, host_stat.st_rdev);
+ store_mem (buf + 16, 4, host_stat.st_size);
+ store_mem (buf + 20, 4, host_stat.st_atime);
+ store_mem (buf + 28, 4, host_stat.st_mtime);
+ store_mem (buf + 36, 4, host_stat.st_ctime);
}
break;
case SYS_chmod:
RETVAL = chmod (MEMPTR (PARM1), PARM2);
break;
+ case SYS_time:
+ RETVAL = time (MEMPTR (PARM1));
+ break;
+ case SYS_times:
+ {
+ struct tms tms;
+ RETVAL = times (&tms);
+ store_mem (PARM1, 4, tms.tms_utime);
+ store_mem (PARM1 + 4, 4, tms.tms_stime);
+ store_mem (PARM1 + 8, 4, tms.tms_cutime);
+ store_mem (PARM1 + 12, 4, tms.tms_cstime);
+ break;
+ }
+ case SYS_gettimeofday:
+ {
+ struct timeval t;
+ struct timezone tz;
+ RETVAL = gettimeofday (&t, &tz);
+ store_mem (PARM1, 4, t.tv_sec);
+ store_mem (PARM1 + 4, 4, t.tv_usec);
+ store_mem (PARM2, 4, tz.tz_minuteswest);
+ store_mem (PARM2 + 4, 4, tz.tz_dsttime);
+ 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;
-#endif
default:
abort ();
}
RETERR = errno;
errno = save_errno;
-#endif
}
- else if (OP[0] == 1 )
- {
- char *fstr = State.regs[2] + State.mem;
- puts (fstr);
+ else
+ { /* Trap 0 -> 30 */
+ State.sregs[0] = PC + 4; /* EIPC */
+ State.sregs[1] = State.sregs[5]; /* EIPSW */
+ State.sregs[4] &= 0xffff0000; /* Mask out EICC */
+ State.sregs[4] |= 0x40 + OP[0]; /* EICC */
+ State.sregs[5] |= PSW_EP | PSW_ID; /* Now doing exception processing */
+ PC = ((OP[0] < 0x10) ? 0x40 : 0x50) - 4;
}
}
{
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 */
{
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