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gnu / binutils-gdb / 2786ef85faf16c13029548832c4e4b025bf2624c / . / sim / d10v / simops.c
blob: 64c888c4c42934f0d0ef6c747c5a4847336de182 [file] [log] [blame]
/* This must come before any other includes. */
#include "defs.h"
#include <signal.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include "sim-main.h"
#include "sim-signal.h"
#include "simops.h"
#include "targ-vals.h"
#define EXCEPTION(sig) sim_engine_halt (sd, cpu, NULL, PC, sim_stopped, sig)
enum op_types {
OP_VOID,
OP_REG,
OP_REG_OUTPUT,
OP_DREG,
OP_DREG_OUTPUT,
OP_ACCUM,
OP_ACCUM_OUTPUT,
OP_ACCUM_REVERSE,
OP_CR,
OP_CR_OUTPUT,
OP_CR_REVERSE,
OP_FLAG,
OP_FLAG_OUTPUT,
OP_CONSTANT16,
OP_CONSTANT8,
OP_CONSTANT3,
OP_CONSTANT4,
OP_MEMREF,
OP_MEMREF2,
OP_MEMREF3,
OP_POSTDEC,
OP_POSTINC,
OP_PREDEC,
OP_R0,
OP_R1,
OP_R2,
};
enum {
PSW_MASK = (PSW_SM_BIT
| PSW_EA_BIT
| PSW_DB_BIT
| PSW_IE_BIT
| PSW_RP_BIT
| PSW_MD_BIT
| PSW_FX_BIT
| PSW_ST_BIT
| PSW_F0_BIT
| PSW_F1_BIT
| PSW_C_BIT),
/* The following bits in the PSW _can't_ be set by instructions such
as mvtc. */
PSW_HW_MASK = (PSW_MASK | PSW_DM_BIT)
};
reg_t
move_to_cr (SIM_DESC sd, SIM_CPU *cpu, int cr, reg_t mask, reg_t val, int psw_hw_p)
{
/* A MASK bit is set when the corresponding bit in the CR should
be left alone */
/* This assumes that (VAL & MASK) == 0 */
switch (cr)
{
case PSW_CR:
if (psw_hw_p)
val &= PSW_HW_MASK;
else
val &= PSW_MASK;
if ((mask & PSW_SM_BIT) == 0)
{
int new_psw_sm = (val & PSW_SM_BIT) != 0;
/* save old SP */
SET_HELD_SP (PSW_SM, GPR (SP_IDX));
if (PSW_SM != new_psw_sm)
/* restore new SP */
SET_GPR (SP_IDX, HELD_SP (new_psw_sm));
}
if ((mask & (PSW_ST_BIT | PSW_FX_BIT)) == 0)
{
if (val & PSW_ST_BIT && !(val & PSW_FX_BIT))
{
sim_io_printf
(sd,
"ERROR at PC 0x%x: ST can only be set when FX is set.\n",
PC<<2);
EXCEPTION (SIM_SIGILL);
}
}
/* keep an up-to-date psw around for tracing */
State.trace.psw = (State.trace.psw & mask) | val;
break;
case BPSW_CR:
case DPSW_CR:
/* Just like PSW, mask things like DM out. */
if (psw_hw_p)
val &= PSW_HW_MASK;
else
val &= PSW_MASK;
break;
case MOD_S_CR:
case MOD_E_CR:
val &= ~1;
break;
default:
break;
}
/* only issue an update if the register is being changed */
if ((State.cregs[cr] & ~mask) != val)
SLOT_PEND_MASK (State.cregs[cr], mask, val);
return val;
}
#ifdef DEBUG
static void trace_input_func (SIM_DESC sd,
const char *name,
enum op_types in1,
enum op_types in2,
enum op_types in3);
#define trace_input(name, in1, in2, in3) do { if (d10v_debug) trace_input_func (sd, name, in1, in2, in3); } while (0)
#ifndef SIZE_INSTRUCTION
#define SIZE_INSTRUCTION 8
#endif
#ifndef SIZE_OPERANDS
#define SIZE_OPERANDS 18
#endif
#ifndef SIZE_VALUES
#define SIZE_VALUES 13
#endif
#ifndef SIZE_LOCATION
#define SIZE_LOCATION 20
#endif
#ifndef SIZE_PC
#define SIZE_PC 6
#endif
#ifndef SIZE_LINE_NUMBER
#define SIZE_LINE_NUMBER 4
#endif
static void
trace_input_func (SIM_DESC sd, const char *name, enum op_types in1, enum op_types in2, enum op_types in3)
{
char *comma;
enum op_types in[3];
int i;
char buf[1024];
char *p;
long tmp;
char *type;
const char *filename;
const char *functionname;
unsigned int linenumber;
bfd_vma byte_pc;
if ((d10v_debug & DEBUG_TRACE) == 0)
return;
switch (State.ins_type)
{
default:
case INS_UNKNOWN: type = " ?"; break;
case INS_LEFT: type = " L"; break;
case INS_RIGHT: type = " R"; break;
case INS_LEFT_PARALLEL: type = "*L"; break;
case INS_RIGHT_PARALLEL: type = "*R"; break;
case INS_LEFT_COND_TEST: type = "?L"; break;
case INS_RIGHT_COND_TEST: type = "?R"; break;
case INS_LEFT_COND_EXE: type = "&L"; break;
case INS_RIGHT_COND_EXE: type = "&R"; break;
case INS_LONG: type = " B"; break;
}
if ((d10v_debug & DEBUG_LINE_NUMBER) == 0)
sim_io_printf (sd,
"0x%.*x %s: %-*s ",
SIZE_PC, (unsigned)PC,
type,
SIZE_INSTRUCTION, name);
else
{
buf[0] = '\0';
byte_pc = PC;
if (STATE_TEXT_SECTION (sd)
&& byte_pc >= STATE_TEXT_START (sd)
&& byte_pc < STATE_TEXT_END (sd))
{
filename = (const char *)0;
functionname = (const char *)0;
linenumber = 0;
if (bfd_find_nearest_line (STATE_PROG_BFD (sd),
STATE_TEXT_SECTION (sd),
(struct bfd_symbol **)0,
byte_pc - STATE_TEXT_START (sd),
&filename, &functionname, &linenumber))
{
p = buf;
if (linenumber)
{
sprintf (p, "#%-*d ", SIZE_LINE_NUMBER, linenumber);
p += strlen (p);
}
else
{
sprintf (p, "%-*s ", SIZE_LINE_NUMBER+1, "---");
p += SIZE_LINE_NUMBER+2;
}
if (functionname)
{
sprintf (p, "%s ", functionname);
p += strlen (p);
}
else if (filename)
{
char *q = strrchr (filename, '/');
sprintf (p, "%s ", (q) ? q+1 : filename);
p += strlen (p);
}
if (*p == ' ')
*p = '\0';
}
}
sim_io_printf (sd,
"0x%.*x %s: %-*.*s %-*s ",
SIZE_PC, (unsigned)PC,
type,
SIZE_LOCATION, SIZE_LOCATION, buf,
SIZE_INSTRUCTION, name);
}
in[0] = in1;
in[1] = in2;
in[2] = in3;
comma = "";
p = buf;
for (i = 0; i < 3; i++)
{
switch (in[i])
{
case OP_VOID:
case OP_R0:
case OP_R1:
case OP_R2:
break;
case OP_REG:
case OP_REG_OUTPUT:
case OP_DREG:
case OP_DREG_OUTPUT:
sprintf (p, "%sr%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_CR:
case OP_CR_OUTPUT:
case OP_CR_REVERSE:
sprintf (p, "%scr%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_ACCUM:
case OP_ACCUM_OUTPUT:
case OP_ACCUM_REVERSE:
sprintf (p, "%sa%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_CONSTANT16:
sprintf (p, "%s%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_CONSTANT8:
sprintf (p, "%s%d", comma, SEXT8(OP[i]));
p += strlen (p);
comma = ",";
break;
case OP_CONSTANT4:
sprintf (p, "%s%d", comma, SEXT4(OP[i]));
p += strlen (p);
comma = ",";
break;
case OP_CONSTANT3:
sprintf (p, "%s%d", comma, SEXT3(OP[i]));
p += strlen (p);
comma = ",";
break;
case OP_MEMREF:
sprintf (p, "%s@r%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_MEMREF2:
sprintf (p, "%s@(%d,r%d)", comma, (int16)OP[i], OP[i+1]);
p += strlen (p);
comma = ",";
break;
case OP_MEMREF3:
sprintf (p, "%s@%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_POSTINC:
sprintf (p, "%s@r%d+", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_POSTDEC:
sprintf (p, "%s@r%d-", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_PREDEC:
sprintf (p, "%s@-r%d", comma, OP[i]);
p += strlen (p);
comma = ",";
break;
case OP_FLAG:
case OP_FLAG_OUTPUT:
if (OP[i] == 0)
sprintf (p, "%sf0", comma);
else if (OP[i] == 1)
sprintf (p, "%sf1", comma);
else
sprintf (p, "%sc", comma);
p += strlen (p);
comma = ",";
break;
}
}
if ((d10v_debug & DEBUG_VALUES) == 0)
{
*p++ = '\n';
*p = '\0';
sim_io_printf (sd, "%s", buf);
}
else
{
*p = '\0';
sim_io_printf (sd, "%-*s", SIZE_OPERANDS, buf);
p = buf;
for (i = 0; i < 3; i++)
{
buf[0] = '\0';
switch (in[i])
{
case OP_VOID:
sim_io_printf (sd, "%*s", SIZE_VALUES, "");
break;
case OP_REG_OUTPUT:
case OP_DREG_OUTPUT:
case OP_CR_OUTPUT:
case OP_ACCUM_OUTPUT:
case OP_FLAG_OUTPUT:
sim_io_printf (sd, "%*s", SIZE_VALUES, "---");
break;
case OP_REG:
case OP_MEMREF:
case OP_POSTDEC:
case OP_POSTINC:
case OP_PREDEC:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16) GPR (OP[i]));
break;
case OP_MEMREF3:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "", (uint16) OP[i]);
break;
case OP_DREG:
tmp = (long)((((uint32) GPR (OP[i])) << 16) | ((uint32) GPR (OP[i] + 1)));
sim_io_printf (sd, "%*s0x%.8lx", SIZE_VALUES-10, "", tmp);
break;
case OP_CR:
case OP_CR_REVERSE:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16) CREG (OP[i]));
break;
case OP_ACCUM:
case OP_ACCUM_REVERSE:
sim_io_printf (sd, "%*s0x%.2x%.8lx", SIZE_VALUES-12, "",
((int)(ACC (OP[i]) >> 32) & 0xff),
((unsigned long) ACC (OP[i])) & 0xffffffff);
break;
case OP_CONSTANT16:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16)OP[i]);
break;
case OP_CONSTANT4:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16)SEXT4(OP[i]));
break;
case OP_CONSTANT8:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16)SEXT8(OP[i]));
break;
case OP_CONSTANT3:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16)SEXT3(OP[i]));
break;
case OP_FLAG:
if (OP[i] == 0)
sim_io_printf (sd, "%*sF0 = %d", SIZE_VALUES-6, "",
PSW_F0 != 0);
else if (OP[i] == 1)
sim_io_printf (sd, "%*sF1 = %d", SIZE_VALUES-6, "",
PSW_F1 != 0);
else
sim_io_printf (sd, "%*sC = %d", SIZE_VALUES-5, "",
PSW_C != 0);
break;
case OP_MEMREF2:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16)OP[i]);
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16)GPR (OP[i + 1]));
i++;
break;
case OP_R0:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16) GPR (0));
break;
case OP_R1:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16) GPR (1));
break;
case OP_R2:
sim_io_printf (sd, "%*s0x%.4x", SIZE_VALUES-6, "",
(uint16) GPR (2));
break;
}
}
}
sim_io_flush_stdout (sd);
}
static void
do_trace_output_flush (SIM_DESC sd)
{
sim_io_flush_stdout (sd);
}
static void
do_trace_output_finish (SIM_DESC sd)
{
sim_io_printf (sd,
" F0=%d F1=%d C=%d\n",
(State.trace.psw & PSW_F0_BIT) != 0,
(State.trace.psw & PSW_F1_BIT) != 0,
(State.trace.psw & PSW_C_BIT) != 0);
sim_io_flush_stdout (sd);
}
static void
trace_output_40 (SIM_DESC sd, uint64 val)
{
if ((d10v_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
{
sim_io_printf (sd,
" :: %*s0x%.2x%.8lx",
SIZE_VALUES - 12,
"",
((int)(val >> 32) & 0xff),
((unsigned long) val) & 0xffffffff);
do_trace_output_finish (sd);
}
}
static void
trace_output_32 (SIM_DESC sd, uint32 val)
{
if ((d10v_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
{
sim_io_printf (sd,
" :: %*s0x%.8x",
SIZE_VALUES - 10,
"",
(int) val);
do_trace_output_finish (sd);
}
}
static void
trace_output_16 (SIM_DESC sd, uint16 val)
{
if ((d10v_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
{
sim_io_printf (sd,
" :: %*s0x%.4x",
SIZE_VALUES - 6,
"",
(int) val);
do_trace_output_finish (sd);
}
}
static void
trace_output_void (SIM_DESC sd)
{
if ((d10v_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
{
sim_io_printf (sd, "\n");
do_trace_output_flush (sd);
}
}
static void
trace_output_flag (SIM_DESC sd)
{
if ((d10v_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
{
sim_io_printf (sd,
" :: %*s",
SIZE_VALUES,
"");
do_trace_output_finish (sd);
}
}
#else
#define trace_input(NAME, IN1, IN2, IN3)
#define trace_output(RESULT)
#endif
/* abs */
void
OP_4607 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("abs", OP_REG, OP_VOID, OP_VOID);
SET_PSW_F1 (PSW_F0);
tmp = GPR(OP[0]);
if (tmp < 0)
{
tmp = - tmp;
SET_PSW_F0 (1);
}
else
SET_PSW_F0 (0);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* abs */
void
OP_5607 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("abs", OP_ACCUM, OP_VOID, OP_VOID);
SET_PSW_F1 (PSW_F0);
tmp = SEXT40 (ACC (OP[0]));
if (tmp < 0 )
{
tmp = - tmp;
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_PSW_F0 (1);
}
else
{
tmp = (tmp & MASK40);
SET_PSW_F0 (0);
}
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* add */
void
OP_200 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 a = GPR (OP[0]);
uint16 b = GPR (OP[1]);
uint16 tmp = (a + b);
trace_input ("add", OP_REG, OP_REG, OP_VOID);
SET_PSW_C (a > tmp);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* add */
void
OP_1201 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
tmp = SEXT40(ACC (OP[0])) + (SEXT16 (GPR (OP[1])) << 16 | GPR (OP[1] + 1));
trace_input ("add", OP_ACCUM, OP_REG, OP_VOID);
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* add */
void
OP_1203 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
tmp = SEXT40(ACC (OP[0])) + SEXT40(ACC (OP[1]));
trace_input ("add", OP_ACCUM, OP_ACCUM, OP_VOID);
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* add2w */
void
OP_1200 (SIM_DESC sd, SIM_CPU *cpu)
{
uint32 tmp;
uint32 a = (GPR (OP[0])) << 16 | GPR (OP[0] + 1);
uint32 b = (GPR (OP[1])) << 16 | GPR (OP[1] + 1);
trace_input ("add2w", OP_DREG, OP_DREG, OP_VOID);
tmp = a + b;
SET_PSW_C (tmp < a);
SET_GPR (OP[0] + 0, (tmp >> 16));
SET_GPR (OP[0] + 1, (tmp & 0xFFFF));
trace_output_32 (sd, tmp);
}
/* add3 */
void
OP_1000000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 a = GPR (OP[1]);
uint16 b = OP[2];
uint16 tmp = (a + b);
trace_input ("add3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
SET_PSW_C (tmp < a);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* addac3 */
void
OP_17000200 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
tmp = SEXT40(ACC (OP[2])) + SEXT40 ((GPR (OP[1]) << 16) | GPR (OP[1] + 1));
trace_input ("addac3", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
SET_GPR (OP[0] + 0, ((tmp >> 16) & 0xffff));
SET_GPR (OP[0] + 1, (tmp & 0xffff));
trace_output_32 (sd, tmp);
}
/* addac3 */
void
OP_17000202 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
tmp = SEXT40(ACC (OP[1])) + SEXT40(ACC (OP[2]));
trace_input ("addac3", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
SET_GPR (OP[0] + 0, (tmp >> 16) & 0xffff);
SET_GPR (OP[0] + 1, tmp & 0xffff);
trace_output_32 (sd, tmp);
}
/* addac3s */
void
OP_17001200 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
SET_PSW_F1 (PSW_F0);
trace_input ("addac3s", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
tmp = SEXT40 (ACC (OP[2])) + SEXT40 ((GPR (OP[1]) << 16) | GPR (OP[1] + 1));
if (tmp > SEXT40(MAX32))
{
tmp = (MAX32);
SET_PSW_F0 (1);
}
else if (tmp < SEXT40(MIN32))
{
tmp = (MIN32);
SET_PSW_F0 (1);
}
else
{
SET_PSW_F0 (0);
}
SET_GPR (OP[0] + 0, (tmp >> 16) & 0xffff);
SET_GPR (OP[0] + 1, (tmp & 0xffff));
trace_output_32 (sd, tmp);
}
/* addac3s */
void
OP_17001202 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
SET_PSW_F1 (PSW_F0);
trace_input ("addac3s", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
tmp = SEXT40(ACC (OP[1])) + SEXT40(ACC (OP[2]));
if (tmp > SEXT40(MAX32))
{
tmp = (MAX32);
SET_PSW_F0 (1);
}
else if (tmp < SEXT40(MIN32))
{
tmp = (MIN32);
SET_PSW_F0 (1);
}
else
{
SET_PSW_F0 (0);
}
SET_GPR (OP[0] + 0, (tmp >> 16) & 0xffff);
SET_GPR (OP[0] + 1, (tmp & 0xffff));
trace_output_32 (sd, tmp);
}
/* addi */
void
OP_201 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 a = GPR (OP[0]);
uint16 b;
uint16 tmp;
if (OP[1] == 0)
OP[1] = 16;
b = OP[1];
tmp = (a + b);
trace_input ("addi", OP_REG, OP_CONSTANT16, OP_VOID);
SET_PSW_C (tmp < a);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* and */
void
OP_C00 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp = GPR (OP[0]) & GPR (OP[1]);
trace_input ("and", OP_REG, OP_REG, OP_VOID);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* and3 */
void
OP_6000000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp = GPR (OP[1]) & OP[2];
trace_input ("and3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* bclri */
void
OP_C01 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("bclri", OP_REG, OP_CONSTANT16, OP_VOID);
tmp = (GPR (OP[0]) &~(0x8000 >> OP[1]));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* bl.s */
void
OP_4900 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("bl.s", OP_CONSTANT8, OP_R0, OP_R1);
SET_GPR (13, PC + 1);
JMP( PC + SEXT8 (OP[0]));
trace_output_void (sd);
}
/* bl.l */
void
OP_24800000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("bl.l", OP_CONSTANT16, OP_R0, OP_R1);
SET_GPR (13, (PC + 1));
JMP (PC + OP[0]);
trace_output_void (sd);
}
/* bnoti */
void
OP_A01 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("bnoti", OP_REG, OP_CONSTANT16, OP_VOID);
tmp = (GPR (OP[0]) ^ (0x8000 >> OP[1]));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* bra.s */
void
OP_4800 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("bra.s", OP_CONSTANT8, OP_VOID, OP_VOID);
JMP (PC + SEXT8 (OP[0]));
trace_output_void (sd);
}
/* bra.l */
void
OP_24000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("bra.l", OP_CONSTANT16, OP_VOID, OP_VOID);
JMP (PC + OP[0]);
trace_output_void (sd);
}
/* brf0f.s */
void
OP_4A00 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("brf0f.s", OP_CONSTANT8, OP_VOID, OP_VOID);
if (!PSW_F0)
JMP (PC + SEXT8 (OP[0]));
trace_output_flag (sd);
}
/* brf0f.l */
void
OP_25000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("brf0f.l", OP_CONSTANT16, OP_VOID, OP_VOID);
if (!PSW_F0)
JMP (PC + OP[0]);
trace_output_flag (sd);
}
/* brf0t.s */
void
OP_4B00 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("brf0t.s", OP_CONSTANT8, OP_VOID, OP_VOID);
if (PSW_F0)
JMP (PC + SEXT8 (OP[0]));
trace_output_flag (sd);
}
/* brf0t.l */
void
OP_25800000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("brf0t.l", OP_CONSTANT16, OP_VOID, OP_VOID);
if (PSW_F0)
JMP (PC + OP[0]);
trace_output_flag (sd);
}
/* bseti */
void
OP_801 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("bseti", OP_REG, OP_CONSTANT16, OP_VOID);
tmp = (GPR (OP[0]) | (0x8000 >> OP[1]));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* btsti */
void
OP_E01 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("btsti", OP_REG, OP_CONSTANT16, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((GPR (OP[0]) & (0x8000 >> OP[1])) ? 1 : 0);
trace_output_flag (sd);
}
/* clrac */
void
OP_5601 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("clrac", OP_ACCUM_OUTPUT, OP_VOID, OP_VOID);
SET_ACC (OP[0], 0);
trace_output_40 (sd, 0);
}
/* cmp */
void
OP_600 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmp", OP_REG, OP_REG, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 (((int16)(GPR (OP[0])) < (int16)(GPR (OP[1]))) ? 1 : 0);
trace_output_flag (sd);
}
/* cmp */
void
OP_1603 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmp", OP_ACCUM, OP_ACCUM, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((SEXT40(ACC (OP[0])) < SEXT40(ACC (OP[1]))) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpeq */
void
OP_400 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpeq", OP_REG, OP_REG, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((GPR (OP[0]) == GPR (OP[1])) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpeq */
void
OP_1403 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpeq", OP_ACCUM, OP_ACCUM, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 (((ACC (OP[0]) & MASK40) == (ACC (OP[1]) & MASK40)) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpeqi.s */
void
OP_401 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpeqi.s", OP_REG, OP_CONSTANT4, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((GPR (OP[0]) == (reg_t) SEXT4 (OP[1])) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpeqi.l */
void
OP_2000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpeqi.l", OP_REG, OP_CONSTANT16, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((GPR (OP[0]) == (reg_t)OP[1]) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpi.s */
void
OP_601 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpi.s", OP_REG, OP_CONSTANT4, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 (((int16)(GPR (OP[0])) < (int16)SEXT4(OP[1])) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpi.l */
void
OP_3000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpi.l", OP_REG, OP_CONSTANT16, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 (((int16)(GPR (OP[0])) < (int16)(OP[1])) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpu */
void
OP_4600 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpu", OP_REG, OP_REG, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((GPR (OP[0]) < GPR (OP[1])) ? 1 : 0);
trace_output_flag (sd);
}
/* cmpui */
void
OP_23000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("cmpui", OP_REG, OP_CONSTANT16, OP_VOID);
SET_PSW_F1 (PSW_F0);
SET_PSW_F0 ((GPR (OP[0]) < (reg_t)OP[1]) ? 1 : 0);
trace_output_flag (sd);
}
/* cpfg */
void
OP_4E09 (SIM_DESC sd, SIM_CPU *cpu)
{
uint8 val;
trace_input ("cpfg", OP_FLAG_OUTPUT, OP_FLAG, OP_VOID);
if (OP[1] == 0)
val = PSW_F0;
else if (OP[1] == 1)
val = PSW_F1;
else
val = PSW_C;
if (OP[0] == 0)
SET_PSW_F0 (val);
else
SET_PSW_F1 (val);
trace_output_flag (sd);
}
/* cpfg */
void
OP_4E0F (SIM_DESC sd, SIM_CPU *cpu)
{
uint8 val;
trace_input ("cpfg", OP_FLAG_OUTPUT, OP_FLAG, OP_VOID);
if (OP[1] == 0)
val = PSW_F0;
else if (OP[1] == 1)
val = PSW_F1;
else
val = PSW_C;
if (OP[0] == 0)
SET_PSW_F0 (val);
else
SET_PSW_F1 (val);
trace_output_flag (sd);
}
/* dbt */
void
OP_5F20 (SIM_DESC sd, SIM_CPU *cpu)
{
/* sim_io_printf (sd, "***** DBT ***** PC=%x\n",PC); */
/* GDB uses the instruction pair ``dbt || nop'' as a break-point.
The conditional below is for either of the instruction pairs
``dbt -> XXX'' or ``dbt <- XXX'' and treats them as as cases
where the dbt instruction should be interpreted.
The module `sim-break' provides a more effective mechanism for
detecting GDB planted breakpoints. The code below may,
eventually, be changed to use that mechanism. */
if (State.ins_type == INS_LEFT
|| State.ins_type == INS_RIGHT)
{
trace_input ("dbt", OP_VOID, OP_VOID, OP_VOID);
SET_DPC (PC + 1);
SET_DPSW (PSW);
SET_HW_PSW (PSW_DM_BIT | (PSW & (PSW_F0_BIT | PSW_F1_BIT | PSW_C_BIT)));
JMP (DBT_VECTOR_START);
trace_output_void (sd);
}
else
sim_engine_halt (sd, cpu, NULL, PC, sim_stopped, SIM_SIGTRAP);
}
/* divs */
void
OP_14002800 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 foo, tmp, tmpf;
uint16 hi;
uint16 lo;
trace_input ("divs", OP_DREG, OP_REG, OP_VOID);
foo = (GPR (OP[0]) << 1) | (GPR (OP[0] + 1) >> 15);
tmp = (int16)foo - (int16)(GPR (OP[1]));
tmpf = (foo >= GPR (OP[1])) ? 1 : 0;
hi = ((tmpf == 1) ? tmp : foo);
lo = ((GPR (OP[0] + 1) << 1) | tmpf);
SET_GPR (OP[0] + 0, hi);
SET_GPR (OP[0] + 1, lo);
trace_output_32 (sd, ((uint32) hi << 16) | lo);
}
/* exef0f */
void
OP_4E04 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exef0f", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F0 == 0);
trace_output_flag (sd);
}
/* exef0t */
void
OP_4E24 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exef0t", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F0 != 0);
trace_output_flag (sd);
}
/* exef1f */
void
OP_4E40 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exef1f", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F1 == 0);
trace_output_flag (sd);
}
/* exef1t */
void
OP_4E42 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exef1t", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F1 != 0);
trace_output_flag (sd);
}
/* exefaf */
void
OP_4E00 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exefaf", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F0 == 0) & (PSW_F1 == 0);
trace_output_flag (sd);
}
/* exefat */
void
OP_4E02 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exefat", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F0 == 0) & (PSW_F1 != 0);
trace_output_flag (sd);
}
/* exetaf */
void
OP_4E20 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exetaf", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F0 != 0) & (PSW_F1 == 0);
trace_output_flag (sd);
}
/* exetat */
void
OP_4E22 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("exetat", OP_VOID, OP_VOID, OP_VOID);
State.exe = (PSW_F0 != 0) & (PSW_F1 != 0);
trace_output_flag (sd);
}
/* exp */
void
OP_15002A00 (SIM_DESC sd, SIM_CPU *cpu)
{
uint32 tmp, foo;
int i;
trace_input ("exp", OP_REG_OUTPUT, OP_DREG, OP_VOID);
if (((int16)GPR (OP[1])) >= 0)
tmp = (GPR (OP[1]) << 16) | GPR (OP[1] + 1);
else
tmp = ~((GPR (OP[1]) << 16) | GPR (OP[1] + 1));
foo = 0x40000000;
for (i=1;i<17;i++)
{
if (tmp & foo)
{
SET_GPR (OP[0], (i - 1));
trace_output_16 (sd, i - 1);
return;
}
foo >>= 1;
}
SET_GPR (OP[0], 16);
trace_output_16 (sd, 16);
}
/* exp */
void
OP_15002A02 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp, foo;
int i;
trace_input ("exp", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = SEXT40(ACC (OP[1]));
if (tmp < 0)
tmp = ~tmp & MASK40;
foo = 0x4000000000LL;
for (i=1;i<25;i++)
{
if (tmp & foo)
{
SET_GPR (OP[0], i - 9);
trace_output_16 (sd, i - 9);
return;
}
foo >>= 1;
}
SET_GPR (OP[0], 16);
trace_output_16 (sd, 16);
}
/* jl */
void
OP_4D00 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("jl", OP_REG, OP_R0, OP_R1);
SET_GPR (13, PC + 1);
JMP (GPR (OP[0]));
trace_output_void (sd);
}
/* jmp */
void
OP_4C00 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("jmp", OP_REG,
(OP[0] == 13) ? OP_R0 : OP_VOID,
(OP[0] == 13) ? OP_R1 : OP_VOID);
JMP (GPR (OP[0]));
trace_output_void (sd);
}
/* ld */
void
OP_30000000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp;
uint16 addr = OP[1] + GPR (OP[2]);
trace_input ("ld", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RW (addr);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ld */
void
OP_6401 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp;
uint16 addr = GPR (OP[1]);
trace_input ("ld", OP_REG_OUTPUT, OP_POSTDEC, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RW (addr);
SET_GPR (OP[0], tmp);
if (OP[0] != OP[1])
INC_ADDR (OP[1], -2);
trace_output_16 (sd, tmp);
}
/* ld */
void
OP_6001 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp;
uint16 addr = GPR (OP[1]);
trace_input ("ld", OP_REG_OUTPUT, OP_POSTINC, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RW (addr);
SET_GPR (OP[0], tmp);
if (OP[0] != OP[1])
INC_ADDR (OP[1], 2);
trace_output_16 (sd, tmp);
}
/* ld */
void
OP_6000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp;
uint16 addr = GPR (OP[1]);
trace_input ("ld", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RW (addr);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ld */
void
OP_32010000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp;
uint16 addr = OP[1];
trace_input ("ld", OP_REG_OUTPUT, OP_MEMREF3, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RW (addr);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ld2w */
void
OP_31000000 (SIM_DESC sd, SIM_CPU *cpu)
{
int32 tmp;
uint16 addr = OP[1] + GPR (OP[2]);
trace_input ("ld2w", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RLW (addr);
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* ld2w */
void
OP_6601 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
int32 tmp;
trace_input ("ld2w", OP_REG_OUTPUT, OP_POSTDEC, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RLW (addr);
SET_GPR32 (OP[0], tmp);
if (OP[0] != OP[1] && ((OP[0] + 1) != OP[1]))
INC_ADDR (OP[1], -4);
trace_output_32 (sd, tmp);
}
/* ld2w */
void
OP_6201 (SIM_DESC sd, SIM_CPU *cpu)
{
int32 tmp;
uint16 addr = GPR (OP[1]);
trace_input ("ld2w", OP_REG_OUTPUT, OP_POSTINC, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RLW (addr);
SET_GPR32 (OP[0], tmp);
if (OP[0] != OP[1] && ((OP[0] + 1) != OP[1]))
INC_ADDR (OP[1], 4);
trace_output_32 (sd, tmp);
}
/* ld2w */
void
OP_6200 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
int32 tmp;
trace_input ("ld2w", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RLW (addr);
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* ld2w */
void
OP_33010000 (SIM_DESC sd, SIM_CPU *cpu)
{
int32 tmp;
uint16 addr = OP[1];
trace_input ("ld2w", OP_REG_OUTPUT, OP_MEMREF3, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
tmp = RLW (addr);
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* ldb */
void
OP_38000000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("ldb", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
tmp = SEXT8 (RB (OP[1] + GPR (OP[2])));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ldb */
void
OP_7000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("ldb", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
tmp = SEXT8 (RB (GPR (OP[1])));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ldi.s */
void
OP_4001 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("ldi.s", OP_REG_OUTPUT, OP_CONSTANT4, OP_VOID);
tmp = SEXT4 (OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ldi.l */
void
OP_20000000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("ldi.l", OP_REG_OUTPUT, OP_CONSTANT16, OP_VOID);
tmp = OP[1];
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ldub */
void
OP_39000000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("ldub", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
tmp = RB (OP[1] + GPR (OP[2]));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* ldub */
void
OP_7200 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("ldub", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
tmp = RB (GPR (OP[1]));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mac */
void
OP_2A00 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mac", OP_ACCUM, OP_REG, OP_REG);
tmp = SEXT40 ((int16)(GPR (OP[1])) * (int16)(GPR (OP[2])));
if (PSW_FX)
tmp = SEXT40( (tmp << 1) & MASK40);
if (PSW_ST && tmp > SEXT40(MAX32))
tmp = (MAX32);
tmp += SEXT40 (ACC (OP[0]));
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* macsu */
void
OP_1A00 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("macsu", OP_ACCUM, OP_REG, OP_REG);
tmp = SEXT40 ((int16) GPR (OP[1]) * GPR (OP[2]));
if (PSW_FX)
tmp = SEXT40 ((tmp << 1) & MASK40);
tmp = ((SEXT40 (ACC (OP[0])) + tmp) & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* macu */
void
OP_3A00 (SIM_DESC sd, SIM_CPU *cpu)
{
uint64 tmp;
uint32 src1;
uint32 src2;
trace_input ("macu", OP_ACCUM, OP_REG, OP_REG);
src1 = (uint16) GPR (OP[1]);
src2 = (uint16) GPR (OP[2]);
tmp = src1 * src2;
if (PSW_FX)
tmp = (tmp << 1);
tmp = ((ACC (OP[0]) + tmp) & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* max */
void
OP_2600 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("max", OP_REG, OP_REG, OP_VOID);
SET_PSW_F1 (PSW_F0);
if ((int16) GPR (OP[1]) > (int16)GPR (OP[0]))
{
tmp = GPR (OP[1]);
SET_PSW_F0 (1);
}
else
{
tmp = GPR (OP[0]);
SET_PSW_F0 (0);
}
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* max */
void
OP_3600 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("max", OP_ACCUM, OP_DREG, OP_VOID);
SET_PSW_F1 (PSW_F0);
tmp = SEXT16 (GPR (OP[1])) << 16 | GPR (OP[1] + 1);
if (tmp > SEXT40 (ACC (OP[0])))
{
tmp = (tmp & MASK40);
SET_PSW_F0 (1);
}
else
{
tmp = ACC (OP[0]);
SET_PSW_F0 (0);
}
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* max */
void
OP_3602 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("max", OP_ACCUM, OP_ACCUM, OP_VOID);
SET_PSW_F1 (PSW_F0);
if (SEXT40 (ACC (OP[1])) > SEXT40 (ACC (OP[0])))
{
tmp = ACC (OP[1]);
SET_PSW_F0 (1);
}
else
{
tmp = ACC (OP[0]);
SET_PSW_F0 (0);
}
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* min */
void
OP_2601 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("min", OP_REG, OP_REG, OP_VOID);
SET_PSW_F1 (PSW_F0);
if ((int16)GPR (OP[1]) < (int16)GPR (OP[0]))
{
tmp = GPR (OP[1]);
SET_PSW_F0 (1);
}
else
{
tmp = GPR (OP[0]);
SET_PSW_F0 (0);
}
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* min */
void
OP_3601 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("min", OP_ACCUM, OP_DREG, OP_VOID);
SET_PSW_F1 (PSW_F0);
tmp = SEXT16 (GPR (OP[1])) << 16 | GPR (OP[1] + 1);
if (tmp < SEXT40(ACC (OP[0])))
{
tmp = (tmp & MASK40);
SET_PSW_F0 (1);
}
else
{
tmp = ACC (OP[0]);
SET_PSW_F0 (0);
}
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* min */
void
OP_3603 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("min", OP_ACCUM, OP_ACCUM, OP_VOID);
SET_PSW_F1 (PSW_F0);
if (SEXT40(ACC (OP[1])) < SEXT40(ACC (OP[0])))
{
tmp = ACC (OP[1]);
SET_PSW_F0 (1);
}
else
{
tmp = ACC (OP[0]);
SET_PSW_F0 (0);
}
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* msb */
void
OP_2800 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("msb", OP_ACCUM, OP_REG, OP_REG);
tmp = SEXT40 ((int16)(GPR (OP[1])) * (int16)(GPR (OP[2])));
if (PSW_FX)
tmp = SEXT40 ((tmp << 1) & MASK40);
if (PSW_ST && tmp > SEXT40(MAX32))
tmp = (MAX32);
tmp = SEXT40(ACC (OP[0])) - tmp;
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
{
tmp = (tmp & MASK40);
}
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* msbsu */
void
OP_1800 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("msbsu", OP_ACCUM, OP_REG, OP_REG);
tmp = SEXT40 ((int16)GPR (OP[1]) * GPR (OP[2]));
if (PSW_FX)
tmp = SEXT40( (tmp << 1) & MASK40);
tmp = ((SEXT40 (ACC (OP[0])) - tmp) & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* msbu */
void
OP_3800 (SIM_DESC sd, SIM_CPU *cpu)
{
uint64 tmp;
uint32 src1;
uint32 src2;
trace_input ("msbu", OP_ACCUM, OP_REG, OP_REG);
src1 = (uint16) GPR (OP[1]);
src2 = (uint16) GPR (OP[2]);
tmp = src1 * src2;
if (PSW_FX)
tmp = (tmp << 1);
tmp = ((ACC (OP[0]) - tmp) & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* mul */
void
OP_2E00 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mul", OP_REG, OP_REG, OP_VOID);
tmp = GPR (OP[0]) * GPR (OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mulx */
void
OP_2C00 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mulx", OP_ACCUM_OUTPUT, OP_REG, OP_REG);
tmp = SEXT40 ((int16)(GPR (OP[1])) * (int16)(GPR (OP[2])));
if (PSW_FX)
tmp = SEXT40 ((tmp << 1) & MASK40);
if (PSW_ST && tmp > SEXT40(MAX32))
tmp = (MAX32);
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* mulxsu */
void
OP_1C00 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mulxsu", OP_ACCUM_OUTPUT, OP_REG, OP_REG);
tmp = SEXT40 ((int16)(GPR (OP[1])) * GPR (OP[2]));
if (PSW_FX)
tmp <<= 1;
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* mulxu */
void
OP_3C00 (SIM_DESC sd, SIM_CPU *cpu)
{
uint64 tmp;
uint32 src1;
uint32 src2;
trace_input ("mulxu", OP_ACCUM_OUTPUT, OP_REG, OP_REG);
src1 = (uint16) GPR (OP[1]);
src2 = (uint16) GPR (OP[2]);
tmp = src1 * src2;
if (PSW_FX)
tmp <<= 1;
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* mv */
void
OP_4000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mv", OP_REG_OUTPUT, OP_REG, OP_VOID);
tmp = GPR (OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mv2w */
void
OP_5000 (SIM_DESC sd, SIM_CPU *cpu)
{
int32 tmp;
trace_input ("mv2w", OP_DREG_OUTPUT, OP_DREG, OP_VOID);
tmp = GPR32 (OP[1]);
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* mv2wfac */
void
OP_3E00 (SIM_DESC sd, SIM_CPU *cpu)
{
int32 tmp;
trace_input ("mv2wfac", OP_DREG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = ACC (OP[1]);
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* mv2wtac */
void
OP_3E01 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mv2wtac", OP_DREG, OP_ACCUM_OUTPUT, OP_VOID);
tmp = ((SEXT16 (GPR (OP[0])) << 16 | GPR (OP[0] + 1)) & MASK40);
SET_ACC (OP[1], tmp);
trace_output_40 (sd, tmp);
}
/* mvac */
void
OP_3E03 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mvac", OP_ACCUM_OUTPUT, OP_ACCUM, OP_VOID);
tmp = ACC (OP[1]);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* mvb */
void
OP_5400 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvb", OP_REG_OUTPUT, OP_REG, OP_VOID);
tmp = SEXT8 (GPR (OP[1]) & 0xff);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mvf0f */
void
OP_4400 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvf0f", OP_REG_OUTPUT, OP_REG, OP_VOID);
if (PSW_F0 == 0)
{
tmp = GPR (OP[1]);
SET_GPR (OP[0], tmp);
}
else
tmp = GPR (OP[0]);
trace_output_16 (sd, tmp);
}
/* mvf0t */
void
OP_4401 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvf0t", OP_REG_OUTPUT, OP_REG, OP_VOID);
if (PSW_F0)
{
tmp = GPR (OP[1]);
SET_GPR (OP[0], tmp);
}
else
tmp = GPR (OP[0]);
trace_output_16 (sd, tmp);
}
/* mvfacg */
void
OP_1E04 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvfacg", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = ((ACC (OP[1]) >> 32) & 0xff);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mvfachi */
void
OP_1E00 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvfachi", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = (ACC (OP[1]) >> 16);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mvfaclo */
void
OP_1E02 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvfaclo", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = ACC (OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mvfc */
void
OP_5200 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvfc", OP_REG_OUTPUT, OP_CR, OP_VOID);
tmp = CREG (OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* mvtacg */
void
OP_1E41 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mvtacg", OP_REG, OP_ACCUM, OP_VOID);
tmp = ((ACC (OP[1]) & MASK32)
| ((int64)(GPR (OP[0]) & 0xff) << 32));
SET_ACC (OP[1], tmp);
trace_output_40 (sd, tmp);
}
/* mvtachi */
void
OP_1E01 (SIM_DESC sd, SIM_CPU *cpu)
{
uint64 tmp;
trace_input ("mvtachi", OP_REG, OP_ACCUM, OP_VOID);
tmp = ACC (OP[1]) & 0xffff;
tmp = ((SEXT16 (GPR (OP[0])) << 16 | tmp) & MASK40);
SET_ACC (OP[1], tmp);
trace_output_40 (sd, tmp);
}
/* mvtaclo */
void
OP_1E21 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("mvtaclo", OP_REG, OP_ACCUM, OP_VOID);
tmp = ((SEXT16 (GPR (OP[0]))) & MASK40);
SET_ACC (OP[1], tmp);
trace_output_40 (sd, tmp);
}
/* mvtc */
void
OP_5600 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvtc", OP_REG, OP_CR_OUTPUT, OP_VOID);
tmp = GPR (OP[0]);
tmp = SET_CREG (OP[1], tmp);
trace_output_16 (sd, tmp);
}
/* mvub */
void
OP_5401 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("mvub", OP_REG_OUTPUT, OP_REG, OP_VOID);
tmp = (GPR (OP[1]) & 0xff);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* neg */
void
OP_4605 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("neg", OP_REG, OP_VOID, OP_VOID);
tmp = - GPR (OP[0]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* neg */
void
OP_5605 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("neg", OP_ACCUM, OP_VOID, OP_VOID);
tmp = -SEXT40(ACC (OP[0]));
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* nop */
void
OP_5E00 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("nop", OP_VOID, OP_VOID, OP_VOID);
ins_type_counters[ (int)State.ins_type ]--; /* don't count nops as normal instructions */
switch (State.ins_type)
{
default:
ins_type_counters[ (int)INS_UNKNOWN ]++;
break;
case INS_LEFT_PARALLEL:
/* Don't count a parallel op that includes a NOP as a true parallel op */
ins_type_counters[ (int)INS_RIGHT_PARALLEL ]--;
ins_type_counters[ (int)INS_RIGHT ]++;
ins_type_counters[ (int)INS_LEFT_NOPS ]++;
break;
case INS_LEFT:
case INS_LEFT_COND_EXE:
ins_type_counters[ (int)INS_LEFT_NOPS ]++;
break;
case INS_RIGHT_PARALLEL:
/* Don't count a parallel op that includes a NOP as a true parallel op */
ins_type_counters[ (int)INS_LEFT_PARALLEL ]--;
ins_type_counters[ (int)INS_LEFT ]++;
ins_type_counters[ (int)INS_RIGHT_NOPS ]++;
break;
case INS_RIGHT:
case INS_RIGHT_COND_EXE:
ins_type_counters[ (int)INS_RIGHT_NOPS ]++;
break;
}
trace_output_void (sd);
}
/* not */
void
OP_4603 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("not", OP_REG, OP_VOID, OP_VOID);
tmp = ~GPR (OP[0]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* or */
void
OP_800 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("or", OP_REG, OP_REG, OP_VOID);
tmp = (GPR (OP[0]) | GPR (OP[1]));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* or3 */
void
OP_4000000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("or3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
tmp = (GPR (OP[1]) | OP[2]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* rac */
void
OP_5201 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
int shift = SEXT3 (OP[2]);
trace_input ("rac", OP_DREG_OUTPUT, OP_ACCUM, OP_CONSTANT3);
if (OP[1] != 0)
{
sim_io_printf (sd,
"ERROR at PC 0x%x: instruction only valid for A0\n",
PC<<2);
EXCEPTION (SIM_SIGILL);
}
SET_PSW_F1 (PSW_F0);
tmp = SEXT56 ((ACC (0) << 16) | (ACC (1) & 0xffff));
if (shift >=0)
tmp <<= shift;
else
tmp >>= -shift;
tmp += 0x8000;
tmp >>= 16; /* look at bits 0:43 */
if (tmp > SEXT44 (SIGNED64 (0x0007fffffff)))
{
tmp = 0x7fffffff;
SET_PSW_F0 (1);
}
else if (tmp < SEXT44 (SIGNED64 (0xfff80000000)))
{
tmp = 0x80000000;
SET_PSW_F0 (1);
}
else
{
SET_PSW_F0 (0);
}
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* rachi */
void
OP_4201 (SIM_DESC sd, SIM_CPU *cpu)
{
signed64 tmp;
int shift = SEXT3 (OP[2]);
trace_input ("rachi", OP_REG_OUTPUT, OP_ACCUM, OP_CONSTANT3);
SET_PSW_F1 (PSW_F0);
if (shift >=0)
tmp = SEXT40 (ACC (OP[1])) << shift;
else
tmp = SEXT40 (ACC (OP[1])) >> -shift;
tmp += 0x8000;
if (tmp > SEXT44 (SIGNED64 (0x0007fffffff)))
{
tmp = 0x7fff;
SET_PSW_F0 (1);
}
else if (tmp < SEXT44 (SIGNED64 (0xfff80000000)))
{
tmp = 0x8000;
SET_PSW_F0 (1);
}
else
{
tmp = (tmp >> 16);
SET_PSW_F0 (0);
}
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* rep */
void
OP_27000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("rep", OP_REG, OP_CONSTANT16, OP_VOID);
SET_RPT_S (PC + 1);
SET_RPT_E (PC + OP[1]);
SET_RPT_C (GPR (OP[0]));
SET_PSW_RP (1);
if (GPR (OP[0]) == 0)
{
sim_io_printf (sd, "ERROR: rep with count=0 is illegal.\n");
EXCEPTION (SIM_SIGILL);
}
if (OP[1] < 4)
{
sim_io_printf (sd, "ERROR: rep must include at least 4 instructions.\n");
EXCEPTION (SIM_SIGILL);
}
trace_output_void (sd);
}
/* repi */
void
OP_2F000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("repi", OP_CONSTANT16, OP_CONSTANT16, OP_VOID);
SET_RPT_S (PC + 1);
SET_RPT_E (PC + OP[1]);
SET_RPT_C (OP[0]);
SET_PSW_RP (1);
if (OP[0] == 0)
{
sim_io_printf (sd, "ERROR: repi with count=0 is illegal.\n");
EXCEPTION (SIM_SIGILL);
}
if (OP[1] < 4)
{
sim_io_printf (sd, "ERROR: repi must include at least 4 instructions.\n");
EXCEPTION (SIM_SIGILL);
}
trace_output_void (sd);
}
/* rtd */
void
OP_5F60 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("rtd", OP_VOID, OP_VOID, OP_VOID);
SET_CREG (PSW_CR, DPSW);
JMP(DPC);
trace_output_void (sd);
}
/* rte */
void
OP_5F40 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("rte", OP_VOID, OP_VOID, OP_VOID);
SET_CREG (PSW_CR, BPSW);
JMP(BPC);
trace_output_void (sd);
}
/* sac */
void OP_5209 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("sac", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = SEXT40(ACC (OP[1]));
SET_PSW_F1 (PSW_F0);
if (tmp > SEXT40(MAX32))
{
tmp = (MAX32);
SET_PSW_F0 (1);
}
else if (tmp < SEXT40(MIN32))
{
tmp = 0x80000000;
SET_PSW_F0 (1);
}
else
{
tmp = (tmp & MASK32);
SET_PSW_F0 (0);
}
SET_GPR32 (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* sachi */
void
OP_4209 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("sachi", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
tmp = SEXT40(ACC (OP[1]));
SET_PSW_F1 (PSW_F0);
if (tmp > SEXT40(MAX32))
{
tmp = 0x7fff;
SET_PSW_F0 (1);
}
else if (tmp < SEXT40(MIN32))
{
tmp = 0x8000;
SET_PSW_F0 (1);
}
else
{
tmp >>= 16;
SET_PSW_F0 (0);
}
SET_GPR (OP[0], tmp);
trace_output_16 (sd, OP[0]);
}
/* sadd */
void
OP_1223 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("sadd", OP_ACCUM, OP_ACCUM, OP_VOID);
tmp = SEXT40(ACC (OP[0])) + (SEXT40(ACC (OP[1])) >> 16);
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* setf0f */
void
OP_4611 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("setf0f", OP_REG_OUTPUT, OP_VOID, OP_VOID);
tmp = ((PSW_F0 == 0) ? 1 : 0);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* setf0t */
void
OP_4613 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("setf0t", OP_REG_OUTPUT, OP_VOID, OP_VOID);
tmp = ((PSW_F0 == 1) ? 1 : 0);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* slae */
void
OP_3220 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
int16 reg;
trace_input ("slae", OP_ACCUM, OP_REG, OP_VOID);
reg = SEXT16 (GPR (OP[1]));
if (reg >= 17 || reg <= -17)
{
sim_io_printf (sd, "ERROR: shift value %d too large.\n", reg);
EXCEPTION (SIM_SIGILL);
}
tmp = SEXT40 (ACC (OP[0]));
if (PSW_ST && (tmp < SEXT40 (MIN32) || tmp > SEXT40 (MAX32)))
{
sim_io_printf (sd, "ERROR: accumulator value 0x%.2x%.8lx out of range\n", ((int)(tmp >> 32) & 0xff), ((unsigned long) tmp) & 0xffffffff);
EXCEPTION (SIM_SIGILL);
}
if (reg >= 0 && reg <= 16)
{
tmp = SEXT56 ((SEXT56 (tmp)) << (GPR (OP[1])));
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
}
else
{
tmp = (SEXT40 (ACC (OP[0]))) >> (-GPR (OP[1]));
}
SET_ACC(OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* sleep */
void
OP_5FC0 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("sleep", OP_VOID, OP_VOID, OP_VOID);
SET_PSW_IE (1);
trace_output_void (sd);
}
/* sll */
void
OP_2200 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("sll", OP_REG, OP_REG, OP_VOID);
tmp = (GPR (OP[0]) << (GPR (OP[1]) & 0xf));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* sll */
void
OP_3200 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("sll", OP_ACCUM, OP_REG, OP_VOID);
if ((GPR (OP[1]) & 31) <= 16)
tmp = SEXT40 (ACC (OP[0])) << (GPR (OP[1]) & 31);
else
{
sim_io_printf (sd, "ERROR: shift value %d too large.\n", GPR (OP[1]) & 31);
EXCEPTION (SIM_SIGILL);
}
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* slli */
void
OP_2201 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("slli", OP_REG, OP_CONSTANT16, OP_VOID);
tmp = (GPR (OP[0]) << OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* slli */
void
OP_3201 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
if (OP[1] == 0)
OP[1] = 16;
trace_input ("slli", OP_ACCUM, OP_CONSTANT16, OP_VOID);
tmp = SEXT40(ACC (OP[0])) << OP[1];
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* slx */
void
OP_460B (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("slx", OP_REG, OP_VOID, OP_VOID);
tmp = ((GPR (OP[0]) << 1) | PSW_F0);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* sra */
void
OP_2400 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("sra", OP_REG, OP_REG, OP_VOID);
tmp = (((int16)(GPR (OP[0]))) >> (GPR (OP[1]) & 0xf));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* sra */
void
OP_3400 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("sra", OP_ACCUM, OP_REG, OP_VOID);
if ((GPR (OP[1]) & 31) <= 16)
{
int64 tmp = ((SEXT40(ACC (OP[0])) >> (GPR (OP[1]) & 31)) & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
else
{
sim_io_printf (sd, "ERROR: shift value %d too large.\n", GPR (OP[1]) & 31);
EXCEPTION (SIM_SIGILL);
}
}
/* srai */
void
OP_2401 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("srai", OP_REG, OP_CONSTANT16, OP_VOID);
tmp = (((int16)(GPR (OP[0]))) >> OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* srai */
void
OP_3401 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
if (OP[1] == 0)
OP[1] = 16;
trace_input ("srai", OP_ACCUM, OP_CONSTANT16, OP_VOID);
tmp = ((SEXT40(ACC (OP[0])) >> OP[1]) & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* srl */
void
OP_2000 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("srl", OP_REG, OP_REG, OP_VOID);
tmp = (GPR (OP[0]) >> (GPR (OP[1]) & 0xf));
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* srl */
void
OP_3000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("srl", OP_ACCUM, OP_REG, OP_VOID);
if ((GPR (OP[1]) & 31) <= 16)
{
int64 tmp = ((uint64)((ACC (OP[0]) & MASK40) >> (GPR (OP[1]) & 31)));
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
else
{
sim_io_printf (sd, "ERROR: shift value %d too large.\n", GPR (OP[1]) & 31);
EXCEPTION (SIM_SIGILL);
}
}
/* srli */
void
OP_2001 (SIM_DESC sd, SIM_CPU *cpu)
{
int16 tmp;
trace_input ("srli", OP_REG, OP_CONSTANT16, OP_VOID);
tmp = (GPR (OP[0]) >> OP[1]);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* srli */
void
OP_3001 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
if (OP[1] == 0)
OP[1] = 16;
trace_input ("srli", OP_ACCUM, OP_CONSTANT16, OP_VOID);
tmp = ((uint64)(ACC (OP[0]) & MASK40) >> OP[1]);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* srx */
void
OP_4609 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 tmp;
trace_input ("srx", OP_REG, OP_VOID, OP_VOID);
tmp = PSW_F0 << 15;
tmp = ((GPR (OP[0]) >> 1) | tmp);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* st */
void
OP_34000000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = OP[1] + GPR (OP[2]);
trace_input ("st", OP_REG, OP_MEMREF2, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr, GPR (OP[0]));
trace_output_void (sd);
}
/* st */
void
OP_6800 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
trace_input ("st", OP_REG, OP_MEMREF, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr, GPR (OP[0]));
trace_output_void (sd);
}
/* st */
/* st Rsrc1,@-SP */
void
OP_6C1F (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]) - 2;
trace_input ("st", OP_REG, OP_PREDEC, OP_VOID);
if (OP[1] != 15)
{
sim_io_printf (sd, "ERROR: cannot pre-decrement any registers but r15 (SP).\n");
EXCEPTION (SIM_SIGILL);
}
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr, GPR (OP[0]));
SET_GPR (OP[1], addr);
trace_output_void (sd);
}
/* st */
void
OP_6801 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
trace_input ("st", OP_REG, OP_POSTINC, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr, GPR (OP[0]));
INC_ADDR (OP[1], 2);
trace_output_void (sd);
}
/* st */
void
OP_6C01 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
trace_input ("st", OP_REG, OP_POSTDEC, OP_VOID);
if ( OP[1] == 15 )
{
sim_io_printf (sd, "ERROR: cannot post-decrement register r15 (SP).\n");
EXCEPTION (SIM_SIGILL);
}
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr, GPR (OP[0]));
INC_ADDR (OP[1], -2);
trace_output_void (sd);
}
/* st */
void
OP_36010000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = OP[1];
trace_input ("st", OP_REG, OP_MEMREF3, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr, GPR (OP[0]));
trace_output_void (sd);
}
/* st2w */
void
OP_35000000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[2])+ OP[1];
trace_input ("st2w", OP_DREG, OP_MEMREF2, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr + 0, GPR (OP[0] + 0));
SW (addr + 2, GPR (OP[0] + 1));
trace_output_void (sd);
}
/* st2w */
void
OP_6A00 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
trace_input ("st2w", OP_DREG, OP_MEMREF, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr + 0, GPR (OP[0] + 0));
SW (addr + 2, GPR (OP[0] + 1));
trace_output_void (sd);
}
/* st2w */
void
OP_6E1F (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]) - 4;
trace_input ("st2w", OP_DREG, OP_PREDEC, OP_VOID);
if ( OP[1] != 15 )
{
sim_io_printf (sd, "ERROR: cannot pre-decrement any registers but r15 (SP).\n");
EXCEPTION (SIM_SIGILL);
}
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr + 0, GPR (OP[0] + 0));
SW (addr + 2, GPR (OP[0] + 1));
SET_GPR (OP[1], addr);
trace_output_void (sd);
}
/* st2w */
void
OP_6A01 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
trace_input ("st2w", OP_DREG, OP_POSTINC, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr + 0, GPR (OP[0] + 0));
SW (addr + 2, GPR (OP[0] + 1));
INC_ADDR (OP[1], 4);
trace_output_void (sd);
}
/* st2w */
void
OP_6E01 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = GPR (OP[1]);
trace_input ("st2w", OP_DREG, OP_POSTDEC, OP_VOID);
if ( OP[1] == 15 )
{
sim_io_printf (sd, "ERROR: cannot post-decrement register r15 (SP).\n");
EXCEPTION (SIM_SIGILL);
}
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr + 0, GPR (OP[0] + 0));
SW (addr + 2, GPR (OP[0] + 1));
INC_ADDR (OP[1], -4);
trace_output_void (sd);
}
/* st2w */
void
OP_37010000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 addr = OP[1];
trace_input ("st2w", OP_DREG, OP_MEMREF3, OP_VOID);
if ((addr & 1))
{
trace_output_void (sd);
EXCEPTION (SIM_SIGBUS);
}
SW (addr + 0, GPR (OP[0] + 0));
SW (addr + 2, GPR (OP[0] + 1));
trace_output_void (sd);
}
/* stb */
void
OP_3C000000 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("stb", OP_REG, OP_MEMREF2, OP_VOID);
SB (GPR (OP[2]) + OP[1], GPR (OP[0]));
trace_output_void (sd);
}
/* stb */
void
OP_7800 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("stb", OP_REG, OP_MEMREF, OP_VOID);
SB (GPR (OP[1]), GPR (OP[0]));
trace_output_void (sd);
}
/* stop */
void
OP_5FE0 (SIM_DESC sd, SIM_CPU *cpu)
{
trace_input ("stop", OP_VOID, OP_VOID, OP_VOID);
trace_output_void (sd);
sim_engine_halt (sd, cpu, NULL, PC, sim_exited, 0);
}
/* sub */
void
OP_0 (SIM_DESC sd, SIM_CPU *cpu)
{
uint16 a = GPR (OP[0]);
uint16 b = GPR (OP[1]);
uint16 tmp = (a - b);
trace_input ("sub", OP_REG, OP_REG, OP_VOID);
/* see ../common/sim-alu.h for a more extensive discussion on how to
compute the carry/overflow bits. */
SET_PSW_C (a >= b);
SET_GPR (OP[0], tmp);
trace_output_16 (sd, tmp);
}
/* sub */
void
OP_1001 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("sub", OP_ACCUM, OP_DREG, OP_VOID);
tmp = SEXT40(ACC (OP[0])) - (SEXT16 (GPR (OP[1])) << 16 | GPR (OP[1] + 1));
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* sub */
void
OP_1003 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("sub", OP_ACCUM, OP_ACCUM, OP_VOID);
tmp = SEXT40(ACC (OP[0])) - SEXT40(ACC (OP[1]));
if (PSW_ST)
{
if (tmp > SEXT40(MAX32))
tmp = (MAX32);
else if (tmp < SEXT40(MIN32))
tmp = (MIN32);
else
tmp = (tmp & MASK40);
}
else
tmp = (tmp & MASK40);
SET_ACC (OP[0], tmp);
trace_output_40 (sd, tmp);
}
/* sub2w */
void
OP_1000 (SIM_DESC sd, SIM_CPU *cpu)
{
uint32 tmp, a, b;
trace_input ("sub2w", OP_DREG, OP_DREG, OP_VOID);
a = (uint32)((GPR (OP[0]) << 16) | GPR (OP[0] + 1));
b = (uint32)((GPR (OP[1]) << 16) | GPR (OP[1] + 1));
/* see ../common/sim-alu.h for a more extensive discussion on how to
compute the carry/overflow bits */
tmp = a - b;
SET_PSW_C (a >= b);
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* subac3 */
void
OP_17000000 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("subac3", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
tmp = SEXT40 ((GPR (OP[1]) << 16) | GPR (OP[1] + 1)) - SEXT40 (ACC (OP[2]));
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* subac3 */
void
OP_17000002 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("subac3", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
tmp = SEXT40 (ACC (OP[1])) - SEXT40(ACC (OP[2]));
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* subac3s */
void
OP_17001000 (SIM_DESC sd, SIM_CPU *cpu)
{
int64 tmp;
trace_input ("subac3s", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
SET_PSW_F1 (PSW_F0);
tmp = SEXT40 ((GPR (OP[1]) << 16) | GPR (OP[1] + 1)) - SEXT40(ACC (OP[2]));
if (tmp > SEXT40(MAX32))
{
tmp = (MAX32);
SET_PSW_F0 (1);
}
else if (tmp < SEXT40(MIN32))
{
tmp = (MIN32);
SET_PSW_F0 (1);
}
else
{
SET_PSW_F0 (0);
}
SET_GPR32 (OP[0], tmp);
trace_output_32 (sd, tmp);
}
/* subac3s */
void
OP_17001002 (SIM_DESC sd, SIM_CPU *cpu)
{