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old-cross-binutils/sim/v850/simops.c

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#include <signal.h>
#include "sim-main.h"
#include "v850_sim.h"
#include "simops.h"
#ifdef HAVE_UTIME_H
#include <utime.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
/* FIXME - should be including a version of syscall.h that does not
pollute the name space */
#include "../../libgloss/v850/sys/syscall.h"
#include "bfd.h"
#include "libiberty.h"
#include <errno.h>
#if !defined(__GO32__) && !defined(_WIN32)
#include <sys/stat.h>
#include <sys/times.h>
#include <sys/time.h>
#endif
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,
/* start-sanitize-v850e */
OP_BIT_CHANGE,
OP_REG_REG_REG,
OP_REG_REG3,
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
OP_IMM_REG_REG_REG,
OP_PUSHPOP1,
OP_PUSHPOP2,
OP_PUSHPOP3,
/* end-sanitize-v850eq */
};
/* start-sanitize-v850e */
/* This is an array of the bit positions of registers r20 .. r31 in that order in a prepare/dispose instruction. */
static int type1_regs[12] = { 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 0, 21 };
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
/* This is an array of the bit positions of registers r16 .. r31 in that order in a push/pop instruction. */
static int type2_regs[16] = { 3, 2, 1, 0, 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 20, 21};
/* This is an array of the bit positions of registers r1 .. r15 in that order in a push/pop instruction. */
static int type3_regs[15] = { 2, 1, 0, 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 20, 21};
/* end-sanitize-v850eq */
#ifdef DEBUG
static void trace_input PARAMS ((char *name, enum op_types type, int size));
static void trace_output PARAMS ((enum op_types result));
#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;
const char *filename;
const char *functionname;
unsigned int linenumber;
if (!TRACE_ALU_P (STATE_CPU (simulator, 0)))
return;
buf[0] = '\0';
if (STATE_TEXT_SECTION (simulator)
&& PC >= STATE_TEXT_START (simulator)
&& PC < STATE_TEXT_END (simulator))
{
filename = (const char *)0;
functionname = (const char *)0;
linenumber = 0;
if (bfd_find_nearest_line (STATE_PROG_BFD (simulator),
STATE_TEXT_SECTION (simulator),
(struct symbol_cache_entry **)0,
PC - STATE_TEXT_START (simulator),
&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';
}
}
trace_printf (simulator, STATE_CPU (simulator, 0),
"0x%.8x: %-*.*s %-*s",
(unsigned)PC,
SIZE_LOCATION, SIZE_LOCATION, buf,
SIZE_INSTRUCTION, name);
#if 0
switch (type)
{
default:
case OP_UNKNOWN:
case OP_NONE:
strcpy (buf, "unknown");
break;
case OP_TRAP:
sprintf (buf, "%ld", OP[0]);
break;
case OP_REG:
sprintf (buf, "r%ld", OP[0]);
break;
case OP_REG_REG:
case OP_REG_REG_CMP:
case OP_REG_REG_MOVE:
sprintf (buf, "r%ld,r%ld", OP[0], OP[1]);
break;
case OP_IMM_REG:
case OP_IMM_REG_CMP:
case OP_IMM_REG_MOVE:
sprintf (buf, "%ld,r%ld", OP[0], OP[1]);
break;
case OP_COND_BR:
sprintf (buf, "%ld", SEXT9 (OP[0]));
break;
case OP_LOAD16:
sprintf (buf, "%ld[r30],r%ld", OP[1] * size, OP[0]);
break;
case OP_STORE16:
sprintf (buf, "r%ld,%ld[r30]", OP[0], OP[1] * size);
break;
case OP_LOAD32:
sprintf (buf, "%ld[r%ld],r%ld", EXTEND16 (OP[2]) & ~0x1, OP[0], OP[1]);
break;
case OP_STORE32:
sprintf (buf, "r%ld,%ld[r%ld]", OP[1], EXTEND16 (OP[2] & ~0x1), OP[0]);
break;
case OP_JUMP:
sprintf (buf, "%ld,r%ld", SEXT22 (OP[0]), OP[1]);
break;
case OP_IMM_REG_REG:
sprintf (buf, "%ld,r%ld,r%ld", EXTEND16 (OP[0]), OP[1], OP[2]);
break;
case OP_UIMM_REG_REG:
sprintf (buf, "%ld,r%ld,r%ld", OP[0] & 0xffff, OP[1], OP[2]);
break;
case OP_BIT:
sprintf (buf, "%ld,%ld[r%ld]", OP[1] & 0x7, EXTEND16 (OP[2]), OP[0]);
break;
case OP_EX1:
{
char *cond;
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%ld", cond, OP[1]);
break;
}
case OP_EX2:
strcpy (buf, "EX2");
break;
case OP_LDSR:
case OP_STSR:
sprintf (buf, "r%ld,s%ld", OP[0], OP[1]);
break;
case OP_PUSHPOP1:
for (i = 0; i < 12; i++)
if (OP[3] & (1 << type1_regs[i]))
sprintf (strchr (buf, 0), "r%d ", i + 20);
break;
case OP_PUSHPOP2:
for (i = 0; i < 16; i++)
if (OP[3] & (1 << type2_regs[i]))
sprintf (strchr (buf, 0), "r%d ", i + 16);
if (OP[3] & (1 << 19))
strcat (buf, "F/EIPC, F/EIPSW " );
break;
case OP_PUSHPOP3:
for (i = 0; i < 15; i++)
if (OP[3] & (1 << type3_regs[i]))
sprintf (strchr (buf, 0), "r%d ", i + 1);
if (OP[3] & (1 << 3))
strcat (buf, "PSW " );
if (OP[3] & (1 << 19))
strcat (buf, "F/EIPC, F/EIPSW " );
break;
case OP_BIT_CHANGE:
sprintf (buf, "r%ld, [r%ld]", OP[1], OP[0] );
break;
}
#endif
if (!TRACE_ALU_P (STATE_CPU (simulator, 0)))
{
trace_printf (simulator, STATE_CPU (simulator, 0),
"%s\n", buf);
}
else
{
#if 0
trace_printf (simulator, STATE_CPU (simulator, 0),
"%-*s", SIZE_OPERANDS, buf);
#endif
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_BIT_CHANGE:
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] = PSW;
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] = EXTEND16 (OP[2]);
values[1] = State.regs[OP[0]];
num_values = 2;
break;
case OP_STORE32:
values[0] = State.regs[OP[1]];
values[1] = EXTEND16 (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] = EXTEND16 (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] = PSW;
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++)
trace_printf (simulator, STATE_CPU (simulator, 0),
"%*s0x%.8lx", SIZE_VALUES - 10, "", values[i]);
while (i++ < 3)
trace_printf (simulator, STATE_CPU (simulator, 0),
"%*s", SIZE_VALUES, "");
}
}
static void
trace_output (result)
enum op_types result;
{
if (TRACE_ALU_P (STATE_CPU (simulator, 0)))
{
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:
trace_printf (simulator, STATE_CPU (simulator, 0),
" :: 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:
trace_printf (simulator, STATE_CPU (simulator, 0),
" :: 0x%.8lx", (unsigned long)State.regs[OP[1]]);
break;
case OP_IMM_REG_REG:
case OP_UIMM_REG_REG:
trace_printf (simulator, STATE_CPU (simulator, 0),
" :: 0x%.8lx", (unsigned long)State.regs[OP[2]]);
break;
case OP_JUMP:
if (OP[1] != 0)
trace_printf (simulator, STATE_CPU (simulator, 0),
" :: 0x%.8lx", (unsigned long)State.regs[OP[1]]);
break;
case OP_LDSR:
trace_printf (simulator, STATE_CPU (simulator, 0),
" :: 0x%.8lx", (unsigned long)State.sregs[OP[1]]);
break;
}
trace_printf (simulator, STATE_CPU (simulator, 0),
"\n");
}
}
#else
#define trace_input(NAME, IN1, IN2)
#define trace_output(RESULT)
/* #define trace_input(NAME, IN1, IN2) fprintf (stderr, NAME "\n" ); */
#endif
/* Returns 1 if the specific condition is met, returns 0 otherwise. */
static unsigned int
condition_met (unsigned code)
{
unsigned int psw = PSW;
switch (code & 0xf)
{
case 0x0: return ((psw & PSW_OV) != 0);
case 0x1: return ((psw & PSW_CY) != 0);
case 0x2: return ((psw & PSW_Z) != 0);
case 0x3: return ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) != 0);
case 0x4: return ((psw & PSW_S) != 0);
/*case 0x5: return 1;*/
case 0x6: return ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) != 0);
case 0x7: return (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) || ((psw & PSW_Z) != 0)) != 0);
case 0x8: return ((psw & PSW_OV) == 0);
case 0x9: return ((psw & PSW_CY) == 0);
case 0xa: return ((psw & PSW_Z) == 0);
case 0xb: return ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) == 0);
case 0xc: return ((psw & PSW_S) == 0);
case 0xd: return ((psw & PSW_SAT) != 0);
case 0xe: return ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) == 0);
case 0xf: return (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) || ((psw & PSW_Z) != 0)) == 0);
}
return 1;
}
static unsigned long
Add32 (unsigned long a1, unsigned long a2, int * carry)
{
unsigned long result = (a1 + a2);
* carry = (result < a1);
return result;
}
static void
Multiply64 (boolean sign, unsigned long op0)
{
unsigned long op1;
unsigned long lo;
unsigned long mid1;
unsigned long mid2;
unsigned long hi;
unsigned long RdLo;
unsigned long RdHi;
int carry;
op1 = State.regs[ OP[1] ];
if (sign)
{
/* Compute sign of result and adjust operands if necessary. */
sign = (op0 ^ op1) & 0x80000000;
if (((signed long) op0) < 0)
op0 = - op0;
if (((signed long) op1) < 0)
op1 = - op1;
}
/* We can split the 32x32 into four 16x16 operations. This ensures
that we do not lose precision on 32bit only hosts: */
lo = ( (op0 & 0xFFFF) * (op1 & 0xFFFF));
mid1 = ( (op0 & 0xFFFF) * ((op1 >> 16) & 0xFFFF));
mid2 = (((op0 >> 16) & 0xFFFF) * (op1 & 0xFFFF));
hi = (((op0 >> 16) & 0xFFFF) * ((op1 >> 16) & 0xFFFF));
/* We now need to add all of these results together, taking care
to propogate the carries from the additions: */
RdLo = Add32 (lo, (mid1 << 16), & carry);
RdHi = carry;
RdLo = Add32 (RdLo, (mid2 << 16), & carry);
RdHi += (carry + ((mid1 >> 16) & 0xFFFF) + ((mid2 >> 16) & 0xFFFF) + hi);
if (sign)
{
/* Negate result if necessary. */
RdLo = ~ RdLo;
RdHi = ~ RdHi;
if (RdLo == 0xFFFFFFFF)
{
RdLo = 0;
RdHi += 1;
}
else
RdLo += 1;
}
State.regs[ OP[1] ] = RdLo;
State.regs[ OP[2] >> 11 ] = RdHi;
return;
}
/* Read a null terminated string from memory, return in a buffer */
static char *
fetch_str (sd, addr)
SIM_DESC sd;
address_word addr;
{
char *buf;
int nr = 0;
while (sim_core_read_1 (STATE_CPU (sd, 0),
PC, sim_core_read_map, addr + nr) != 0)
nr++;
buf = NZALLOC (char, nr + 1);
sim_read (simulator, addr, buf, nr);
return buf;
}
/* Read a null terminated argument vector from memory, return in a
buffer */
static char **
fetch_argv (sd, addr)
SIM_DESC sd;
address_word addr;
{
int max_nr = 64;
int nr = 0;
char **buf = xmalloc (max_nr * sizeof (char*));
while (1)
{
unsigned32 a = sim_core_read_4 (STATE_CPU (sd, 0),
PC, sim_core_read_map, addr + nr * 4);
if (a == 0) break;
buf[nr] = fetch_str (sd, a);
nr ++;
if (nr == max_nr - 1)
{
max_nr += 50;
buf = xrealloc (buf, max_nr * sizeof (char*));
}
}
buf[nr] = 0;
return buf;
}
/* sld.b */
int
OP_300 ()
{
unsigned long result;
result = load_mem (State.regs[30] + (OP[3] & 0x7f), 1);
/* start-sanitize-v850eq */
#ifdef ARCH_v850eq
trace_input ("sld.bu", OP_LOAD16, 1);
State.regs[ OP[1] ] = result;
#else
/* end-sanitize-v850eq */
trace_input ("sld.b", OP_LOAD16, 1);
State.regs[ OP[1] ] = EXTEND8 (result);
/* start-sanitize-v850eq */
#endif
/* end-sanitize-v850eq */
trace_output (OP_LOAD16);
return 2;
}
/* sld.h */
int
OP_400 ()
{
unsigned long result;
result = load_mem (State.regs[30] + ((OP[3] & 0x7f) << 1), 2);
/* start-sanitize-v850eq */
#ifdef ARCH_v850eq
trace_input ("sld.hu", OP_LOAD16, 2);
State.regs[ OP[1] ] = result;
#else
/* end-sanitize-v850eq */
trace_input ("sld.h", OP_LOAD16, 2);
State.regs[ OP[1] ] = EXTEND16 (result);
/* start-sanitize-v850eq */
#endif
/* end-sanitize-v850eq */
trace_output (OP_LOAD16);
return 2;
}
/* sld.w */
int
OP_500 ()
{
trace_input ("sld.w", OP_LOAD16, 4);
State.regs[ OP[1] ] = load_mem (State.regs[30] + ((OP[3] & 0x7f) << 1), 4);
trace_output (OP_LOAD16);
return 2;
}
/* sst.b */
int
OP_380 ()
{
trace_input ("sst.b", OP_STORE16, 1);
store_mem (State.regs[30] + (OP[3] & 0x7f), 1, State.regs[ OP[1] ]);
trace_output (OP_STORE16);
return 2;
}
/* sst.h */
int
OP_480 ()
{
trace_input ("sst.h", OP_STORE16, 2);
store_mem (State.regs[30] + ((OP[3] & 0x7f) << 1), 2, State.regs[ OP[1] ]);
trace_output (OP_STORE16);
return 2;
}
/* sst.w */
int
OP_501 ()
{
trace_input ("sst.w", OP_STORE16, 4);
store_mem (State.regs[30] + ((OP[3] & 0x7e) << 1), 4, State.regs[ OP[1] ]);
trace_output (OP_STORE16);
return 2;
}
/* ld.b */
int
OP_700 ()
{
int adr;
trace_input ("ld.b", OP_LOAD32, 1);
adr = State.regs[ OP[0] ] + EXTEND16 (OP[2]);
State.regs[ OP[1] ] = EXTEND8 (load_mem (adr, 1));
trace_output (OP_LOAD32);
return 4;
}
/* ld.h */
int
OP_720 ()
{
int adr;
trace_input ("ld.h", OP_LOAD32, 2);
adr = State.regs[ OP[0] ] + EXTEND16 (OP[2]);
adr &= ~0x1;
State.regs[ OP[1] ] = EXTEND16 (load_mem (adr, 2));
trace_output (OP_LOAD32);
return 4;
}
/* ld.w */
int
OP_10720 ()
{
int adr;
trace_input ("ld.w", OP_LOAD32, 4);
adr = State.regs[ OP[0] ] + EXTEND16 (OP[2] & ~1);
adr &= ~0x3;
State.regs[ OP[1] ] = load_mem (adr, 4);
trace_output (OP_LOAD32);
return 4;
}
/* st.b */
int
OP_740 ()
{
trace_input ("st.b", OP_STORE32, 1);
store_mem (State.regs[ OP[0] ] + EXTEND16 (OP[2]), 1, State.regs[ OP[1] ]);
trace_output (OP_STORE32);
return 4;
}
/* st.h */
int
OP_760 ()
{
int adr;
trace_input ("st.h", OP_STORE32, 2);
adr = State.regs[ OP[0] ] + EXTEND16 (OP[2]);
adr &= ~1;
store_mem (adr, 2, State.regs[ OP[1] ]);
trace_output (OP_STORE32);
return 4;
}
/* st.w */
int
OP_10760 ()
{
int adr;
trace_input ("st.w", OP_STORE32, 4);
adr = State.regs[ OP[0] ] + EXTEND16 (OP[2] & ~1);
adr &= ~3;
store_mem (adr, 4, State.regs[ OP[1] ]);
trace_output (OP_STORE32);
return 4;
}
static int
branch (int code)
{
trace_input ("Bcond", OP_COND_BR, 0);
trace_output (OP_COND_BR);
if (condition_met (code))
return SEXT9 (((OP[3] & 0x70) >> 3) | ((OP[3] & 0xf800) >> 7));
else
return 2;
}
/* bv disp9 */
int
OP_580 ()
{
return branch (0);
}
/* bl disp9 */
int
OP_581 ()
{
return branch (1);
}
/* be disp9 */
int
OP_582 ()
{
return branch (2);
}
/* bnh disp 9*/
int
OP_583 ()
{
return branch (3);
}
/* bn disp9 */
int
OP_584 ()
{
return branch (4);
}
/* br disp9 */
int
OP_585 ()
{
return branch (5);
}
/* blt disp9 */
int
OP_586 ()
{
return branch (6);
}
/* ble disp9 */
int
OP_587 ()
{
return branch (7);
}
/* bnv disp9 */
int
OP_588 ()
{
return branch (8);
}
/* bnl disp9 */
int
OP_589 ()
{
return branch (9);
}
/* bne disp9 */
int
OP_58A ()
{
return branch (10);
}
/* bh disp9 */
int
OP_58B ()
{
return branch (11);
}
/* bp disp9 */
int
OP_58C ()
{
return branch (12);
}
/* bsa disp9 */
int
OP_58D ()
{
return branch (13);
}
/* bge disp9 */
int
OP_58E ()
{
return branch (14);
}
/* bgt disp9 */
int
OP_58F ()
{
return branch (15);
}
/* jmp [reg1] */
/* sld.bu disp4[ep], reg2 */
int
OP_60 ()
{
if (OP[1] == 0)
{
trace_input ("jmp", OP_REG, 0);
PC = State.regs[ OP[0] ];
trace_output (OP_REG);
return 0; /* Add nothing to the PC, we have already done it. */
}
/* start-sanitize-v850e */
else
{
unsigned long result;
result = load_mem (State.regs[30] + (OP[3] & 0xf), 1);
/* start-sanitize-v850eq */
#ifdef ARCH_v850eq
trace_input ("sld.b", OP_LOAD16, 1);
State.regs[ OP[1] ] = EXTEND8 (result);
#else
/* end-sanitize-v850eq */
trace_input ("sld.bu", OP_LOAD16, 1);
State.regs[ OP[1] ] = result;
/* start-sanitize-v850eq */
#endif
/* end-sanitize-v850eq */
trace_output (OP_LOAD16);
return 2;
}
/* end-sanitize-v850e */
}
/* jarl/jr disp22, reg */
int
OP_780 ()
{
trace_input ("jarl/jr", OP_JUMP, 0);
if (OP[ 1 ] != 0)
State.regs[ OP[1] ] = PC + 4;
trace_output (OP_JUMP);
return SEXT22 (((OP[3] & 0x3f) << 16) | OP[2]);
}
/* add reg, reg */
int
OP_1C0 ()
{
unsigned int op0, op1, result, z, s, cy, ov;
trace_input ("add", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 + op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (result < op0 || result < op1);
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_REG_REG);
return 2;
}
/* add sign_extend(imm5), reg */
int
OP_240 ()
{
unsigned int op0, op1, result, z, s, cy, ov;
int temp;
trace_input ("add", OP_IMM_REG, 0);
/* Compute the result. */
temp = SEXT5 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op0 + op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (result < op0 || result < op1);
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_IMM_REG);
return 2;
}
/* addi sign_extend(imm16), reg, reg */
int
OP_600 ()
{
unsigned int op0, op1, result, z, s, cy, ov;
trace_input ("addi", OP_IMM_REG_REG, 0);
/* Compute the result. */
op0 = EXTEND16 (OP[2]);
op1 = State.regs[ OP[0] ];
result = op0 + op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (result < op0 || result < op1);
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_IMM_REG_REG);
return 4;
}
/* sub reg1, reg2 */
int
OP_1A0 ()
{
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] ];
result = op1 - op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 < op0);
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_REG_REG);
return 2;
}
/* subr reg1, reg2 */
int
OP_180 ()
{
unsigned int op0, op1, result, z, s, cy, ov;
trace_input ("subr", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 - op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op0 < op1);
ov = ((op0 & 0x80000000) != (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_REG_REG);
return 2;
}
/* sxh reg1 */
/* mulh reg1, reg2 */
int
OP_E0 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
trace_input ("sxh", OP_REG, 0);
State.regs[ OP[0] ] = EXTEND16 (State.regs[ OP[0] ]);
trace_output (OP_REG);
}
else
/* end-sanitize-v850e */
{
trace_input ("mulh", OP_REG_REG, 0);
State.regs[ OP[1] ] = (EXTEND16 (State.regs[ OP[1] ]) * EXTEND16 (State.regs[ OP[0] ]));
trace_output (OP_REG_REG);
}
return 2;
}
/* mulh sign_extend(imm5), reg2 */
int
OP_2E0 ()
{
trace_input ("mulh", OP_IMM_REG, 0);
State.regs[ OP[1] ] = EXTEND16 (State.regs[ OP[1] ]) * SEXT5 (OP[0]);
trace_output (OP_IMM_REG);
return 2;
}
/* mulhi imm16, reg1, reg2 */
int
OP_6E0 ()
{
if (OP[1] == 0)
{
}
else
{
trace_input ("mulhi", OP_IMM_REG_REG, 0);
State.regs[ OP[1] ] = EXTEND16 (State.regs[ OP[0] ]) * EXTEND16 (OP[2]);
trace_output (OP_IMM_REG_REG);
}
return 4;
}
/* divh reg1, reg2 */
/* switch reg1 */
int
OP_40 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
unsigned long adr;
trace_input ("switch", OP_REG, 0);
adr = State.pc + 2 + (State.regs[ OP[0] ] << 1);
State.pc = State.pc + 2 + (EXTEND16 (load_mem (adr, 2)) << 1);
trace_output (OP_REG);
}
else
/* end-sanitize-v850e */
{
unsigned int op0, op1, result, ov, s, z;
int temp;
trace_input ("divh", OP_REG_REG, 0);
/* Compute the result. */
temp = EXTEND16 (State.regs[ OP[0] ]);
op0 = temp;
op1 = State.regs[OP[1]];
if (op0 == 0xffffffff && op1 == 0x80000000)
{
result = 0x80000000;
ov = 1;
}
else if (op0 != 0)
{
result = op1 / op0;
ov = 0;
}
else
{
result = 0x0;
ov = 1;
}
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (ov ? PSW_OV : 0));
trace_output (OP_REG_REG);
}
return 2;
}
/* cmp reg, reg */
int
OP_1E0 ()
{
unsigned int op0, op1, result, z, s, cy, ov;
trace_input ("cmp", OP_REG_REG_CMP, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op1 - op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 < op0);
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_REG_REG_CMP);
return 2;
}
/* cmp sign_extend(imm5), reg */
int
OP_260 ()
{
unsigned int op0, op1, result, z, s, cy, ov;
int temp;
/* Compute the result. */
trace_input ("cmp", OP_IMM_REG_CMP, 0);
temp = SEXT5 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op1 - op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 < op0);
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0));
trace_output (OP_IMM_REG_CMP);
return 2;
}
/* setf cccc,reg2 */
int
OP_7E0 ()
{
trace_input ("setf", OP_EX1, 0);
State.regs[ OP[1] ] = condition_met (OP[0]);
trace_output (OP_EX1);
return 4;
}
/* zxh reg1 */
/* satadd reg,reg */
int
OP_C0 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
trace_input ("zxh", OP_REG, 0);
State.regs[ OP[0] ] &= 0xffff;
trace_output (OP_REG);
}
else
/* end-sanitize-v850e */
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
trace_input ("satadd", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 + op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (result < op0 || result < op1);
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
sat = ov;
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
| (sat ? PSW_SAT : 0));
/* Handle saturated results. */
if (sat && s)
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
trace_output (OP_REG_REG);
}
return 2;
}
/* satadd sign_extend(imm5), reg */
int
OP_220 ()
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
int temp;
trace_input ("satadd", OP_IMM_REG, 0);
/* Compute the result. */
temp = SEXT5 (OP[0]);
op0 = temp;
op1 = State.regs[OP[1]];
result = op0 + op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (result < op0 || result < op1);
ov = ((op0 & 0x80000000) == (op1 & 0x80000000)
&& (op0 & 0x80000000) != (result & 0x80000000));
sat = ov;
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
| (sat ? PSW_SAT : 0));
/* Handle saturated results. */
if (sat && s)
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
trace_output (OP_IMM_REG);
return 2;
}
/* satsub reg1, reg2 */
/* sxb reg1 */
int
OP_A0 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
trace_input ("sxb", OP_REG, 0);
State.regs[ OP[0] ] = EXTEND8 (State.regs[ OP[0] ]);
trace_output (OP_REG);
}
else
/* end-sanitize-v850e */
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
trace_input ("satsub", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op1 - op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 < op0);
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
sat = ov;
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
| (sat ? PSW_SAT : 0));
/* Handle saturated results. */
if (sat && s)
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
trace_output (OP_REG_REG);
}
return 2;
}
/* satsubi sign_extend(imm16), reg */
int
OP_660 ()
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
int temp;
trace_input ("satsubi", OP_IMM_REG, 0);
/* Compute the result. */
temp = EXTEND16 (OP[2]);
op0 = temp;
op1 = State.regs[ OP[0] ];
result = op1 - op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 < op0);
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
sat = ov;
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
| (sat ? PSW_SAT : 0));
/* Handle saturated results. */
if (sat && s)
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
trace_output (OP_IMM_REG);
return 4;
}
/* satsubr reg,reg */
/* zxb reg1 */
int
OP_80 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
trace_input ("zxb", OP_REG, 0);
State.regs[ OP[0] ] &= 0xff;
trace_output (OP_REG);
}
else
/* end-sanitize-v850e */
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
trace_input ("satsubr", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 - op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (result < op0);
ov = ((op1 & 0x80000000) != (op0 & 0x80000000)
&& (op1 & 0x80000000) != (result & 0x80000000));
sat = ov;
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)
| (sat ? PSW_SAT : 0));
/* Handle saturated results. */
if (sat && s)
State.regs[OP[1]] = 0x80000000;
else if (sat)
State.regs[OP[1]] = 0x7fffffff;
trace_output (OP_REG_REG);
}
return 2;
}
/* tst reg,reg */
int
OP_160 ()
{
unsigned int op0, op1, result, z, s;
trace_input ("tst", OP_REG_REG_CMP, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 & op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_REG_REG_CMP);
return 2;
}
/* mov reg, reg */
int
OP_0 ()
{
trace_input ("mov", OP_REG_REG_MOVE, 0);
State.regs[ OP[1] ] = State.regs[ OP[0] ];
trace_output (OP_REG_REG_MOVE);
return 2;
}
/* mov sign_extend(imm5), reg */
/* callt imm6 */
int
OP_200 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
unsigned long adr;
trace_input ("callt", OP_LOAD16, 1);
CTPC = PC + 2;
CTPSW = PSW;
adr = CTBP + ((OP[3] & 0x3f) << 1);
PC = CTBP + load_mem (adr, 1);
trace_output (OP_LOAD16);
return 0;
}
else
/* end-sanitize-v850e */
{
int value = SEXT5 (OP[0]);
trace_input ("mov", OP_IMM_REG_MOVE, 0);
State.regs[ OP[1] ] = value;
trace_output (OP_IMM_REG_MOVE);
return 2;
}
}
/* mov imm32, reg1 */
/* movea sign_extend(imm16), reg, reg */
int
OP_620 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
trace_input ("mov", OP_IMM_REG, 4);
State.regs[ OP[0] ] = load_mem (PC + 2, 4);
trace_output (OP_IMM_REG);
return 6;
}
else
/* end-sanitize-v850e */
{
trace_input ("movea", OP_IMM_REG_REG, 0);
State.regs[ OP[1] ] = State.regs[ OP[0] ] + EXTEND16 (OP[2]);
trace_output (OP_IMM_REG_REG);
return 4;
}
}
/* dispose imm5, list12 [, reg1] */
/* movhi imm16, reg, reg */
int
OP_640 ()
{
/* start-sanitize-v850e */
if (OP[1] == 0)
{
int i;
trace_input ("dispose", OP_PUSHPOP1, 0);
SP += (OP[3] & 0x3e) << 1;
/* Load the registers with lower number registers being retrieved from higher addresses. */
for (i = 12; i--;)
if ((OP[3] & (1 << type1_regs[ i ])))
{
State.regs[ 20 + i ] = load_mem (SP, 4);
SP += 4;
}
if ((OP[3] & 0x1f0000) != 0)
{
PC = State.regs[ (OP[3] >> 16) & 0x1f];
return 0;
}
trace_output (OP_PUSHPOP1);
}
else
/* end-sanitize-v850e */
{
trace_input ("movhi", OP_UIMM_REG_REG, 16);
State.regs[ OP[1] ] = State.regs[ OP[0] ] + (OP[2] << 16);
trace_output (OP_UIMM_REG_REG);
}
return 4;
}
/* sar zero_extend(imm5),reg1 */
int
OP_2A0 ()
{
unsigned int op0, op1, result, z, s, cy;
trace_input ("sar", OP_IMM_REG, 0);
op0 = OP[0];
op1 = State.regs[ OP[1] ];
result = (signed)op1 >> op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 & (1 << (op0 - 1)));
/* Store the result and condition codes. */
State.regs[ OP[1] ] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0));
trace_output (OP_IMM_REG);
return 2;
}
/* sar reg1, reg2 */
int
OP_A007E0 ()
{
unsigned int op0, op1, result, z, s, cy;
trace_input ("sar", OP_REG_REG, 0);
op0 = State.regs[ OP[0] ] & 0x1f;
op1 = State.regs[ OP[1] ];
result = (signed)op1 >> op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 & (1 << (op0 - 1)));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0));
trace_output (OP_REG_REG);
return 4;
}
/* shl zero_extend(imm5),reg1 */
int
OP_2C0 ()
{
unsigned int op0, op1, result, z, s, cy;
trace_input ("shl", OP_IMM_REG, 0);
op0 = OP[0];
op1 = State.regs[ OP[1] ];
result = op1 << op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 & (1 << (32 - op0)));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0));
trace_output (OP_IMM_REG);
return 2;
}
/* shl reg1, reg2 */
int
OP_C007E0 ()
{
unsigned int op0, op1, result, z, s, cy;
trace_input ("shl", OP_REG_REG, 0);
op0 = State.regs[ OP[0] ] & 0x1f;
op1 = State.regs[ OP[1] ];
result = op1 << op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 & (1 << (32 - op0)));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0));
trace_output (OP_REG_REG);
return 4;
}
/* shr zero_extend(imm5),reg1 */
int
OP_280 ()
{
unsigned int op0, op1, result, z, s, cy;
trace_input ("shr", OP_IMM_REG, 0);
op0 = OP[0];
op1 = State.regs[ OP[1] ];
result = op1 >> op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 & (1 << (op0 - 1)));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0));
trace_output (OP_IMM_REG);
return 2;
}
/* shr reg1, reg2 */
int
OP_8007E0 ()
{
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;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
cy = (op1 & (1 << (op0 - 1)));
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
| (cy ? PSW_CY : 0));
trace_output (OP_REG_REG);
return 4;
}
/* or reg, reg */
int
OP_100 ()
{
unsigned int op0, op1, result, z, s;
trace_input ("or", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 | op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_REG_REG);
return 2;
}
/* ori zero_extend(imm16), reg, reg */
int
OP_680 ()
{
unsigned int op0, op1, result, z, s;
trace_input ("ori", OP_UIMM_REG_REG, 0);
op0 = OP[2];
op1 = State.regs[ OP[0] ];
result = op0 | op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_UIMM_REG_REG);
return 4;
}
/* and reg, reg */
int
OP_140 ()
{
unsigned int op0, op1, result, z, s;
trace_input ("and", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 & op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_REG_REG);
return 2;
}
/* andi zero_extend(imm16), reg, reg */
int
OP_6C0 ()
{
unsigned int result, z;
trace_input ("andi", OP_UIMM_REG_REG, 0);
result = OP[2] & State.regs[ OP[0] ];
/* Compute the condition codes. */
z = (result == 0);
/* Store the result and condition codes. */
State.regs[ OP[1] ] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= (z ? PSW_Z : 0);
trace_output (OP_UIMM_REG_REG);
return 4;
}
/* xor reg, reg */
int
OP_120 ()
{
unsigned int op0, op1, result, z, s;
trace_input ("xor", OP_REG_REG, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
op1 = State.regs[ OP[1] ];
result = op0 ^ op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_REG_REG);
return 2;
}
/* xori zero_extend(imm16), reg, reg */
int
OP_6A0 ()
{
unsigned int op0, op1, result, z, s;
trace_input ("xori", OP_UIMM_REG_REG, 0);
op0 = OP[2];
op1 = State.regs[ OP[0] ];
result = op0 ^ op1;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_UIMM_REG_REG);
return 4;
}
/* not reg1, reg2 */
int
OP_20 ()
{
unsigned int op0, result, z, s;
trace_input ("not", OP_REG_REG_MOVE, 0);
/* Compute the result. */
op0 = State.regs[ OP[0] ];
result = ~op0;
/* Compute the condition codes. */
z = (result == 0);
s = (result & 0x80000000);
/* Store the result and condition codes. */
State.regs[OP[1]] = result;
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0));
trace_output (OP_REG_REG_MOVE);
return 2;
}
/* set1 */
int
OP_7C0 ()
{
unsigned int op0, op1, op2;
int temp;
trace_input ("set1", OP_BIT, 0);
op0 = State.regs[ OP[0] ];
op1 = OP[1] & 0x7;
temp = EXTEND16 (OP[2]);
op2 = temp;
temp = load_mem (op0 + op2, 1);
PSW &= ~PSW_Z;
if ((temp & (1 << op1)) == 0)
PSW |= PSW_Z;
temp |= (1 << op1);
store_mem (op0 + op2, 1, temp);
trace_output (OP_BIT);
return 4;
}
/* not1 */
int
OP_47C0 ()
{
unsigned int op0, op1, op2;
int temp;
trace_input ("not1", OP_BIT, 0);
op0 = State.regs[ OP[0] ];
op1 = OP[1] & 0x7;
temp = EXTEND16 (OP[2]);
op2 = temp;
temp = load_mem (op0 + op2, 1);
PSW &= ~PSW_Z;
if ((temp & (1 << op1)) == 0)
PSW |= PSW_Z;
temp ^= (1 << op1);
store_mem (op0 + op2, 1, temp);
trace_output (OP_BIT);
return 4;
}
/* clr1 */
int
OP_87C0 ()
{
unsigned int op0, op1, op2;
int temp;
trace_input ("clr1", OP_BIT, 0);
op0 = State.regs[ OP[0] ];
op1 = OP[1] & 0x7;
temp = EXTEND16 (OP[2]);
op2 = temp;
temp = load_mem (op0 + op2, 1);
PSW &= ~PSW_Z;
if ((temp & (1 << op1)) == 0)
PSW |= PSW_Z;
temp &= ~(1 << op1);
store_mem (op0 + op2, 1, temp);
trace_output (OP_BIT);
return 4;
}
/* tst1 */
int
OP_C7C0 ()
{
unsigned int op0, op1, op2;
int temp;
trace_input ("tst1", OP_BIT, 0);
op0 = State.regs[ OP[0] ];
op1 = OP[1] & 0x7;
temp = EXTEND16 (OP[2]);
op2 = temp;
temp = load_mem (op0 + op2, 1);
PSW &= ~PSW_Z;
if ((temp & (1 << op1)) == 0)
PSW |= PSW_Z;
trace_output (OP_BIT);
return 4;
}
/* breakpoint */
int
OP_FFFF ()
{
sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
sim_stopped, SIGTRAP);
return 0;
}
/* di */
int
OP_16007E0 ()
{
trace_input ("di", OP_NONE, 0);
PSW |= PSW_ID;
trace_output (OP_NONE);
return 4;
}
/* ei */
int
OP_16087E0 ()
{
trace_input ("ei", OP_NONE, 0);
PSW &= ~PSW_ID;
trace_output (OP_NONE);
return 4;
}
/* halt */
int
OP_12007E0 ()
{
trace_input ("halt", OP_NONE, 0);
/* FIXME this should put processor into a mode where NMI still handled */
trace_output (OP_NONE);
sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
sim_stopped, SIGTRAP);
return 0;
}
/* reti */
int
OP_14007E0 ()
{
trace_input ("reti", OP_NONE, 0);
trace_output (OP_NONE);
/* Restore for NMI if only NP on, otherwise is interrupt or exception. */
if ((PSW & (PSW_NP | PSW_EP)) == PSW_NP)
{
PC = FEPC - 4;
PSW = FEPSW;
}
else
{
PC = EIPC - 4;
PSW = EIPSW;
}
return 0;
}
/* trap */
int
OP_10007E0 ()
{
trace_input ("trap", OP_TRAP, 0);
trace_output (OP_TRAP);
/* Trap 31 is used for simulating OS I/O functions */
if (OP[0] == 31)
{
int save_errno = errno;
errno = 0;
/* Registers passed to trap 0 */
#define FUNC State.regs[6] /* function number, return value */
#define PARM1 State.regs[7] /* optional parm 1 */
#define PARM2 State.regs[8] /* optional parm 2 */
#define PARM3 State.regs[9] /* optional parm 3 */
/* Registers set by trap 0 */
#define RETVAL State.regs[10] /* return value */
#define RETERR State.regs[11] /* return error code */
/* Turn a pointer in a register into a pointer into real memory. */
#define MEMPTR(x) (map (x))
switch (FUNC)
{
#ifdef HAVE_FORK
#ifdef SYS_fork
case SYS_fork:
RETVAL = fork ();
break;
#endif
#endif
#ifdef HAVE_EXECVE
#ifdef SYS_execv
case SYS_execve:
{
char *path = fetch_str (simulator, PARM1);
char **argv = fetch_argv (simulator, PARM2);
char **envp = fetch_argv (simulator, PARM3);
RETVAL = execve (path, argv, envp);
zfree (path);
freeargv (argv);
freeargv (envp);
break;
}
#endif
#endif
#if HAVE_EXECV
#ifdef SYS_execv
case SYS_execv:
{
char *path = fetch_str (simulator, PARM1);
char **argv = fetch_argv (simulator, PARM2);
RETVAL = execv (path, argv);
zfree (path);
freeargv (argv);
break;
}
#endif
#endif
#if 0
#ifdef SYS_pipe
case SYS_pipe:
{
reg_t buf;
int host_fd[2];
buf = PARM1;
RETVAL = pipe (host_fd);
SW (buf, host_fd[0]);
buf += sizeof(uint16);
SW (buf, host_fd[1]);
}
break;
#endif
#endif
#if 0
#ifdef SYS_wait
case SYS_wait:
{
int status;
RETVAL = wait (&status);
SW (PARM1, status);
}
break;
#endif
#endif
#ifdef SYS_read
case SYS_read:
{
char *buf = zalloc (PARM3);
RETVAL = sim_io_read (simulator, PARM1, buf, PARM3);
sim_write (simulator, PARM2, buf, PARM3);
zfree (buf);
break;
}
#endif
#ifdef SYS_write
case SYS_write:
{
char *buf = zalloc (PARM3);
sim_read (simulator, PARM2, buf, PARM3);
if (PARM1 == 1)
RETVAL = sim_io_write_stdout (simulator, buf, PARM3);
else
RETVAL = sim_io_write (simulator, PARM1, buf, PARM3);
zfree (buf);
break;
}
#endif
#ifdef SYS_lseek
case SYS_lseek:
RETVAL = sim_io_lseek (simulator, PARM1, PARM2, PARM3);
break;
#endif
#ifdef SYS_close
case SYS_close:
RETVAL = sim_io_close (simulator, PARM1);
break;
#endif
#ifdef SYS_open
case SYS_open:
{
char *buf = fetch_str (simulator, PARM1);
RETVAL = sim_io_open (simulator, buf, PARM2);
zfree (buf);
break;
}
#endif
#ifdef SYS_exit
case SYS_exit:
if ((PARM1 & 0xffff0000) == 0xdead0000 && (PARM1 & 0xffff) != 0)
/* get signal encoded by kill */
sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
sim_signalled, PARM1 & 0xffff);
else if (PARM1 == 0xdead)
/* old libraries */
sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
sim_exited, SIGABRT);
else
/* PARM1 has exit status */
sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC,
sim_exited, PARM1);
break;
#endif
#if !defined(__GO32__) && !defined(_WIN32)
#ifdef SYS_stat
case SYS_stat: /* added at hmsi */
/* stat system call */
{
struct stat host_stat;
reg_t buf;
char *path = fetch_str (simulator, PARM1);
RETVAL = stat (path, &host_stat);
zfree (path);
buf = PARM2;
/* 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;
#endif
#endif
#ifdef HAVE_CHOWN
#ifdef SYS_chown
case SYS_chown:
{
char *path = fetch_str (simulator, PARM1);
RETVAL = chown (path, PARM2, PARM3);
zfree (path);
}
break;
#endif
#endif
#if HAVE_CHMOD
#ifdef SYS_chmod
case SYS_chmod:
{
char *path = fetch_str (simulator, PARM1);
RETVAL = chmod (path, PARM2);
zfree (path);
}
break;
#endif
#endif
#ifdef SYS_time
#if HAVE_TIME
case SYS_time:
{
time_t now;
RETVAL = time (&now);
store_mem (PARM1, 4, now);
}
break;
#endif
#endif
#if !defined(__GO32__) && !defined(_WIN32)
#ifdef SYS_times
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;
}
#endif
#endif
#ifdef SYS_gettimeofday
#if !defined(__GO32__) && !defined(_WIN32)
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;
}
#endif
#endif
#ifdef SYS_utime
#if HAVE_UTIME
case SYS_utime:
{
/* Cast the second argument to void *, to avoid type mismatch
if a prototype is present. */
sim_io_error (simulator, "Utime not supported");
/* RETVAL = utime (path, (void *) MEMPTR (PARM2)); */
}
break;
#endif
#endif
default:
abort ();
}
RETERR = errno;
errno = save_errno;
return 4;
}
else
{ /* Trap 0 -> 30 */
EIPC = PC + 4;
EIPSW = PSW;
/* Mask out EICC */
ECR &= 0xffff0000;
ECR |= 0x40 + OP[0];
/* Flag that we are now doing exception processing. */
PSW |= PSW_EP | PSW_ID;
PC = ((OP[0] < 0x10) ? 0x40 : 0x50) - 4;
return 0;
}
}
/* ldsr, reg,reg */
int
OP_2007E0 ()
{
trace_input ("ldsr", OP_LDSR, 0);
State.sregs[ OP[1] ] = State.regs[ OP[0] ];
trace_output (OP_LDSR);
return 4;
}
/* stsr */
int
OP_4007E0 ()
{
trace_input ("stsr", OP_STSR, 0);
State.regs[ OP[1] ] = State.sregs[ OP[0] ];
trace_output (OP_STSR);
return 4;
}
/* tst1 reg2, [reg1] */
int
OP_E607E0 (void)
{
int temp;
trace_input ("tst1", OP_BIT, 1);
temp = load_mem (State.regs[ OP[0] ], 1);
PSW &= ~PSW_Z;
if ((temp & (1 << State.regs[ OP[1] & 0x7 ])) == 0)
PSW |= PSW_Z;
trace_output (OP_BIT);
return 4;
}
/* mulu reg1, reg2, reg3 */
int
OP_22207E0 (void)
{
trace_input ("mulu", OP_REG_REG_REG, 0);
Multiply64 (false, State.regs[ OP[0] ]);
trace_output (OP_REG_REG_REG);
return 4;
}
/* start-sanitize-v850e */
#define BIT_CHANGE_OP( name, binop ) \
unsigned int bit; \
unsigned int temp; \
\
trace_input (name, OP_BIT_CHANGE, 0); \
\
bit = 1 << State.regs[ OP[1] & 0x7 ]; \
temp = load_mem (State.regs[ OP[0] ], 1); \
\
PSW &= ~PSW_Z; \
if ((temp & bit) == 0) \
PSW |= PSW_Z; \
temp binop bit; \
\
store_mem (State.regs[ OP[0] ], 1, temp); \
\
trace_output (OP_BIT_CHANGE); \
\
return 4;
/* clr1 reg2, [reg1] */
int
OP_E407E0 (void)
{
BIT_CHANGE_OP ("clr1", &= ~ );
}
/* not1 reg2, [reg1] */
int
OP_E207E0 (void)
{
BIT_CHANGE_OP ("not1", ^= );
}
/* set1 */
int
OP_E007E0 (void)
{
BIT_CHANGE_OP ("set1", |= );
}
/* sasf */
int
OP_20007E0 (void)
{
trace_input ("sasf", OP_EX1, 0);
State.regs[ OP[1] ] = (State.regs[ OP[1] ] << 1) | condition_met (OP[0]);
trace_output (OP_EX1);
return 4;
}
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
/* This function is courtesy of Sugimoto at NEC, via Seow Tan (Soew_Tan@el.nec.com) */
static void
divun
(
unsigned int N,
unsigned long int als,
unsigned long int sfi,
unsigned long int * quotient_ptr,
unsigned long int * remainder_ptr,
boolean * overflow_ptr
)
{
unsigned long ald = sfi >> (N - 1);
unsigned long alo = als;
unsigned int Q = 1;
unsigned int C;
unsigned int S = 0;
unsigned int i;
unsigned int R1 = 1;
unsigned int DBZ = (als == 0) ? 1 : 0;
unsigned long alt = Q ? ~als : als;
/* 1st Loop */
alo = ald + alt + Q;
C = (((alt >> 31) & (ald >> 31))
| (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31)));
C = C ^ Q;
Q = ~(C ^ S) & 1;
R1 = (alo == 0) ? 0 : (R1 & Q);
if ((S ^ (alo>>31)) && !C)
{
DBZ = 1;
}
S = alo >> 31;
sfi = (sfi << (32-N+1)) | Q;
ald = (alo << 1) | (sfi >> 31);
/* 2nd - N-1th Loop */
for (i = 2; i < N; i++)
{
alt = Q ? ~als : als;
alo = ald + alt + Q;
C = (((alt >> 31) & (ald >> 31))
| (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31)));
C = C ^ Q;
Q = ~(C ^ S) & 1;
R1 = (alo == 0) ? 0 : (R1 & Q);
if ((S ^ (alo>>31)) && !C && !DBZ)
{
DBZ = 1;
}
S = alo >> 31;
sfi = (sfi << 1) | Q;
ald = (alo << 1) | (sfi >> 31);
}
/* Nth Loop */
alt = Q ? ~als : als;
alo = ald + alt + Q;
C = (((alt >> 31) & (ald >> 31))
| (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31)));
C = C ^ Q;
Q = ~(C ^ S) & 1;
R1 = (alo == 0) ? 0 : (R1 & Q);
if ((S ^ (alo>>31)) && !C)
{
DBZ = 1;
}
* quotient_ptr = (sfi << 1) | Q;
* remainder_ptr = Q ? alo : (alo + als);
* overflow_ptr = DBZ | R1;
}
/* This function is courtesy of Sugimoto at NEC, via Seow Tan (Soew_Tan@el.nec.com) */
static void
divn
(
unsigned int N,
unsigned long int als,
unsigned long int sfi,
signed long int * quotient_ptr,
signed long int * remainder_ptr,
boolean * overflow_ptr
)
{
unsigned long ald = (signed long) sfi >> (N - 1);
unsigned long alo = als;
unsigned int SS = als >> 31;
unsigned int SD = sfi >> 31;
unsigned int R1 = 1;
unsigned int OV;
unsigned int DBZ = als == 0 ? 1 : 0;
unsigned int Q = ~(SS ^ SD) & 1;
unsigned int C;
unsigned int S;
unsigned int i;
unsigned long alt = Q ? ~als : als;
/* 1st Loop */
alo = ald + alt + Q;
C = (((alt >> 31) & (ald >> 31))
| (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31)));
Q = C ^ SS;
R1 = (alo == 0) ? 0 : (R1 & (Q ^ (SS ^ SD)));
S = alo >> 31;
sfi = (sfi << (32-N+1)) | Q;
ald = (alo << 1) | (sfi >> 31);
if ((alo >> 31) ^ (ald >> 31))
{
DBZ = 1;
}
/* 2nd - N-1th Loop */
for (i = 2; i < N; i++)
{
alt = Q ? ~als : als;
alo = ald + alt + Q;
C = (((alt >> 31) & (ald >> 31))
| (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31)));
Q = C ^ SS;
R1 = (alo == 0) ? 0 : (R1 & (Q ^ (SS ^ SD)));
S = alo >> 31;
sfi = (sfi << 1) | Q;
ald = (alo << 1) | (sfi >> 31);
if ((alo >> 31) ^ (ald >> 31))
{
DBZ = 1;
}
}
/* Nth Loop */
alt = Q ? ~als : als;
alo = ald + alt + Q;
C = (((alt >> 31) & (ald >> 31))
| (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31)));
Q = C ^ SS;
R1 = (alo == 0) ? 0 : (R1 & (Q ^ (SS ^ SD)));
sfi = (sfi << (32-N+1));
ald = alo;
/* End */
if (alo != 0)
{
alt = Q ? ~als : als;
alo = ald + alt + Q;
}
R1 = R1 & ((~alo >> 31) ^ SD);
if ((alo != 0) && ((Q ^ (SS ^ SD)) ^ R1)) alo = ald;
if (N != 32)
ald = sfi = (long) ((sfi >> 1) | (SS ^ SD) << 31) >> (32-N-1) | Q;
else
ald = sfi = sfi | Q;
OV = DBZ | ((alo == 0) ? 0 : R1);
* remainder_ptr = alo;
/* Adj */
if (((alo != 0) && ((SS ^ SD) ^ R1))
|| ((alo == 0) && (SS ^ R1)))
alo = ald + 1;
else
alo = ald;
OV = (DBZ | R1) ? OV : ((alo >> 31) & (~ald >> 31));
* quotient_ptr = alo;
* overflow_ptr = OV;
}
/* sdivun imm5, reg1, reg2, reg3 */
int
OP_1C207E0 (void)
{
unsigned long int quotient;
unsigned long int remainder;
unsigned long int divide_by;
unsigned long int divide_this;
boolean overflow = false;
unsigned int imm5;
trace_input ("sdivun", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = State.regs[ OP[0] ];
divide_this = State.regs[ OP[1] ] << imm5;
divun (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient & 0x80000000) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
return 4;
}
/* sdivn imm5, reg1, reg2, reg3 */
int
OP_1C007E0 (void)
{
signed long int quotient;
signed long int remainder;
signed long int divide_by;
signed long int divide_this;
boolean overflow = false;
unsigned int imm5;
trace_input ("sdivn", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = State.regs[ OP[0] ];
divide_this = State.regs[ OP[1] ] << imm5;
divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient < 0) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
return 4;
}
/* sdivhun imm5, reg1, reg2, reg3 */
int
OP_18207E0 (void)
{
unsigned long int quotient;
unsigned long int remainder;
unsigned long int divide_by;
unsigned long int divide_this;
boolean overflow = false;
unsigned int imm5;
trace_input ("sdivhun", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = State.regs[ OP[0] ] & 0xffff;
divide_this = State.regs[ OP[1] ] << imm5;
divun (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient & 0x80000000) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
return 4;
}
/* sdivhn imm5, reg1, reg2, reg3 */
int
OP_18007E0 (void)
{
signed long int quotient;
signed long int remainder;
signed long int divide_by;
signed long int divide_this;
boolean overflow = false;
unsigned int imm5;
trace_input ("sdivhn", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = EXTEND16 (State.regs[ OP[0] ]);
divide_this = State.regs[ OP[1] ] << imm5;
divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient < 0) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
return 4;
}
/* end-sanitize-v850eq */
/* start-sanitize-v850e */
/* divu reg1, reg2, reg3 */
int
OP_2C207E0 (void)
{
unsigned long int quotient;
unsigned long int remainder;
unsigned long int divide_by;
unsigned long int divide_this;
boolean overflow = false;
if ((OP[3] & 0x3c0000) == 0)
{
trace_input ("divu", OP_REG_REG_REG, 0);
/* Compute the result. */
divide_by = State.regs[ OP[0] ];
divide_this = State.regs[ OP[1] ];
if (divide_by == 0)
{
overflow = true;
divide_by = 1;
}
State.regs[ OP[1] ] = quotient = divide_this / divide_by;
State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient & 0x80000000) PSW |= PSW_S;
trace_output (OP_REG_REG_REG);
}
/* start-sanitize-v850eq */
/* divun imm5, reg1, reg2, reg3 */
else
{
unsigned int imm5;
trace_input ("divun", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = State.regs[ OP[0] ];
divide_this = State.regs[ OP[1] ];
divun (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient & 0x80000000) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
}
/* end-sanitize-v850eq */
return 4;
}
/* div reg1, reg2, reg3 */
int
OP_2C007E0 (void)
{
signed long int quotient;
signed long int remainder;
signed long int divide_by;
signed long int divide_this;
boolean overflow = false;
if ((OP[3] & 0x3c0000) == 0)
{
trace_input ("div", OP_REG_REG_REG, 0);
/* Compute the result. */
divide_by = State.regs[ OP[0] ];
divide_this = State.regs[ OP[1] ];
if (divide_by == 0 || (divide_by == -1 && divide_this == (1 << 31)))
{
overflow = true;
divide_by = 1;
}
State.regs[ OP[1] ] = quotient = divide_this / divide_by;
State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient < 0) PSW |= PSW_S;
trace_output (OP_REG_REG_REG);
}
/* start-sanitize-v850eq */
/* divn imm5, reg1, reg2, reg3 */
else
{
unsigned int imm5;
trace_input ("divn", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = State.regs[ OP[0] ];
divide_this = State.regs[ OP[1] ];
divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient < 0) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
}
/* end-sanitize-v850eq */
return 4;
}
/* divhu reg1, reg2, reg3 */
int
OP_28207E0 (void)
{
unsigned long int quotient;
unsigned long int remainder;
unsigned long int divide_by;
unsigned long int divide_this;
boolean overflow = false;
if ((OP[3] & 0x3c0000) == 0)
{
trace_input ("divhu", OP_REG_REG_REG, 0);
/* Compute the result. */
divide_by = State.regs[ OP[0] ] & 0xffff;
divide_this = State.regs[ OP[1] ];
if (divide_by == 0)
{
overflow = true;
divide_by = 1;
}
State.regs[ OP[1] ] = quotient = divide_this / divide_by;
State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient & 0x80000000) PSW |= PSW_S;
trace_output (OP_REG_REG_REG);
}
/* start-sanitize-v850eq */
/* divhun imm5, reg1, reg2, reg3 */
else
{
unsigned int imm5;
trace_input ("divhun", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = State.regs[ OP[0] ] & 0xffff;
divide_this = State.regs[ OP[1] ];
divun (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient & 0x80000000) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
}
/* end-sanitize-v850eq */
return 4;
}
/* divh reg1, reg2, reg3 */
int
OP_28007E0 (void)
{
signed long int quotient;
signed long int remainder;
signed long int divide_by;
signed long int divide_this;
boolean overflow = false;
if ((OP[3] & 0x3c0000) == 0)
{
trace_input ("divh", OP_REG_REG_REG, 0);
/* Compute the result. */
divide_by = State.regs[ OP[0] ];
divide_this = EXTEND16 (State.regs[ OP[1] ]);
if (divide_by == 0 || (divide_by == -1 && divide_this == (1 << 31)))
{
overflow = true;
divide_by = 1;
}
State.regs[ OP[1] ] = quotient = divide_this / divide_by;
State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient < 0) PSW |= PSW_S;
trace_output (OP_REG_REG_REG);
}
/* start-sanitize-v850eq */
/* divhn imm5, reg1, reg2, reg3 */
else
{
unsigned int imm5;
trace_input ("divhn", OP_IMM_REG_REG_REG, 0);
imm5 = 32 - ((OP[3] & 0x3c0000) >> 17);
divide_by = EXTEND16 (State.regs[ OP[0] ]);
divide_this = State.regs[ OP[1] ];
divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow);
State.regs[ OP[1] ] = quotient;
State.regs[ OP[2] >> 11 ] = remainder;
/* Set condition codes. */
PSW &= ~(PSW_Z | PSW_S | PSW_OV);
if (overflow) PSW |= PSW_OV;
if (quotient == 0) PSW |= PSW_Z;
if (quotient < 0) PSW |= PSW_S;
trace_output (OP_IMM_REG_REG_REG);
}
/* end-sanitize-v850eq */
return 4;
}
/* mulu imm9, reg2, reg3 */
int
OP_24207E0 (void)
{
trace_input ("mulu", OP_IMM_REG_REG, 0);
Multiply64 (false, (OP[3] & 0x1f) | ((OP[3] >> 13) & 0x1e0));
trace_output (OP_IMM_REG_REG);
return 4;
}
/* mul imm9, reg2, reg3 */
int
OP_24007E0 (void)
{
trace_input ("mul", OP_IMM_REG_REG, 0);
Multiply64 (true, (OP[3] & 0x1f) | ((OP[3] >> 13) & 0x1e0));
trace_output (OP_IMM_REG_REG);
return 4;
}
/* cmov imm5, reg2, reg3 */
int
OP_30007E0 (void)
{
trace_input ("cmov", OP_IMM_REG_REG, 0);
State.regs[ OP[2] >> 11 ] = condition_met (OP[0]) ? SEXT5( OP[0] ) : State.regs[ OP[1] ];
trace_output (OP_IMM_REG_REG);
return 4;
}
/* ctret */
int
OP_14407E0 (void)
{
trace_input ("ctret", OP_NONE, 0);
PC = CTPC;
PSW = CTPSW;
trace_output (OP_NONE);
return 0;
}
/* hsw */
int
OP_34407E0 (void)
{
unsigned long value;
trace_input ("hsw", OP_REG_REG3, 0);
value = State.regs[ OP[ 1 ] ];
value >>= 16;
value |= (State.regs[ OP[ 1 ] ] << 16);
State.regs[ OP[2] >> 11 ] = value;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
if (value == 0) PSW |= PSW_Z;
if (value & 0x80000000) PSW |= PSW_S;
if (((value & 0xffff) == 0) || (value & 0xffff0000) == 0) PSW |= PSW_CY;
trace_output (OP_REG_REG3);
return 4;
}
#define WORDHASNULLBYTE(x) (((x) - 0x01010101) & ~(x)&0x80808080)
/* bsw */
int
OP_34007E0 (void)
{
unsigned long value;
trace_input ("bsw", OP_REG_REG3, 0);
value = State.regs[ OP[ 1 ] ];
value >>= 24;
value |= (State.regs[ OP[ 1 ] ] << 24);
value |= ((State.regs[ OP[ 1 ] ] << 8) & 0x00ff0000);
value |= ((State.regs[ OP[ 1 ] ] >> 8) & 0x0000ff00);
State.regs[ OP[2] >> 11 ] = value;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
if (value == 0) PSW |= PSW_Z;
if (value & 0x80000000) PSW |= PSW_S;
if (WORDHASNULLBYTE (value)) PSW |= PSW_CY;
trace_output (OP_REG_REG3);
return 4;
}
/* bsh */
int
OP_34207E0 (void)
{
unsigned long value;
trace_input ("bsh", OP_REG_REG3, 0);
value = State.regs[ OP[ 1 ] ];
value >>= 8;
value |= ((State.regs[ OP[ 1 ] ] << 8) & 0xff00ff00);
value |= ((State.regs[ OP[ 1 ] ] >> 8) & 0x000000ff);
State.regs[ OP[2] >> 11 ] = value;
PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
if (value == 0) PSW |= PSW_Z;
if (value & 0x80000000) PSW |= PSW_S;
if (((value & 0xff) == 0) || (value & 0x00ff) == 0) PSW |= PSW_CY;
trace_output (OP_REG_REG3);
return 4;
}
/* pushml list18 */
/* ld.hu */
int
OP_107E0 (void)
{
if (OP[ 1 ] == 0)
{
int i;
trace_input ("pushml", OP_PUSHPOP3, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 15; i++)
if ((OP[3] & (1 << type3_regs[ i ])))
{
SP -= 4;
store_mem (SP & ~ 3, 4, State.regs[ i + 1 ]);
}
if (OP[3] & (1 << 3))
{
SP -= 4;
store_mem (SP & ~ 3, 4, PSW);
}
if (OP[3] & (1 << 19))
{
SP -= 8;
if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0))
{
store_mem ((SP + 4) & ~ 3, 4, FEPC);
store_mem ( SP & ~ 3, 4, FEPSW);
}
else
{
store_mem ((SP + 4) & ~ 3, 4, EIPC);
store_mem ( SP & ~ 3, 4, EIPSW);
}
}
trace_output (OP_PUSHPOP2);
}
else
{
int adr;
trace_input ("ld.hu", OP_LOAD32, 2);
adr = State.regs[ OP[0] ] + EXTEND16 (OP[2] & ~1);
adr &= ~0x1;
State.regs[ OP[1] ] = load_mem (adr, 2);
trace_output (OP_LOAD32);
}
return 4;
}
/* prepare list12, imm5 */
/* ld.bu */
int
OP_10780 (void)
{
if (OP[ 1 ] == 0)
{
int i;
trace_input ("prepare", OP_PUSHPOP1, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 12; i++)
if ((OP[3] & (1 << type1_regs[ i ])))
{
SP -= 4;
store_mem (SP, 4, State.regs[ 20 + i ]);
}
SP -= (OP[3] & 0x3e) << 1;
trace_output (OP_PUSHPOP1);
}
else
{
int adr;
trace_input ("ld.bu", OP_LOAD32, 1);
adr = (State.regs[ OP[0] ]
+ (EXTEND16 (OP[2] & ~1) | ((OP[3] >> 5) & 1)));
State.regs[ OP[1] ] = load_mem (adr, 1);
trace_output (OP_LOAD32);
}
return 4;
}
/* prepare list12, imm5, imm32 */
int
OP_1B0780 (void)
{
int i;
trace_input ("prepare", OP_PUSHPOP1, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 12; i++)
if ((OP[3] & (1 << type1_regs[ i ])))
{
SP -= 4;
store_mem (SP, 4, State.regs[ 20 + i ]);
}
SP -= (OP[3] & 0x3e) << 1;
EP = load_mem (PC + 4, 4);
trace_output (OP_PUSHPOP1);
return 8;
}
/* prepare list12, imm5, imm16-32 */
int
OP_130780 (void)
{
int i;
trace_input ("prepare", OP_PUSHPOP1, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 12; i++)
if ((OP[3] & (1 << type1_regs[ i ])))
{
SP -= 4;
store_mem (SP, 4, State.regs[ 20 + i ]);
}
SP -= (OP[3] & 0x3e) << 1;
EP = load_mem (PC + 4, 2) << 16;
trace_output (OP_PUSHPOP1);
return 6;
}
/* prepare list12, imm5, imm16 */
int
OP_B0780 (void)
{
int i;
trace_input ("prepare", OP_PUSHPOP1, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 12; i++)
if ((OP[3] & (1 << type1_regs[ i ])))
{
SP -= 4;
store_mem (SP, 4, State.regs[ 20 + i ]);
}
SP -= (OP[3] & 0x3e) << 1;
EP = EXTEND16 (load_mem (PC + 4, 2));
trace_output (OP_PUSHPOP1);
return 6;
}
/* prepare list12, imm5, sp */
int
OP_30780 (void)
{
int i;
trace_input ("prepare", OP_PUSHPOP1, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 12; i++)
if ((OP[3] & (1 << type1_regs[ i ])))
{
SP -= 4;
store_mem (SP, 4, State.regs[ 20 + i ]);
}
SP -= (OP[3] & 0x3e) << 1;
EP = SP;
trace_output (OP_PUSHPOP1);
return 4;
}
/* sld.hu */
int
OP_70 (void)
{
unsigned long result;
result = load_mem (State.regs[30] + ((OP[3] & 0xf) << 1), 2);
/* start-sanitize-v850eq */
#ifdef ARCH_v850eq
trace_input ("sld.h", OP_LOAD16, 2);
State.regs[ OP[1] ] = EXTEND16 (result);
#else
/* end-sanitize-v850eq */
trace_input ("sld.hu", OP_LOAD16, 2);
State.regs[ OP[1] ] = result;
/* start-sanitize-v850eq */
#endif
/* end-sanitize-v850eq */
trace_output (OP_LOAD16);
return 2;
}
/* cmov reg1, reg2, reg3 */
int
OP_32007E0 (void)
{
trace_input ("cmov", OP_REG_REG_REG, 0);
State.regs[ OP[2] >> 11 ] = condition_met (OP[0]) ? State.regs[ OP[0] ] : State.regs[ OP[1] ];
trace_output (OP_REG_REG_REG);
return 4;
}
/* mul reg1, reg2, reg3 */
int
OP_22007E0 (void)
{
trace_input ("mul", OP_REG_REG_REG, 0);
Multiply64 (true, State.regs[ OP[0] ]);
trace_output (OP_REG_REG_REG);
return 4;
}
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
/* popmh list18 */
int
OP_307F0 (void)
{
int i;
trace_input ("popmh", OP_PUSHPOP2, 0);
if (OP[3] & (1 << 19))
{
if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0))
{
FEPSW = load_mem ( SP & ~ 3, 4);
FEPC = load_mem ((SP + 4) & ~ 3, 4);
}
else
{
EIPSW = load_mem ( SP & ~ 3, 4);
EIPC = load_mem ((SP + 4) & ~ 3, 4);
}
SP += 8;
}
/* Load the registers with lower number registers being retrieved from higher addresses. */
for (i = 16; i--;)
if ((OP[3] & (1 << type2_regs[ i ])))
{
State.regs[ i + 16 ] = load_mem (SP & ~ 3, 4);
SP += 4;
}
trace_output (OP_PUSHPOP2);
return 4;
}
/* popml lsit18 */
int
OP_107F0 (void)
{
int i;
trace_input ("popml", OP_PUSHPOP3, 0);
if (OP[3] & (1 << 19))
{
if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0))
{
FEPSW = load_mem ( SP & ~ 3, 4);
FEPC = load_mem ((SP + 4) & ~ 3, 4);
}
else
{
EIPSW = load_mem ( SP & ~ 3, 4);
EIPC = load_mem ((SP + 4) & ~ 3, 4);
}
SP += 8;
}
if (OP[3] & (1 << 3))
{
PSW = load_mem (SP & ~ 3, 4);
SP += 4;
}
/* Load the registers with lower number registers being retrieved from higher addresses. */
for (i = 15; i--;)
if ((OP[3] & (1 << type3_regs[ i ])))
{
State.regs[ i + 1 ] = load_mem (SP & ~ 3, 4);
SP += 4;
}
trace_output (OP_PUSHPOP2);
return 4;
}
/* pushmh list18 */
int
OP_307E0 (void)
{
int i;
trace_input ("pushmh", OP_PUSHPOP2, 0);
/* Store the registers with lower number registers being placed at higher addresses. */
for (i = 0; i < 16; i++)
if ((OP[3] & (1 << type2_regs[ i ])))
{
SP -= 4;
store_mem (SP & ~ 3, 4, State.regs[ i + 16 ]);
}
if (OP[3] & (1 << 19))
{
SP -= 8;
if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0))
{
store_mem ((SP + 4) & ~ 3, 4, FEPC);
store_mem ( SP & ~ 3, 4, FEPSW);
}
else
{
store_mem ((SP + 4) & ~ 3, 4, EIPC);
store_mem ( SP & ~ 3, 4, EIPSW);
}
}
trace_output (OP_PUSHPOP2);
return 4;
}
/* end-sanitize-v850eq */
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