#endif
-unsigned32 trace_values[3];
-int trace_num_values;
-unsigned32 trace_pc;
-const char *trace_name;
-int trace_module;
+unsigned32 trace_values[3];
+int trace_num_values;
+unsigned32 trace_pc;
+const char * trace_name;
+int trace_module;
void
-trace_input (name, type, size)
- char *name;
- enum op_types type;
- int size;
+trace_input (char *name, enum op_types type, int size)
{
-
if (!TRACE_ALU_P (STATE_CPU (simulator, 0)))
return;
/* append any result to the end of the buffer */
if (has_result)
- sprintf (chp, " :: 0x%.8lx", (unsigned long)result);
+ sprintf (chp, " :: 0x%.8lx", (unsigned long) result);
- trace_generic (simulator, STATE_CPU (simulator, 0), trace_module, buf);
+ trace_generic (simulator, STATE_CPU (simulator, 0), trace_module, "%s", buf);
}
void
-trace_output (result)
- enum op_types result;
+trace_output (enum op_types result)
{
if (!TRACE_ALU_P (STATE_CPU (simulator, 0)))
return;
return 1;
}
-static unsigned long
+unsigned long
Add32 (unsigned long a1, unsigned long a2, int * carry)
{
unsigned long result = (a1 + a2);
}
\f
-/* Read a null terminated string from memory, return in a buffer */
+/* Read a null terminated string from memory, return in a buffer. */
+
static char *
-fetch_str (sd, addr)
- SIM_DESC sd;
- address_word addr;
+fetch_str (SIM_DESC sd, address_word addr)
{
char *buf;
int nr = 0;
+
while (sim_core_read_1 (STATE_CPU (sd, 0),
PC, read_map, addr + nr) != 0)
nr++;
+
buf = NZALLOC (char, nr + 1);
- sim_read (simulator, addr, buf, nr);
+ sim_read (simulator, addr, (unsigned char *) buf, nr);
+
return buf;
}
/* Read a null terminated argument vector from memory, return in a
- buffer */
+ buffer. */
+
static char **
-fetch_argv (sd, addr)
- SIM_DESC sd;
- address_word addr;
+fetch_argv (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),
\f
/* sst.b */
int
-OP_380 ()
+OP_380 (void)
{
trace_input ("sst.b", OP_STORE16, 1);
/* sst.h */
int
-OP_480 ()
+OP_480 (void)
{
trace_input ("sst.h", OP_STORE16, 2);
/* sst.w */
int
-OP_501 ()
+OP_501 (void)
{
trace_input ("sst.w", OP_STORE16, 4);
/* ld.b */
int
-OP_700 ()
+OP_700 (void)
{
int adr;
/* ld.h */
int
-OP_720 ()
+OP_720 (void)
{
int adr;
/* ld.w */
int
-OP_10720 ()
+OP_10720 (void)
{
int adr;
/* st.b */
int
-OP_740 ()
+OP_740 (void)
{
trace_input ("st.b", OP_STORE32, 1);
/* st.h */
int
-OP_760 ()
+OP_760 (void)
{
int adr;
/* st.w */
int
-OP_10760 ()
+OP_10760 (void)
{
int adr;
/* add reg, reg */
int
-OP_1C0 ()
+OP_1C0 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
/* add sign_extend(imm5), reg */
int
-OP_240 ()
+OP_240 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
int temp;
/* addi sign_extend(imm16), reg, reg */
int
-OP_600 ()
+OP_600 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
/* sub reg1, reg2 */
int
-OP_1A0 ()
+OP_1A0 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
/* subr reg1, reg2 */
int
-OP_180 ()
+OP_180 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
/* sxh reg1 */
int
-OP_E0 ()
+OP_E0 (void)
{
trace_input ("mulh", OP_REG_REG, 0);
/* mulh sign_extend(imm5), reg2 */
int
-OP_2E0 ()
+OP_2E0 (void)
{
trace_input ("mulh", OP_IMM_REG, 0);
/* mulhi imm16, reg1, reg2 */
int
-OP_6E0 ()
+OP_6E0 (void)
{
trace_input ("mulhi", OP_IMM16_REG_REG, 0);
/* cmp reg, reg */
int
-OP_1E0 ()
+OP_1E0 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
/* cmp sign_extend(imm5), reg */
int
-OP_260 ()
+OP_260 (void)
{
unsigned int op0, op1, result, z, s, cy, ov;
int temp;
/* setf cccc,reg2 */
int
-OP_7E0 ()
+OP_7E0 (void)
{
trace_input ("setf", OP_EX1, 0);
/* satadd reg,reg */
int
-OP_C0 ()
+OP_C0 (void)
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
/* satadd sign_extend(imm5), reg */
int
-OP_220 ()
+OP_220 (void)
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
/* satsub reg1, reg2 */
int
-OP_A0 ()
+OP_A0 (void)
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
/* satsubi sign_extend(imm16), reg */
int
-OP_660 ()
+OP_660 (void)
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
int temp;
/* satsubr reg,reg */
int
-OP_80 ()
+OP_80 (void)
{
unsigned int op0, op1, result, z, s, cy, ov, sat;
/* tst reg,reg */
int
-OP_160 ()
+OP_160 (void)
{
unsigned int op0, op1, result, z, s;
/* mov sign_extend(imm5), reg */
int
-OP_200 ()
+OP_200 (void)
{
int value = SEXT5 (OP[0]);
/* movhi imm16, reg, reg */
int
-OP_640 ()
+OP_640 (void)
{
trace_input ("movhi", OP_UIMM16_REG_REG, 16);
/* sar zero_extend(imm5),reg1 */
int
-OP_2A0 ()
+OP_2A0 (void)
{
unsigned int op0, op1, result, z, s, cy;
/* sar reg1, reg2 */
int
-OP_A007E0 ()
+OP_A007E0 (void)
{
unsigned int op0, op1, result, z, s, cy;
/* shl zero_extend(imm5),reg1 */
int
-OP_2C0 ()
+OP_2C0 (void)
{
unsigned int op0, op1, result, z, s, cy;
/* shl reg1, reg2 */
int
-OP_C007E0 ()
+OP_C007E0 (void)
{
unsigned int op0, op1, result, z, s, cy;
/* shr zero_extend(imm5),reg1 */
int
-OP_280 ()
+OP_280 (void)
{
unsigned int op0, op1, result, z, s, cy;
/* shr reg1, reg2 */
int
-OP_8007E0 ()
+OP_8007E0 (void)
{
unsigned int op0, op1, result, z, s, cy;
/* or reg, reg */
int
-OP_100 ()
+OP_100 (void)
{
unsigned int op0, op1, result, z, s;
/* ori zero_extend(imm16), reg, reg */
int
-OP_680 ()
+OP_680 (void)
{
unsigned int op0, op1, result, z, s;
/* and reg, reg */
int
-OP_140 ()
+OP_140 (void)
{
unsigned int op0, op1, result, z, s;
/* andi zero_extend(imm16), reg, reg */
int
-OP_6C0 ()
+OP_6C0 (void)
{
unsigned int result, z;
/* xor reg, reg */
int
-OP_120 ()
+OP_120 (void)
{
unsigned int op0, op1, result, z, s;
/* xori zero_extend(imm16), reg, reg */
int
-OP_6A0 ()
+OP_6A0 (void)
{
unsigned int op0, op1, result, z, s;
/* not reg1, reg2 */
int
-OP_20 ()
+OP_20 (void)
{
unsigned int op0, result, z, s;
/* set1 */
int
-OP_7C0 ()
+OP_7C0 (void)
{
unsigned int op0, op1, op2;
int temp;
/* not1 */
int
-OP_47C0 ()
+OP_47C0 (void)
{
unsigned int op0, op1, op2;
int temp;
/* clr1 */
int
-OP_87C0 ()
+OP_87C0 (void)
{
unsigned int op0, op1, op2;
int temp;
/* tst1 */
int
-OP_C7C0 ()
+OP_C7C0 (void)
{
unsigned int op0, op1, op2;
int temp;
/* di */
int
-OP_16007E0 ()
+OP_16007E0 (void)
{
trace_input ("di", OP_NONE, 0);
PSW |= PSW_ID;
/* ei */
int
-OP_16087E0 ()
+OP_16087E0 (void)
{
trace_input ("ei", OP_NONE, 0);
PSW &= ~PSW_ID;
/* halt */
int
-OP_12007E0 ()
+OP_12007E0 (void)
{
trace_input ("halt", OP_NONE, 0);
/* FIXME this should put processor into a mode where NMI still handled */
/* trap */
int
-OP_10007E0 ()
+OP_10007E0 (void)
{
trace_input ("trap", OP_TRAP, 0);
trace_output (OP_TRAP);
#define MEMPTR(x) (map (x))
+ RETERR = 0;
+
switch (FUNC)
{
#ifdef TARGET_SYS_fork
case TARGET_SYS_fork:
RETVAL = fork ();
+ RETERR = errno;
break;
#endif
#endif
free (path);
freeargv (argv);
freeargv (envp);
+ RETERR = errno;
break;
}
#endif
RETVAL = execv (path, argv);
free (path);
freeargv (argv);
+ RETERR = errno;
break;
}
#endif
buf = PARM1;
RETVAL = pipe (host_fd);
SW (buf, host_fd[0]);
- buf += sizeof(uint16);
+ buf += sizeof (uint16);
SW (buf, host_fd[1]);
+ RETERR = errno;
}
break;
#endif
RETVAL = wait (&status);
SW (PARM1, status);
+ RETERR = errno;
}
break;
#endif
{
char *buf = zalloc (PARM3);
RETVAL = sim_io_read (simulator, PARM1, buf, PARM3);
- sim_write (simulator, PARM2, buf, PARM3);
+ sim_write (simulator, PARM2, (unsigned char *) buf, PARM3);
free (buf);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
break;
}
#endif
case TARGET_SYS_write:
{
char *buf = zalloc (PARM3);
- sim_read (simulator, PARM2, buf, PARM3);
+ sim_read (simulator, PARM2, (unsigned char *) buf, PARM3);
if (PARM1 == 1)
RETVAL = sim_io_write_stdout (simulator, buf, PARM3);
else
RETVAL = sim_io_write (simulator, PARM1, buf, PARM3);
free (buf);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
break;
}
#endif
#ifdef TARGET_SYS_lseek
case TARGET_SYS_lseek:
RETVAL = sim_io_lseek (simulator, PARM1, PARM2, PARM3);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
break;
#endif
#ifdef TARGET_SYS_close
case TARGET_SYS_close:
RETVAL = sim_io_close (simulator, PARM1);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
break;
#endif
char *buf = fetch_str (simulator, PARM1);
RETVAL = sim_io_open (simulator, buf, PARM2);
free (buf);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
break;
}
#endif
break;
#endif
-#if !defined(__GO32__) && !defined(_WIN32)
#ifdef TARGET_SYS_stat
case TARGET_SYS_stat: /* added at hmsi */
/* stat system call */
reg_t buf;
char *path = fetch_str (simulator, PARM1);
- RETVAL = stat (path, &host_stat);
+ RETVAL = sim_io_stat (simulator, path, &host_stat);
free (path);
buf = PARM2;
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);
+
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
}
break;
#endif
+
+#ifdef TARGET_SYS_fstat
+ case TARGET_SYS_fstat:
+ /* fstat system call */
+ {
+ struct stat host_stat;
+ reg_t buf;
+
+ RETVAL = sim_io_fstat (simulator, PARM1, &host_stat);
+
+ 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);
+
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
+ }
+ break;
+#endif
+
+#ifdef TARGET_SYS_rename
+ case TARGET_SYS_rename:
+ {
+ char *oldpath = fetch_str (simulator, PARM1);
+ char *newpath = fetch_str (simulator, PARM2);
+ RETVAL = sim_io_rename (simulator, oldpath, newpath);
+ free (oldpath);
+ free (newpath);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
+ }
+ break;
+#endif
+
+#ifdef TARGET_SYS_unlink
+ case TARGET_SYS_unlink:
+ {
+ char *path = fetch_str (simulator, PARM1);
+ RETVAL = sim_io_unlink (simulator, path);
+ free (path);
+ if ((int) RETVAL < 0)
+ RETERR = sim_io_get_errno (simulator);
+ }
+ break;
#endif
#ifdef HAVE_CHOWN
char *path = fetch_str (simulator, PARM1);
RETVAL = chown (path, PARM2, PARM3);
free (path);
+ RETERR = errno;
}
break;
#endif
char *path = fetch_str (simulator, PARM1);
RETVAL = chmod (path, PARM2);
free (path);
+ RETERR = errno;
}
break;
#endif
time_t now;
RETVAL = time (&now);
store_mem (PARM1, 4, now);
+ RETERR = errno;
}
break;
#endif
store_mem (PARM1 + 4, 4, tms.tms_stime);
store_mem (PARM1 + 8, 4, tms.tms_cutime);
store_mem (PARM1 + 12, 4, tms.tms_cstime);
+ reterr = errno;
break;
}
#endif
store_mem (PARM1 + 4, 4, t.tv_usec);
store_mem (PARM2, 4, tz.tz_minuteswest);
store_mem (PARM2 + 4, 4, tz.tz_dsttime);
+ RETERR = errno;
break;
}
#endif
default:
abort ();
}
- RETERR = errno;
errno = save_errno;
return 4;
return 4;
}
+/* V850E2R FPU functions */
+/*
+ sim_fpu_status_invalid_snan = 1, -V--- (sim spec.)
+ sim_fpu_status_invalid_qnan = 2, ----- (sim spec.)
+ sim_fpu_status_invalid_isi = 4, (inf - inf) -V---
+ sim_fpu_status_invalid_idi = 8, (inf / inf) -V---
+ sim_fpu_status_invalid_zdz = 16, (0 / 0) -V---
+ sim_fpu_status_invalid_imz = 32, (inf * 0) -V---
+ sim_fpu_status_invalid_cvi = 64, convert to integer -V---
+ sim_fpu_status_invalid_div0 = 128, (X / 0) --Z--
+ sim_fpu_status_invalid_cmp = 256, compare ----- (sim spec.)
+ sim_fpu_status_invalid_sqrt = 512, -V---
+ sim_fpu_status_rounded = 1024, I----
+ sim_fpu_status_inexact = 2048, I---- (sim spec.)
+ sim_fpu_status_overflow = 4096, I--O-
+ sim_fpu_status_underflow = 8192, I---U
+ sim_fpu_status_denorm = 16384, ----U (sim spec.)
+*/
+
+void
+update_fpsr (SIM_DESC sd, sim_fpu_status status, unsigned int mask, unsigned int double_op_p)
+{
+ unsigned int fpsr = FPSR & mask;
+
+ unsigned int flags = 0;
+
+ if (fpsr & FPSR_XEI
+ && ((status & (sim_fpu_status_rounded
+ | sim_fpu_status_overflow
+ | sim_fpu_status_inexact))
+ || (status & sim_fpu_status_underflow
+ && (fpsr & (FPSR_XEU | FPSR_XEI)) == 0
+ && fpsr & FPSR_FS)))
+ {
+ flags |= FPSR_XCI | FPSR_XPI;
+ }
+
+ if (fpsr & FPSR_XEV
+ && (status & (sim_fpu_status_invalid_isi
+ | sim_fpu_status_invalid_imz
+ | sim_fpu_status_invalid_zdz
+ | sim_fpu_status_invalid_idi
+ | sim_fpu_status_invalid_cvi
+ | sim_fpu_status_invalid_sqrt
+ | sim_fpu_status_invalid_snan)))
+ {
+ flags |= FPSR_XCV | FPSR_XPV;
+ }
+
+ if (fpsr & FPSR_XEZ
+ && (status & sim_fpu_status_invalid_div0))
+ {
+ flags |= FPSR_XCV | FPSR_XPV;
+ }
+
+ if (fpsr & FPSR_XEO
+ && (status & sim_fpu_status_overflow))
+ {
+ flags |= FPSR_XCO | FPSR_XPO;
+ }
+
+ if (((fpsr & FPSR_XEU) || (fpsr & FPSR_FS) == 0)
+ && (status & (sim_fpu_status_underflow
+ | sim_fpu_status_denorm)))
+ {
+ flags |= FPSR_XCU | FPSR_XPU;
+ }
+
+ if (flags)
+ {
+ FPSR &= ~FPSR_XC;
+ FPSR |= flags;
+
+ SignalExceptionFPE (sd, double_op_p);
+ }
+}
+
+/* Exception. */
+
+void
+SignalException (SIM_DESC sd)
+{
+ if (MPM & MPM_AUE)
+ {
+ PSW = PSW & ~(PSW_NPV | PSW_DMP | PSW_IMP);
+ }
+}
+
+void
+SignalExceptionFPE (SIM_DESC sd, unsigned int double_op_p)
+{
+ if (((PSW & (PSW_NP|PSW_ID)) == 0)
+ || !(FPSR & (double_op_p ? FPSR_DEM : FPSR_SEM)))
+ {
+ EIPC = PC;
+ EIPSW = PSW;
+ EIIC = (FPSR & (double_op_p ? FPSR_DEM : FPSR_SEM))
+ ? 0x71 : 0x72;
+ PSW |= (PSW_EP | PSW_ID);
+ PC = 0x70;
+
+ SignalException (sd);
+ }
+}
+
+void
+check_invalid_snan (SIM_DESC sd, sim_fpu_status status, unsigned int double_op_p)
+{
+ if ((FPSR & FPSR_XEI)
+ && (status & sim_fpu_status_invalid_snan))
+ {
+ FPSR &= ~FPSR_XC;
+ FPSR |= FPSR_XCV;
+ FPSR |= FPSR_XPV;
+ SignalExceptionFPE (sd, double_op_p);
+ }
+}
+
+int
+v850_float_compare (SIM_DESC sd, int cmp, sim_fpu wop1, sim_fpu wop2, int double_op_p)
+{
+ int result = -1;
+
+ if (sim_fpu_is_nan (&wop1) || sim_fpu_is_nan (&wop2))
+ {
+ if (cmp & 0x8)
+ {
+ if (FPSR & FPSR_XEV)
+ {
+ FPSR |= FPSR_XCV | FPSR_XPV;
+ SignalExceptionFPE (sd, double_op_p);
+ }
+ }
+
+ switch (cmp)
+ {
+ case FPU_CMP_F:
+ result = 0;
+ break;
+ case FPU_CMP_UN:
+ result = 1;
+ break;
+ case FPU_CMP_EQ:
+ result = 0;
+ break;
+ case FPU_CMP_UEQ:
+ result = 1;
+ break;
+ case FPU_CMP_OLT:
+ result = 0;
+ break;
+ case FPU_CMP_ULT:
+ result = 1;
+ break;
+ case FPU_CMP_OLE:
+ result = 0;
+ break;
+ case FPU_CMP_ULE:
+ result = 1;
+ break;
+ case FPU_CMP_SF:
+ result = 0;
+ break;
+ case FPU_CMP_NGLE:
+ result = 1;
+ break;
+ case FPU_CMP_SEQ:
+ result = 0;
+ break;
+ case FPU_CMP_NGL:
+ result = 1;
+ break;
+ case FPU_CMP_LT:
+ result = 0;
+ break;
+ case FPU_CMP_NGE:
+ result = 1;
+ break;
+ case FPU_CMP_LE:
+ result = 0;
+ break;
+ case FPU_CMP_NGT:
+ result = 1;
+ break;
+ default:
+ abort ();
+ }
+ }
+ else if (sim_fpu_is_infinity (&wop1) && sim_fpu_is_infinity (&wop2)
+ && sim_fpu_sign (&wop1) == sim_fpu_sign (&wop2))
+ {
+ switch (cmp)
+ {
+ case FPU_CMP_F:
+ result = 0;
+ break;
+ case FPU_CMP_UN:
+ result = 0;
+ break;
+ case FPU_CMP_EQ:
+ result = 1;
+ break;
+ case FPU_CMP_UEQ:
+ result = 1;
+ break;
+ case FPU_CMP_OLT:
+ result = 0;
+ break;
+ case FPU_CMP_ULT:
+ result = 0;
+ break;
+ case FPU_CMP_OLE:
+ result = 1;
+ break;
+ case FPU_CMP_ULE:
+ result = 1;
+ break;
+ case FPU_CMP_SF:
+ result = 0;
+ break;
+ case FPU_CMP_NGLE:
+ result = 0;
+ break;
+ case FPU_CMP_SEQ:
+ result = 1;
+ break;
+ case FPU_CMP_NGL:
+ result = 1;
+ break;
+ case FPU_CMP_LT:
+ result = 0;
+ break;
+ case FPU_CMP_NGE:
+ result = 0;
+ break;
+ case FPU_CMP_LE:
+ result = 1;
+ break;
+ case FPU_CMP_NGT:
+ result = 1;
+ break;
+ default:
+ abort ();
+ }
+ }
+ else
+ {
+ int gt = 0,lt = 0,eq = 0, status;
+
+ status = sim_fpu_cmp (&wop1, &wop2);
+
+ switch (status)
+ {
+ case SIM_FPU_IS_SNAN:
+ case SIM_FPU_IS_QNAN:
+ abort ();
+ break;
+
+ case SIM_FPU_IS_NINF:
+ lt = 1;
+ break;
+ case SIM_FPU_IS_PINF:
+ gt = 1;
+ break;
+ case SIM_FPU_IS_NNUMBER:
+ lt = 1;
+ break;
+ case SIM_FPU_IS_PNUMBER:
+ gt = 1;
+ break;
+ case SIM_FPU_IS_NDENORM:
+ lt = 1;
+ break;
+ case SIM_FPU_IS_PDENORM:
+ gt = 1;
+ break;
+ case SIM_FPU_IS_NZERO:
+ case SIM_FPU_IS_PZERO:
+ eq = 1;
+ break;
+ }
+
+ switch (cmp)
+ {
+ case FPU_CMP_F:
+ result = 0;
+ break;
+ case FPU_CMP_UN:
+ result = 0;
+ break;
+ case FPU_CMP_EQ:
+ result = eq;
+ break;
+ case FPU_CMP_UEQ:
+ result = eq;
+ break;
+ case FPU_CMP_OLT:
+ result = lt;
+ break;
+ case FPU_CMP_ULT:
+ result = lt;
+ break;
+ case FPU_CMP_OLE:
+ result = lt || eq;
+ break;
+ case FPU_CMP_ULE:
+ result = lt || eq;
+ break;
+ case FPU_CMP_SF:
+ result = 0;
+ break;
+ case FPU_CMP_NGLE:
+ result = 0;
+ break;
+ case FPU_CMP_SEQ:
+ result = eq;
+ break;
+ case FPU_CMP_NGL:
+ result = eq;
+ break;
+ case FPU_CMP_LT:
+ result = lt;
+ break;
+ case FPU_CMP_NGE:
+ result = lt;
+ break;
+ case FPU_CMP_LE:
+ result = lt || eq;
+ break;
+ case FPU_CMP_NGT:
+ result = lt || eq;
+ break;
+ }
+ }
+
+ ASSERT (result != -1);
+ return result;
+}
+
+void
+v850_div (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p, unsigned int *op3p)
+{
+ signed long int quotient;
+ signed long int remainder;
+ signed long int divide_by;
+ signed long int divide_this;
+ bfd_boolean overflow = FALSE;
+
+ /* Compute the result. */
+ divide_by = op0;
+ divide_this = op1;
+
+ if (divide_by == 0 || (divide_by == -1 && divide_this == (1 << 31)))
+ {
+ overflow = TRUE;
+ divide_by = 1;
+ }
+
+ quotient = divide_this / divide_by;
+ 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;
+
+ *op2p = quotient;
+ *op3p = remainder;
+}
+
+void
+v850_divu (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p, unsigned int *op3p)
+{
+ unsigned long int quotient;
+ unsigned long int remainder;
+ unsigned long int divide_by;
+ unsigned long int divide_this;
+ bfd_boolean overflow = FALSE;
+
+ /* Compute the result. */
+
+ divide_by = op0;
+ divide_this = op1;
+
+ if (divide_by == 0)
+ {
+ overflow = TRUE;
+ divide_by = 1;
+ }
+
+ quotient = divide_this / divide_by;
+ 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;
+
+ *op2p = quotient;
+ *op3p = remainder;
+}
+
+void
+v850_sar (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p)
+{
+ unsigned int result, z, s, cy;
+
+ op0 &= 0x1f;
+ 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. */
+ PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+
+ *op2p = result;
+}
+
+void
+v850_shl (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p)
+{
+ unsigned int result, z, s, cy;
+
+ op0 &= 0x1f;
+ result = op1 << op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (32 - op0)));
+
+ /* Store the result and condition codes. */
+ PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+
+ *op2p = result;
+}
+
+void
+v850_rotl (SIM_DESC sd, unsigned int amount, unsigned int src, unsigned int * dest)
+{
+ unsigned int result, z, s, cy;
+
+ amount &= 0x1f;
+ result = src << amount;
+ result |= src >> (32 - amount);
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = ! (result & 1);
+
+ /* Store the result and condition codes. */
+ PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+
+ * dest = result;
+}
+
+void
+v850_bins (SIM_DESC sd, unsigned int source, unsigned int lsb, unsigned int msb,
+ unsigned int * dest)
+{
+ unsigned int mask;
+ unsigned int result, pos, width;
+ unsigned int z, s;
+
+ pos = lsb;
+ width = (msb - lsb) + 1;
+
+ mask = ~ (-(1 << width));
+ source &= mask;
+ mask <<= pos;
+ result = (* dest) & ~ mask;
+ result |= source << pos;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = result & 0x80000000;
+
+ /* Store the result and condition codes. */
+ PSW &= ~(PSW_Z | PSW_S | PSW_OV );
+ PSW |= (z ? PSW_Z : 0) | (s ? PSW_S : 0);
+
+ * dest = result;
+}
+
+void
+v850_shr (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p)
+{
+ unsigned int result, z, s, cy;
+
+ op0 &= 0x1f;
+ result = op1 >> op0;
+
+ /* Compute the condition codes. */
+ z = (result == 0);
+ s = (result & 0x80000000);
+ cy = (op1 & (1 << (op0 - 1)));
+
+ /* Store the result and condition codes. */
+ PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY);
+ PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)
+ | (cy ? PSW_CY : 0));
+
+ *op2p = result;
+}
+
+void
+v850_satadd (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p)
+{
+ unsigned int result, z, s, cy, ov, sat;
+
+ 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. */
+ 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)
+ {
+ result = 0x7fffffff;
+ PSW &= ~PSW_S;
+ }
+ else if (sat)
+ {
+ result = 0x80000000;
+ PSW |= PSW_S;
+ }
+
+ *op2p = result;
+}
+
+void
+v850_satsub (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p)
+{
+ unsigned int result, z, s, cy, ov, sat;
+
+ /* Compute the result. */
+ 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. */
+ 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)
+ {
+ result = 0x7fffffff;
+ PSW &= ~PSW_S;
+ }
+ else if (sat)
+ {
+ result = 0x80000000;
+ PSW |= PSW_S;
+ }
+
+ *op2p = result;
+}
+
+unsigned32
+load_data_mem (SIM_DESC sd,
+ SIM_ADDR addr,
+ int len)
+{
+ uint32 data;
+
+ switch (len)
+ {
+ case 1:
+ data = sim_core_read_unaligned_1 (STATE_CPU (sd, 0),
+ PC, read_map, addr);
+ break;
+ case 2:
+ data = sim_core_read_unaligned_2 (STATE_CPU (sd, 0),
+ PC, read_map, addr);
+ break;
+ case 4:
+ data = sim_core_read_unaligned_4 (STATE_CPU (sd, 0),
+ PC, read_map, addr);
+ break;
+ default:
+ abort ();
+ }
+ return data;
+}
+
+void
+store_data_mem (SIM_DESC sd,
+ SIM_ADDR addr,
+ int len,
+ unsigned32 data)
+{
+ switch (len)
+ {
+ case 1:
+ store_mem (addr, 1, data);
+ break;
+ case 2:
+ store_mem (addr, 2, data);
+ break;
+ case 4:
+ store_mem (addr, 4, data);
+ break;
+ default:
+ abort ();
+ }
+}
+
+int
+mpu_load_mem_test (SIM_DESC sd, unsigned int addr, int size, int base_reg)
+{
+ int result = 1;
+
+ if (PSW & PSW_DMP)
+ {
+ if (IPE0 && addr >= IPA2ADDR (IPA0L) && addr <= IPA2ADDR (IPA0L) && IPR0)
+ {
+ /* text area */
+ }
+ else if (IPE1 && addr >= IPA2ADDR (IPA1L) && addr <= IPA2ADDR (IPA1L) && IPR1)
+ {
+ /* text area */
+ }
+ else if (IPE2 && addr >= IPA2ADDR (IPA2L) && addr <= IPA2ADDR (IPA2L) && IPR2)
+ {
+ /* text area */
+ }
+ else if (IPE3 && addr >= IPA2ADDR (IPA3L) && addr <= IPA2ADDR (IPA3L) && IPR3)
+ {
+ /* text area */
+ }
+ else if (addr >= PPA2ADDR (PPA & ~PPM) && addr <= DPA2ADDR (PPA | PPM))
+ {
+ /* preifarallel area */
+ }
+ else if (addr >= PPA2ADDR (SPAL) && addr <= DPA2ADDR (SPAU))
+ {
+ /* stack area */
+ }
+ else if (DPE0 && addr >= DPA2ADDR (DPA0L) && addr <= DPA2ADDR (DPA0L) && DPR0
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else if (DPE1 && addr >= DPA2ADDR (DPA1L) && addr <= DPA2ADDR (DPA1L) && DPR1
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else if (DPE2 && addr >= DPA2ADDR (DPA2L) && addr <= DPA2ADDR (DPA2L) && DPR2
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else if (DPE3 && addr >= DPA2ADDR (DPA3L) && addr <= DPA2ADDR (DPA3L) && DPR3
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else
+ {
+ VMECR &= ~(VMECR_VMW | VMECR_VMX);
+ VMECR |= VMECR_VMR;
+ VMADR = addr;
+ VMTID = TID;
+ FEIC = 0x431;
+
+ PC = 0x30;
+
+ SignalException (sd);
+ result = 0;
+ }
+ }
+
+ return result;
+}
+
+int
+mpu_store_mem_test (SIM_DESC sd, unsigned int addr, int size, int base_reg)
+{
+ int result = 1;
+
+ if (PSW & PSW_DMP)
+ {
+ if (addr >= PPA2ADDR (PPA & ~PPM) && addr <= DPA2ADDR (PPA | PPM))
+ {
+ /* preifarallel area */
+ }
+ else if (addr >= PPA2ADDR (SPAL) && addr <= DPA2ADDR (SPAU))
+ {
+ /* stack area */
+ }
+ else if (DPE0 && addr >= DPA2ADDR (DPA0L) && addr <= DPA2ADDR (DPA0L) && DPW0
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else if (DPE1 && addr >= DPA2ADDR (DPA1L) && addr <= DPA2ADDR (DPA1L) && DPW1
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else if (DPE2 && addr >= DPA2ADDR (DPA2L) && addr <= DPA2ADDR (DPA2L) && DPW2
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else if (DPE3 && addr >= DPA2ADDR (DPA3L) && addr <= DPA2ADDR (DPA3L) && DPW3
+ && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1))
+ {
+ /* data area */
+ }
+ else
+ {
+ if (addr >= PPA2ADDR (PPA & ~PPM) && addr <= DPA2ADDR (PPA | PPM))
+ {
+ FEIC = 0x432;
+ VPTID = TID;
+ VPADR = PC;
+#ifdef NOT_YET
+ VIP_PP;
+ VPECR;
+#endif
+ }
+ else
+ {
+ FEIC = 0x431;
+ VMTID = TID;
+ VMADR = VMECR;
+ VMECR &= ~(VMECR_VMW | VMECR_VMX);
+ VMECR |= VMECR_VMR;
+ PC = 0x30;
+ }
+ result = 0;
+ }
+ }
+
+ return result;
+}
+
projects / deliverable / binutils-gdb.git / blobdiff