/* simprintf.c -- Simulator printf implementation
|
/* simprintf.c -- Simulator printf implementation
|
|
|
Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
|
Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
|
Copyright (C) 2008 Embecosm Limited
|
Copyright (C) 2008 Embecosm Limited
|
|
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
|
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
|
|
This program is free software; you can redistribute it and/or modify it
|
This program is free software; you can redistribute it and/or modify it
|
under the terms of the GNU General Public License as published by the Free
|
under the terms of the GNU General Public License as published by the Free
|
Software Foundation; either version 3 of the License, or (at your option)
|
Software Foundation; either version 3 of the License, or (at your option)
|
any later version.
|
any later version.
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
more details.
|
more details.
|
|
|
You should have received a copy of the GNU General Public License along
|
You should have received a copy of the GNU General Public License along
|
with this program. If not, see <http://www.gnu.org/licenses/>. */
|
with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
/* This program is commented throughout in a fashion suitable for processing
|
/* This program is commented throughout in a fashion suitable for processing
|
with Doxygen. */
|
with Doxygen. */
|
|
|
/* Debugger LIBC functions. Working, but VERY, VERY ugly written. I wrote
|
/* Debugger LIBC functions. Working, but VERY, VERY ugly written. I wrote
|
following code when basic simulator started to work and I was desperate to
|
following code when basic simulator started to work and I was desperate to
|
use some PRINTFs in my debugged code. And it was also used to get some
|
use some PRINTFs in my debugged code. And it was also used to get some
|
output from Dhrystone MIPS benchmark. */
|
output from Dhrystone MIPS benchmark. */
|
|
|
|
|
/* Autoconf and/or portability configuration */
|
/* Autoconf and/or portability configuration */
|
#include "config.h"
|
#include "config.h"
|
#include "port.h"
|
#include "port.h"
|
|
|
/* System includes */
|
/* System includes */
|
#include <stdlib.h>
|
#include <stdlib.h>
|
|
|
/* Package includes */
|
/* Package includes */
|
#include "sim-config.h"
|
#include "sim-config.h"
|
#include "arch.h"
|
#include "arch.h"
|
#include "debug.h"
|
#include "debug.h"
|
#include "abstract.h"
|
#include "abstract.h"
|
#include "execute.h"
|
#include "execute.h"
|
|
|
|
|
/* Should args be passed on stack for simprintf
|
/* Should args be passed on stack for simprintf
|
*
|
*
|
* FIXME: do not enable this since it causes problems
|
* FIXME: do not enable this since it causes problems
|
* in some cases (an example beeing cbasic test
|
* in some cases (an example beeing cbasic test
|
* from orp testbench). the problems is in
|
* from orp testbench). the problems is in
|
*
|
*
|
* or1k/support/simprintf.c
|
* or1k/support/simprintf.c
|
*
|
*
|
* #if STACK_ARGS
|
* #if STACK_ARGS
|
* arg = eval_mem32(argaddr,&breakpoint);
|
* arg = eval_mem32(argaddr,&breakpoint);
|
* argaddr += 4;
|
* argaddr += 4;
|
* #else
|
* #else
|
* sprintf(regstr, "r%u", ++argaddr);
|
* sprintf(regstr, "r%u", ++argaddr);
|
* arg = evalsim_reg(atoi(regstr));
|
* arg = evalsim_reg(atoi(regstr));
|
* #endif
|
* #endif
|
*
|
*
|
* the access to memory should be without any
|
* the access to memory should be without any
|
* checks (ie not like or32 application accessed it)
|
* checks (ie not like or32 application accessed it)
|
*
|
*
|
*/
|
*/
|
#define STACK_ARGS 0
|
#define STACK_ARGS 0
|
|
|
/* Length of PRINTF format string */
|
/* Length of PRINTF format string */
|
#define FMTLEN 2000
|
#define FMTLEN 2000
|
|
|
char fmtstr[FMTLEN];
|
char fmtstr[FMTLEN];
|
|
|
static char *
|
static char *
|
simgetstr (oraddr_t stackaddr, unsigned long regparam)
|
simgetstr (oraddr_t stackaddr, unsigned long regparam)
|
{
|
{
|
oraddr_t fmtaddr;
|
oraddr_t fmtaddr;
|
int i;
|
int i;
|
|
|
fmtaddr = regparam;
|
fmtaddr = regparam;
|
|
|
i = 0;
|
i = 0;
|
while (eval_direct8 (fmtaddr, 1, 0) != '\0')
|
while (eval_direct8 (fmtaddr, 1, 0) != '\0')
|
{
|
{
|
fmtstr[i++] = eval_direct8 (fmtaddr, 1, 0);
|
fmtstr[i++] = eval_direct8 (fmtaddr, 1, 0);
|
fmtaddr++;
|
fmtaddr++;
|
if (i == FMTLEN - 1)
|
if (i == FMTLEN - 1)
|
break;
|
break;
|
}
|
}
|
fmtstr[i] = '\0';
|
fmtstr[i] = '\0';
|
|
|
return fmtstr;
|
return fmtstr;
|
}
|
}
|
|
|
void
|
void
|
simprintf (oraddr_t stackaddr, unsigned long regparam)
|
simprintf (oraddr_t stackaddr, unsigned long regparam)
|
{
|
{
|
uint32_t arg;
|
uint32_t arg;
|
oraddr_t argaddr;
|
oraddr_t argaddr;
|
char *fmtstrend;
|
char *fmtstrend;
|
char *fmtstrpart = fmtstr;
|
char *fmtstrpart = fmtstr;
|
int tee_exe_log;
|
int tee_exe_log;
|
|
|
simgetstr (stackaddr, regparam);
|
simgetstr (stackaddr, regparam);
|
|
|
#if STACK_ARGS
|
#if STACK_ARGS
|
argaddr = stackaddr;
|
argaddr = stackaddr;
|
#else
|
#else
|
argaddr = 3;
|
argaddr = 3;
|
#endif
|
#endif
|
tee_exe_log = (config.sim.exe_log
|
tee_exe_log = (config.sim.exe_log
|
&& (config.sim.exe_log_type == EXE_LOG_SOFTWARE
|
&& (config.sim.exe_log_type == EXE_LOG_SOFTWARE
|
|| config.sim.exe_log_type == EXE_LOG_SIMPLE)
|
|| config.sim.exe_log_type == EXE_LOG_SIMPLE)
|
&& config.sim.exe_log_start <= runtime.cpu.instructions
|
&& config.sim.exe_log_start <= runtime.cpu.instructions
|
&& (config.sim.exe_log_end <= 0
|
&& (config.sim.exe_log_end <= 0
|
|| runtime.cpu.instructions <= config.sim.exe_log_end));
|
|| runtime.cpu.instructions <= config.sim.exe_log_end));
|
|
|
if (tee_exe_log)
|
if (tee_exe_log)
|
fprintf (runtime.sim.fexe_log, "SIMPRINTF: ");
|
fprintf (runtime.sim.fexe_log, "SIMPRINTF: ");
|
while (strlen (fmtstrpart))
|
while (strlen (fmtstrpart))
|
{
|
{
|
if ((fmtstrend = strstr (fmtstrpart + 1, "%")))
|
if ((fmtstrend = strstr (fmtstrpart + 1, "%")))
|
*fmtstrend = '\0';
|
*fmtstrend = '\0';
|
if (strstr (fmtstrpart, "%"))
|
if (strstr (fmtstrpart, "%"))
|
{
|
{
|
char *tmp;
|
char *tmp;
|
int string = 0;
|
int string = 0;
|
#if STACK_ARGS
|
#if STACK_ARGS
|
arg = eval_direct32 (argaddr, 1, 0);
|
arg = eval_direct32 (argaddr, 1, 0);
|
argaddr += 4;
|
argaddr += 4;
|
#else
|
#else
|
{
|
{
|
/* JPB. I can't see how the original code ever worked. It does trash
|
/* JPB. I can't see how the original code ever worked. It does trash
|
the file pointer by overwriting the end of regstr. In any case
|
the file pointer by overwriting the end of regstr. In any case
|
why create a string, only to turn it back into an integer! */
|
why create a string, only to turn it back into an integer! */
|
|
|
/* orig: char regstr[5]; */
|
/* orig: char regstr[5]; */
|
/* orig: */
|
/* orig: */
|
/* orig: sprintf(regstr, "r%"PRIxADDR, ++argaddr); */
|
/* orig: sprintf(regstr, "r%"PRIxADDR, ++argaddr); */
|
/* orig: arg = evalsim_reg(atoi(regstr)); */
|
/* orig: arg = evalsim_reg(atoi(regstr)); */
|
|
|
arg = evalsim_reg (++argaddr);
|
arg = evalsim_reg (++argaddr);
|
}
|
}
|
#endif
|
#endif
|
tmp = fmtstrpart;
|
tmp = fmtstrpart;
|
if (*tmp == '%')
|
if (*tmp == '%')
|
{
|
{
|
tmp++;
|
tmp++;
|
while (*tmp == '-' || (*tmp >= '0' && *tmp <= '9'))
|
while (*tmp == '-' || (*tmp >= '0' && *tmp <= '9'))
|
tmp++;
|
tmp++;
|
if (*tmp == 's')
|
if (*tmp == 's')
|
string = 1;
|
string = 1;
|
}
|
}
|
if (string)
|
if (string)
|
{
|
{
|
int len = 0;
|
int len = 0;
|
char *str;
|
char *str;
|
for (; eval_direct8 (arg++, 1, 0); len++);
|
for (; eval_direct8 (arg++, 1, 0); len++);
|
len++; /* for null char */
|
len++; /* for null char */
|
arg -= len;
|
arg -= len;
|
str = (char *) malloc (len);
|
str = (char *) malloc (len);
|
len = 0;
|
len = 0;
|
for (; eval_direct8 (arg, 1, 0); len++)
|
for (; eval_direct8 (arg, 1, 0); len++)
|
*(str + len) = eval_direct8 (arg++, 1, 0);
|
*(str + len) = eval_direct8 (arg++, 1, 0);
|
*(str + len) = eval_direct8 (arg, 1, 0); /* null ch */
|
*(str + len) = eval_direct8 (arg, 1, 0); /* null ch */
|
printf (fmtstrpart, str);
|
printf (fmtstrpart, str);
|
if (tee_exe_log)
|
if (tee_exe_log)
|
fprintf (runtime.sim.fexe_log, fmtstrpart, str);
|
fprintf (runtime.sim.fexe_log, fmtstrpart, str);
|
free (str);
|
free (str);
|
}
|
}
|
else
|
else
|
{
|
{
|
printf (fmtstrpart, arg);
|
printf (fmtstrpart, arg);
|
if (tee_exe_log)
|
if (tee_exe_log)
|
fprintf (runtime.sim.fexe_log, fmtstrpart, arg);
|
fprintf (runtime.sim.fexe_log, fmtstrpart, arg);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
printf (fmtstrpart);
|
printf (fmtstrpart);
|
if (tee_exe_log)
|
if (tee_exe_log)
|
fprintf (runtime.sim.fexe_log, fmtstrpart);
|
fprintf (runtime.sim.fexe_log, fmtstrpart);
|
}
|
}
|
if (!fmtstrend)
|
if (!fmtstrend)
|
break;
|
break;
|
fmtstrpart = fmtstrend;
|
fmtstrpart = fmtstrend;
|
*fmtstrpart = '%';
|
*fmtstrpart = '%';
|
}
|
}
|
}
|
}
|
|
|