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