/* trace.c -- Simulator breakpoints
|
/* trace.c -- Simulator breakpoints
|
Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
|
Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
|
|
|
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
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
|
the Free Software Foundation; either version 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <ctype.h>
|
#include <ctype.h>
|
#include <string.h>
|
#include <string.h>
|
#include <stdlib.h>
|
#include <stdlib.h>
|
#include <signal.h>
|
#include <signal.h>
|
#include <stdarg.h>
|
#include <stdarg.h>
|
|
|
#include "arch.h"
|
#include "arch.h"
|
#include "parse.h"
|
#include "parse.h"
|
#include "abstract.h"
|
#include "abstract.h"
|
#include "trace.h"
|
#include "trace.h"
|
#include "execute.h"
|
#include "execute.h"
|
|
|
/* Set instruction execution breakpoint. */
|
/* Set instruction execution breakpoint. */
|
|
|
void set_insnbrkpoint(unsigned long addr)
|
void set_insnbrkpoint(unsigned long addr)
|
{
|
{
|
|
struct mem_entry *entry;
|
addr &= 0xfffffffc; /* 32-bit aligned */
|
addr &= 0xfffffffc; /* 32-bit aligned */
|
|
|
if (addr < (MEMORY_START + MEMORY_LEN))
|
if (verify_memoryarea(addr) && cur_area->getentry && (entry = cur_area->getentry(addr)))
|
if (mem[addr].brk) {
|
if (entry->brk) {
|
mem[addr].brk = 0;
|
entry->brk = 0;
|
printf("\nBreakpoint at 0x%.8lx cleared.\n", addr);
|
printf("\nBreakpoint at 0x%.8lx cleared.\n", addr);
|
} else {
|
} else {
|
mem[addr].brk = 1;
|
entry->brk = 1;
|
printf("\nBreakpoint at 0x%.8lx set.\n", addr);
|
printf("\nBreakpoint at 0x%.8lx set.\n", addr);
|
}
|
}
|
else
|
else
|
printf("ERROR: Can't set this breakpoint out of memory.\n");
|
printf("ERROR: Can't set this breakpoint out of memory.\n");
|
|
|
return;
|
return;
|
}
|
}
|
|
|
|
|