-/*
- * This file is part of SIS.
- *
- * SIS, SPARC instruction simulator V1.6 Copyright (C) 1995 Jiri Gaisler,
- * European Space Agency
- *
- * 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
- * Software Foundation; either version 3 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
+/* This file is part of SIS (SPARC instruction simulator)
+
+ Copyright (C) 1995-2019 Free Software Foundation, Inc.
+ Contributed by Jiri Gaisler, European Space Agency
+
+ 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 Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "config.h"
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
-#include <time.h>
#include <sys/fcntl.h>
#include "sis.h"
#include "libiberty.h"
extern struct pstate sregs;
extern struct estate ebase;
-extern int current_target_byte_order;
extern int ctrl_c;
extern int nfp;
extern int ift;
(*sim_callback->printf_filtered) (sim_callback, "resuming at %x\n",
sregs->pc);
init_stdio();
- sregs->starttime = time(NULL);
+ sregs->starttime = get_time();
irq = 0;
+ if ((sregs->pc != 0) && (ebase.simtime == 0))
+ boot_init();
while (!sregs->err_mode & (icount > 0)) {
sregs->fhold = 0;
if (sregs->pc == 0 || sregs->npc == 0)
printf ("bogus pc or npc\n");
#endif
- mexc = memory_read(sregs->asi, sregs->pc, &sregs->inst,
- 2, &sregs->hold);
-#if 1 /* DELETE ME! for debugging purposes only */
+ mexc = memory_iread (sregs->pc, &sregs->inst, &sregs->hold);
+#if 0 /* DELETE ME! for debugging purposes only */
if (sis_verbose > 2)
printf("pc %x, np %x, sp %x, fp %x, wm %x, cw %x, i %08x\n",
sregs->pc, sregs->npc,
sim_halt();
restore_stdio();
clearerr(stdin);
- return (BPT_HIT);
+ return BPT_HIT;
} else
dispatch_instruction(sregs);
}
}
}
sim_halt();
- sregs->tottime += time(NULL) - sregs->starttime;
+ sregs->tottime += get_time() - sregs->starttime;
restore_stdio();
clearerr(stdin);
if (sregs->err_mode)
error_mode(sregs->pc);
if (sregs->err_mode)
- return (ERROR);
+ return ERROR;
if (sregs->bphit) {
if (sis_verbose)
(*sim_callback->printf_filtered) (sim_callback,
"HW BP hit at %x\n", sregs->pc);
- return (BPT_HIT);
+ return BPT_HIT;
}
if (ctrl_c) {
ctrl_c = 0;
- return (CTRL_C);
+ return CTRL_C;
}
- return (TIME_OUT);
-}
-
-void
-sim_set_callbacks (ptr)
- host_callback *ptr;
-{
- sim_callback = ptr;
-}
-
-void
-sim_size (memsize)
- int memsize;
-{
+ return TIME_OUT;
}
SIM_DESC
SIM_OPEN_KIND kind;
struct host_callback_struct *callback;
struct bfd *abfd;
- char **argv;
+ char * const *argv;
{
int argc = 0;
sim_callback = callback;
- while (argv[argc])
- argc++;
+ argc = countargv (argv);
while (stat < argc) {
if (argv[stat][0] == '-') {
if (strcmp(argv[stat], "-v") == 0) {
sregs.freq = freq ? freq : 15;
termsave = fcntl(0, F_GETFL, 0);
INIT_DISASSEMBLE_INFO(dinfo, stdout,(fprintf_ftype)fprintf);
+#ifdef HOST_LITTLE_ENDIAN
+ dinfo.endian = BFD_ENDIAN_LITTLE;
+#else
dinfo.endian = BFD_ENDIAN_BIG;
+#endif
reset_all();
ebase.simtime = 0;
init_sim();
sim_create_inferior(sd, abfd, argv, env)
SIM_DESC sd;
struct bfd *abfd;
- char **argv;
- char **env;
+ char * const *argv;
+ char * const *env;
{
bfd_vma start_address = 0;
if (abfd != NULL)
unsigned char *value;
int length;
{
- /* FIXME: Review the computation of regval. */
int regval;
- if (current_target_byte_order == BIG_ENDIAN)
- regval = (value[0] << 24) | (value[1] << 16)
+
+ regval = (value[0] << 24) | (value[1] << 16)
| (value[2] << 8) | value[3];
- else
- regval = (value[3] << 24) | (value[2] << 16)
- | (value[1] << 8) | value[0];
set_regi(&sregs, regno, regval);
return length;
}
}
int
-sim_write(sd, mem, buf, length)
- SIM_DESC sd;
- SIM_ADDR mem;
- const unsigned char *buf;
- int length;
+sim_write (SIM_DESC sd, SIM_ADDR mem, const unsigned char *buf, int length)
{
- return (sis_memory_write(mem, buf, length));
+ int i, len;
+
+ for (i = 0; i < length; i++) {
+ sis_memory_write ((mem + i) ^ EBT, &buf[i], 1);
+ }
+ return length;
}
int
-sim_read(sd, mem, buf, length)
- SIM_DESC sd;
- SIM_ADDR mem;
- unsigned char *buf;
- int length;
+sim_read (SIM_DESC sd, SIM_ADDR mem, unsigned char *buf, int length)
{
- return (sis_memory_read(mem, buf, length));
+ int i, len;
+
+ for (i = 0; i < length; i++) {
+ sis_memory_read ((mem + i) ^ EBT, &buf[i], 1);
+ }
+ return length;
}
void
if (sis_gdb_break) flush_windows ();
}
-int
-sim_trace (sd)
- SIM_DESC sd;
-{
- /* FIXME: unfinished */
- sim_resume (sd, 0, 0);
- return 1;
-}
-
void
sim_do_command(sd, cmd)
SIM_DESC sd;
- char *cmd;
+ const char *cmd;
{
exec_cmd(&sregs, cmd);
}
projects / deliverable / binutils-gdb.git / blobdiff