FreeChainXenon/binutils-gdb
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* Makefile.in: Add Timer A support.

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* cpu.h (m32c_opcode_pc): New.
(in_gdb): New.
* gdb-if.c (sim_open): Add Timer A support.  Support unbuffered
console.
* int.c (trigger_interrupt): Manage the U flag properly.
(trigger_based_interrupt): Likewise.
(trigger_fixed_interrupt): New.
(trigger_peripheral_interrupt): New.
* int.h (trigger_peripheral_interrupt): New.
* m32c.opc: Use m32c_opcode_pc throughout, as needed.
(decode_m32c): Detect jump-to-zero with traceback.
(BRK): Try to do the right thing, keeping track of whether we're
in gdb or not, and if the user has provided a handler or not.
(GBRK): Alternate break opcode for gdb, in case the user's app
needs to use BRK for itself.
(BRK2): Implement.
* main.c: Add Timer A support.  Support TCP-based console.
(setup_tcp_console): New.
(main): Add Timer A support.  Support TCP-based console.
* mem.c: Add Timer A support.  Support TCP-based console.
(mem_ptr): Enhance NULL pointer detection.
(stdin_ready): New.
(m32c_sim_restore_console): New.
(mem_get_byte): Check for console input ready.
(update_timer_a): New.
* r8c.opc (SSTR): Use r0l, not r0h.
(REIT): Fix return frame logic.
* reg.c (print_flags): New.
(trace_register_changes): Use it.
(m32c_dump_all_registers): New.
* timer_a.h: New.

* load.c: Fix indentation.
* trace.c: Fix indentation.
* trace.h: Fix indentation.
This commit is contained in:
DJ Delorie 2008-06-06 19:18:15 +00:00
parent ebfe2e3fb6
commit 3877a1459b
18 changed files with 519 additions and 67 deletions
Download patch file Download diff file Expand all files Collapse all files

90
sim/m32c/main.c
View file

@ -27,6 +27,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <setjmp.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include "bfd.h"
#include "cpu.h"
@ -34,8 +40,15 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "misc.h"
#include "load.h"
#include "trace.h"
#ifdef TIMER_A
#include "int.h"
#include "timer_a.h"
#endif
static int disassemble = 0;
extern int m32c_console_ofd;
extern int m32c_console_ifd;
int m32c_disassemble = 0;
static unsigned int cycles = 0;
static void
@ -50,24 +63,79 @@ done (int exit_code)
exit (exit_code);
}
static void
setup_tcp_console (char *portname)
{
int port = atoi (portname);
struct sockaddr_in address;
int isocket;
socklen_t as;
unsigned char *a;
if (port < 1024)
{
printf ("invalid port number %d\n", port);
exit (1);
}
printf ("waiting for tcp console on port %d\n", port);
memset (&address, 0, sizeof (address));
address.sin_family = AF_INET;
address.sin_port = htons (port);
isocket = socket (AF_INET, SOCK_STREAM, 0);
if (isocket < 0)
{
perror ("socket");
exit (1);
}
if (bind (isocket, (struct sockaddr *) &address, sizeof (address)))
{
perror ("bind");
exit (1);
}
listen (isocket, 2);
printf ("waiting for connection...\n");
as = sizeof (address);
m32c_console_ifd = accept (isocket, (struct sockaddr *) &address, &as);
if (m32c_console_ifd == -1)
{
perror ("accept");
exit (1);
}
a = (unsigned char *) (&address.sin_addr.s_addr);
printf ("connection from %d.%d.%d.%d\n", a[0], a[1], a[2], a[3]);
m32c_console_ofd = m32c_console_ifd;
}
int
main (int argc, char **argv)
{
int o;
int save_trace;
bfd *prog;
char *console_port_s = 0;
while ((o = getopt (argc, argv, "tvdm:")) != -1)
setbuf (stdout, 0);
in_gdb = 0;
while ((o = getopt (argc, argv, "tc:vdm:")) != -1)
switch (o)
{
case 't':
trace++;
break;
case 'c':
console_port_s = optarg;
break;
case 'v':
verbose++;
break;
case 'd':
disassemble++;
m32c_disassemble++;
break;
case 'm':
if (strcmp (optarg, "r8c") == 0 || strcmp (optarg, "m16c") == 0)
@ -83,8 +151,8 @@ main (int argc, char **argv)
break;
case '?':
fprintf (stderr,
"usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]"
" program\n");
"usage: run [-v] [-t] [-d] [-m r8c|m16c|m32cm|m32c]"
" program\n");
exit (1);
}
@ -106,8 +174,10 @@ main (int argc, char **argv)
m32c_load (prog);
trace = save_trace;
if (disassemble)
sim_disasm_init (prog);
if (console_port_s)
setup_tcp_console (console_port_s);
sim_disasm_init (prog);
while (1)
{
@ -116,7 +186,7 @@ main (int argc, char **argv)
if (trace)
printf ("\n");
if (disassemble)
if (m32c_disassemble)
sim_disasm_one ();
enable_counting = verbose;
@ -132,5 +202,9 @@ main (int argc, char **argv)
assert (M32C_STEPPED (rc));
trace_register_changes ();
#ifdef TIMER_A
update_timer_a ();
#endif
}
}