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PC parallel port support (Mark Jonckheere)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1221 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-15 12:02:56 +00:00
parent e5843bc816
commit 6508fe59e0
6 changed files with 244 additions and 1 deletions
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34
vl.c
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@ -136,6 +136,7 @@ int graphic_depth = 15;
int full_screen = 0;
TextConsole *vga_console;
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
/***********************************************************/
/* x86 ISA bus support */
@ -2750,6 +2751,7 @@ void help(void)
"Debug/Expert options:\n"
"-monitor dev redirect the monitor to char device 'dev'\n"
"-serial dev redirect the serial port to char device 'dev'\n"
"-parallel dev redirect the parallel port to char device 'dev'\n"
"-pidfile file Write PID to 'file'\n"
"-S freeze CPU at startup (use 'c' to start execution)\n"
"-s wait gdb connection to port %d\n"
@ -2842,6 +2844,7 @@ enum {
QEMU_OPTION_std_vga,
QEMU_OPTION_monitor,
QEMU_OPTION_serial,
QEMU_OPTION_parallel,
QEMU_OPTION_loadvm,
QEMU_OPTION_full_screen,
QEMU_OPTION_pidfile,
@ -2904,6 +2907,7 @@ const QEMUOption qemu_options[] = {
{ "std-vga", 0, QEMU_OPTION_std_vga },
{ "monitor", 1, QEMU_OPTION_monitor },
{ "serial", 1, QEMU_OPTION_serial },
{ "parallel", 1, QEMU_OPTION_parallel },
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
{ "full-screen", 0, QEMU_OPTION_full_screen },
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
@ -2986,6 +2990,8 @@ int main(int argc, char **argv)
char monitor_device[128];
char serial_devices[MAX_SERIAL_PORTS][128];
int serial_device_index;
char parallel_devices[MAX_PARALLEL_PORTS][128];
int parallel_device_index;
const char *loadvm = NULL;
#if !defined(CONFIG_SOFTMMU)
@ -3019,6 +3025,11 @@ int main(int argc, char **argv)
serial_devices[i][0] = '\0';
serial_device_index = 0;
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
for(i = 1; i < MAX_PARALLEL_PORTS; i++)
parallel_devices[i][0] = '\0';
parallel_device_index = 0;
nb_tun_fds = 0;
net_if_type = -1;
nb_nics = 1;
@ -3115,6 +3126,7 @@ int main(int argc, char **argv)
case QEMU_OPTION_nographic:
pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "stdio");
nographic = 1;
break;
case QEMU_OPTION_kernel:
@ -3329,6 +3341,15 @@ int main(int argc, char **argv)
sizeof(serial_devices[0]), optarg);
serial_device_index++;
break;
case QEMU_OPTION_parallel:
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
fprintf(stderr, "qemu: too many parallel ports\n");
exit(1);
}
pstrcpy(parallel_devices[parallel_device_index],
sizeof(parallel_devices[0]), optarg);
parallel_device_index++;
break;
case QEMU_OPTION_loadvm:
loadvm = optarg;
break;
@ -3552,6 +3573,19 @@ int main(int argc, char **argv)
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
if (parallel_devices[i][0] != '\0') {
parallel_hds[i] = qemu_chr_open(parallel_devices[i]);
if (!parallel_hds[i]) {
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
parallel_devices[i]);
exit(1);
}
if (!strcmp(parallel_devices[i], "vc"))
qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
}
}
/* setup cpu signal handlers for MMU / self modifying code handling */
#if !defined(CONFIG_SOFTMMU)