PC parallel port support (Mark Jonckheere)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1221 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index f478f9b..468032f 100644
--- a/vl.c
+++ b/vl.c
@@ -136,6 +136,7 @@
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 @@
"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 @@
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 @@
{ "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 @@
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 @@
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 @@
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 @@
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 @@
}
}
+ 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)
