WebSVN – HelenOS – Diff – //branches/tracing/uspace/app/init/init.c

 #include <ipc/ipc.h>
 #include <vfs/vfs.h>
 #include <bool.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <sys/stat.h>
 #include <task.h>
 #include <malloc.h>
 #include <macros.h>
-#include <console.h>
 #include <string.h>
+#include <devmap.h>
+#include <config.h>
 #include "init.h"
-#include "version.h"
+static void info_print(void)
+{
+    printf(NAME ": HelenOS init\n");
+}
-static bool mount_fs(const char *fstype)
+static bool mount_root(const char *fstype)
+{
-    int rc = -1;
     char *opts = "";
+    const char *root_dev = "initrd";
     if (str_cmp(fstype, "tmpfs") == 0)
         opts = "restore";
+    int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
+    switch (rc) {
+    case EOK:
+        printf(NAME ": Root filesystem mounted, %s at %s\n",
+            fstype, root_dev);
+        break;
+    case EBUSY:
+        printf(NAME ": Root filesystem already mounted\n");
+        return false;
+    case ELIMIT:
+        printf(NAME ": Unable to mount root filesystem\n");
+        return false;
+    case ENOENT:
+        printf(NAME ": Unknown filesystem type (%s)\n", fstype);
+        return false;
+    default:
+        printf(NAME ": Error mounting root filesystem (%d)\n", rc);
+        return false;
+    }
+    return true;
+}
+static bool mount_devfs(void)
+{
+    char null[MAX_DEVICE_NAME];
+    int null_id = devmap_null_create();
-    while (rc < 0) {
+    if (null_id == -1) {
+        printf(NAME ": Unable to create null device\n");
+        return false;
+    }
+    snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
-        rc = mount(fstype, "/", "initrd", opts, IPC_FLAG_BLOCKING);
+    int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
-        switch (rc) {
+    switch (rc) {
-        case EOK:
+    case EOK:
-            printf(NAME ": Root filesystem mounted\n");
+        printf(NAME ": Device filesystem mounted\n");
-            break;
+        break;
-        case EBUSY:
+    case EBUSY:
-            printf(NAME ": Root filesystem already mounted\n");
+        printf(NAME ": Device filesystem already mounted\n");
+        devmap_null_destroy(null_id);
-            break;
+        return false;
-        case ELIMIT:
+    case ELIMIT:
-            printf(NAME ": Unable to mount root filesystem\n");
+        printf(NAME ": Unable to mount device filesystem\n");
+        devmap_null_destroy(null_id);
-            return false;
+        return false;
-        case ENOENT:
+    case ENOENT:
-            printf(NAME ": Unknown filesystem type (%s)\n", fstype);
+        printf(NAME ": Unknown filesystem type (devfs)\n");
+        devmap_null_destroy(null_id);
-            return false;
+        return false;
-        }
+    default:
+        printf(NAME ": Error mounting device filesystem (%d)\n", rc);
+        devmap_null_destroy(null_id);
+        return false;
+    }
     return true;
+}
 static void spawn(char *fname)
+{
     char *argv[2];
+    struct stat s;
+    if (stat(fname, &s) == ENOENT)
+        return;
     printf(NAME ": Spawning %s\n", fname);
     argv[0] = fname;
     argv[1] = NULL;
     if (!task_spawn(fname, argv))
         printf(NAME ": Error spawning %s\n", fname);
+}
+static void srv_start(char *fname)
+{
+    char *argv[2];
+    task_id_t id;
+    task_exit_t texit;
+    int rc, retval;
+    struct stat s;
+    if (stat(fname, &s) == ENOENT)
+        return;
+    printf(NAME ": Starting %s\n", fname);
+    argv[0] = fname;
+    argv[1] = NULL;
+    id = task_spawn(fname, argv);
+    if (!id) {
+        printf(NAME ": Error spawning %s\n", fname);
+        return;
+    }
+    rc = task_wait(id, &texit, &retval);
+    if (rc != EOK) {
+        printf(NAME ": Error waiting for %s\n", fname);
+        return;
+    }
+    if (texit != TASK_EXIT_NORMAL || retval != 0) {
+        printf(NAME ": Server %s failed to start (returned %d)\n",
+            fname, retval);
+    }
+}
+static void getvc(char *dev, char *app)
+{
+    char *argv[4];
+    char vc[MAX_DEVICE_NAME];
+    int rc;
+    snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
+    printf(NAME ": Spawning getvc on %s\n", vc);
+    dev_handle_t handle;
+    rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
+    if (rc == EOK) {
+        argv[0] = "/app/getvc";
+        argv[1] = vc;
+        argv[2] = app;
+        argv[3] = NULL;
+        if (!task_spawn("/app/getvc", argv))
+            printf(NAME ": Error spawning getvc on %s\n", vc);
+    } else {
+        printf(NAME ": Error waiting on %s\n", vc);
+    }
+}
+static void mount_data(void)
+{
+    int rc;
+    printf("Trying to mount disk0 on /data... ");
+    fflush(stdout);
+    rc = mount("fat", "/data", "disk0", "wtcache", 0);
+    if (rc == EOK)
+        printf("OK\n");
+    else
+        printf("Failed\n");
+}
 int main(int argc, char *argv[])
+{
     info_print();
-    if (!mount_fs(STRING(RDFMT))) {
+    if (!mount_root(STRING(RDFMT))) {
         printf(NAME ": Exiting\n");
         return -1;
+    }
-    // FIXME: spawn("/srv/pci");
+    spawn("/srv/devfs");
+    if (!mount_devfs()) {
+        printf(NAME ": Exiting\n");
+        return -2;
+    }
     spawn("/srv/fb");
     spawn("/srv/kbd");
     spawn("/srv/console");
     spawn("/srv/fhc");
     spawn("/srv/obio");
+    /*
+     * Start these synchronously so that mount_data() can be
+     * non-blocking.
+     */
+#ifdef CONFIG_START_BD
+    srv_start("/srv/ata_bd");
+    srv_start("/srv/gxe_bd");
+#else
+    (void) srv_start;
+#endif
+#ifdef CONFIG_MOUNT_DATA
-    console_wait();
+    mount_data();
+#else
-    version_print();
+    (void) mount_data;
+#endif
+    getvc("vc0", "/app/bdsh");
+    getvc("vc1", "/app/bdsh");
+    getvc("vc2", "/app/bdsh");
+    getvc("vc3", "/app/bdsh");
-    spawn("/app/klog");
+    getvc("vc4", "/app/bdsh");
-    spawn("/app/bdsh");
+    getvc("vc5", "/app/bdsh");
+    getvc("vc6", "/app/klog");
     return 0;
+}
 /** @}

Subversion Repositories HelenOS

(root)//branches/tracing/uspace/app/init/init.c – Rev 4377 → 4692