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/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup init Init
* @brief Init process for user space environment configuration.
* @{
*/
/**
* @file
*/
#include <stdio.h>
#include <unistd.h>
#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 <string.h>
#include <devmap.h>
#include <config.h>
#include "init.h"
static void info_print(void)
{
printf(NAME ": HelenOS init\n");
}
static bool mount_root(const char *fstype)
{
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();
if (null_id == -1) {
printf(NAME ": Unable to create null device\n");
return false;
}
snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
switch (rc) {
case EOK:
printf(NAME ": Device filesystem mounted\n");
break;
case EBUSY:
printf(NAME ": Device filesystem already mounted\n");
devmap_null_destroy(null_id);
return false;
case ELIMIT:
printf(NAME ": Unable to mount device filesystem\n");
devmap_null_destroy(null_id);
return false;
case ENOENT:
printf(NAME ": Unknown filesystem type (devfs)\n");
devmap_null_destroy(null_id);
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_root(STRING(RDFMT))) {
printf(NAME ": Exiting\n");
return -1;
}
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
mount_data();
#else
(void) mount_data;
#endif
getvc("vc0", "/app/bdsh");
getvc("vc1", "/app/bdsh");
getvc("vc2", "/app/bdsh");
getvc("vc3", "/app/bdsh");
getvc("vc4", "/app/bdsh");
getvc("vc5", "/app/bdsh");
getvc("vc6", "/app/klog");
return 0;
}
/** @}
*/