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/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <bsp.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <rtems/ramdisk.h>
#include <rtems/error.h>
#include <rtems/untar.h>
#include <rtems/shell.h>
#include "fs-root-tar.h"
/**
* The RAM Disk configuration.
*/
rtems_ramdisk_config rtems_ramdisk_configuration[] =
{
{
block_size: 256,
block_num: 1024,
location: NULL
}
};
/**
* The number of RAM Disk configurations.
*/
size_t rtems_ramdisk_configuration_size = 1;
/**
* Create the RAM Disk Driver entry.
*/
rtems_driver_address_table rtems_ramdisk_io_ops = {
initialization_entry: ramdisk_initialize,
open_entry: rtems_blkdev_generic_open,
close_entry: rtems_blkdev_generic_close,
read_entry: rtems_blkdev_generic_read,
write_entry: rtems_blkdev_generic_write,
control_entry: rtems_blkdev_generic_ioctl
};
#define RTEMS_DRIVER_AUTO_MAJOR (0)
int setup_ramdisk (const char* mntpath)
{
rtems_device_major_number major;
rtems_status_code sc;
/*
* Register the RAM Disk driver.
*/
printf ("Register RAM Disk Driver: ");
sc = rtems_io_register_driver (RTEMS_DRIVER_AUTO_MAJOR,
&rtems_ramdisk_io_ops,
&major);
if (sc != RTEMS_SUCCESSFUL) {
printf ("error: ramdisk driver not initialised: %s\n",
rtems_status_text (sc));
return 1;
}
printf ("successful\n");
return 0;
}
/**
* Run the /shell-init script.
*/
void shell_init_script(void)
{
rtems_status_code sc;
printf("Running /shell-init....\n\n");
sc = rtems_shell_script("fstst", 60 * 1024, 160, "/shell-init", "stdout",
0, 1, 1);
if (sc != RTEMS_SUCCESSFUL)
printf("error: running shell script: %s (%d)\n",
rtems_status_text (sc), sc);
}
/**
* Start the RTEMS Shell.
*/
void shell_start ()
{
rtems_status_code sc;
printf ("Starting shell....\n\n");
sc = rtems_shell_init ("fstst", 60 * 1024, 150, "/dev/console", 0, 1, NULL);
if (sc != RTEMS_SUCCESSFUL)
printf ("error: starting shell: %s (%d)\n", rtems_status_text (sc), sc);
}
rtems_task Init(
rtems_task_argument ignored
)
{
int ret;
puts( "\n\n*** ramdisk/fat example ***" );
printf("Unpacking tar filesystem\nThis may take awhile...\n");
if(Untar_FromMemory((char*) fs_root_tar, fs_root_tar_size) != 0) {
printf("Can't unpack tar filesystem\n");
exit(1);
}
ret = setup_ramdisk ("/mnt/ramdisk");
if (ret)
exit (ret);
shell_init_script();
shell_start();
printf( "*** end of demonstration ***\n" );
exit( 0 );
}
/* configuration */
#define CONFIGURE_MAXIMUM_POSIX_KEYS 16
#define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS 16
#define CONFIGURE_SHELL_COMMANDS_INIT
#define CONFIGURE_SHELL_COMMANDS_ALL
#define CONFIGURE_SHELL_MOUNT_MSDOS
#include <rtems/shellconfig.h>
/* drivers */
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
/* filesystem */
#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 40
#define CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK 512
#define CONFIGURE_MAXIMUM_DRIVERS 10
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
#define CONFIGURE_SWAPOUT_TASK_PRIORITY 10
#define CONFIGURE_MAXIMUM_TASKS rtems_resource_unlimited (10)
#define CONFIGURE_MAXIMUM_SEMAPHORES rtems_resource_unlimited (10)
#define CONFIGURE_MAXIMUM_MESSAGE_QUEUES rtems_resource_unlimited (5)
#define CONFIGURE_MAXIMUM_PARTITIONS rtems_resource_unlimited (2)
#define CONFIGURE_UNIFIED_WORK_AREAS
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
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