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/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <info@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pmacros.h"
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>
#include <rtems/jffs2.h>
#include <rtems/libio.h>
#include <rtems/libcsupport.h>
#include "fstest.h"
#include "fstest_support.h"
#define BLOCK_SIZE (16UL * 1024UL)
#define FLASH_SIZE (8UL * BLOCK_SIZE)
typedef struct {
rtems_jffs2_flash_control super;
unsigned char area[FLASH_SIZE];
} flash_control;
static flash_control *get_flash_control(rtems_jffs2_flash_control *super)
{
return (flash_control *) super;
}
static int flash_read(
rtems_jffs2_flash_control *super,
uint32_t offset,
unsigned char *buffer,
size_t size_of_buffer
)
{
flash_control *self = get_flash_control(super);
unsigned char *chunk = &self->area[offset];
memcpy(buffer, chunk, size_of_buffer);
return 0;
}
static int flash_write(
rtems_jffs2_flash_control *super,
uint32_t offset,
const unsigned char *buffer,
size_t size_of_buffer
)
{
flash_control *self = get_flash_control(super);
unsigned char *chunk = &self->area[offset];
size_t i;
for (i = 0; i < size_of_buffer; ++i) {
chunk[i] &= buffer[i];
}
return 0;
}
static int flash_erase(
rtems_jffs2_flash_control *super,
uint32_t offset
)
{
flash_control *self = get_flash_control(super);
unsigned char *chunk = &self->area[offset];
memset(chunk, 0xff, BLOCK_SIZE);
return 0;
}
static flash_control flash_instance = {
.super = {
.block_size = BLOCK_SIZE,
.flash_size = FLASH_SIZE,
.read = flash_read,
.write = flash_write,
.erase = flash_erase
}
};
static rtems_jffs2_compressor_control compressor_instance = {
.compress = rtems_jffs2_compressor_rtime_compress,
.decompress = rtems_jffs2_compressor_rtime_decompress
};
static const rtems_jffs2_mount_data mount_data = {
.flash_control = &flash_instance.super,
.compressor_control = &compressor_instance
};
static void erase_all(void)
{
memset(&flash_instance.area[0], 0xff, FLASH_SIZE);
}
static rtems_resource_snapshot before_mount;
void test_initialize_filesystem(void)
{
int rv;
erase_all();
rv = mkdir(BASE_FOR_TEST, S_IRWXU | S_IRWXG | S_IRWXO);
rtems_test_assert(rv == 0);
rtems_resource_snapshot_take(&before_mount);
rv = mount(
NULL,
BASE_FOR_TEST,
RTEMS_FILESYSTEM_TYPE_JFFS2,
RTEMS_FILESYSTEM_READ_WRITE,
&mount_data
);
rtems_test_assert(rv == 0);
}
void test_shutdown_filesystem(void)
{
int rv = unmount(BASE_FOR_TEST);
rtems_test_assert(rv == 0);
rtems_test_assert(rtems_resource_snapshot_check(&before_mount));
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_FILESYSTEM_JFFS2
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 40
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INIT_TASK_STACK_SIZE (32 * 1024)
#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>