/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2023 On-Line Applications Research (OAR)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.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 FLASH_PAGE_SIZE (1024UL)
/* Out of Band/Spare area size is per-page */
#define FLASH_PAGE_OOB_SIZE (32UL)
#define PAGES_PER_BLOCK (16UL)
#define BLOCKS_PER_DEVICE (8UL)
#define FLASH_OOB_SIZE (BLOCKS_PER_DEVICE * PAGES_PER_BLOCK * FLASH_PAGE_OOB_SIZE)
#define FLASH_BLOCK_SIZE (PAGES_PER_BLOCK * FLASH_PAGE_SIZE)
#define FLASH_SIZE (BLOCKS_PER_DEVICE * FLASH_BLOCK_SIZE)
typedef struct {
rtems_jffs2_flash_control super;
unsigned char area[FLASH_SIZE];
unsigned char oob[FLASH_OOB_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);
uint32_t page_index = offset / FLASH_PAGE_SIZE;
uint32_t oob_offset = page_index * FLASH_PAGE_OOB_SIZE;
unsigned char *chunk = &self->area[offset];
unsigned char *oobchunk = &self->oob[oob_offset];
memset(chunk, 0xff, FLASH_BLOCK_SIZE);
memset(oobchunk, 0xff, PAGES_PER_BLOCK * FLASH_PAGE_OOB_SIZE);
return 0;
}
static int flash_read_oob(
rtems_jffs2_flash_control *super,
uint32_t offset,
uint8_t *buffer,
uint32_t size_of_buffer
)
{
flash_control *self = get_flash_control(super);
uint32_t page_index = offset / FLASH_PAGE_SIZE;
uint32_t oob_offset = page_index * FLASH_PAGE_OOB_SIZE;
unsigned char *chunk = &self->oob[oob_offset];
memcpy(buffer, chunk, size_of_buffer);
return 0;
}
static int flash_write_oob(
rtems_jffs2_flash_control *super,
uint32_t offset,
uint8_t *buffer,
uint32_t size_of_buffer
)
{
flash_control *self = get_flash_control(super);
uint32_t page_index = offset / FLASH_PAGE_SIZE;
uint32_t oob_offset = page_index * FLASH_PAGE_OOB_SIZE;
unsigned char *chunk = &self->oob[oob_offset];
size_t i;
for (i = 0; i < size_of_buffer; ++i) {
chunk[i] &= buffer[i];
}
return 0;
}
static int flash_block_is_bad(
rtems_jffs2_flash_control *super,
uint32_t orig_offset,
bool *bad
)
{
*bad = false;
return 0;
}
static int flash_block_mark_bad(
rtems_jffs2_flash_control *super,
uint32_t orig_offset
)
{
return 0;
}
static uint32_t flash_get_oob_size(
rtems_jffs2_flash_control *super
)
{
return FLASH_PAGE_OOB_SIZE;
}
static flash_control flash_instance = {
.super = {
.block_size = FLASH_BLOCK_SIZE,
.flash_size = FLASH_SIZE,
.read = flash_read,
.write = flash_write,
.erase = flash_erase,
.block_is_bad = flash_block_is_bad,
.block_mark_bad = flash_block_mark_bad,
.oob_read = flash_read_oob,
.oob_write = flash_write_oob,
.get_oob_size = flash_get_oob_size,
.write_size = FLASH_PAGE_SIZE
}
};
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);
memset(&flash_instance.oob[0], 0xff, FLASH_OOB_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_MAXIMUM_FILE_DESCRIPTORS 40
#define CONFIGURE_MAXIMUM_TASKS 2
#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_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
