/*
* Copyright (c) 2008 Jiri Svoboda
* 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 iramfs
* @brief Loads inlined data onto tmpfs.
* @{
*/
/**
* @file
*/
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <vfs/vfs.h>
#include <sys/types.h>
#include "data.h"
#define min(a,b) ((a)>(b) ? (b) : (a))
int write_file(const uint8_t *data, size_t length, const char *file_name)
{
int nbytes;
uint8_t *dp;
int written;
int fd;
int cnt;
printf("Create %s\n", file_name
);
fd = open(file_name, O_CREAT);
if (fd
< 0) { printf("open failed\n"); return -1; }
printf("write %d bytes...\n", length
);
nbytes = length; dp = data; written = 0;
while (nbytes > 0) {
cnt = write(fd, dp, min(16384, nbytes));
if (cnt
< 0) { printf("write failed\n"); return -1; }
dp += cnt;
written += cnt;
nbytes -= cnt;
printf("written: %d, cnt: %d, left: %d\n", written
, cnt
, nbytes
);
}
printf("\nwritten %d bytes\n", written
);
close(fd);
return 0;
}
int main(int argc, char *argv[])
{
int rc;
do {
rc = mount("tmpfs", "/", "nulldev0");
printf("mount tmpfs on / -> %d\n", rc
);
if (rc == 0) break;
usleep(1000 * 1000);
} while (1);
if (write_file(rtld, rtld_size, rtld_filename) < 0) return 1;
if (write_file(dltest, dltest_size, dltest_filename) < 0) return 1;
if (write_file(libc, libc_size, libc_filename) < 0) return 1;
if (write_file(tetris, tetris_size, tetris_filename) < 0) return 1;
return 0;
}
/** @}
*/