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barebox/lib/bootstrap/disk.c

38 lines
688 B
C

/*
* Copyright (C) 2011 Sascha Hauer, Pengutronix
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
*
* Under GPLv2
*/
#include <common.h>
#include <fs.h>
#include <fcntl.h>
#include <sizes.h>
#include <errno.h>
#include <malloc.h>
#include <bootstrap.h>
void* bootstrap_read_disk(char *dev, char *fstype)
{
int ret;
void *buf;
int len;
char *path = "/";
ret = mount(dev, fstype, path, NULL);
if (ret) {
bootstrap_err("mounting %s failed with %d\n", dev, ret);
return NULL;
}
buf = read_file("/barebox.bin", &len);
if (!buf) {
bootstrap_err("could not read barebox.bin from %s\n", dev);
umount(path);
return NULL;
}
return buf;
}