Subversion Repositories c0or1k

/*

 * This is just to allocate some memory as a block device.

 */

#include <init.h>

#include <l4/macros.h>

#include <bootdesc.h>

#include <memfs/memfs.h>

#include L4LIB_INC_ARCH(syslib.h)

void *vfs_rootdev_open(void)

{

        struct svc_image *rootfs_img = bootdesc_get_image_byname("rootfs");

        unsigned long rootfs_size = rootfs_img->phys_end - rootfs_img->phys_start;

        BUG_ON(rootfs_size < MEMFS_TOTAL_SIZE);

        /* Map filesystem blocks to virtual memory */

        return l4_map_helper((void *)rootfs_img->phys_start, __pfn(rootfs_size));

}