initrd.h

// initrd.h -- Defines the interface for and structures relating to the
// initial ramdisk.
// Written for JamesM's kernel development tutorials.

#ifndef INITRD_H
#define INITRD_H

#include "common.h"
#include "fs.h"
#include "string.h"
#include "kheap.h"

typedef struct
{
    u32int nfiles;      // The number of files in the ramdisk
} initrd_header_t;

typedef struct
{
    u8int magic;        // Magic number, for error checking.
    s8int name[64];     // Filename.
    u32int offset;      // Offset in the initrd that the file starts.
    u32int length;      // length of the file.
} initrd_file_header_t;

// Initialises the initial ramdisk. It gets passed the address of the multiboot
// module and returns a completed filesystem node.
fs_node_t *initialise_initrd(u32int location);

#endif // INITRD_H