initramfs.h File Reference

#include <fs/vfs.h>
#include <boot/boot.h>

Go to the source code of this file.

Functions
int	initramfs_archiver_register (struct fs *fs)
	Registers a filesystem that can make a root from a RAM disk archive.
int	load_ramdisk (module_t *module)
	Mounts the RAM disk as the root filesystem.

Variables
struct fs	initramfs

Function Documentation

initramfs_archiver_register()

int initramfs_archiver_register

(

struct fs *

fs

)

Registers a filesystem that can make a root from a RAM disk archive.

Parameters

fs	the filesystem, whose load operation reads the archive

Returns

0, or -ENOMEM

Definition at line 32 of file initramfs.c.

References archivers, initramfs_archiver_register(), fs::name, and printk().

Referenced by cpio_init(), and initramfs_archiver_register().

load_ramdisk()

int load_ramdisk

(

module_t *

module

)

Mounts the RAM disk as the root filesystem.

The kernel can't go on without a root: if no archiver can read the RAM disk, it panics.

Parameters

module

the boot loader's module that holds the RAM disk

Returns

what mounting the root returns

Definition at line 49 of file initramfs.c.

References archivers, DEV, devfs, vnode::fs, kmalloc(), fs::load, load_ramdisk(), M_ZERO, vnode::mode, NULL, panic, printk(), queue_for, rd_dev, rd_size, vnode::rdev, vnode::size, and vfs_mount_root().

Referenced by kmain(), and load_ramdisk().

Variable Documentation

initramfs

struct fs initramfs

extern