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comparison cos/kernel/initrd.c @ 32:3a6a9b929db0

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Added initial ramdisk and some virtual file system functions
author windel
date Fri, 13 Jan 2012 18:18:17 +0100
parents
children 35cc54e078dd
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31:88590c42320f 32:3a6a9b929db0
1 /*
2 * Initial ramdisk filesystem driver.
3 * */
4
5 #include "kernel.h"
6
7 fs_node_t *initrd_root = 0;
8
9 typedef struct
10 {
11 uint32_t magic;
12 uint32_t numfiles;
13 } initrd_header_t;
14
15 fs_node_t* initialize_initrd(uint64_t location)
16 {
17 // We need a valid malloc here!
18 initrd_root = (fs_node_t*)kmalloc(sizeof(fs_node_t));
19
20 initrd_header_t *header = (initrd_header_t*)location;
21 initrd_root->length = header->numfiles;
22
23 return initrd_root;
24 }
25