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