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Commit | Line | Data |
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06706c96 YS |
1 | /* |
2 | * arch/h8300/boot/compressed/misc.c | |
3 | * | |
4 | * This is a collection of several routines from gzip-1.0.3 | |
5 | * adapted for Linux. | |
6 | * | |
7 | * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 | |
8 | * | |
9 | * Adapted for h8300 by Yoshinori Sato 2006 | |
10 | */ | |
11 | ||
12 | #include <asm/uaccess.h> | |
13 | ||
14 | /* | |
15 | * gzip declarations | |
16 | */ | |
17 | ||
18 | #define OF(args) args | |
19 | #define STATIC static | |
20 | ||
21 | #undef memset | |
22 | #undef memcpy | |
23 | #define memzero(s, n) memset((s), (0), (n)) | |
24 | ||
25 | extern int _end; | |
26 | static unsigned long free_mem_ptr; | |
27 | static unsigned long free_mem_end_ptr; | |
28 | ||
29 | extern char input_data[]; | |
30 | extern int input_len; | |
78f02cac | 31 | extern char output[]; |
06706c96 YS |
32 | |
33 | #define HEAP_SIZE 0x10000 | |
34 | ||
35 | #include "../../../../lib/decompress_inflate.c" | |
36 | ||
37 | void *memset(void *s, int c, size_t n) | |
38 | { | |
39 | int i; | |
40 | char *ss = (char *)s; | |
41 | ||
42 | for (i = 0; i < n; i++) | |
43 | ss[i] = c; | |
44 | return s; | |
45 | } | |
46 | ||
47 | void *memcpy(void *dest, const void *src, size_t n) | |
48 | { | |
49 | int i; | |
50 | char *d = (char *)dest, *s = (char *)src; | |
51 | ||
52 | for (i = 0; i < n; i++) | |
53 | d[i] = s[i]; | |
54 | return dest; | |
55 | } | |
56 | ||
57 | static void error(char *x) | |
58 | { | |
06706c96 YS |
59 | while (1) |
60 | ; /* Halt */ | |
61 | } | |
62 | ||
06706c96 YS |
63 | void decompress_kernel(void) |
64 | { | |
65 | free_mem_ptr = (unsigned long)&_end; | |
66 | free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; | |
67 | ||
2d3862d2 | 68 | __decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error); |
06706c96 | 69 | } |