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76 lines
1.3 KiB
76 lines
1.3 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* arch/h8300/boot/compressed/misc.c |
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* |
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* This is a collection of several routines from gzip-1.0.3 |
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* adapted for Linux. |
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* |
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* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 |
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* |
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* Adapted for h8300 by Yoshinori Sato 2006 |
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*/ |
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#include <linux/uaccess.h> |
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/* |
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* gzip declarations |
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*/ |
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#define OF(args) args |
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#define STATIC static |
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#undef memset |
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#undef memcpy |
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#define memzero(s, n) memset((s), (0), (n)) |
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extern int _end; |
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static unsigned long free_mem_ptr; |
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static unsigned long free_mem_end_ptr; |
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extern char input_data[]; |
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extern int input_len; |
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extern char output[]; |
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#define HEAP_SIZE 0x10000 |
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#ifdef CONFIG_KERNEL_GZIP |
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#include "../../../../lib/decompress_inflate.c" |
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#endif |
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#ifdef CONFIG_KERNEL_LZO |
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#include "../../../../lib/decompress_unlzo.c" |
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#endif |
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void *memset(void *s, int c, size_t n) |
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{ |
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int i; |
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char *ss = (char *)s; |
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for (i = 0; i < n; i++) |
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ss[i] = c; |
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return s; |
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} |
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void *memcpy(void *dest, const void *src, size_t n) |
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{ |
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int i; |
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char *d = (char *)dest, *s = (char *)src; |
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for (i = 0; i < n; i++) |
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d[i] = s[i]; |
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return dest; |
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} |
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static void error(char *x) |
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{ |
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while (1) |
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; /* Halt */ |
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} |
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void decompress_kernel(void) |
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{ |
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free_mem_ptr = (unsigned long)&_end; |
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free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; |
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__decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error); |
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}
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