1 // SPDX-License-Identifier: GPL-2.0
3 * arch/h8300/boot/compressed/misc.c
5 * This is a collection of several routines from gzip-1.0.3
8 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
10 * Adapted for h8300 by Yoshinori Sato 2006
13 #include <linux/uaccess.h>
24 #define memzero(s, n) memset((s), (0), (n))
27 static unsigned long free_mem_ptr;
28 static unsigned long free_mem_end_ptr;
30 extern char input_data[];
34 #define HEAP_SIZE 0x10000
36 #ifdef CONFIG_KERNEL_GZIP
37 #include "../../../../lib/decompress_inflate.c"
40 #ifdef CONFIG_KERNEL_LZO
41 #include "../../../../lib/decompress_unlzo.c"
44 void *memset(void *s, int c, size_t n)
49 for (i = 0; i < n; i++)
54 void *memcpy(void *dest, const void *src, size_t n)
57 char *d = (char *)dest, *s = (char *)src;
59 for (i = 0; i < n; i++)
64 static void error(char *x)
70 void decompress_kernel(void)
72 free_mem_ptr = (unsigned long)&_end;
73 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
75 __decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error);