2 * arch/h8300/boot/compressed/misc.c
4 * This is a collection of several routines from gzip-1.0.3
7 * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
9 * Adapted for h8300 by Yoshinori Sato 2006
12 #include <asm/uaccess.h>
23 #define memzero(s, n) memset((s), (0), (n))
26 static unsigned long free_mem_ptr;
27 static unsigned long free_mem_end_ptr;
29 extern char input_data[];
31 static unsigned char *output;
33 #define HEAP_SIZE 0x10000
35 #include "../../../../lib/decompress_inflate.c"
37 void *memset(void *s, int c, size_t n)
42 for (i = 0; i < n; i++)
47 void *memcpy(void *dest, const void *src, size_t n)
50 char *d = (char *)dest, *s = (char *)src;
52 for (i = 0; i < n; i++)
57 static void error(char *x)
64 #define STACK_SIZE (4096)
65 long user_stack[STACK_SIZE];
66 long *stack_start = &user_stack[STACK_SIZE];
68 void decompress_kernel(void)
70 free_mem_ptr = (unsigned long)&_end;
71 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
73 __decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error);