blob: 704274127c07e9f5c67e074264d82bf08018ddbf [file] [log] [blame]
/*
* arch/h8300/boot/compressed/misc.c
*
* This is a collection of several routines from gzip-1.0.3
* adapted for Linux.
*
* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
*
* Adapted for h8300 by Yoshinori Sato 2006
*/
#include <asm/uaccess.h>
/*
* gzip declarations
*/
#define OF(args) args
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset((s), (0), (n))
extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
extern char input_data[];
extern int input_len;
static unsigned char *output;
#define HEAP_SIZE 0x10000
#include "../../../../lib/decompress_inflate.c"
void *memset(void *s, int c, size_t n)
{
int i;
char *ss = (char *)s;
for (i = 0; i < n; i++)
ss[i] = c;
return s;
}
void *memcpy(void *dest, const void *src, size_t n)
{
int i;
char *d = (char *)dest, *s = (char *)src;
for (i = 0; i < n; i++)
d[i] = s[i];
return dest;
}
static void error(char *x)
{
while (1)
; /* Halt */
}
#define STACK_SIZE (4096)
long user_stack[STACK_SIZE];
long *stack_start = &user_stack[STACK_SIZE];
void decompress_kernel(void)
{
free_mem_ptr = (unsigned long)&_end;
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
}