Contributors: 13
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Linus Torvalds (pre-git) |
299 |
62.82% |
2 |
10.53% |
Paul Mundt |
123 |
25.84% |
6 |
31.58% |
Kees Cook |
16 |
3.36% |
1 |
5.26% |
Steven Rostedt |
7 |
1.47% |
1 |
5.26% |
Stuart Menefy |
6 |
1.26% |
1 |
5.26% |
Andrew Morton |
6 |
1.26% |
1 |
5.26% |
Nobuhiro Iwamatsu |
5 |
1.05% |
1 |
5.26% |
Yoshinori Sato |
5 |
1.05% |
1 |
5.26% |
Huacai Chen |
3 |
0.63% |
1 |
5.26% |
Yinghai Lu |
3 |
0.63% |
1 |
5.26% |
Greg Kroah-Hartman |
1 |
0.21% |
1 |
5.26% |
Matt Fleming |
1 |
0.21% |
1 |
5.26% |
Linus Torvalds |
1 |
0.21% |
1 |
5.26% |
Total |
476 |
|
19 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* arch/sh/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 SH by Stuart Menefy, Aug 1999
*
* Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000
*/
#include <linux/uaccess.h>
#include <asm/addrspace.h>
#include <asm/page.h>
/*
* gzip declarations
*/
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset ((s), 0, (n))
/* cache.c */
#define CACHE_ENABLE 0
#define CACHE_DISABLE 1
int cache_control(unsigned int command);
extern char input_data[];
extern int input_len;
static unsigned char *output;
static void error(char *m);
int puts(const char *);
extern int _text; /* Defined in vmlinux.lds.S */
extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
#ifdef CONFIG_HAVE_KERNEL_BZIP2
#define HEAP_SIZE 0x400000
#else
#define HEAP_SIZE 0x10000
#endif
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
#ifdef CONFIG_KERNEL_BZIP2
#include "../../../../lib/decompress_bunzip2.c"
#endif
#ifdef CONFIG_KERNEL_LZMA
#include "../../../../lib/decompress_unlzma.c"
#endif
#ifdef CONFIG_KERNEL_XZ
#include "../../../../lib/decompress_unxz.c"
#endif
#ifdef CONFIG_KERNEL_LZO
#include "../../../../lib/decompress_unlzo.c"
#endif
int puts(const char *s)
{
/* This should be updated to use the sh-sci routines */
return 0;
}
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)
{
puts("\n\n");
puts(x);
puts("\n\n -- System halted");
while(1); /* Halt */
}
const unsigned long __stack_chk_guard = 0x000a0dff;
void __stack_chk_fail(void)
{
error("stack-protector: Kernel stack is corrupted\n");
}
/* Needed because vmlinux.lds.h references this */
void ftrace_stub(void)
{
}
#define stackalign 4
#define STACK_SIZE (4096)
long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE];
long *stack_start = &user_stack[STACK_SIZE];
void decompress_kernel(void)
{
unsigned long output_addr;
output_addr = __pa((unsigned long)&_text+PAGE_SIZE);
#if defined(CONFIG_29BIT)
output_addr |= P2SEG;
#endif
output = (unsigned char *)output_addr;
free_mem_ptr = (unsigned long)&_end;
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
puts("Uncompressing Linux... ");
cache_control(CACHE_ENABLE);
__decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error);
cache_control(CACHE_DISABLE);
puts("Ok, booting the kernel.\n");
}