unsigned int __machine_arch_type;
-#include <linux/string.h>
+#define _LINUX_STRING_H_
+
+#include <linux/compiler.h> /* for inline */
+#include <linux/types.h> /* for size_t */
+#include <linux/stddef.h> /* for NULL */
+#include <asm/string.h>
+#include <linux/linkage.h>
+
+#include <asm/unaligned.h>
#ifdef STANDALONE_DEBUG
#define putstr printf
static void putstr(const char *ptr);
-#include <linux/compiler.h>
-#include <asm/arch/uncompress.h>
+#include <mach/uncompress.h>
#ifdef CONFIG_DEBUG_ICEDCC
+
+#ifdef CONFIG_CPU_V6
+
+static void icedcc_putc(int ch)
+{
+ int status, i = 0x4000000;
+
+ do {
+ if (--i < 0)
+ return;
+
+ asm volatile ("mrc p14, 0, %0, c0, c1, 0" : "=r" (status));
+ } while (status & (1 << 29));
+
+ asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
+}
+#elif defined(CONFIG_CPU_XSCALE)
+
+static void icedcc_putc(int ch)
+{
+ int status, i = 0x4000000;
+
+ do {
+ if (--i < 0)
+ return;
+
+ asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status));
+ } while (status & (1 << 28));
+
+ asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch));
+}
+
+#else
+
static void icedcc_putc(int ch)
{
int status, i = 0x4000000;
if (--i < 0)
return;
- asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
+ asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
} while (status & 2);
- asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
+ asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch));
}
+#endif
+
#define putc(ch) icedcc_putc(ch)
#define flush() do { } while (0)
#endif
#define __ptr_t void *
+#define memzero(s,n) __memzero(s,n)
+
/*
* Optimised C version of memzero for the ARM.
*/
/*
* gzip delarations
*/
-#define OF(args) args
#define STATIC static
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-static unsigned insize; /* valid bytes in inbuf */
-static unsigned inptr; /* index of next byte to be processed in inbuf */
-static unsigned outcnt; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
/* Diagnostic functions */
#ifdef DEBUG
# define Assert(cond,msg) {if(!(cond)) error(msg);}
# define Tracecv(c,x)
#endif
-static int fill_inbuf(void);
-static void flush_window(void);
static void error(char *m);
-static void gzip_mark(void **);
-static void gzip_release(void **);
extern char input_data[];
extern char input_data_end[];
-static uch *output_data;
-static ulg output_ptr;
-static ulg bytes_out;
+static unsigned char *output_data;
+static unsigned long output_ptr;
-static void *malloc(int size);
-static void free(void *where);
static void error(char *m);
-static void gzip_mark(void **);
-static void gzip_release(void **);
static void putstr(const char *);
-extern int end;
-static ulg free_mem_ptr;
-static ulg free_mem_ptr_end;
-
-#define HEAP_SIZE 0x2000
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
-#include "../../../../lib/inflate.c"
-
-#ifndef STANDALONE_DEBUG
-static void *malloc(int size)
-{
- void *p;
-
- if (size <0) error("Malloc error");
- if (free_mem_ptr <= 0) error("Memory error");
-
- free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */
-
- p = (void *)free_mem_ptr;
- free_mem_ptr += size;
-
- if (free_mem_ptr >= free_mem_ptr_end)
- error("Out of memory");
- return p;
-}
-
-static void free(void *where)
-{ /* gzip_mark & gzip_release do the free */
-}
-
-static void gzip_mark(void **ptr)
-{
- arch_decomp_wdog();
- *ptr = (void *) free_mem_ptr;
-}
-
-static void gzip_release(void **ptr)
-{
- arch_decomp_wdog();
- free_mem_ptr = (long) *ptr;
-}
-#else
-static void gzip_mark(void **ptr)
-{
-}
-
-static void gzip_release(void **ptr)
-{
-}
+#ifdef STANDALONE_DEBUG
+#define NO_INFLATE_MALLOC
#endif
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-int fill_inbuf(void)
-{
- if (insize != 0)
- error("ran out of input data");
-
- inbuf = input_data;
- insize = &input_data_end[0] - &input_data[0];
+#define ARCH_HAS_DECOMP_WDOG
- inptr = 1;
- return inbuf[0];
-}
+#ifdef CONFIG_KERNEL_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-void flush_window(void)
-{
- ulg c = crc;
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg)outcnt;
- output_ptr += (ulg)outcnt;
- outcnt = 0;
- putstr(".");
-}
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
#ifndef arch_error
#define arch_error(x)
while(1); /* Halt */
}
+asmlinkage void __div0(void)
+{
+ error("Attempting division by 0!");
+}
+
#ifndef STANDALONE_DEBUG
-ulg
-decompress_kernel(ulg output_start, ulg free_mem_ptr_p, ulg free_mem_ptr_end_p,
- int arch_id)
+unsigned long
+decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p,
+ unsigned long free_mem_ptr_end_p,
+ int arch_id)
{
- output_data = (uch *)output_start; /* Points to kernel start */
+ unsigned char *tmp;
+
+ output_data = (unsigned char *)output_start;
free_mem_ptr = free_mem_ptr_p;
- free_mem_ptr_end = free_mem_ptr_end_p;
+ free_mem_end_ptr = free_mem_ptr_end_p;
__machine_arch_type = arch_id;
arch_decomp_setup();
- makecrc();
+ tmp = (unsigned char *) (((unsigned long)input_data_end) - 4);
+ output_ptr = get_unaligned_le32(tmp);
+
putstr("Uncompressing Linux...");
- gunzip();
+ decompress(input_data, input_data_end - input_data,
+ NULL, NULL, output_data, NULL, error);
putstr(" done, booting the kernel.\n");
return output_ptr;
}
{
output_data = output_buffer;
- makecrc();
putstr("Uncompressing Linux...");
- gunzip();
+ decompress(input_data, input_data_end - input_data,
+ NULL, NULL, output_data, NULL, error);
putstr("done.\n");
return 0;
}
#endif
-
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff