patch-2.4.25 linux-2.4.25/arch/mips/galileo-boards/ev64120/compressed/misc.c

• Lines: 314
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.24/arch/mips/galileo-boards/ev64120/compressed/misc.c
• Orig date: 2002-11-28 15:53:10.000000000 -0800

diff -urN linux-2.4.24/arch/mips/galileo-boards/ev64120/compressed/misc.c linux-2.4.25/arch/mips/galileo-boards/ev64120/compressed/misc.c
@@ -1,313 +0,0 @@
-/*
- * arch/mips/galileo/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
- * puts by Nick Holloway 1993, better puts by Martin Mares 1995
- * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
- *
- * Modified by RidgeRun Inc.
- */
-
-#include <linux/vmalloc.h>
-#include <asm/io.h>
-/*
- * gzip declarations
- */
-
-#define OF(args)  args
-#define STATIC static
-
-#define channel 1
-
-#undef memset
-#undef memcpy
-#define memzero(s, n)     memset ((s), 0, (n))
-
-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 = 0;	/* valid bytes in inbuf */
-static unsigned inptr = 0;	/* index of next byte to be processed in inbuf */
-static unsigned outcnt = 0;	/* 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 */
-
-void variable_init();
-static void puts(const char *);
-
-void int2hex(int i)
-{
-	int tth, th, h, t, d;
-
-	if (i > 99999) {
-		serial_putc(channel, "Error - int2hex outofbounds");
-		return;
-	}
-
-	tth = (i) / 10000;
-	th = (i - (tth * 10000)) / 1000;
-	h = (i - ((tth * 10000) + (th * 1000))) / 100;
-	t = (i - ((tth * 10000) + (th * 1000) + (h * 100))) / 10;
-	d = (i - ((tth * 10000) + (th * 1000) + (h * 100) + (t * 10)));
-	serial_putc(channel, tth + '0');
-	serial_putc(channel, th + '0');
-	serial_putc(channel, h + '0');
-	serial_putc(channel, t + '0');
-	serial_putc(channel, d + '0');
-}
-
-int checksum;
-int byte_count;
-static unsigned char *input_data;
-
-static int printCnt = 0;
-
-int get_byte()
-{
-	unsigned char c = (inptr < insize ? inbuf[inptr++] : fill_inbuf());
-	byte_count++;
-	checksum += c;
-
-	// if (printCnt++ < 150)
-	// {
-	//   puts("\n");
-	//   puts("byte count = ");
-	//   int2hex(byte_count & 0xff);
-	//   puts(" byte val = ");
-	//   int2hex(c);
-	//   puts(" checksum = ");
-	//   int2hex(checksum & 0xff);
-	//   puts("\n");
-	// }
-	return c;
-}
-
-/* Diagnostic functions */
-#ifdef DEBUG
-#  define Assert(cond,msg) {if(!(cond)) error(msg);}
-#  define Trace(x) fprintf x
-#  define Tracev(x) {if (verbose) fprintf x ;}
-#  define Tracevv(x) {if (verbose>1) fprintf x ;}
-#  define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-#  define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-#  define Assert(cond,msg)
-#  define Trace(x)
-#  define Tracev(x)
-#  define Tracevv(x)
-#  define Tracec(c,x)
-#  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 **);
-
-/*
- * This is set up by the setup-routine at boot-time
- */
-
-
-#define STACK_SIZE (4096)
-long user_stack[STACK_SIZE];
-long *stack_start = &user_stack[STACK_SIZE];
-
-extern int linux_compressed_start;
-extern int linux_compressed_size;
-extern int malloc_start;
-
-static int input_len;
-
-static long bytes_out = 0;
-extern int kernel_location_start;
-static uch *output_data;
-static unsigned long output_ptr = 0;
-
-
-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 unsigned long free_mem_ptr;
-static unsigned long free_mem_end_ptr;
-
-#include "../../../../../lib/inflate.c"
-
-static void *malloc(int size)
-{
-	void *p;
-
-	if (size < 0)
-		error("Malloc error\n");
-	//      if (free_mem_ptr <= 0) error("Memory error\n");
-
-	free_mem_ptr = (free_mem_ptr + 3) & ~3;	/* Align */
-
-	p = (void *) free_mem_ptr;
-	free_mem_ptr += size;
-
-	if (free_mem_ptr >= free_mem_end_ptr)
-		error("\nOut of memory\n");
-
-	return p;
-}
-
-static void free(void *where)
-{				/* Don't care */
-}
-
-static void gzip_mark(void **ptr)
-{
-	*ptr = (void *) free_mem_ptr;
-}
-
-static void gzip_release(void **ptr)
-{
-	free_mem_ptr = (long) *ptr;
-}
-
-static void puts(const char *s)
-{
-	while (*s) {
-		if (*s == 10)
-			serial_putc(channel, 13);
-		serial_putc(channel, *s++);
-	}
-}
-
-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;
-}
-
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-static int fill_inbuf(void)
-{
-	if (insize != 0) {
-		error("ran out of input data\n");
-	}
-
-	inbuf = input_data;
-	insize = input_len;
-	inptr = 1;
-	return inbuf[0];
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-static void flush_window(void)
-{
-	ulg c = crc;		/* temporary variable */
-	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;
-}
-
-check_mem()
-{
-	int i;
-
-	puts("\ncplens = ");
-	for (i = 0; i < 10; i++) {
-		int2hex(cplens[i]);
-		puts(" ");
-	}
-	puts("\ncplext = ");
-	for (i = 0; i < 10; i++) {
-		int2hex(cplext[i]);
-		puts(" ");
-	}
-	puts("\nborder = ");
-	for (i = 0; i < 10; i++) {
-		int2hex(border[i]);
-		puts(" ");
-	}
-	puts("\n");
-}
-
-static void error(char *x)
-{
-	check_mem();
-	puts("\n\n");
-	puts(x);
-	puts("byte_count = ");
-	int2hex(byte_count);
-	puts("\n");
-	puts("\n\n -- System halted");
-	while (1);		/* Halt */
-}
-
-void variable_init()
-{
-	byte_count = 0;
-	checksum = 0;
-	input_data = (unsigned char *) &linux_compressed_start;
-	input_len = linux_compressed_size;
-	output_data = &kernel_location_start;
-	free_mem_ptr = (long) &malloc_start;
-	free_mem_end_ptr = (long) ((char *) &malloc_start + 0x400000);
-}
-
-int decompress_kernel()
-{
-	//check_mem();
-
-	variable_init();
-
-	makecrc();
-	puts("Uncompressing Linux... \n");
-	gunzip();		// ...see inflate.c
-	puts("Ok, booting the kernel.\n");
-	return 0;
-}