gunzip(0x0, 0x400000, zimage_start, &zimage_size); 
gunzip(NULL, 0x400000, zimage_start, &zimage_size); 
decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum){#ifdef INTERACTIVE_CONSOLE	int timer = 0;	char ch;#endif	char *cp;	struct bi_record *rec;	unsigned long initrd_loc = 0, TotalMemory = 0;#if defined(CONFIG_SERIAL_8250_CONSOLE) || defined(CONFIG_SERIAL_MPSC_CONSOLE)	com_port = serial_init(0, NULL);#endif#if defined(CONFIG_44x) && defined(PPC44x_EMAC0_MR0)	/* Reset MAL */	mtdcr(DCRN_MALCR(DCRN_MAL_BASE), MALCR_MMSR);	/* Wait for reset */	while (mfdcr(DCRN_MALCR(DCRN_MAL_BASE)) & MALCR_MMSR) {};	/* Reset EMAC */	*(volatile unsigned long *)PPC44x_EMAC0_MR0 = 0x20000000;	__asm__ __volatile__("eieio");#endif	/*	 * Call get_mem_size(), which is memory controller dependent,	 * and we must have the correct file linked in here.	 */	TotalMemory = get_mem_size();	/* assume the chunk below 8M is free */	end_avail = (char *)0x00800000;	/*	 * Reveal where we were loaded at and where we	 * were relocated to.	 */	puts("loaded at:     "); puthex(load_addr);	puts(" "); puthex((unsigned long)(load_addr + (4*num_words)));	puts("\n");	if ( (unsigned long)load_addr != (unsigned long)&start )	{		puts("relocated to:  "); puthex((unsigned long)&start);		puts(" ");		puthex((unsigned long)((unsigned long)&start + (4*num_words)));		puts("\n");	}	/*	 * We link ourself to 0x00800000.  When we run, we relocate	 * ourselves there.  So we just need __image_begin for the	 * start. -- Tom	 */	zimage_start = (char *)(unsigned long)(&__image_begin);	zimage_size = (unsigned long)(&__image_end) -			(unsigned long)(&__image_begin);	initrd_size = (unsigned long)(&__ramdisk_end) -		(unsigned long)(&__ramdisk_begin);	/*	 * The zImage and initrd will be between start and _end, so they've	 * already been moved once.  We're good to go now. -- Tom	 */	avail_ram = (char *)PAGE_ALIGN((unsigned long)_end);	puts("zimage at:     "); puthex((unsigned long)zimage_start);	puts(" "); puthex((unsigned long)(zimage_size+zimage_start));	puts("\n");	if ( initrd_size ) {		puts("initrd at:     ");		puthex((unsigned long)(&__ramdisk_begin));		puts(" "); puthex((unsigned long)(&__ramdisk_end));puts("\n");	}	avail_ram = (char *)0x00400000;	end_avail = (char *)0x00800000;	puts("avail ram:     "); puthex((unsigned long)avail_ram); puts(" ");	puthex((unsigned long)end_avail); puts("\n");	if (keyb_present)		CRT_tstc();  /* Forces keyboard to be initialized */#ifdef CONFIG_GEMINI	/*	 * If cmd_line is empty and cmd_preset is not, copy cmd_preset	 * to cmd_line.  This way we can override cmd_preset with the	 * command line from Smon.	 */	if ( (cmd_line[0] == '\0') && (cmd_preset[0] != '\0'))		memcpy (cmd_line, cmd_preset, sizeof(cmd_preset));#endif	/* Display standard Linux/PPC boot prompt for kernel args */	puts("\nLinux/PPC load: ");	cp = cmd_line;	memcpy (cmd_line, cmd_preset, sizeof(cmd_preset));	while ( *cp ) putc(*cp++);#ifdef INTERACTIVE_CONSOLE	/*	 * If they have a console, allow them to edit the command line.	 * Otherwise, don't bother wasting the five seconds.	 */	while (timer++ < 5*1000) {		if (tstc()) {			while ((ch = getc()) != '\n' && ch != '\r') {				/* Test for backspace/delete */				if (ch == '\b' || ch == '\177') {					if (cp != cmd_line) {						cp--;						puts("\b \b");					}				/* Test for ^x/^u (and wipe the line) */				} else if (ch == '\030' || ch == '\025') {					while (cp != cmd_line) {						cp--;						puts("\b \b");					}				} else {					*cp++ = ch;					putc(ch);				}			}			break;  /* Exit 'timer' loop */		}		udelay(1000);  /* 1 msec */	}	*cp = 0;#endif	puts("\n");	puts("Uncompressing Linux...");	gunzip(0x0, 0x400000, zimage_start, &zimage_size);	puts("done.\n");	/* get the bi_rec address */	rec = bootinfo_addr(zimage_size);	/* We need to make sure that the initrd and bi_recs do not	 * overlap. */	if ( initrd_size ) {		unsigned long rec_loc = (unsigned long) rec;		initrd_loc = (unsigned long)(&__ramdisk_begin);		/* If the bi_recs are in the middle of the current		 * initrd, move the initrd to the next MB		 * boundary. */		if ((rec_loc > initrd_loc) &&				((initrd_loc + initrd_size) > rec_loc)) {			initrd_loc = _ALIGN((unsigned long)(zimage_size)					+ (2 << 20) - 1, (2 << 20));		 	memmove((void *)initrd_loc, &__ramdisk_begin,				 initrd_size);	         	puts("initrd moved:  "); puthex(initrd_loc);		 	puts(" "); puthex(initrd_loc + initrd_size);		 	puts("\n");		}	}	bootinfo_init(rec);	if ( TotalMemory )		bootinfo_append(BI_MEMSIZE, sizeof(int), (void*)&TotalMemory);	bootinfo_append(BI_CMD_LINE, strlen(cmd_line)+1, (void*)cmd_line);	/* add a bi_rec for the initrd if it exists */	if (initrd_size) {		unsigned long initrd[2];		initrd[0] = initrd_loc;		initrd[1] = initrd_size;		bootinfo_append(BI_INITRD, sizeof(initrd), &initrd);	}	puts("Now booting the kernel\n");	serial_close(com_port);	return rec;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/9a59f452abe11f569e13ec16c51e6d61c54b9838/misc.c/buggy/arch/ppc/boot/simple/misc.c