/* * vivi/lib/load-file.c: Load a file via serial or usb. * * Copyright (C) 2002 MIZI Research, Inc. * * Author : Janghoon Lyu <nandy@mizi.com> * Date   : $Date: 2004/02/04 06:22:25 $ * * $Revision: 1.1.1.1 $ * * History * * 2002-06-27: Janghoon Lyu <nandy@mizi.com> *    - Initial code * * 2002-07-29: Janghoon Lyu <nandy@mizi.com> * * TODO: */#include "config.h"#include "command.h"#include "machine.h"#include <priv_data.h>#include "mtd/mtd.h"#include "xmodem.h"#include "printk.h"#include "serial.h"#include "vivi_string.h"#include <string.h>static int modem_is(const char *mt){	if (strncmp("x", mt, 1) == 0) {		return X_MODEM;	} else if (strncmp("y", mt, 1) == 0) {		return Y_MODEM;	} else if (strncmp("z", mt, 1) == 0) {		return Z_MODEM;	} else {		return UNKNOWN_MODEM;	}}static __u32 download_file(char *buf, size_t size, int modem){	switch (modem) {		case X_MODEM:			printk("Ready for downloading using xmodem...\n");			printk("Waiting...\n");			return xmodem_receive(buf, size);			break;		case Y_MODEM:			printk("Not support ymodem yet. Using xmodem\n");			printk("Ready for downling using xmodem\n");			printk("Waiting...\n");			return xmodem_receive(buf, size);			break;		case Z_MODEM:			printk("Not support zmodem yet. using xmodem\n");			printk("Ready for downling using xmodem\n");			printk("Wating...\n");			return xmodem_receive(buf, size);			break;		default:			printk("Not support this modem\n");			break;	}	return 0;}/* * Sub-commands */user_subcommand_t load_cmds[];/* * vivi> load ram <addr> <modem> * vivi> load ram <modem>  * */static void command_load_ram(int argc, const char **argv){	int ret;	char *buf = (char *)RAM_BASE;	size_t size;	__u32 retlen;	int modem = 0;	switch (argc) {	case 2:	/* load file to RAM_BASE */	  buf = (char *)RAM_BASE;	  size = 0;	  if ((modem = modem_is(argv[1])) == UNKNOWN_MODEM)	    goto error_parse_arg;	  break;	case 3:	  buf = (char *)strtoul(argv[1], NULL, 0, &ret);	  if (ret)	    goto error_parse_arg;	  size = 0;	  if ((modem = modem_is(argv[2])) == UNKNOWN_MODEM)	    goto error_parse_arg;	  break;	case 4:	  buf = (char *)strtoul(argv[1], NULL, 0, &ret);	  if (ret)	    goto error_parse_arg;	  size = (size_t)strtoul(argv[2], NULL, 0, &ret);	  if (ret)	    goto error_parse_arg;	  if ((modem = modem_is(argv[3])) == UNKNOWN_MODEM)	    goto error_parse_arg;	  break;	default:	  printk("invalid 'load ram' command: too few or many arguments\n");	  return;	}	retlen = download_file(buf, size, modem);	if (retlen == 0)	  goto error_download;	printk("downloaed file at 0x%08lx, size = %d bytes\n", buf, retlen);	return;error_parse_arg:	printk("Can't parsing argumets\n");error_download:	printk("Failed downloading file\n");	return;}static void command_load_flash(int argc, const char **argv){	int ret;	loff_t to; 	char *buf = (char *)RAM_BASE;	size_t size;	__u32 retlen;	int modem;	mtd_partition_t *dst_part;	int flag;	if (argc != 4 && argc != 3) {		printk("invalid 'load flash' command: too few or many arguments\n");	}	if (argc == 3) {		dst_part = get_mtd_partition(argv[1]);		if (dst_part == NULL) {			printk("Could not found \"%s\" partition\n", argv[1]);			return;		}		to = dst_part->offset;		size = dst_part->size;		flag = dst_part->flag;		modem = modem_is(argv[2]);	} else {		to = strtoul(argv[1], NULL, 0, &ret);		if (ret) goto error_parse_arg;		size = (size_t)strtoul(argv[2], NULL, 0, &ret);		if (ret) goto error_parse_arg;		modem = modem_is(argv[3]);		flag = 0;	}	retlen = download_file(buf, size, modem);	/* hacked by nandy. delay for serial output */	{ int i = 0x10000; while (i > 0) i--; }	if (retlen == 0) {		printk("Failed downloading file\n");		return;	}	printk("Downloaded file at 0x%08lx, size = %d bytes\n", buf, retlen);	if (retlen > size) {		printk("An image size is too large to write flash.			wanted = 0x%08lx, loaded = 0x%08lx\n", size, retlen);		return;	}	ret = write_to_flash(to, retlen, buf, flag);	return;error_parse_arg:	printk("Can't parsing argumets\n");	return;}static void command_help(int argc, const char **argv){	print_usage("load", load_cmds);}user_subcommand_t load_cmds[] = {{	"help",	command_help,	"help \t\t\t-- x = xmodem, ..."}, {	"flash",	command_load_flash,	"flash <mtd_part_name|addr length> <x|y|z> \t-- Load a file to Flash" }, {	"ram",	command_load_ram,	"ram [addr [length]] <x|y|z> \t\t-- Load a file to RAM " }, {	NULL,	NULL,	NULL}    };/* Main command */void command_load(int argc, const char **argv){	if (argc == 1) {		printk("invaild 'load' command: too few arguments\n");		command_help(0, NULL);		return;	}	execsubcmd(load_cmds, argc-1, argv+1);}user_command_t load_cmd = {	"load",	command_load,	NULL,	"load [{cmds}] \t\t\t-- Load a file to RAM/Flash"};