/* * vivi/lib/boot-kernel.c: copy the kernel image to ram, then execute it  * * */#include "config.h"#include "machine.h"#include "boot_kernel.h"#include "priv_data.h"#include "command.h"#include "vivi_string.h"#include "printk.h"#include "mmu.h"#include <types.h>#include <setup.h>#include <string.h>#define CE_OFFSET	0x200000#ifdef CONFIG_S3C2410_NAND_BOOTextern int nand_read_ll(unsigned char*, unsigned long, int);#endif/* * dst: destination address * src: source * size: size to copy * mt: type of storage device */static inline int copy_ce_img(ulong dst, const char *src, size_t size, int mt){	int ret = 0;	switch (mt) {		case MT_RAM:	/* 撈固 伐俊 樂欄骨肺 汗葷且 鞘夸 絕瀾 */			/* noting to do */			break;		case MT_SMC_S3C2410: 			ret = nand_read_ll((unsigned char *)dst, 					   (unsigned long)src, (int)size);			break;		default:			printk("Undefined media type.\n");			return -1;	}	return ret;}static inline int media_type_is(const char *mt){	if (strncmp("ram", mt, 3) == 0) {		return MT_RAM;	} else if (strncmp("nor", mt, 3) == 0) {		return MT_NOR_FLASH;	} else if (strncmp("smc", mt, 3) == 0) {		return MT_SMC_S3C2410;	} else {		return MT_UNKNOWN;	}}int boot_ce(ulong from, size_t size, int media_type){	int ret;	ulong boot_mem_base;	/* base address of bootable memory 嘎唱? */	ulong to;	ulong mach_type;	void (*F)(void);	boot_mem_base = get_param_value("boot_mem_base", &ret);	if (ret) {		printk("Can't get base address of bootable memory\n");		printk("Get default DRAM address. (0x%08lx\n", DRAM_BASE);		boot_mem_base = DRAM_BASE;	}	/* copy kerne image */	//to = boot_mem_base + CE_OFFSET;	to=0x30200000;	printk("Copy linux ce from 0x%08lx to 0x%08lx, size = 0x%08lx ... ",		from, to, size);	ret = copy_ce_img(to, (char *)from, size, media_type);	if (ret) {		printk("failed\n");		return -1;	} else {		printk("done\n");	}		/* Get machine type */	mach_type = get_param_value("mach_type", &ret);	printk("MACH_TYPE = %d\n", mach_type);	/* Go Go Go */	/* 咯扁鱉瘤 坷擱 撈惑竅烈??? */	exec_string("go 0x30200000");		        return 0;}	/* * User Commands */static inline void display_help(void){	printk("this command is boot wince\n");}void command_boot_ce(int argc, const char **argv){	int media_type = 0;	ulong from = 0;	size_t size = 0;	mtd_partition_t *kernel_part;	int ret;		switch (argc) {		case 1:			media_type = get_param_value("media_type", &ret);			if (ret) {				printk("Can't get default 'media_type'\n");				return;			}			kernel_part = get_mtd_partition("ce");			if (kernel_part == NULL) {				printk("Can't find default 'ce' partition\n");				return;			}			from = kernel_part->offset;			size = 0x2000000;			break;		case 2:		default:			display_help();			break;	}	boot_ce(from, size, media_type);		}user_command_t boot_ce_cmd = {	"bootce",	command_boot_ce,	NULL,	"bootce"};