C++ (Cpp) mt_part_get_partition示例

示例#1

文件： env.c 项目： amadews/j608_fly_4511

static int write_env_area(char *env_buf)
{
	part_t *part;	
    part_dev_t *dev;

	long len;
	int i,checksum = 0;
#ifdef MTK_EMMC_SUPPORT
	unsigned long long start_addr;
#elif defined(MTK_NAND_SUPPORT) 
	unsigned long start_addr; 
#endif

	dev = mt_part_get_device();
	if (!dev)
	{	return -ENODEV;
	}

	part = mt_part_get_partition(ENV_PART);
	if (!part)
	{	return -ENOENT;
	}

#ifdef MTK_EMMC_SUPPORT
	start_addr = (u64)part->startblk * BLK_SIZE; 
#elif defined(MTK_NAND_SUPPORT) 
	start_addr = part->startblk * BLK_SIZE;    
#endif 

	memcpy(env_buf,ENV_SIG,sizeof(g_env.sig));
	memcpy(env_buf+CFG_ENV_SIG_1_OFFSET,ENV_SIG,sizeof(g_env.sig));

	for(i=0;i<(int)CFG_ENV_DATA_SIZE;i++){
		checksum += *(env_buf+CFG_ENV_DATA_OFFSET+i);
	}
	printf("checksum %d\n",checksum);

	*((int *)env_buf+CFG_ENV_CHECKSUM_OFFSET/4) = checksum;

	
#if defined(MTK_EMMC_SUPPORT) && defined(MTK_NEW_COMBO_EMMC_SUPPORT)
	len = dev->write(dev, (uchar*)env_buf, start_addr + CFG_ENV_OFFSET, CFG_ENV_SIZE, part->part_id);	 
#else
    len = -1;
#endif
	if (len < 0) {
		return -EIO;
	}

	return 0;

}

示例#2

文件： kdump_card_dump.c 项目： foric/lk-lollipop

part_t *card_dump_init(int dev, const char *part_name)
{
    part_t *part = mt_part_get_partition((char *)part_name);
    if (part == NULL) {
        return NULL;
    }
#ifdef MTK_GPT_SCHEME_SUPPORT
    voprintf_info("%s offset: %lu, size: %lu Mb\n", part->info->name, part->start_sect, (part->nr_sects * BLK_SIZE) / 0x100000UL);
#else
    voprintf_info("%s offset: %lu, size: %lu Mb\n", part->name, part->startblk, (part->blknum * BLK_SIZE) / 0x100000UL);
#endif

    return part;
}

示例#3

文件： sec_wrapper_legacy.c 项目： foric/lk-lollipop

int sec_dev_write_wrapper(char *part_name, u64 offset, u8* data, u32 size)
{
    part_dev_t *dev;
    long len;
#ifdef MTK_EMMC_SUPPORT
#ifdef MTK_NEW_COMBO_EMMC_SUPPORT
    part_t *part;
#endif
#endif

    dev = mt_part_get_device();    
   	if (!dev)	
   	    return PART_GET_DEV_FAIL;


#ifndef MTK_EMMC_SUPPORT
    if(nand_erase(offset,(u64)size)!=0){
        return PART_ERASE_FAIL;
    }
#endif    

#ifdef MTK_EMMC_SUPPORT
#ifdef MTK_NEW_COMBO_EMMC_SUPPORT
   	part = mt_part_get_partition(part_name);
   	if (!part){    
   	    dprintf(CRITICAL,"[write_wrapper] mt_part_get_partition error, name: %s\n", part_name);
   	    ASSERT(0);
    }

    len = dev->write(dev, (uchar *) data, offset, size, part->part_id);
#else
    len = dev->write(dev, (uchar *) data, offset, size);
#endif
#else
	#ifdef MTK_NEW_COMBO_EMMC_SUPPORT
	len = dev->write(dev, (uchar *) data, offset, size, NAND_PART_USER);
	#else
    len = dev->write(dev, (uchar *) data, offset, size);
	#endif
#endif
    if (len != (int)size)
    {
        return PART_WRITE_FAIL;
    }

    return B_OK;
}

示例#4

文件： sec_wrapper_legacy.c 项目： foric/lk-lollipop

int sec_dev_read_wrapper(char *part_name, u64 offset, u8* data, u32 size)
{
    part_dev_t *dev;
    long len;
#ifdef MTK_EMMC_SUPPORT
#ifdef MTK_NEW_COMBO_EMMC_SUPPORT
    part_t *part;
#endif
#endif

    dev = mt_part_get_device();    
   	if (!dev){	
   	    return PART_GET_DEV_FAIL;
   	}


#ifdef MTK_EMMC_SUPPORT
#ifdef MTK_NEW_COMBO_EMMC_SUPPORT
        part = mt_part_get_partition(part_name);
        if (!part){    
            dprintf(CRITICAL,"[read_wrapper] mt_part_get_partition error, name: %s\n", part_name);
            ASSERT(0);
        }
        len = dev->read(dev, offset, (uchar *) data, size, part->part_id);
#else
    len = dev->read(dev, offset, (uchar *) data, size);
#endif
#else
	#ifdef MTK_NEW_COMBO_EMMC_SUPPORT
	len = dev->read(dev, offset, (uchar *) data, size, NAND_PART_USER);
	#else
    len = dev->read(dev, offset, (uchar *) data, size);
	#endif
#endif
    if (len != (int)size)
    {
        return PART_READ_FAIL;
    }

    return B_OK;
}

示例#5

文件： env.c 项目： amadews/j608_fly_4511

static int read_env_area(char *env_buf)
{
	part_t *part;	
    part_dev_t *dev;
	long len;
#ifdef MTK_EMMC_SUPPORT
	unsigned long long start_addr;
#elif defined(MTK_NAND_SUPPORT) 
	unsigned long start_addr; 
#endif

	dev = mt_part_get_device();
    if (!dev)
    {	return -ENODEV;
    }

    part = mt_part_get_partition(ENV_PART);
    if (!part)
    {	return -ENOENT;
    }

#ifdef MTK_EMMC_SUPPORT
	start_addr = (u64)part->startblk * BLK_SIZE; 
#elif defined(MTK_NAND_SUPPORT) 
    start_addr = part->startblk * BLK_SIZE;    
#endif 

#if defined(MTK_EMMC_SUPPORT) && defined(MTK_NEW_COMBO_EMMC_SUPPORT)
	len = dev->read(dev, start_addr + CFG_ENV_OFFSET, (uchar*)env_buf, CFG_ENV_SIZE, part->part_id);    
#else
    len = -1;
#endif
    if (len < 0) {
		return -EIO;
    }
	return 0;
}