out.c

主要使用与C6000平台下

    OutInit();
    StroeBlock = CreateOut;
    TftpStart( argv[1], argv[2] ); /* 启动TFTP */
    while(! NetState )
    {
        len = tftp_read();
        if( len > 0 )
        {
            TftpHandler( len );
        }
        if( timeHandler && ( cticks - timeStart > timeDelta ))
            timeHandler();
    }
    /* 停止tftp */
    TftpStop();

    if( out_stat != STAT_END )
    {
        channel_printf( "load fail!\r\n" );
        return 1;
    }

    channel_printf( "zipping ...\r\n" );

    /* 计数烧写到flash中的地址,并且对.text段进行压缩 */
    for( i = 0; i < OutInfo.OutHead.num_sections; i ++ )
    {
        if( (( OutInfo.psection[i].sectionhead.virtual_addr >= CFG_FLASH_BASE )
            && OutInfo.psection[i].sectionhead.sizes ) ||
            ( i == DEBUG_INFO_INDEX ) ||
            ( i == DEBUG_ABBR_INDEX ))
        {
            if( OutInfo.psection[i].sectionhead.name != 0 &&
                strcmp(( char *)OutInfo.psection[i].sectionhead.name, ".text" ) == 0 )
            {
                idx_text = i;
                /* 分配text节大小数据空间 */
                zip_out_ptr = ( char *)malloc( OutInfo.psection[i].raw_bytes_recved );
                if( zip_out_ptr == 0 )
                {
                    /* 如果没有足够空间分配 */
                    channel_printf( "no memory malloc %s: %d\r\n", __FILE__, __LINE__ );
                    return 1; /* 返回失败代码 */
                }
                /* 压缩TEXT */
                OutInfo.psection[i].raw_bytes_recved = zipmem( ( char *)OutInfo.psection[i].prawdata,
                    OutInfo.psection[i].raw_bytes_recved, zip_out_ptr );
                free( OutInfo.psection[i].prawdata ); /* 释放压缩前内存空间 */
                high_addr = OutInfo.psection[i].sectionhead.virtual_addr + OutInfo.psection[i].raw_bytes_recved;
                /* 申请解压后的空间 */
                OutInfo.psection[i].prawdata = ( unsigned char *)malloc( OutInfo.psection[i].raw_bytes_recved );
                if( OutInfo.psection[i].prawdata == 0 )
                {
                    /* 如果没有足够空间分配 */
                    channel_printf( "no memory malloc %s: %d\r\n", __FILE__, __LINE__ );
                    return 1; /* 返回失败代码 */
                }
                memcpy( OutInfo.psection[i].prawdata, zip_out_ptr, OutInfo.psection[i].raw_bytes_recved );
                free( zip_out_ptr ); /* 释放空间 */
            }
            if( i != DEBUG_ABBR_INDEX && i != DEBUG_INFO_INDEX )
                if( low_addr > OutInfo.psection[i].sectionhead.virtual_addr )
                low_addr = OutInfo.psection[i].sectionhead.virtual_addr;
            OutInfo.psection[i].flag = 1;
        }
        else
        {
            if( OutInfo.psection[i].sectionhead.name != 0 &&
                strcmp(( char *)OutInfo.psection[i].sectionhead.name, ".far" ) == 0 )
            {
                /* 查找far节 */
                idx_far = i;
            }
            else if( OutInfo.psection[i].sectionhead.name != 0 &&
                strcmp(( char *)OutInfo.psection[i].sectionhead.name, ".bss" ) == 0 )
            {
                /* 查找bss节 */
                idx_bss = i;
            }
            if( OutInfo.psection[i].prawdata )
            {
                free( OutInfo.psection[i].prawdata );
                OutInfo.psection[i].prawdata = 0;
            }
        }
    }

    /* 再次轮询全部节点,确定debug_info与debug_abbre节的烧写地址 */
    for( i = 0; i < OutInfo.OutHead.num_sections; i ++ )
    {
        if( i == DEBUG_INFO_INDEX || i == DEBUG_ABBR_INDEX )
        {
            high_addr = ( high_addr + 3 ) & ~ 0x03; /* 确认为4字节对齐 */
            zip_out_ptr = ( char *)malloc( OutInfo.psection[i].raw_bytes_recved );
            if( zip_out_ptr == 0 )
            {
                /* 如果没有足够空间分配 */
                channel_printf( "no memory malloc %s: %d\r\n", __FILE__, __LINE__ );
                return 1; /* 返回失败代码 */
            }
            OutInfo.psection[i].raw_bytes_recved = zipmem( ( char *)OutInfo.psection[i].prawdata,
                OutInfo.psection[i].raw_bytes_recved, zip_out_ptr );
#ifdef OS_WINDOWS
            if( i == DEBUG_INFO_INDEX )
                ptr_info = OutInfo.psection[i].prawdata;
            else
                ptr_abbrev = OutInfo.psection[i].prawdata;
#else
            free( OutInfo.psection[i].prawdata ); /* 释放压缩前内存空间 */
#endif
            /* 申请解压后的空间 */
            OutInfo.psection[i].prawdata = ( unsigned char *)malloc( OutInfo.psection[i].raw_bytes_recved );
            if( OutInfo.psection[i].prawdata == 0 )
            {
                /* 如果没有足够空间分配 */
                channel_printf( "no memory malloc %s: %d\r\n", __FILE__, __LINE__ );
                return 1; /* 返回失败代码 */
            }
            memcpy( OutInfo.psection[i].prawdata, zip_out_ptr, OutInfo.psection[i].raw_bytes_recved );
            free( zip_out_ptr );
            /* 烧写flash的高地址 */
            OutInfo.psection[i].sectionhead.virtual_addr = high_addr;
            high_addr = OutInfo.psection[i].sectionhead.virtual_addr + OutInfo.psection[i].raw_bytes_recved;
        }
    }
    adjust_addr(& low_addr,& high_addr ); /* 调整扇区烧写范围 */
    channel_printf( "low addr = 0x%08x, high addr = 0x%08x\r\n", low_addr, high_addr );
#ifndef OS_WINDOWS
    channel_printf( "eraseing ...\r\n" );
    flash_sect_erase( low_addr, high_addr );
    channel_printf( "flashing ...\r\n" );
    for( i = 0; i < OutInfo.OutHead.num_sections; i ++ )
    {
        if( OutInfo.psection[i].flag )
        {
            unsigned int size;
            if( OutInfo.psection[i].sectionhead.virtual_addr == CFG_FLASH_BASE )
            {
                /* 找到启动扇区 */
                *( unsigned int *)& OutInfo.psection[i].prawdata[DEBUG_INFO_ADDR] =
                    OutInfo.psection[DEBUG_INFO_INDEX].sectionhead.virtual_addr;
                *( unsigned int *)& OutInfo.psection[i].prawdata[DEBUG_INFO_LEN] =
                    OutInfo.psection[DEBUG_INFO_INDEX].raw_bytes_recved;
                *( unsigned int *)& OutInfo.psection[i].prawdata[DEBUG_ABBR_ADDR] =
                    OutInfo.psection[DEBUG_ABBR_INDEX].sectionhead.virtual_addr;;
                *( unsigned int *)& OutInfo.psection[i].prawdata[DEBUG_ABBR_LEN] =
                    OutInfo.psection[DEBUG_ABBR_INDEX].raw_bytes_recved;
                *( unsigned int *)& OutInfo.psection[i].prawdata[TEXT_LOAD_ADDR] =
                    OutInfo.psection[idx_text].sectionhead.virtual_addr;;
                *( unsigned int *)& OutInfo.psection[i].prawdata[TEXT_LOAD_LEN] =
                    OutInfo.psection[idx_text].raw_bytes_recved;
                *( unsigned int *)& OutInfo.psection[i].prawdata[TEXT_RUN_ADDR] =
                    OutInfo.psection[idx_text].sectionhead.physcial_addr;
                *( unsigned int *)& OutInfo.psection[i].prawdata[TEXT_RUN_LEN] =
                    OutInfo.psection[idx_text].sectionhead.sizes;
                *( unsigned int *)& OutInfo.psection[i].prawdata[FAR_RUN_ADDR] =
                    OutInfo.psection[idx_far].sectionhead.physcial_addr;
                *( unsigned int *)& OutInfo.psection[i].prawdata[FAR_RUN_LEN] =
                    OutInfo.psection[idx_far].sectionhead.sizes;
                *( unsigned int *)& OutInfo.psection[i].prawdata[BSS_RUN_ADDR] =
                    OutInfo.psection[idx_bss].sectionhead.physcial_addr;
                *( unsigned int *)& OutInfo.psection[i].prawdata[BSS_RUN_LEN] =
                    OutInfo.psection[idx_bss].sectionhead.sizes;
                /* 保存压缩前DEBUG_INFO 长度 */
                *( unsigned int *)& OutInfo.psection[i].prawdata[DEBUG_INFO_UNZIPLEN] =
                    OutInfo.psection[DEBUG_INFO_INDEX].sectionhead.sizes;
                /* 保存压缩前DEBUG_ABBRV长度 */
                *( unsigned int *)& OutInfo.psection[i].prawdata[DEBUG_ABBR_UNZIPLEN] =
                    OutInfo.psection[DEBUG_ABBR_INDEX].sectionhead.sizes;
                size = BOOTRAM_LEN; /* 烧写启动长度 */
            }
            else
                size =  OutInfo.psection[i].raw_bytes_recved;
            flash_write(( unsigned char * )OutInfo.psection[i].prawdata,
                OutInfo.psection[i].sectionhead.virtual_addr, size );
        }
    }
    channel_printf( ".done\r\n" );
#else
    /* 解压到原来的位置 */
    old_info_len = unzipmem( OutInfo.psection[DEBUG_INFO_INDEX].prawdata,
        OutInfo.psection[DEBUG_INFO_INDEX].raw_bytes_recved, ptr_info );
    /* 解压到原来的位置 */
    old_abbrev_len = unzipmem( OutInfo.psection[DEBUG_ABBR_INDEX].prawdata,
        OutInfo.psection[DEBUG_ABBR_INDEX].raw_bytes_recved, ptr_abbrev );
    dwarf2_init( ptr_info, old_info_len, ptr_abbrev, old_abbrev_len );
    dwarf2_build_symtabs();
    free( ptr_info );
    free( ptr_abbrev );
#endif
    FreeOut();
    return 0;
}

int do_reset( struct cmd_tbl_s * cmdtp, int flag, int argc, char * argv[] )
{
    go exe;
    char * src,* dst;

    disable_interrupt( );
    dst = ( char *)0; /* 目的地址 */
    src = ( char *)CFG_FLASH_BASE; /* 源地址 */
    /* 手动拷贝到0地址 */
    memcpy( dst, src, BOOTRAM_LEN );
    exe = ( go )0;

    exe();
    return 0;
}