/*?biossums.c??---?written?by?Eike?W.?*/

#include?
#include?

typedef?unsigned?char?byte;

void?check（?int?value?char*?message?）;

#define?LEN_BIOS_DATA?0x10000
#define?MAX_OFFSET????（LEN_BIOS_DATA?-?1）


#define?BIOS_OFFSET?0xFFFF

long?chksum_bios_get_offset（?byte*?data?long?offset?）;
byte?chksum_bios_calc_value（?byte*?data?long?offset?）;
byte?chksum_bios_get_value（??byte*?data?long?offset?）;
void?chksum_bios_set_value（??byte*?data?long?offset?byte?value?）;


#define?_32__LEN?????????9
#define?_32__CHKSUM?????10

#define?_32__MINHDR?????16

long?chksum__32__get_offset（?byte*?data?long?offset?）;
byte?chksum__32__calc_value（?byte*?data?long?offset?）;
byte?chksum__32__get_value（??byte*?data?long?offset?）;
void?chksum__32__set_value（??byte*?data?long?offset?byte?value?）;


#define?_MP__LEN?????????8
#define?_MP__CHKSUM?????10

#define?_MP__MINHDR?????16

long?chksum__mp__get_offset（?byte*?data?long?offset?）;
byte?chksum__mp__calc_value（?byte*?data?long?offset?）;
byte?chksum__mp__get_value（??byte*?data?long?offset?）;
void?chksum__mp__set_value（??byte*?data?long?offset?byte?value?）;


#define?PCMP_baseLEN?????4
#define?PCMP_CHKSUM??????7
#define?PCMP_EXT_LEN????40
#define?PCMP_EXT_CHKSUM?42

#define?PCMP_MINHDR?????42

long?chksum_pcmp_get_offset（?byte*?data?long?offset?）;
byte?chksum_pcmp_calc_value（?byte*?data?long?offset?）;
byte?chksum_pcmp_get_value（??byte*?data?long?offset?）;
void?chksum_pcmp_set_value（??byte*?data?long?offset?byte?value?）;

byte?bios_data[LEN_BIOS_DATA];


int?main（?int?argc?char*?argv[]?）?{

??FILE*?stream;
??long??offset?tmp_offset;
??byte??cur_val?=?0?new_val?=?0;
??int???hits;


??if（?argc?!=?2?）?{
????printf（?“Error.?Need?a?file-name?as?an?argument.\n“?）;
????exit（?EXIT_FAILURE?）;
??}

??if（（?stream?=?fopen（?argv[1]?“rb“?））?==?NULL?）?{
????printf（?“Error?opening?%s?for?reading.\n“?argv[1]?）;
????exit（?EXIT_FAILURE?）;
??}
??if（?fread（?bios_data?1?LEN_BIOS_DATA?stream?）?????printf（?“Error?reading?64KBytes?from?%s.\n“?argv[1]?）;
????fclose（?stream?）;
????exit（?EXIT_FAILURE?）;
??}
??fclose（?stream?）;

??hits???=?0;
??offset?=?0L;
??while（?（tmp_offset?=?chksum__32__get_offset（?bios_data?offset?））?!=?-1L?）?{
????offset??=?tmp_offset;
????cur_val?=?chksum__32__get_value（??bios_data?offset?）;
????new_val?=?chksum__32__calc_value（?bios_data?offset?）;
????printf（?“\n\nPCI-Bios?header?at:?0x%4lX\n“?offset??）;
????printf（?“Current?checksum:?????0x%02X\n“???cur_val?）;
????printf（?“Calculated?checksum:??0x%02X??“???new_val?）;
????hits++;
??}
??if（?hits?==?1?&&?cur_val?!=?new_val?）?{
????printf（?“Setting?checksum.“?）;
????chksum__32__set_value（?bios_data?offset?new_val?）;
??}
??if（?hits?>=?2?）?{
????printf（?“Multiple?PCI?headers!?No?checksum?set.“?）;
??}
??if（?hits?）?{
????printf（?“\n“?）;
??}


??hits???=?0;
??offset?=?0L;
??while（?（tmp_offset?=?chksum__mp

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-06-01?22:28??Bin\
?????目錄???????????0??2019-06-01?22:28??Bin\ASM\
?????文件???????20634??2019-06-01?22:28??Bin\ASM\DEBUG.EXE
?????文件????????2855??2019-06-01?22:28??Bin\ASM\DEBUG.PIF
?????文件???????90720??2019-06-01?22:28??Bin\ASM\DEBUG32.EXE
?????文件????????2855??2019-06-01?22:28??Bin\ASM\DEBUG32.PIF
?????文件??????????48??2019-06-01?22:28??Bin\ASM\enter.txt
?????文件??????364544??2019-06-01?22:28??Bin\ASM\link.EXE
?????文件???????49152??2019-06-01?22:28??Bin\ASM\MASM.EXE
?????文件????????9287??2019-06-01?22:28??Bin\ASM\ML.ERR
?????文件??????388608??2019-06-01?22:28??Bin\ASM\ML.EXE
?????文件??????????24??2019-06-01?22:28??Bin\ASM\RunBat.bat
?????文件??????136018??2019-06-01?22:28??Bin\ASM\TASM.EXE
?????文件??????184320??2019-06-01?22:28??Bin\ASM\TASM32.EXE
?????文件??????773468??2019-06-01?22:28??Bin\ASM\Td.exe
?????文件????????2855??2019-06-01?22:28??Bin\ASM\Td.PIF
?????目錄???????????0??2019-06-01?22:28??Bin\BC\
?????文件??????672150??2019-06-01?22:28??Bin\BC\BCC.EXE
?????文件???????22212??2019-06-01?22:28??Bin\BC\DPMILOAD.EXE
?????文件???????24932??2019-06-01?22:28??Bin\BC\DPMIMEM.DLL
?????文件??????120853??2019-06-01?22:28??Bin\BC\RTM.EXE
?????文件??????????46??2019-06-01?22:28??Bin\BC\RunBatPath.bat
?????文件??????129266??2019-06-01?22:28??Bin\BC\TASM.EXE
?????文件??????120704??2019-06-01?22:28??Bin\BC\TDUMP.EXE
?????文件??????150569??2019-06-01?22:28??Bin\BC\Tlink.EXE
?????文件??????120426??2019-06-01?22:28??Bin\BC\Tlink7.EXE
?????目錄???????????0??2019-06-01?22:28??Bin\C++\
?????文件??????682545??2019-06-01?22:28??Bin\C++\C1.DLL
?????文件?????1206323??2019-06-01?22:28??Bin\C++\C1XX.DLL
?????文件??????737329??2019-06-01?22:28??Bin\C++\C2.DLL
?????文件???????51200??2019-06-01?22:27??Bin\C++\CL.EXE
............此處省略2306個文件信息