claunia/edccchk
1
0
Fork 0
mirror of https://github.com/claunia/edccchk.git synced 2025-12-16 19:24:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added DEBUG printfs.

Browse Source
This commit is contained in:
Natalia Portillo
2014-03-15 18:48:07 +00:00
parent d75d082cdf
commit 24dce6c8cf
1 changed files with 43 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
edccchk.c
View File

@@ -67,6 +67,13 @@
////////////////////////////////////////////////////////////////////////////////
#ifdef DEBUG
#define DPRINTF(fmt, ...) \
do { printf("edccchk-debug: " fmt , ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#endif
static uint32_t get32lsb(const uint8_t* src) {
return
(((uint32_t)(src[0])) << 0) |
@@ -99,6 +106,7 @@ static uint8_t ecc_b_lut[256];
static uint32_t edc_lut [256];
static void eccedc_init(void) {
DPRINTF("Entering eccedc_init().\n");
size_t i;
for(i = 0; i < 256; i++) {
uint32_t edc = i;
@@ -121,6 +129,7 @@ static uint32_t edc_compute(
const uint8_t* src,
size_t size
) {
DPRINTF("Entering edc_compute(%d, *%d, %d).\n");
for(; size; size--) {
edc = (edc >> 8) ^ edc_lut[(edc ^ (*src++)) & 0xFF];
}
@@ -141,6 +150,7 @@ static int8_t ecc_checkpq(
size_t minor_inc,
const uint8_t* ecc
) {
DPRINTF("Entering ecc_checkpq(*%d, *%d, %d, %d, %d, %d, *%d).\n");
size_t size = major_count * minor_count;
size_t major;
for(major = 0; major < major_count; major++) {
@@ -181,6 +191,7 @@ static int8_t ecc_checksector(
const uint8_t *data,
const uint8_t *ecc
) {
DPRINTF("Entering ecc_checksector(*%d, *%d, *%d).\n");
return
ecc_checkpq(address, data, 86, 24, 2, 86, ecc) && // P
ecc_checkpq(address, data, 52, 43, 86, 88, ecc + 0xAC); // Q
@@ -227,6 +238,7 @@ static void setcounter_analyze(off_t n) {
static int8_t ecmify(
const char* infilename
) {
DPRINTF("Entering ecmify(\"%s\").\n", infilename);
int8_t returncode = 0;
FILE* in = NULL;
@@ -249,6 +261,7 @@ static int8_t ecmify(
//
// Allocate space for queue
//
DPRINTF("ecmify(): Allocation memory for queue.\n");
queue = malloc(queue_size);
if(!queue) {
printf("Out of memory\n");
@@ -258,6 +271,7 @@ static int8_t ecmify(
//
// Open both files
//
DPRINTF("ecmify(): Opening file \"%s\".\n", infilename);
in = fopen(infilename, "rb");
if(!in) { goto error_in; }
@@ -266,8 +280,10 @@ static int8_t ecmify(
//
// Get the length of the input file
//
DPRINTF("ecmify(): Seeking to end of file.\n");
if(fseeko(in, 0, SEEK_END) != 0) { goto error_in; }
input_file_length = ftello(in);
DPRINTF("ecmify(): Got file length %d.\n", input_file_length);
if(input_file_length < 0) { goto error_in; }
resetcounter(input_file_length);
@@ -286,6 +302,7 @@ static int8_t ecmify(
totalsectors= 0;
totalerrors= 0;
DPRINTF("ecmify(): Entering main loop.\n");
for(;;) {
int8_t detecttype = 0;
@@ -296,12 +313,14 @@ static int8_t ecmify(
(queue_bytes_available < 2352) &&
(((off_t)queue_bytes_available) < (input_file_length - input_bytes_queued))
) {
DPRINTF("ecmify(): Refilling queue.\n");
//
// We need to read more data
//
off_t willread = input_file_length - input_bytes_queued;
off_t maxread = queue_size - queue_bytes_available;
if(willread > maxread) {
DPRINTF("Will read maximum.\n");
willread = maxread;
}
@@ -331,6 +350,7 @@ static int8_t ecmify(
}
if(queue_bytes_available == 0) {
DPRINTF("ecmify(): No data left in queue.\n");
//
// No data left to read -> quit
//
@@ -356,10 +376,12 @@ static int8_t ecmify(
sector[0x00B] == 0x00
)
{
DPRINTF("ecmify(): Data sector, address %02X:%02X:%02X.\n", sector[0x00C], sector[0x00D], sector[0x00E]);
// Just for debug
// fprintf(stderr, "Address: %02X:%02X:%02X\n", sector[0x00C], sector[0x00D], sector[0x00E]);
if(sector[0x00F] == 0x00) // mode (1 byte)
{
DPRINTF("ecmify(): Mode 0 sector at address %02X:%02X:%02X.\n", sector[0x00C], sector[0x00D], sector[0x00E]);
mode0sectors++;
for(int i=0x010;i < 0x930;i++)
{
@@ -374,6 +396,7 @@ static int8_t ecmify(
}
else if(sector[0x00F] == 0x01) // mode (1 byte)
{
DPRINTF("ecmify(): Mode 1 sector at address %02X:%02X:%02X.\n", sector[0x00C], sector[0x00D], sector[0x00E]);
mode1sectors++;
if(
!ecc_checksector(
@@ -404,6 +427,7 @@ static int8_t ecmify(
}
else if(sector[0x00F] == 0x02) // mode (1 byte)
{
DPRINTF("ecmify(): Mode 2 sector at address %02X:%02X:%02X.\n", sector[0x00C], sector[0x00D], sector[0x00E]);
uint8_t* m2sec = sector + 0x10;
if((sector[0x012] & 0x20) == 0x20) // mode 2 form 2
@@ -412,17 +436,17 @@ static int8_t ecmify(
if(edc_compute(0, m2sec, 0x91C) != get32lsb(m2sec + 0x91C) && get32lsb(m2sec + 0x91C) != 0)
{
fprintf(stderr, "Mode 2 form 2 sector with error at address: %02X:%02X:%02X\n", sector[0x00C], sector[0x00D], sector[0x00E]);
if(edc_compute(0, m2sec, 0x91C) != get32lsb(m2sec + 0x91C))
if(edc_compute(0, m2sec, 0x91C) != get32lsb(m2sec + 0x91C))
fprintf(stderr, "%02X:%02X:%02X: Failed EDC\n", sector[0x00C], sector[0x00D], sector[0x00E]);
mode2f2errors++;
totalerrors++;
totalerrors++;
}
if(sector[0x010] != sector[0x014] || sector[0x011] != sector[0x015] || sector[0x012] != sector[0x016] || sector[0x013] != sector[0x017])
{
mode2f2warnings++;
totalwarnings++;
fprintf(stderr, "Subheader copies differ in mode 2 form 2 sector at address: %02X:%02X:%02X\n", sector[0x00C], sector[0x00D], sector[0x00E]);
}
{
mode2f2warnings++;
totalwarnings++;
fprintf(stderr, "Subheader copies differ in mode 2 form 2 sector at address: %02X:%02X:%02X\n", sector[0x00C], sector[0x00D], sector[0x00E]);
}
}
else
{
@@ -443,23 +467,25 @@ static int8_t ecmify(
if(!ecc_checkpq(zeroaddress, m2sec, 52, 43, 86, 88, m2sec + 0x80C))
fprintf(stderr, "%02X:%02X:%02X: Failed ECC Q\n", sector[0x00C], sector[0x00D], sector[0x00E]);
mode2f1errors++;
totalerrors++;
totalerrors++;
}
if(sector[0x010] != sector[0x014] || sector[0x011] != sector[0x015] || sector[0x012] != sector[0x016] || sector[0x013] != sector[0x017])
{
mode2f1warnings++;
totalwarnings++;
totalwarnings++;
fprintf(stderr, "Subheader copies differ in mode 2 form 1 sector at address: %02X:%02X:%02X\n", sector[0x00C], sector[0x00D], sector[0x00E]);
}
}
}
else // Unknown sector mode!!!
{
DPRINTF("ecmify(): Unknown data sector with mode %d at address %02X:%02X:%02X.\n", sector[0x00F], sector[0x00C], sector[0x00D], sector[0x00E]);
nondatasectors++;
}
}
else // Non data sector
{
DPRINTF("ecmify(): Non-data sector.\n");
nondatasectors++;
}
@@ -476,6 +502,11 @@ static int8_t ecmify(
input_bytes_checked += 2352;
queue_start_ofs += 2352;
queue_bytes_available -= 2352;
DPRINTF("ecmify.totalsectors = %d\n", totalsectors);
DPRINTF("ecmify.input_bytes_checked = %d\n", input_bytes_checked);
DPRINTF("ecmify.queue_start_ofs = %d\n", queue_start_ofs);
DPRINTF("ecmify.queue_bytes_available = %d\n", queue_bytes_available);
}
//
@@ -520,11 +551,14 @@ done:
}
int main(int argc, char** argv) {
DPRINTF("Entering main().\n");
int returncode = 0;
char* infilename = NULL;
DPRINTF("Normalizing argv[0].\n");
normalize_argv0(argv[0]);
DPRINTF("Showing banner.\n");
banner();
//