aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Corrected byte addressing for MMC/SD.

Browse Source
This commit is contained in:
Natalia Portillo
2017-09-29 12:49:08 +00:00
parent 74e4dadbdc
commit efb7331a98
2 changed files with 16 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
DiscImageChef.Core/Devices/Dumping/SecureDigital.cs
View File

@@ -94,6 +94,7 @@ namespace DiscImageChef.Core.Devices.Dumping
byte[] scr = null;
uint[] response;
int physicalBlockSize = 0;
bool byteAddressed = true;
if(dev.Type == DeviceType.MMC)
{
@@ -111,6 +112,8 @@ namespace DiscImageChef.Core.Devices.Dumping
physicalBlockSize = 512;
else if(ecsdDecoded.NativeSectorSize == 1)
physicalBlockSize = 4096;
// Supposing it's high-capacity MMC if it has Extended CSD...
byteAddressed = false;
}
else
ecsd = null;
@@ -142,6 +145,8 @@ namespace DiscImageChef.Core.Devices.Dumping
csdDecoded = Decoders.SecureDigital.Decoders.DecodeCSD(csd);
blocks = (ulong)(csdDecoded.Structure == 0 ? (csdDecoded.Size + 1) * Math.Pow(2, csdDecoded.SizeMultiplier + 2) : (csdDecoded.Size + 1) * 1024);
blockSize = (uint)Math.Pow(2, csdDecoded.ReadBlockLength);
// Structure >=1 for SDHC/SDXC, so that's block addressed
byteAddressed = csdDecoded.Structure == 0;
}
else
csd = null;
@@ -243,7 +248,7 @@ namespace DiscImageChef.Core.Devices.Dumping
while(true)
{
error = dev.Read(out cmdBuf, out response, 0, blockSize, blocksToRead, false, timeout, out duration);
error = dev.Read(out cmdBuf, out response, 0, blockSize, blocksToRead, byteAddressed, timeout, out duration);
if(error)
blocksToRead /= 2;
@@ -295,7 +300,7 @@ namespace DiscImageChef.Core.Devices.Dumping
DicConsole.Write("\rReading sector {0} of {1} ({2:F3} MiB/sec.)", i, blocks, currentSpeed);
error = dev.Read(out cmdBuf, out response, (uint)i, blockSize, blocksToRead, false, timeout, out duration);
error = dev.Read(out cmdBuf, out response, (uint)i, blockSize, blocksToRead, byteAddressed, timeout, out duration);
if(!error)
{
@@ -350,7 +355,7 @@ namespace DiscImageChef.Core.Devices.Dumping
DicConsole.Write("\rRetrying sector {0}, pass {1}, {3}{2}", badSector, pass + 1, forward ? "forward" : "reverse", runningPersistent ? "recovering partial data, " : "");
error = dev.Read(out cmdBuf, out response, (uint)badSector, blockSize, 1, false, timeout, out duration);
error = dev.Read(out cmdBuf, out response, (uint)badSector, blockSize, 1, byteAddressed, timeout, out duration);
totalDuration += duration;