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Add support for negative sectors to read and write sector calls in images.

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This commit is contained in:
Natalia Portillo
2025-10-23 03:07:43 +01:00
parent 0c19fe1b11
commit 69738f5f1a
289 changed files with 2676 additions and 1352 deletions
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28
Aaru.Images/BlindWrite5/Read.cs
View File

@@ -1456,16 +1456,19 @@ public sealed partial class BlindWrite5
}
/// <inheritdoc />
public ErrorNumber ReadSector(ulong sectorAddress, out byte[] buffer, out SectorStatus sectorStatus)
public ErrorNumber ReadSector(ulong sectorAddress, bool negative, out byte[] buffer, out SectorStatus sectorStatus)
{
buffer = null;
sectorStatus = SectorStatus.Dumped;
return ReadSectors(sectorAddress, 1, out buffer, out _);
if(negative) return ErrorNumber.NotSupported;
return ReadSectors(sectorAddress, false, 1, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorTag(ulong sectorAddress, SectorTagType tag, out byte[] buffer) =>
ReadSectorsTag(sectorAddress, 1, tag, out buffer);
public ErrorNumber ReadSectorTag(ulong sectorAddress, bool negative, SectorTagType tag, out byte[] buffer) =>
ReadSectorsTag(sectorAddress, false, 1, tag, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSector(ulong sectorAddress, uint track, out byte[] buffer, out SectorStatus sectorStatus)
@@ -1480,11 +1483,14 @@ public sealed partial class BlindWrite5
ReadSectorsTag(sectorAddress, 1, track, tag, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectors(ulong sectorAddress, uint length, out byte[] buffer, out SectorStatus[] sectorStatus)
public ErrorNumber ReadSectors(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(negative) return ErrorNumber.NotSupported;
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap
where sectorAddress >= kvp.Value
from track in Tracks
@@ -1498,10 +1504,13 @@ public sealed partial class BlindWrite5
}
/// <inheritdoc />
public ErrorNumber ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag, out byte[] buffer)
public ErrorNumber ReadSectorsTag(ulong sectorAddress, bool negative, uint length, SectorTagType tag,
out byte[] buffer)
{
buffer = null;
if(negative) return ErrorNumber.NotSupported;
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap
where sectorAddress >= kvp.Value
from track in Tracks
@@ -2144,11 +2153,12 @@ public sealed partial class BlindWrite5
}
/// <inheritdoc />
public ErrorNumber ReadSectorLong(ulong sectorAddress, out byte[] buffer, out SectorStatus sectorStatus)
public ErrorNumber ReadSectorLong(ulong sectorAddress, bool negative, out byte[] buffer,
out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectorsLong(sectorAddress, 1, out buffer, out _);
return ReadSectorsLong(sectorAddress, false, 1, out buffer, out _);
}
/// <inheritdoc />
@@ -2160,7 +2170,7 @@ public sealed partial class BlindWrite5
}
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer,
public ErrorNumber ReadSectorsLong(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;

4
Aaru.Images/BlindWrite5/Verify.cs
View File

@@ -44,7 +44,7 @@ public sealed partial class BlindWrite5
/// <inheritdoc />
public bool? VerifySector(ulong sectorAddress)
{
ErrorNumber errno = ReadSectorLong(sectorAddress, out byte[] buffer, out _);
ErrorNumber errno = ReadSectorLong(sectorAddress, false, out byte[] buffer, out _);
return errno != ErrorNumber.NoError ? null : CdChecksums.CheckCdSector(buffer);
}
@@ -55,7 +55,7 @@ public sealed partial class BlindWrite5
{
failingLbas = [];
unknownLbas = [];
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, out byte[] buffer, out _);
ErrorNumber errno = ReadSectorsLong(sectorAddress, false, length, out byte[] buffer, out _);
if(errno != ErrorNumber.NoError) return null;