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Move common Apple boot block information and structs to its own class.

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This commit is contained in:
Natalia Portillo
2020-02-19 00:12:15 +00:00
parent 80a38c860d
commit 7ac5e40965
12 changed files with 309 additions and 228 deletions
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49
DiscImageChef.Filesystems/AppleHFS/Info.cs
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@@ -146,7 +146,6 @@ namespace DiscImageChef.Filesystems
}
HfsMasterDirectoryBlock mdb = Marshal.ByteArrayToStructureBigEndian<HfsMasterDirectoryBlock>(mdbSector);
HfsBootBlock bb = Marshal.ByteArrayToStructureBigEndian<HfsBootBlock>(bbSector);
sb.AppendLine("Apple Hierarchical File System");
sb.AppendLine();
@@ -238,51 +237,13 @@ namespace DiscImageChef.Filesystems
sb.AppendFormat("{0} blocks in volume common cache", mdb.drCtlCSize).AppendLine();
}
if(bb.bbID == HFSBB_MAGIC)
string bootBlockInfo = AppleCommon.GetBootBlockInformation(bbSector, Encoding);
if(bootBlockInfo != null)
{
sb.AppendLine("Volume is bootable.");
sb.AppendLine();
sb.AppendLine("Boot Block:");
if((bb.bbPageFlags & 0x40) == 0x40)
sb.AppendLine("Boot block should be executed.");
if((bb.bbPageFlags & 0x80) == 0x80)
sb.AppendLine("Boot block is in new unknown format.");
else
{
if(bb.bbPageFlags > 0)
sb.AppendLine("Allocate secondary sound buffer at boot.");
else if(bb.bbPageFlags < 0)
sb.AppendLine("Allocate secondary sound and video buffers at boot.");
sb.AppendFormat("System filename: {0}", StringHandlers.PascalToString(bb.bbSysName, Encoding)).
AppendLine();
sb.AppendFormat("Finder filename: {0}", StringHandlers.PascalToString(bb.bbShellName, Encoding)).
AppendLine();
sb.AppendFormat("Debugger filename: {0}", StringHandlers.PascalToString(bb.bbDbg1Name, Encoding)).
AppendLine();
sb.AppendFormat("Disassembler filename: {0}",
StringHandlers.PascalToString(bb.bbDbg2Name, Encoding)).AppendLine();
sb.AppendFormat("Startup screen filename: {0}",
StringHandlers.PascalToString(bb.bbScreenName, Encoding)).AppendLine();
sb.AppendFormat("First program to execute at boot: {0}",
StringHandlers.PascalToString(bb.bbHelloName, Encoding)).AppendLine();
sb.AppendFormat("Clipboard filename: {0}", StringHandlers.PascalToString(bb.bbScrapName, Encoding)).
AppendLine();
sb.AppendFormat("Maximum opened files: {0}", bb.bbCntFCBs * 4).AppendLine();
sb.AppendFormat("Event queue size: {0}", bb.bbCntEvts).AppendLine();
sb.AppendFormat("Heap size with 128KiB of RAM: {0} bytes", bb.bb128KSHeap).AppendLine();
sb.AppendFormat("Heap size with 256KiB of RAM: {0} bytes", bb.bb256KSHeap).AppendLine();
sb.AppendFormat("Heap size with 512KiB of RAM or more: {0} bytes", bb.bbSysHeapSize).AppendLine();
}
sb.AppendLine(bootBlockInfo);
}
else if(mdb.drFndrInfo0 != 0 ||
mdb.drFndrInfo3 != 0 ||
@@ -301,7 +262,7 @@ namespace DiscImageChef.Filesystems
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Bootable = bb.bbID == HFSBB_MAGIC || mdb.drFndrInfo0 != 0 || mdb.drFndrInfo3 != 0 ||
XmlFsType.Bootable = bootBlockInfo != null || mdb.drFndrInfo0 != 0 || mdb.drFndrInfo3 != 0 ||
mdb.drFndrInfo5 != 0;
XmlFsType.Clusters = mdb.drNmAlBlks;