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Log boot entries during setup

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This commit is contained in:
Lauri Kenttä
2023-11-09 22:00:50 +02:00
parent f40f2bc9dc
commit e04ba3e451
2 changed files with 27 additions and 0 deletions
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26
src/Efi.cs
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@@ -55,6 +55,9 @@ public class Efi {
* @return String representation of this object. * @return String representation of this object.
*/ */
public override string ToString() { public override string ToString() {
if (Data == null) {
return $"{Name} Guid={Guid} Attributes={Attributes} Data=null";
}
var hex = BitConverter.ToString(Data).Replace("-", " "); var hex = BitConverter.ToString(Data).Replace("-", " ");
var text = new string(Data.Select(c => 0x20 <= c && c <= 0x7f ? (char) c : ' ').ToArray()); var text = new string(Data.Select(c => 0x20 <= c && c <= 0x7f ? (char) c : ' ').ToArray());
return $"{Name} Guid={Guid} Attributes={Attributes} Text='{text}' Bytes='{hex}'"; return $"{Name} Guid={Guid} Attributes={Attributes} Text='{text}' Bytes='{hex}'";
@@ -445,6 +448,29 @@ public class Efi {
} }
} }
/**
* Log the boot entries.
*/
public static void LogBootEntries() {
try {
var bootOrder = GetVariable("BootOrder");
var bootCurrent = GetVariable("BootCurrent");
Setup.Log($"LogBootOrder: {bootOrder}");
Setup.Log($"LogBootOrder: {bootCurrent}");
var bootOrderInts = new List<UInt16>(BytesToUInt16s(bootOrder.Data));
// Windows can't enumerate EFI variables, and trying them all is too slow.
// BootOrder + BootCurrent + the first 0xff entries should be enough.
foreach (var num in BytesToUInt16s(bootCurrent.Data).Concat(bootOrderInts).Concat(Enumerable.Range(0, 0xff).Select(i => (UInt16) i))) {
var entry = GetVariable(String.Format("Boot{0:X04}", num));
if (entry.Data != null) {
Setup.Log($"LogBootOrder: {entry}");
}
}
} catch (Exception e) {
Setup.Log($"LogBootOrder failed: {e.ToString()}");
}
}
/** /**
* Log the BGRT table (for debugging). * Log the BGRT table (for debugging).
*/ */

1
src/Setup.cs
View File

@@ -758,6 +758,7 @@ public class Setup {
InitEspPath(); InitEspPath();
InitEspInfo(); InitEspInfo();
Efi.LogBGRT(); Efi.LogBGRT();
Efi.LogBootEntries();
bool allowSecureBoot = false; bool allowSecureBoot = false;
bool allowBitLocker = false; bool allowBitLocker = false;
bool allowBadLoader = false; bool allowBadLoader = false;