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-rw-r--r--SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c1
-rw-r--r--SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugTimer.c5
-rw-r--r--SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgent/DxeDebugAgentLib.c8
-rw-r--r--SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c4
-rw-r--r--SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgent/SmmDebugAgentLib.c5
5 files changed, 22 insertions, 1 deletions
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c b/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c
index 3eca30497f..6c32586303 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c
+++ b/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c
@@ -2535,6 +2535,7 @@ InterruptProcess (
CurrentDebugTimerInitCount = GetApicTimerInitCount ();
if (mDebugMpContext.DebugTimerInitCount != CurrentDebugTimerInitCount) {
InitializeDebugTimer (NULL, FALSE);
+ SaveAndSetDebugTimerInterrupt (TRUE);
}
}
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugTimer.c b/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugTimer.c
index 25d6468588..4a6ccdb7da 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugTimer.c
+++ b/SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugTimer.c
@@ -46,6 +46,11 @@ InitializeDebugTimer (
);
InitializeApicTimer (ApicTimerDivisor, InitialCount, TRUE, DEBUG_TIMER_VECTOR);
+ //
+ // Disable Debug Timer interrupt to avoid it is delivered before Debug Port
+ // is initialized
+ //
+ DisableApicTimerInterrupt ();
if (DumpFlag) {
DEBUG ((EFI_D_INFO, "Debug Timer: FSB Clock = %d\n", PcdGet32(PcdFSBClock)));
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgent/DxeDebugAgentLib.c b/SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgent/DxeDebugAgentLib.c
index aaf342e0ba..56a5e1a170 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgent/DxeDebugAgentLib.c
+++ b/SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgent/DxeDebugAgentLib.c
@@ -428,6 +428,10 @@ InitializeDebugAgent (
//
InternalConstructorWorker ();
//
+ // Enable Debug Timer interrupt
+ //
+ SaveAndSetDebugTimerInterrupt (TRUE);
+ //
// Enable interrupt to receive Debug Timer interrupt
//
EnableInterrupts ();
@@ -482,6 +486,10 @@ InitializeDebugAgent (
//
SetupDebugAgentEnvironment (Mailbox);
//
+ // Enable Debug Timer interrupt
+ //
+ SaveAndSetDebugTimerInterrupt (TRUE);
+ //
// Enable interrupt to receive Debug Timer interrupt
//
EnableInterrupts ();
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c b/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c
index 20b6a370d6..e77ff723e3 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c
+++ b/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c
@@ -612,6 +612,10 @@ InitializeDebugAgent (
}
//
+ // Enable Debug Timer interrupt
+ //
+ SaveAndSetDebugTimerInterrupt (TRUE);
+ //
// Enable CPU interrupts so debug timer interrupts can be delivered
//
EnableInterrupts ();
diff --git a/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgent/SmmDebugAgentLib.c b/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgent/SmmDebugAgentLib.c
index 4e4e1f536c..6ac5f88dea 100644
--- a/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgent/SmmDebugAgentLib.c
+++ b/SourceLevelDebugPkg/Library/DebugAgent/SmmDebugAgent/SmmDebugAgentLib.c
@@ -284,7 +284,6 @@ InitializeDebugAgent (
TimerCycle = GetApicTimerInitCount ();
if (!PeriodicMode || TimerCycle == 0) {
InitializeDebugTimer (NULL, FALSE);
- DisableApicTimerInterrupt ();
}
Mailbox = GetMailboxPointer ();
if (GetDebugFlag (DEBUG_AGENT_FLAG_AGENT_IN_PROGRESS) == 1) {
@@ -350,6 +349,10 @@ InitializeDebugAgent (
//
InitializeDebugTimer (&DebugTimerFrequency, TRUE);
UpdateMailboxContent (mMailboxPointer, DEBUG_MAILBOX_DEBUG_TIMER_FREQUENCY, DebugTimerFrequency);
+ //
+ // Enable Debug Timer interrupt and CPU interrupt
+ //
+ SaveAndSetDebugTimerInterrupt (TRUE);
EnableInterrupts ();
FindAndReportModuleImageInfo (SIZE_4KB);