Update PEI/DXE/SMM dispatchers to include DEBUG ((DEBUG_DISPATCH, )) macros to log the evaluation of all dependency expressions.
This logging can be enabled by setting the DEBUG_DISPATCH bit(0x80) of the PCD gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11117 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -5,7 +5,7 @@
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if a driver can be scheduled for execution. The criteria for
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schedulability is that the dependency expression is satisfied.
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@@ -220,6 +220,8 @@ CoreIsSchedulable (
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EFI_GUID DriverGuid;
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VOID *Interface;
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DEBUG ((DEBUG_DISPATCH, "Evaluate DXE DEPEX for FFS(%g)\n", &DriverEntry->FileName));
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Operator = FALSE;
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Operator2 = FALSE;
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@@ -236,9 +238,12 @@ CoreIsSchedulable (
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// A NULL Depex means treat the driver like an UEFI 2.0 thing.
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//
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Status = CoreAllEfiServicesAvailable ();
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DEBUG ((DEBUG_DISPATCH, " All UEFI Services Available = "));
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, "FALSE\n RESULT = FALSE\n"));
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return FALSE;
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}
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DEBUG ((DEBUG_DISPATCH, "TRUE\n RESULT = TRUE\n"));
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return TRUE;
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}
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@@ -257,6 +262,7 @@ CoreIsSchedulable (
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// past the end of the dependency expression.
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//
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if (((UINTN)Iterator - (UINTN)DriverEntry->Depex) >= DriverEntry->DepexSize) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Attempt to fetch past end of depex)\n"));
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return FALSE;
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}
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@@ -272,6 +278,7 @@ CoreIsSchedulable (
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// If the code flow arrives at this point, there was a BEFORE or AFTER
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// that were not the first opcodes.
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//
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected BEFORE or AFTER opcode)\n"));
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ASSERT (FALSE);
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case EFI_DEP_SOR:
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//
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@@ -279,8 +286,11 @@ CoreIsSchedulable (
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// at any other location, then the dependency expression evaluates to FALSE
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//
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if (Iterator != DriverEntry->Depex) {
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DEBUG ((DEBUG_DISPATCH, " SOR\n"));
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected SOR opcode)\n"));
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return FALSE;
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}
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DEBUG ((DEBUG_DISPATCH, " SOR = Requested\n"));
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//
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// Otherwise, it is the first opcode and should be treated as a NOP.
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//
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@@ -296,12 +306,15 @@ CoreIsSchedulable (
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Status = CoreLocateProtocol (&DriverGuid, NULL, &Interface);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = FALSE\n", &DriverGuid));
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Status = PushBool (FALSE);
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} else {
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DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = TRUE\n", &DriverGuid));
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*Iterator = EFI_DEP_REPLACE_TRUE;
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Status = PushBool (TRUE);
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}
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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@@ -309,75 +322,97 @@ CoreIsSchedulable (
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break;
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case EFI_DEP_AND:
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DEBUG ((DEBUG_DISPATCH, " AND\n"));
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Status = PopBool (&Operator);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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Status = PopBool (&Operator2);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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Status = PushBool ((BOOLEAN)(Operator && Operator2));
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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break;
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case EFI_DEP_OR:
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DEBUG ((DEBUG_DISPATCH, " OR\n"));
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Status = PopBool (&Operator);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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Status = PopBool (&Operator2);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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Status = PushBool ((BOOLEAN)(Operator || Operator2));
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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break;
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case EFI_DEP_NOT:
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DEBUG ((DEBUG_DISPATCH, " NOT\n"));
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Status = PopBool (&Operator);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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Status = PushBool ((BOOLEAN)(!Operator));
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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break;
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case EFI_DEP_TRUE:
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DEBUG ((DEBUG_DISPATCH, " TRUE\n"));
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Status = PushBool (TRUE);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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break;
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case EFI_DEP_FALSE:
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DEBUG ((DEBUG_DISPATCH, " FALSE\n"));
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Status = PushBool (FALSE);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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break;
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case EFI_DEP_END:
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DEBUG ((DEBUG_DISPATCH, " END\n"));
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Status = PopBool (&Operator);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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DEBUG ((DEBUG_DISPATCH, " RESULT = %a\n", Operator ? "TRUE" : "FALSE"));
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return Operator;
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case EFI_DEP_REPLACE_TRUE:
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CopyMem (&DriverGuid, Iterator + 1, sizeof (EFI_GUID));
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DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = TRUE\n", &DriverGuid));
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Status = PushBool (TRUE);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
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return FALSE;
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}
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@@ -385,6 +420,7 @@ CoreIsSchedulable (
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break;
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default:
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unknown opcode)\n"));
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goto Done;
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}
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@@ -333,9 +333,14 @@ CoreSchedule (
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DriverEntry->Dependent = TRUE;
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CoreReleaseDispatcherLock ();
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DEBUG ((DEBUG_DISPATCH, "Schedule FFS(%g) - EFI_SUCCESS\n", DriverName));
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return EFI_SUCCESS;
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}
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}
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DEBUG ((DEBUG_DISPATCH, "Schedule FFS(%g) - EFI_NOT_FOUND\n", DriverName));
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return EFI_NOT_FOUND;
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}
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@@ -572,6 +577,12 @@ CoreDispatcher (
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CoreInsertOnScheduledQueueWhileProcessingBeforeAndAfter (DriverEntry);
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ReadyToRun = TRUE;
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}
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} else {
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if (DriverEntry->Unrequested) {
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DEBUG ((DEBUG_DISPATCH, "Evaluate DXE DEPEX for FFS(%g)\n", &DriverEntry->FileName));
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DEBUG ((DEBUG_DISPATCH, " SOR = Not Requested\n"));
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DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE\n"));
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}
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}
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}
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} while (ReadyToRun);
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@@ -611,12 +622,17 @@ CoreInsertOnScheduledQueueWhileProcessingBeforeAndAfter (
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//
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for (Link = mDiscoveredList.ForwardLink; Link != &mDiscoveredList; Link = Link->ForwardLink) {
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DriverEntry = CR(Link, EFI_CORE_DRIVER_ENTRY, Link, EFI_CORE_DRIVER_ENTRY_SIGNATURE);
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if (DriverEntry->Before && DriverEntry->Dependent) {
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if (DriverEntry->Before && DriverEntry->Dependent && DriverEntry != InsertedDriverEntry) {
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DEBUG ((DEBUG_DISPATCH, "Evaluate DXE DEPEX for FFS(%g)\n", &DriverEntry->FileName));
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DEBUG ((DEBUG_DISPATCH, " BEFORE FFS(%g) = ", &DriverEntry->BeforeAfterGuid));
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if (CompareGuid (&InsertedDriverEntry->FileName, &DriverEntry->BeforeAfterGuid)) {
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//
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// Recursively process BEFORE
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//
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DEBUG ((DEBUG_DISPATCH, "TRUE\n END\n RESULT = TRUE\n"));
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CoreInsertOnScheduledQueueWhileProcessingBeforeAndAfter (DriverEntry);
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} else {
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DEBUG ((DEBUG_DISPATCH, "FALSE\n END\n RESULT = FALSE\n"));
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}
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}
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}
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@@ -637,12 +653,17 @@ CoreInsertOnScheduledQueueWhileProcessingBeforeAndAfter (
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//
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for (Link = mDiscoveredList.ForwardLink; Link != &mDiscoveredList; Link = Link->ForwardLink) {
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DriverEntry = CR(Link, EFI_CORE_DRIVER_ENTRY, Link, EFI_CORE_DRIVER_ENTRY_SIGNATURE);
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if (DriverEntry->After && DriverEntry->Dependent) {
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if (DriverEntry->After && DriverEntry->Dependent && DriverEntry != InsertedDriverEntry) {
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DEBUG ((DEBUG_DISPATCH, "Evaluate DXE DEPEX for FFS(%g)\n", &DriverEntry->FileName));
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DEBUG ((DEBUG_DISPATCH, " AFTER FFS(%g) = ", &DriverEntry->BeforeAfterGuid));
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if (CompareGuid (&InsertedDriverEntry->FileName, &DriverEntry->BeforeAfterGuid)) {
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//
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// Recursively process AFTER
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//
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DEBUG ((DEBUG_DISPATCH, "TRUE\n END\n RESULT = TRUE\n"));
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CoreInsertOnScheduledQueueWhileProcessingBeforeAndAfter (DriverEntry);
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} else {
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DEBUG ((DEBUG_DISPATCH, "FALSE\n END\n RESULT = FALSE\n"));
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}
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}
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}
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@@ -1139,23 +1160,24 @@ CoreFwVolEventProtocolNotify (
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// drivers not in the current FV and these must be skipped since the a priori list
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// is only valid for the FV that it resided in.
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//
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CoreAcquireDispatcherLock ();
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for (Index = 0; Index < AprioriEntryCount; Index++) {
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for (Link = mDiscoveredList.ForwardLink; Link != &mDiscoveredList; Link = Link->ForwardLink) {
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DriverEntry = CR(Link, EFI_CORE_DRIVER_ENTRY, Link, EFI_CORE_DRIVER_ENTRY_SIGNATURE);
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if (CompareGuid (&DriverEntry->FileName, &AprioriFile[Index]) &&
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(FvHandle == DriverEntry->FvHandle)) {
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CoreAcquireDispatcherLock ();
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DriverEntry->Dependent = FALSE;
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DriverEntry->Scheduled = TRUE;
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InsertTailList (&mScheduledQueue, &DriverEntry->ScheduledLink);
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CoreReleaseDispatcherLock ();
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DEBUG ((DEBUG_DISPATCH, "Evaluate DXE DEPEX for FFS(%g)\n", &DriverEntry->FileName));
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DEBUG ((DEBUG_DISPATCH, " RESULT = TRUE (Apriori)\n"));
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break;
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}
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}
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}
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CoreReleaseDispatcherLock ();
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//
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// Free data allocated by Fv->ReadSection ()
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//
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