sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update PEI/DXE/SMM dispatchers to include DEBUG ((DEBUG_DISPATCH, )) macros to log the evaluation of all dependency expressions.

Browse Source 
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
This commit is contained in:
mdkinney
2010-12-04 20:05:09 +00:00
parent 852b634128
commit 6a55eea3eb
6 changed files with 153 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
MdeModulePkg/Core/PiSmmCore/Dependency.c
View File

@@ -183,6 +183,8 @@ SmmIsSchedulable (
EFI_GUID DriverGuid;
VOID *Interface;
DEBUG ((DEBUG_DISPATCH, "Evaluate SMM DEPEX for FFS(%g)\n", &DriverEntry->FileName));
Operator = FALSE;
Operator2 = FALSE;
@@ -199,6 +201,7 @@ SmmIsSchedulable (
// A NULL Depex means that the SMM driver is not built correctly.
// All SMM drivers must have a valid depex expressiion.
//
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Depex is empty)\n"));
ASSERT (FALSE);
return FALSE;
}
@@ -218,6 +221,7 @@ SmmIsSchedulable (
// past the end of the dependency expression.
//
if (((UINTN)Iterator - (UINTN)DriverEntry->Depex) >= DriverEntry->DepexSize) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Attempt to fetch past end of depex)\n"));
return FALSE;
}
@@ -233,6 +237,7 @@ SmmIsSchedulable (
// If the code flow arrives at this point, there was a BEFORE or AFTER
// that were not the first opcodes.
//
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected BEFORE or AFTER opcode)\n"));
ASSERT (FALSE);
case EFI_DEP_SOR:
//
@@ -240,8 +245,11 @@ SmmIsSchedulable (
// at any other location, then the dependency expression evaluates to FALSE
//
if (Iterator != DriverEntry->Depex) {
DEBUG ((DEBUG_DISPATCH, " SOR\n"));
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected SOR opcode)\n"));
return FALSE;
}
DEBUG ((DEBUG_DISPATCH, " SOR = Requested\n"));
//
// Otherwise, it is the first opcode and should be treated as a NOP.
//
@@ -263,12 +271,15 @@ SmmIsSchedulable (
}
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = FALSE\n", &DriverGuid));
Status = PushBool (FALSE);
} else {
DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = TRUE\n", &DriverGuid));
*Iterator = EFI_DEP_REPLACE_TRUE;
Status = PushBool (TRUE);
}
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
@@ -276,75 +287,96 @@ SmmIsSchedulable (
break;
case EFI_DEP_AND:
DEBUG ((DEBUG_DISPATCH, " AND\n"));
Status = PopBool (&Operator);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
Status = PopBool (&Operator2);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
Status = PushBool ((BOOLEAN)(Operator && Operator2));
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
break;
case EFI_DEP_OR:
DEBUG ((DEBUG_DISPATCH, " OR\n"));
Status = PopBool (&Operator);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
Status = PopBool (&Operator2);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
Status = PushBool ((BOOLEAN)(Operator || Operator2));
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
break;
case EFI_DEP_NOT:
DEBUG ((DEBUG_DISPATCH, " NOT\n"));
Status = PopBool (&Operator);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
Status = PushBool ((BOOLEAN)(!Operator));
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
break;
case EFI_DEP_TRUE:
DEBUG ((DEBUG_DISPATCH, " TRUE\n"));
Status = PushBool (TRUE);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
break;
case EFI_DEP_FALSE:
DEBUG ((DEBUG_DISPATCH, " FALSE\n"));
Status = PushBool (FALSE);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
break;
case EFI_DEP_END:
DEBUG ((DEBUG_DISPATCH, " END\n"));
Status = PopBool (&Operator);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
DEBUG ((DEBUG_DISPATCH, " RESULT = %a\n", Operator ? "TRUE" : "FALSE"));
return Operator;
case EFI_DEP_REPLACE_TRUE:
CopyMem (&DriverGuid, Iterator + 1, sizeof (EFI_GUID));
DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = TRUE\n", &DriverGuid));
Status = PushBool (TRUE);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
return FALSE;
}
@@ -352,6 +384,7 @@ SmmIsSchedulable (
break;
default:
DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unknown opcode)\n"));
goto Done;
}