diff options
Diffstat (limited to 'StandaloneMmPkg/Core/Dependency.c')
| -rw-r--r-- | StandaloneMmPkg/Core/Dependency.c | 288 |
1 files changed, 147 insertions, 141 deletions
diff --git a/StandaloneMmPkg/Core/Dependency.c b/StandaloneMmPkg/Core/Dependency.c index eb4baa4..440fe3e 100644 --- a/StandaloneMmPkg/Core/Dependency.c +++ b/StandaloneMmPkg/Core/Dependency.c @@ -47,8 +47,8 @@ GrowDepexStack ( VOID
)
{
- BOOLEAN *NewStack;
- UINTN Size;
+ BOOLEAN *NewStack;
+ UINTN Size;
Size = DEPEX_STACK_SIZE_INCREMENT;
if (mDepexEvaluationStack != NULL) {
@@ -167,7 +167,7 @@ PopBool ( **/
BOOLEAN
MmIsSchedulable (
- IN EFI_MM_DRIVER_ENTRY *DriverEntry
+ IN EFI_MM_DRIVER_ENTRY *DriverEntry
)
{
EFI_STATUS Status;
@@ -177,7 +177,7 @@ MmIsSchedulable ( EFI_GUID DriverGuid;
VOID *Interface;
- Operator = FALSE;
+ Operator = FALSE;
Operator2 = FALSE;
if (DriverEntry->After || DriverEntry->Before) {
@@ -206,7 +206,6 @@ MmIsSchedulable ( //
mDepexEvaluationStackPointer = mDepexEvaluationStack;
-
Iterator = DriverEntry->Depex;
while (TRUE) {
@@ -223,148 +222,155 @@ MmIsSchedulable ( // Look at the opcode of the dependency expression instruction.
//
switch (*Iterator) {
- case EFI_DEP_BEFORE:
- case EFI_DEP_AFTER:
- //
- // For a well-formed Dependency Expression, the code should never get here.
- // The BEFORE and AFTER are processed prior to this routine's invocation.
- // 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_PUSH:
- //
- // Push operator is followed by a GUID. Test to see if the GUID protocol
- // is installed and push the boolean result on the stack.
- //
- CopyMem (&DriverGuid, Iterator + 1, sizeof (EFI_GUID));
-
- Status = MmLocateProtocol (&DriverGuid, NULL, &Interface);
- if (EFI_ERROR (Status) && (mEfiSystemTable != NULL)) {
+ case EFI_DEP_BEFORE:
+ case EFI_DEP_AFTER:
+ //
+ // For a well-formed Dependency Expression, the code should never get here.
+ // The BEFORE and AFTER are processed prior to this routine's invocation.
+ // 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_PUSH:
//
- // For MM Driver, it may depend on uefi protocols
+ // Push operator is followed by a GUID. Test to see if the GUID protocol
+ // is installed and push the boolean result on the stack.
//
- Status = mEfiSystemTable->BootServices->LocateProtocol (&DriverGuid, NULL, &Interface);
- }
+ CopyMem (&DriverGuid, Iterator + 1, sizeof (EFI_GUID));
+
+ Status = MmLocateProtocol (&DriverGuid, NULL, &Interface);
+ if (EFI_ERROR (Status) && (mEfiSystemTable != NULL)) {
+ //
+ // For MM Driver, it may depend on uefi protocols
+ //
+ Status = mEfiSystemTable->BootServices->LocateProtocol (&DriverGuid, NULL, &Interface);
+ }
+
+ 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;
+ }
+
+ Iterator += sizeof (EFI_GUID);
+ 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;
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_DISPATCH, " PUSH GUID(%g) = FALSE\n", &DriverGuid));
+ case EFI_DEP_FALSE:
+ DEBUG ((DEBUG_DISPATCH, " FALSE\n"));
Status = PushBool (FALSE);
- } else {
+ 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));
- *Iterator = EFI_DEP_REPLACE_TRUE;
Status = PushBool (TRUE);
- }
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
- return FALSE;
- }
-
- Iterator += sizeof (EFI_GUID);
- 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;
- }
-
- Iterator += sizeof (EFI_GUID);
- break;
-
- default:
- DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unknown opcode)\n"));
- goto Done;
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unexpected error)\n"));
+ return FALSE;
+ }
+
+ Iterator += sizeof (EFI_GUID);
+ break;
+
+ default:
+ DEBUG ((DEBUG_DISPATCH, " RESULT = FALSE (Unknown opcode)\n"));
+ goto Done;
}
//
|