diff options
| -rw-r--r-- | DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 131 | ||||
| -rw-r--r-- | DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.h | 4 |
2 files changed, 84 insertions, 51 deletions
diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c index c24da8ec71..6fb131b664 100644 --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c @@ -805,6 +805,57 @@ CreateAmlProcessorContainer ( return Status;
}
+/** Check flags and topology of a ProcNode.
+
+ @param [in] NodeFlags Flags of the ProcNode to check.
+ @param [in] IsLeaf The ProcNode is a leaf.
+ @param [in] NodeToken NodeToken of the ProcNode.
+ @param [in] ParentNodeToken Parent NodeToken of the ProcNode.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+CheckProcNode (
+ UINT32 NodeFlags,
+ BOOLEAN IsLeaf,
+ CM_OBJECT_TOKEN NodeToken,
+ CM_OBJECT_TOKEN ParentNodeToken
+ )
+{
+ BOOLEAN InvalidFlags;
+ BOOLEAN HasPhysicalPackageBit;
+ BOOLEAN IsTopLevelNode;
+
+ HasPhysicalPackageBit = (NodeFlags & EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL) ==
+ EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL;
+ IsTopLevelNode = (ParentNodeToken == CM_NULL_TOKEN);
+
+ // A top-level node is a Physical Package and conversely.
+ InvalidFlags = HasPhysicalPackageBit ^ IsTopLevelNode;
+
+ // Check Leaf specific flags.
+ if (IsLeaf) {
+ InvalidFlags |= ((NodeFlags & PPTT_LEAF_MASK) != PPTT_LEAF_MASK);
+ } else {
+ InvalidFlags |= ((NodeFlags & PPTT_LEAF_MASK) != 0);
+ }
+
+ if (InvalidFlags) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: SSDT-CPU-TOPOLOGY: Invalid flags for ProcNode: 0x%p.\n",
+ (VOID *)NodeToken
+ ));
+ ASSERT (0);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ return EFI_SUCCESS;
+}
+
/** Create an AML representation of the Cpu topology.
A processor container is by extension any non-leave device in the cpu topology.
@@ -814,7 +865,6 @@ CreateAmlProcessorContainer ( Protocol Interface.
@param [in] NodeToken Token of the CM_ARM_PROC_HIERARCHY_INFO
currently handled.
- Cannot be CM_NULL_TOKEN.
@param [in] ParentNode Parent node to attach the created
node to.
@param [in,out] ProcContainerIndex Pointer to the current processor container
@@ -838,6 +888,7 @@ CreateAmlCpuTopologyTree ( EFI_STATUS Status;
UINT32 Index;
UINT32 CpuIndex;
+ UINT32 ProcContainerName;
AML_OBJECT_NODE_HANDLE ProcContainerNode;
UINT32 Uid;
UINT16 Name;
@@ -846,11 +897,11 @@ CreateAmlCpuTopologyTree ( ASSERT (Generator->ProcNodeList != NULL);
ASSERT (Generator->ProcNodeCount != 0);
ASSERT (CfgMgrProtocol != NULL);
- ASSERT (NodeToken != CM_NULL_TOKEN);
ASSERT (ParentNode != NULL);
ASSERT (ProcContainerIndex != NULL);
- CpuIndex = 0;
+ CpuIndex = 0;
+ ProcContainerName = 0;
for (Index = 0; Index < Generator->ProcNodeCount; Index++) {
// Find the children of the CM_ARM_PROC_HIERARCHY_INFO
@@ -859,16 +910,15 @@ CreateAmlCpuTopologyTree ( // Only Cpus (leaf nodes in this tree) have a GicCToken.
// Create a Cpu node.
if (Generator->ProcNodeList[Index].GicCToken != CM_NULL_TOKEN) {
- if ((Generator->ProcNodeList[Index].Flags & PPTT_PROCESSOR_MASK) !=
- PPTT_CPU_PROCESSOR_MASK)
- {
- DEBUG ((
- DEBUG_ERROR,
- "ERROR: SSDT-CPU-TOPOLOGY: Invalid flags for cpu: 0x%x.\n",
- Generator->ProcNodeList[Index].Flags
- ));
+ Status = CheckProcNode (
+ Generator->ProcNodeList[Index].Flags,
+ TRUE,
+ Generator->ProcNodeList[Index].Token,
+ NodeToken
+ );
+ if (EFI_ERROR (Status)) {
ASSERT (0);
- return EFI_INVALID_PARAMETER;
+ return Status;
}
if (Generator->ProcNodeList[Index].OverrideNameUidEnabled) {
@@ -893,24 +943,22 @@ CreateAmlCpuTopologyTree ( } else {
// If this is not a Cpu, then this is a processor container.
- // Acpi processor Id for clusters is not handled.
- if ((Generator->ProcNodeList[Index].Flags & PPTT_PROCESSOR_MASK) !=
- PPTT_CLUSTER_PROCESSOR_MASK)
- {
- DEBUG ((
- DEBUG_ERROR,
- "ERROR: SSDT-CPU-TOPOLOGY: Invalid flags for cluster: 0x%x.\n",
- Generator->ProcNodeList[Index].Flags
- ));
+ Status = CheckProcNode (
+ Generator->ProcNodeList[Index].Flags,
+ FALSE,
+ Generator->ProcNodeList[Index].Token,
+ NodeToken
+ );
+ if (EFI_ERROR (Status)) {
ASSERT (0);
- return EFI_INVALID_PARAMETER;
+ return Status;
}
if (Generator->ProcNodeList[Index].OverrideNameUidEnabled) {
Name = Generator->ProcNodeList[Index].OverrideName;
Uid = Generator->ProcNodeList[Index].OverrideUid;
} else {
- Name = *ProcContainerIndex;
+ Name = ProcContainerName;
Uid = *ProcContainerIndex;
}
@@ -933,6 +981,13 @@ CreateAmlCpuTopologyTree ( (*ProcContainerIndex)++;
CpuIndex = 0;
+ // And reset the cluster name whenever there is a package.
+ if (NodeToken == CM_NULL_TOKEN) {
+ ProcContainerName = 0;
+ } else {
+ ProcContainerName++;
+ }
+
// Recursively continue creating an AML tree.
Status = CreateAmlCpuTopologyTree (
Generator,
@@ -974,8 +1029,6 @@ CreateTopologyFromProcHierarchy ( )
{
EFI_STATUS Status;
- UINT32 Index;
- UINT32 TopLevelProcNodeIndex;
UINT32 ProcContainerIndex;
ASSERT (Generator != NULL);
@@ -984,8 +1037,7 @@ CreateTopologyFromProcHierarchy ( ASSERT (CfgMgrProtocol != NULL);
ASSERT (ScopeNode != NULL);
- TopLevelProcNodeIndex = MAX_UINT32;
- ProcContainerIndex = 0;
+ ProcContainerIndex = 0;
Status = TokenTableInitialize (Generator, Generator->ProcNodeCount);
if (EFI_ERROR (Status)) {
@@ -993,33 +1045,10 @@ CreateTopologyFromProcHierarchy ( return Status;
}
- // It is assumed that there is one unique CM_ARM_PROC_HIERARCHY_INFO
- // structure with no ParentToken and the EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL
- // flag set. All other CM_ARM_PROC_HIERARCHY_INFO are non-physical and
- // have a ParentToken.
- for (Index = 0; Index < Generator->ProcNodeCount; Index++) {
- if ((Generator->ProcNodeList[Index].ParentToken == CM_NULL_TOKEN) &&
- (Generator->ProcNodeList[Index].Flags &
- EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL))
- {
- if (TopLevelProcNodeIndex != MAX_UINT32) {
- DEBUG ((
- DEBUG_ERROR,
- "ERROR: SSDT-CPU-TOPOLOGY: Top level CM_ARM_PROC_HIERARCHY_INFO "
- "must be unique\n"
- ));
- ASSERT (0);
- goto exit_handler;
- }
-
- TopLevelProcNodeIndex = Index;
- }
- } // for
-
Status = CreateAmlCpuTopologyTree (
Generator,
CfgMgrProtocol,
- Generator->ProcNodeList[TopLevelProcNodeIndex].Token,
+ CM_NULL_TOKEN,
ScopeNode,
&ProcContainerIndex
);
diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.h b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.h index f174d9c2e2..48e4455490 100644 --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.h +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.h @@ -34,6 +34,10 @@ (EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID << 1) | \
(EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF << 3))
+// Leaf nodes specific mask.
+#define PPTT_LEAF_MASK ((EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID << 1) | \
+ (EFI_ACPI_6_3_PPTT_NODE_IS_LEAF << 3))
+
/** LPI states are stored in the ASL namespace at '\_SB_.Lxxx',
with xxx being the node index of the LPI state.
*/
|