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Diffstat (limited to 'StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c')
-rw-r--r--StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c78
1 files changed, 42 insertions, 36 deletions
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c
index d9d1fe1551..1ac15ddda2 100644
--- a/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c
+++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/EventHandle.c
@@ -11,7 +11,6 @@
#include <Base.h>
#include <Pi/PiMmCis.h>
-
#include <Library/ArmSvcLib.h>
#include <Library/ArmLib.h>
#include <Library/BaseMemoryLib.h>
@@ -32,7 +31,7 @@ EFI_STATUS
EFIAPI
MmFoundationEntryRegister (
IN CONST EFI_MM_CONFIGURATION_PROTOCOL *This,
- IN EFI_MM_ENTRY_POINT MmEntryPoint
+ IN EFI_MM_ENTRY_POINT MmEntryPoint
);
//
@@ -46,19 +45,19 @@ MmFoundationEntryRegister (
// number of CPUs in the system are made known through the
// MP_INFORMATION_HOB_DATA.
//
-EFI_MM_COMMUNICATE_HEADER **PerCpuGuidedEventContext = NULL;
+EFI_MM_COMMUNICATE_HEADER **PerCpuGuidedEventContext = NULL;
// Descriptor with whereabouts of memory used for communication with the normal world
EFI_MMRAM_DESCRIPTOR mNsCommBuffer;
-MP_INFORMATION_HOB_DATA *mMpInformationHobData;
+MP_INFORMATION_HOB_DATA *mMpInformationHobData;
-EFI_MM_CONFIGURATION_PROTOCOL mMmConfig = {
+EFI_MM_CONFIGURATION_PROTOCOL mMmConfig = {
0,
MmFoundationEntryRegister
};
-STATIC EFI_MM_ENTRY_POINT mMmEntryPoint = NULL;
+STATIC EFI_MM_ENTRY_POINT mMmEntryPoint = NULL;
/**
The PI Standalone MM entry point for the TF-A CPU driver.
@@ -75,15 +74,15 @@ STATIC EFI_MM_ENTRY_POINT mMmEntryPoint = NULL;
**/
EFI_STATUS
PiMmStandaloneArmTfCpuDriverEntry (
- IN UINTN EventId,
- IN UINTN CpuNumber,
- IN UINTN NsCommBufferAddr
+ IN UINTN EventId,
+ IN UINTN CpuNumber,
+ IN UINTN NsCommBufferAddr
)
{
- EFI_MM_COMMUNICATE_HEADER *GuidedEventContext;
- EFI_MM_ENTRY_CONTEXT MmEntryPointContext;
- EFI_STATUS Status;
- UINTN NsCommBufferSize;
+ EFI_MM_COMMUNICATE_HEADER *GuidedEventContext;
+ EFI_MM_ENTRY_CONTEXT MmEntryPointContext;
+ EFI_STATUS Status;
+ UINTN NsCommBufferSize;
DEBUG ((DEBUG_INFO, "Received event - 0x%x on cpu %d\n", EventId, CpuNumber));
@@ -94,7 +93,8 @@ PiMmStandaloneArmTfCpuDriverEntry (
// between synchronous and asynchronous events.
//
if ((ARM_SMC_ID_MM_COMMUNICATE != EventId) &&
- (ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ != EventId)) {
+ (ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ != EventId))
+ {
DEBUG ((DEBUG_INFO, "UnRecognized Event - 0x%x\n", EventId));
return EFI_INVALID_PARAMETER;
}
@@ -109,17 +109,19 @@ PiMmStandaloneArmTfCpuDriverEntry (
}
if ((NsCommBufferAddr + sizeof (EFI_MM_COMMUNICATE_HEADER)) >=
- (mNsCommBuffer.PhysicalStart + mNsCommBuffer.PhysicalSize)) {
+ (mNsCommBuffer.PhysicalStart + mNsCommBuffer.PhysicalSize))
+ {
return EFI_INVALID_PARAMETER;
}
// Find out the size of the buffer passed
- NsCommBufferSize = ((EFI_MM_COMMUNICATE_HEADER *) NsCommBufferAddr)->MessageLength +
- sizeof (EFI_MM_COMMUNICATE_HEADER);
+ NsCommBufferSize = ((EFI_MM_COMMUNICATE_HEADER *)NsCommBufferAddr)->MessageLength +
+ sizeof (EFI_MM_COMMUNICATE_HEADER);
// perform bounds check.
if (NsCommBufferAddr + NsCommBufferSize >=
- mNsCommBuffer.PhysicalStart + mNsCommBuffer.PhysicalSize) {
+ mNsCommBuffer.PhysicalStart + mNsCommBuffer.PhysicalSize)
+ {
return EFI_ACCESS_DENIED;
}
@@ -129,7 +131,7 @@ PiMmStandaloneArmTfCpuDriverEntry (
Status = mMmst->MmAllocatePool (
EfiRuntimeServicesData,
NsCommBufferSize,
- (VOID **) &GuidedEventContext
+ (VOID **)&GuidedEventContext
);
if (Status != EFI_SUCCESS) {
@@ -139,7 +141,7 @@ PiMmStandaloneArmTfCpuDriverEntry (
// X1 contains the VA of the normal world memory accessible from
// S-EL0
- CopyMem (GuidedEventContext, (CONST VOID *) NsCommBufferAddr, NsCommBufferSize);
+ CopyMem (GuidedEventContext, (CONST VOID *)NsCommBufferAddr, NsCommBufferSize);
// Stash the pointer to the allocated Event Context for this CPU
PerCpuGuidedEventContext[CpuNumber] = GuidedEventContext;
@@ -147,13 +149,13 @@ PiMmStandaloneArmTfCpuDriverEntry (
ZeroMem (&MmEntryPointContext, sizeof (EFI_MM_ENTRY_CONTEXT));
MmEntryPointContext.CurrentlyExecutingCpu = CpuNumber;
- MmEntryPointContext.NumberOfCpus = mMpInformationHobData->NumberOfProcessors;
+ MmEntryPointContext.NumberOfCpus = mMpInformationHobData->NumberOfProcessors;
// Populate the MM system table with MP and state information
mMmst->CurrentlyExecutingCpu = CpuNumber;
- mMmst->NumberOfCpus = mMpInformationHobData->NumberOfProcessors;
- mMmst->CpuSaveStateSize = 0;
- mMmst->CpuSaveState = NULL;
+ mMmst->NumberOfCpus = mMpInformationHobData->NumberOfProcessors;
+ mMmst->CpuSaveStateSize = 0;
+ mMmst->CpuSaveState = NULL;
if (mMmEntryPoint == NULL) {
DEBUG ((DEBUG_INFO, "Mm Entry point Not Found\n"));
@@ -164,12 +166,13 @@ PiMmStandaloneArmTfCpuDriverEntry (
// Free the memory allocation done earlier and reset the per-cpu context
ASSERT (GuidedEventContext);
- CopyMem ((VOID *)NsCommBufferAddr, (CONST VOID *) GuidedEventContext, NsCommBufferSize);
+ CopyMem ((VOID *)NsCommBufferAddr, (CONST VOID *)GuidedEventContext, NsCommBufferSize);
- Status = mMmst->MmFreePool ((VOID *) GuidedEventContext);
+ Status = mMmst->MmFreePool ((VOID *)GuidedEventContext);
if (Status != EFI_SUCCESS) {
return EFI_OUT_OF_RESOURCES;
}
+
PerCpuGuidedEventContext[CpuNumber] = NULL;
return Status;
@@ -187,7 +190,7 @@ EFI_STATUS
EFIAPI
MmFoundationEntryRegister (
IN CONST EFI_MM_CONFIGURATION_PROTOCOL *This,
- IN EFI_MM_ENTRY_POINT MmEntryPoint
+ IN EFI_MM_ENTRY_POINT MmEntryPoint
)
{
// store the entry point in a global
@@ -214,14 +217,14 @@ MmFoundationEntryRegister (
EFI_STATUS
EFIAPI
PiMmCpuTpFwRootMmiHandler (
- IN EFI_HANDLE DispatchHandle,
- IN CONST VOID *Context OPTIONAL,
- IN OUT VOID *CommBuffer OPTIONAL,
- IN OUT UINTN *CommBufferSize OPTIONAL
+ IN EFI_HANDLE DispatchHandle,
+ IN CONST VOID *Context OPTIONAL,
+ IN OUT VOID *CommBuffer OPTIONAL,
+ IN OUT UINTN *CommBufferSize OPTIONAL
)
{
- EFI_STATUS Status;
- UINTN CpuNumber;
+ EFI_STATUS Status;
+ UINTN CpuNumber;
ASSERT (Context == NULL);
ASSERT (CommBuffer == NULL);
@@ -232,9 +235,12 @@ PiMmCpuTpFwRootMmiHandler (
return EFI_NOT_FOUND;
}
- DEBUG ((DEBUG_INFO, "CommBuffer - 0x%x, CommBufferSize - 0x%x\n",
- PerCpuGuidedEventContext[CpuNumber],
- PerCpuGuidedEventContext[CpuNumber]->MessageLength));
+ DEBUG ((
+ DEBUG_INFO,
+ "CommBuffer - 0x%x, CommBufferSize - 0x%x\n",
+ PerCpuGuidedEventContext[CpuNumber],
+ PerCpuGuidedEventContext[CpuNumber]->MessageLength
+ ));
Status = mMmst->MmiManage (
&PerCpuGuidedEventContext[CpuNumber]->HeaderGuid,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 05:17:49 +0000