diff options
Diffstat (limited to 'MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c | 231 |
1 files changed, 124 insertions, 107 deletions
diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c b/MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c index 96338adec8..c140d9fc30 100644 --- a/MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c +++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c @@ -16,7 +16,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include "DxeMain.h"
-
//
// DXE Core Global Variables for all of the Architectural Protocols.
// If a protocol is installed mArchProtocols[].Present will be TRUE.
@@ -25,30 +24,37 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. // and mArchProtocols[].Registration as it creates events for every array
// entry.
//
+EFI_CORE_PROTOCOL_NOTIFY_ENTRY mArchProtocols[] = {
+ { &gEfiSecurityArchProtocolGuid, (VOID **)&gSecurity, NULL, NULL, FALSE },
+ { &gEfiCpuArchProtocolGuid, (VOID **)&gCpu, NULL, NULL, FALSE },
+ { &gEfiMetronomeArchProtocolGuid, (VOID **)&gMetronome, NULL, NULL, FALSE },
+ { &gEfiTimerArchProtocolGuid, (VOID **)&gTimer, NULL, NULL, FALSE },
+ { &gEfiBdsArchProtocolGuid, (VOID **)&gBds, NULL, NULL, FALSE },
+ { &gEfiWatchdogTimerArchProtocolGuid, (VOID **)&gWatchdogTimer, NULL, NULL, FALSE },
+ { &gEfiRuntimeArchProtocolGuid, (VOID **)&gRuntime, NULL, NULL, FALSE },
+ { &gEfiVariableArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },
+ { &gEfiVariableWriteArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },
+ { &gEfiCapsuleArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },
+ { &gEfiMonotonicCounterArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },
+ { &gEfiResetArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },
+ { &gEfiRealTimeClockArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },
+ { NULL, (VOID **)NULL, NULL, NULL, FALSE }
+};
-ARCHITECTURAL_PROTOCOL_ENTRY mArchProtocols[] = {
- { &gEfiSecurityArchProtocolGuid, (VOID **)&gSecurity, NULL, NULL, FALSE, TRUE },
- { &gEfiCpuArchProtocolGuid, (VOID **)&gCpu, NULL, NULL, FALSE, TRUE },
- { &gEfiMetronomeArchProtocolGuid, (VOID **)&gMetronome, NULL, NULL, FALSE, TRUE },
- { &gEfiTimerArchProtocolGuid, (VOID **)&gTimer, NULL, NULL, FALSE, TRUE },
- { &gEfiBdsArchProtocolGuid, (VOID **)&gBds, NULL, NULL, FALSE, TRUE },
- { &gEfiWatchdogTimerArchProtocolGuid, (VOID **)&gWatchdogTimer, NULL, NULL, FALSE, TRUE },
- { &gEfiRuntimeArchProtocolGuid, (VOID **)&gRuntime, NULL, NULL, FALSE, TRUE },
- { &gEfiVariableArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE, TRUE },
- { &gEfiVariableWriteArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE, TRUE },
- { &gEfiCapsuleArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE, TRUE },
- { &gEfiMonotonicCounterArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE, TRUE },
- { &gEfiResetArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE, TRUE },
- { &gEfiRealTimeClockArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE, TRUE },
- { &gEfiSmmBase2ProtocolGuid, (VOID **)&gSmmBase2, NULL, NULL, FALSE, FALSE }
+//
+// Optional protocols that the DXE Core will use if they are present
+//
+EFI_CORE_PROTOCOL_NOTIFY_ENTRY mOptionalProtocols[] = {
+ { &gEfiSmmBase2ProtocolGuid, (VOID **)&gSmmBase2, NULL, NULL, FALSE },
+ { NULL, (VOID **)NULL, NULL, NULL, FALSE }
};
//
// Following is needed to display missing architectural protocols in debug builds
//
typedef struct {
- EFI_GUID *ProtocolGuid;
- CHAR8 *GuidString;
+ EFI_GUID *ProtocolGuid;
+ CHAR8 *GuidString;
} GUID_TO_STRING_PROTOCOL_ENTRY;
GLOBAL_REMOVE_IF_UNREFERENCED CONST GUID_TO_STRING_PROTOCOL_ENTRY mMissingProtocols[] = {
@@ -64,7 +70,8 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST GUID_TO_STRING_PROTOCOL_ENTRY mMissingProtoc { &gEfiCapsuleArchProtocolGuid, "Capsule" },
{ &gEfiMonotonicCounterArchProtocolGuid, "Monotonic Counter" },
{ &gEfiResetArchProtocolGuid, "Reset" },
- { &gEfiRealTimeClockArchProtocolGuid, "Real Time Clock" }
+ { &gEfiRealTimeClockArchProtocolGuid, "Real Time Clock" },
+ { NULL, "" }
};
/**
@@ -79,14 +86,13 @@ CoreAllEfiServicesAvailable ( VOID
)
{
- UINTN Index;
+ EFI_CORE_PROTOCOL_NOTIFY_ENTRY *Entry;
- for (Index = 0; Index < sizeof (mArchProtocols) / sizeof (mArchProtocols[0]); Index++) {
- if (mArchProtocols[Index].ArchitecturalProtocol && !mArchProtocols[Index].Present) {
+ for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {
+ if (!Entry->Present) {
return EFI_NOT_FOUND;
}
}
-
return EFI_SUCCESS;
}
@@ -104,119 +110,119 @@ CoreAllEfiServicesAvailable ( **/
VOID
EFIAPI
-GenericArchProtocolNotify (
- IN EFI_EVENT Event,
- IN VOID *Context
+GenericProtocolNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
)
{
EFI_STATUS Status;
- ARCHITECTURAL_PROTOCOL_ENTRY *Entry;
+ EFI_CORE_PROTOCOL_NOTIFY_ENTRY *Entry;
VOID *Protocol;
- BOOLEAN Found;
LIST_ENTRY *Link;
LIST_ENTRY TempLinkNode;
- UINTN Index;
- Found = FALSE;
- for (Index = 0; Index < sizeof (mArchProtocols) / sizeof (mArchProtocols[0]); Index++) {
- Entry = &mArchProtocols[Index];
+ //
+ // Get Entry from Context
+ //
+ Entry = (EFI_CORE_PROTOCOL_NOTIFY_ENTRY *)Context;
- Status = CoreLocateProtocol (Entry->ProtocolGuid, Entry->Registration, &Protocol);
- if (EFI_ERROR (Status)) {
- continue;
- }
+ //
+ // See if the expected protocol is present in the handle database
+ //
+ Status = CoreLocateProtocol (Entry->ProtocolGuid, Entry->Registration, &Protocol);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
- Found = TRUE;
- Entry->Present = TRUE;
+ //
+ // Mark the protocol as present
+ //
+ Entry->Present = TRUE;
+ //
+ // Update protocol global variable if one exists. Entry->Protocol points to a global variable
+ // if one exists in the DXE core for this Architectural Protocol
+ //
+ if (Entry->Protocol != NULL) {
+ *(Entry->Protocol) = Protocol;
+ }
+
+ //
+ // Do special operations for Architectural Protocols
+ //
+
+ if (CompareGuid (Entry->ProtocolGuid, &gEfiTimerArchProtocolGuid)) {
//
- // Update protocol global variable if one exists. Entry->Protocol points to a global variable
- // if one exists in the DXE core for this Architectural Protocol
+ // Register the Core timer tick handler with the Timer AP
//
- if (Entry->Protocol != NULL) {
- *(Entry->Protocol) = Protocol;
- }
+ gTimer->RegisterHandler (gTimer, CoreTimerTick);
+ }
- if (CompareGuid (Entry->ProtocolGuid, &gEfiTimerArchProtocolGuid)) {
- //
- // Register the Core timer tick handler with the Timer AP
- //
- gTimer->RegisterHandler (gTimer, CoreTimerTick);
- }
+ if (CompareGuid (Entry->ProtocolGuid, &gEfiRuntimeArchProtocolGuid)) {
+ //
+ // When runtime architectural protocol is available, updates CRC32 in the Debug Table
+ //
+ CoreUpdateDebugTableCrc32 ();
- if (CompareGuid (Entry->ProtocolGuid, &gEfiRuntimeArchProtocolGuid)) {
- //
- // When runtime architectural protocol is available, updates CRC32 in the Debug Table
- //
- CoreUpdateDebugTableCrc32 ();
-
- //
- // Update the Runtime Architectural protocol with the template that the core was
- // using so there would not need to be a dependency on the Runtime AP
- //
-
- //
- // Copy all the registered Image to new gRuntime protocol
- //
- for (Link = gRuntimeTemplate.ImageHead.ForwardLink; Link != &gRuntimeTemplate.ImageHead; Link = TempLinkNode.ForwardLink) {
- CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));
- InsertTailList (&gRuntime->ImageHead, Link);
- }
- //
- // Copy all the registered Event to new gRuntime protocol
- //
- for (Link = gRuntimeTemplate.EventHead.ForwardLink; Link != &gRuntimeTemplate.EventHead; Link = TempLinkNode.ForwardLink) {
- CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));
- InsertTailList (&gRuntime->EventHead, Link);
- }
+ //
+ // Update the Runtime Architectural protocol with the template that the core was
+ // using so there would not need to be a dependency on the Runtime AP
+ //
- //
- // Clean up gRuntimeTemplate
- //
- gRuntimeTemplate.ImageHead.ForwardLink = &gRuntimeTemplate.ImageHead;
- gRuntimeTemplate.ImageHead.BackLink = &gRuntimeTemplate.ImageHead;
- gRuntimeTemplate.EventHead.ForwardLink = &gRuntimeTemplate.EventHead;
- gRuntimeTemplate.EventHead.BackLink = &gRuntimeTemplate.EventHead;
+ //
+ // Copy all the registered Image to new gRuntime protocol
+ //
+ for (Link = gRuntimeTemplate.ImageHead.ForwardLink; Link != &gRuntimeTemplate.ImageHead; Link = TempLinkNode.ForwardLink) {
+ CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));
+ InsertTailList (&gRuntime->ImageHead, Link);
+ }
+ //
+ // Copy all the registered Event to new gRuntime protocol
+ //
+ for (Link = gRuntimeTemplate.EventHead.ForwardLink; Link != &gRuntimeTemplate.EventHead; Link = TempLinkNode.ForwardLink) {
+ CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));
+ InsertTailList (&gRuntime->EventHead, Link);
}
+
+ //
+ // Clean up gRuntimeTemplate
+ //
+ gRuntimeTemplate.ImageHead.ForwardLink = &gRuntimeTemplate.ImageHead;
+ gRuntimeTemplate.ImageHead.BackLink = &gRuntimeTemplate.ImageHead;
+ gRuntimeTemplate.EventHead.ForwardLink = &gRuntimeTemplate.EventHead;
+ gRuntimeTemplate.EventHead.BackLink = &gRuntimeTemplate.EventHead;
}
//
// It's over kill to do them all every time, but it saves a lot of code.
//
- if (Found) {
- CalculateEfiHdrCrc (&gDxeCoreRT->Hdr);
- CalculateEfiHdrCrc (&gBS->Hdr);
- CalculateEfiHdrCrc (&gDxeCoreST->Hdr);
- CalculateEfiHdrCrc (&gDxeCoreDS->Hdr);
- }
+ CalculateEfiHdrCrc (&gDxeCoreRT->Hdr);
+ CalculateEfiHdrCrc (&gBS->Hdr);
+ CalculateEfiHdrCrc (&gDxeCoreST->Hdr);
+ CalculateEfiHdrCrc (&gDxeCoreDS->Hdr);
}
-
-
/**
- Creates an event that is fired everytime a Protocol of a specific type is installed.
+ Creates an event for each entry in a table that is fired everytime a Protocol
+ of a specific type is installed.
**/
VOID
-CoreNotifyOnArchProtocolInstallation (
- VOID
+CoreNotifyOnProtocolEntryTable (
+ EFI_CORE_PROTOCOL_NOTIFY_ENTRY *Entry
)
{
- EFI_STATUS Status;
- ARCHITECTURAL_PROTOCOL_ENTRY *Entry;
- UINTN Index;
-
- for (Index = 0; Index < sizeof (mArchProtocols) / sizeof (mArchProtocols[0]); Index++) {
- Entry = &mArchProtocols[Index];
+ EFI_STATUS Status;
+ for (; Entry->ProtocolGuid != NULL; Entry++) {
//
// Create the event
//
Status = CoreCreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
- GenericArchProtocolNotify,
- NULL,
+ GenericProtocolNotify,
+ Entry,
&Entry->Event
);
ASSERT_EFI_ERROR(Status);
@@ -230,10 +236,23 @@ CoreNotifyOnArchProtocolInstallation ( &Entry->Registration
);
ASSERT_EFI_ERROR(Status);
-
}
}
+/**
+ Creates an events for the Architectural Protocols and the optional protocols
+ that are fired everytime a Protocol of a specific type is installed.
+
+**/
+VOID
+CoreNotifyOnProtocolInstallation (
+ VOID
+ )
+{
+ CoreNotifyOnProtocolEntryTable (mArchProtocols);
+ CoreNotifyOnProtocolEntryTable (mOptionalProtocols);
+}
+
/**
Displays Architectural protocols that were not loaded and are required for DXE
@@ -245,14 +264,12 @@ CoreDisplayMissingArchProtocols ( VOID
)
{
+ EFI_CORE_PROTOCOL_NOTIFY_ENTRY *Entry;
CONST GUID_TO_STRING_PROTOCOL_ENTRY *MissingEntry;
- ARCHITECTURAL_PROTOCOL_ENTRY *Entry;
- UINTN Index;
- for (Index = 0; Index < sizeof (mArchProtocols) / sizeof (mArchProtocols[0]); Index++) {
- Entry = &mArchProtocols[Index];
- if (!Entry->Present && Entry->ArchitecturalProtocol) {
- for (MissingEntry = mMissingProtocols; MissingEntry < sizeof (mMissingProtocols)/sizeof (mMissingProtocols[0]) ; MissingEntry++) {
+ for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {
+ if (!Entry->Present) {
+ for (MissingEntry = mMissingProtocols; MissingEntry->ProtocolGuid != NULL; MissingEntry++) {
if (CompareGuid (Entry->ProtocolGuid, MissingEntry->ProtocolGuid)) {
DEBUG ((DEBUG_ERROR, "\n%a Arch Protocol not present!!\n", MissingEntry->GuidString));
break;
|