diff options
Diffstat (limited to 'MdeModulePkg/Core/Dxe/Misc')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/Misc/DebugImageInfo.c | 260 | ||||
| -rw-r--r-- | MdeModulePkg/Core/Dxe/Misc/InstallConfigurationTable.c | 225 | ||||
| -rw-r--r-- | MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c | 83 | ||||
| -rw-r--r-- | MdeModulePkg/Core/Dxe/Misc/Stall.c | 82 |
4 files changed, 650 insertions, 0 deletions
diff --git a/MdeModulePkg/Core/Dxe/Misc/DebugImageInfo.c b/MdeModulePkg/Core/Dxe/Misc/DebugImageInfo.c new file mode 100644 index 0000000000..3512477c8f --- /dev/null +++ b/MdeModulePkg/Core/Dxe/Misc/DebugImageInfo.c @@ -0,0 +1,260 @@ +/*++
+
+Copyright (c) 2006 - 2007, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ DebugImageInfo.c
+
+Abstract:
+
+ Support functions for managing debug image info table when loading and unloading
+ images.
+
+--*/
+
+#include <DxeMain.h>
+
+
+static EFI_DEBUG_IMAGE_INFO_TABLE_HEADER mDebugInfoTableHeader = {
+ 0, // volatile UINT32 UpdateStatus;
+ 0, // UINT32 TableSize;
+ NULL // EFI_DEBUG_IMAGE_INFO *EfiDebugImageInfoTable;
+};
+
+static EFI_SYSTEM_TABLE_POINTER *mDebugTable = NULL;
+
+
+VOID
+CoreInitializeDebugImageInfoTable (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Creates and initializes the DebugImageInfo Table. Also creates the configuration
+ table and registers it into the system table.
+
+Arguments:
+ None
+
+Returns:
+ NA
+
+Notes:
+ This function allocates memory, frees it, and then allocates memory at an
+ address within the initial allocation. Since this function is called early
+ in DXE core initialization (before drivers are dispatched), this should not
+ be a problem.
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS Mem;
+ UINTN NumberOfPages;
+
+ //
+ // Allocate boot services memory for the structure. It's required to be aligned on
+ // a 4M boundary, so allocate a 4M block (plus what we require), free it up, calculate
+ // a 4M aligned address within the memory we just freed, and then allocate memory at that
+ // address for our initial structure.
+ //
+ NumberOfPages = FOUR_MEG_PAGES + EFI_SIZE_TO_PAGES(sizeof (EFI_SYSTEM_TABLE_POINTER));
+
+ Status = CoreAllocatePages (AllocateAnyPages, EfiBootServicesData, NumberOfPages , &Mem);
+ ASSERT_EFI_ERROR (Status);
+ if (EFI_ERROR(Status)) {
+ return;
+ }
+ Status = CoreFreePages (Mem, NumberOfPages);
+ ASSERT_EFI_ERROR (Status);
+ if (EFI_ERROR(Status)) {
+ return;
+ }
+ //
+ // Now get a 4M aligned address within the memory range we were given.
+ // Then allocate memory at that address
+ //
+ Mem = (Mem + FOUR_MEG_MASK) & (~FOUR_MEG_MASK);
+
+ Status = CoreAllocatePages (AllocateAddress, EfiBootServicesData, NumberOfPages - FOUR_MEG_PAGES, &Mem);
+ ASSERT_EFI_ERROR (Status);
+ if (EFI_ERROR(Status)) {
+ return;
+ }
+ //
+ // We now have a 4M aligned page allocated, so fill in the data structure.
+ // Ideally we would update the CRC now as well, but the service may not yet be available.
+ // See comments in the CoreUpdateDebugTableCrc32() function below for details.
+ //
+ mDebugTable = (EFI_SYSTEM_TABLE_POINTER *)(UINTN)Mem;
+ mDebugTable->Signature = EFI_SYSTEM_TABLE_SIGNATURE;
+ mDebugTable->EfiSystemTableBase = (EFI_PHYSICAL_ADDRESS) (UINTN) gDxeCoreST;
+ mDebugTable->Crc32 = 0;
+ Status = CoreInstallConfigurationTable (&gEfiDebugImageInfoTableGuid, &mDebugInfoTableHeader);
+ ASSERT_EFI_ERROR (Status);
+}
+
+VOID
+CoreUpdateDebugTableCrc32 (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Update the CRC32 in the Debug Table.
+ Since the CRC32 service is made available by the Runtime driver, we have to
+ wait for the Runtime Driver to be installed before the CRC32 can be computed.
+ This function is called elsewhere by the core when the runtime architectural
+ protocol is produced.
+
+Arguments:
+ None
+
+Returns:
+ NA
+
+--*/
+{
+ ASSERT(mDebugTable != NULL);
+ mDebugTable->Crc32 = 0;
+ gDxeCoreBS->CalculateCrc32 ((VOID *)mDebugTable, sizeof (EFI_SYSTEM_TABLE_POINTER), &mDebugTable->Crc32);
+}
+
+VOID
+CoreNewDebugImageInfoEntry (
+ IN UINT32 ImageInfoType,
+ IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage,
+ IN EFI_HANDLE ImageHandle
+ )
+/*++
+
+Routine Description:
+
+ Adds a new DebugImageInfo structure to the DebugImageInfo Table. Re-Allocates
+ the table if it's not large enough to accomidate another entry.
+
+Arguments:
+
+ ImageInfoType - type of debug image information
+ LoadedImage - pointer to the loaded image protocol for the image being loaded
+ ImageHandle - image handle for the image being loaded
+
+Returns:
+ NA
+
+--*/
+{
+ EFI_DEBUG_IMAGE_INFO *Table;
+ EFI_DEBUG_IMAGE_INFO *NewTable;
+ UINTN Index;
+ UINTN MaxTableIndex;
+ UINTN TableSize;
+
+ //
+ // Set the flag indicating that we're in the process of updating the table.
+ //
+ mDebugInfoTableHeader.UpdateStatus |= EFI_DEBUG_IMAGE_INFO_UPDATE_IN_PROGRESS;
+
+ Table = mDebugInfoTableHeader.EfiDebugImageInfoTable;
+ MaxTableIndex = mDebugInfoTableHeader.TableSize;
+
+ for (Index = 0; Index < MaxTableIndex; Index++) {
+ if (Table[Index].NormalImage == NULL) {
+ //
+ // We have found a free entry so exit the loop
+ //
+ break;
+ }
+ }
+ if (Index == MaxTableIndex) {
+ //
+ // Table is full, so re-allocate another page for a larger table...
+ //
+ TableSize = MaxTableIndex * EFI_DEBUG_TABLE_ENTRY_SIZE;
+ NewTable = CoreAllocateZeroBootServicesPool (TableSize + EFI_PAGE_SIZE);
+ if (NewTable == NULL) {
+ mDebugInfoTableHeader.UpdateStatus &= ~EFI_DEBUG_IMAGE_INFO_UPDATE_IN_PROGRESS;
+ return;
+ }
+ //
+ // Copy the old table into the new one
+ //
+ CopyMem (NewTable, Table, TableSize);
+ //
+ // Free the old table
+ //
+ CoreFreePool (Table);
+ //
+ // Update the table header
+ //
+ Table = NewTable;
+ mDebugInfoTableHeader.EfiDebugImageInfoTable = NewTable;
+ mDebugInfoTableHeader.TableSize += EFI_PAGE_SIZE / EFI_DEBUG_TABLE_ENTRY_SIZE;
+ }
+ //
+ // Allocate data for new entry
+ //
+ Table[Index].NormalImage = CoreAllocateZeroBootServicesPool (sizeof (EFI_DEBUG_IMAGE_INFO_NORMAL));
+ if (Table[Index].NormalImage != NULL) {
+ //
+ // Update the entry
+ //
+ Table[Index].NormalImage->ImageInfoType = (UINT32) ImageInfoType;
+ Table[Index].NormalImage->LoadedImageProtocolInstance = LoadedImage;
+ Table[Index].NormalImage->ImageHandle = ImageHandle;
+ }
+ mDebugInfoTableHeader.UpdateStatus &= ~EFI_DEBUG_IMAGE_INFO_UPDATE_IN_PROGRESS;
+}
+
+
+VOID
+CoreRemoveDebugImageInfoEntry (
+ EFI_HANDLE ImageHandle
+ )
+/*++
+
+Routine Description:
+
+ Removes and frees an entry from the DebugImageInfo Table.
+
+Arguments:
+
+ ImageHandle - image handle for the image being unloaded
+
+Returns:
+
+ NA
+
+--*/
+{
+ EFI_DEBUG_IMAGE_INFO *Table;
+ UINTN Index;
+
+ mDebugInfoTableHeader.UpdateStatus |= EFI_DEBUG_IMAGE_INFO_UPDATE_IN_PROGRESS;
+
+ Table = mDebugInfoTableHeader.EfiDebugImageInfoTable;
+
+ for (Index = 0; Index < mDebugInfoTableHeader.TableSize; Index++) {
+ if (Table[Index].NormalImage != NULL && Table[Index].NormalImage->ImageHandle == ImageHandle) {
+ //
+ // Found a match. Free up the record, then NULL the pointer to indicate the slot
+ // is free.
+ //
+ CoreFreePool (Table[Index].NormalImage);
+ Table[Index].NormalImage = NULL;
+ break;
+ }
+ }
+ mDebugInfoTableHeader.UpdateStatus &= ~EFI_DEBUG_IMAGE_INFO_UPDATE_IN_PROGRESS;
+}
+
diff --git a/MdeModulePkg/Core/Dxe/Misc/InstallConfigurationTable.c b/MdeModulePkg/Core/Dxe/Misc/InstallConfigurationTable.c new file mode 100644 index 0000000000..677a2108bf --- /dev/null +++ b/MdeModulePkg/Core/Dxe/Misc/InstallConfigurationTable.c @@ -0,0 +1,225 @@ +/*++
+
+Copyright (c) 2006 - 2007, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ InstallConfigurationTable.c
+
+
+Abstract:
+
+ Tiano Miscellaneous Services InstallConfigurationTable service
+
+--*/
+
+#include <DxeMain.h>
+
+#define CONFIG_TABLE_SIZE_INCREASED 0x10
+
+UINTN mSystemTableAllocateSize = 0;
+
+
+EFI_STATUS
+CoreGetConfigTable (
+ IN EFI_GUID *Guid,
+ OUT VOID **Table
+ )
+/*++
+
+Routine Description:
+
+ Find a config table by name in system table's ConfigurationTable.
+
+Arguments:
+
+ Guid - The table name to look for
+
+ Table - Pointer of the config table
+
+Returns:
+
+ EFI_NOT_FOUND - Could not find the table in system table's ConfigurationTable.
+
+ EFI_SUCCESS - Table successfully found.
+
+--*/
+{
+ UINTN Index;
+
+ for (Index = 0; Index < gDxeCoreST->NumberOfTableEntries; Index++) {
+ if (CompareGuid (Guid, &(gDxeCoreST->ConfigurationTable[Index].VendorGuid))) {
+ *Table = gDxeCoreST->ConfigurationTable[Index].VendorTable;
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+
+
+EFI_STATUS
+EFIAPI
+CoreInstallConfigurationTable (
+ IN EFI_GUID *Guid,
+ IN VOID *Table
+ )
+/*++
+
+Routine Description:
+
+ Boot Service called to add, modify, or remove a system configuration table from
+ the EFI System Table.
+
+Arguments:
+
+ Guid - Pointer to the GUID for the entry to add, update, or remove
+ Table - Pointer to the configuration table for the entry to add, update, or
+ remove, may be NULL.
+
+Returns:
+
+ EFI_SUCCESS Guid, Table pair added, updated, or removed.
+ EFI_INVALID_PARAMETER Input GUID not valid.
+ EFI_NOT_FOUND Attempted to delete non-existant entry
+ EFI_OUT_OF_RESOURCES Not enough memory available
+
+--*/
+{
+ UINTN Index;
+ EFI_CONFIGURATION_TABLE *EfiConfigurationTable;
+
+ //
+ // If Guid is NULL, then this operation cannot be performed
+ //
+ if (Guid == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ EfiConfigurationTable = gDxeCoreST->ConfigurationTable;
+
+ //
+ // Search all the table for an entry that matches Guid
+ //
+ for (Index = 0; Index < gDxeCoreST->NumberOfTableEntries; Index++) {
+ if (CompareGuid (Guid, &(gDxeCoreST->ConfigurationTable[Index].VendorGuid))) {
+ break;
+ }
+ }
+
+ if (Index < gDxeCoreST->NumberOfTableEntries) {
+ //
+ // A match was found, so this is either a modify or a delete operation
+ //
+ if (Table != NULL) {
+ //
+ // If Table is not NULL, then this is a modify operation.
+ // Modify the table enty and return.
+ //
+ gDxeCoreST->ConfigurationTable[Index].VendorTable = Table;
+
+ //
+ // Signal Configuration Table change
+ //
+ CoreNotifySignalList (Guid);
+
+ return EFI_SUCCESS;
+ }
+
+ //
+ // A match was found and Table is NULL, so this is a delete operation.
+ //
+ gDxeCoreST->NumberOfTableEntries--;
+
+ //
+ // Copy over deleted entry
+ //
+ CopyMem (
+ &(EfiConfigurationTable[Index]),
+ &(gDxeCoreST->ConfigurationTable[Index + 1]),
+ (gDxeCoreST->NumberOfTableEntries - Index) * sizeof (EFI_CONFIGURATION_TABLE)
+ );
+
+ } else {
+
+ //
+ // No matching GUIDs were found, so this is an add operation.
+ //
+
+ if (Table == NULL) {
+ //
+ // If Table is NULL on an add operation, then return an error.
+ //
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Assume that Index == gDxeCoreST->NumberOfTableEntries
+ //
+ if ((Index * sizeof (EFI_CONFIGURATION_TABLE)) >= mSystemTableAllocateSize) {
+ //
+ // Allocate a table with one additional entry.
+ //
+ mSystemTableAllocateSize += (CONFIG_TABLE_SIZE_INCREASED * sizeof (EFI_CONFIGURATION_TABLE));
+ EfiConfigurationTable = CoreAllocateRuntimePool (mSystemTableAllocateSize);
+ if (EfiConfigurationTable == NULL) {
+ //
+ // If a new table could not be allocated, then return an error.
+ //
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ if (gDxeCoreST->ConfigurationTable != NULL) {
+ //
+ // Copy the old table to the new table.
+ //
+ CopyMem (
+ EfiConfigurationTable,
+ gDxeCoreST->ConfigurationTable,
+ Index * sizeof (EFI_CONFIGURATION_TABLE)
+ );
+
+ //
+ // Free Old Table
+ //
+ CoreFreePool (gDxeCoreST->ConfigurationTable);
+ }
+
+ //
+ // Update System Table
+ //
+ gDxeCoreST->ConfigurationTable = EfiConfigurationTable;
+ }
+
+ //
+ // Fill in the new entry
+ //
+ CopyMem ((VOID *)&EfiConfigurationTable[Index].VendorGuid, Guid, sizeof (EFI_GUID));
+ EfiConfigurationTable[Index].VendorTable = Table;
+
+ //
+ // This is an add operation, so increment the number of table entries
+ //
+ gDxeCoreST->NumberOfTableEntries++;
+ }
+
+ //
+ // Fix up the CRC-32 in the EFI System Table
+ //
+ CalculateEfiHdrCrc (&gDxeCoreST->Hdr);
+
+ //
+ // Signal Configuration Table change
+ //
+ CoreNotifySignalList (Guid);
+
+ return EFI_SUCCESS;
+}
diff --git a/MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c b/MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c new file mode 100644 index 0000000000..c11c926e06 --- /dev/null +++ b/MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c @@ -0,0 +1,83 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ SetWatchdogTimer.c
+
+Abstract:
+
+ Tiano Miscellaneous Services SetWatchdogTimer service implementation
+
+--*/
+
+#include <DxeMain.h>
+
+#define WATCHDOG_TIMER_CALIBRATE_PER_SECOND 10000000
+
+
+EFI_STATUS
+EFIAPI
+CoreSetWatchdogTimer (
+ IN UINTN Timeout,
+ IN UINT64 WatchdogCode,
+ IN UINTN DataSize,
+ IN CHAR16 *WatchdogData OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Sets the system's watchdog timer.
+
+Arguments:
+
+ Timeout The number of seconds. Zero disables the timer.
+
+ ///////following three parameters are left for platform specific using
+
+ WatchdogCode The numberic code to log. 0x0 to 0xffff are firmware
+ DataSize Size of the optional data
+ WatchdogData Optional Null terminated unicode string followed by binary
+ data.
+
+Returns:
+
+ EFI_SUCCESS Timeout has been set
+ EFI_NOT_AVAILABLE_YET WatchdogTimer is not available yet
+ EFI_UNSUPPORTED System does not have a timer (currently not used)
+ EFI_DEVICE_ERROR Could not complete due to hardware error
+
+--*/
+{
+ EFI_STATUS Status;
+
+ //
+ // Check our architectural protocol
+ //
+ if (gWatchdogTimer == NULL) {
+ return EFI_NOT_AVAILABLE_YET;
+ }
+
+ //
+ // Attempt to set the timeout
+ //
+ Status = gWatchdogTimer->SetTimerPeriod (gWatchdogTimer, MultU64x32 (Timeout, WATCHDOG_TIMER_CALIBRATE_PER_SECOND));
+
+ //
+ // Check for errors
+ //
+ if (EFI_ERROR (Status)) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/MdeModulePkg/Core/Dxe/Misc/Stall.c b/MdeModulePkg/Core/Dxe/Misc/Stall.c new file mode 100644 index 0000000000..c251f31dc9 --- /dev/null +++ b/MdeModulePkg/Core/Dxe/Misc/Stall.c @@ -0,0 +1,82 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ Stall.c
+
+Abstract:
+
+ Tiano Miscellaneous Services Stall service implementation
+
+--*/
+
+//
+// Include statements
+//
+
+#include <DxeMain.h>
+
+
+EFI_STATUS
+EFIAPI
+CoreStall (
+ IN UINTN Microseconds
+ )
+/*++
+
+Routine Description:
+
+ Introduces a fine-grained stall.
+
+Arguments:
+
+ Microseconds The number of microseconds to stall execution
+
+Returns:
+
+ EFI_SUCCESS - Execution was stalled for at least the requested amount
+ of microseconds.
+
+ EFI_NOT_AVAILABLE_YET - gMetronome is not available yet
+
+--*/
+{
+ UINT32 Counter;
+ UINT32 Remainder;
+
+ if (gMetronome == NULL) {
+ return EFI_NOT_AVAILABLE_YET;
+ }
+
+ //
+ // Calculate the number of ticks by dividing the number of microseconds by
+ // the TickPeriod.
+ // Calcullation is based on 100ns unit.
+ //
+ Counter = (UINT32) DivU64x32Remainder (
+ Microseconds * 10,
+ gMetronome->TickPeriod,
+ &Remainder
+ );
+
+ //
+ // Call WaitForTick for Counter + 1 ticks to try to guarantee Counter tick
+ // periods, thus attempting to ensure Microseconds of stall time.
+ //
+ if (Remainder != 0) {
+ Counter++;
+ }
+
+ gMetronome->WaitForTick (gMetronome, Counter);
+
+ return EFI_SUCCESS;
+}
|