diff options
| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
|---|---|---|
| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
| commit | 878ddf1fc3540a715f63594ed22b6929e881afb4 (patch) | |
| tree | c56c44dac138137b510e1fba7c3efe5e4d84bea2 /EdkModulePkg/Library/EdkRuntimeStatusCodeLib/RtMemoryStatusCode/RtMemoryStatusCode.c | |
| download | edk2-platforms-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.xz | |
Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkModulePkg/Library/EdkRuntimeStatusCodeLib/RtMemoryStatusCode/RtMemoryStatusCode.c')
| -rw-r--r-- | EdkModulePkg/Library/EdkRuntimeStatusCodeLib/RtMemoryStatusCode/RtMemoryStatusCode.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/EdkModulePkg/Library/EdkRuntimeStatusCodeLib/RtMemoryStatusCode/RtMemoryStatusCode.c b/EdkModulePkg/Library/EdkRuntimeStatusCodeLib/RtMemoryStatusCode/RtMemoryStatusCode.c new file mode 100644 index 0000000000..375a338a85 --- /dev/null +++ b/EdkModulePkg/Library/EdkRuntimeStatusCodeLib/RtMemoryStatusCode/RtMemoryStatusCode.c @@ -0,0 +1,188 @@ +/*++
+
+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:
+
+ RtMemoryStatusCode.c
+
+Abstract:
+
+ EFI lib to provide memory journal status code reporting routines.
+
+--*/
+
+#include <Ppi/StatusCodeMemory.h>
+
+//
+// Global variables
+//
+PEI_STATUS_CODE_MEMORY_PPI mStatusCodeMemoryPpi = { 0, 0, 0, 0 };
+
+//
+// Function implementations
+//
+EFI_STATUS
+RtMemoryReportStatusCode (
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN UINT32 Instance,
+ IN EFI_GUID * CallerId,
+ IN EFI_STATUS_CODE_DATA * Data OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Log a status code to a memory journal. If no memory journal exists,
+ we will just return.
+
+Arguments:
+
+ Same as ReportStatusCode AP
+
+Returns:
+
+ EFI_SUCCESS This function always returns success
+
+--*/
+{
+ EFI_STATUS_CODE_ENTRY *CurrentEntry;
+ UINTN MaxEntry;
+
+ //
+ // We don't care to log debug codes.
+ //
+ if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) {
+ return EFI_SUCCESS;
+ }
+ //
+ // Update the latest entry in the journal.
+ //
+ MaxEntry = mStatusCodeMemoryPpi.Length / sizeof (EFI_STATUS_CODE_ENTRY);
+ if (!MaxEntry) {
+ //
+ // If we don't have any entries, then we can return.
+ // This effectively means that no memory buffer was passed forward from PEI.
+ //
+ return EFI_SUCCESS;
+ }
+
+ CurrentEntry = (EFI_STATUS_CODE_ENTRY *) (UINTN) (mStatusCodeMemoryPpi.Address + (mStatusCodeMemoryPpi.LastEntry * sizeof (EFI_STATUS_CODE_ENTRY)));
+
+ mStatusCodeMemoryPpi.LastEntry = (mStatusCodeMemoryPpi.LastEntry + 1) % MaxEntry;
+ if (mStatusCodeMemoryPpi.LastEntry == mStatusCodeMemoryPpi.FirstEntry) {
+ mStatusCodeMemoryPpi.FirstEntry = (mStatusCodeMemoryPpi.FirstEntry + 1) % MaxEntry;
+ }
+
+ CurrentEntry->Type = CodeType;
+ CurrentEntry->Value = Value;
+ CurrentEntry->Instance = Instance;
+
+ return EFI_SUCCESS;
+}
+
+VOID
+RtMemoryStatusCodeInitialize (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Initialization routine.
+ Allocates heap space for storing Status Codes.
+ Installs a PPI to point to that heap space.
+ Installs a callback to switch to memory.
+ Installs a callback to
+
+Arguments:
+
+ (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
+
+Returns:
+
+ None
+
+--*/
+{
+ EFI_HOB_GUID_TYPE *GuidHob;
+ PEI_STATUS_CODE_MEMORY_PPI **StatusCodeMemoryPpi;
+
+ GuidHob = GetFirstGuidHob (&gPeiStatusCodeMemoryPpiGuid);
+ if (GuidHob == NULL) {
+ return;
+ }
+
+ StatusCodeMemoryPpi = GET_GUID_HOB_DATA (GuidHob);
+
+ //
+ // Copy data to our structure since the HOB will go away at runtime
+ //
+ // BUGBUG: Virtualize for RT
+ //
+ mStatusCodeMemoryPpi.FirstEntry = (*StatusCodeMemoryPpi)->FirstEntry;
+ mStatusCodeMemoryPpi.LastEntry = (*StatusCodeMemoryPpi)->LastEntry;
+ mStatusCodeMemoryPpi.Address = (*StatusCodeMemoryPpi)->Address;
+ mStatusCodeMemoryPpi.Length = (*StatusCodeMemoryPpi)->Length;
+}
+
+VOID
+PlaybackStatusCodes (
+ IN EFI_REPORT_STATUS_CODE ReportStatusCodeFunc
+ )
+/*++
+
+Routine Description:
+
+ Call the input ReportStatusCode function with every status code recorded in
+ the journal.
+
+Arguments:
+
+ ReportStatusCode ReportStatusCode function to call.
+
+Returns:
+
+ None
+
+--*/
+{
+ UINTN MaxEntry;
+ EFI_STATUS_CODE_ENTRY *CurrentEntry;
+ UINTN Counter;
+
+ if (ReportStatusCodeFunc == RtMemoryReportStatusCode) {
+ return ;
+ }
+ //
+ // Playback prior status codes to current listeners
+ //
+ MaxEntry = mStatusCodeMemoryPpi.Length / sizeof (EFI_STATUS_CODE_ENTRY);
+ for (Counter = mStatusCodeMemoryPpi.FirstEntry; Counter != mStatusCodeMemoryPpi.LastEntry; Counter++) {
+ //
+ // Check if we have to roll back to beginning of queue buffer
+ //
+ if (Counter == MaxEntry) {
+ Counter = 0;
+ }
+ //
+ // Play current entry
+ //
+ CurrentEntry = (EFI_STATUS_CODE_ENTRY *) (UINTN) (mStatusCodeMemoryPpi.Address + (Counter * sizeof (EFI_STATUS_CODE_ENTRY)));
+ ReportStatusCodeFunc (
+ CurrentEntry->Type,
+ CurrentEntry->Value,
+ CurrentEntry->Instance,
+ NULL,
+ NULL
+ );
+ }
+}
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