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| author | yshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-04 10:51:54 +0000 |
|---|---|---|
| committer | yshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-04 10:51:54 +0000 |
| commit | 28a00297189c323096aae8e2975de94e8549613c (patch) | |
| tree | 8a54411753e08948bea7883421fdec3d4e423e3f /MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c | |
| parent | db6c5cc103afe0575d9662b0a74eabb06ecff536 (diff) | |
| download | edk2-28a00297189c323096aae8e2975de94e8549613c.tar.gz edk2-28a00297189c323096aae8e2975de94e8549613c.tar.bz2 edk2-28a00297189c323096aae8e2975de94e8549613c.zip | |
Check in DxeCore for Nt32 platform. Currently, it does not follow PI/UEFI2.1.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3045 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/Misc/SetWatchdogTimer.c | 83 |
1 files changed, 83 insertions, 0 deletions
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;
+}
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