summaryrefslogtreecommitdiff
path: root/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmSw.c
diff options
context:
space:
mode:
Diffstat (limited to 'ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmSw.c')
-rw-r--r--ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmSw.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmSw.c b/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmSw.c
new file mode 100644
index 0000000..9a20df3
--- /dev/null
+++ b/ReferenceCode/Chipset/LynxPoint/PchSmiDispatcher/Smm/PchSmmSw.c
@@ -0,0 +1,87 @@
+/** @file
+ File to contain all the hardware specific stuff for the Smm Sw dispatch protocol.
+
+@copyright
+ Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
+ This software and associated documentation (if any) is furnished
+ under a license and may only be used or copied in accordance
+ with the terms of the license. Except as permitted by such
+ license, no part of this software or documentation may be
+ reproduced, stored in a retrieval system, or transmitted in any
+ form or by any means without the express written consent of
+ Intel Corporation.
+
+ This file contains an 'Intel Peripheral Driver' and uniquely
+ identified as "Intel Reference Module" and is
+ licensed for Intel CPUs and chipsets under the terms of your
+ license agreement with Intel or your vendor. This file may
+ be modified by the user, subject to additional terms of the
+ license agreement
+**/
+#include "PchSmmHelpers.h"
+
+const PCH_SMM_SOURCE_DESC SW_SOURCE_DESC = {
+ PCH_SMM_NO_FLAGS,
+ {
+ {
+ {
+ ACPI_ADDR_TYPE,
+ R_PCH_SMI_EN
+ },
+ S_PCH_SMI_EN,
+ N_PCH_SMI_EN_APMC
+ },
+ NULL_BIT_DESC_INITIALIZER
+ },
+ {
+ {
+ {
+ ACPI_ADDR_TYPE,
+ R_PCH_SMI_STS
+ },
+ S_PCH_SMI_STS,
+ N_PCH_SMI_STS_APM
+ }
+ }
+};
+
+/**
+ Get the Software Smi value
+
+ @param[in] Record No use
+ @param[out] Context The context that includes Software Smi value to be filled
+
+ @retval None
+**/
+VOID
+EFIAPI
+SwGetContext (
+ IN DATABASE_RECORD *Record,
+ OUT PCH_SMM_CONTEXT *Context
+ )
+{
+ UINT8 ApmCnt;
+
+ ApmCnt = IoRead8 ((UINTN) R_PCH_APM_CNT);
+
+ Context->Sw.SwSmiInputValue = ApmCnt;
+}
+
+/**
+ Check whether software SMI value of two contexts match
+
+ @param[in] Context1 Context 1 that includes software SMI value 1
+ @param[in] Context2 Context 2 that includes software SMI value 2
+
+ @retval FALSE Software SMI value match
+ @retval TRUE Software SMI value don't match
+**/
+BOOLEAN
+EFIAPI
+SwCmpContext (
+ IN PCH_SMM_CONTEXT *Context1,
+ IN PCH_SMM_CONTEXT *Context2
+ )
+{
+ return (BOOLEAN) (Context1->Sw.SwSmiInputValue == Context2->Sw.SwSmiInputValue);
+}