diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdePkg/Library/SmmLibNull/SmmLibNull.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Library/SmmLibNull/SmmLibNull.c')
| -rw-r--r-- | roms/edk2/MdePkg/Library/SmmLibNull/SmmLibNull.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/SmmLibNull/SmmLibNull.c b/roms/edk2/MdePkg/Library/SmmLibNull/SmmLibNull.c new file mode 100644 index 000000000..28c4f2fda --- /dev/null +++ b/roms/edk2/MdePkg/Library/SmmLibNull/SmmLibNull.c @@ -0,0 +1,97 @@ +/** @file
+ NULL instance of SMM Library.
+
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/SmmLib.h>
+
+/**
+ Triggers an SMI at boot time.
+
+ This function triggers a software SMM interrupt at boot time.
+
+**/
+VOID
+EFIAPI
+TriggerBootServiceSoftwareSmi (
+ VOID
+ )
+{
+ return;
+}
+
+
+/**
+ Triggers an SMI at run time.
+
+ This function triggers a software SMM interrupt at run time.
+
+**/
+VOID
+EFIAPI
+TriggerRuntimeSoftwareSmi (
+ VOID
+ )
+{
+ return;
+}
+
+
+
+/**
+ Test if a boot time software SMI happened.
+
+ This function tests if a software SMM interrupt happened. If a software SMM
+ interrupt happened and it was triggered at boot time, it returns TRUE. Otherwise,
+ it returns FALSE.
+
+ @retval TRUE A software SMI triggered at boot time happened.
+ @retval FALSE No software SMI happened or the software SMI was triggered at run time.
+
+**/
+BOOLEAN
+EFIAPI
+IsBootServiceSoftwareSmi (
+ VOID
+ )
+{
+ return FALSE;
+}
+
+
+/**
+ Test if a run time software SMI happened.
+
+ This function tests if a software SMM interrupt happened. If a software SMM
+ interrupt happened and it was triggered at run time, it returns TRUE. Otherwise,
+ it returns FALSE.
+
+ @retval TRUE A software SMI triggered at run time happened.
+ @retval FALSE No software SMI happened or the software SMI was triggered at boot time.
+
+**/
+BOOLEAN
+EFIAPI
+IsRuntimeSoftwareSmi (
+ VOID
+ )
+{
+ return FALSE;
+}
+
+/**
+ Clear APM SMI Status Bit; Set the EOS bit.
+
+**/
+VOID
+EFIAPI
+ClearSmi (
+ VOID
+ )
+{
+ return;
+}
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