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| author | Rebecca Cran <rebecca@nuviainc.com> | 2021-12-13 11:30:55 -0700 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-12-14 11:30:26 +0000 |
| commit | 4d303524451d87d411c972736015138a8a4f03f6 (patch) | |
| tree | a266cd1f4a9ba9361734d9c7be3a604464e0896c /ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c | |
| parent | 7a6e6ae9332614d386446d2a73e34b74fe66446f (diff) | |
| download | edk2-4d303524451d87d411c972736015138a8a4f03f6.tar.gz edk2-4d303524451d87d411c972736015138a8a4f03f6.tar.bz2 edk2-4d303524451d87d411c972736015138a8a4f03f6.zip | |
ArmPkg: Add SMC helper functions
Add functions ArmCallSmc0/1/2/3 to do SMC calls with 0, 1, 2 or 3
arguments.
The functions return up to 3 values.
Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Diffstat (limited to 'ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c')
| -rw-r--r-- | ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c b/ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c index 3c1adef8eb..28514e43c2 100644 --- a/ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c +++ b/ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.c @@ -1,4 +1,5 @@ //
+// Copyright (c) 2021, NUVIA Inc. All rights reserved.
// Copyright (c) 2016, Linaro Limited. All rights reserved.
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -7,6 +8,7 @@ #include <Base.h>
#include <Library/ArmSmcLib.h>
+#include <IndustryStandard/ArmStdSmc.h>
VOID
ArmCallSmc (
@@ -14,3 +16,86 @@ ArmCallSmc ( )
{
}
+
+/** Triggers an SMC call with 3 arguments.
+
+ @param Function The SMC function.
+ @param Arg1 Argument/result.
+ @param Arg2 Argument/result.
+ @param Arg3 Argument/result.
+
+ @return The SMC error code.
+**/
+UINTN
+ArmCallSmc3 (
+ IN UINTN Function,
+ IN OUT UINTN *Arg1 OPTIONAL,
+ IN OUT UINTN *Arg2 OPTIONAL,
+ IN OUT UINTN *Arg3 OPTIONAL
+ )
+{
+ return SMC_ARCH_CALL_NOT_SUPPORTED;
+}
+
+/** Trigger an SMC call with 2 arguments.
+
+ @param Function The SMC function.
+ @param Arg1 Argument/result.
+ @param Arg2 Argument/result.
+ @param Arg3 Result.
+
+ @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc2 (
+ IN UINTN Function,
+ IN OUT UINTN *Arg1 OPTIONAL,
+ IN OUT UINTN *Arg2 OPTIONAL,
+ OUT UINTN *Arg3 OPTIONAL
+ )
+{
+ return SMC_ARCH_CALL_NOT_SUPPORTED;
+}
+
+/** Trigger an SMC call with 1 argument.
+
+ @param Function The SMC function.
+ @param Arg1 Argument/result.
+ @param Arg2 Result.
+ @param Arg3 Result.
+
+ @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc1 (
+ IN UINTN Function,
+ IN OUT UINTN *Arg1 OPTIONAL,
+ OUT UINTN *Arg2 OPTIONAL,
+ OUT UINTN *Arg3 OPTIONAL
+ )
+{
+ return SMC_ARCH_CALL_NOT_SUPPORTED;
+}
+
+/** Trigger an SMC call with 0 arguments.
+
+ @param Function The SMC function.
+ @param Arg1 Result.
+ @param Arg2 Result.
+ @param Arg3 Result.
+
+ @return The SMC error code.
+
+**/
+UINTN
+ArmCallSmc0 (
+ IN UINTN Function,
+ OUT UINTN *Arg1 OPTIONAL,
+ OUT UINTN *Arg2 OPTIONAL,
+ OUT UINTN *Arg3 OPTIONAL
+ )
+{
+ return SMC_ARCH_CALL_NOT_SUPPORTED;
+}
|