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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/ArmPkg/Include/Library/ArmSvcLib.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPkg/Include/Library/ArmSvcLib.h')
-rw-r--r-- | roms/edk2/ArmPkg/Include/Library/ArmSvcLib.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Include/Library/ArmSvcLib.h b/roms/edk2/ArmPkg/Include/Library/ArmSvcLib.h new file mode 100644 index 000000000..a94ead196 --- /dev/null +++ b/roms/edk2/ArmPkg/Include/Library/ArmSvcLib.h @@ -0,0 +1,40 @@ +/** @file
+*
+* Copyright (c) 2016 - 2017, ARM Limited. All rights reserved.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#ifndef __ARM_SVC_LIB__
+#define __ARM_SVC_LIB__
+
+/**
+ * The size of the SVC arguments are different between AArch64 and AArch32.
+ * The native size is used for the arguments.
+ */
+typedef struct {
+ UINTN Arg0;
+ UINTN Arg1;
+ UINTN Arg2;
+ UINTN Arg3;
+ UINTN Arg4;
+ UINTN Arg5;
+ UINTN Arg6;
+ UINTN Arg7;
+} ARM_SVC_ARGS;
+
+/**
+ Trigger an SVC call
+
+ SVC calls can take up to 7 arguments and return up to 4 return values.
+ Therefore, the 4 first fields in the ARM_SVC_ARGS structure are used
+ for both input and output values.
+
+**/
+VOID
+ArmCallSvc (
+ IN OUT ARM_SVC_ARGS *Args
+ );
+
+#endif
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