MdePkg/BaseLib: BaseLib for RISCV64 architecture

[mirror_edk2.git] / MdePkg / Library / BaseLib / RiscV64 / GetInterruptState.c

diff --git a/MdePkg/Library/BaseLib/RiscV64/GetInterruptState.c b/MdePkg/Library/BaseLib/RiscV64/GetInterruptState.c
new file mode 100644 (file)
index 0000000..292f1ec
--- /dev/null
+++ b/MdePkg/Library/BaseLib/RiscV64/GetInterruptState.c
@@ -0,0 +1,35 @@
+/** @file\r
+  CPU get interrupt state function for RISC-V\r
+\r
+  Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>\r
+\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
+**/\r
+\r
+#include "BaseLibInternals.h"\r
+\r
+extern UINT32 RiscVGetSupervisorModeInterrupts (VOID);\r
+\r
+/**\r
+  Retrieves the current CPU interrupt state.\r
+\r
+  Returns TRUE is interrupts are currently enabled. Otherwise\r
+  returns FALSE.\r
+\r
+  @retval TRUE  CPU interrupts are enabled.\r
+  @retval FALSE CPU interrupts are disabled.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+GetInterruptState (\r
+  VOID\r
+  )\r
+{\r
+  unsigned long RetValue;\r
+\r
+  RetValue = RiscVGetSupervisorModeInterrupts ();\r
+  return RetValue? TRUE: FALSE;\r
+}\r
+\r
+\r