MdePkg/BaseCpuLib: RISC-V Base CPU library

[mirror_edk2.git] / MdePkg / Library / BaseCpuLib / RiscV / Cpu.S

diff --git a/MdePkg/Library/BaseCpuLib/RiscV/Cpu.S b/MdePkg/Library/BaseCpuLib/RiscV/Cpu.S
new file mode 100644 (file)
index 0000000..375b91d
--- /dev/null
+++ b/MdePkg/Library/BaseCpuLib/RiscV/Cpu.S
@@ -0,0 +1,19 @@
+//------------------------------------------------------------------------------\r
+//\r
+// CpuSleep for RISC-V\r
+//\r
+// Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>\r
+// SPDX-License-Identifier: BSD-2-Clause-Patent\r
+//\r
+//------------------------------------------------------------------------------\r
+.data\r
+.align 3\r
+.section .text\r
+\r
+.global ASM_PFX(_CpuSleep)\r
+\r
+ASM_PFX(_CpuSleep):\r
+    wfi\r
+    ret\r
+\r
+\r