Rename RISC-V_RV32_SiFive_HiFive1-FreedomStudio directory to RISC-V_RV32_SiFive_HiFive1-RevB-FreedomStudio as it targets Rev B of the hardware.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2790 1d2547de-c912-0410-9cb9-b8ca96c0e9e2

1 files changed, 22 insertions, 0 deletions

diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/shutdown.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/shutdown.c
new file mode 100644
index 000000000..c3b5255a7
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/shutdown.c
@@ -0,0 +1,22 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include <metal/machine.h>
+#include <metal/shutdown.h>
+
+extern __inline__ void __metal_shutdown_exit(const struct __metal_shutdown *sd, int code);
+
+#if defined(__METAL_DT_SHUTDOWN_HANDLE)
+void metal_shutdown(int code)
+{
+    __metal_shutdown_exit(__METAL_DT_SHUTDOWN_HANDLE, code);
+}
+#else
+#pragma message("There is no defined shutdown mechanism, metal_shutdown() will spin.")
+void metal_shutdown(int code)
+{
+    while (1) {
+      __asm__ volatile ("nop");
+    }
+}
+#endif