1 files changed, 82 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/interrupt.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/interrupt.c
new file mode 100644
index 000000000..eeb88b26f
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/interrupt.c
@@ -0,0 +1,82 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include <string.h>
+#include <metal/interrupt.h>
+#include <metal/machine.h>
+
+struct metal_interrupt* metal_interrupt_get_controller (metal_intr_cntrl_type cntrl,
+                                                        int id)
+{
+    switch (cntrl) {
+    case METAL_CPU_CONTROLLER:
+        break;
+    case METAL_CLINT_CONTROLLER:
+#ifdef __METAL_DT_RISCV_CLINT0_HANDLE
+        return __METAL_DT_RISCV_CLINT0_HANDLE;
+#endif
+        break;
+    case METAL_CLIC_CONTROLLER:
+#ifdef __METAL_DT_SIFIVE_CLIC0_HANDLE
+        return __METAL_DT_SIFIVE_CLIC0_HANDLE;
+#endif
+        break;
+    case METAL_PLIC_CONTROLLER:
+#ifdef __METAL_DT_RISCV_PLIC0_HANDLE
+        return __METAL_DT_RISCV_PLIC0_HANDLE;
+#endif
+        break;
+    }
+    return NULL;
+}
+
+extern __inline__ void metal_interrupt_init(struct metal_interrupt *controller);
+
+extern __inline__ int metal_interrupt_set_vector_mode(struct metal_interrupt *controller,
+                                                  metal_vector_mode mode);
+extern __inline__ metal_vector_mode metal_interrupt_get_vector_mode(struct metal_interrupt *controller);
+
+extern __inline__ int metal_interrupt_set_privilege(struct metal_interrupt *controller,
+                                                 metal_intr_priv_mode mode);
+extern __inline__ metal_intr_priv_mode metal_interrupt_get_privilege(struct metal_interrupt *controller);
+
+extern __inline__ int metal_interrupt_set_threshold(struct metal_interrupt *controller,
+                                                unsigned int level);
+extern __inline__ unsigned int metal_interrupt_get_threshold(struct metal_interrupt *controller);
+
+extern __inline__ unsigned int metal_interrupt_get_priority(struct metal_interrupt *controller, int id);
+
+extern __inline__ int metal_interrupt_set_priority(struct metal_interrupt *controller, int id, unsigned int priority);
+
+extern __inline__ int metal_interrupt_clear(struct metal_interrupt *controller, int id);
+
+extern __inline__ int metal_interrupt_set(struct metal_interrupt *controller, int id);
+
+extern __inline__ int metal_interrupt_register_handler(struct metal_interrupt *controller,
+						 int id,
+						 metal_interrupt_handler_t handler,
+						 void *priv);
+
+extern __inline__ int metal_interrupt_register_vector_handler(struct metal_interrupt *controller,
+                                                int id,
+                                                metal_interrupt_vector_handler_t handler,
+                                                void *priv_data);
+
+extern __inline__ int metal_interrupt_enable(struct metal_interrupt *controller, int id);
+
+extern __inline__ int metal_interrupt_disable(struct metal_interrupt *controller, int id);
+
+extern __inline__ unsigned int metal_interrupt_get_threshold(struct metal_interrupt *controller);
+
+extern __inline__ int metal_interrupt_set_threshold(struct metal_interrupt *controller, unsigned int threshold);
+
+extern __inline__ unsigned int metal_interrupt_get_priority(struct metal_interrupt *controller, int id);
+
+extern __inline__ int metal_interrupt_set_priority(struct metal_interrupt *controller, int id, unsigned int priority);
+
+extern __inline__ int metal_interrupt_vector_enable(struct metal_interrupt *controller, int id);
+
+extern __inline__ int metal_interrupt_vector_disable(struct metal_interrupt *controller, int id);
+
+extern __inline__ int _metal_interrupt_command_request(struct metal_interrupt *controller,
+                                         	int cmd, void *data);