1 files changed, 42 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/drivers/sifive_clic0.h b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/drivers/sifive_clic0.h
new file mode 100644
index 000000000..db9674625
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/drivers/sifive_clic0.h
@@ -0,0 +1,42 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#ifndef METAL__DRIVERS__SIFIVE_CLIC0_H
+#define METAL__DRIVERS__SIFIVE_CLIC0_H
+
+#include <metal/compiler.h>
+#include <metal/drivers/riscv_cpu.h>
+
+#define METAL_CLIC_MAX_NMBITS          2
+#define METAL_CLIC_MAX_NLBITS          8
+#define METAL_CLIC_MAX_NVBITS          1
+
+#define METAL_SIFIVE_CLIC0_CLICCFG_NMBITS_MMODE    0x00
+#define METAL_SIFIVE_CLIC0_CLICCFG_NMBITS_SMODE1   0x20
+#define METAL_SIFIVE_CLIC0_CLICCFG_NMBITS_SMODE2   0x40
+#define METAL_SIFIVE_CLIC0_CLICCFG_NMBITS_MASK     0x60
+#define METAL_SIFIVE_CLIC0_CLICCFG_NLBITS_MASK     0x1E
+#define METAL_SIFIVE_CLIC0_CLICCFG_NVBIT_MASK      0x01
+
+#define METAL_CLIC_ICTRL_SMODE1_MASK   0x7F          /* b8 set imply M-mode */
+#define METAL_CLIC_ICTRL_SMODE2_MASK   0x3F          /* b8 set M-mode, b7 clear U-mode */
+
+#define METAL_MAX_INTERRUPT_LEVEL      ((1 << METAL_CLIC_MAX_NLBITS) - 1)
+
+struct __metal_driver_vtable_sifive_clic0 {
+    struct metal_interrupt_vtable clic_vtable;
+};
+
+__METAL_DECLARE_VTABLE(__metal_driver_vtable_sifive_clic0)
+
+#define __METAL_MACHINE_MACROS
+#include <metal/machine.h>
+struct __metal_driver_sifive_clic0 {
+    struct metal_interrupt controller;
+    int init_done;
+    metal_interrupt_handler_t metal_mtvt_table[__METAL_CLIC_SUBINTERRUPTS];
+    __metal_interrupt_data metal_exint_table[__METAL_CLIC_SUBINTERRUPTS];
+};
+#undef __METAL_MACHINE_MACROS
+
+#endif