1 files changed, 59 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/src/cpu.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/src/cpu.c
new file mode 100644
index 000000000..2c415a846
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/src/cpu.c
@@ -0,0 +1,59 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include <metal/cpu.h>
+#include <metal/machine.h>
+
+struct metal_cpu* metal_cpu_get(int hartid)
+{
+    if (hartid < __METAL_DT_MAX_HARTS) {
+        return (struct metal_cpu *)__metal_cpu_table[hartid];
+    }   
+    return NULL;
+}
+
+int metal_cpu_get_current_hartid()
+{
+#ifdef __riscv
+    int mhartid;
+    asm volatile("csrr %0, mhartid" : "=r" (mhartid));
+    return mhartid;
+#endif
+}
+
+int metal_cpu_get_num_harts()
+{
+    return __METAL_DT_MAX_HARTS;
+}
+
+extern inline unsigned long long metal_cpu_get_timer(struct metal_cpu *cpu);
+
+extern inline unsigned long long metal_cpu_get_timebase(struct metal_cpu *cpu);
+
+extern inline unsigned long long metal_cpu_get_mtime(struct metal_cpu *cpu);
+
+extern inline int metal_cpu_set_mtimecmp(struct metal_cpu *cpu, unsigned long long time);
+
+extern inline struct metal_interrupt* metal_cpu_timer_interrupt_controller(struct metal_cpu *cpu);
+
+extern inline int metal_cpu_timer_get_interrupt_id(struct metal_cpu *cpu);
+
+extern inline struct metal_interrupt* metal_cpu_software_interrupt_controller(struct metal_cpu *cpu);
+
+extern inline int metal_cpu_software_get_interrupt_id(struct metal_cpu *cpu);
+
+extern inline int metal_cpu_software_set_ipi(struct metal_cpu *cpu, int hartid);
+
+extern inline int metal_cpu_software_clear_ipi(struct metal_cpu *cpu, int hartid);
+
+extern inline int metal_cpu_get_msip(struct metal_cpu *cpu, int hartid);
+
+extern inline struct metal_interrupt* metal_cpu_interrupt_controller(struct metal_cpu *cpu);
+
+extern inline int metal_cpu_exception_register(struct metal_cpu *cpu, int ecode, metal_exception_handler_t handler);
+
+extern inline int metal_cpu_get_instruction_length(struct metal_cpu *cpu, uintptr_t epc);
+
+extern inline uintptr_t metal_cpu_get_exception_pc(struct metal_cpu *cpu);
+
+extern inline int metal_cpu_set_exception_pc(struct metal_cpu *cpu, uintptr_t epc);