原始版本

RT_Thread/libcpu/risc-v/virt64/interrupt.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-05-20     bigmagic      The first version
+ */
+
+#ifndef INTERRUPT_H__
+#define INTERRUPT_H__
+
+#define MAX_HANDLERS 128
+
+#include <rthw.h>
+#include "stack.h"
+
+enum
+{
+    EP_INSTRUCTION_ADDRESS_MISALIGNED = 0,
+    EP_INSTRUCTION_ACCESS_FAULT,
+    EP_ILLEGAL_INSTRUCTION,
+    EP_BREAKPOINT,
+    EP_LOAD_ADDRESS_MISALIGNED,
+    EP_LOAD_ACCESS_FAULT,
+    EP_STORE_ADDRESS_MISALIGNED,
+    EP_STORE_ACCESS_FAULT,
+    EP_ENVIRONMENT_CALL_U_MODE,
+    EP_ENVIRONMENT_CALL_S_MODE,
+    EP_RESERVED10,
+    EP_ENVIRONMENT_CALL_M_MODE,
+    EP_INSTRUCTION_PAGE_FAULT, /* page attr */
+    EP_LOAD_PAGE_FAULT,        /* read data */
+    EP_RESERVED14,
+    EP_STORE_PAGE_FAULT, /* write data */
+};
+
+int rt_hw_plic_irq_enable(int irq_number);
+int rt_hw_plic_irq_disable(int irq_number);
+void rt_hw_interrupt_init(void);
+void rt_hw_interrupt_mask(int vector);
+rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, void *param, const char *name);
+void handle_trap(rt_ubase_t xcause, rt_ubase_t xtval, rt_ubase_t xepc, struct rt_hw_stack_frame *sp);
+
+#endif