Added MMU

2023-10-19 21:00:12 +02:00
parent 9da9b5045f
commit 5bb973e8da
6 changed files with 181 additions and 1 deletions
@@ -0,0 +1,19 @@
+#ifndef EXCEPTION_H
+#define EXCEPTION_H
+
+#include "rv32cpu.h"
+
+void exception_trigger(rv32_cpu_t* cpu, uint32_t scause);
+
+#define SCAUSE_INSTRUCTION_MISSALIGNED 0x0
+#define SCAUSE_INSTRUCTION_ACCESS_FAULT 0x1
+#define SCAUSE_ILLEGAL_INSTRUCTION 0x2
+#define SCAUSE_BREAKPOINT 0x3
+#define SCAUSE_LOAD_ACCESS_FAULT 0x5
+#define SCAUSE_AMO_ADDRESS_MISALIGNED 0x6
+#define SCAUSE_ENVIRONMENT_CALL 0x8
+#define SCAUSE_INSTRUCTION_PAGE_FAULT 0xC
+#define SCAUSE_LOAD_PAGE_FAULT 0xD
+#define SCAUSE_STORE_AMO_PAGE_FAULT 0xF
+
+#endif