- refactored libsys into common

git-svn-id: http://moon:8086/svn/mips@198 a8ebac50-d88d-4704-bea3-6648445a41b3
2021-11-23 18:09:11 +00:00
parent 2c4a6af07b
commit 015deb2ace
38 changed files with 7638 additions and 0 deletions
@@ -0,0 +1,96 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/* 
+ * File:   cop0.h
+ * Author: jens
+ *
+ * Created on 12. Januar 2017, 16:07
+ */
+
+#ifndef COP0_H
+#define COP0_H
+
+#include <stdint.h>
+
+// ---------------------------------------------------------
+// Chip registers
+// ---------------------------------------------------------
+// COP0 registers
+#define COP0_REG_INVAT_POINTER			31
+
+// COP0 instructions
+#define COP0_INSTR_INVALL_ICACHE		32
+#define COP0_INSTR_INVAT_ICACHE			33
+#define COP0_INSTR_INVALL_DCACHE		34
+#define COP0_INSTR_INVAT_DCACHE			35
+
+#define CP0_read(idx) \
+({									\
+	uint32_t result;					\
+	__asm__	__volatile__			\
+	(								\
+		"mfc0\t%0,$"#idx"\n"		\
+		: "=r" (result)				\
+	);								\
+	result;							\
+})
+
+#define CP0_write(idx, val) \
+({									\
+	__asm__	__volatile__			\
+	(								\
+		"mtc0\t%0,$"#idx"\n"		\
+		"nop\n"						\
+		: /* no output */			\
+		: "r" (val)					\
+	);								\
+})
+
+#define CP0_TLBR					 \
+({									\
+	__asm__	__volatile__			\
+	(								\
+		"tlbr\n"					\
+		: /* no output */			\
+		: /* no input */			\
+	);								\
+})
+
+#define CP0_TLBWI					 \
+({									\
+	__asm__	__volatile__			\
+	(								\
+		"tlbwi\n"					\
+		: /* no output */			\
+		: /* no input */			\
+	);								\
+})
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint32_t CP0_SR_read(void);
+void CP0_SR_write(uint32_t val);
+uint32_t CP0_CR_read(void);
+void CP0_CR_write(uint32_t val);
+uint32_t CP0_PRID_read(void);
+uint32_t CP0_TR_read(void);
+void CP0_TR_write(uint32_t val);
+void CP0_TR_write_ptr(uint32_t* pPtr);
+void CP0_TR_read_ptr(uint32_t* pPtr);
+void ICACHE_invalidate_all(void);
+void ICACHE_invalidate_at(uint32_t* pPtr);
+void DCACHE_invalidate_all(void);
+void DCACHE_invalidate_at(uint32_t* pPtr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* COP0_H */
+