原始版本

RT_Thread/libcpu/mips/gs232/cache.h

@@ -0,0 +1,51 @@
+/*
+ * Cache Ops For Loongson GS232
+ *
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2010-07-09     Bernard        first version
+ * 2011-08-08     lgnq             modified for LS1B
+ * 2015-07-08     chinesebear   modified for loongson 1c
+ */
+
+#ifndef __CACHE_H__
+#define __CACHE_H__
+/*
+ * Cache Operations
+ */
+#define Index_Invalidate_I      0x00
+#define Index_Writeback_Inv_D   0x01
+#define Index_Invalidate_SI     0x02
+#define Index_Writeback_Inv_SD  0x03
+#define Index_Load_Tag_I        0x04
+#define Index_Load_Tag_D        0x05
+#define Index_Load_Tag_SI       0x06
+#define Index_Load_Tag_SD       0x07
+#define Index_Store_Tag_I       0x08
+#define Index_Store_Tag_D       0x09
+#define Index_Store_Tag_SI      0x0A
+#define Index_Store_Tag_SD      0x0B
+#define Create_Dirty_Excl_D     0x0d
+#define Create_Dirty_Excl_SD    0x0f
+#define Hit_Invalidate_I        0x10
+#define Hit_Invalidate_D        0x11
+#define Hit_Invalidate_SI       0x12
+#define Hit_Invalidate_SD       0x13
+#define Fill                    0x14
+#define Hit_Writeback_Inv_D     0x15
+/* 0x16 is unused */
+#define Hit_Writeback_Inv_SD    0x17
+#define Hit_Writeback_I         0x18
+#define Hit_Writeback_D         0x19
+/* 0x1a is unused */
+#define Hit_Writeback_SD        0x1b
+/* 0x1c is unused */
+/* 0x1e is unused */
+#define Hit_Set_Virtual_SI      0x1e
+#define Hit_Set_Virtual_SD      0x1f
+
+#endif