original files of m241

2026-07-30 11:19:44 +05:30
parent 170c2b3f3a
commit afc7070c1f
12254 changed files with 7655111 additions and 0 deletions
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+/* sun.h - miscellaneous SUN constants */
+
+/* Copyright 1984-1992 Wind River Systems, Inc. */
+
+/*
+modification history
+------------------
+02b,22sep92,rrr  added support for c++
+02a,04jul92,jcf  cleaned up.
+01d,26may92,rrr  the tree shuffle
+01c,04oct91,rrr  passed through the ansification filter
+		  -changed copyright notice
+01b,05oct90,shl  added copyright notice.
+                 made #endif ANSI style.
+01a,28apr89,gae  created.
+*/
+
+#ifndef __INCsunh
+#define __INCsunh
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NBPG		0x2000
+
+#define SYSBASE         0x0F000000
+
+#define MMU_PAGESIZE    0x2000          /* 8192 bytes */
+#define MMU_PAGESHIFT   13              /* log2(MMU_PAGESIZE) */
+#define MMU_PAGEOFFSET  (MMU_PAGESIZE-1)/* Mask of address bits in page */
+#define MMU_PAGEMASK    (~MMU_PAGEOFFSET)
+
+#define PAGESIZE        0x2000          /* All of the above, for logical */
+#define PAGESHIFT       13
+#define PAGEOFFSET      (PAGESIZE - 1)
+#define PAGEMASK        (~PAGEOFFSET)
+
+#define ptob(x)         ((x) << PAGESHIFT)
+#define btop(x)         (((unsigned)(x)) >> PAGESHIFT)
+#define btopr(x)        ((((unsigned)(x) + PAGEOFFSET) >> PAGESHIFT))
+
+/* memory space types */
+
+#define SUN_MEM         0x0                     /* Main Memory/ video memory */
+#define SUN_IO          0x1                     /* SUN I/O space */
+#define SUN_VME16       0x2                     /* VME 16 bit data space */
+#define SUN_VME32       0x3                     /* VME 32 bit data space */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCsunh */