BSD 4_3_Net_2 release

[unix-history] / usr / src / sys / hp300 / hp300 / sys_machdep.c

diff --git a/usr/src/sys/hp300/hp300/sys_machdep.c b/usr/src/sys/hp300/hp300/sys_machdep.c
index b7ee70e..c29d4f3 100644 (file)
--- a/usr/src/sys/hp300/hp300/sys_machdep.c
+++ b/usr/src/sys/hp300/hp300/sys_machdep.c
@@ -2,9 +2,35 @@
  * Copyright (c) 1982, 1986 Regents of the University of California.
  * All rights reserved.
  *
  * Copyright (c) 1982, 1986 Regents of the University of California.
  * All rights reserved.
  *

- * %sccs.include.redist.c%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.

  *
  *

- *     @(#)sys_machdep.c       7.6 (Berkeley) %G%
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)sys_machdep.c       7.7 (Berkeley) 5/7/91

  */
 
 #include "sys/param.h"
  */
 
 #include "sys/param.h"


@@ -73,3 +99,50 @@ vdoualarm(arg)
        nvualarm--;
 }
 #endif
        nvualarm--;
 }
 #endif

+
+#include "../include/cpu.h"
+
+/* XXX should be in an include file somewhere */
+#define CC_PURGE       1
+#define CC_FLUSH       2
+#define CC_IPURGE      4
+#define CC_EXTPURGE    0x80000000
+/* XXX end should be */
+
+/*ARGSUSED1*/
+cachectl(req, addr, len)
+       int req;
+       caddr_t addr;
+       int len;
+{
+       int error = 0;
+
+       switch (req) {
+       case CC_EXTPURGE|CC_PURGE:
+       case CC_EXTPURGE|CC_FLUSH:
+#if defined(HP370)
+               if (ectype == EC_PHYS)
+                       PCIA();
+               /* fall into... */
+#endif
+       case CC_PURGE:
+       case CC_FLUSH:
+               DCIU();
+               break;
+       case CC_EXTPURGE|CC_IPURGE:
+#if defined(HP370)
+               if (ectype == EC_PHYS)
+                       PCIA();
+               else
+#endif
+               DCIU();
+               /* fall into... */
+       case CC_IPURGE:
+               ICIA();
+               break;
+       default:
+               error = EINVAL;
+               break;
+       }
+       return(error);
+}