summaryrefslogtreecommitdiff
path: root/sys/arch/vax/include/cpu.h
diff options
context:
space:
mode:
authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /sys/arch/vax/include/cpu.h
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/vax/include/cpu.h')
-rw-r--r--sys/arch/vax/include/cpu.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/sys/arch/vax/include/cpu.h b/sys/arch/vax/include/cpu.h
new file mode 100644
index 00000000000..b7cdd1855a1
--- /dev/null
+++ b/sys/arch/vax/include/cpu.h
@@ -0,0 +1,88 @@
+/* $NetBSD: cpu.h,v 1.12 1995/06/05 17:17:57 ragge Exp $ */
+
+/*
+ * Copyright (c) 1994 Ludd, University of Lule}, Sweden
+ * All rights reserved.
+ *
+ * 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 at Ludd, University of Lule}
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+ /* All bugs are subject to removal without further notice */
+
+#include "sys/cdefs.h"
+#include "machine/mtpr.h"
+#include "machine/pcb.h"
+
+#define enablertclock()
+#define cpu_wait(p)
+#define cpu_swapout(p)
+
+
+extern volatile int cpunumber;
+extern struct cpu_dep cpu_calls[];
+
+struct cpu_dep {
+ int (*cpu_loinit)(); /* Locore init before everything else */
+ int (*cpu_clock)(); /* CPU dependent clock handling */
+ int (*cpu_mchk)(); /* Machine check handling */
+ int (*cpu_memerr)(); /* Memory subsystem errors */
+ int (*cpu_conf)(); /* Autoconfiguration */
+};
+
+struct clockframe {
+ int pc;
+ int ps;
+};
+
+#define setsoftnet() mtpr(12,PR_SIRR)
+#define setsoftclock() mtpr(8,PR_SIRR)
+
+/*
+ * Preempt the current process if in interrupt from user mode,
+ * or after the current trap/syscall if in system mode.
+ */
+
+#define need_resched(){ \
+ want_resched++; \
+ mtpr(AST_OK,PR_ASTLVL); \
+ }
+
+/*
+ * Notify the current process (p) that it has a signal pending,
+ * process as soon as possible.
+ */
+
+#define signotify(p) mtpr(AST_OK,PR_ASTLVL);
+
+extern int want_resched; /* resched() was called */
+
+/*
+ * Give a profiling tick to the current process when the user profiling
+ * buffer pages are invalid. On the hp300, request an ast to send us
+ * through trap, marking the proc as needing a profiling tick.
+ */
+#define need_proftick(p) {(p)->p_flag |= P_OWEUPC; mtpr(AST_OK,PR_ASTLVL); }
+