diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /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.h | 88 |
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); } + |