mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-07 00:50:50 +00:00
fdafd315ad
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
95 lines
3 KiB
C
95 lines
3 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 1991 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* William Jolitz.
|
|
*
|
|
* 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. 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/syslog.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <machine/md_var.h>
|
|
|
|
#define NMI_PARITY (1 << 7)
|
|
#define NMI_IOCHAN (1 << 6)
|
|
#define ENMI_WATCHDOG (1 << 7)
|
|
#define ENMI_BUSTIMER (1 << 6)
|
|
#define ENMI_IOSTATUS (1 << 5)
|
|
|
|
/*
|
|
* Handle a NMI, possibly a machine check.
|
|
* return true to panic system, false to ignore.
|
|
*/
|
|
int
|
|
isa_nmi(int cd)
|
|
{
|
|
int retval = 0;
|
|
int isa_port = inb(0x61);
|
|
int eisa_port = inb(0x461);
|
|
|
|
log(LOG_CRIT, "NMI ISA %x, EISA %x\n", isa_port, eisa_port);
|
|
|
|
if (isa_port & NMI_PARITY) {
|
|
log(LOG_CRIT, "RAM parity error, likely hardware failure.");
|
|
retval = 1;
|
|
}
|
|
|
|
if (isa_port & NMI_IOCHAN) {
|
|
log(LOG_CRIT, "I/O channel check, likely hardware failure.");
|
|
retval = 1;
|
|
}
|
|
|
|
/*
|
|
* On a real EISA machine, this will never happen. However it can
|
|
* happen on ISA machines which implement XT style floating point
|
|
* error handling (very rare). Save them from a meaningless panic.
|
|
*/
|
|
if (eisa_port == 0xff)
|
|
return(retval);
|
|
|
|
if (eisa_port & ENMI_WATCHDOG) {
|
|
log(LOG_CRIT, "EISA watchdog timer expired, likely hardware failure.");
|
|
retval = 1;
|
|
}
|
|
|
|
if (eisa_port & ENMI_BUSTIMER) {
|
|
log(LOG_CRIT, "EISA bus timeout, likely hardware failure.");
|
|
retval = 1;
|
|
}
|
|
|
|
if (eisa_port & ENMI_IOSTATUS) {
|
|
log(LOG_CRIT, "EISA I/O port status error.");
|
|
retval = 1;
|
|
}
|
|
|
|
return(retval);
|
|
}
|