diff options
Diffstat (limited to 'sys/libkern/strstr.c')
| -rw-r--r-- | sys/libkern/strstr.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/sys/libkern/strstr.c b/sys/libkern/strstr.c index 12c2a9189aab..171cc4bc99cd 100644 --- a/sys/libkern/strstr.c +++ b/sys/libkern/strstr.c @@ -1,9 +1,9 @@ /*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. * * This code is derived from software contributed to Berkeley by - * Chris Torek. + * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -13,11 +13,7 @@ * 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 + * 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. * @@ -32,32 +28,42 @@ * 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. + * + * from: @(#)isa.c 7.2 (Berkeley) 5/13/91 */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); -#include <sys/param.h> -#include <sys/libkern.h> +#include <sys/types.h> +#include <sys/syslog.h> +#include <sys/systm.h> + +#include <machine/md_var.h> + +#define NMI_PARITY 0x04 +#define NMI_EPARITY 0x02 /* - * Find the first occurrence of find in s. + * Handle a NMI, possibly a machine check. + * return true to panic system, false to ignore. */ -char * -strstr(const char *s, const char *find) +int +isa_nmi(int cd) { - char c, sc; - size_t len; + int retval = 0; + int port = inb(0x33); - if ((c = *find++) != 0) { - len = strlen(find); - do { - do { - if ((sc = *s++) == 0) - return (NULL); - } while (sc != c); - } while (strncmp(s, find, len) != 0); - s--; + log(LOG_CRIT, "NMI PC98 port = %x\n", port); + if (port & NMI_PARITY) { + log(LOG_CRIT, "BASE RAM parity error, likely hardware failure."); + retval = 1; + } else if (port & NMI_EPARITY) { + log(LOG_CRIT, "EXTENDED RAM parity error, likely hardware failure."); + retval = 1; + } else { + log(LOG_CRIT, "\nNMI Resume ??\n"); } - return (__DECONST(char *, s)); + + return(retval); } |