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      1 /* $NetBSD: apic.c,v 1.10 2019/06/14 09:23:42 msaitoh Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by RedBack Networks Inc.
      9  *
     10  * Author: Bill Sommerfeld
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31  * POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 __KERNEL_RCSID(0, "$NetBSD: apic.c,v 1.10 2019/06/14 09:23:42 msaitoh Exp $");
     36 
     37 #include <sys/types.h>
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 
     41 #include <machine/i82489reg.h>
     42 #include <machine/i82489var.h>
     43 #include <machine/apicvar.h>
     44 
     45 #define APICVTFMT "\177\20"						\
     46 	"f\0\10vector\0"						\
     47 	"f\10\3delmode\0" "=\0fixed\0" "=\1low\0" "=\2SMI\0" "=\4NMI\0"	\
     48 			"=\5INIT\0" "=\6startup\0" "=\7ExtINT\0"	\
     49 	"F\13\1\0" ":\0physical\0" ":\1logical\0"			\
     50 	"b\14pending\0"							\
     51 	"F\15\1\0" ":\0acthi\0" ":\1actlo\0"				\
     52 	"b\16irrpending\0"						\
     53 	"F\17\1\0" ":\0edge\0" ":\1level\0"				\
     54 	"b\20masked\0"
     55 
     56 static const char ioapicfmt[] = APICVTFMT
     57 	"f\22\2dest\0" "=\1self\0" "=\2all\0" "=\3all-others\0";
     58 
     59 static const char lapicfmt[] = APICVTFMT
     60 	"f\21\2timer\0" "=\0oneshot\0" "=\1periodic\0" "=\2TSC-deadine\0";
     61 
     62 static const char redirhifmt[] = "\177\20"
     63 	"f\30\10target\0";
     64 
     65 void
     66 apic_format_redir(const char *where1, const char *where2, int idx, int type,
     67 		uint32_t redirhi, uint32_t redirlo)
     68 {
     69 	char buf[256];
     70 
     71 	snprintb(buf, sizeof(buf),
     72 	    type == APIC_VECTYPE_IOAPIC ? ioapicfmt : lapicfmt, redirlo);
     73 	printf("%s: %s%d %s", where1, where2, idx, buf);
     74 
     75 	if ((type == APIC_VECTYPE_IOAPIC)
     76 	    && ((redirlo & LAPIC_DEST_MASK) == 0)) {
     77 		snprintb(buf, sizeof(buf), redirhifmt, redirhi);
     78 		printf(" %s", buf);
     79 	}
     80 
     81 	printf("\n");
     82 }
     83