0f459420f8
it's done for pci. This is so that systat and vmstat can get at the interrupt counts for the Inter-Processor Interrupts when running a smp kernel. This doesn't affect the normal kernel, but makes life easier for the smp people who don't have to track two versions of config.
398 lines
10 KiB
C
398 lines
10 KiB
C
/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)mkglue.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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/*
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* Make the bus adaptor interrupt glue files.
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*/
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#include <stdio.h>
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#include "config.h"
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#include "y.tab.h"
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#include <ctype.h>
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/*
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* Create the UNIBUS interrupt vector glue file.
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*/
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ubglue()
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{
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register FILE *fp, *gp;
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register struct device *dp, *mp;
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fp = fopen(path("ubglue.s"), "w");
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if (fp == 0) {
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perror(path("ubglue.s"));
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exit(1);
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}
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gp = fopen(path("ubvec.s"), "w");
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if (gp == 0) {
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perror(path("ubvec.s"));
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exit(1);
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}
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for (dp = dtab; dp != 0; dp = dp->d_next) {
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mp = dp->d_conn;
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if (mp != 0 && mp != (struct device *)-1 &&
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!eq(mp->d_name, "mba")) {
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struct idlst *id, *id2;
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for (id = dp->d_vec; id; id = id->id_next) {
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for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
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if (id2 == id) {
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dump_ubavec(fp, id->id,
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dp->d_unit);
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break;
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}
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if (!strcmp(id->id, id2->id))
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break;
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}
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}
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}
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}
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dump_std(fp, gp);
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for (dp = dtab; dp != 0; dp = dp->d_next) {
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mp = dp->d_conn;
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if (mp != 0 && mp != (struct device *)-1 &&
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!eq(mp->d_name, "mba")) {
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struct idlst *id, *id2;
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for (id = dp->d_vec; id; id = id->id_next) {
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for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
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if (id2 == id) {
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dump_intname(fp, id->id,
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dp->d_unit);
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break;
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}
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if (!strcmp(id->id, id2->id))
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break;
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}
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}
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}
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}
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dump_ctrs(fp);
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(void) fclose(fp);
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(void) fclose(gp);
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}
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static int cntcnt = 0; /* number of interrupt counters allocated */
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/*
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* Print a UNIBUS interrupt vector.
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*/
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dump_ubavec(fp, vector, number)
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register FILE *fp;
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char *vector;
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int number;
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{
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char nbuf[80];
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register char *v = nbuf;
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(void) sprintf(v, "%s%d", vector, number);
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fprintf(fp, "\t.globl\t_X%s\n\t.align\t2\n_X%s:\n\tpushr\t$0x3f\n",
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v, v);
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fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
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if (strncmp(vector, "dzx", 3) == 0)
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fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdzdma\n\n", number);
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else if (strncmp(vector, "dpx", 3) == 0)
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fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdpxdma\n\n", number);
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else if (strncmp(vector, "dpr", 3) == 0)
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fprintf(fp, "\tmovl\t$%d,r0\n\tjmp\tdprdma\n\n", number);
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else {
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if (strncmp(vector, "uur", 3) == 0) {
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fprintf(fp, "#ifdef UUDMA\n");
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fprintf(fp, "\tmovl\t$%d,r0\n\tjsb\tuudma\n", number);
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fprintf(fp, "#endif\n");
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}
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fprintf(fp, "\tpushl\t$%d\n", number);
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fprintf(fp, "\tcalls\t$1,_%s\n\tpopr\t$0x3f\n", vector);
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fprintf(fp, "\tincl\t_cnt+V_INTR\n\trei\n\n");
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}
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}
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/*
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* Create the VERSAbus interrupt vector glue file.
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*/
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vbglue()
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{
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register FILE *fp, *gp;
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register struct device *dp, *mp;
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fp = fopen(path("vbglue.s"), "w");
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if (fp == 0) {
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perror(path("vbglue.s"));
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exit(1);
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}
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gp = fopen(path("vbvec.s"), "w");
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if (gp == 0) {
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perror(path("vbvec.s"));
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exit(1);
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}
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for (dp = dtab; dp != 0; dp = dp->d_next) {
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struct idlst *id, *id2;
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mp = dp->d_conn;
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if (mp == 0 || mp == (struct device *)-1 ||
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eq(mp->d_name, "mba"))
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continue;
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for (id = dp->d_vec; id; id = id->id_next)
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for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
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if (id == id2) {
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dump_vbavec(fp, id->id, dp->d_unit);
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break;
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}
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if (eq(id->id, id2->id))
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break;
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}
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}
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dump_std(fp, gp);
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for (dp = dtab; dp != 0; dp = dp->d_next) {
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mp = dp->d_conn;
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if (mp != 0 && mp != (struct device *)-1 &&
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!eq(mp->d_name, "mba")) {
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struct idlst *id, *id2;
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for (id = dp->d_vec; id; id = id->id_next) {
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for (id2 = dp->d_vec; id2; id2 = id2->id_next) {
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if (id2 == id) {
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dump_intname(fp, id->id,
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dp->d_unit);
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break;
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}
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if (eq(id->id, id2->id))
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break;
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}
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}
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}
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}
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dump_ctrs(fp);
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(void) fclose(fp);
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(void) fclose(gp);
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}
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/*
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* Print a VERSAbus interrupt vector
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*/
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dump_vbavec(fp, vector, number)
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register FILE *fp;
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char *vector;
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int number;
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{
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char nbuf[80];
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register char *v = nbuf;
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(void) sprintf(v, "%s%d", vector, number);
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fprintf(fp, "SCBVEC(%s):\n", v);
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fprintf(fp, "\tCHECK_SFE(4)\n");
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fprintf(fp, "\tSAVE_FPSTAT(4)\n");
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fprintf(fp, "\tPUSHR\n");
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fprintf(fp, "\tincl\t_fltintrcnt+(4*%d)\n", cntcnt++);
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fprintf(fp, "\tpushl\t$%d\n", number);
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fprintf(fp, "\tcallf\t$8,_%s\n", vector);
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fprintf(fp, "\tincl\t_cnt+V_INTR\n");
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fprintf(fp, "\tPOPR\n");
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fprintf(fp, "\tREST_FPSTAT\n");
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fprintf(fp, "\trei\n\n");
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}
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/*
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* HP9000/300 interrupts are auto-vectored.
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* Code is hardwired in locore.s
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*/
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hpglue() {}
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static char *vaxinames[] = {
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"clock", "cnr", "cnx", "tur", "tux",
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"mba0", "mba1", "mba2", "mba3",
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"uba0", "uba1", "uba2", "uba3"
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};
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static char *tahoeinames[] = {
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"clock", "cnr", "cnx", "rmtr", "rmtx", "buserr",
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};
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static struct stdintrs {
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char **si_names; /* list of standard interrupt names */
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int si_n; /* number of such names */
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} stdintrs[] = {
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{ vaxinames, sizeof (vaxinames) / sizeof (vaxinames[0]) },
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{ tahoeinames, (sizeof (tahoeinames) / sizeof (tahoeinames[0])) }
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};
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/*
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* Start the interrupt name table with the names
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* of the standard vectors not directly associated
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* with a bus. Also, dump the defines needed to
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* reference the associated counters into a separate
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* file which is prepended to locore.s.
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*/
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dump_std(fp, gp)
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register FILE *fp, *gp;
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{
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register struct stdintrs *si = &stdintrs[machine-1];
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register char **cpp;
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register int i;
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fprintf(fp, "\n\t.globl\t_intrnames\n");
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fprintf(fp, "\n\t.globl\t_eintrnames\n");
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fprintf(fp, "\t.data\n");
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fprintf(fp, "_intrnames:\n");
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cpp = si->si_names;
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for (i = 0; i < si->si_n; i++) {
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register char *cp, *tp;
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char buf[80];
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cp = *cpp;
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if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
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cp += 3;
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if (*cp == 'r')
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cp++;
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}
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for (tp = buf; *cp; cp++)
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if (islower(*cp))
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*tp++ = toupper(*cp);
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else
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*tp++ = *cp;
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*tp = '\0';
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fprintf(gp, "#define\tI_%s\t%d\n", buf, i*sizeof (long));
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fprintf(fp, "\t.asciz\t\"%s\"\n", *cpp);
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cpp++;
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}
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}
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dump_intname(fp, vector, number)
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register FILE *fp;
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char *vector;
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int number;
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{
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register char *cp = vector;
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fprintf(fp, "\t.asciz\t\"");
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/*
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* Skip any "int" or "intr" in the name.
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*/
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while (*cp)
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if (cp[0] == 'i' && cp[1] == 'n' && cp[2] == 't') {
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cp += 3;
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if (*cp == 'r')
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cp++;
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} else {
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putc(*cp, fp);
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cp++;
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}
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fprintf(fp, "%d\"\n", number);
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}
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/*
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* Reserve space for the interrupt counters.
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*/
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dump_ctrs(fp)
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register FILE *fp;
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{
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struct stdintrs *si = &stdintrs[machine-1];
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fprintf(fp, "_eintrnames:\n");
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fprintf(fp, "\n\t.globl\t_intrcnt\n");
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fprintf(fp, "\n\t.globl\t_eintrcnt\n");
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fprintf(fp, "\t.align 2\n");
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fprintf(fp, "_intrcnt:\n");
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fprintf(fp, "\t.space\t4 * %d\n", si->si_n);
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fprintf(fp, "_fltintrcnt:\n");
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fprintf(fp, "\t.space\t4 * %d\n", cntcnt);
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fprintf(fp, "_eintrcnt:\n\n");
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fprintf(fp, "\t.text\n");
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}
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/*
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* Create the ISA interrupt vector glue file.
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*
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* The interrupt handlers are hardwired into vector.s and are attached
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* at runtime depending on the data in ioconf.c and on the results of
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* probing. Here we only need to generate the names of the interrupt
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* handlers in an ancient form suitable for vmstat (the _eintrcnt label
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* can't be expressed in C). We give the names of all devices to
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* simplify the correspondence between devices and interrupt handlers.
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* The order must match that in mkioconf.c.
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*/
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vector()
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{
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int dev_id;
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FILE *fp;
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fp = fopen(path("vector.h.new"), "w");
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if (fp == NULL) {
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perror(path("vector.h.new"));
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exit(1);
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}
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fprintf(fp, "/*\n");
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fprintf(fp, " * vector.h\n");
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fprintf(fp, " * Macros for interrupt vector routines\n");
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fprintf(fp, " * Generated by config program\n");
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fprintf(fp, " */\n\n");
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fprintf(fp, "#define\tDEVICE_NAMES \"\\\n");
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fprintf(fp, "clk0 irqnn\\0\\\n");
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fprintf(fp, "rtc0 irqnn\\0\\\n");
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fprintf(fp, "pci irqnn\\0\\\n");
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fprintf(fp, "pci irqnn\\0\\\n");
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fprintf(fp, "pci irqnn\\0\\\n");
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fprintf(fp, "pci irqnn\\0\\\n");
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fprintf(fp, "ipi irqnn\\0\\\n");
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fprintf(fp, "ipi irqnn\\0\\\n");
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fprintf(fp, "ipi irqnn\\0\\\n");
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fprintf(fp, "ipi irqnn\\0\\\n");
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dev_id = 10;
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vector_devtab(fp, "bio", &dev_id);
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vector_devtab(fp, "tty", &dev_id);
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vector_devtab(fp, "net", &dev_id);
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vector_devtab(fp, "null", &dev_id);
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fprintf(fp, "\"\n\n");
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fprintf(fp, "#define\tNR_DEVICES\t%d\n", dev_id);
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(void) fclose(fp);
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moveifchanged(path("vector.h.new"), path("vector.h"));
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}
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vector_devtab(fp, table, dev_idp)
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FILE *fp;
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char *table;
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int *dev_idp;
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{
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register struct device *dp, *mp;
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for (dp = dtab; dp != NULL; dp = dp->d_next) {
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if (dp->d_unit == QUES || !eq(dp->d_mask, table))
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continue;
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mp = dp->d_conn;
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if (mp == NULL || mp == TO_NEXUS || !eq(mp->d_name, "isa"))
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continue;
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fprintf(fp, "%s%d irqnn\\0\\\n", dp->d_name, dp->d_unit);
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(*dev_idp)++;
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}
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}
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