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211 lines
5.6 KiB
C
211 lines
5.6 KiB
C
/***************************************************
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* file: userconfig/uc_isa.c
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*
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* Copyright (c) 1996 Eric L. Hernes (erich@rrnet.com)
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* 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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <nlist.h>
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#include <i386/isa/isa_device.h>
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#include "uc_main.h"
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void
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get_isa_info(struct kernel *kp){
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int total, i, j;
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struct uc_isa *idp;
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struct isa_device *p, *isa_dp;
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struct isa_driver *drv;
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char *name;
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if(kp->nl[ISA_BIOTAB].n_value || kp->nl[ISA_TTYTAB].n_value || kp->nl[ISA_NETTAB].n_value ||
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kp->nl[ISA_NULLTAB].n_value || kp->nl[ISA_WDCTAB].n_value || kp->nl[ISA_FDCTAB].n_value) {
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idp = kp->isa_devp = (struct uc_isa *)malloc(sizeof(struct uc_isa));
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total=0; /* a running total of the number of isa devices */
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for (i=0; i<6; i++) { /* the isa devices */
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if(kp->nl[i].n_value) {
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p = isa_dp = (struct isa_device *)kv_to_u(kp, kp->nl[i].n_value, /* XXX size? */
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sizeof(struct isa_device)*30);
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/* build the device list */
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/* `total' keeps a running total of all the devices found */
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for (j=0; p->id_id; j++, p++, total++) {
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kp->isa_devp = (struct uc_isa *)realloc(kp->isa_devp,
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sizeof(struct uc_isa)*(total+1));
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idp=kp->isa_devp+total;
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drv=(struct isa_driver *)kv_to_u(kp, (u_int)p->id_driver, sizeof(struct isa_driver));
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name=(char *)kv_to_u(kp, (u_int)drv->name, 64);
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if (i==ISA_WDCTAB || i==ISA_FDCTAB) { /* special case the disk devices */
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char n[10];
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strncpy(n, name, 10);
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n[strlen(n)-1]=0; /* chop off the trailing 'c' */
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asprintf(&idp->device, "%s%d", n, j);
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} else {
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asprintf(&idp->device, "%s%d", name, p->id_unit);
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}
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idp->port=p->id_iobase;
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idp->irq=p->id_irq;
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idp->drq=p->id_drq;
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idp->iomem=(u_int)p->id_maddr & 0xFFFFFF; /* kludge to get pa from kva */
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idp->iosize=p->id_msize;
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idp->flags=p->id_flags;
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idp->alive=p->id_alive;
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idp->enabled=p->id_enabled;
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idp->modified=0;
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if(!kp->incore){
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idp->idp=p;
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} else {
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free(name);
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free(drv);
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}
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}
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if(kp->incore){
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free(isa_dp);
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}
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}
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}
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idp=kp->isa_devp+total;
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bzero(idp, sizeof(struct uc_isa));
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} else {
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kp->isa_devp=0;
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}
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}
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struct list *
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get_isa_devlist(struct kernel *kp){
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struct list *dl;
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struct uc_isa *kdp;
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dl=list_new();
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for(kdp=kp->isa_devp; kdp->device; kdp++){
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list_append(dl, kdp->device);
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}
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return(dl);
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}
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struct list *
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get_isa_device(struct uc_isa *ip){
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struct list *list;
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char *tmp;
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list=list_new();
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asprintf(&tmp, "%s", ip->device );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "0x%04x", ip->port );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "%d", ip->irq>0 ? ffs(ip->irq)-1 : ip->irq);
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "%d", ip->drq );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "0x%08x", ip->iomem );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "0x%x", ip->iosize );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "0x%x", ip->flags );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "%d", ip->alive );
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list_append(list, tmp);
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free(tmp);
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asprintf(&tmp, "%d", ip->enabled );
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list_append(list, tmp);
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free(tmp);
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return(list);
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}
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int
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isa_setdev(struct kernel *kp, struct list *list){
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int r=1, irq;
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struct uc_isa *ip;
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if(kp->isa_devp)
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for(ip=kp->isa_devp;ip->device;ip++){
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if(strcmp(list->av[0], ip->device)==0){
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ip->modified=1;
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ip->port = strtol(list->av[1], (char **)NULL, 0);
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irq=strtol(list->av[2], (char **)NULL, 0);
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ip->irq= irq > 0 ? 1 << (irq) : irq;
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ip->drq = strtol(list->av[3], (char **)NULL, 0);
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ip->iomem = strtol(list->av[4], (char **)NULL, 0);
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ip->iosize = strtol(list->av[5], (char **)NULL, 0);
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ip->flags = strtol(list->av[6], (char **)NULL, 0);
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ip->enabled = strtol(list->av[8], (char **)NULL, 0);
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r=0;
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break;
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}
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}
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return(r);
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}
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void
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isa_free(struct kernel *kp, int writeback){
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struct uc_isa *ip;
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for(ip=kp->isa_devp; ip->device; ip++){
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if((!kp->incore) && ip->modified && writeback) {
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/* save any changes */
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ip->idp->id_iobase=ip->port;
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ip->idp->id_irq = ip->irq;
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ip->idp->id_drq = ip->drq;
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ip->idp->id_maddr = (caddr_t)ip->iomem;
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ip->idp->id_msize = ip->iosize;
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ip->idp->id_flags = ip->flags;
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ip->idp->id_enabled = ip->enabled;
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}
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/* and, be free... */
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free(ip->device);
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}
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/* and free the whole ball of wax */
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free(kp->isa_devp);
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kp->isa_devp=0;
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}
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/* end of userconfig/uc_isa.c */
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