freebsd-src/release/sysinstall/uc_isa.c
1997-02-22 14:13:04 +00:00

211 lines
5.6 KiB
C

/***************************************************
* file: userconfig/uc_isa.c
*
* Copyright (c) 1996 Eric L. Hernes (erich@rrnet.com)
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $Id$
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <nlist.h>
#include <i386/isa/isa_device.h>
#include "uc_main.h"
void
get_isa_info(struct kernel *kp){
int total, i, j;
struct uc_isa *idp;
struct isa_device *p, *isa_dp;
struct isa_driver *drv;
char *name;
if(kp->nl[ISA_BIOTAB].n_value || kp->nl[ISA_TTYTAB].n_value || kp->nl[ISA_NETTAB].n_value ||
kp->nl[ISA_NULLTAB].n_value || kp->nl[ISA_WDCTAB].n_value || kp->nl[ISA_FDCTAB].n_value) {
idp = kp->isa_devp = (struct uc_isa *)malloc(sizeof(struct uc_isa));
total=0; /* a running total of the number of isa devices */
for (i=0; i<6; i++) { /* the isa devices */
if(kp->nl[i].n_value) {
p = isa_dp = (struct isa_device *)kv_to_u(kp, kp->nl[i].n_value, /* XXX size? */
sizeof(struct isa_device)*30);
/* build the device list */
/* `total' keeps a running total of all the devices found */
for (j=0; p->id_id; j++, p++, total++) {
kp->isa_devp = (struct uc_isa *)realloc(kp->isa_devp,
sizeof(struct uc_isa)*(total+1));
idp=kp->isa_devp+total;
drv=(struct isa_driver *)kv_to_u(kp, (u_int)p->id_driver, sizeof(struct isa_driver));
name=(char *)kv_to_u(kp, (u_int)drv->name, 64);
if (i==ISA_WDCTAB || i==ISA_FDCTAB) { /* special case the disk devices */
char n[10];
strncpy(n, name, 10);
n[strlen(n)-1]=0; /* chop off the trailing 'c' */
asprintf(&idp->device, "%s%d", n, j);
} else {
asprintf(&idp->device, "%s%d", name, p->id_unit);
}
idp->port=p->id_iobase;
idp->irq=p->id_irq;
idp->drq=p->id_drq;
idp->iomem=(u_int)p->id_maddr & 0xFFFFFF; /* kludge to get pa from kva */
idp->iosize=p->id_msize;
idp->flags=p->id_flags;
idp->alive=p->id_alive;
idp->enabled=p->id_enabled;
idp->modified=0;
if(!kp->incore){
idp->idp=p;
} else {
free(name);
free(drv);
}
}
if(kp->incore){
free(isa_dp);
}
}
}
idp=kp->isa_devp+total;
bzero(idp, sizeof(struct uc_isa));
} else {
kp->isa_devp=0;
}
}
struct list *
get_isa_devlist(struct kernel *kp){
struct list *dl;
struct uc_isa *kdp;
dl=list_new();
for(kdp=kp->isa_devp; kdp->device; kdp++){
list_append(dl, kdp->device);
}
return(dl);
}
struct list *
get_isa_device(struct uc_isa *ip){
struct list *list;
char *tmp;
list=list_new();
asprintf(&tmp, "%s", ip->device );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "0x%04x", ip->port );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "%d", ip->irq>0 ? ffs(ip->irq)-1 : ip->irq);
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "%d", ip->drq );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "0x%08x", ip->iomem );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "0x%x", ip->iosize );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "0x%x", ip->flags );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "%d", ip->alive );
list_append(list, tmp);
free(tmp);
asprintf(&tmp, "%d", ip->enabled );
list_append(list, tmp);
free(tmp);
return(list);
}
int
isa_setdev(struct kernel *kp, struct list *list){
int r=1, irq;
struct uc_isa *ip;
if(kp->isa_devp)
for(ip=kp->isa_devp;ip->device;ip++){
if(strcmp(list->av[0], ip->device)==0){
ip->modified=1;
ip->port = strtol(list->av[1], (char **)NULL, 0);
irq=strtol(list->av[2], (char **)NULL, 0);
ip->irq= irq > 0 ? 1 << (irq) : irq;
ip->drq = strtol(list->av[3], (char **)NULL, 0);
ip->iomem = strtol(list->av[4], (char **)NULL, 0);
ip->iosize = strtol(list->av[5], (char **)NULL, 0);
ip->flags = strtol(list->av[6], (char **)NULL, 0);
ip->enabled = strtol(list->av[8], (char **)NULL, 0);
r=0;
break;
}
}
return(r);
}
void
isa_free(struct kernel *kp, int writeback){
struct uc_isa *ip;
for(ip=kp->isa_devp; ip->device; ip++){
if((!kp->incore) && ip->modified && writeback) {
/* save any changes */
ip->idp->id_iobase=ip->port;
ip->idp->id_irq = ip->irq;
ip->idp->id_drq = ip->drq;
ip->idp->id_maddr = (caddr_t)ip->iomem;
ip->idp->id_msize = ip->iosize;
ip->idp->id_flags = ip->flags;
ip->idp->id_enabled = ip->enabled;
}
/* and, be free... */
free(ip->device);
}
/* and free the whole ball of wax */
free(kp->isa_devp);
kp->isa_devp=0;
}
/* end of userconfig/uc_isa.c */