diff options
Diffstat (limited to 'release/sysinstall/uc_isa.c')
| -rw-r--r-- | release/sysinstall/uc_isa.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/release/sysinstall/uc_isa.c b/release/sysinstall/uc_isa.c new file mode 100644 index 0000000000000..624fc08daa56e --- /dev/null +++ b/release/sysinstall/uc_isa.c @@ -0,0 +1,211 @@ +/*************************************************** + * 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: uc_isa.c,v 1.4 1997/02/22 14:12:27 peter Exp $ + */ + +#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_CAMTAB].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 */ |