Yet Another Bogon Fix.

This commit is contained in:
Jordan K. Hubbard 1996-10-05 05:51:12 +00:00
parent 0d7bf83437
commit 0c403adad4
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=18697

View File

@ -24,7 +24,7 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* library functions for userconfig library
*
* $Id: uc_main.c,v 1.4 1996/10/04 14:25:23 jkh Exp $
* $Id: uc_main.c,v 1.5 1996/10/05 02:12:35 jkh Exp $
*/
#include <sys/types.h>
@ -46,256 +46,243 @@ extern void msgDebug(char *fmt, ...);
#ifdef KERN_NO_SYMBOLS
#include "kern-nlist.h"
#else
struct nlist nl[] = {
{"_isa_devtab_bio"},
{"_isa_devtab_tty"},
{"_isa_devtab_net"},
{"_isa_devtab_null"},
{"_isa_biotab_wdc"},
{"_isa_biotab_fdc"},
{"_eisadriver_set"},
{"_eisa_dev_list"},
{"_pcidevice_set"},
{"_device_list"},
{"_scbusses"},
{"_scsi_cinit"},
{"_scsi_dinit"},
{"_scsi_tinit"},
{""},
static struct nlist nl[] = {
{"_isa_devtab_bio"},
{"_isa_devtab_tty"},
{"_isa_devtab_net"},
{"_isa_devtab_null"},
{"_isa_biotab_wdc"},
{"_isa_biotab_fdc"},
{"_eisadriver_set"},
{"_eisa_dev_list"},
{"_pcidevice_set"},
{"_device_list"},
{"_scbusses"},
{"_scsi_cinit"},
{"_scsi_dinit"},
{"_scsi_tinit"},
{""},
};
#endif
struct kernel *
uc_open(char *name){
int kd, flags, incore;
struct kernel *kern;
struct stat sb;
char kname[80];
int i = 0;
if (strcmp(name, "-incore")==0){
incore=1;
} else {
incore=0;
}
if (incore||(strcmp(name,"-bootfile")==0)) {
strncpy(kname, getbootfile(), 79);
} else {
strncpy(kname, name, 79);
}
if (isDebug())
msgDebug("uc_open: kernel name is %s, incore = %d\n", kname, incore);
kern=(struct kernel *)malloc(sizeof(struct kernel));
int kd, flags, incore;
struct kernel *kern;
struct stat sb;
char kname[80];
int i = 0;
if (strcmp(name, "-incore") == 0)
incore = 1;
else
incore=0;
if (incore || (strcmp(name,"-bootfile") == 0))
strncpy(kname, getbootfile(), 79);
else
strncpy(kname, name, 79);
if (isDebug())
msgDebug("uc_open: kernel name is %s, incore = %d\n", kname, incore);
kern=(struct kernel *)malloc(sizeof(struct kernel));
#ifdef KERN_NO_SYMBOLS
if (incore) {
kern->nl=nl;
i = 0;
}
else
#else
i = nlist(kname, nl);
if (incore) {
kern->nl = nl;
i = 0;
}
else
#endif
if (i == -1) {
msgDebug("uc_open: kernel %s does not contain symbols.\n", kname);
kern = (struct kernel *)-5;
return kern;
}
i = nlist(kname, nl);
if (i == -1) {
msgDebug("uc_open: kernel %s does not contain symbols.\n", kname);
kern = (struct kernel *)-5;
return kern;
}
#ifdef KERN_NO_SYMBOLS
if (!incore) {
if (!incore) {
#else
{
{
#endif
kern->nl=(struct nlist *)malloc(sizeof(nl));
bcopy(nl, kern->nl, sizeof(nl));
}
if(incore){
if((kd=open("/dev/kmem", O_RDONLY))<0){
free(kern);
kern=(struct kernel *)-3;
msgDebug("uc_open: Unable to open /dev/kmem.\n");
return(kern);
}
kern->core=(caddr_t)NULL;
kern->incore=1;
kern->size=0;
} else {
if(stat(kname, &sb)<0){
free(kern);
kern=(struct kernel *)-1;
msgDebug("uc_open: Unable to stat %s.\n", kname);
return(kern);
if (incore) {
if ((kd=open("/dev/kmem", O_RDONLY)) < 0) {
free(kern);
kern = (struct kernel *)-3;
msgDebug("uc_open: Unable to open /dev/kmem.\n");
return kern;
}
kern->core = (caddr_t)NULL;
kern->incore = 1;
kern->size = 0;
}
kern->size=sb.st_size;
flags=sb.st_flags;
if (chflags(kname, 0)<0){
free(kern);
kern=(struct kernel *)-2;
msgDebug("uc_open: Unable to chflags %s.\n", kname);
return(kern);
else {
if (stat(kname, &sb) < 0) {
free(kern);
kern = (struct kernel *)-1;
msgDebug("uc_open: Unable to stat %s.\n", kname);
return kern;
}
kern->size = sb.st_size;
flags = sb.st_flags;
if (chflags(kname, 0) < 0) {
free(kern);
kern = (struct kernel *)-2;
msgDebug("uc_open: Unable to chflags %s.\n", kname);
return kern;
}
if (isDebug())
msgDebug("uc_open: attempting to open %s\n", kname);
if((kd = open(kname, O_RDWR, 0644)) < 0) {
free(kern);
kern = (struct kernel *)-3;
msgDebug("uc_open: Unable to open %s.\n", kname);
return kern;
}
fchflags(kd, flags);
if (isDebug())
msgDebug("uc_open: attempting to mmap %d bytes\n", sb.st_size);
kern->core = mmap((caddr_t)0, sb.st_size, PROT_READ | PROT_WRITE,
MAP_SHARED, kd, 0);
kern->incore = 0;
if (kern->core == (caddr_t)0) {
free(kern);
kern = (struct kernel *)-4;
msgDebug("uc_open: Unable to mmap from %s.\n", kname);
return kern;
}
}
kern->fd = kd;
if (isDebug())
msgDebug("uc_open: attempting to open %s\n", kname);
if((kd=open(kname, O_RDWR, 0644))<0){
free(kern);
kern=(struct kernel *)-3;
msgDebug("uc_open: Unable to open %s.\n", kname);
return(kern);
}
fchflags(kd, flags);
msgDebug("uc_open: getting isa information\n");
get_isa_info(kern);
if (isDebug())
msgDebug("uc_open: attempting to mmap %d bytes\n", sb.st_size);
kern->core=mmap((caddr_t)0, sb.st_size, PROT_READ | PROT_WRITE,
MAP_SHARED, kd, 0);
kern->incore=0;
if(kern->core == (caddr_t)0){
free(kern);
kern=(struct kernel *)-4;
msgDebug("uc_open: Unable to mmap from %s.\n", kname);
return(kern);
}
}
kern->fd=kd;
if (isDebug())
msgDebug("uc_open: getting isa information\n");
get_isa_info(kern);
if (isDebug())
msgDebug("uc_open: getting pci information\n");
get_pci_info(kern);
if (isDebug())
msgDebug("uc_open: getting eisa information\n");
get_eisa_info(kern);
if (isDebug())
msgDebug("uc_open: getting scsi information\n");
get_scsi_info(kern);
return(kern);
msgDebug("uc_open: getting pci information\n");
get_pci_info(kern);
if (isDebug())
msgDebug("uc_open: getting eisa information\n");
get_eisa_info(kern);
if (isDebug())
msgDebug("uc_open: getting scsi information\n");
get_scsi_info(kern);
return kern;
}
int
uc_close(struct kernel *kern, int writeback){
if(kern->isa_devp){
isa_free(kern, writeback);
}
if(kern->eisa_devp){
eisa_free(kern, writeback); /* `writeback' isn't really useful here */
}
if(kern->pci_devp){
pci_free(kern, writeback); /* or here */
}
if(kern->scsi_devp){
scsi_free(kern, writeback);
}
if(!kern->incore) {
munmap(kern->core, kern->size);
}
close(kern->fd);
free(kern->nl);
free(kern);
return(0);
uc_close(struct kernel *kern, int writeback)
{
if (kern->isa_devp)
isa_free(kern, writeback);
if (kern->eisa_devp)
eisa_free(kern, writeback); /* `writeback' isn't really useful here */
if (kern->pci_devp)
pci_free(kern, writeback); /* or here */
if (kern->scsi_devp)
scsi_free(kern, writeback);
if (!kern->incore)
munmap(kern->core, kern->size);
close(kern->fd);
free(kern->nl);
free(kern);
return 0;
}
struct list *
uc_getdev(struct kernel *kern, char *dev){
struct list *list=(struct list *)0;
if(*dev=='-'){ /* asked for -isa, -eisa, -pci, -scsi, -all */
if(strcmp(dev, "-all")==0) {
list=list_new();
if(kern->isa_devp) {
list_append(list, "isa");
}
if(kern->eisa_devp) {
list_append(list, "eisa");
}
if(kern->pci_devp) {
list_append(list, "pci");
}
if(kern->scsi_devp) {
list_append(list, "scsi");
}
} else if (strcmp(dev, "-isa")==0) {
list=get_isa_devlist(kern);
} else if (strcmp(dev, "-eisa")==0) {
list=get_eisa_devlist(kern);
} else if (strcmp(dev, "-pci")==0) {
list=get_pci_devlist(kern);
} else if (strcmp(dev, "-scsi")==0) {
list=get_scsi_devlist(kern);
}
} else {
/* we gotta figure out which real device to report */
struct uc_isa *ip;
struct uc_scsi *sp;
struct uc_pci *pp;
struct uc_eisa *ep;
if(kern->isa_devp){
for(ip=kern->isa_devp;ip->device;ip++){
if(strcmp(dev, ip->device)==0) {
list=get_isa_device(ip);
goto end;
uc_getdev(struct kernel *kern, char *dev)
{
struct list *list = (struct list *)0;
if (*dev == '-') { /* asked for -isa, -eisa, -pci, -scsi, -all */
if (strcmp(dev, "-all") == 0) {
list = list_new();
if (kern->isa_devp)
list_append(list, "isa");
if (kern->eisa_devp)
list_append(list, "eisa");
if (kern->pci_devp)
list_append(list, "pci");
if (kern->scsi_devp)
list_append(list, "scsi");
}
}
else if (strcmp(dev, "-isa") == 0)
list = get_isa_devlist(kern);
else if (strcmp(dev, "-eisa") == 0)
list = get_eisa_devlist(kern);
else if (strcmp(dev, "-pci") == 0)
list = get_pci_devlist(kern);
else if (strcmp(dev, "-scsi") == 0)
list = get_scsi_devlist(kern);
}
if (kern->scsi_devp) {
for(sp=kern->scsi_devp;sp->device;sp++){
if(strcmp(dev, sp->device)==0){
list=get_scsi_device(sp);
goto end;
else {
/* we gotta figure out which real device to report */
struct uc_isa *ip;
struct uc_scsi *sp;
struct uc_pci *pp;
struct uc_eisa *ep;
if (kern->isa_devp) {
for (ip = kern->isa_devp; ip->device; ip++) {
if (strcmp(dev, ip->device) == 0) {
list = get_isa_device(ip);
goto end;
}
}
}
}
}
if (kern->pci_devp) {
for(pp=kern->pci_devp;pp->device;pp++){
if(strcmp(dev, pp->device)==0){
list=get_pci_device(pp);
goto end;
if (kern->scsi_devp) {
for (sp = kern->scsi_devp; sp->device; sp++) {
if (strcmp(dev, sp->device) == 0) {
list = get_scsi_device(sp);
goto end;
}
}
}
}
}
if (kern->eisa_devp) {
for(ep=kern->eisa_devp;ep->device;ep++){
if(strcmp(dev, ep->device)==0){
list=get_eisa_device(ep);
goto end;
if (kern->pci_devp) {
for(pp = kern->pci_devp; pp->device; pp++) {
if (strcmp(dev, pp->device) == 0) {
list = get_pci_device(pp);
goto end;
}
}
}
if (kern->eisa_devp) {
for (ep = kern->eisa_devp; ep->device; ep++) {
if (strcmp(dev, ep->device) == 0) {
list = get_eisa_device(ep);
goto end;
}
}
}
}
}
}
end:
return(list);
return(list);
}
/* end of userconfig/uc_main.c */