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Enabled 'FIX_MP_TABLE_WORKS' code.

Browse source 
This code re-numbers PCI busses in the MP table to match PCI semantics
when the MP BIOS fails to do it properly.

Reviewed by:	Peter Wemm <peter@spinner.DIALix.COM>
This commit is contained in:
Steve Passe 1997-04-29 22:12:32 +00:00
parent 176c49e057
commit 04964d153d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=25292
7 changed files with 273 additions and 231 deletions
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72
sys/amd64/amd64/mp_machdep.c
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */

72
sys/amd64/amd64/mptable.c
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */

72
sys/amd64/include/mptable.h
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */

72
sys/i386/i386/mp_machdep.c
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */

72
sys/i386/i386/mptable.c
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */

72
sys/i386/include/mptable.h
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */

72
sys/kern/subr_smp.c
View file

@ -22,12 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.3 1997/04/28 00:24:47 fsmp Exp $
* $Id: mp_machdep.c,v 1.2 1997/04/29 22:05:13 smp Exp smp $
*/
#include "opt_smp.h"
#define FIX_MP_TABLE_WORKS_NOT
#define FIX_MP_TABLE_WORKS
#include "opt_serial.h"
@ -670,10 +670,11 @@ parse_mp_table(void)
static void
fix_mp_table(void)
{
int x;
int y;
int num_pci_bus;
bus_datum bus_record;
int x;
int id;
int bus_0;
int bus_pci;
int num_pci_bus;
/*
* Fix mis-numbering of the PCI bus and its INT entries if the BIOS
@ -687,51 +688,56 @@ fix_mp_table(void)
* busses and associated INTs in an effort to "make it right".
*/
/* count the number of PCI busses */
/* find bus 0, PCI bus, count the number of PCI busses */
for (num_pci_bus = 0, x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
if (bus_data[x].bus_id == 0) {
bus_0 = x;
}
if (bus_data[x].bus_type == PCI) {
++num_pci_bus;
bus_pci = x;
}
}
/*
* bus_0 == slot of bus with ID of 0
* bus_pci == slot of last PCI bus encountered
*/
/* check the 1 PCI bus case for sanity */
if (num_pci_bus == 1) {
/* if its in the first slot all is well */
if (bus_data[0].bus_type == PCI)
/* if it is number 0 all is well */
if (bus_data[bus_pci].bus_id == 0)
return;
/* mis-numbered, swap with whichever bus uses slot 0 */
/* locate the entry holding the PCI bus */
for (x = 1; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type == PCI)
break;
}
/* swap the bus entry records */
bus_record = bus_data[0];
bus_data[0] = bus_data[x];
bus_data[x] = bus_record;
/* swap the bus entry types */
bus_data[bus_pci].bus_type = bus_data[bus_0].bus_type;
bus_data[bus_0].bus_type = PCI;
/* swap each relavant INTerrupt entry */
for (y = 0; y < nintrs; ++y) {
if (io_apic_ints[y].src_bus_id == x)
io_apic_ints[y].src_bus_id = 0;
else
if (io_apic_ints[y].src_bus_id == 0)
io_apic_ints[y].src_bus_id = x;
id = bus_data[bus_pci].bus_id;
for (x = 0; x < nintrs; ++x) {
if (io_apic_ints[x].src_bus_id == id) {
io_apic_ints[x].src_bus_id = 0;
}
else if (io_apic_ints[x].src_bus_id == 0) {
io_apic_ints[x].src_bus_id = id;
}
}
}
/* sanity check if more than 1 PCI bus */
else
if (num_pci_bus > 1) {
for (x = 0; x < num_pci_bus; ++x) {
if (bus_data[x].bus_type != PCI) {
printf("bad PCI bus numbering\n");
panic("\n");
}
else if (num_pci_bus > 1) {
for (x = 0; x < mp_nbusses; ++x) {
if (bus_data[x].bus_type != PCI)
continue;
if (bus_data[x].bus_id >= num_pci_bus ) {
printf("bad PCI bus numbering\n");
panic("\n");
}
}
}
}
#endif /* FIX_MP_TABLE_WORKS */