diff options
| author | Tor Egge <tegge@FreeBSD.org> | 1998-04-01 21:07:37 +0000 |
|---|---|---|
| committer | Tor Egge <tegge@FreeBSD.org> | 1998-04-01 21:07:37 +0000 |
| commit | 5758c2de94dafd19a144039cb0a2b7f62196fae7 (patch) | |
| tree | df5d22c731fbeff7db5b4ca54307272883f66d32 /sys/kern/subr_smp.c | |
| parent | 300e9a7696dceecb6d5684aee4b634da021d9bdc (diff) | |
Notes
Diffstat (limited to 'sys/kern/subr_smp.c')
| -rw-r--r-- | sys/kern/subr_smp.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index aa6adb9120d8..6657ae48dac8 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $ + * $Id: mp_machdep.c,v 1.70 1998/03/07 20:16:49 tegge Exp $ */ #include "opt_smp.h" @@ -1199,7 +1199,6 @@ isa_apic_pin(int isa_irq) } return -1; /* NOT found */ } -#undef SRCBUSIRQ /* @@ -1225,9 +1224,57 @@ pci_apic_pin(int pciBus, int pciDevice, int pciInt) return -1; /* NOT found */ } + +int +next_apic_pin(int pin) +{ + int intr, ointr; + int bus, bustype; + + bus = 0; + bustype = 0; + for (intr = 0; intr < nintrs; intr++) { + if (INTPIN(intr) != pin || INTTYPE(intr) != 0) + continue; + bus = SRCBUSID(intr); + bustype = apic_bus_type(bus); + if (bustype != ISA && + bustype != EISA && + bustype != PCI) + continue; + break; + } + if (intr >= nintrs) { + return -1; + } + for (ointr = intr + 1; ointr < nintrs; ointr++) { + if (INTTYPE(ointr) != 0) + continue; + if (bus != SRCBUSID(ointr)) + continue; + if (bustype == PCI) { + if (SRCBUSDEVICE(intr) != SRCBUSDEVICE(ointr)) + continue; + if (SRCBUSLINE(intr) != SRCBUSLINE(ointr)) + continue; + } + if (bustype == ISA || bustype == EISA) { + if (SRCBUSIRQ(intr) != SRCBUSIRQ(ointr)) + continue; + } + if (INTPIN(intr) == INTPIN(ointr)) + continue; + break; + } + if (ointr >= nintrs) { + return -1; + } + return INTPIN(ointr); +} #undef SRCBUSLINE #undef SRCBUSDEVICE #undef SRCBUSID +#undef SRCBUSIRQ #undef INTPIN #undef INTTYPE |