diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2012-09-21 14:07:47 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2012-09-21 14:07:47 +0000 |
| commit | 435dd7662458f4444988e5c2144782dff64f14bf (patch) | |
| tree | b522898b99bbcd9a529d0ed85fda68e29ac969f5 /sys/arch/i386/pci | |
| parent | 2f35e8059795c4730b5105914752f8883b1bc691 (diff) | |
Make sure we send MSIs to the primary CPU like we do on amd64.
Based on a diff from Christian Ehrhardt.
Diffstat (limited to 'sys/arch/i386/pci')
| -rw-r--r-- | sys/arch/i386/pci/pci_machdep.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/arch/i386/pci/pci_machdep.c b/sys/arch/i386/pci/pci_machdep.c index b513acf36fa..8d0033a9edd 100644 --- a/sys/arch/i386/pci/pci_machdep.c +++ b/sys/arch/i386/pci/pci_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pci_machdep.c,v 1.70 2012/09/19 23:03:12 kettenis Exp $ */ +/* $OpenBSD: pci_machdep.c,v 1.71 2012/09/21 14:07:46 kettenis Exp $ */ /* $NetBSD: pci_machdep.c,v 1.28 1997/06/06 23:29:17 thorpej Exp $ */ /*- @@ -780,7 +780,7 @@ pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, if (ih.line & APIC_INT_VIA_MSG) { struct intrhand *ih; - pcireg_t reg; + pcireg_t reg, addr; int off, vec; if (pci_get_capability(pc, tag, PCI_CAP_MSI, &off, ®) == 0) @@ -807,12 +807,14 @@ pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, apic_intrhand[vec] = ih; idt_vec_set(vec, apichandler[vec & 0xf]); + addr = 0xfee00000UL | (cpu_info_primary.apicid << 12); + if (reg & PCI_MSI_MC_C64) { - pci_conf_write(pc, tag, off + PCI_MSI_MA, 0xfee00000); + pci_conf_write(pc, tag, off + PCI_MSI_MA, addr); pci_conf_write(pc, tag, off + PCI_MSI_MAU32, 0); pci_conf_write(pc, tag, off + PCI_MSI_MD64, vec); } else { - pci_conf_write(pc, tag, off + PCI_MSI_MA, 0xfee00000); + pci_conf_write(pc, tag, off + PCI_MSI_MA, addr); pci_conf_write(pc, tag, off + PCI_MSI_MD32, vec); } pci_conf_write(pc, tag, off, reg | PCI_MSI_MC_MSIE); |