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hw/pci-host/piix: Define and use the PIIX IRQ Route Control Registers

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The IRQ Route Control registers definitions belong to the PIIX
chipset. We were only defining the 'A' register. Define the other
B, C and D registers, and use them.

Acked-by: Paul Durrant <paul@xen.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2019-10-15 14:05:42 +02:00
parent 0063454aff
commit 4b19de14b1
4 changed files with 15 additions and 9 deletions
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5
hw/i386/xen/xen-hvm.c
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@ -14,6 +14,7 @@
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
#include "hw/i386/pc.h"
#include "hw/southbridge/piix.h"
#include "hw/irq.h"
#include "hw/hw.h"
#include "hw/i386/apic-msidef.h"
@ -156,8 +157,8 @@ void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len)
v = 0;
}
v &= 0xf;
if (((address + i) >= 0x60) && ((address + i) <= 0x63)) {
xen_set_pci_link_route(xen_domid, address + i - 0x60, v);
if (((address + i) >= PIIX_PIRQCA) && ((address + i) <= PIIX_PIRQCD)) {
xen_set_pci_link_route(xen_domid, address + i - PIIX_PIRQCA, v);
}
}
}