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| author | Bernhard Beschow <shentey@gmail.com> | 2023-01-09 18:23:18 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2023-01-13 16:22:57 +0100 |
| commit | 738c2eb47f2fb150a337b6bfb151f4339d0bb8b3 (patch) | |
| tree | 7b0488c338f0445be0c28fbc29f3cef7254e1610 /hw | |
| parent | f021f4e9d269746bc89dadf0cac117154733e4be (diff) | |
| download | qemu-738c2eb47f2fb150a337b6bfb151f4339d0bb8b3.zip qemu-738c2eb47f2fb150a337b6bfb151f4339d0bb8b3.tar.gz qemu-738c2eb47f2fb150a337b6bfb151f4339d0bb8b3.tar.bz2 | |
hw/isa/piix3: Decouple INTx-to-LNKx routing which is board-specific
pci_map_irq_fn's in general seem to be board-specific. So move PIIX3's
pci_slot_get_pirq() to board code to not have PIIX3 make assuptions
about its board.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/pc_piix.c | 15 | ||||
| -rw-r--r-- | hw/isa/piix3.c | 13 |
2 files changed, 15 insertions, 13 deletions
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index b48047f..bb3b105 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -47,6 +47,7 @@ #include "hw/sysbus.h" #include "hw/i2c/smbus_eeprom.h" #include "hw/xen/xen-x86.h" +#include "hw/xen/xen.h" #include "exec/memory.h" #include "hw/acpi/acpi.h" #include "hw/acpi/piix4.h" @@ -73,6 +74,17 @@ static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; #endif +/* + * Return the global irq number corresponding to a given device irq + * pin. We could also use the bus number to have a more precise mapping. + */ +static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) +{ + int slot_addend; + slot_addend = PCI_SLOT(pci_dev->devfn) - 1; + return (pci_intx + slot_addend) & 3; +} + /* PC hardware initialisation */ static void pc_init1(MachineState *machine, const char *host_type, const char *pci_type) @@ -216,6 +228,9 @@ static void pc_init1(MachineState *machine, x86ms->below_4g_mem_size, x86ms->above_4g_mem_size, pci_memory, ram_memory); + pci_bus_map_irqs(pci_bus, + xen_enabled() ? xen_pci_slot_get_pirq + : pc_pci_slot_get_pirq); pcms->bus = pci_bus; pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, type); diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c index 666e794..283b971 100644 --- a/hw/isa/piix3.c +++ b/hw/isa/piix3.c @@ -79,17 +79,6 @@ static void piix3_set_irq(void *opaque, int pirq, int level) piix3_set_irq_level(piix3, pirq, level); } -/* - * Return the global irq number corresponding to a given device irq - * pin. We could also use the bus number to have a more precise mapping. - */ -static int pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) -{ - int slot_addend; - slot_addend = PCI_SLOT(pci_dev->devfn) - 1; - return (pci_intx + slot_addend) & 3; -} - static PCIINTxRoute piix3_route_intx_pin_to_irq(void *opaque, int pin) { PIIX3State *piix3 = opaque; @@ -385,7 +374,6 @@ static void piix3_realize(PCIDevice *dev, Error **errp) } pci_bus_irqs(pci_bus, piix3_set_irq, piix3, PIIX_NUM_PIRQS); - pci_bus_map_irqs(pci_bus, pci_slot_get_pirq); pci_bus_set_route_irq_fn(pci_bus, piix3_route_intx_pin_to_irq); } @@ -421,7 +409,6 @@ static void piix3_xen_realize(PCIDevice *dev, Error **errp) * These additional routes can be discovered through ACPI. */ pci_bus_irqs(pci_bus, xen_piix3_set_irq, piix3, XEN_PIIX_NUM_PIRQS); - pci_bus_map_irqs(pci_bus, xen_pci_slot_get_pirq); } static void piix3_xen_class_init(ObjectClass *klass, void *data) |