[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v3 08/16] malta: improve bus implementation of PIIX4
From: |
Hervé Poussineau |
Subject: |
[Qemu-devel] [PATCH v3 08/16] malta: improve bus implementation of PIIX4 bridge |
Date: |
Sun, 2 Oct 2011 18:10:20 +0200 |
Signed-off-by: Hervé Poussineau <address@hidden>
---
hw/mips_malta.c | 4 +---
hw/pc.h | 2 +-
hw/piix4.c | 37 +++++++++++++++++++++++++++++++++++--
3 files changed, 37 insertions(+), 6 deletions(-)
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index 1ec1228..67e666d 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -943,13 +943,11 @@ void mips_malta_init (ram_addr_t ram_size,
/* Southbridge */
ide_drive_get(hd, MAX_IDE_BUS);
- piix4_devfn = piix4_init(pci_bus, 80);
-
/* Interrupt controller */
/* The 8259 is attached to the MIPS CPU INT0 pin, ie interrupt 2 */
i8259 = i8259_init(env->irq[2]);
+ piix4_devfn = piix4_init(pci_bus, 80, i8259);
- isa_bus_irqs(i8259);
pci_piix4_ide_init(pci_bus, hd, piix4_devfn + 1);
usb_uhci_piix4_init(pci_bus, piix4_devfn + 2);
smbus = piix4_pm_init(pci_bus, piix4_devfn + 3, 0x1100, isa_get_irq(9),
diff --git a/hw/pc.h b/hw/pc.h
index 746973f..df7d86a 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -194,7 +194,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int
*piix_devfn,
/* piix4.c */
extern PCIDevice *piix4_dev;
-int piix4_init(PCIBus *bus, int devfn);
+int piix4_init(PCIBus *bus, int devfn, qemu_irq *isa_irqs);
/* vga.c */
enum vga_retrace_method {
diff --git a/hw/piix4.c b/hw/piix4.c
index 9addaae..ce11ef4 100644
--- a/hw/piix4.c
+++ b/hw/piix4.c
@@ -27,11 +27,14 @@
#include "pci.h"
#include "isa.h"
#include "sysbus.h"
+#include "exec-memory.h"
PCIDevice *piix4_dev;
typedef struct PIIX4State {
PCIDevice dev;
+ ISABus bus;
+ qemu_irq *isa_irq;
} PIIX4State;
static void piix4_reset(void *opaque)
@@ -83,21 +86,51 @@ static const VMStateDescription vmstate_piix4 = {
}
};
+static qemu_irq pci_piix4_get_irq(ISABus *bus, int isairq)
+{
+ PIIX4State *s = container_of(bus, PIIX4State, bus);
+ if (isairq < 0 || isairq >= 16) {
+ hw_error("isa irq %d invalid", isairq);
+ }
+ return s->isa_irq[isairq];
+}
+
+static MemoryRegion *pci_piix4_get_io_space(ISABus *bus)
+{
+ PIIX4State *s = container_of(bus, PIIX4State, bus);
+ return pci_address_space_io(&s->dev);
+}
+
+static MemoryRegion *pci_piix4_get_memory_space(ISABus *bus)
+{
+ return get_system_memory();
+}
+
+static ISABusOps pci_piix4_ops = {
+ .get_irq = pci_piix4_get_irq,
+ .get_io_space = pci_piix4_get_io_space,
+ .get_memory_space = pci_piix4_get_memory_space,
+};
+
static int piix4_initfn(PCIDevice *dev)
{
PIIX4State *d = DO_UPCAST(PIIX4State, dev, dev);
- isa_bus_bridge_init(&d->dev.qdev, pci_address_space_io(dev));
+ isa_bus_new(&d->bus, &pci_piix4_ops, &d->dev.qdev);
piix4_dev = &d->dev;
qemu_register_reset(piix4_reset, d);
return 0;
}
-int piix4_init(PCIBus *bus, int devfn)
+int piix4_init(PCIBus *bus, int devfn, qemu_irq *isa_irqs)
{
PCIDevice *d;
+ PIIX4State *s;
d = pci_create_simple_multifunction(bus, devfn, true, "PIIX4");
+ s = DO_UPCAST(PIIX4State, dev, d);
+ s->isa_irq = isa_irqs;
+
return d->devfn;
}
--
1.7.6.3
- [Qemu-devel] [PATCH v3 00/16] ISA bus improvements, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 01/16] isa: rename isa_bus_new to isa_bus_bridge_init, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 03/16] isa: correctly implement isa_address_space(), by calling a bus-specific function, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 02/16] isa: rework ISA bus internals, and add ISA bus ops structure, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 04/16] audio: give ISA bus to sound cards, instead of PIC, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 05/16] pc: improve bus implementation of PIIX3 bridge, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 06/16] fulong2e: improve bus implementation of vt82c bridge, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 07/16] sun4u: improve bus implementation of EBus bridge, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 08/16] malta: improve bus implementation of PIIX4 bridge,
Hervé Poussineau <=
- [Qemu-devel] [PATCH v3 09/16] isa: remove unused parameter to isa_bus_bridge_init(), Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 12/16] isa: give bus to isa_get_irq() and isa_bus_irqs(), Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 13/16] isa: use bus given in parameter to get/set irqs on specified ISA bus, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 15/16] isa: remove useless test in isa_register_ioport(), Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 16/16] isa: remove limitation of only one ISA bus, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 14/16] i8259: add ad-hock variables to please future changes in isa_register_ioport(), Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 10/16] isa: give bus to isa_create() and isa_try_create() methods, Hervé Poussineau, 2011/10/02
- [Qemu-devel] [PATCH v3 11/16] isa: use bus given in parameter to create device on specified ISA bus, Hervé Poussineau, 2011/10/02