openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Create PIIX3State instead of using PCIDevice for PIIX3 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-08-28 15:28:18 +02:00 committed by Anthony Liguori
parent 5d4e84c8b9
commit fd37d8813c
1 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
hw/piix_pci.c
View File

@ -33,6 +33,10 @@ typedef uint32_t pci_addr_t;
typedef PCIHostState I440FXState;
typedef struct PIIX3State {
PCIDevice dev;
} PIIX3State;
struct PCII440FXState {
PCIDevice dev;
target_phys_addr_t isa_page_descs[384 / 4];
@ -231,7 +235,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, qemu_irq *pic)
/* PIIX3 PCI to ISA bridge */
static PCIDevice *piix3_dev;
static PIIX3State *piix3_dev;
static void piix3_set_irq(void *opaque, int irq_num, int level)
{
@ -242,13 +246,13 @@ static void piix3_set_irq(void *opaque, int irq_num, int level)
/* now we change the pic irq level according to the piix irq mappings */
/* XXX: optimize */
pic_irq = piix3_dev->config[0x60 + irq_num];
pic_irq = piix3_dev->dev.config[0x60 + irq_num];
if (pic_irq < 16) {
/* The pic level is the logical OR of all the PCI irqs mapped
to it */
pic_level = 0;
for (i = 0; i < 4; i++) {
if (pic_irq == piix3_dev->config[0x60 + i])
if (pic_irq == piix3_dev->dev.config[0x60 + i])
pic_level |= pci_irq_levels[i];
}
qemu_set_irq(pic[pic_irq], pic_level);
@ -257,8 +261,8 @@ static void piix3_set_irq(void *opaque, int irq_num, int level)
static void piix3_reset(void *opaque)
{
PCIDevice *d = opaque;
uint8_t *pci_conf = d->config;
PIIX3State *d = opaque;
uint8_t *pci_conf = d->dev.config;
pci_conf[0x04] = 0x07; // master, memory and I/O
pci_conf[0x05] = 0x00;
@ -309,14 +313,15 @@ static int piix_load(QEMUFile* f, void *opaque, int version_id)
return pci_device_load(d, f);
}
static int piix3_initfn(PCIDevice *d)
static int piix3_initfn(PCIDevice *dev)
{
PIIX3State *d = DO_UPCAST(PIIX3State, dev, dev);
uint8_t *pci_conf;
isa_bus_new(&d->qdev);
isa_bus_new(&d->dev.qdev);
register_savevm("PIIX3", 0, 2, piix_save, piix_load, d);
pci_conf = d->config;
pci_conf = d->dev.config;
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_0); // 82371SB PIIX3 PCI-to-ISA bridge (Step A1)
pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_ISA);
@ -348,7 +353,7 @@ static PCIDeviceInfo i440fx_info[] = {
},{
.qdev.name = "PIIX3",
.qdev.desc = "ISA bridge",
.qdev.size = sizeof(PCIDevice),
.qdev.size = sizeof(PIIX3State),
.qdev.no_user = 1,
.init = piix3_initfn,
},{