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PCI irq support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@822 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-05-20 12:43:25 +00:00
parent 73c11f630b
commit 4a9c9687c6
1 changed files with 12 additions and 26 deletions
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38
hw/ne2000.c
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@ -125,6 +125,7 @@ typedef struct NE2000State {
uint8_t curpag; uint8_t curpag;
uint8_t mult[8]; /* multicast mask array */ uint8_t mult[8]; /* multicast mask array */
int irq; int irq;
PCIDevice *pci_dev;
NetDriverState *nd; NetDriverState *nd;
uint8_t mem[NE2000_MEM_SIZE]; uint8_t mem[NE2000_MEM_SIZE];
} NE2000State; } NE2000State;
@ -153,10 +154,13 @@ static void ne2000_update_irq(NE2000State *s)
printf("NE2000: Set IRQ line %d to %d (%02x %02x)\n", printf("NE2000: Set IRQ line %d to %d (%02x %02x)\n",
s->irq, isr ? 1 : 0, s->isr, s->imr); s->irq, isr ? 1 : 0, s->isr, s->imr);
#endif #endif
if (isr) if (s->irq == 16) {
pic_set_irq(s->irq, 1); /* PCI irq */
else pci_set_irq(s->pci_dev, 0, (isr != 0));
pic_set_irq(s->irq, 0); } else {
/* ISA irq */
pic_set_irq(s->irq, (isr != 0));
}
} }
/* return the max buffer size if the NE2000 can receive more data */ /* return the max buffer size if the NE2000 can receive more data */
@ -581,21 +585,6 @@ typedef struct PCINE2000State {
NE2000State ne2000; NE2000State ne2000;
} PCINE2000State; } PCINE2000State;
static uint32_t ne2000_read_config(PCIDevice *d,
uint32_t address, int len)
{
uint32_t val;
val = 0;
memcpy(&val, d->config + address, len);
return val;
}
static void ne2000_write_config(PCIDevice *d,
uint32_t address, uint32_t val, int len)
{
memcpy(d->config + address, &val, len);
}
static void ne2000_map(PCIDevice *pci_dev, int region_num, static void ne2000_map(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type) uint32_t addr, uint32_t size, int type)
{ {
@ -624,8 +613,7 @@ void pci_ne2000_init(NetDriverState *nd)
d = (PCINE2000State *)pci_register_device("NE2000", sizeof(PCINE2000State), d = (PCINE2000State *)pci_register_device("NE2000", sizeof(PCINE2000State),
0, -1, 0, -1,
ne2000_read_config, NULL, NULL);
ne2000_write_config);
pci_conf = d->dev.config; pci_conf = d->dev.config;
pci_conf[0x00] = 0xec; // Realtek 8029 pci_conf[0x00] = 0xec; // Realtek 8029
pci_conf[0x01] = 0x10; pci_conf[0x01] = 0x10;
@ -634,15 +622,13 @@ void pci_ne2000_init(NetDriverState *nd)
pci_conf[0x0a] = 0x00; // ethernet network controller pci_conf[0x0a] = 0x00; // ethernet network controller
pci_conf[0x0b] = 0x02; pci_conf[0x0b] = 0x02;
pci_conf[0x0e] = 0x00; // header_type pci_conf[0x0e] = 0x00; // header_type
pci_conf[0x3d] = 1; // interrupt pin 0
/* XXX: do that in the BIOS */
pci_conf[0x3c] = 11; // interrupt line
pci_conf[0x3d] = 1; // interrupt pin
pci_register_io_region((PCIDevice *)d, 0, 0x100, pci_register_io_region((PCIDevice *)d, 0, 0x100,
PCI_ADDRESS_SPACE_IO, ne2000_map); PCI_ADDRESS_SPACE_IO, ne2000_map);
s = &d->ne2000; s = &d->ne2000;
s->irq = 11; s->irq = 16; // PCI interrupt
s->pci_dev = (PCIDevice *)d;
s->nd = nd; s->nd = nd;
ne2000_reset(s); ne2000_reset(s);
qemu_add_read_packet(nd, ne2000_can_receive, ne2000_receive, s); qemu_add_read_packet(nd, ne2000_can_receive, ne2000_receive, s);