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added PIIX3 like IDE controller - PCI irq generation - SETFEATURES IDE command support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@852 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-05-23 19:10:26 +00:00
parent 9995c51ffd
commit 34e538ae5d
1 changed files with 76 additions and 17 deletions
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87
hw/ide.c
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@ -297,6 +297,7 @@ typedef struct IDEState {
int64_t nb_sectors;
int mult_sectors;
int irq;
PCIDevice *pci_dev;
int drive_serial;
/* ide regs */
uint8_t feature;
@ -463,6 +464,9 @@ static inline void ide_abort_command(IDEState *s)
static inline void ide_set_irq(IDEState *s)
{
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
if (s->irq == 16)
pci_set_irq(s->pci_dev, 0, 1);
else
pic_set_irq(s->irq, 1);
}
}
@ -1169,7 +1173,22 @@ static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
s->status = READY_STAT;
ide_set_irq(s);
break;
case WIN_SETFEATURES:
if (!s->bs)
goto abort_cmd;
/* XXX: valid for CDROM ? */
switch(s->feature) {
case 0x02: /* write cache enable */
case 0x82: /* write cache disable */
case 0xaa: /* read look-ahead enable */
case 0x55: /* read look-ahead disable */
s->status = READY_STAT;
ide_set_irq(s);
break;
default:
goto abort_cmd;
}
break;
/* ATAPI commands */
case WIN_PIDENTIFY:
if (s->is_cdrom) {
@ -1262,6 +1281,9 @@ static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
ret = 0;
else
ret = s->status;
if (s->irq == 16)
pci_set_irq(s->pci_dev, 0, 0);
else
pic_set_irq(s->irq, 0);
break;
}
@ -1481,6 +1503,22 @@ static void ide_init2(IDEState *ide_state, int irq,
}
}
static void ide_init_ioport(IDEState *ide_state, int iobase, int iobase2)
{
register_ioport_write(iobase, 8, 1, ide_ioport_write, ide_state);
register_ioport_read(iobase, 8, 1, ide_ioport_read, ide_state);
if (iobase2) {
register_ioport_read(iobase2, 1, 1, ide_status_read, ide_state);
register_ioport_write(iobase2, 1, 1, ide_cmd_write, ide_state);
}
/* data ports */
register_ioport_write(iobase, 2, 2, ide_data_writew, ide_state);
register_ioport_read(iobase, 2, 2, ide_data_readw, ide_state);
register_ioport_write(iobase, 4, 4, ide_data_writel, ide_state);
register_ioport_read(iobase, 4, 4, ide_data_readl, ide_state);
}
/***********************************************************/
/* ISA IDE definitions */
@ -1494,19 +1532,7 @@ void isa_ide_init(int iobase, int iobase2, int irq,
return;
ide_init2(ide_state, irq, hd0, hd1);
register_ioport_write(iobase, 8, 1, ide_ioport_write, ide_state);
register_ioport_read(iobase, 8, 1, ide_ioport_read, ide_state);
if (iobase2) {
register_ioport_read(iobase2, 1, 1, ide_status_read, ide_state);
register_ioport_write(iobase2, 1, 1, ide_cmd_write, ide_state);
}
/* data ports */
register_ioport_write(iobase, 2, 2, ide_data_writew, ide_state);
register_ioport_read(iobase, 2, 2, ide_data_readw, ide_state);
register_ioport_write(iobase, 4, 4, ide_data_writel, ide_state);
register_ioport_read(iobase, 4, 4, ide_data_readl, ide_state);
ide_init_ioport(ide_state, iobase, iobase2);
}
/***********************************************************/
@ -1546,6 +1572,7 @@ void pci_ide_init(BlockDriverState **hd_table)
{
PCIIDEState *d;
uint8_t *pci_conf;
int i;
d = (PCIIDEState *)pci_register_device("IDE", sizeof(PCIIDEState),
0, -1,
@ -1573,6 +1600,38 @@ void pci_ide_init(BlockDriverState **hd_table)
pci_register_io_region((PCIDevice *)d, 3, 0x4,
PCI_ADDRESS_SPACE_IO, ide_map);
pci_conf[0x3d] = 0x01; // interrupt on pin 1
for(i = 0; i < 4; i++)
d->ide_if[i].pci_dev = (PCIDevice *)d;
ide_init2(&d->ide_if[0], 16, hd_table[0], hd_table[1]);
ide_init2(&d->ide_if[2], 16, hd_table[2], hd_table[3]);
}
/* hd_table must contain 4 block drivers */
/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
void pci_piix3_ide_init(BlockDriverState **hd_table)
{
PCIIDEState *d;
uint8_t *pci_conf;
/* register a function 1 of PIIX3 */
d = (PCIIDEState *)pci_register_device("PIIX3 IDE", sizeof(PCIIDEState),
0, ((PCIDevice *)piix3_state)->devfn + 1,
NULL, NULL);
pci_conf = d->dev.config;
pci_conf[0x00] = 0x86; // Intel
pci_conf[0x01] = 0x80;
pci_conf[0x02] = 0x10;
pci_conf[0x03] = 0x70;
pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE
pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage
pci_conf[0x0e] = 0x00; // header_type
/* XXX: must add BMDMA support to be fully compliant */
ide_init2(&d->ide_if[0], 14, hd_table[0], hd_table[1]);
ide_init2(&d->ide_if[2], 15, hd_table[2], hd_table[3]);
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
}