ide: split ide command interpretation off
The ATA command interpretation code can be used for PATA and SATA interfaces alike. So let's split it out into a separate function. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -1791,9 +1791,6 @@ static void ide_clear_hob(IDEBus *bus)
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void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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{
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IDEBus *bus = opaque;
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IDEState *s;
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int n;
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int lba48 = 0;
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#ifdef DEBUG_IDE
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printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
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@ -1854,17 +1851,29 @@ void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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default:
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case 7:
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/* command */
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ide_exec_cmd(bus, val);
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break;
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}
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}
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void ide_exec_cmd(IDEBus *bus, uint32_t val)
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{
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IDEState *s;
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int n;
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int lba48 = 0;
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#if defined(DEBUG_IDE)
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printf("ide: CMD=%02x\n", val);
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#endif
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s = idebus_active_if(bus);
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/* ignore commands to non existant slave */
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if (s != bus->ifs && !s->bs)
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break;
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return;
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/* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
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if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
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break;
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return;
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switch(val) {
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case WIN_IDENTIFY:
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@ -2356,7 +2365,6 @@ void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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break;
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}
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}
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}
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uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
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{
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@ -567,6 +567,8 @@ void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
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DriveInfo *hd1, qemu_irq irq);
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void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);
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void ide_exec_cmd(IDEBus *bus, uint32_t val);
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/* hw/ide/qdev.c */
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void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id);
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IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
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