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ahci: ignore spurious interrupts 

Qemu 2.0 makes trouble when using seoul-disc.run - related to #1261
This commit is contained in:
Alexander Boettcher 2014-09-26 09:29:40 +02:00 committed by Christian Helmuth
parent ba34bc32c2
commit 9f8c87f2ed
1 changed files with 11 additions and 7 deletions
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18
repos/os/src/drivers/ahci/include/ahci_device_base.h
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@ -449,15 +449,19 @@ class Ahci_device_base
/* write CI (command issue) slot 0 */
_port->cmd_issue(1);
/* wait for interrupt */
_irq->wait_for_irq();
uint32_t status = 0;
while (!status) {
if (verbose)
PDBG("Int status (IRQ): global: %x port: %x error: %x",
_ctrl->hba_intr_status(), _port->intr_status(), _port->err());
/* wait for interrupt */
_irq->wait_for_irq();
/* acknowledge interrupt */
uint32_t status = _port->interrupt_ack();
if (verbose)
PDBG("Int status (IRQ): global: %x port: %x error: %x",
_ctrl->hba_intr_status(), _port->intr_status(), _port->err());
/* acknowledge interrupt */
status = _port->interrupt_ack();
}
/* check for error */
enum {