Document changes in qemu-img interface
[qemu.git] / pc-bios / bios-pq / 0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch
blobbd7403f88c8dee568de8a534d6c06de31c07e39c
1 bios: mark the acpi sci interrupt as connected to irq 9 (Avi Kivity)
3 Due to a chipset bug, the sci interrupt is hardwired to irq 9. Set the
4 pci interrupt line register accordingly.
6 Signed-off-by: Avi Kivity <avi@qumranet.com>
7 Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
9 Index: bochs/bios/rombios32.c
10 ===================================================================
11 --- bochs.orig/bios/rombios32.c
12 +++ bochs/bios/rombios32.c
13 @@ -981,6 +981,8 @@ static void pci_bios_init_device(PCIDevi
14 /* PIIX4 Power Management device (for ACPI) */
15 pm_io_base = PM_IO_BASE;
16 smb_io_base = SMB_IO_BASE;
17 + // acpi sci is hardwired to 9
18 + pci_config_writeb(d, PCI_INTERRUPT_LINE, 9);
19 pm_sci_int = pci_config_readb(d, PCI_INTERRUPT_LINE);
20 piix4_pm_enable(d);
21 acpi_enabled = 1;
23 --