root / pc-bios / bios-pq / 0010_bios-mark-the-acpi-sci-interrupt-as-connected-to-irq-9.patch @ 6d2550ea
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bios: mark the acpi sci interrupt as connected to irq 9 (Avi Kivity)
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Due to a chipset bug, the sci interrupt is hardwired to irq 9. Set the
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pci interrupt line register accordingly.
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Signed-off-by: Avi Kivity <avi@qumranet.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Index: bochs/bios/rombios32.c
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===================================================================
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--- bochs.orig/bios/rombios32.c
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+++ bochs/bios/rombios32.c
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@@ -981,6 +981,8 @@ static void pci_bios_init_device(PCIDevi |
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/* PIIX4 Power Management device (for ACPI) */
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pm_io_base = PM_IO_BASE; |
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smb_io_base = SMB_IO_BASE; |
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+ // acpi sci is hardwired to 9
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+ pci_config_writeb(d, PCI_INTERRUPT_LINE, 9);
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pm_sci_int = pci_config_readb(d, PCI_INTERRUPT_LINE); |
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piix4_pm_enable(d); |
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acpi_enabled = 1;
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--
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