There are two config space fields that are written to set up ACPI, and one of them is not even implemented. :)
This makes it possible for firmware to change the SCI pin, if it is so inclined. Paolo Paolo Bonzini (2): ich9: implement ACPI_EN register ich9: implement SCI_IRQ_SEL register hw/isa/lpc_ich9.c | 42 ++++++++++++++++++++++++++++++------------ include/hw/i386/ich9.h | 1 + 2 files changed, 31 insertions(+), 12 deletions(-) -- 2.5.5
