Avi Kivity wrote: > Zhang, Xiantao wrote: >> From 6039f279745733c52b291ec45c69eca028567c62 Mon Sep 17 00:00:00 >> 2001 From: Xiantao Zhang <xiantao.zhang@xxxxxxxxx> >> Date: Sun, 31 Aug 2008 14:27:23 +0800 >> Subject: [PATCH] KVM: Qemu: Set default pm_io_base to 0x1f40. >> >> The firmware of kvm/ia64 use 0x1f40 as default pm_io_base, >> and doesn't have re-configure mechanism, so use 0x1f40 as default >> value to support kvm/ia64's power management. >> Signed-off-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx> --- >> qemu/hw/acpi.c | 4 +++- >> 1 files changed, 3 insertions(+), 1 deletions(-) >> >> diff --git a/qemu/hw/acpi.c b/qemu/hw/acpi.c >> index 74535bc..4fc1d3f 100644 >> --- a/qemu/hw/acpi.c >> +++ b/qemu/hw/acpi.c >> @@ -498,7 +498,9 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, >> uint32_t smb_io_base, pci_conf[0x0e] = 0x00; // header_type >> pci_conf[0x3d] = 0x01; // interrupt pin 1 >> >> - pci_conf[0x40] = 0x01; /* PM io base read only bit */ >> + pci_conf[0x40] = 0x41; /* PM io base read only bit */ + >> pci_conf[0x41] = 0x1f; + pm_write_config(s, 0x80, 0x01, 1); /*Set >> default pm_io_base 0x1f40*/ >> > > Please limit this to ia64; no need to change x86 behaviour. X86 will do update and set pm_io_base to 0xb000 in bios, so x86 behaviour doesn't change with this defaul set. Xiantao -- To unsubscribe from this list: send the line "unsubscribe kvm-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html