diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2015-05-06 10:58:30 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-06-05 19:45:13 +0200 |
| commit | 11e66a15a084cb0820dba13f4ea3b15b0512fd39 (patch) | |
| tree | 8735fe3061fe96f8e5c6fc36a12162e783051e76 /include/hw/acpi | |
| parent | bafc90bdc594a4d04db846bd8712bdcec59678a8 (diff) | |
ich9: implement SMI_LOCK
Add write mask for the smi enable register, so we can disable write
access to certain bits. Open all bits on reset. Disable write access
to GBL_SMI_EN when SMI_LOCK (in ich9 lpc pci config space) is set.
Write access to SMI_LOCK itself is disabled too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/hw/acpi')
| -rw-r--r-- | include/hw/acpi/ich9.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h index c2d3dba0c7..77cc65cbc2 100644 --- a/include/hw/acpi/ich9.h +++ b/include/hw/acpi/ich9.h @@ -39,6 +39,7 @@ typedef struct ICH9LPCPMRegs { MemoryRegion io_smi; uint32_t smi_en; + uint32_t smi_en_wmask; uint32_t smi_sts; qemu_irq irq; /* SCI */ |