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-rw-r--r--sys/dev/pci/pcireg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/pci/pcireg.h b/sys/dev/pci/pcireg.h
index 8894996..f9495bc 100644
--- a/sys/dev/pci/pcireg.h
+++ b/sys/dev/pci/pcireg.h
@@ -127,6 +127,7 @@
#define PCIR_SUBDEV_0 0x2e
#define PCIR_BIOS 0x30
#define PCIM_BIOS_ENABLE 0x01
+#define PCIM_BIOS_ADDR_MASK 0xfffff800
#define PCIR_CAP_PTR 0x34
#define PCIR_INTLINE 0x3c
#define PCIR_INTPIN 0x3d
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