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-rw-r--r--hw/i386/fw_cfg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/i386/fw_cfg.h b/hw/i386/fw_cfg.h
index e0856a3769..9e74278779 100644
--- a/hw/i386/fw_cfg.h
+++ b/hw/i386/fw_cfg.h
@@ -12,6 +12,8 @@
 #include "hw/boards.h"
 #include "hw/nvram/fw_cfg.h"
 
+#define FW_CFG_IO_BASE     0x510
+
 #define FW_CFG_ACPI_TABLES      (FW_CFG_ARCH_LOCAL + 0)
 #define FW_CFG_SMBIOS_ENTRIES   (FW_CFG_ARCH_LOCAL + 1)
 #define FW_CFG_IRQ0_OVERRIDE    (FW_CFG_ARCH_LOCAL + 2)