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path: root/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
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Diffstat (limited to 'OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c')
-rw-r--r--OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
index 7744873217..1387ea85f3 100644
--- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
+++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
@@ -42,7 +42,7 @@ QemuFwCfgSelectItem (
)
{
DEBUG ((EFI_D_INFO, "Select Item: 0x%x\n", (UINT16)(UINTN) QemuFwCfgItem));
- IoWrite16 (0x510, (UINT16)(UINTN) QemuFwCfgItem);
+ IoWrite16 (FW_CFG_IO_SELECTOR, (UINT16)(UINTN) QemuFwCfgItem);
}