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Diffstat (limited to 'src/arch/x86/include/bits/io.h')
-rw-r--r--src/arch/x86/include/bits/io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/arch/x86/include/bits/io.h b/src/arch/x86/include/bits/io.h
index 60c2e3e..95673ad 100644
--- a/src/arch/x86/include/bits/io.h
+++ b/src/arch/x86/include/bits/io.h
@@ -9,6 +9,9 @@
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+/** Page shift */
+#define PAGE_SHIFT 12
+
#include <ipxe/x86_io.h>
#endif /* _BITS_IO_H */