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-rw-r--r--include/efi.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/efi.h b/include/efi.h
index 1470c08..fcafda0 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -18,6 +18,13 @@
#include <linux/string.h>
#include <linux/types.h>
+#ifdef CONFIG_EFI_STUB_64BIT
+/* EFI uses the Microsoft ABI which is not the default for GCC */
+#define EFIAPI __attribute__((ms_abi))
+#else
+#define EFIAPI
+#endif
+
struct efi_device_path;
#define EFI_SUCCESS 0