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-rw-r--r--arch/x86/include/asm/efi.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 389d700b961e..e99675b9c861 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -210,12 +210,18 @@ static inline bool efi_is_64bit(void)
return __efi_early()->is64;
}
+#define efi_table_attr(table, attr, instance) \
+ (efi_is_64bit() ? \
+ ((table##_64_t *)(unsigned long)instance)->attr : \
+ ((table##_32_t *)(unsigned long)instance)->attr)
+
+#define efi_call_proto(protocol, f, instance, ...) \
+ __efi_early()->call(efi_table_attr(protocol, f, instance), \
+ instance, ##__VA_ARGS__)
+
#define efi_call_early(f, ...) \
- __efi_early()->call(efi_is_64bit() ? \
- ((efi_boot_services_64_t *)(unsigned long) \
- __efi_early()->boot_services)->f : \
- ((efi_boot_services_32_t *)(unsigned long) \
- __efi_early()->boot_services)->f, __VA_ARGS__)
+ __efi_early()->call(efi_table_attr(efi_boot_services, f, \
+ __efi_early()->boot_services), __VA_ARGS__)
#define __efi_call_early(f, ...) \
__efi_early()->call((unsigned long)f, __VA_ARGS__);