diff options
Diffstat (limited to 'include/efi.h')
| -rw-r--r-- | include/efi.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/include/efi.h b/include/efi.h index 2448dde3fe..0fe15e65c0 100644 --- a/include/efi.h +++ b/include/efi.h @@ -19,12 +19,19 @@ #include <linux/string.h> #include <linux/types.h> -#if CONFIG_EFI_STUB_64BIT || (!defined(CONFIG_EFI_STUB) && defined(__x86_64__)) -/* EFI uses the Microsoft ABI which is not the default for GCC */ +/* + * EFI on x86_64 uses the Microsoft ABI which is not the default for GCC. + * + * There are two scenarios for EFI on x86_64: building a 64-bit EFI stub + * codes (CONFIG_EFI_STUB_64BIT) and building a 64-bit U-Boot (CONFIG_X86_64). + * Either needs to be properly built with the '-m64' compiler flag, and hence + * it is enough to only check the compiler provided define __x86_64__ here. + */ +#ifdef __x86_64__ #define EFIAPI __attribute__((ms_abi)) #else #define EFIAPI asmlinkage -#endif +#endif /* __x86_64__ */ struct efi_device_path; @@ -32,16 +39,7 @@ typedef struct { u8 b[16]; } efi_guid_t; -#define EFI_BITS_PER_LONG BITS_PER_LONG - -/* - * With 64-bit EFI stub, EFI_BITS_PER_LONG has to be 64. EFI_STUB is set - * in lib/efi/Makefile, when building the stub. - */ -#if defined(CONFIG_EFI_STUB_64BIT) && defined(EFI_STUB) -#undef EFI_BITS_PER_LONG -#define EFI_BITS_PER_LONG 64 -#endif +#define EFI_BITS_PER_LONG (sizeof(long) * 8) /* Bit mask for EFI status code with error */ #define EFI_ERROR_MASK (1UL << (EFI_BITS_PER_LONG - 1)) |