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authorMatt Fleming <matt.fleming@intel.com>2011-11-15 12:56:14 +0000
committerH. Peter Anvin <hpa@linux.intel.com>2011-12-09 17:35:38 -0800
commitf7d7d01be53cb47e0ae212c4e968aa28b82d2138 (patch)
treea5392888758468720073c955b1ebe1e620786c48 /arch/x86/include/asm/efi.h
parent8af21e7e71d1ac56d9b66fb787a14fd66af7f5f7 (diff)
downloadvexpress-lsk-f7d7d01be53cb47e0ae212c4e968aa28b82d2138.tar.gz
x86: Don't use magic strings for EFI loader signature
Introduce a symbol, EFI_LOADER_SIGNATURE instead of using the magic strings, which also helps to reduce the amount of ifdeffery. Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/1318848017-12301-1-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/efi.h')
-rw-r--r--arch/x86/include/asm/efi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index b8d8bfcd44a..26d8c18d5fa 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -3,6 +3,8 @@
#ifdef CONFIG_X86_32
+#define EFI_LOADER_SIGNATURE "EL32"
+
extern unsigned long asmlinkage efi_call_phys(void *, ...);
#define efi_call_phys0(f) efi_call_phys(f)
@@ -35,6 +37,8 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...);
#else /* !CONFIG_X86_32 */
+#define EFI_LOADER_SIGNATURE "EL64"
+
extern u64 efi_call0(void *fp);
extern u64 efi_call1(void *fp, u64 arg1);
extern u64 efi_call2(void *fp, u64 arg1, u64 arg2);