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authorMatt Fleming <matt.fleming@intel.com>2014-03-05 22:15:37 +0400
committerMatt Fleming <matt.fleming@intel.com>2014-03-05 22:15:37 +0400
commit994448f1afa6689bafbebaf7412b23b541b41ef5 (patch)
treeb7460c6a9bdadc6554ad7f0da52b5c60403164c1 /arch/x86/include/asm/efi.h
parent4fd69331ad227a4d8de26592d017b73e00caca9f (diff)
parent18c46461d9e42d398536055f31f58cdcd2c6347e (diff)
downloadlinux-994448f1afa6689bafbebaf7412b23b541b41ef5.tar.xz
Merge remote-tracking branch 'tip/x86/efi-mixed' into efi-for-mingo
Conflicts: arch/x86/kernel/setup.c arch/x86/platform/efi/efi.c arch/x86/platform/efi/efi_64.c
Diffstat (limited to 'arch/x86/include/asm/efi.h')
-rw-r--r--arch/x86/include/asm/efi.h38
1 files changed, 35 insertions, 3 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 86d1fd4bf24c..0869434eaf72 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -19,9 +19,11 @@
*/
#define EFI_OLD_MEMMAP EFI_ARCH_1
+#define EFI32_LOADER_SIGNATURE "EL32"
+#define EFI64_LOADER_SIGNATURE "EL64"
+
#ifdef CONFIG_X86_32
-#define EFI_LOADER_SIGNATURE "EL32"
extern unsigned long asmlinkage efi_call_phys(void *, ...);
@@ -57,8 +59,6 @@ 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);
@@ -154,8 +154,40 @@ static inline bool efi_is_native(void)
return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
}
+static inline bool efi_runtime_supported(void)
+{
+ if (efi_is_native())
+ return true;
+
+ if (IS_ENABLED(CONFIG_EFI_MIXED) && !efi_enabled(EFI_OLD_MEMMAP))
+ return true;
+
+ return false;
+}
+
extern struct console early_efi_console;
extern void parse_efi_setup(u64 phys_addr, u32 data_len);
+
+#ifdef CONFIG_EFI_MIXED
+extern void efi_thunk_runtime_setup(void);
+extern efi_status_t efi_thunk_set_virtual_address_map(
+ void *phys_set_virtual_address_map,
+ unsigned long memory_map_size,
+ unsigned long descriptor_size,
+ u32 descriptor_version,
+ efi_memory_desc_t *virtual_map);
+#else
+static inline void efi_thunk_runtime_setup(void) {}
+static inline efi_status_t efi_thunk_set_virtual_address_map(
+ void *phys_set_virtual_address_map,
+ unsigned long memory_map_size,
+ unsigned long descriptor_size,
+ u32 descriptor_version,
+ efi_memory_desc_t *virtual_map)
+{
+ return EFI_SUCCESS;
+}
+#endif /* CONFIG_EFI_MIXED */
#else
/*
* IF EFI is not configured, have the EFI calls return -ENOSYS.