diff options
author | Matt Fleming <matt.fleming@intel.com> | 2014-03-05 18:15:37 +0000 |
---|---|---|
committer | Matt Fleming <matt.fleming@intel.com> | 2014-03-05 18:15:37 +0000 |
commit | 994448f1afa6689bafbebaf7412b23b541b41ef5 (patch) | |
tree | b7460c6a9bdadc6554ad7f0da52b5c60403164c1 /arch/x86/include | |
parent | 4fd69331ad227a4d8de26592d017b73e00caca9f (diff) | |
parent | 18c46461d9e42d398536055f31f58cdcd2c6347e (diff) |
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')
-rw-r--r-- | arch/x86/include/asm/efi.h | 38 | ||||
-rw-r--r-- | arch/x86/include/asm/pgtable_types.h | 2 |
2 files changed, 37 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. diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index 94e40f1efdfd..708f19fb4fc7 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -382,6 +382,8 @@ static inline void update_page_count(int level, unsigned long pages) { } * as a pte too. */ extern pte_t *lookup_address(unsigned long address, unsigned int *level); +extern pte_t *lookup_address_in_pgd(pgd_t *pgd, unsigned long address, + unsigned int *level); extern phys_addr_t slow_virt_to_phys(void *__address); extern int kernel_map_pages_in_pgd(pgd_t *pgd, u64 pfn, unsigned long address, unsigned numpages, unsigned long page_flags); |