diff options
Diffstat (limited to 'arch/arm64/include/asm/efi.h')
| -rw-r--r-- | arch/arm64/include/asm/efi.h | 51 |
1 files changed, 16 insertions, 35 deletions
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 44531a69d32b..d6cf535d8352 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -14,8 +14,16 @@ #ifdef CONFIG_EFI extern void efi_init(void); + +bool efi_runtime_fixup_exception(struct pt_regs *regs, const char *msg); #else #define efi_init() + +static inline +bool efi_runtime_fixup_exception(struct pt_regs *regs, const char *msg) +{ + return false; +} #endif int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md); @@ -27,12 +35,9 @@ int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); __efi_fpsimd_begin(); \ }) +#undef arch_efi_call_virt #define arch_efi_call_virt(p, f, args...) \ -({ \ - efi_##f##_t *__f; \ - __f = p->f; \ - __efi_rt_asm_wrapper(__f, #f, args); \ -}) + __efi_rt_asm_wrapper((p)->f, #f, args) #define arch_efi_call_virt_teardown() \ ({ \ @@ -58,25 +63,12 @@ efi_status_t __efi_rt_asm_wrapper(void *, const char *, ...); /* arch specific definitions used by the stub code */ /* - * AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from - * start of kernel and may not cross a 2MiB boundary. We set alignment to - * 2MiB so we know it won't cross a 2MiB boundary. - */ -#define EFI_FDT_ALIGN SZ_2M /* used by allocate_new_fdt_and_exit_boot() */ - -/* * In some configurations (e.g. VMAP_STACK && 64K pages), stacks built into the * kernel need greater alignment than we require the segments to be padded to. */ #define EFI_KIMG_ALIGN \ (SEGMENT_ALIGN > THREAD_ALIGN ? SEGMENT_ALIGN : THREAD_ALIGN) -/* on arm64, the FDT may be located anywhere in system RAM */ -static inline unsigned long efi_get_max_fdt_addr(unsigned long dram_base) -{ - return ULONG_MAX; -} - /* * On arm64, we have to ensure that the initrd ends up in the linear region, * which is a 1 GB aligned region of size '1UL << (VA_BITS_MIN - 1)' that is @@ -87,33 +79,17 @@ static inline unsigned long efi_get_max_fdt_addr(unsigned long dram_base) * apply to other bootloaders, and are required for some kernel * configurations. */ -static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base, - unsigned long image_addr) +static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr) { return (image_addr & ~(SZ_1G - 1UL)) + (1UL << (VA_BITS_MIN - 1)); } -#define efi_bs_call(func, ...) efi_system_table()->boottime->func(__VA_ARGS__) -#define efi_rt_call(func, ...) efi_system_table()->runtime->func(__VA_ARGS__) -#define efi_is_native() (true) - -#define efi_table_attr(inst, attr) (inst->attr) - -#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__) - #define alloc_screen_info(x...) &screen_info static inline void free_screen_info(struct screen_info *si) { } -/* redeclare as 'hidden' so the compiler will generate relative references */ -extern struct screen_info screen_info __attribute__((__visibility__("hidden"))); - -static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) -{ -} - #define EFI_ALLOC_ALIGN SZ_64K /* @@ -160,4 +136,9 @@ static inline void efi_set_pgd(struct mm_struct *mm) void efi_virtmap_load(void); void efi_virtmap_unload(void); +static inline void efi_capsule_flush_cache_range(void *addr, int size) +{ + dcache_clean_inval_poc((unsigned long)addr, (unsigned long)addr + size); +} + #endif /* _ASM_EFI_H */ |