projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f84d0275 MS |
1 | #ifndef _ASM_EFI_H |
| 2 | #define _ASM_EFI_H | |
| 3 | ||
| 4 | #include <asm/io.h> | |
| e15dd494 | 5 | #include <asm/neon.h> |
| f84d0275 MS |
6 | |
| 7 | #ifdef CONFIG_EFI | |
| 8 | extern void efi_init(void); | |
| 9 | extern void efi_idmap_init(void); | |
| 10 | #else | |
| 11 | #define efi_init() | |
| 12 | #define efi_idmap_init() | |
| 13 | #endif | |
| 14 | ||
| e15dd494 AB |
15 | #define efi_call_virt(f, ...) \ |
| 16 | ({ \ | |
| 17 | efi_##f##_t *__f = efi.systab->runtime->f; \ | |
| 18 | efi_status_t __s; \ | |
| 19 | \ | |
| 20 | kernel_neon_begin(); \ | |
| 21 | __s = __f(__VA_ARGS__); \ | |
| 22 | kernel_neon_end(); \ | |
| 23 | __s; \ | |
| 24 | }) | |
| 25 | ||
| 26 | #define __efi_call_virt(f, ...) \ | |
| 27 | ({ \ | |
| 28 | efi_##f##_t *__f = efi.systab->runtime->f; \ | |
| 29 | \ | |
| 30 | kernel_neon_begin(); \ | |
| 31 | __f(__VA_ARGS__); \ | |
| 32 | kernel_neon_end(); \ | |
| 33 | }) | |
| 34 | ||
| a13b0077 AB |
35 | /* arch specific definitions used by the stub code */ |
| 36 | ||
| 37 | /* | |
| 38 | * AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from | |
| 39 | * start of kernel and may not cross a 2MiB boundary. We set alignment to | |
| 40 | * 2MiB so we know it won't cross a 2MiB boundary. | |
| 41 | */ | |
| 42 | #define EFI_FDT_ALIGN SZ_2M /* used by allocate_new_fdt_and_exit_boot() */ | |
| 43 | #define MAX_FDT_OFFSET SZ_512M | |
| 44 | ||
| 45 | #define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__) | |
| 46 | ||
| f84d0275 | 47 | #endif /* _ASM_EFI_H */ |