| Geoff Levand | d28f6df | 2016-06-23 17:54:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * kexec for arm64 |
| 3 | * |
| 4 | * Copyright (C) Linaro. |
| 5 | * Copyright (C) Huawei Futurewei Technologies. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ARM64_KEXEC_H |
| 13 | #define _ARM64_KEXEC_H |
| 14 | |
| 15 | /* Maximum physical address we can use pages from */ |
| 16 | |
| 17 | #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) |
| 18 | |
| 19 | /* Maximum address we can reach in physical address mode */ |
| 20 | |
| 21 | #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) |
| 22 | |
| 23 | /* Maximum address we can use for the control code buffer */ |
| 24 | |
| 25 | #define KEXEC_CONTROL_MEMORY_LIMIT (-1UL) |
| 26 | |
| 27 | #define KEXEC_CONTROL_PAGE_SIZE 4096 |
| 28 | |
| 29 | #define KEXEC_ARCH KEXEC_ARCH_AARCH64 |
| 30 | |
| 31 | #ifndef __ASSEMBLY__ |
| 32 | |
| 33 | /** |
| 34 | * crash_setup_regs() - save registers for the panic kernel |
| 35 | * |
| 36 | * @newregs: registers are saved here |
| 37 | * @oldregs: registers to be saved (may be %NULL) |
| 38 | */ |
| 39 | |
| 40 | static inline void crash_setup_regs(struct pt_regs *newregs, |
| 41 | struct pt_regs *oldregs) |
| 42 | { |
| 43 | /* Empty routine needed to avoid build errors. */ |
| 44 | } |
| 45 | |
| 46 | #endif /* __ASSEMBLY__ */ |
| 47 | |
| 48 | #endif |