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 49