xref: /openbmc/linux/arch/arm/include/asm/kexec.h (revision b627b4ed)
1 #ifndef _ARM_KEXEC_H
2 #define _ARM_KEXEC_H
3 
4 #ifdef CONFIG_KEXEC
5 
6 /* Maximum physical address we can use pages from */
7 #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
8 /* Maximum address we can reach in physical address mode */
9 #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
10 /* Maximum address we can use for the control code buffer */
11 #define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
12 
13 #define KEXEC_CONTROL_PAGE_SIZE	4096
14 
15 #define KEXEC_ARCH KEXEC_ARCH_ARM
16 
17 #define KEXEC_ARM_ATAGS_OFFSET  0x1000
18 #define KEXEC_ARM_ZIMAGE_OFFSET 0x8000
19 
20 #ifndef __ASSEMBLY__
21 
22 struct kimage;
23 /* Provide a dummy definition to avoid build failures. */
24 static inline void crash_setup_regs(struct pt_regs *newregs,
25                                         struct pt_regs *oldregs) { }
26 
27 #endif /* __ASSEMBLY__ */
28 
29 #endif /* CONFIG_KEXEC */
30 
31 #endif /* _ARM_KEXEC_H */
32