67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
#ifndef _ASM_POWERPC_KEXEC_H
|
|
#define _ASM_POWERPC_KEXEC_H
|
|
#ifdef __KERNEL__
|
|
|
|
/*
|
|
* Maximum page that is mapped directly into kernel memory.
|
|
* XXX: Since we copy virt we can use any page we allocate
|
|
*/
|
|
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
|
|
|
|
/*
|
|
* Maximum address we can reach in physical address mode.
|
|
* XXX: I want to allow initrd in highmem. Otherwise set to rmo on LPAR.
|
|
*/
|
|
#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
|
|
|
|
/* Maximum address we can use for the control code buffer */
|
|
#ifdef __powerpc64__
|
|
#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
|
|
#else
|
|
/* TASK_SIZE, probably left over from use_mm ?? */
|
|
#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
|
|
#endif
|
|
|
|
#define KEXEC_CONTROL_CODE_SIZE 4096
|
|
|
|
/* The native architecture */
|
|
#ifdef __powerpc64__
|
|
#define KEXEC_ARCH KEXEC_ARCH_PPC64
|
|
#else
|
|
#define KEXEC_ARCH KEXEC_ARCH_PPC
|
|
#endif
|
|
|
|
#define HAVE_ARCH_COPY_OLDMEM_PAGE
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#ifdef CONFIG_KEXEC
|
|
|
|
#define MAX_NOTE_BYTES 1024
|
|
|
|
#ifdef __powerpc64__
|
|
extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
|
|
master to copy new code to 0 */
|
|
extern void __init kexec_setup(void);
|
|
extern int crashing_cpu;
|
|
extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
|
|
#endif /* __powerpc64 __ */
|
|
|
|
struct kimage;
|
|
struct pt_regs;
|
|
extern void default_machine_kexec(struct kimage *image);
|
|
extern int default_machine_kexec_prepare(struct kimage *image);
|
|
extern void default_machine_crash_shutdown(struct pt_regs *regs);
|
|
|
|
#endif /* !CONFIG_KEXEC */
|
|
|
|
/*
|
|
* Provide a dummy definition to avoid build failures. Will remain
|
|
* empty till crash dump support is enabled.
|
|
*/
|
|
static inline void crash_setup_regs(struct pt_regs *newregs,
|
|
struct pt_regs *oldregs) { }
|
|
#endif /* ! __ASSEMBLY__ */
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _ASM_POWERPC_KEXEC_H */
|