1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 |
- #ifndef _ASM_POWERPC_KEXEC_H
- #define _ASM_POWERPC_KEXEC_H
- /*
- * 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
- #ifndef __ASSEMBLY__
- #define MAX_NOTE_BYTES 1024
- typedef u32 note_buf_t[MAX_NOTE_BYTES / sizeof(u32)];
- extern note_buf_t crash_notes[];
- #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);
- #else
- struct kimage;
- extern void machine_kexec_simple(struct kimage *image);
- #endif
- #endif /* ! __ASSEMBLY__ */
- #endif /* _ASM_POWERPC_KEXEC_H */
|