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Diffstat (limited to 'include/asm-powerpc/kexec.h')
-rw-r--r--include/asm-powerpc/kexec.h160
1 files changed, 0 insertions, 160 deletions
diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h
deleted file mode 100644
index acdcdc66f1b6..000000000000
--- a/include/asm-powerpc/kexec.h
+++ /dev/null
@@ -1,160 +0,0 @@
-#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
-
-#ifndef __ASSEMBLY__
-#include <linux/cpumask.h>
-
-typedef void (*crash_shutdown_t)(void);
-
-#ifdef CONFIG_KEXEC
-
-#ifdef __powerpc64__
-/*
- * This function is responsible for capturing register states if coming
- * via panic or invoking dump using sysrq-trigger.
- */
-static inline void crash_setup_regs(struct pt_regs *newregs,
- struct pt_regs *oldregs)
-{
- if (oldregs)
- memcpy(newregs, oldregs, sizeof(*newregs));
- else {
- /* FIXME Merge this with xmon_save_regs ?? */
- unsigned long tmp1, tmp2;
- __asm__ __volatile__ (
- "std 0,0(%2)\n"
- "std 1,8(%2)\n"
- "std 2,16(%2)\n"
- "std 3,24(%2)\n"
- "std 4,32(%2)\n"
- "std 5,40(%2)\n"
- "std 6,48(%2)\n"
- "std 7,56(%2)\n"
- "std 8,64(%2)\n"
- "std 9,72(%2)\n"
- "std 10,80(%2)\n"
- "std 11,88(%2)\n"
- "std 12,96(%2)\n"
- "std 13,104(%2)\n"
- "std 14,112(%2)\n"
- "std 15,120(%2)\n"
- "std 16,128(%2)\n"
- "std 17,136(%2)\n"
- "std 18,144(%2)\n"
- "std 19,152(%2)\n"
- "std 20,160(%2)\n"
- "std 21,168(%2)\n"
- "std 22,176(%2)\n"
- "std 23,184(%2)\n"
- "std 24,192(%2)\n"
- "std 25,200(%2)\n"
- "std 26,208(%2)\n"
- "std 27,216(%2)\n"
- "std 28,224(%2)\n"
- "std 29,232(%2)\n"
- "std 30,240(%2)\n"
- "std 31,248(%2)\n"
- "mfmsr %0\n"
- "std %0, 264(%2)\n"
- "mfctr %0\n"
- "std %0, 280(%2)\n"
- "mflr %0\n"
- "std %0, 288(%2)\n"
- "bl 1f\n"
- "1: mflr %1\n"
- "std %1, 256(%2)\n"
- "mtlr %0\n"
- "mfxer %0\n"
- "std %0, 296(%2)\n"
- : "=&r" (tmp1), "=&r" (tmp2)
- : "b" (newregs)
- : "memory");
- }
-}
-#else
-/*
- * 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 /* !__powerpc64 __ */
-
-extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
- master to copy new code to 0 */
-extern int crashing_cpu;
-extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
-extern cpumask_t cpus_in_sr;
-static inline int kexec_sr_activated(int cpu)
-{
- return cpu_isset(cpu,cpus_in_sr);
-}
-
-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);
-extern int crash_shutdown_register(crash_shutdown_t handler);
-extern int crash_shutdown_unregister(crash_shutdown_t handler);
-
-extern void machine_kexec_simple(struct kimage *image);
-extern void crash_kexec_secondary(struct pt_regs *regs);
-extern int overlaps_crashkernel(unsigned long start, unsigned long size);
-extern void reserve_crashkernel(void);
-
-#else /* !CONFIG_KEXEC */
-static inline int kexec_sr_activated(int cpu) { return 0; }
-static inline void crash_kexec_secondary(struct pt_regs *regs) { }
-
-static inline int overlaps_crashkernel(unsigned long start, unsigned long size)
-{
- return 0;
-}
-
-static inline void reserve_crashkernel(void) { ; }
-
-static inline int crash_shutdown_register(crash_shutdown_t handler)
-{
- return 0;
-}
-
-static inline int crash_shutdown_unregister(crash_shutdown_t handler)
-{
- return 0;
-}
-
-#endif /* CONFIG_KEXEC */
-#endif /* ! __ASSEMBLY__ */
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_KEXEC_H */