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authorIngo Molnar <mingo@elte.hu>2008-08-15 17:07:34 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-15 17:07:34 +0200
commit04197c83b3e05546d1003cfa3ff43f1639c0057f (patch)
treec04ddce9f519b91c0b20c6c09f7529928350eefe /arch/powerpc/include/asm/kdump.h
parentMerge branch 'x86-tracehook' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 (diff)
downloadlinux-04197c83b3e05546d1003cfa3ff43f1639c0057f.tar.xz
linux-04197c83b3e05546d1003cfa3ff43f1639c0057f.zip
Merge branch 'linus' into x86/tracehook
Conflicts: arch/x86/Kconfig Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/include/asm/kdump.h')
-rw-r--r--arch/powerpc/include/asm/kdump.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h
new file mode 100644
index 000000000000..f6c93c716898
--- /dev/null
+++ b/arch/powerpc/include/asm/kdump.h
@@ -0,0 +1,35 @@
+#ifndef _PPC64_KDUMP_H
+#define _PPC64_KDUMP_H
+
+/* Kdump kernel runs at 32 MB, change at your peril. */
+#define KDUMP_KERNELBASE 0x2000000
+
+/* How many bytes to reserve at zero for kdump. The reserve limit should
+ * be greater or equal to the trampoline's end address.
+ * Reserve to the end of the FWNMI area, see head_64.S */
+#define KDUMP_RESERVE_LIMIT 0x10000 /* 64K */
+
+#ifdef CONFIG_CRASH_DUMP
+
+#define KDUMP_TRAMPOLINE_START 0x0100
+#define KDUMP_TRAMPOLINE_END 0x3000
+
+#define KDUMP_MIN_TCE_ENTRIES 2048
+
+#endif /* CONFIG_CRASH_DUMP */
+
+#ifndef __ASSEMBLY__
+#ifdef CONFIG_CRASH_DUMP
+
+extern void reserve_kdump_trampoline(void);
+extern void setup_kdump_trampoline(void);
+
+#else /* !CONFIG_CRASH_DUMP */
+
+static inline void reserve_kdump_trampoline(void) { ; }
+static inline void setup_kdump_trampoline(void) { ; }
+
+#endif /* CONFIG_CRASH_DUMP */
+#endif /* __ASSEMBLY__ */
+
+#endif /* __PPC64_KDUMP_H */