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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-26 23:42:30 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-26 23:42:30 -0400
commitf45727d52d1581e9ff4df9d1a12a60789ad2d1eb (patch)
tree773ae25f98542e6d382c688f7e85e8137d065614 /include/asm-ppc/kexec.h
parent4c925f452cfd16c690209e96821ee094e09a2404 (diff)
parent5696c1944a33b4434a9a1ebb6383b906afd43a10 (diff)
Merge /spare/repo/netdev-2.6/ branch 'ieee80211'
Diffstat (limited to 'include/asm-ppc/kexec.h')
-rw-r--r--include/asm-ppc/kexec.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-ppc/kexec.h b/include/asm-ppc/kexec.h
new file mode 100644
index 00000000000..73191310d8d
--- /dev/null
+++ b/include/asm-ppc/kexec.h
@@ -0,0 +1,38 @@
+#ifndef _PPC_KEXEC_H
+#define _PPC_KEXEC_H
+
+#ifdef CONFIG_KEXEC
+
+/*
+ * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
+ * I.e. Maximum page that is mapped directly into kernel memory,
+ * and kmap is not required.
+ *
+ * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
+ * calculation for the amount of memory directly mappable into the
+ * kernel memory space.
+ */
+
+/* Maximum physical address we can use pages from */
+#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
+/* Maximum address we can reach in physical address mode */
+#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
+/* Maximum address we can use for the control code buffer */
+#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
+
+#define KEXEC_CONTROL_CODE_SIZE 4096
+
+/* The native architecture */
+#define KEXEC_ARCH KEXEC_ARCH_PPC
+
+#ifndef __ASSEMBLY__
+
+struct kimage;
+
+extern void machine_kexec_simple(struct kimage *image);
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* CONFIG_KEXEC */
+
+#endif /* _PPC_KEXEC_H */