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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-26 23:38:58 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-26 23:38:58 -0400
commit5696c1944a33b4434a9a1ebb6383b906afd43a10 (patch)
tree16fbe6ba431bcf949ee8645510b0c2fd39b5810f /include/asm-i386/kexec.h
parent66b04a80eea60cabf9d89fd34deb3234a740052f (diff)
parent020f46a39eb7b99a575b9f4d105fce2b142acdf1 (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/asm-i386/kexec.h')
-rw-r--r--include/asm-i386/kexec.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-i386/kexec.h b/include/asm-i386/kexec.h
new file mode 100644
index 00000000000..6ed2a03e37b
--- /dev/null
+++ b/include/asm-i386/kexec.h
@@ -0,0 +1,33 @@
+#ifndef _I386_KEXEC_H
+#define _I386_KEXEC_H
+
+#include <asm/fixmap.h>
+
+/*
+ * 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_386
+
+#define MAX_NOTE_BYTES 1024
+typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
+
+extern note_buf_t crash_notes[];
+
+#endif /* _I386_KEXEC_H */