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authorMichal Simek2009-03-27 14:25:43 +0100
committerMichal Simek2009-03-27 14:25:43 +0100
commit4115ac8381b528f76f3d08f2a2387408512891c2 (patch)
tree296a32442c58ee4e0606456b6d589695237a9cb1 /arch/microblaze/include/asm/entry.h
parentmicroblaze_v8: namei.h (diff)
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microblaze_v8: headers files entry.h current.h mman.h registers.h sembuf.h
Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm/entry.h')
-rw-r--r--arch/microblaze/include/asm/entry.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h
new file mode 100644
index 000000000000..7f57e42ee467
--- /dev/null
+++ b/arch/microblaze/include/asm/entry.h
@@ -0,0 +1,35 @@
+/*
+ * Definitions used by low-level trap handlers
+ *
+ * Copyright (C) 2008 Michal Simek
+ * Copyright (C) 2007 - 2008 PetaLogix
+ * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_ENTRY_H
+#define _ASM_MICROBLAZE_ENTRY_H
+
+#include <asm/percpu.h>
+#include <asm/ptrace.h>
+
+/*
+ * These are per-cpu variables required in entry.S, among other
+ * places
+ */
+
+#define PER_CPU(var) per_cpu__##var
+
+# ifndef __ASSEMBLY__
+DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
+DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
+DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
+DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
+DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
+DECLARE_PER_CPU(unsigned int, SYSCALL_SAVE); /* Saved syscall number */
+# endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_MICROBLAZE_ENTRY_H */