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authorArnd Bergmann <arnd@arndb.de>2012-01-09 16:14:07 +0000
committerArnd Bergmann <arnd@arndb.de>2012-01-09 16:14:07 +0000
commit142f2101a86ade2d6c9dfbedf82e1b5b31c8fce6 (patch)
tree8cced517382b7087df4e89a9e2a00ccac9676a92 /arch/arm/mm/fault.h
parent155bc27fdfbdf65a07a4f8ef3eafa25e57d8b511 (diff)
parenta07613a54d700a974f3a4a657da78ef5d097315d (diff)
downloadlinux-142f2101a86ade2d6c9dfbedf82e1b5b31c8fce6.tar.bz2
Merge branch 'samsung/cleanup' into samsung/driver
Conflicts: arch/arm/mach-s5p64x0/cpu.c -> common.c More changes to a file that got moved into common.c, see previous conflict resolutions. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mm/fault.h')
-rw-r--r--arch/arm/mm/fault.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index 49e9e3804de4..cf08bdfbe0d6 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -1,3 +1,28 @@
-void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
+#ifndef __ARCH_ARM_FAULT_H
+#define __ARCH_ARM_FAULT_H
+
+/*
+ * Fault status register encodings. We steal bit 31 for our own purposes.
+ */
+#define FSR_LNX_PF (1 << 31)
+#define FSR_WRITE (1 << 11)
+#define FSR_FS4 (1 << 10)
+#define FSR_FS3_0 (15)
+#define FSR_FS5_0 (0x3f)
+
+#ifdef CONFIG_ARM_LPAE
+static inline int fsr_fs(unsigned int fsr)
+{
+ return fsr & FSR_FS5_0;
+}
+#else
+static inline int fsr_fs(unsigned int fsr)
+{
+ return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
+}
+#endif
+void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
unsigned long search_exception_table(unsigned long addr);
+
+#endif /* __ARCH_ARM_FAULT_H */