[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mm / fault.h

#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 */
Commit	Line	Data
136848d4 CM	1	#ifndef __ARCH_ARM_FAULT_H
	2	#define __ARCH_ARM_FAULT_H
	3
	4	/*
	5	* Fault status register encodings. We steal bit 31 for our own purposes.
	6	*/
	7	#define FSR_LNX_PF (1 << 31)
	8	#define FSR_WRITE (1 << 11)
	9	#define FSR_FS4 (1 << 10)
	10	#define FSR_FS3_0 (15)
f7b8156d	11	#define FSR_FS5_0 (0x3f)
136848d4	12
f7b8156d CM	13	#ifdef CONFIG_ARM_LPAE
	14	static inline int fsr_fs(unsigned int fsr)
	15	{
	16	return fsr & FSR_FS5_0;
	17	}
	18	#else
136848d4 CM	19	static inline int fsr_fs(unsigned int fsr)
	20	{
	21	return (fsr & FSR_FS3_0) \| (fsr & FSR_FS4) >> 6;
	22	}
f7b8156d	23	#endif
1da177e4	24
136848d4	25	void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
1da177e4	26	unsigned long search_exception_table(unsigned long addr);
136848d4 CM	27
136848d4 CM	28	#endif /* __ARCH_ARM_FAULT_H */