mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-05 18:39:59 +00:00
97a98ae5b8
Asynchronous external abort is coded differently in DFSR with LPAE enabled.
Fixes: 9254970c "ARM: 8447/1: catch pending imprecise abort on unmask".
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
32 lines
669 B
C
32 lines
669 B
C
#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
|
|
#define FSR_FS_AEA 17
|
|
|
|
static inline int fsr_fs(unsigned int fsr)
|
|
{
|
|
return fsr & FSR_FS5_0;
|
|
}
|
|
#else
|
|
#define FSR_FS_AEA 22
|
|
|
|
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);
|
|
void early_abt_enable(void);
|
|
|
|
#endif /* __ARCH_ARM_FAULT_H */
|