mirror of https://gitee.com/openkylin/linux.git
34 lines
708 B
C
34 lines
708 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#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 */
|