77 строки
2.3 KiB
C
77 строки
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
// Copyright (C) 2005-2017 Andes Technology Corporation
|
|
|
|
#ifndef __ASM_NDS32_THREAD_INFO_H
|
|
#define __ASM_NDS32_THREAD_INFO_H
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define THREAD_SIZE_ORDER (1)
|
|
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct task_struct;
|
|
|
|
#include <asm/ptrace.h>
|
|
#include <asm/types.h>
|
|
|
|
typedef unsigned long mm_segment_t;
|
|
|
|
/*
|
|
* low level task data that entry.S needs immediate access to.
|
|
* __switch_to() assumes cpu_context follows immediately after cpu_domain.
|
|
*/
|
|
struct thread_info {
|
|
unsigned long flags; /* low level flags */
|
|
__s32 preempt_count; /* 0 => preemptable, <0 => bug */
|
|
mm_segment_t addr_limit; /* address limit */
|
|
};
|
|
#define INIT_THREAD_INFO(tsk) \
|
|
{ \
|
|
.preempt_count = INIT_PREEMPT_COUNT, \
|
|
.addr_limit = KERNEL_DS, \
|
|
}
|
|
#define thread_saved_pc(tsk) ((unsigned long)(tsk->thread.cpu_context.pc))
|
|
#define thread_saved_fp(tsk) ((unsigned long)(tsk->thread.cpu_context.fp))
|
|
#endif
|
|
|
|
/*
|
|
* thread information flags:
|
|
* TIF_SYSCALL_TRACE - syscall trace active
|
|
* TIF_SIGPENDING - signal pending
|
|
* TIF_NEED_RESCHED - rescheduling necessary
|
|
* TIF_NOTIFY_RESUME - callback before returning to user
|
|
* TIF_POLLING_NRFLAG - true if poll_idle() is polling TIF_NEED_RESCHED
|
|
*/
|
|
#define TIF_SIGPENDING 1
|
|
#define TIF_NEED_RESCHED 2
|
|
#define TIF_SINGLESTEP 3
|
|
#define TIF_NOTIFY_RESUME 4 /* callback before returning to user */
|
|
#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */
|
|
#define TIF_SYSCALL_TRACE 8
|
|
#define TIF_POLLING_NRFLAG 17
|
|
#define TIF_MEMDIE 18
|
|
#define TIF_FREEZE 19
|
|
#define TIF_RESTORE_SIGMASK 20
|
|
|
|
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
|
|
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
|
|
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
|
|
#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
|
|
#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
|
|
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
|
|
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
|
|
#define _TIF_FREEZE (1 << TIF_FREEZE)
|
|
#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
|
|
|
|
/*
|
|
* Change these and you break ASM code in entry-common.S
|
|
*/
|
|
#define _TIF_WORK_MASK 0x000000ff
|
|
#define _TIF_WORK_SYSCALL_ENTRY (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP)
|
|
#define _TIF_WORK_SYSCALL_LEAVE (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP)
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* __ASM_NDS32_THREAD_INFO_H */
|