From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/nds32/include/asm/thread_info.h | 76 ++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 arch/nds32/include/asm/thread_info.h (limited to 'arch/nds32/include/asm/thread_info.h') diff --git a/arch/nds32/include/asm/thread_info.h b/arch/nds32/include/asm/thread_info.h new file mode 100644 index 000000000..d3967ad18 --- /dev/null +++ b/arch/nds32/include/asm/thread_info.h @@ -0,0 +1,76 @@ +/* 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 +#include + +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 */ -- cgit v1.2.3