/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_CSKY_THREAD_INFO_H #define _ASM_CSKY_THREAD_INFO_H #ifndef __ASSEMBLY__ #include <asm/types.h> #include <asm/page.h> #include <asm/processor.h> #include <abi/switch_context.h> struct thread_info { struct task_struct *task; void *dump_exec_domain; unsigned long flags; int preempt_count; unsigned long tp_value; struct restart_block restart_block; struct pt_regs *regs; unsigned int cpu; }; #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .preempt_count = INIT_PREEMPT_COUNT, \ .cpu = 0, \ .restart_block = { \ .fn = do_no_restart_syscall, \ }, \ } #define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT) #define thread_saved_fp(tsk) \ ((unsigned long)(((struct switch_stack *)(tsk->thread.sp))->r8)) #define thread_saved_sp(tsk) \ ((unsigned long)(tsk->thread.sp)) #define thread_saved_lr(tsk) \ ((unsigned long)(((struct switch_stack *)(tsk->thread.sp))->r15)) static inline struct thread_info *current_thread_info(void) { unsigned long sp; asm volatile("mov %0, sp\n":"=r"(sp)); return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); } #endif /* !__ASSEMBLY__ */ #define TIF_SIGPENDING 0 /* signal pending */ #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_UPROBE 3 /* uprobe breakpoint or singlestep */ #define TIF_SYSCALL_TRACE 4 /* syscall trace active */ #define TIF_SYSCALL_TRACEPOINT 5 /* syscall tracepoint instrumentation */ #define TIF_SYSCALL_AUDIT 6 /* syscall auditing */ #define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */ #define TIF_POLLING_NRFLAG 16 /* poll_idle() is TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */ #define TIF_SECCOMP 21 /* secure computing */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_UPROBE (1 << TIF_UPROBE) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \ _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ _TIF_NOTIFY_SIGNAL) #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) #endif /* _ASM_CSKY_THREAD_INFO_H */