| /* SPDX-License-Identifier: GPL-2.0 */ |
| // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. |
| |
| #ifndef _ASM_CSKY_THREAD_INFO_H |
| #define _ASM_CSKY_THREAD_INFO_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <linux/version.h> |
| #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; |
| mm_segment_t addr_limit; |
| struct restart_block restart_block; |
| struct pt_regs *regs; |
| unsigned int cpu; |
| }; |
| |
| #define INIT_THREAD_INFO(tsk) \ |
| { \ |
| .task = &tsk, \ |
| .preempt_count = INIT_PREEMPT_COUNT, \ |
| .addr_limit = KERNEL_DS, \ |
| .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.ksp))->r8)) |
| |
| 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_SYSCALL_TRACE 3 /* syscall trace active */ |
| #define TIF_SYSCALL_TRACEPOINT 4 /* syscall tracepoint instrumentation */ |
| #define TIF_SYSCALL_AUDIT 5 /* syscall auditing */ |
| #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_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) |
| |
| #endif /* _ASM_CSKY_THREAD_INFO_H */ |