diff options
Diffstat (limited to 'arch/score/include/asm/thread_info.h')
-rw-r--r-- | arch/score/include/asm/thread_info.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h deleted file mode 100644 index bc4c7c90550f..000000000000 --- a/arch/score/include/asm/thread_info.h +++ /dev/null @@ -1,90 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_SCORE_THREAD_INFO_H -#define _ASM_SCORE_THREAD_INFO_H - -#ifdef __KERNEL__ - -#define KU_MASK 0x08 -#define KU_USER 0x08 -#define KU_KERN 0x00 - -#include <asm/page.h> -#include <linux/const.h> - -/* thread information allocation */ -#define THREAD_SIZE_ORDER (1) -#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) -#define THREAD_MASK (THREAD_SIZE - _AC(1,UL)) - -#ifndef __ASSEMBLY__ - -#include <asm/processor.h> - -/* - * low level task data that entry.S needs immediate access to - * - this struct should fit entirely inside of one cache line - * - this struct shares the supervisor stack pages - * - if the contents of this structure are changed, the assembly constants - * must also be changed - */ -struct thread_info { - struct task_struct *task; /* main task structure */ - unsigned long flags; /* low level flags */ - unsigned long tp_value; /* thread pointer */ - __u32 cpu; /* current CPU */ - - /* 0 => preemptable, < 0 => BUG */ - int preempt_count; - - /* - * thread address space: - * 0-0xBFFFFFFF for user-thead - * 0-0xFFFFFFFF for kernel-thread - */ - mm_segment_t addr_limit; - struct pt_regs *regs; -}; - -/* - * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. - */ -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .cpu = 0, \ - .preempt_count = 1, \ - .addr_limit = KERNEL_DS, \ -} - -/* How to get the thread information struct from C. */ -register struct thread_info *__current_thread_info __asm__("r28"); -#define current_thread_info() __current_thread_info - -#endif /* !__ASSEMBLY__ */ - -/* - * thread information flags - * - these are process state flags that various assembly files may need to - * access - * - pending work-to-be-done flags are in LSW - * - other flags in MSW - */ -#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ -#define TIF_SIGPENDING 1 /* signal pending */ -#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ -#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -#define TIF_MEMDIE 18 /* is terminating due to OOM killer */ - -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) - -#define _TIF_WORK_MASK (0x0000ffff) - -#endif /* __KERNEL__ */ - -#endif /* _ASM_SCORE_THREAD_INFO_H */ |