mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
3.5 KiB
108 lines
3.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* S390 version |
|
* Copyright IBM Corp. 2002, 2006 |
|
* Author(s): Martin Schwidefsky ([email protected]) |
|
*/ |
|
|
|
#ifndef _ASM_THREAD_INFO_H |
|
#define _ASM_THREAD_INFO_H |
|
|
|
#include <linux/bits.h> |
|
|
|
/* |
|
* General size of kernel stacks |
|
*/ |
|
#ifdef CONFIG_KASAN |
|
#define THREAD_SIZE_ORDER 4 |
|
#else |
|
#define THREAD_SIZE_ORDER 2 |
|
#endif |
|
#define BOOT_STACK_SIZE (PAGE_SIZE << 2) |
|
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) |
|
|
|
#ifndef __ASSEMBLY__ |
|
#include <asm/lowcore.h> |
|
#include <asm/page.h> |
|
|
|
#define STACK_INIT_OFFSET \ |
|
(THREAD_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs)) |
|
|
|
/* |
|
* 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 { |
|
unsigned long flags; /* low level flags */ |
|
unsigned long syscall_work; /* SYSCALL_WORK_ flags */ |
|
}; |
|
|
|
/* |
|
* macros/functions for gaining access to the thread information structure |
|
*/ |
|
#define INIT_THREAD_INFO(tsk) \ |
|
{ \ |
|
.flags = 0, \ |
|
} |
|
|
|
struct task_struct; |
|
|
|
void arch_release_task_struct(struct task_struct *tsk); |
|
int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); |
|
|
|
void arch_setup_new_exec(void); |
|
#define arch_setup_new_exec arch_setup_new_exec |
|
|
|
#endif |
|
|
|
/* |
|
* thread information flags bit numbers |
|
*/ |
|
/* _TIF_WORK bits */ |
|
#define TIF_NOTIFY_RESUME 0 /* callback before returning to user */ |
|
#define TIF_SIGPENDING 1 /* signal pending */ |
|
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ |
|
#define TIF_UPROBE 3 /* breakpointed or single-stepping */ |
|
#define TIF_GUARDED_STORAGE 4 /* load guarded storage control block */ |
|
#define TIF_PATCH_PENDING 5 /* pending live patching update */ |
|
#define TIF_PGSTE 6 /* New mm's will use 4K page tables */ |
|
#define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */ |
|
#define TIF_ISOLATE_BP 8 /* Run process with isolated BP */ |
|
#define TIF_ISOLATE_BP_GUEST 9 /* Run KVM guests with isolated BP */ |
|
#define TIF_PER_TRAP 10 /* Need to handle PER trap on exit to usermode */ |
|
|
|
#define TIF_31BIT 16 /* 32bit process */ |
|
#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ |
|
#define TIF_RESTORE_SIGMASK 18 /* restore signal mask in do_signal() */ |
|
#define TIF_SINGLE_STEP 19 /* This task is single stepped */ |
|
#define TIF_BLOCK_STEP 20 /* This task is block stepped */ |
|
#define TIF_UPROBE_SINGLESTEP 21 /* This task is uprobe single stepped */ |
|
|
|
/* _TIF_TRACE bits */ |
|
#define TIF_SYSCALL_TRACE 24 /* syscall trace active */ |
|
#define TIF_SYSCALL_AUDIT 25 /* syscall auditing active */ |
|
#define TIF_SECCOMP 26 /* secure computing */ |
|
#define TIF_SYSCALL_TRACEPOINT 27 /* syscall tracepoint instrumentation */ |
|
|
|
#define _TIF_NOTIFY_RESUME BIT(TIF_NOTIFY_RESUME) |
|
#define _TIF_NOTIFY_SIGNAL BIT(TIF_NOTIFY_SIGNAL) |
|
#define _TIF_SIGPENDING BIT(TIF_SIGPENDING) |
|
#define _TIF_NEED_RESCHED BIT(TIF_NEED_RESCHED) |
|
#define _TIF_UPROBE BIT(TIF_UPROBE) |
|
#define _TIF_GUARDED_STORAGE BIT(TIF_GUARDED_STORAGE) |
|
#define _TIF_PATCH_PENDING BIT(TIF_PATCH_PENDING) |
|
#define _TIF_ISOLATE_BP BIT(TIF_ISOLATE_BP) |
|
#define _TIF_ISOLATE_BP_GUEST BIT(TIF_ISOLATE_BP_GUEST) |
|
#define _TIF_PER_TRAP BIT(TIF_PER_TRAP) |
|
|
|
#define _TIF_31BIT BIT(TIF_31BIT) |
|
#define _TIF_SINGLE_STEP BIT(TIF_SINGLE_STEP) |
|
|
|
#define _TIF_SYSCALL_TRACE BIT(TIF_SYSCALL_TRACE) |
|
#define _TIF_SYSCALL_AUDIT BIT(TIF_SYSCALL_AUDIT) |
|
#define _TIF_SECCOMP BIT(TIF_SECCOMP) |
|
#define _TIF_SYSCALL_TRACEPOINT BIT(TIF_SYSCALL_TRACEPOINT) |
|
|
|
#endif /* _ASM_THREAD_INFO_H */
|
|
|