/* SPDX-License-Identifier: GPL-2.0 */ /* thread_info.h: CRIS low-level thread information * * Copyright (C) 2002 David Howells (dhowells@redhat.com) * - Incorporating suggestions made by Linus Torvalds and Dave Miller * * CRIS port by Axis Communications */ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H #ifdef __KERNEL__ #ifndef __ASSEMBLY__ #include <asm/types.h> #include <asm/processor.h> #include <arch/thread_info.h> #include <asm/segment.h> #endif /* * 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 */ #ifndef __ASSEMBLY__ struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; /* low level flags */ __u32 cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ __u32 tls; /* TLS for this thread */ mm_segment_t addr_limit; /* thread address space: 0-0xBFFFFFFF for user-thead 0-0xFFFFFFFF for kernel-thread */ __u8 supervisor_stack[0]; }; #endif /* * macros/functions for gaining access to the thread information structure */ #ifndef __ASSEMBLY__ #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ } #define init_thread_info (init_thread_union.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_NOTIFY_RESUME 1 /* resumption notification requested */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
Kbuild | File | 729 B | 0644 |
|
asm-offsets.h | File | 35 B | 0644 |
|
axisflashmap.h | File | 1.92 KB | 0644 |
|
bitops.h | File | 1.27 KB | 0644 |
|
bug.h | File | 108 B | 0644 |
|
bugs.h | File | 300 B | 0644 |
|
cache.h | File | 133 B | 0644 |
|
cacheflush.h | File | 1.3 KB | 0644 |
|
checksum.h | File | 2.01 KB | 0644 |
|
delay.h | File | 537 B | 0644 |
|
dma-mapping.h | File | 399 B | 0644 |
|
dma.h | File | 458 B | 0644 |
|
eshlibld.h | File | 3.49 KB | 0644 |
|
etraxi2c.h | File | 1019 B | 0644 |
|
fasttimer.h | File | 1.12 KB | 0644 |
|
fb.h | File | 244 B | 0644 |
|
ftrace.h | File | 12 B | 0644 |
|
hw_irq.h | File | 53 B | 0644 |
|
io.h | File | 732 B | 0644 |
|
irq.h | File | 194 B | 0644 |
|
irqflags.h | File | 27 B | 0644 |
|
mmu.h | File | 155 B | 0644 |
|
mmu_context.h | File | 927 B | 0644 |
|
page.h | File | 2.52 KB | 0644 |
|
pci.h | File | 1.05 KB | 0644 |
|
pgalloc.h | File | 1.36 KB | 0644 |
|
pgtable.h | File | 9.58 KB | 0644 |
|
processor.h | File | 1.82 KB | 0644 |
|
ptrace.h | File | 393 B | 0644 |
|
segment.h | File | 148 B | 0644 |
|
serial.h | File | 211 B | 0644 |
|
shmparam.h | File | 232 B | 0644 |
|
signal.h | File | 505 B | 0644 |
|
stacktrace.h | File | 213 B | 0644 |
|
string.h | File | 508 B | 0644 |
|
swab.h | File | 159 B | 0644 |
|
switch_to.h | File | 449 B | 0644 |
|
termios.h | File | 1.71 KB | 0644 |
|
thread_info.h | File | 2.47 KB | 0644 |
|
timex.h | File | 433 B | 0644 |
|
tlb.h | File | 453 B | 0644 |
|
tlbflush.h | File | 1.09 KB | 0644 |
|
uaccess.h | File | 9.59 KB | 0644 |
|
ucontext.h | File | 322 B | 0644 |
|
unaligned.h | File | 345 B | 0644 |
|
unistd.h | File | 972 B | 0644 |
|
user.h | File | 2.14 KB | 0644 |
|