/* * arch/arm/include/asm/thread_info.h * * Copyright (C) 2002 Russell King. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __ASM_ARM_THREAD_INFO_H #define __ASM_ARM_THREAD_INFO_H #ifdef __KERNEL__ #include <linux/compiler.h> #include <asm/fpstate.h> #include <asm/page.h> #define THREAD_SIZE_ORDER 1 #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #define THREAD_START_SP (THREAD_SIZE - 8) #ifndef __ASSEMBLY__ struct task_struct; #include <asm/types.h> typedef unsigned long mm_segment_t; struct cpu_context_save { __u32 r4; __u32 r5; __u32 r6; __u32 r7; __u32 r8; __u32 r9; __u32 sl; __u32 fp; __u32 sp; __u32 pc; __u32 extra[2]; /* Xscale 'acc' register, etc */ }; /* * low level task data that entry.S needs immediate access to. * __switch_to() assumes cpu_context follows immediately after cpu_domain. */ struct thread_info { unsigned long flags; /* low level flags */ int preempt_count; /* 0 => preemptable, <0 => bug */ mm_segment_t addr_limit; /* address limit */ struct task_struct *task; /* main task structure */ __u32 cpu; /* cpu */ __u32 cpu_domain; /* cpu domain */ struct cpu_context_save cpu_context; /* cpu context */ __u32 syscall; /* syscall number */ __u8 used_cp[16]; /* thread used copro */ unsigned long tp_value[2]; /* TLS registers */ #ifdef CONFIG_CRUNCH struct crunch_state crunchstate; #endif union fp_state fpstate __attribute__((aligned(8))); union vfp_state vfpstate; #ifdef CONFIG_ARM_THUMBEE unsigned long thumbee_state; /* ThumbEE Handler Base register */ #endif }; #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .flags = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ } #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) /* * how to get the current stack pointer in C */ register unsigned long current_stack_pointer asm ("sp"); /* * how to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) __attribute_const__; static inline struct thread_info *current_thread_info(void) { return (struct thread_info *) (current_stack_pointer & ~(THREAD_SIZE - 1)); } #define thread_saved_pc(tsk) \ ((unsigned long)(task_thread_info(tsk)->cpu_context.pc)) #define thread_saved_sp(tsk) \ ((unsigned long)(task_thread_info(tsk)->cpu_context.sp)) #ifndef CONFIG_THUMB2_KERNEL #define thread_saved_fp(tsk) \ ((unsigned long)(task_thread_info(tsk)->cpu_context.fp)) #else #define thread_saved_fp(tsk) \ ((unsigned long)(task_thread_info(tsk)->cpu_context.r7)) #endif extern void crunch_task_disable(struct thread_info *); extern void crunch_task_copy(struct thread_info *, void *); extern void crunch_task_restore(struct thread_info *, void *); extern void crunch_task_release(struct thread_info *); extern void iwmmxt_task_disable(struct thread_info *); extern void iwmmxt_task_copy(struct thread_info *, void *); extern void iwmmxt_task_restore(struct thread_info *, void *); extern void iwmmxt_task_release(struct thread_info *); extern void iwmmxt_task_switch(struct thread_info *); extern void vfp_sync_hwstate(struct thread_info *); extern void vfp_flush_hwstate(struct thread_info *); struct user_vfp; struct user_vfp_exc; extern int vfp_preserve_user_clear_hwstate(struct user_vfp *, struct user_vfp_exc *); extern int vfp_restore_user_hwstate(struct user_vfp *, struct user_vfp_exc *); #endif /* * thread information flags: * TIF_USEDFPU - FPU was used by this task this quantum (SMP) * TIF_POLLING_NRFLAG - true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_SIGPENDING 0 /* signal pending */ #define TIF_NEED_RESCHED 1 /* rescheduling necessary */ #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */ #define TIF_UPROBE 3 /* breakpointed or singlestepping */ #define TIF_SYSCALL_TRACE 4 /* syscall trace active */ #define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ #define TIF_SYSCALL_TRACEPOINT 6 /* syscall tracepoint instrumentation */ #define TIF_SECCOMP 7 /* seccomp syscall filtering active */ #define TIF_NOHZ 12 /* in adaptive nohz mode */ #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 20 #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_UPROBE (1 << TIF_UPROBE) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) /* Checks for any syscall work in entry-common.S */ #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) /* * Change these and you break ASM code in entry-common.S */ #define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \ _TIF_NOTIFY_RESUME | _TIF_UPROBE) #endif /* __KERNEL__ */ #endif /* __ASM_ARM_THREAD_INFO_H */
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
hardware | Folder | 0755 |
|
|
mach | Folder | 0755 |
|
|
xen | Folder | 0755 |
|
|
Kbuild | File | 568 B | 0644 |
|
arch_gicv3.h | File | 9.05 KB | 0644 |
|
arch_timer.h | File | 2.48 KB | 0644 |
|
arm-cci.h | File | 1.05 KB | 0644 |
|
asm-offsets.h | File | 35 B | 0644 |
|
assembler.h | File | 10.46 KB | 0644 |
|
atomic.h | File | 13.22 KB | 0644 |
|
auxvec.h | File | 29 B | 0644 |
|
bL_switcher.h | File | 2.28 KB | 0644 |
|
barrier.h | File | 2.84 KB | 0644 |
|
bitops.h | File | 8.62 KB | 0644 |
|
bitrev.h | File | 451 B | 0644 |
|
bug.h | File | 2.46 KB | 0644 |
|
bugs.h | File | 546 B | 0644 |
|
cache.h | File | 813 B | 0644 |
|
cacheflush.h | File | 15.54 KB | 0644 |
|
cachetype.h | File | 2.71 KB | 0644 |
|
checksum.h | File | 3.71 KB | 0644 |
|
clocksource.h | File | 153 B | 0644 |
|
cmpxchg.h | File | 6.14 KB | 0644 |
|
compiler.h | File | 978 B | 0644 |
|
cp15.h | File | 3.84 KB | 0644 |
|
cpu.h | File | 533 B | 0644 |
|
cpufeature.h | File | 1.4 KB | 0644 |
|
cpuidle.h | File | 1.33 KB | 0644 |
|
cputype.h | File | 8.42 KB | 0644 |
|
cti.h | File | 3.62 KB | 0644 |
|
dcc.h | File | 1.01 KB | 0644 |
|
delay.h | File | 2.83 KB | 0644 |
|
device.h | File | 771 B | 0644 |
|
div64.h | File | 3.17 KB | 0644 |
|
dma-contiguous.h | File | 265 B | 0644 |
|
dma-iommu.h | File | 1.01 KB | 0644 |
|
dma-mapping.h | File | 7.44 KB | 0644 |
|
dma.h | File | 4.18 KB | 0644 |
|
dmi.h | File | 528 B | 0644 |
|
domain.h | File | 3.65 KB | 0644 |
|
ecard.h | File | 5.98 KB | 0644 |
|
edac.h | File | 1.51 KB | 0644 |
|
efi.h | File | 3.04 KB | 0644 |
|
elf.h | File | 4.52 KB | 0644 |
|
entry-macro-multi.S | File | 726 B | 0644 |
|
exception.h | File | 571 B | 0644 |
|
fb.h | File | 375 B | 0644 |
|
fiq.h | File | 1.36 KB | 0644 |
|
firmware.h | File | 1.82 KB | 0644 |
|
fixmap.h | File | 1.84 KB | 0644 |
|
flat.h | File | 915 B | 0644 |
|
floppy.h | File | 3.61 KB | 0644 |
|
fncpy.h | File | 3.08 KB | 0644 |
|
fpstate.h | File | 1.73 KB | 0644 |
|
ftrace.h | File | 1.92 KB | 0644 |
|
futex.h | File | 4.24 KB | 0644 |
|
glue-cache.h | File | 3.51 KB | 0644 |
|
glue-df.h | File | 2.2 KB | 0644 |
|
glue-pf.h | File | 1.12 KB | 0644 |
|
glue-proc.h | File | 4.46 KB | 0644 |
|
glue.h | File | 759 B | 0644 |
|
gpio.h | File | 693 B | 0644 |
|
hardirq.h | File | 803 B | 0644 |
|
highmem.h | File | 2.15 KB | 0644 |
|
hugetlb-3level.h | File | 2.03 KB | 0644 |
|
hugetlb.h | File | 1.78 KB | 0644 |
|
hw_breakpoint.h | File | 3.53 KB | 0644 |
|
hw_irq.h | File | 349 B | 0644 |
|
hwcap.h | File | 378 B | 0644 |
|
hypervisor.h | File | 140 B | 0644 |
|
ide.h | File | 566 B | 0644 |
|
idmap.h | File | 355 B | 0644 |
|
insn.h | File | 636 B | 0644 |
|
io.h | File | 15.96 KB | 0644 |
|
irq.h | File | 1015 B | 0644 |
|
irq_work.h | File | 234 B | 0644 |
|
irqflags.h | File | 3.88 KB | 0644 |
|
jump_label.h | File | 1009 B | 0644 |
|
kexec-internal.h | File | 272 B | 0644 |
|
kexec.h | File | 2.3 KB | 0644 |
|
kgdb.h | File | 2.72 KB | 0644 |
|
kmap_types.h | File | 190 B | 0644 |
|
kprobes.h | File | 2.65 KB | 0644 |
|
kvm_arm.h | File | 7.6 KB | 0644 |
|
kvm_asm.h | File | 2.84 KB | 0644 |
|
kvm_coproc.h | File | 1.99 KB | 0644 |
|
kvm_emulate.h | File | 7.84 KB | 0644 |
|
kvm_host.h | File | 10.31 KB | 0644 |
|
kvm_hyp.h | File | 4.49 KB | 0644 |
|
kvm_mmio.h | File | 1.34 KB | 0644 |
|
kvm_mmu.h | File | 7.27 KB | 0644 |
|
limits.h | File | 166 B | 0644 |
|
linkage.h | File | 216 B | 0644 |
|
mc146818rtc.h | File | 720 B | 0644 |
|
mcpm.h | File | 11.92 KB | 0644 |
|
mcs_spinlock.h | File | 570 B | 0644 |
|
memblock.h | File | 248 B | 0644 |
|
memory.h | File | 10.12 KB | 0644 |
|
mmu.h | File | 953 B | 0644 |
|
mmu_context.h | File | 3.94 KB | 0644 |
|
module.h | File | 1.57 KB | 0644 |
|
mpu.h | File | 2.15 KB | 0644 |
|
mtd-xip.h | File | 666 B | 0644 |
|
neon.h | File | 1.16 KB | 0644 |
|
nwflash.h | File | 252 B | 0644 |
|
opcodes-sec.h | File | 742 B | 0644 |
|
opcodes-virt.h | File | 1.32 KB | 0644 |
|
opcodes.h | File | 8.07 KB | 0644 |
|
outercache.h | File | 3.78 KB | 0644 |
|
page-nommu.h | File | 957 B | 0644 |
|
page.h | File | 3.61 KB | 0644 |
|
paravirt.h | File | 454 B | 0644 |
|
patch.h | File | 438 B | 0644 |
|
pci.h | File | 956 B | 0644 |
|
percpu.h | File | 1.56 KB | 0644 |
|
perf_event.h | File | 850 B | 0644 |
|
pgalloc.h | File | 3.79 KB | 0644 |
|
pgtable-2level-hwdef.h | File | 3.45 KB | 0644 |
|
pgtable-2level-types.h | File | 1.84 KB | 0644 |
|
pgtable-2level.h | File | 8.51 KB | 0644 |
|
pgtable-3level-hwdef.h | File | 3.95 KB | 0644 |
|
pgtable-3level-types.h | File | 1.89 KB | 0644 |
|
pgtable-3level.h | File | 9.54 KB | 0644 |
|
pgtable-hwdef.h | File | 467 B | 0644 |
|
pgtable-nommu.h | File | 2.66 KB | 0644 |
|
pgtable.h | File | 11.68 KB | 0644 |
|
probes.h | File | 1.73 KB | 0644 |
|
proc-fns.h | File | 4.79 KB | 0644 |
|
processor.h | File | 3.4 KB | 0644 |
|
procinfo.h | File | 1.27 KB | 0644 |
|
prom.h | File | 715 B | 0644 |
|
psci.h | File | 771 B | 0644 |
|
ptrace.h | File | 4.89 KB | 0644 |
|
sections.h | File | 189 B | 0644 |
|
set_memory.h | File | 1.04 KB | 0644 |
|
setup.h | File | 934 B | 0644 |
|
shmparam.h | File | 419 B | 0644 |
|
signal.h | File | 500 B | 0644 |
|
smp.h | File | 3.1 KB | 0644 |
|
smp_plat.h | File | 2.48 KB | 0644 |
|
smp_scu.h | File | 1.32 KB | 0644 |
|
smp_twd.h | File | 908 B | 0644 |
|
sparsemem.h | File | 716 B | 0644 |
|
spectre.h | File | 906 B | 0644 |
|
spinlock.h | File | 5.49 KB | 0644 |
|
spinlock_types.h | File | 541 B | 0644 |
|
stackprotector.h | File | 1.09 KB | 0644 |
|
stacktrace.h | File | 742 B | 0644 |
|
stage2_pgtable.h | File | 2.12 KB | 0644 |
|
string.h | File | 1.43 KB | 0644 |
|
suspend.h | File | 369 B | 0644 |
|
swab.h | File | 1005 B | 0644 |
|
switch_to.h | File | 1.03 KB | 0644 |
|
sync_bitops.h | File | 1.03 KB | 0644 |
|
syscall.h | File | 2.48 KB | 0644 |
|
system_info.h | File | 763 B | 0644 |
|
system_misc.h | File | 1.14 KB | 0644 |
|
tcm.h | File | 937 B | 0644 |
|
therm.h | File | 655 B | 0644 |
|
thread_info.h | File | 5.2 KB | 0644 |
|
thread_notify.h | File | 1.2 KB | 0644 |
|
timex.h | File | 577 B | 0644 |
|
tlb.h | File | 7.37 KB | 0644 |
|
tlbflush.h | File | 17.88 KB | 0644 |
|
tls.h | File | 3.09 KB | 0644 |
|
topology.h | File | 1.18 KB | 0644 |
|
traps.h | File | 1.17 KB | 0644 |
|
trusted_foundations.h | File | 2.29 KB | 0644 |
|
uaccess-asm.h | File | 2.83 KB | 0644 |
|
uaccess.h | File | 16.22 KB | 0644 |
|
ucontext.h | File | 2.98 KB | 0644 |
|
unaligned.h | File | 846 B | 0644 |
|
unified.h | File | 1.61 KB | 0644 |
|
unistd.h | File | 1.68 KB | 0644 |
|
unwind.h | File | 1.71 KB | 0644 |
|
uprobes.h | File | 1.07 KB | 0644 |
|
user.h | File | 4.2 KB | 0644 |
|
v7m.h | File | 2.93 KB | 0644 |
|
vdso.h | File | 507 B | 0644 |
|
vdso_datapage.h | File | 1.69 KB | 0644 |
|
vfp.h | File | 2.86 KB | 0644 |
|
vfpmacros.h | File | 2.1 KB | 0644 |
|
vga.h | File | 305 B | 0644 |
|
virt.h | File | 2.9 KB | 0644 |
|
word-at-a-time.h | File | 2.08 KB | 0644 |
|
xor.h | File | 5.22 KB | 0644 |
|