/* * Copyright 2004-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H #include <asm/page.h> #include <asm/entry.h> #include <asm/l1layout.h> #include <linux/compiler.h> #ifdef __KERNEL__ /* Thread Align Mask to reach to the top of the stack * for any process */ #define ALIGN_PAGE_MASK 0xffffe000 /* * Size of kernel stack for each process. This must be a power of 2... */ #define THREAD_SIZE_ORDER 1 #define THREAD_SIZE 8192 /* 2 pages */ #define STACK_WARN (THREAD_SIZE/8) #ifndef __ASSEMBLY__ typedef unsigned long mm_segment_t; /* * low level task data. * If you change this, change the TI_* offsets below to match. */ struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; /* low level flags */ int cpu; /* cpu we're on */ int preempt_count; /* 0 => preemptable, <0 => BUG */ mm_segment_t addr_limit; /* address limit */ #ifndef CONFIG_SMP struct l1_scratch_task_info l1_task_info; #endif }; /* * macros/functions for gaining access to the thread information structure */ #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ } #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) /* Given a task stack pointer, you can find its corresponding * thread_info structure just by masking it to the THREAD_SIZE * boundary (currently 8K as you can see above). */ __attribute_const__ static inline struct thread_info *current_thread_info(void) { struct thread_info *ti; __asm__("%0 = sp;" : "=da"(ti)); return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1)); } #endif /* __ASSEMBLY__ */ /* * thread information flag bit numbers */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ #define TIF_IRQ_SYNC 7 /* sync pipeline stage */ #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_IRQ_SYNC (1<<TIF_IRQ_SYNC) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 658 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 1.55 KB | 0644 |
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barrier.h | File | 2.55 KB | 0644 |
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bfin-global.h | File | 2.8 KB | 0644 |
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bfin-lq035q1.h | File | 868 B | 0644 |
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bfin5xx_spi.h | File | 2.07 KB | 0644 |
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bfin_can.h | File | 36.04 KB | 0644 |
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bfin_dma.h | File | 5.46 KB | 0644 |
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bfin_pfmon.h | File | 1.11 KB | 0644 |
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bfin_ppi.h | File | 9.01 KB | 0644 |
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bfin_sdh.h | File | 7.2 KB | 0644 |
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bfin_serial.h | File | 17.02 KB | 0644 |
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bfin_simple_timer.h | File | 949 B | 0644 |
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bfin_sport.h | File | 1.21 KB | 0644 |
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bfin_sport3.h | File | 5.47 KB | 0644 |
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bfin_twi.h | File | 6.25 KB | 0644 |
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bfin_watchdog.h | File | 696 B | 0644 |
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bfrom.h | File | 3.36 KB | 0644 |
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bitops.h | File | 3.45 KB | 0644 |
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blackfin.h | File | 1.55 KB | 0644 |
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bug.h | File | 1.49 KB | 0644 |
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cache.h | File | 1.47 KB | 0644 |
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cacheflush.h | File | 3.79 KB | 0644 |
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cdef_LPBlackfin.h | File | 18.93 KB | 0644 |
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checksum.h | File | 899 B | 0644 |
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clkdev.h | File | 318 B | 0644 |
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clocks.h | File | 1.66 KB | 0644 |
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cmpxchg.h | File | 3.2 KB | 0644 |
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context.S | File | 5.92 KB | 0644 |
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cplb.h | File | 4.86 KB | 0644 |
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cplbinit.h | File | 1.6 KB | 0644 |
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cpu.h | File | 443 B | 0644 |
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def_LPBlackfin.h | File | 28.6 KB | 0644 |
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delay.h | File | 917 B | 0644 |
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dma-mapping.h | File | 1.09 KB | 0644 |
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dma.h | File | 9.28 KB | 0644 |
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dpmc.h | File | 18.24 KB | 0644 |
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early_printk.h | File | 1.09 KB | 0644 |
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elf.h | File | 4.88 KB | 0644 |
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entry.h | File | 5.27 KB | 0644 |
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exec.h | File | 37 B | 0644 |
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fixed_code.h | File | 806 B | 0644 |
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flat.h | File | 1.41 KB | 0644 |
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ftrace.h | File | 1.37 KB | 0644 |
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gpio.h | File | 5.91 KB | 0644 |
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gptimers.h | File | 8.95 KB | 0644 |
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hardirq.h | File | 301 B | 0644 |
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io.h | File | 1.52 KB | 0644 |
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ipipe.h | File | 5.81 KB | 0644 |
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ipipe_base.h | File | 2.38 KB | 0644 |
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irq.h | File | 879 B | 0644 |
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irq_handler.h | File | 1.93 KB | 0644 |
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irqflags.h | File | 7.13 KB | 0644 |
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kgdb.h | File | 3.23 KB | 0644 |
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l1layout.h | File | 879 B | 0644 |
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linkage.h | File | 205 B | 0644 |
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mem_init.h | File | 13.1 KB | 0644 |
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mem_map.h | File | 1.73 KB | 0644 |
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mmu.h | File | 713 B | 0644 |
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mmu_context.h | File | 5.35 KB | 0644 |
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module.h | File | 410 B | 0644 |
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nand.h | File | 895 B | 0644 |
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nmi.h | File | 195 B | 0644 |
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page.h | File | 546 B | 0644 |
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page_offset.h | File | 192 B | 0644 |
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pci.h | File | 310 B | 0644 |
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pda.h | File | 1.86 KB | 0644 |
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perf_event.h | File | 23 B | 0644 |
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pgtable.h | File | 3 KB | 0644 |
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pm.h | File | 590 B | 0644 |
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portmux.h | File | 16.38 KB | 0644 |
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processor.h | File | 3.21 KB | 0644 |
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pseudo_instructions.h | File | 391 B | 0644 |
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ptrace.h | File | 1.19 KB | 0644 |
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reboot.h | File | 446 B | 0644 |
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rwlock.h | File | 142 B | 0644 |
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scb.h | File | 445 B | 0644 |
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sections.h | File | 2 KB | 0644 |
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segment.h | File | 226 B | 0644 |
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smp.h | File | 1.34 KB | 0644 |
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spinlock.h | File | 1.87 KB | 0644 |
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spinlock_types.h | File | 495 B | 0644 |
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string.h | File | 1.04 KB | 0644 |
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switch_to.h | File | 997 B | 0644 |
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syscall.h | File | 2.15 KB | 0644 |
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thread_info.h | File | 2.66 KB | 0644 |
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time.h | File | 1.33 KB | 0644 |
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timex.h | File | 477 B | 0644 |
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tlb.h | File | 481 B | 0644 |
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tlbflush.h | File | 88 B | 0644 |
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trace.h | File | 2.67 KB | 0644 |
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traps.h | File | 4.87 KB | 0644 |
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uaccess.h | File | 5.79 KB | 0644 |
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unistd.h | File | 523 B | 0644 |
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vga.h | File | 29 B | 0644 |
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