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Viewing changes to arch/mips/include/asm/thread_info.h

  • Committer: Package Import Robot
  • Author(s): Ben Hutchings
  • Date: 2014-02-02 16:57:49 UTC
  • mfrom: (1.1.10) (0.1.21 sid)
  • Revision ID: package-import@ubuntu.com-20140202165749-tw94o9t1t0a8txk6
Tags: 3.13-1~exp2
Merge changes from sid up to 3.12.6-3

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arch/mips/include/asm/thread_info.h
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#define STACK_WARN      (THREAD_SIZE / 8)
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#define PREEMPT_ACTIVE          0x10000000
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/*
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 * thread information flags
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 * - these are process state flags that various assembly files may need to
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#define TIF_32BIT_ADDR          23      /* 32-bit address space (o32/n32) */
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#define TIF_FPUBOUND            24      /* thread bound to FPU-full CPU set */
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#define TIF_LOAD_WATCH          25      /* If set, load watch registers */
 
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#define TIF_SYSCALL_TRACEPOINT  26      /* syscall tracepoint instrumentation */
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#define TIF_SYSCALL_TRACE       31      /* syscall trace active */
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#define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
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#define _TIF_32BIT_ADDR         (1<<TIF_32BIT_ADDR)
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#define _TIF_FPUBOUND           (1<<TIF_FPUBOUND)
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#define _TIF_LOAD_WATCH         (1<<TIF_LOAD_WATCH)
 
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#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
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#define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE |       \
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                                 _TIF_SYSCALL_AUDIT)
 
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                                 _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
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/* work to do in syscall_trace_leave() */
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#define _TIF_WORK_SYSCALL_EXIT  (_TIF_NOHZ | _TIF_SYSCALL_TRACE |       \
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                                 _TIF_SYSCALL_AUDIT)
 
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                                 _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
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/* work to do on interrupt/exception return */
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#define _TIF_WORK_MASK          \
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        (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME)
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/* work to do on any return to u-space */
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#define _TIF_ALLWORK_MASK       (_TIF_NOHZ | _TIF_WORK_MASK |           \
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                                 _TIF_WORK_SYSCALL_EXIT)
 
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                                 _TIF_WORK_SYSCALL_EXIT |               \
 
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                                 _TIF_SYSCALL_TRACEPOINT)
 
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/*
 
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 * We stash processor id into a COP0 register to retrieve it fast
 
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 * at kernel exception entry.
 
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 */
 
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#if defined(CONFIG_MIPS_MT_SMTC)
 
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#define SMP_CPUID_REG           2, 2    /* TCBIND */
 
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#define ASM_SMP_CPUID_REG       $2, 2
 
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#define SMP_CPUID_PTRSHIFT      19
 
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#elif defined(CONFIG_MIPS_PGD_C0_CONTEXT)
 
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#define SMP_CPUID_REG           20, 0   /* XCONTEXT */
 
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#define ASM_SMP_CPUID_REG       $20
 
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#define SMP_CPUID_PTRSHIFT      48
 
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#else
 
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#define SMP_CPUID_REG           4, 0    /* CONTEXT */
 
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#define ASM_SMP_CPUID_REG       $4
 
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#define SMP_CPUID_PTRSHIFT      23
 
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#endif
 
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#ifdef CONFIG_64BIT
 
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#define SMP_CPUID_REGSHIFT      (SMP_CPUID_PTRSHIFT + 3)
 
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#else
 
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#define SMP_CPUID_REGSHIFT      (SMP_CPUID_PTRSHIFT + 2)
 
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#endif
 
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#ifdef CONFIG_MIPS_MT_SMTC
 
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#define ASM_CPUID_MFC0          mfc0
 
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#define UASM_i_CPUID_MFC0       uasm_i_mfc0
 
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#else
 
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#define ASM_CPUID_MFC0          MFC0
 
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#define UASM_i_CPUID_MFC0       UASM_i_MFC0
 
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#endif
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#endif /* __KERNEL__ */
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#endif /* _ASM_THREAD_INFO_H */