From deae26bf6a10e47983606f5df080b91e97650ead Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 23:02:13 -0400 Subject: parisc: move include/asm-parisc to arch/parisc/include/asm --- arch/parisc/include/asm/thread_info.h | 74 +++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 arch/parisc/include/asm/thread_info.h (limited to 'arch/parisc/include/asm/thread_info.h') diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h new file mode 100644 index 00000000000..9f812741c35 --- /dev/null +++ b/arch/parisc/include/asm/thread_info.h @@ -0,0 +1,74 @@ +#ifndef _ASM_PARISC_THREAD_INFO_H +#define _ASM_PARISC_THREAD_INFO_H + +#ifdef __KERNEL__ + +#ifndef __ASSEMBLY__ +#include + +struct thread_info { + struct task_struct *task; /* main task structure */ + struct exec_domain *exec_domain;/* execution domain */ + unsigned long flags; /* thread_info flags (see TIF_*) */ + mm_segment_t addr_limit; /* user-level address space limit */ + __u32 cpu; /* current CPU */ + int preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */ + struct restart_block restart_block; +}; + +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .flags = 0, \ + .cpu = 0, \ + .addr_limit = KERNEL_DS, \ + .preempt_count = 1, \ + .restart_block = { \ + .fn = do_no_restart_syscall \ + } \ +} + +#define init_thread_info (init_thread_union.thread_info) +#define init_stack (init_thread_union.stack) + +/* thread information allocation */ + +#define THREAD_SIZE_ORDER 2 +/* Be sure to hunt all references to this down when you change the size of + * the kernel stack */ +#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) +#define THREAD_SHIFT (PAGE_SHIFT + THREAD_SIZE_ORDER) + +/* how to get the thread information struct from C */ +#define current_thread_info() ((struct thread_info *)mfctl(30)) + +#endif /* !__ASSEMBLY */ + +#define PREEMPT_ACTIVE_BIT 28 +#define PREEMPT_ACTIVE (1 << PREEMPT_ACTIVE_BIT) + +/* + * thread information flags + */ +#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_SIGPENDING 1 /* signal pending */ +#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ +#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */ +#define TIF_32BIT 4 /* 32 bit binary */ +#define TIF_MEMDIE 5 +#define TIF_RESTORE_SIGMASK 6 /* restore saved signal mask */ + +#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) +#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) +#define _TIF_32BIT (1 << TIF_32BIT) +#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) + +#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | \ + _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK) + +#endif /* __KERNEL__ */ + +#endif /* _ASM_PARISC_THREAD_INFO_H */ -- cgit v1.2.3