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Diffstat (limited to 'include/asm-sh/thread_info.h')
| -rw-r--r-- | include/asm-sh/thread_info.h | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h deleted file mode 100644 index 85f0c11b431..00000000000 --- a/include/asm-sh/thread_info.h +++ /dev/null @@ -1,100 +0,0 @@ -#ifndef __ASM_SH_THREAD_INFO_H -#define __ASM_SH_THREAD_INFO_H - -/* SuperH version - * Copyright (C) 2002 Niibe Yutaka - * - * The copyright of original i386 version is: - * - * Copyright (C) 2002 David Howells (dhowells@redhat.com) - * - Incorporating suggestions made by Linus Torvalds and Dave Miller - */ - -#ifdef __KERNEL__ - -#ifndef __ASSEMBLY__ -#include <asm/processor.h> - -struct thread_info { - struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - __u32 flags; /* low level flags */ - __u32 cpu; - int preempt_count; /* 0 => preemptable, <0 => BUG */ - struct restart_block restart_block; - __u8 supervisor_stack[0]; -}; - -#endif - -#define PREEMPT_ACTIVE 0x10000000 - -/* - * macros/functions for gaining access to the thread information structure - */ -#ifndef __ASSEMBLY__ -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .flags = 0, \ - .cpu = 0, \ - .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) - -/* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) -{ - struct thread_info *ti; - __asm__("stc r7_bank, %0" : "=r" (ti)); - return ti; -} - -/* thread information allocation */ -#define THREAD_SIZE (2*PAGE_SIZE) -#define alloc_thread_info(ti) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1)) -#define free_thread_info(ti) free_pages((unsigned long) (ti), 1) - -#else /* !__ASSEMBLY__ */ - -/* how to get the thread information struct from ASM */ -#define GET_THREAD_INFO(reg) \ - stc r7_bank, reg - -#endif - -/* - * 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_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ -#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 18 -#define TIF_USERSPACE 31 /* true if FS sets userspace */ - -#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_USEDFPU (1<<TIF_USEDFPU) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_USERSPACE (1<<TIF_USERSPACE) - -#define _TIF_WORK_MASK 0x000000FE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x000000FF /* work to do on any return to u-space */ - -#endif /* __KERNEL__ */ - -#endif /* __ASM_SH_THREAD_INFO_H */ |
