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Diffstat (limited to 'include/asm-blackfin/thread_info.h')
| -rw-r--r-- | include/asm-blackfin/thread_info.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/include/asm-blackfin/thread_info.h b/include/asm-blackfin/thread_info.h deleted file mode 100644 index 642769329d1..00000000000 --- a/include/asm-blackfin/thread_info.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * File: include/asm-blackfin/thread_info.h - * Based on: include/asm-m68knommu/thread_info.h - * Author: LG Soft India - * Copyright (C) 2004-2005 Analog Devices Inc. - * Created: Tue Sep 21 2004 - * Description: Blackfin low-level thread information - * Modified: - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#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 */ - -#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 */ - struct exec_domain *exec_domain; /* execution domain */ - 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 */ - struct restart_block restart_block; - struct l1_scratch_task_info l1_task_info; -}; - -/* - * macros/functions for gaining access to the thread information structure - */ -#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) - -/* 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;": "=&d"(ti): - ); - return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1)); -} - -#endif /* __ASSEMBLY__ */ - -/* - * Offsets in thread_info structure, used in assembly code - */ -#define TI_TASK 0 -#define TI_EXECDOMAIN 4 -#define TI_FLAGS 8 -#define TI_CPU 12 -#define TI_PREEMPT 16 - -#define PREEMPT_ACTIVE 0x4000000 - -/* - * 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_POLLING_NRFLAG 3 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ -#define TIF_MEMDIE 4 -#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_FREEZE 6 /* is freezing for suspend */ - -/* 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_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_FREEZE (1<<TIF_FREEZE) - -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ - -#endif /* __KERNEL__ */ - -#endif /* _ASM_THREAD_INFO_H */ |