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Diffstat (limited to 'include/asm-avr32/thread_info.h')
| -rw-r--r-- | include/asm-avr32/thread_info.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/include/asm-avr32/thread_info.h b/include/asm-avr32/thread_info.h deleted file mode 100644 index df68631..0000000 --- a/include/asm-avr32/thread_info.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_AVR32_THREAD_INFO_H -#define __ASM_AVR32_THREAD_INFO_H - -#include <asm/page.h> - -#define THREAD_SIZE_ORDER 1 -#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) - -#ifndef __ASSEMBLY__ -#include <asm/types.h> - -struct task_struct; -struct exec_domain; - -struct thread_info { - struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - unsigned long flags; /* low level flags */ - __u32 cpu; - __s32 preempt_count; /* 0 => preemptable, <0 => BUG */ - __u32 rar_saved; /* return address... */ - __u32 rsr_saved; /* ...and status register - saved by debug handler - when setting up - trampoline */ - struct restart_block restart_block; - __u8 supervisor_stack[0]; -}; - -#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) - -/* - * Get the thread information struct from C. - * We do the usual trick and use the lower end of the stack for this - */ -static inline struct thread_info *current_thread_info(void) -{ - unsigned long addr = ~(THREAD_SIZE - 1); - - asm("and %0, sp" : "=r"(addr) : "0"(addr)); - return (struct thread_info *)addr; -} - -/* thread information allocation */ -#define alloc_thread_info(ti) \ - ((struct thread_info *) __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER)) -#define free_thread_info(ti) free_pages((unsigned long)(ti), 1) -#define get_thread_info(ti) get_task_struct((ti)->task) -#define put_thread_info(ti) put_task_struct((ti)->task) - -#endif /* !__ASSEMBLY__ */ - -#define PREEMPT_ACTIVE 0x40000000 - -/* - * 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_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_BREAKPOINT 4 /* enter monitor mode on return */ -#define TIF_SINGLE_STEP 5 /* single step in progress */ -#define TIF_MEMDIE 6 -#define TIF_RESTORE_SIGMASK 7 /* restore signal mask in do_signal */ -#define TIF_CPU_GOING_TO_SLEEP 8 /* CPU is entering sleep 0 mode */ -#define TIF_FREEZE 29 -#define TIF_DEBUG 30 /* debugging enabled */ -#define TIF_USERSPACE 31 /* true if FS sets userspace */ - -#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_SINGLE_STEP (1 << TIF_SINGLE_STEP) -#define _TIF_MEMDIE (1 << TIF_MEMDIE) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -#define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP) - -/* Note: The masks below must never span more than 16 bits! */ - -/* work to do on interrupt/exception return */ -#define _TIF_WORK_MASK \ - ((1 << TIF_SIGPENDING) \ - | (1 << TIF_NEED_RESCHED) \ - | (1 << TIF_POLLING_NRFLAG) \ - | (1 << TIF_BREAKPOINT) \ - | (1 << TIF_RESTORE_SIGMASK)) - -/* work to do on any return to userspace */ -#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | (1 << TIF_SYSCALL_TRACE)) -/* work to do on return from debug mode */ -#define _TIF_DBGWORK_MASK (_TIF_WORK_MASK & ~(1 << TIF_BREAKPOINT)) - -#endif /* __ASM_AVR32_THREAD_INFO_H */ |