diff options
Diffstat (limited to 'arch/unicore32/include/asm/thread_info.h')
| -rw-r--r-- | arch/unicore32/include/asm/thread_info.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/arch/unicore32/include/asm/thread_info.h b/arch/unicore32/include/asm/thread_info.h deleted file mode 100644 index 818b4a1edb5b..000000000000 --- a/arch/unicore32/include/asm/thread_info.h +++ /dev/null @@ -1,152 +0,0 @@ -/* - * linux/arch/unicore32/include/asm/thread_info.h - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Copyright (C) 2001-2010 GUAN Xue-tao - * - * 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 __UNICORE_THREAD_INFO_H__ -#define __UNICORE_THREAD_INFO_H__ - -#ifdef __KERNEL__ - -#include <linux/compiler.h> -#include <asm/fpstate.h> - -#define THREAD_SIZE_ORDER 1 -#define THREAD_SIZE 8192 -#define THREAD_START_SP (THREAD_SIZE - 8) - -#ifndef __ASSEMBLY__ - -struct task_struct; -struct exec_domain; - -#include <asm/types.h> - -typedef struct { - unsigned long seg; -} mm_segment_t; - -struct cpu_context_save { - __u32 r4; - __u32 r5; - __u32 r6; - __u32 r7; - __u32 r8; - __u32 r9; - __u32 r10; - __u32 r11; - __u32 r12; - __u32 r13; - __u32 r14; - __u32 r15; - __u32 r16; - __u32 r17; - __u32 r18; - __u32 r19; - __u32 r20; - __u32 r21; - __u32 r22; - __u32 r23; - __u32 r24; - __u32 r25; - __u32 r26; - __u32 fp; - __u32 sp; - __u32 pc; -}; - -/* - * low level task data that entry.S needs immediate access to. - * __switch_to() assumes cpu_context follows immediately after cpu_domain. - */ -struct thread_info { - unsigned long flags; /* low level flags */ - int preempt_count; /* 0 => preemptable */ - /* <0 => bug */ - mm_segment_t addr_limit; /* address limit */ - struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - __u32 cpu; /* cpu */ - struct cpu_context_save cpu_context; /* cpu context */ - __u32 syscall; /* syscall number */ - __u8 used_cp[16]; /* thread used copro */ -#ifdef CONFIG_UNICORE_FPU_F64 - struct fp_state fpstate __attribute__((aligned(8))); -#endif - struct restart_block restart_block; -}; - -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .flags = 0, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ - .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) __attribute_const__; - -static inline struct thread_info *current_thread_info(void) -{ - register unsigned long sp asm ("sp"); - return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); -} - -#define thread_saved_pc(tsk) \ - ((unsigned long)(task_thread_info(tsk)->cpu_context.pc)) -#define thread_saved_sp(tsk) \ - ((unsigned long)(task_thread_info(tsk)->cpu_context.sp)) -#define thread_saved_fp(tsk) \ - ((unsigned long)(task_thread_info(tsk)->cpu_context.fp)) - -#endif - -/* - * We use bit 30 of the preempt_count to indicate that kernel - * preemption is occurring. See <asm/hardirq.h>. - */ -#define PREEMPT_ACTIVE 0x40000000 - -/* - * thread information flags: - * TIF_SYSCALL_TRACE - syscall trace active - * TIF_SIGPENDING - signal pending - * TIF_NEED_RESCHED - rescheduling necessary - * TIF_NOTIFY_RESUME - callback before returning to user - */ -#define TIF_SIGPENDING 0 -#define TIF_NEED_RESCHED 1 -#define TIF_NOTIFY_RESUME 2 /* callback before returning to user */ -#define TIF_SYSCALL_TRACE 8 -#define TIF_MEMDIE 18 -#define TIF_RESTORE_SIGMASK 20 - -#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) -#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) - -/* - * Change these and you break ASM code in entry-common.S - */ -#define _TIF_WORK_MASK \ - (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME) - -#endif /* __KERNEL__ */ -#endif /* __UNICORE_THREAD_INFO_H__ */ |