summaryrefslogtreecommitdiff
path: root/include/asm-arm/thread_info.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/thread_info.h')
-rw-r--r--include/asm-arm/thread_info.h153
1 files changed, 0 insertions, 153 deletions
diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
deleted file mode 100644
index d4be2d646160..000000000000
--- a/include/asm-arm/thread_info.h
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * linux/include/asm-arm/thread_info.h
- *
- * Copyright (C) 2002 Russell King.
- *
- * 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_ARM_THREAD_INFO_H
-#define __ASM_ARM_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>
-#include <asm/domain.h>
-
-typedef unsigned long mm_segment_t;
-
-struct cpu_context_save {
- __u32 r4;
- __u32 r5;
- __u32 r6;
- __u32 r7;
- __u32 r8;
- __u32 r9;
- __u32 sl;
- __u32 fp;
- __u32 sp;
- __u32 pc;
- __u32 extra[2]; /* Xscale 'acc' register, etc */
-};
-
-/*
- * 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 */
- __u32 cpu_domain; /* cpu domain */
- struct cpu_context_save cpu_context; /* cpu context */
- __u32 syscall; /* syscall number */
- __u8 used_cp[16]; /* thread used copro */
- unsigned long tp_value;
- struct crunch_state crunchstate;
- union fp_state fpstate __attribute__((aligned(8)));
- union vfp_state vfpstate;
-#ifdef CONFIG_ARM_THUMBEE
- unsigned long thumbee_state; /* ThumbEE Handler Base register */
-#endif
- struct restart_block restart_block;
-};
-
-#define INIT_THREAD_INFO(tsk) \
-{ \
- .task = &tsk, \
- .exec_domain = &default_exec_domain, \
- .flags = 0, \
- .preempt_count = 1, \
- .addr_limit = KERNEL_DS, \
- .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \
- domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
- domain_val(DOMAIN_IO, DOMAIN_CLIENT), \
- .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)(pc_pointer(task_thread_info(tsk)->cpu_context.pc)))
-#define thread_saved_fp(tsk) \
- ((unsigned long)(task_thread_info(tsk)->cpu_context.fp))
-
-extern void crunch_task_disable(struct thread_info *);
-extern void crunch_task_copy(struct thread_info *, void *);
-extern void crunch_task_restore(struct thread_info *, void *);
-extern void crunch_task_release(struct thread_info *);
-
-extern void iwmmxt_task_disable(struct thread_info *);
-extern void iwmmxt_task_copy(struct thread_info *, void *);
-extern void iwmmxt_task_restore(struct thread_info *, void *);
-extern void iwmmxt_task_release(struct thread_info *);
-extern void iwmmxt_task_switch(struct thread_info *);
-
-#endif
-
-/*
- * We use bit 30 of the preempt_count to indicate that kernel
- * preemption is occurring. See include/asm-arm/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_USEDFPU - FPU was used by this task this quantum (SMP)
- * TIF_POLLING_NRFLAG - true if poll_idle() is polling TIF_NEED_RESCHED
- */
-#define TIF_SIGPENDING 0
-#define TIF_NEED_RESCHED 1
-#define TIF_SYSCALL_TRACE 8
-#define TIF_POLLING_NRFLAG 16
-#define TIF_USING_IWMMXT 17
-#define TIF_MEMDIE 18
-#define TIF_FREEZE 19
-
-#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
-#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
-#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
-#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
-#define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT)
-#define _TIF_FREEZE (1 << TIF_FREEZE)
-
-/*
- * Change these and you break ASM code in entry-common.S
- */
-#define _TIF_WORK_MASK 0x000000ff
-
-#endif /* __KERNEL__ */
-#endif /* __ASM_ARM_THREAD_INFO_H */