struct cpu_context_save cpu_context; /* cpu context */
__u8 used_cp[16]; /* thread used copro */
unsigned long tp_value;
- union fp_state fpstate;
+ struct crunch_state crunchstate;
+ union fp_state fpstate __attribute__((aligned(8)));
union vfp_state vfpstate;
struct restart_block restart_block;
};
extern struct thread_info *alloc_thread_info(struct task_struct *task);
extern void free_thread_info(struct thread_info *);
-#define get_thread_info(ti) get_task_struct((ti)->task)
-#define put_thread_info(ti) put_task_struct((ti)->task)
-
#define thread_saved_pc(tsk) \
- ((unsigned long)(pc_pointer((tsk)->thread_info->cpu_context.pc)))
+ ((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc)))
#define thread_saved_fp(tsk) \
- ((unsigned long)((tsk)->thread_info->cpu_context.fp))
+ ((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 occuring. See include/asm-arm/hardirq.h.
+ * preemption is occurring. See include/asm-arm/hardirq.h.
*/
#define PREEMPT_ACTIVE 0x40000000