?? current.h
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/* * include/asm-v850/current.h -- Current task * * Copyright (C) 2001,02 NEC Corporation * Copyright (C) 2001,02 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this * archive for more details. * * Written by Miles Bader <miles@gnu.org> */#ifndef __V850_CURRENT_H__#define __V850_CURRENT_H__#ifndef __ASSEMBLY__ /* <linux/thread_info.h> is not asm-safe. */#include <linux/thread_info.h>#endif#include <asm/macrology.h>/* Register used to hold the current task pointer while in the kernel. Any `call clobbered' register without a special meaning should be OK, but check asm/v850/kernel/entry.S to be sure. */#define CURRENT_TASK_REGNUM 16#define CURRENT_TASK macrology_paste (r, CURRENT_TASK_REGNUM)#ifdef __ASSEMBLY__/* Put a pointer to the current task structure into REG. */#define GET_CURRENT_TASK(reg) \ GET_CURRENT_THREAD(reg); \ ld.w TI_TASK[reg], reg#else /* !__ASSEMBLY__ *//* A pointer to the current task. */register struct task_struct *current \ __asm__ (macrology_stringify (CURRENT_TASK));#endif /* __ASSEMBLY__ */#endif /* _V850_CURRENT_H */
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