firmware/asm/thread.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Ulf Ralberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef __ASM_THREAD_H__
  23 #define __ASM_THREAD_H__
  24 #include "config.h"
  25
  26 /* generic thread.h */
  27
  28 #if defined(HAVE_WIN32_FIBER_THREADS) || defined(HAVE_SIGALTSTACK_THREADS)
  29
  30 struct regs
  31 {
  32     void (*start)(void); /* thread's entry point, or NULL when started */
  33     void* uc;            /* host thread handle */
  34     uintptr_t sp;        /* Stack pointer, unused */
  35     size_t stack_size;   /* stack size, not always used */
  36     uintptr_t stack;     /* pointer to start of the stack buffer */
  37 };
  38
  39   #ifdef HAVE_SIGALTSTACK_THREADS
  40     #include <signal.h>
  41     /* MINSIGSTKSZ for the OS to deliver the signal + 0x3000 for us */
  42     #define DEFAULT_STACK_SIZE (MINSIGSTKSZ+0x3000) /* Bytes */
  43   #elif defined(HAVE_WIN32_FIBER_THREADS)
  44     #define DEFAULT_STACK_SIZE 0x1000 /* Bytes */
  45   #endif
  46 #elif defined(CPU_ARM)
  47   #include "arm/thread.h"
  48 #elif defined(CPU_COLDFIRE)
  49   #include "m68k/thread.h"
  50 #elif CONFIG_CPU == SH7034
  51   #include "sh/thread.h"
  52 #elif defined(CPU_MIPS)
  53   #include "mips/thread.h"
  54 #endif
  55
  56 #endif