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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Ulf Ralberg
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __ASM_THREAD_H__
#define __ASM_THREAD_H__
#include "config.h"
/* generic thread.h */
#if defined(HAVE_WIN32_FIBER_THREADS) || defined(HAVE_SIGALTSTACK_THREADS)
struct regs
{
void (*start)(void); /* thread's entry point, or NULL when started */
void* uc; /* host thread handle */
uintptr_t sp; /* Stack pointer, unused */
size_t stack_size; /* stack size, not always used */
uintptr_t stack; /* pointer to start of the stack buffer */
};
#include <errno.h>
#ifdef HAVE_SIGALTSTACK_THREADS
#include <signal.h>
#ifdef _DYNAMIC_STACK_SIZE_SOURCE
/* glibc 2.34 made MINSIGSTKSZ non-constant. This is a problem for sim
* builds. Hosted targets are using ancient glibc where MINSIGSTKSZ is
* still a compile time constant. On platforms where this is a problem
* (mainly x86-64 and ARM64) the signal stack size can be big, so let's
* give a decent amount of space and hope for the best...
* FIXME: this isn't a great solution. */
#undef MINSIGSTKSZ
#endif
#ifndef MINSIGSTKSZ
#define MINSIGSTKSZ 16384
#endif
/* MINSIGSTKSZ for the OS to deliver the signal + 0x3000 for us */
#define DEFAULT_STACK_SIZE (MINSIGSTKSZ+0x3000) /* Bytes */
#elif defined(HAVE_WIN32_FIBER_THREADS)
#define DEFAULT_STACK_SIZE 0x1000 /* Bytes */
#endif
#elif defined(CPU_ARM)
#include "arm/thread.h"
#elif defined(CPU_COLDFIRE)
#include "m68k/thread.h"
#elif defined(CPU_MIPS)
#include "mips/thread.h"
#endif
#endif
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