forked from len0rd/rockbox
56ec2e2e4a
The 12K-per-thread necessary on arm64 linux systems caused an unnecessary 180K increase in RAM usage on the hibyos hosted ports. So back off to the old size unless we know it was needed. Change-Id: I1e25417433052027ae02a51903b0f5245819db44
70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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, plus more for us */
|
|
#if defined(SIMULATOR) || defined(__aarch64__)
|
|
#define DEFAULT_STACK_SIZE (MINSIGSTKSZ+0x6000) /* Bytes */
|
|
#else
|
|
#define DEFAULT_STACK_SIZE (MINSIGSTKSZ+0x3000) /* Bytes */
|
|
#endif
|
|
#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
|