mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2025-12-25 06:23:53 +01:00
7b9d199ec8
wrap some libc functions that do system calls (terminal output) wrap read/write with syscall guard define real_read/write (next dynamic linker find for read/write) guard system calls in remaining code introduce native_internhal.h throw out some debug statements that break things clean up includes a bit declare board_init in native_internhal.h add -ldl to LINKFLAGS for cpu/syscalls
73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
/**
|
|
* Native CPU interface
|
|
*
|
|
* The native CPU uses system calls to simulate hardware access.
|
|
*
|
|
* Copyright (C) 2013 Ludwig Ortmann
|
|
*
|
|
* This file subject to the terms and conditions of the GNU Lesser General
|
|
* Public License. See the file LICENSE in the top level directory for more
|
|
* details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup arch
|
|
* @defgroup native_cpu Native CPU
|
|
* @{
|
|
* @author Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
|
|
*/
|
|
|
|
#ifndef _CPU_H
|
|
#define _CPU_H
|
|
|
|
#include <sys/param.h>
|
|
|
|
/* enable signal handler register access on different platforms
|
|
* check here for more:
|
|
* http://sourceforge.net/p/predef/wiki/OperatingSystems/
|
|
*/
|
|
#ifdef BSD // BSD = (FreeBSD, Darwin, ...)
|
|
#ifndef _XOPEN_SOURCE
|
|
#define _XOPEN_SOURCE
|
|
#include <ucontext.h>
|
|
#undef _XOPEN_SOURCE
|
|
#else
|
|
#include <ucontext.h>
|
|
#endif
|
|
#elif defined(__linux__)
|
|
#ifndef _GNU_SOURCE
|
|
#define GNU_SOURCE
|
|
#include <ucontext.h>
|
|
#undef GNU_SOURCE
|
|
#else
|
|
#include <ucontext.h>
|
|
#endif
|
|
#endif // BSD/Linux
|
|
|
|
#include "kernel_internal.h"
|
|
#include "sched.h"
|
|
|
|
#include "cpu-conf.h"
|
|
|
|
/* TODO: choose better value? */
|
|
#define F_CPU 1000000
|
|
|
|
void dINT(void);
|
|
void eINT(void);
|
|
|
|
/**
|
|
* register interrupt handler handler for interrupt sig
|
|
*/
|
|
int register_interrupt(int sig, void (*handler)(void));
|
|
|
|
/**
|
|
* unregister interrupt handler for interrupt sig
|
|
*/
|
|
int unregister_interrupt(int sig);
|
|
|
|
/* this should be defined elsewhere */
|
|
void thread_yield(void);
|
|
|
|
/** @} */
|
|
#endif //_CPU_H
|