cpuimpl.h

Go to the documentation of this file.

/*
 * Copyright (c) 2013, 2016 embedded brains GmbH
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_SCORE_CPUIMPL_H
#define _RTEMS_SCORE_CPUIMPL_H

#include <rtems/score/cpu.h>

#define CPU_PER_CPU_CONTROL_SIZE 0

#ifndef ASM

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
  /* CPU specific per-CPU state */
} CPU_Per_CPU_control;

register struct Per_CPU_Control *_CPU_Per_CPU_current asm( "rX" );

#define _CPU_Get_current_per_CPU_control() ( _CPU_Per_CPU_current )

#define _CPU_Get_thread_executing() ( _CPU_Per_CPU_current->executing )

void _CPU_Context_volatile_clobber( uintptr_t pattern );

void _CPU_Context_validate( uintptr_t pattern );

RTEMS_INLINE_ROUTINE void _CPU_Instruction_illegal( void )
{
  __asm__ volatile ( ".word 0" );
}

RTEMS_INLINE_ROUTINE void _CPU_Instruction_no_operation( void )
{
  __asm__ volatile ( "nop" );
}

#ifdef __cplusplus
}
#endif

#endif /* ASM */

#endif /* _RTEMS_SCORE_CPUIMPL_H */