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/**
* @file
*
* @brief CPU Port Implementation API
*/
/*
* Copyright (c) 2018.
* Amaan Cheval <amaan.cheval@gmail.com>
*
* 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
static inline uint8_t inport_byte(uint16_t port)
{
uint8_t ret;
__asm__ volatile ( "inb %1, %0"
: "=a" (ret)
: "Nd" (port) );
return ret;
}
static inline void outport_byte(uint16_t port, uint8_t val)
{
__asm__ volatile ( "outb %0, %1" : : "a" (val), "Nd" (port) );
}
#ifdef __cplusplus
}
#endif
#endif /* ASM */
#endif /* _RTEMS_SCORE_CPUIMPL_H */
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