mb.h

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#ifndef __xwos_lib_mb_h__
#define __xwos_lib_mb_h__
 
#include <cfg/project.h>
 
#include <xwos/ospl/soc/isa.h>
 
// cppcheck-suppress [misra-c2012-20.7]
#define xwmb_access(t, v)       (*((volatile t *)&(v)))
 
// cppcheck-suppress [misra-c2012-20.7]
#define xwmb_read(t, v, p)      xwmb_access(t, v) = (*(volatile t * )(p))
 
// cppcheck-suppress [misra-c2012-20.7]
#define xwmb_write(t, p, v)     (*(volatile t * )(p)) = (v)
 
#if !defined(xwmb_compiler) || defined(__DOXYGEN__)
#  define xwmb_compiler()
#endif
 
#if !defined(xwmb_mp_mb) || defined(__DOXYGEN__)
#  define xwmb_mp_mb()
#endif
 
#if !defined(xwmb_mp_rmb) || defined(__DOXYGEN__)
#  define xwmb_mp_rmb()
#endif
 
#if !defined(xwmb_mp_wmb) || defined(__DOXYGEN__)
#  define xwmb_mp_wmb()
#endif
 
#if !defined(xwmb_ddb) || defined(__DOXYGEN__)
#  define xwmb_ddb()    xwmb_compiler()
#endif
 
#if !defined(xwmb_mp_consume) || defined(__DOXYGEN__)
#  define xwmb_mp_consume()     xwmb_ddb()
#endif
 
#if !defined(xwmb_mp_acquire) || defined(__DOXYGEN__)
#  define xwmb_mp_acquire()     xwmb_mp_mb()
#endif
 
#if !defined(xwmb_mp_release) || defined(__DOXYGEN__)
#  define xwmb_mp_release()     xwmb_mp_mb()
#endif
 
#if !defined(xwmb_mp_load_acquire) || defined(__DOXYGEN__)
#define xwmb_mp_load_acquire(t, v, p)           \
        do {                                    \
                xwmb_read(t, (v), (p));         \
                xwmb_mp_acquire();              \
        } while (0)
#endif
 
#if !defined(xwmb_mp_store_release) || defined(__DOXYGEN__)
#define xwmb_mp_store_release(t, p, v)          \
        do {                                    \
                xwmb_mp_release();              \
                xwmb_write(t, (p), (v));        \
        } while (0)
#endif
 
#endif /* xwos/lib/mb.h */