source: soft/giet_vm/libs/libsrl/srl_hw_helpers.h @ 177

#ifndef SRL_HW_HELPERS_H
#define SRL_HW_HELPERS_H

/**
 * @file
 * @module{SRL}
 * @short Miscellaneous APIs
 */

#include "stdio.h"

typedef struct __ldscript_symbol_s __ldscript_symbol_t;

#define BASE_ADDR_OF(id)                                                                           \
        ({                                                                                                                                 \
                extern __ldscript_symbol_t _dsx_##id##_region_begin;               \
                (void*)&_dsx_##id##_region_begin;                                                                  \
        })


/**
   Standard API call, expands to nothing for this implementation.
 */
#define srl_busy_cycles(n) do{}while(0)

//void useless(void *pointless,...){}
/**
   @this flushes the cache line containing the address.
 */
//TODO
#define srl_dcache_flush_addr 0

/*
static inline cpu_dcache_invld(void *ptr){
         asm volatile (                                                         
        " cache %0, %1"                                                 
        : : "i" (0x11) , "R" (*(uint8_t*)(ptr)) 
        : "memory"                                                              
        );                                                      
}
*/

/**
   @this flushes a memory zone from cache.
 */
//TODO
//void dcache_flush(const void * addr, size_t size)
#define srl_dcache_flush_zone dcache_flush

/**
   @this waits for at least the given time (in cycles). The actual
   time spent in this call is not predictable.

   @param time Number of cycles to wait for
 */
void srl_sleep_cycles( unsigned int time );

/**
   @this returns the absolute timestamp counter from the
   initialization of the platform.

   @return Cycles from the initialization of the system
 */

//static: to avoid multiple definition error
static inline unsigned int srl_cycle_count()
{
        return giet_proctime();
}

/**
   @this aborts the current execution. On most systems, @this will
   simply hang.
 */
static inline void srl_abort()
{
        asm volatile ("break 0");
        while(1);
}

/**
 *
 */
static inline void srl_exit()
{
    giet_exit();
}

#endif