hal-cortexa.c File Reference

#include <stdio.h>
#include "hal.h"

Include dependency graph for hal-cortexa.c:

Go to the source code of this file.

Functions
void	hal_setup (const enum clock_mode clock)
uint64_t	hal_get_time ()

Function Documentation

hal_get_time()

uint64_t hal_get_time

(

void

)

Definition at line 10 of file hal-cortexa.c.

                        {
 
#if defined(AARCH64)
 
    uint64_t t;
    asm volatile("mrs %0, PMCCNTR_EL0":"=r"(t));
    return t;
 
    #elif defined(ARMV7l)
 
        // TODO: this is actually a 32-bit counter, so it won't work for very long running schemes
        //       need to figure out a way to get a 64-bit cycle counter
        unsigned int cc;
    asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(cc));
    return cc;
    #elif defined(x8664)
        uint64_t t = 0;
    return t;
#else
    uint64_t t = 0;
    return t;
#endif
}

Referenced by cshake128_simple(), cshake128_simple_absorb(), cshake128_simple_squeezeblocks(), cshake256_simple(), cshake256_simple_absorb(), cshake256_simple_squeezeblocks(), sha3_256(), sha3_256_inc_absorb(), sha3_256_inc_finalize(), sha3_256_inc_init(), sha3_384(), sha3_384_inc_absorb(), sha3_384_inc_finalize(), sha3_384_inc_init(), sha3_512(), sha3_512_inc_absorb(), sha3_512_inc_finalize(), sha3_512_inc_init(), shake128(), shake128_absorb(), shake128_inc_absorb(), shake128_inc_finalize(), shake128_inc_init(), shake128_inc_squeeze(), shake128_squeezeblocks(), shake256(), shake256_absorb(), shake256_inc_absorb(), shake256_inc_finalize(), shake256_inc_init(), shake256_inc_squeeze(), and shake256_squeezeblocks().

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hal_setup()

void hal_setup

(

const enum clock_mode

clock

)

Definition at line 4 of file hal-cortexa.c.

{
    (void)clock;
    //TODO figure out if we need to do someting here
}