kvisc/vm/in/instrs.c

// The OS/K Team licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#include <in/instrs.h>
#include <sys/time.h>

#define _NEED_ARCH_I
#include <in/arch_i.h>

//----------------------------------------------------------------------------//

IMPL_START_0(nop)
{
}
IMPL_END;

//----------------------------------------------------------------------------//

IMPL_START_0(cpuid)
{
}
IMPL_END;

//----------------------------------------------------------------------------//

IMPL_START_1(rand32)
{
    v1 = (int)random();
}
IMPL_OUT;

IMPL_START_1(rand64)
{
    v1 = (random() << 32) | (int)random();
}
IMPL_OUT;

//----------------------------------------------------------------------------//

IMPL_START_1(time)
{
    struct timeval time;
    gettimeofday(&time, NULL);
    v1 = (time.tv_sec * 1000) + (time.tv_usec / 1000);
}
IMPL_OUT;

//----------------------------------------------------------------------------//

IMPL_START_1(prn)
{
    if (p1->mlen > 1) {
        log("prn warning: large access size\n");
    }
    putchar((int)v1);
}
IMPL_END;

//----------------------------------------------------------------------------//

IMPL_START_0(clr)
{
    rax = rbx = rcx = rdx = 0;
    rsx = rbi = rdi = rsi = 0;
}
IMPL_END;

IMPL_START_0(cla)
{
    ax0 = ax1 = ax2 = ax3 = 0;
    ax4 = ax5 = ax6 = ax7 = 0;
}
IMPL_END;

//----------------------------------------------------------------------------//