kvisc/vm/in/mov.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>

IMPL_START_1(lea)
{
    v1 = p2->addr;
}
IMPL_OUT;

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

IMPL_START_2(mov)
{
    v1 = v2;
}
IMPL_OUT;

IMPL_START_1(movzx)
{
    DECVZX(v2, p2);
    v1 = v2;
}
IMPL_OUT;

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

IMPL_START_2(xchg)
{
    ulong t = v1;
    v1 = v2;
    v2 = t;
}
IMPL_OUT_2;


IMPL_START_2(cmpxchg)
{
    if (rax == v1) {
        flg |= ZF;
        v1 = v2;
    }

    else {
        flg &= ~ZF;
        rax = v1;
    }
}
IMPL_OUT;

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

IMPL_START_2(ldarg)
{
    if (v2 < 32)
        v1 = R(AX0 + v2);

    else
        _except(ctx, E_ILL, "ldarg: value out of range: %lu", v1);
}
IMPL_OUT;

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

IMPL_START_1(gco)
{
    v1 = cr1;
}
IMPL_OUT;

IMPL_START_1(gcd)
{
    v1 = cr2;
}
IMPL_OUT;

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