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kvisc/vm/in/mov.c

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2019-05-30 18:31:50 +02:00
// The OS/K Team licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
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#include <in/instrs.h>
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IMPL_START_1(lea)
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{
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v1 = p2->addr;
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}
IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_2(mov)
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{
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v1 = v2;
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}
IMPL_OUT;
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IMPL_START_1(movzx)
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{
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DECVZX(v2, p2);
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v1 = v2;
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}
IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_2(xchg)
{
ulong t = v1;
v1 = v2;
v2 = t;
}
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IMPL_OUT_2;
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IMPL_START_2(cmpxchg)
{
if (rax == v1) {
flg |= ZF;
v1 = v2;
}
else {
flg &= ~ZF;
rax = v1;
}
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}
IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_2(ldarg)
{
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if (v2 < 32)
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v1 = R(AX0 + v2);
else
_except(ctx, E_ILL, "ldarg: value out of range: %lu", v1);
}
IMPL_OUT;
//----------------------------------------------------------------------------//
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IMPL_START_1(gco)
{
v1 = cr1;
}
IMPL_OUT;
IMPL_START_1(gcd)
{
v1 = cr2;
}
IMPL_OUT;
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//----------------------------------------------------------------------------//
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