108 lines
1.7 KiB
C
108 lines
1.7 KiB
C
// The OS/K Team licenses this file to you under the MIT license.
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// 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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}
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IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_2_ONLY(mov)
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{
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v1 = v2;
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}
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IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_2_ONLY(movsxb)
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{
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v1 = (ulong)(long)(char)(v2 & 0xFF);
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}
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IMPL_OUT;
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IMPL_START_2_ONLY(movsxw)
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{
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v1 = (ulong)(long)(short)(v2 & 0xFFFF);
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}
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IMPL_OUT;
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IMPL_START_2_ONLY(movsxl)
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{
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v1 = (ulong)(long)(int)(v2 & 0xFFFFFFFF);
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}
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IMPL_OUT;
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//----------------------------------------------------------------------------//
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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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}
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IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_2(xchg)
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{
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ulong t = v1;
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v1 = v2;
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v2 = t;
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}
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IMPL_OUT_2;
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IMPL_START_2(cmpxchg)
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{
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if (rax == v1) {
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rfx |= ZF;
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v1 = v2;
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}
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else {
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rfx &= ~ZF;
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rax = v1;
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}
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}
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IMPL_OUT;
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//----------------------------------------------------------------------------//
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IMPL_START_3(rotl)
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{
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ulong tmp = v1;
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v1 = v2;
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v2 = v3;
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v3 = tmp;
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}
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IMPL_OUT_3;
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IMPL_START_3(rotr)
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{
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ulong tmp = v3;
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v3 = v2;
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v2 = v1;
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v1 = tmp;
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}
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IMPL_OUT_3;
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//----------------------------------------------------------------------------//
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IMPL_START_2_ONLY(ldarg)
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{
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if (v2 < 16)
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v1 = R(AX0 + v2);
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else
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_except(ctx, E_ILL, "ldarg: value out of range: %lu", v2);
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}
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IMPL_OUT;
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//----------------------------------------------------------------------------//
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