mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 09:55:55 +00:00
![bellard](/assets/img/avatar_default.png)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@133 c046a42c-6fe2-441c-8c8c-71466251a162
246 lines
5.1 KiB
C
246 lines
5.1 KiB
C
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void OPPROTO glue(glue(op_movs, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, inc;
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inc = (DF << SHIFT);
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v = glue(ldu, SUFFIX)(SI_ADDR);
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glue(st, SUFFIX)(DI_ADDR, v);
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inc = (DF << SHIFT);
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INC_SI();
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INC_DI();
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}
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void OPPROTO glue(glue(op_rep_movs, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, inc;
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inc = (DF << SHIFT);
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while (CX != 0) {
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v = glue(ldu, SUFFIX)(SI_ADDR);
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glue(st, SUFFIX)(DI_ADDR, v);
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INC_SI();
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INC_DI();
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DEC_CX();
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_stos, SUFFIX), STRING_SUFFIX)(void)
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{
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int inc;
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glue(st, SUFFIX)(DI_ADDR, EAX);
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inc = (DF << SHIFT);
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INC_DI();
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}
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void OPPROTO glue(glue(op_rep_stos, SUFFIX), STRING_SUFFIX)(void)
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{
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int inc;
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inc = (DF << SHIFT);
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while (CX != 0) {
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glue(st, SUFFIX)(DI_ADDR, EAX);
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INC_DI();
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DEC_CX();
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_lods, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, inc;
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v = glue(ldu, SUFFIX)(SI_ADDR);
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#if SHIFT == 0
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EAX = (EAX & ~0xff) | v;
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#elif SHIFT == 1
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EAX = (EAX & ~0xffff) | v;
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#else
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EAX = v;
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#endif
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inc = (DF << SHIFT);
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INC_SI();
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}
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/* don't know if it is used */
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void OPPROTO glue(glue(op_rep_lods, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, inc;
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inc = (DF << SHIFT);
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while (CX != 0) {
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v = glue(ldu, SUFFIX)(SI_ADDR);
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#if SHIFT == 0
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EAX = (EAX & ~0xff) | v;
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#elif SHIFT == 1
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EAX = (EAX & ~0xffff) | v;
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#else
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EAX = v;
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#endif
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INC_SI();
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DEC_CX();
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_scas, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, inc;
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v = glue(ldu, SUFFIX)(DI_ADDR);
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inc = (DF << SHIFT);
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INC_DI();
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CC_SRC = EAX;
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CC_DST = EAX - v;
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}
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void OPPROTO glue(glue(op_repz_scas, SUFFIX), STRING_SUFFIX)(void)
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{
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int v1, v2, inc;
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if (CX != 0) {
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/* NOTE: the flags are not modified if CX == 0 */
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v1 = EAX & DATA_MASK;
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inc = (DF << SHIFT);
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do {
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v2 = glue(ldu, SUFFIX)(DI_ADDR);
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INC_DI();
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DEC_CX();
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if (v1 != v2)
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break;
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} while (CX != 0);
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CC_SRC = v1;
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CC_DST = v1 - v2;
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CC_OP = CC_OP_SUBB + SHIFT;
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_repnz_scas, SUFFIX), STRING_SUFFIX)(void)
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{
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int v1, v2, inc;
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if (CX != 0) {
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/* NOTE: the flags are not modified if CX == 0 */
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v1 = EAX & DATA_MASK;
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inc = (DF << SHIFT);
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do {
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v2 = glue(ldu, SUFFIX)(DI_ADDR);
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INC_DI();
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DEC_CX();
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if (v1 == v2)
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break;
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} while (CX != 0);
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CC_SRC = v1;
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CC_DST = v1 - v2;
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CC_OP = CC_OP_SUBB + SHIFT;
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_cmps, SUFFIX), STRING_SUFFIX)(void)
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{
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int v1, v2, inc;
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v1 = glue(ldu, SUFFIX)(SI_ADDR);
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v2 = glue(ldu, SUFFIX)(DI_ADDR);
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inc = (DF << SHIFT);
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INC_SI();
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INC_DI();
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CC_SRC = v1;
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CC_DST = v1 - v2;
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}
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void OPPROTO glue(glue(op_repz_cmps, SUFFIX), STRING_SUFFIX)(void)
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{
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int v1, v2, inc;
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if (CX != 0) {
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inc = (DF << SHIFT);
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do {
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v1 = glue(ldu, SUFFIX)(SI_ADDR);
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v2 = glue(ldu, SUFFIX)(DI_ADDR);
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INC_SI();
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INC_DI();
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DEC_CX();
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if (v1 != v2)
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break;
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} while (CX != 0);
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CC_SRC = v1;
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CC_DST = v1 - v2;
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CC_OP = CC_OP_SUBB + SHIFT;
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_repnz_cmps, SUFFIX), STRING_SUFFIX)(void)
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{
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int v1, v2, inc;
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if (CX != 0) {
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inc = (DF << SHIFT);
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do {
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v1 = glue(ldu, SUFFIX)(SI_ADDR);
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v2 = glue(ldu, SUFFIX)(DI_ADDR);
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INC_SI();
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INC_DI();
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DEC_CX();
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if (v1 == v2)
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break;
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} while (CX != 0);
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CC_SRC = v1;
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CC_DST = v1 - v2;
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CC_OP = CC_OP_SUBB + SHIFT;
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_outs, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, dx, inc;
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dx = EDX & 0xffff;
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v = glue(ldu, SUFFIX)(SI_ADDR);
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glue(cpu_x86_out, SUFFIX)(env, dx, v);
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inc = (DF << SHIFT);
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INC_SI();
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}
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void OPPROTO glue(glue(op_rep_outs, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, dx, inc;
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inc = (DF << SHIFT);
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dx = EDX & 0xffff;
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while (CX != 0) {
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v = glue(ldu, SUFFIX)(SI_ADDR);
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glue(cpu_x86_out, SUFFIX)(env, dx, v);
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INC_SI();
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DEC_CX();
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}
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FORCE_RET();
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}
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void OPPROTO glue(glue(op_ins, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, dx, inc;
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dx = EDX & 0xffff;
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v = glue(cpu_x86_in, SUFFIX)(env, dx);
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glue(st, SUFFIX)(DI_ADDR, v);
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inc = (DF << SHIFT);
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INC_DI();
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}
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void OPPROTO glue(glue(op_rep_ins, SUFFIX), STRING_SUFFIX)(void)
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{
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int v, dx, inc;
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inc = (DF << SHIFT);
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dx = EDX & 0xffff;
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while (CX != 0) {
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v = glue(cpu_x86_in, SUFFIX)(env, dx);
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glue(st, SUFFIX)(DI_ADDR, v);
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INC_DI();
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DEC_CX();
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}
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FORCE_RET();
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}
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#undef STRING_SUFFIX
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#undef SI_ADDR
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#undef DI_ADDR
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#undef INC_SI
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#undef INC_DI
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#undef CX
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#undef DEC_CX
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