Archipelago » qemu

/*

 *  i386 micro operations (templates for various register related

 *  operations)

 * 

 *  Copyright (c) 2003 Fabrice Bellard

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

void OPPROTO glue(op_movl_A0,REGNAME)(void)

{

    A0 = REG;

}

void OPPROTO glue(op_addl_A0,REGNAME)(void)

{

    A0 += REG;

}

void OPPROTO glue(glue(op_addl_A0,REGNAME),_s1)(void)

{

    A0 += REG << 1;

}

void OPPROTO glue(glue(op_addl_A0,REGNAME),_s2)(void)

{

    A0 += REG << 2;

}

void OPPROTO glue(glue(op_addl_A0,REGNAME),_s3)(void)

{

    A0 += REG << 3;

}

void OPPROTO glue(op_movl_T0,REGNAME)(void)

{

    T0 = REG;

}

void OPPROTO glue(op_movl_T1,REGNAME)(void)

{

    T1 = REG;

}

void OPPROTO glue(op_movh_T0,REGNAME)(void)

{

    T0 = REG >> 8;

}

void OPPROTO glue(op_movh_T1,REGNAME)(void)

{

    T1 = REG >> 8;

}

void OPPROTO glue(glue(op_movl,REGNAME),_T0)(void)

{

    REG = T0;

}

void OPPROTO glue(glue(op_movl,REGNAME),_T1)(void)

{

    REG = T1;

}

void OPPROTO glue(glue(op_movl,REGNAME),_A0)(void)

{

    REG = A0;

}

/* mov T1 to REG if T0 is true */

void OPPROTO glue(glue(op_cmovw,REGNAME),_T1_T0)(void)

{

    if (T0)

        REG = (REG & 0xffff0000) | (T1 & 0xffff);

    FORCE_RET();

}

void OPPROTO glue(glue(op_cmovl,REGNAME),_T1_T0)(void)

{

    if (T0)

        REG = T1;

    FORCE_RET();

}

/* NOTE: T0 high order bits are ignored */

void OPPROTO glue(glue(op_movw,REGNAME),_T0)(void)

{

    REG = (REG & 0xffff0000) | (T0 & 0xffff);

}

/* NOTE: T0 high order bits are ignored */

void OPPROTO glue(glue(op_movw,REGNAME),_T1)(void)

{

    REG = (REG & 0xffff0000) | (T1 & 0xffff);

}

/* NOTE: A0 high order bits are ignored */

void OPPROTO glue(glue(op_movw,REGNAME),_A0)(void)

{

    REG = (REG & 0xffff0000) | (A0 & 0xffff);

}

/* NOTE: T0 high order bits are ignored */

void OPPROTO glue(glue(op_movb,REGNAME),_T0)(void)

{

    REG = (REG & 0xffffff00) | (T0 & 0xff);

}

/* NOTE: T0 high order bits are ignored */

void OPPROTO glue(glue(op_movh,REGNAME),_T0)(void)

{

    REG = (REG & 0xffff00ff) | ((T0 & 0xff) << 8);

}

/* NOTE: T1 high order bits are ignored */

void OPPROTO glue(glue(op_movb,REGNAME),_T1)(void)

{

    REG = (REG & 0xffffff00) | (T1 & 0xff);

}

/* NOTE: T1 high order bits are ignored */

void OPPROTO glue(glue(op_movh,REGNAME),_T1)(void)

{

    REG = (REG & 0xffff00ff) | ((T1 & 0xff) << 8);

}