Archipelago » qemu

/*

 *  PPC emulation micro-operations for qemu.

 * 

 *  Copyright (c) 2003 Jocelyn Mayer

 *

 * 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

 */

/* General purpose registers moves */

void OPPROTO glue(op_load_gpr_T0_gpr, REG)(void)

{

    T0 = regs->gpr[REG];

    RETURN();

}

void OPPROTO glue(op_load_gpr_T1_gpr, REG)(void)

{

    T1 = regs->gpr[REG];

    RETURN();

}

void OPPROTO glue(op_load_gpr_T2_gpr, REG)(void)

{

    T2 = regs->gpr[REG];

    RETURN();

}

void OPPROTO glue(op_store_T0_gpr_gpr, REG)(void)

{

    regs->gpr[REG] = T0;

    RETURN();

}

void OPPROTO glue(op_store_T1_gpr_gpr, REG)(void)

{

    regs->gpr[REG] = T1;

    RETURN();

}

void OPPROTO glue(op_store_T2_gpr_gpr, REG)(void)

{

    regs->gpr[REG] = T2;

    RETURN();

}

#if REG <= 7

/* Condition register moves */

void OPPROTO glue(op_load_crf_T0_crf, REG)(void)

{

    T0 = regs->crf[REG];

    RETURN();

}

void OPPROTO glue(op_load_crf_T1_crf, REG)(void)

{

    T1 = regs->crf[REG];

    RETURN();

}

void OPPROTO glue(op_store_T0_crf_crf, REG)(void)

{

    regs->crf[REG] = T0;

    RETURN();

}

void OPPROTO glue(op_store_T1_crf_crf, REG)(void)

{

    regs->crf[REG] = T1;

    RETURN();

}

/* Floating point condition and status register moves */

void OPPROTO glue(op_load_fpscr_T0_fpscr, REG)(void)

{

    T0 = regs->fpscr[REG];

    RETURN();

}

#if REG == 0

void OPPROTO glue(op_store_T0_fpscr_fpscr, REG)(void)

{

    regs->fpscr[REG] = (regs->fpscr[REG] & 0x9) | (T0 & ~0x9);

    RETURN();

}

void OPPROTO glue(op_store_T0_fpscri_fpscr, REG)(void)

{

    regs->fpscr[REG] = (regs->fpscr[REG] & ~0x9) | (PARAM(1) & 0x9);

    RETURN();

}

void OPPROTO glue(op_clear_fpscr_fpscr, REG)(void)

{

    regs->fpscr[REG] = (regs->fpscr[REG] & 0x9);

    RETURN();

}

#else

void OPPROTO glue(op_store_T0_fpscr_fpscr, REG)(void)

{

    regs->fpscr[REG] = T0;

    RETURN();

}

void OPPROTO glue(op_store_T0_fpscri_fpscr, REG)(void)

{

    regs->fpscr[REG] = PARAM(1);

    RETURN();

}

void OPPROTO glue(op_clear_fpscr_fpscr, REG)(void)

{

    regs->fpscr[REG] = 0x0;

    RETURN();

}

#endif

#endif /* REG <= 7 */

/* floating point registers moves */

void OPPROTO glue(op_load_fpr_FT0_fpr, REG)(void)

{

    FT0 = env->fpr[REG];

    RETURN();

}

void OPPROTO glue(op_store_FT0_fpr_fpr, REG)(void)

{

    env->fpr[REG] = FT0;

    RETURN();

}

void OPPROTO glue(op_load_fpr_FT1_fpr, REG)(void)

{

    FT1 = env->fpr[REG];

    RETURN();

}

void OPPROTO glue(op_store_FT1_fpr_fpr, REG)(void)

{

    env->fpr[REG] = FT1;

    RETURN();

}

void OPPROTO glue(op_load_fpr_FT2_fpr, REG)(void)

{

    FT2 = env->fpr[REG];

    RETURN();

}

void OPPROTO glue(op_store_FT2_fpr_fpr, REG)(void)

{

    env->fpr[REG] = FT2;

    RETURN();

}

#if REG <= 15

/* Segment register moves */

void OPPROTO glue(op_load_sr, REG)(void)

{

    T0 = env->sr[REG];

    RETURN();

}

void OPPROTO glue(op_store_sr, REG)(void)

{

    do_store_sr(REG);

    RETURN();

}

#endif

#undef REG