Archipelago » qemu

/*

 * MIPS emulation micro-operations templates for floating point reg 

 * load & store for qemu.

 * 

 * Copyright (c) 2006 Marius Groeger

 *

 * 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

 */

#if defined(FREG)

#define OP_WLOAD_FREG(treg, tregname, FREG)              \

    void glue(glue(op_load_fpr_,tregname), FREG) (void)  \

    {                                                    \

        treg = env->fpr[FREG].fs[FP_ENDIAN_IDX];         \

        RETURN();                                        \

    }

#define OP_WSTORE_FREG(treg, tregname, FREG)             \

    void glue(glue(op_store_fpr_,tregname), FREG) (void) \

    {                                                    \

        env->fpr[FREG].fs[FP_ENDIAN_IDX] = treg;         \

        RETURN();                                        \

    }

/* WT0 = FREG.w: op_load_fpr_WT0_fprFREG */

OP_WLOAD_FREG(WT0, WT0_fpr, FREG)

/* FREG.w = WT0: op_store_fpr_WT0_fprFREG */

OP_WSTORE_FREG(WT0, WT0_fpr, FREG)

OP_WLOAD_FREG(WT1, WT1_fpr, FREG)

OP_WSTORE_FREG(WT1, WT1_fpr, FREG)

OP_WLOAD_FREG(WT2, WT2_fpr, FREG)

OP_WSTORE_FREG(WT2, WT2_fpr, FREG)

#define OP_DLOAD_FREG(treg, tregname, FREG)              \

    void glue(glue(op_load_fpr_,tregname), FREG) (void)  \

    {                                                    \

        if (env->CP0_Status & (1 << CP0St_FR))           \

            treg = env->fpr[FREG].fd;                    \

        else                                             \

            treg = (uint64_t)(env->fpr[FREG | 1].fs[FP_ENDIAN_IDX]) << 32 | \

                   env->fpr[FREG & ~1].fs[FP_ENDIAN_IDX]; \

        RETURN();                                        \

    }

#define OP_DSTORE_FREG(treg, tregname, FREG)             \

    void glue(glue(op_store_fpr_,tregname), FREG) (void) \

    {                                                    \

        if (env->CP0_Status & (1 << CP0St_FR))           \

            env->fpr[FREG].fd = treg;                    \

        else {                                           \

            env->fpr[FREG | 1].fs[FP_ENDIAN_IDX] = treg >> 32; \

            env->fpr[FREG & ~1].fs[FP_ENDIAN_IDX] = treg; \

        }                                                \

        RETURN();                                        \

    }

OP_DLOAD_FREG(DT0, DT0_fpr, FREG)

OP_DSTORE_FREG(DT0, DT0_fpr, FREG)

OP_DLOAD_FREG(DT1, DT1_fpr, FREG)

OP_DSTORE_FREG(DT1, DT1_fpr, FREG)

OP_DLOAD_FREG(DT2, DT2_fpr, FREG)

OP_DSTORE_FREG(DT2, DT2_fpr, FREG)

#define OP_PSLOAD_FREG(treg, tregname, FREG)             \

    void glue(glue(op_load_fpr_,tregname), FREG) (void)  \

    {                                                    \

        treg = env->fpr[FREG].fs[!FP_ENDIAN_IDX];        \

        RETURN();                                        \

    }

#define OP_PSSTORE_FREG(treg, tregname, FREG)            \

    void glue(glue(op_store_fpr_,tregname), FREG) (void) \

    {                                                    \

        env->fpr[FREG].fs[!FP_ENDIAN_IDX] = treg;        \

        RETURN();                                        \

    }

OP_PSLOAD_FREG(WTH0, WTH0_fpr, FREG)

OP_PSSTORE_FREG(WTH0, WTH0_fpr, FREG)

OP_PSLOAD_FREG(WTH1, WTH1_fpr, FREG)

OP_PSSTORE_FREG(WTH1, WTH1_fpr, FREG)

OP_PSLOAD_FREG(WTH2, WTH2_fpr, FREG)

OP_PSSTORE_FREG(WTH2, WTH2_fpr, FREG)

#endif

#if defined (FTN)

#define SET_RESET(treg, tregname)        \

    void glue(op_set, tregname)(void)    \

    {                                    \

        treg = PARAM1;                   \

        RETURN();                        \

    }                                    \

    void glue(op_reset, tregname)(void)  \

    {                                    \

        treg = 0;                        \

        RETURN();                        \

    }

SET_RESET(WT0, _WT0)

SET_RESET(WT1, _WT1)

SET_RESET(WT2, _WT2)

SET_RESET(DT0, _DT0)

SET_RESET(DT1, _DT1)

SET_RESET(DT2, _DT2)

SET_RESET(WTH0, _WTH0)

SET_RESET(WTH1, _WTH1)

SET_RESET(WTH2, _WTH2)

#undef SET_RESET

#endif