qemu-e2k/target/mips/rel6_translate.c

/*
 *  MIPS emulation for QEMU - # Release 6 translation routines
 *
 *  Copyright (c) 2004-2005 Jocelyn Mayer
 *  Copyright (c) 2006 Marius Groeger (FPU operations)
 *  Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
 *  Copyright (c) 2020 Philippe Mathieu-Daudé
 *
 * This code is licensed under the GNU GPLv2 and later.
 */

#include "qemu/osdep.h"
#include "tcg/tcg-op.h"
#include "exec/helper-gen.h"
#include "translate.h"

/* Include the auto-generated decoder.  */
#include "decode-mips32r6.c.inc"
#include "decode-mips64r6.c.inc"

bool trans_REMOVED(DisasContext *ctx, arg_REMOVED *a)
{
    gen_reserved_instruction(ctx);

    return true;
}

static bool trans_LSA(DisasContext *ctx, arg_rtype *a)
{
    return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa);
}

static bool trans_DLSA(DisasContext *ctx, arg_rtype *a)
{
    return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa);
}

bool decode_isa_rel6(DisasContext *ctx, uint32_t insn)
{
    if (TARGET_LONG_BITS == 64 && decode_mips64r6(ctx, insn)) {
        return true;
    }
    return decode_mips32r6(ctx, insn);
}