/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2021 Loongson Technology Corporation Limited
 */

static bool trans_break(DisasContext *ctx, arg_break *a)
{
    generate_exception(ctx, EXCCODE_BRK);
    return true;
}

static bool trans_syscall(DisasContext *ctx, arg_syscall *a)
{
    generate_exception(ctx, EXCCODE_SYS);
    return true;
}

static bool trans_asrtle_d(DisasContext *ctx, arg_asrtle_d * a)
{
    TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
    TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE);

    gen_helper_asrtle_d(cpu_env, src1, src2);
    return true;
}

static bool trans_asrtgt_d(DisasContext *ctx, arg_asrtgt_d * a)
{
    TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
    TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE);

    gen_helper_asrtgt_d(cpu_env, src1, src2);
    return true;
}

static bool trans_cpucfg(DisasContext *ctx, arg_cpucfg *a)
{
    TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE);
    TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);

    gen_helper_cpucfg(dest, cpu_env, src1);
    gen_set_gpr(a->rd, dest, EXT_NONE);

    return true;
}

static bool gen_crc(DisasContext *ctx, arg_rrr *a,
                    void (*func)(TCGv, TCGv, TCGv, TCGv),
                    TCGv tsz)
{
    TCGv dest = gpr_dst(ctx, a->rd, EXT_SIGN);
    TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
    TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE);

    func(dest, src2, src1, tsz);
    gen_set_gpr(a->rd, dest, EXT_SIGN);

    return true;
}

TRANS(crc_w_b_w, gen_crc, gen_helper_crc32, tcg_constant_tl(1))
TRANS(crc_w_h_w, gen_crc, gen_helper_crc32, tcg_constant_tl(2))
TRANS(crc_w_w_w, gen_crc, gen_helper_crc32, tcg_constant_tl(4))
TRANS(crc_w_d_w, gen_crc, gen_helper_crc32, tcg_constant_tl(8))
TRANS(crcc_w_b_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(1))
TRANS(crcc_w_h_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(2))
TRANS(crcc_w_w_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(4))
TRANS(crcc_w_d_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(8))