f9bf50745f
This includes:
-RDTIME{L/H}.W
-RDTIME.D
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-30-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2021 Loongson Technology Corporation Limited
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*/
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static bool trans_break(DisasContext *ctx, arg_break *a)
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{
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generate_exception(ctx, EXCCODE_BRK);
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return true;
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}
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static bool trans_syscall(DisasContext *ctx, arg_syscall *a)
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{
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generate_exception(ctx, EXCCODE_SYS);
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return true;
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}
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static bool trans_asrtle_d(DisasContext *ctx, arg_asrtle_d * a)
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{
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TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
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TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE);
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gen_helper_asrtle_d(cpu_env, src1, src2);
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return true;
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}
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static bool trans_asrtgt_d(DisasContext *ctx, arg_asrtgt_d * a)
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{
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TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
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TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE);
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gen_helper_asrtgt_d(cpu_env, src1, src2);
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return true;
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}
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static bool gen_rdtime(DisasContext *ctx, arg_rr *a,
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bool word, bool high)
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{
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TCGv dst1 = gpr_dst(ctx, a->rd, EXT_NONE);
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TCGv dst2 = gpr_dst(ctx, a->rj, EXT_NONE);
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if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
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gen_io_start();
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}
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gen_helper_rdtime_d(dst1, cpu_env);
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if (word) {
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tcg_gen_sextract_tl(dst1, dst1, high ? 32 : 0, 32);
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}
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tcg_gen_ld_i64(dst2, cpu_env, offsetof(CPULoongArchState, CSR_TID));
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return true;
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}
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static bool trans_rdtimel_w(DisasContext *ctx, arg_rdtimel_w *a)
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{
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return gen_rdtime(ctx, a, 1, 0);
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}
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static bool trans_rdtimeh_w(DisasContext *ctx, arg_rdtimeh_w *a)
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{
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return gen_rdtime(ctx, a, 1, 1);
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}
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static bool trans_rdtime_d(DisasContext *ctx, arg_rdtime_d *a)
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{
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return gen_rdtime(ctx, a, 0, 0);
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}
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static bool trans_cpucfg(DisasContext *ctx, arg_cpucfg *a)
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{
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TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE);
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TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
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gen_helper_cpucfg(dest, cpu_env, src1);
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gen_set_gpr(a->rd, dest, EXT_NONE);
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return true;
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}
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static bool gen_crc(DisasContext *ctx, arg_rrr *a,
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void (*func)(TCGv, TCGv, TCGv, TCGv),
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TCGv tsz)
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{
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TCGv dest = gpr_dst(ctx, a->rd, EXT_SIGN);
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TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE);
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TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE);
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func(dest, src2, src1, tsz);
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gen_set_gpr(a->rd, dest, EXT_SIGN);
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return true;
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}
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TRANS(crc_w_b_w, gen_crc, gen_helper_crc32, tcg_constant_tl(1))
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TRANS(crc_w_h_w, gen_crc, gen_helper_crc32, tcg_constant_tl(2))
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TRANS(crc_w_w_w, gen_crc, gen_helper_crc32, tcg_constant_tl(4))
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TRANS(crc_w_d_w, gen_crc, gen_helper_crc32, tcg_constant_tl(8))
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TRANS(crcc_w_b_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(1))
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TRANS(crcc_w_h_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(2))
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TRANS(crcc_w_w_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(4))
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TRANS(crcc_w_d_w, gen_crc, gen_helper_crc32c, tcg_constant_tl(8))
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