From patchwork Mon Apr 25 09:09:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaojuan Yang X-Patchwork-Id: 12825493 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE01CC433F5 for ; Mon, 25 Apr 2022 09:29:35 +0000 (UTC) Received: from localhost ([::1]:50958 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1niv2E-0003P5-Sq for qemu-devel@archiver.kernel.org; Mon, 25 Apr 2022 05:29:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48268) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niukK-00089I-1l for qemu-devel@nongnu.org; Mon, 25 Apr 2022 05:11:04 -0400 Received: from mail.loongson.cn ([114.242.206.163]:39318 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1niukG-0001Hd-Sk for qemu-devel@nongnu.org; Mon, 25 Apr 2022 05:11:03 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxn8+DZWZi+7gwAA--.18850S11; Mon, 25 Apr 2022 17:10:38 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Subject: [PATCH v2 09/43] target/loongarch: Add fixed point extra instruction translation Date: Mon, 25 Apr 2022 17:09:53 +0800 Message-Id: <20220425091027.2877892-10-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220425091027.2877892-1-yangxiaojuan@loongson.cn> References: <20220425091027.2877892-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf9Dxn8+DZWZi+7gwAA--.18850S11 X-Coremail-Antispam: 1UD129KBjvJXoW3Xr4Dtw15uFW3Kr18Cry8Krg_yoWxtFW8pF 1xAryUGr48Jry3Zwn7tw45tr1UZrs3Ca17Xayftw1ruF47XF1kXr48t39IkFWUJr1DXryj va13A34DKFWUXaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ Received-SPF: pass client-ip=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.cave-ayland@ilande.co.uk, richard.henderson@linaro.org, gaosong@loongson.cn Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Song Gao This includes: - CRC[C].W.{B/H/W/D}.W - SYSCALL - BREAK - ASRT{LE/GT}.D - RDTIME{L/H}.W, RDTIME.D - CPUCFG Signed-off-by: Song Gao Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson --- target/loongarch/helper.h | 4 ++ target/loongarch/insn_trans/trans_extra.c.inc | 68 +++++++++++++++++++ target/loongarch/insns.decode | 19 ++++++ target/loongarch/op_helper.c | 26 +++++++ target/loongarch/translate.c | 1 + 5 files changed, 118 insertions(+) create mode 100644 target/loongarch/insn_trans/trans_extra.c.inc diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 100622bfc2..638c2efc51 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -11,3 +11,7 @@ DEF_HELPER_FLAGS_1(bitswap, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_3(asrtle_d, TCG_CALL_NO_WG, void, env, tl, tl) DEF_HELPER_FLAGS_3(asrtgt_d, TCG_CALL_NO_WG, void, env, tl, tl) + +DEF_HELPER_FLAGS_3(crc32, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl) +DEF_HELPER_FLAGS_3(crc32c, TCG_CALL_NO_RWG_SE, tl, tl, tl, tl) +DEF_HELPER_FLAGS_2(cpucfg, TCG_CALL_NO_RWG_SE, tl, env, tl) diff --git a/target/loongarch/insn_trans/trans_extra.c.inc b/target/loongarch/insn_trans/trans_extra.c.inc new file mode 100644 index 0000000000..549f75a867 --- /dev/null +++ b/target/loongarch/insn_trans/trans_extra.c.inc @@ -0,0 +1,68 @@ +/* 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)) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index 8d247aa68c..98774dbddb 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -17,6 +17,7 @@ &i imm &r_i rd imm &rr rd rj +&rr_jk rj rk &rrr rd rj rk &rr_i rd rj imm &hint_r_i hint rj imm @@ -28,6 +29,7 @@ # @i15 .... ........ ..... imm:15 &i @rr .... ........ ..... ..... rj:5 rd:5 &rr +@rr_jk .... ........ ..... rk:5 rj:5 ..... &rr_jk @rrr .... ........ ..... rk:5 rj:5 rd:5 &rrr @r_i20 .... ... imm:s20 rd:5 &r_i @rr_ui5 .... ........ ..... imm:5 rj:5 rd:5 &rr_i @@ -237,3 +239,20 @@ ammax_db_wu 0011 10000111 00000 ..... ..... ..... @rrr ammax_db_du 0011 10000111 00001 ..... ..... ..... @rrr ammin_db_wu 0011 10000111 00010 ..... ..... ..... @rrr ammin_db_du 0011 10000111 00011 ..... ..... ..... @rrr + +# +# Fixed point extra instruction +# +crc_w_b_w 0000 00000010 01000 ..... ..... ..... @rrr +crc_w_h_w 0000 00000010 01001 ..... ..... ..... @rrr +crc_w_w_w 0000 00000010 01010 ..... ..... ..... @rrr +crc_w_d_w 0000 00000010 01011 ..... ..... ..... @rrr +crcc_w_b_w 0000 00000010 01100 ..... ..... ..... @rrr +crcc_w_h_w 0000 00000010 01101 ..... ..... ..... @rrr +crcc_w_w_w 0000 00000010 01110 ..... ..... ..... @rrr +crcc_w_d_w 0000 00000010 01111 ..... ..... ..... @rrr +break 0000 00000010 10100 ............... @i15 +syscall 0000 00000010 10110 ............... @i15 +asrtle_d 0000 00000000 00010 ..... ..... 00000 @rr_jk +asrtgt_d 0000 00000000 00011 ..... ..... 00000 @rr_jk +cpucfg 0000 00000000 00000 11011 ..... ..... @rr diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index bd2db783c9..18e565ce7f 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -13,6 +13,8 @@ #include "exec/exec-all.h" #include "exec/cpu_ldst.h" #include "internals.h" +#include "qemu/crc32c.h" +#include /* Exceptions helpers */ void helper_raise_exception(CPULoongArchState *env, uint32_t exception) @@ -55,3 +57,27 @@ void helper_asrtgt_d(CPULoongArchState *env, target_ulong rj, target_ulong rk) do_raise_exception(env, EXCCODE_ADEM, GETPC()); } } + +target_ulong helper_crc32(target_ulong val, target_ulong m, uint64_t sz) +{ + uint8_t buf[8]; + target_ulong mask = ((sz * 8) == 64) ? -1ULL : ((1ULL << (sz * 8)) - 1); + + m &= mask; + stq_le_p(buf, m); + return (int32_t) (crc32(val ^ 0xffffffff, buf, sz) ^ 0xffffffff); +} + +target_ulong helper_crc32c(target_ulong val, target_ulong m, uint64_t sz) +{ + uint8_t buf[8]; + target_ulong mask = ((sz * 8) == 64) ? -1ULL : ((1ULL << (sz * 8)) - 1); + m &= mask; + stq_le_p(buf, m); + return (int32_t) (crc32c(val, buf, sz) ^ 0xffffffff); +} + +target_ulong helper_cpucfg(CPULoongArchState *env, target_ulong rj) +{ + return rj > 21 ? 0 : env->cpucfg[rj]; +} diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index 7118e6c17d..5baeb74afa 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -155,6 +155,7 @@ static void gen_set_gpr(int reg_num, TCGv t, DisasExtend dst_ext) #include "insn_trans/trans_bit.c.inc" #include "insn_trans/trans_memory.c.inc" #include "insn_trans/trans_atomic.c.inc" +#include "insn_trans/trans_extra.c.inc" static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) {