From patchwork Wed May 18 01:53:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 12853067 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 A0518C433EF for ; Wed, 18 May 2022 01:55:01 +0000 (UTC) Received: from localhost ([::1]:38266 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nr8tw-0002Dc-DW for qemu-devel@archiver.kernel.org; Tue, 17 May 2022 21:55:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45636) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nr8t4-0001RY-I2; Tue, 17 May 2022 21:54:06 -0400 Received: from smtp84.cstnet.cn ([159.226.251.84]:58152 helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nr8t1-0002iF-3v; Tue, 17 May 2022 21:54:05 -0400 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-05 (Coremail) with SMTP id zQCowADn7X2qUYRio+5hCA--.34671S2; Wed, 18 May 2022 09:53:48 +0800 (CST) From: Weiwei Li To: palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: wangjunqiang@iscas.ac.cn, lazyparser@gmail.com, Weiwei Li Subject: [PATCH] target/riscv: add support for zmmul extension v0.1 Date: Wed, 18 May 2022 09:53:16 +0800 Message-Id: <20220518015316.20504-1-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: zQCowADn7X2qUYRio+5hCA--.34671S2 X-Coremail-Antispam: 1UD129KBjvJXoWxAF48GF4UWr48Kw4rWw4xXrb_yoWrXF15pr W8Wry7JF4jyFyfAayfJrs0qF1xJanagw47t39avws5GF4fGrZ8XF1DK3yakr15JFWkZr13 A3WUAF9xX3y0qa7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkY14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxV W8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xf McIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7 v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxAIw28IcxkI 7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxV Cjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY 6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6x AIw20EY4v20xvaj40_Wr1j6rW3Jr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280 aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbXdbUUUUUU== X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.84; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" - includes all multiplication operations for M extension Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang --- target/riscv/cpu.c | 2 ++ target/riscv/cpu.h | 1 + target/riscv/insn_trans/trans_rvm.c.inc | 18 ++++++++++++------ 3 files changed, 15 insertions(+), 6 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index e373c61ba2..01b57d3784 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -903,6 +903,7 @@ static Property riscv_cpu_properties[] = { /* These are experimental so mark with 'x-' */ DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false), + DEFINE_PROP_BOOL("x-zmmul", RISCVCPU, cfg.ext_zmmul, false), /* ePMP 0.9.3 */ DEFINE_PROP_BOOL("x-epmp", RISCVCPU, cfg.epmp, false), DEFINE_PROP_BOOL("x-aia", RISCVCPU, cfg.aia, false), @@ -1027,6 +1028,7 @@ static void riscv_isa_string_ext(RISCVCPU *cpu, char **isa_str, int max_str_len) * extensions by an underscore. */ struct isa_ext_data isa_edata_arr[] = { + ISA_EDATA_ENTRY(zmmul, ext_zmmul), ISA_EDATA_ENTRY(zfh, ext_zfh), ISA_EDATA_ENTRY(zfhmin, ext_zfhmin), ISA_EDATA_ENTRY(zfinx, ext_zfinx), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index f5ff7294c6..68177eae12 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -405,6 +405,7 @@ struct RISCVCPUConfig { bool ext_zhinxmin; bool ext_zve32f; bool ext_zve64f; + bool ext_zmmul; uint32_t mvendorid; uint64_t marchid; diff --git a/target/riscv/insn_trans/trans_rvm.c.inc b/target/riscv/insn_trans/trans_rvm.c.inc index 16b029edf0..ec7f705aab 100644 --- a/target/riscv/insn_trans/trans_rvm.c.inc +++ b/target/riscv/insn_trans/trans_rvm.c.inc @@ -18,6 +18,12 @@ * this program. If not, see . */ +#define REQUIRE_M_OR_ZMMUL(ctx) do { \ + if (!ctx->cfg_ptr->ext_zmmul && !has_ext(ctx, RVM)) { \ + return false; \ + } \ +} while (0) + static void gen_mulhu_i128(TCGv r2, TCGv r3, TCGv al, TCGv ah, TCGv bl, TCGv bh) { TCGv tmpl = tcg_temp_new(); @@ -65,7 +71,7 @@ static void gen_mul_i128(TCGv rl, TCGv rh, static bool trans_mul(DisasContext *ctx, arg_mul *a) { - REQUIRE_EXT(ctx, RVM); + REQUIRE_M_OR_ZMMUL(ctx); return gen_arith(ctx, a, EXT_NONE, tcg_gen_mul_tl, gen_mul_i128); } @@ -109,7 +115,7 @@ static void gen_mulh_w(TCGv ret, TCGv s1, TCGv s2) static bool trans_mulh(DisasContext *ctx, arg_mulh *a) { - REQUIRE_EXT(ctx, RVM); + REQUIRE_M_OR_ZMMUL(ctx); return gen_arith_per_ol(ctx, a, EXT_SIGN, gen_mulh, gen_mulh_w, gen_mulh_i128); } @@ -161,7 +167,7 @@ static void gen_mulhsu_w(TCGv ret, TCGv arg1, TCGv arg2) static bool trans_mulhsu(DisasContext *ctx, arg_mulhsu *a) { - REQUIRE_EXT(ctx, RVM); + REQUIRE_M_OR_ZMMUL(ctx); return gen_arith_per_ol(ctx, a, EXT_NONE, gen_mulhsu, gen_mulhsu_w, gen_mulhsu_i128); } @@ -176,7 +182,7 @@ static void gen_mulhu(TCGv ret, TCGv s1, TCGv s2) static bool trans_mulhu(DisasContext *ctx, arg_mulhu *a) { - REQUIRE_EXT(ctx, RVM); + REQUIRE_M_OR_ZMMUL(ctx); /* gen_mulh_w works for either sign as input. */ return gen_arith_per_ol(ctx, a, EXT_ZERO, gen_mulhu, gen_mulh_w, gen_mulhu_i128); @@ -349,7 +355,7 @@ static bool trans_remu(DisasContext *ctx, arg_remu *a) static bool trans_mulw(DisasContext *ctx, arg_mulw *a) { REQUIRE_64_OR_128BIT(ctx); - REQUIRE_EXT(ctx, RVM); + REQUIRE_M_OR_ZMMUL(ctx); ctx->ol = MXL_RV32; return gen_arith(ctx, a, EXT_NONE, tcg_gen_mul_tl, NULL); } @@ -389,7 +395,7 @@ static bool trans_remuw(DisasContext *ctx, arg_remuw *a) static bool trans_muld(DisasContext *ctx, arg_muld *a) { REQUIRE_128BIT(ctx); - REQUIRE_EXT(ctx, RVM); + REQUIRE_M_OR_ZMMUL(ctx); ctx->ol = MXL_RV64; return gen_arith(ctx, a, EXT_SIGN, tcg_gen_mul_tl, NULL); }