From patchwork Fri Jan 5 10:24:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Cl=C3=A9ment_Chigot?= X-Patchwork-Id: 13511927 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 022D5C47258 for ; Fri, 5 Jan 2024 10:26:26 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rLhNe-0007ld-BA; Fri, 05 Jan 2024 05:24:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rLhNd-0007lI-8j for qemu-devel@nongnu.org; Fri, 05 Jan 2024 05:24:45 -0500 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rLhNb-0004Lw-LF for qemu-devel@nongnu.org; Fri, 05 Jan 2024 05:24:45 -0500 Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-40d894764e7so14739245e9.1 for ; Fri, 05 Jan 2024 02:24:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=adacore.com; s=google; t=1704450281; x=1705055081; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BUJ6l0OkyKg584UzrfGAsqs56Rbvr/1CMcQmKL/iGrw=; b=DRVZfQ4snrT8pzOduqa4/68XX7AQCEVkDtWlNTsFibq6O0VL47vSBErDJpGadnol6R BLTEEHcd4w9aTY6pd3ozRzshqIbgRDfTcy1nZzNA9CLEmtMCywXREtDMdxcY4iyd3kso dHwUm1VoaAjUT/nat/k2h8JPJwnJQPPzoSF8Yn5nJDjbAaVEB/qQ5LXRH/hUtsQoMMYb s7RdxBCi7X4xZU0YrzgpzrRbj0Uu7OzvDmFVYN/Pia1Bo6xwBuhH/RZ+jRi0H4tCZZOf LyAyCuHPZu9POBP5KcpVisAI3tIZXOXogEh0JBzPiZ2Jq1FAMZzCY6/3ZuaexMNOleFv WGbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704450281; x=1705055081; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BUJ6l0OkyKg584UzrfGAsqs56Rbvr/1CMcQmKL/iGrw=; b=dybQQrm/1bXpbmzP8qas7KVjrZYmyXQ+Ytm0aps1dGit8+r3+h8L63XutDpcuA+LwY uu6HsipxCeBMiJIqE6OtJ8zD4rXgYBZivzYz0pScB4fRSMHZyuwlD4fjhcS67JhFcB2v jRsOdb/3Qt54xj5g2kbrp/8JBT/D8tdZ204s4EjQupq71Kji/1UUh7vz91f69HFTKauA PhPrhiRr1f30f6e2oMAbhpwqcUZaZFulyTxvkx1qY66kfCJWajVacuEba/0UauLLzALH VGwVNoMoREeqSphSX9Xh41I4tPT1DGrwHkQRv3pF3hCdrcIXY5w8YHYHVr+5YynBt7Mr 4D+g== X-Gm-Message-State: AOJu0Ywd4UxOOeAaS8VJoj/YGxyMK4pDHvt8i60GjsujYjvODVGxvylL c/R2VGoxmL1gnCRMjn4Zt9elYGkNt7YZNLVoYsH0s1XZyQ== X-Google-Smtp-Source: AGHT+IE/hVblsS/6QiS0GUM5yeRUP4aspV3fLTmaYo+CfWYszB+mQbh+rc3oVI6vWZJsau1FejRbXA== X-Received: by 2002:a05:600c:2d8c:b0:40c:4b4e:95a6 with SMTP id i12-20020a05600c2d8c00b0040c4b4e95a6mr653703wmg.94.1704450281563; Fri, 05 Jan 2024 02:24:41 -0800 (PST) Received: from chigot-Dell.home ([2a01:cb15:8123:8100:323e:281a:689:2b09]) by smtp.gmail.com with ESMTPSA id v8-20020a05600c444800b0040d934f48d3sm1117548wmn.32.2024.01.05.02.24.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jan 2024 02:24:40 -0800 (PST) From: =?utf-8?q?Cl=C3=A9ment_Chigot?= To: qemu-devel@nongnu.org Cc: =?utf-8?q?Cl=C3=A9ment_Chigot?= , Frederic Konrad Subject: [PATCH 5/9] target/sparc: implement asr17 feature for smp Date: Fri, 5 Jan 2024 11:24:17 +0100 Message-Id: <20240105102421.163554-6-chigot@adacore.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240105102421.163554-1-chigot@adacore.com> References: <20240105102421.163554-1-chigot@adacore.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=chigot@adacore.com; helo=mail-wm1-x335.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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-bounces+qemu-devel=archiver.kernel.org@nongnu.org This allows the guest program to know its cpu id. Co-developed-by: Frederic Konrad Signed-off-by: Clément Chigot Reviewed-by: Richard Henderson --- target/sparc/helper.c | 16 ++++++++++++++++ target/sparc/helper.h | 1 + target/sparc/translate.c | 13 +++---------- 3 files changed, 20 insertions(+), 10 deletions(-) diff --git a/target/sparc/helper.c b/target/sparc/helper.c index bd10b60e4b..2247e243b5 100644 --- a/target/sparc/helper.c +++ b/target/sparc/helper.c @@ -212,4 +212,20 @@ void helper_power_down(CPUSPARCState *env) env->npc = env->pc + 4; cpu_loop_exit(cs); } + +target_ulong helper_rdasr17(CPUSPARCState *env) +{ + CPUState *cs = env_cpu(env); + target_ulong val; + + /* + * TODO: There are many more fields to be filled, + * some of which are writable. + */ + val = env->def.nwindows - 1; /* [4:0] NWIN */ + val |= 1 << 8; /* [8] V8 */ + val |= (cs->cpu_index) << 28; /* [31:28] INDEX */ + + return val; +} #endif diff --git a/target/sparc/helper.h b/target/sparc/helper.h index 55eff66283..fc818b8678 100644 --- a/target/sparc/helper.h +++ b/target/sparc/helper.h @@ -2,6 +2,7 @@ DEF_HELPER_1(rett, void, env) DEF_HELPER_2(wrpsr, void, env, tl) DEF_HELPER_1(rdpsr, tl, env) +DEF_HELPER_1(rdasr17, tl, env) DEF_HELPER_1(power_down, void, env) #else DEF_HELPER_FLAGS_2(wrpil, TCG_CALL_NO_RWG, void, env, tl) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 9387299559..1cabda9565 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -37,6 +37,7 @@ #ifdef TARGET_SPARC64 # define gen_helper_rdpsr(D, E) qemu_build_not_reached() +# define gen_helper_rdasr17(D, E) qemu_build_not_reached() # define gen_helper_rett(E) qemu_build_not_reached() # define gen_helper_power_down(E) qemu_build_not_reached() # define gen_helper_wrpsr(E, S) qemu_build_not_reached() @@ -2681,16 +2682,8 @@ static bool trans_RDY(DisasContext *dc, arg_RDY *a) static TCGv do_rd_leon3_config(DisasContext *dc, TCGv dst) { - uint32_t val; - - /* - * TODO: There are many more fields to be filled, - * some of which are writable. - */ - val = dc->def->nwindows - 1; /* [4:0] NWIN */ - val |= 1 << 8; /* [8] V8 */ - - return tcg_constant_tl(val); + gen_helper_rdasr17(dst, tcg_env); + return dst; } TRANS(RDASR17, ASR17, do_rd_special, true, a->rd, do_rd_leon3_config)