From patchwork Fri Dec 22 12:22:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Henrique Barboza X-Patchwork-Id: 13503282 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 78CFAC41535 for ; Fri, 22 Dec 2023 12:24:28 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rGeYY-0001c1-Q6; Fri, 22 Dec 2023 07:23:10 -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 1rGeYX-0001ba-NU for qemu-devel@nongnu.org; Fri, 22 Dec 2023 07:23:09 -0500 Received: from mail-pf1-x429.google.com ([2607:f8b0:4864:20::429]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rGeYR-0006Ab-K6 for qemu-devel@nongnu.org; Fri, 22 Dec 2023 07:23:08 -0500 Received: by mail-pf1-x429.google.com with SMTP id d2e1a72fcca58-6d5c4cb8a4cso872617b3a.3 for ; Fri, 22 Dec 2023 04:23:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1703247782; x=1703852582; 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=iBtZzwTDCozyPVnBzjjyGBTf1NOZQJ7F92X7kXXP8w4=; b=J2Mfh0ozpzYdgWALbwt8jUsDtbgpMyjzHkd+xbtwCeKR85UjoK2HC2Q63psE71Ef3o kKOwt32eo7ybEw3fcM0Nh4W9Ug/LMHPYWAl5Ij2JkeT3m1WXsj7UY8nOIS+7TpBCzdUl jYrnxF8oe/fnRtKwJYnkIKLZT4FfCE7G97nf3G6sM2rmqEDVx5YGQzaskNOSkRxNjRDC T0+bYeuc5wIzsITPEYcDuxk6lEKw4MnJr9MsAeJoV9xVRvVvby7BXd54Uuvk5EJmrgq7 yBOPM74GHQbbOv0mkPu+sekgPLDzF1xu19530nayWTXbykw8umbM/EKmEixnyr1F9KOU VGbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703247782; x=1703852582; 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=iBtZzwTDCozyPVnBzjjyGBTf1NOZQJ7F92X7kXXP8w4=; b=wtBVzyUm82qQ4L89iXGZABZzUQiZapxDcBjFvtt7qaashCP8WmN3g0qs/vv7EOdL16 8OLSU6D7x+VxjFmy48GcllygOMvFIS+CUhHkpdTWL+q9QswP18MvDYD6G5kLMFWTFEq/ AmruWfL8yd3QkFKU35Gglre9nJAApRv/PdzM6/OfooioHMEf6JRiR54KeSesOFHyA9l7 a1R252nvMW6AoRqSYPh6xsEn8CmV6l3BeoWzXLf2qvnSacqiBRoMHWGlbHkIm/nG2SV7 nrHQf4HoDcD8kkkZ+11/tJ2rtpnIvVewxbFaWAPBzKHIPPP7sVq92iCNDhjogn8gluOZ kBBw== X-Gm-Message-State: AOJu0YwiMltWuFCcHyS/Y9Nx1CTSMfAL/itAguffw5mpvOYu+NDavG8D q/7IXK5PL3ifrknlLr6lTWOo5b0Egvt3BCouAabHGTIlQP//lg== X-Google-Smtp-Source: AGHT+IHu5rcO9FXWC3M7p3HrPaPGBpZp2+FhSU88J8KmWm9sQDOAGieTifsoDIVq0jEtU2kNaKGPNA== X-Received: by 2002:a05:6a00:4b14:b0:6d9:366a:7836 with SMTP id kq20-20020a056a004b1400b006d9366a7836mr852937pfb.56.1703247781930; Fri, 22 Dec 2023 04:23:01 -0800 (PST) Received: from grind.dc1.ventanamicro.com (201-69-66-51.dial-up.telesp.net.br. [201.69.66.51]) by smtp.gmail.com with ESMTPSA id g14-20020aa7874e000000b006ce7ad8c14esm3274901pfo.164.2023.12.22.04.22.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 04:23:01 -0800 (PST) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, ajones@ventanamicro.com, Daniel Henrique Barboza Subject: [PATCH v2 07/16] target/riscv: rework 'vext_spec' Date: Fri, 22 Dec 2023 09:22:26 -0300 Message-ID: <20231222122235.545235-8-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231222122235.545235-1-dbarboza@ventanamicro.com> References: <20231222122235.545235-1-dbarboza@ventanamicro.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::429; envelope-from=dbarboza@ventanamicro.com; helo=mail-pf1-x429.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 The same rework did in 'priv_spec' is done for 'vext_spec'. This time is simpler, since we only accept one value ("v1.0") and we'll always have env->vext_ver set to VEXT_VERSION_1_00_0, thus we don't need helpers to convert string to 'vext_ver' back and forth like we needed for 'priv_spec'. Signed-off-by: Daniel Henrique Barboza --- target/riscv/cpu.c | 42 ++++++++++++++++++++++++++++++++++---- target/riscv/cpu.h | 1 + target/riscv/cpu_cfg.h | 1 - target/riscv/tcg/tcg-cpu.c | 15 -------------- 4 files changed, 39 insertions(+), 20 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 1302d32de3..d6625399a7 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1237,6 +1237,8 @@ static void riscv_cpu_post_init(Object *obj) static void riscv_cpu_init(Object *obj) { + RISCVCPU *cpu = RISCV_CPU(obj); + #ifndef CONFIG_USER_ONLY qdev_init_gpio_in(DEVICE(obj), riscv_cpu_set_irq, IRQ_LOCAL_MAX + IRQ_LOCAL_GUEST_MAX); @@ -1249,8 +1251,11 @@ static void riscv_cpu_init(Object *obj) * for all CPUs. Each accelerator will decide what to do when * users disable them. */ - RISCV_CPU(obj)->cfg.ext_zicntr = true; - RISCV_CPU(obj)->cfg.ext_zihpm = true; + cpu->cfg.ext_zicntr = true; + cpu->cfg.ext_zihpm = true; + + /* vext_spec is always 1_00_0 */ + cpu->env.vext_ver = VEXT_VERSION_1_00_0; } typedef struct misa_ext_info { @@ -1629,9 +1634,37 @@ static const PropertyInfo prop_priv_spec = { .set = prop_priv_spec_set, }; -Property riscv_cpu_options[] = { - DEFINE_PROP_STRING("vext_spec", RISCVCPU, cfg.vext_spec), +static void prop_vext_spec_set(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + RISCVCPU *cpu = RISCV_CPU(obj); + g_autofree char *value = NULL; + + visit_type_str(v, name, &value, errp); + + if (!g_strcmp0(value, VEXT_VER_1_00_0_STR)) { + error_setg(errp, "Unsupported vector spec version '%s'", value); + return; + } + + cpu->env.vext_ver = VEXT_VERSION_1_00_0; +} + +static void prop_vext_spec_get(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + const char *value = VEXT_VER_1_00_0_STR; + visit_type_str(v, name, (char **)&value, errp); +} + +static const PropertyInfo prop_vext_spec = { + .name = "vext_spec", + .get = prop_vext_spec_get, + .set = prop_vext_spec_set, +}; + +Property riscv_cpu_options[] = { DEFINE_PROP_UINT16("vlen", RISCVCPU, cfg.vlen, 128), DEFINE_PROP_UINT16("elen", RISCVCPU, cfg.elen, 64), @@ -1652,6 +1685,7 @@ static Property riscv_cpu_properties[] = { {.name = "pmp", .info = &prop_pmp}, {.name = "priv_spec", .info = &prop_priv_spec}, + {.name = "vext_spec", .info = &prop_vext_spec}, #ifndef CONFIG_USER_ONLY DEFINE_PROP_UINT64("resetvec", RISCVCPU, env.resetvec, DEFAULT_RSTVEC), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index e8a691ca63..53101b82c5 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -89,6 +89,7 @@ enum { }; #define VEXT_VERSION_1_00_0 0x00010000 +#define VEXT_VER_1_00_0_STR "v1.0" enum { TRANSLATE_SUCCESS, diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index 2dba1f0007..7112af6c4c 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -135,7 +135,6 @@ struct RISCVCPUConfig { bool ext_XVentanaCondOps; uint32_t pmu_mask; - char *vext_spec; uint16_t vlen; uint16_t elen; uint16_t cbom_blocksize; diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 4d67b72d9e..6501c29d8e 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -201,21 +201,6 @@ static void riscv_cpu_validate_v(CPURISCVState *env, RISCVCPUConfig *cfg, "in the range [8, 64]"); return; } - - if (cfg->vext_spec) { - if (!g_strcmp0(cfg->vext_spec, "v1.0")) { - env->vext_ver = VEXT_VERSION_1_00_0; - } else { - error_setg(errp, "Unsupported vector spec version '%s'", - cfg->vext_spec); - return; - } - } else if (env->vext_ver == 0) { - qemu_log("vector version is not specified, " - "use the default value v1.0\n"); - - env->vext_ver = VEXT_VERSION_1_00_0; - } } static void riscv_cpu_disable_priv_spec_isa_exts(RISCVCPU *cpu)