From patchwork Fri Nov 3 17:38:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 740688 Delivered-To: patch@linaro.org Received: by 2002:a5d:538f:0:b0:32d:baff:b0ca with SMTP id d15csp1515313wrv; Fri, 3 Nov 2023 10:41:00 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEeGB6w0MP0kGHFrFHr6RjwdQHVxTFSwvGLU+CHwymMv3haIG8FKDm85/+IptfqvFeOJaVC X-Received: by 2002:a05:622a:5d4:b0:418:12c6:467f with SMTP id d20-20020a05622a05d400b0041812c6467fmr27227087qtb.3.1699033260444; Fri, 03 Nov 2023 10:41:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1699033260; cv=none; d=google.com; s=arc-20160816; b=aMm2v6zZbqbWbQvkS31NgHk5U4ABCXKv/WTcH2cHHh+XKmbcXCM4eNstHe3JvOsOhm f3AiZaFyF0C9srLnwVzUpTojchR7zVif8xiXe4tAcp7YDYu9Y+p4ZO7oEf83dcfLM3IK mnpyO3fRLNlNmHxESpiAYNLsO+yw6mzgwRyVH9YFqbB4/T4jIzkS52Linl2Mxbr31T3u 43FxcKdyi7uRZFfaXaBRM+H2HylmI8/nZdpvLXJkGZPaJl//2lr+hRtg0+7gr58Xsqk1 a9LEX555YPqi1oD/MW4clF6e5UkwZLCf3qmNLaqGyNsE3SPKAjppsoFEqEy5mqi6duIt tZRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=YzmZAe300YPi4ndhKeOg8/gS+9pjI9UmQBGZdkogpCA=; fh=TYrED6TOMxGX0VC4GtjviASLbYyJe19+7/tKWjN44KQ=; b=KpeBet0P1ZExG+IGMmiscpjhUaTqk0YvO2PtXkOriv5Ga7/qjSgBkVLTHmnF5nSUCm Ab9BsPK9uevkE53gcaG96ozUxcx/lydEBCWE/23ADe3pl7TrAbtrNB//hNgXwtaSpHRA eSq4hjFKVguBNPzlx+ldCKRY3KAoVbU7S617RlYhaCpMplYI0jO3BtBFuHew8bSoCY3S kJT3MbJ3v0gDz0MvYJ7rQAi7w5F6XaXvEk5510eR+Dlir8myAWdYJ/wjd/1VC1bPPvJP Z/V/OJy9eG1cFHqOJO6eQKC/q2Tf9K0+xAAq3mVE5OQm1FqdkD7P66BuDE41NoWVttsc oaAA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=iZov75pb; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id t22-20020a05622a01d600b0041b77745d45si1834788qtw.650.2023.11.03.10.41.00 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 03 Nov 2023 10:41:00 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=iZov75pb; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qyy8w-0005Pc-6S; Fri, 03 Nov 2023 13:39:38 -0400 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 1qyy8P-0005Fb-6a for qemu-devel@nongnu.org; Fri, 03 Nov 2023 13:39:05 -0400 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qyy8I-0003Zc-3R for qemu-devel@nongnu.org; Fri, 03 Nov 2023 13:39:02 -0400 Received: by mail-pl1-x62f.google.com with SMTP id d9443c01a7336-1cc5fa0e4d5so21281345ad.0 for ; Fri, 03 Nov 2023 10:38:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1699033135; x=1699637935; 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=YzmZAe300YPi4ndhKeOg8/gS+9pjI9UmQBGZdkogpCA=; b=iZov75pb1yjORVN+W4lZoHD7osw0gmAfsAL5pom7bS/tbSmDVzKleuGV+EMJ0JPJq0 KPfQBEfsnjsZRo9G+kncgs4jPipiAXyGkVDJwvenkN2lrdfNQMOGwG+k5zkMuEJOmLNJ XyqVF06fYk5s2p9f3b+TcHF2SI8lPxHt2L5EQq+QxiORR6BorWPvFfgOuk1yZQKiFW4W oo1j71JpiEhPoSDlJJTKKHs0kws7PrZSDMPT5XUDveN3RHSnrOUSV7qGkP9XjyEt22UP cznxbri0R2IcotM8L76BlAN4SnPTrWcS3eT/RbNr5tXuIIlAGjYzcCNc9n/GdqLYKPSz JN6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699033135; x=1699637935; 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=YzmZAe300YPi4ndhKeOg8/gS+9pjI9UmQBGZdkogpCA=; b=u3gqB0V4kBU/703nIl9WdKw10ZJbl9kmG1+9gSNpd0BabTk2Br1XaDBpALVb4piPdr 3LnR9s4w9YzoKa/Zu8PJp9o5RJDWjYgDBWDyGILFHxopzMkvp87Af6o83CFNsJLgGy5m 0v5EKuW3pQWPo2aXHRIEKszBJK7vdGS9KUupE7fO7fvQd/jtSkT9+F0CsxDfz6sHbt26 XwRWY/CC593/g5zTmYkBNBzyRiqXdy6a5On6tJW+C8lr/zl21kAmmcLHY/kE1viY5oYi bGmIjoDPkh9whJ+e5fYdXEhsofopzGmi8yyUoJkZcF/4ZxB84aMO38jEurrIavdApF/W P69w== X-Gm-Message-State: AOJu0YwEgLeWVJIUQumUwNPsqtLJNrPWzE3cGyJ4ZP86xkhh/RT0QX1v WZ3iPRMIi6wzic39twXFU4wNA9+b2gjCb4XmIAg= X-Received: by 2002:a17:902:da87:b0:1cc:548d:4252 with SMTP id j7-20020a170902da8700b001cc548d4252mr16775090plx.57.1699033135689; Fri, 03 Nov 2023 10:38:55 -0700 (PDT) Received: from stoup.. ([71.212.149.95]) by smtp.gmail.com with ESMTPSA id c10-20020a170902c1ca00b001c0cb2aa2easm1628267plc.121.2023.11.03.10.38.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Nov 2023 10:38:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk Subject: [PATCH 16/22] target/split: Split ver from env->fsr Date: Fri, 3 Nov 2023 10:38:35 -0700 Message-Id: <20231103173841.33651-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231103173841.33651-1-richard.henderson@linaro.org> References: <20231103173841.33651-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org This field is read-only. It is easier to store it separately and merge it only upon read. While we're at it, use FSR_VER_SHIFT to initialize fpu_version. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/sparc/cpu.h | 3 +++ target/sparc/cpu.c | 27 +++++++++++++-------------- target/sparc/fop_helper.c | 9 +++++++-- 3 files changed, 23 insertions(+), 16 deletions(-) diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 33c7d31fef..8ff222595e 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -191,6 +191,9 @@ enum { #define FSR_NXC (1ULL << 0) #define FSR_CEXC_MASK (FSR_NVC | FSR_OFC | FSR_UFC | FSR_DZC | FSR_NXC) +#define FSR_VER_SHIFT 17 +#define FSR_VER_MASK (7 << FSR_VER_SHIFT) + #define FSR_FTT2 (1ULL << 16) #define FSR_FTT1 (1ULL << 15) #define FSR_FTT0 (1ULL << 14) diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index 69dfa1dd4e..bebfdbf313 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -368,7 +368,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "Fujitsu MB86904", .iu_version = 0x04 << 24, /* Impl 0, ver 4 */ - .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ + .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x00ffffc0, @@ -381,7 +381,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "Fujitsu MB86907", .iu_version = 0x05 << 24, /* Impl 0, ver 5 */ - .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ + .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0xffffffc0, @@ -394,7 +394,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI MicroSparc I", .iu_version = 0x41000000, - .fpu_version = 4 << 17, + .fpu_version = 4 << FSR_VER_SHIFT, .mmu_version = 0x41000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x007ffff0, @@ -407,7 +407,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI MicroSparc II", .iu_version = 0x42000000, - .fpu_version = 4 << 17, + .fpu_version = 4 << FSR_VER_SHIFT, .mmu_version = 0x02000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x00ffffc0, @@ -420,7 +420,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI MicroSparc IIep", .iu_version = 0x42000000, - .fpu_version = 4 << 17, + .fpu_version = 4 << FSR_VER_SHIFT, .mmu_version = 0x04000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x00ffffc0, @@ -433,7 +433,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI SuperSparc 40", /* STP1020NPGA */ .iu_version = 0x41000000, /* SuperSPARC 2.x */ - .fpu_version = 0 << 17, + .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, @@ -446,7 +446,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI SuperSparc 50", /* STP1020PGA */ .iu_version = 0x40000000, /* SuperSPARC 3.x */ - .fpu_version = 0 << 17, + .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, @@ -459,7 +459,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI SuperSparc 51", .iu_version = 0x40000000, /* SuperSPARC 3.x */ - .fpu_version = 0 << 17, + .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, @@ -473,7 +473,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI SuperSparc 60", /* STP1020APGA */ .iu_version = 0x40000000, /* SuperSPARC 3.x */ - .fpu_version = 0 << 17, + .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, @@ -486,7 +486,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI SuperSparc 61", .iu_version = 0x44000000, /* SuperSPARC 3.x */ - .fpu_version = 0 << 17, + .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, @@ -500,7 +500,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "TI SuperSparc II", .iu_version = 0x40000000, /* SuperSPARC II 1.x */ - .fpu_version = 0 << 17, + .fpu_version = 0 << FSR_VER_SHIFT, .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */ .mmu_bm = 0x00002000, .mmu_ctpr_mask = 0xffffffc0, @@ -514,7 +514,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "LEON2", .iu_version = 0xf2000000, - .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ + .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0xf2000000, .mmu_bm = 0x00004000, .mmu_ctpr_mask = 0x007ffff0, @@ -527,7 +527,7 @@ static const sparc_def_t sparc_defs[] = { { .name = "LEON3", .iu_version = 0xf3000000, - .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ + .fpu_version = 4 << FSR_VER_SHIFT, /* FPU version 4 (Meiko) */ .mmu_version = 0xf3000000, .mmu_bm = 0x00000000, .mmu_ctpr_mask = 0xfffffffc, @@ -758,7 +758,6 @@ static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) #endif env->version = env->def.iu_version; - env->fsr = env->def.fpu_version; env->nwindows = env->def.nwindows; #if !defined(TARGET_SPARC64) env->mmuregs[0] |= env->def.mmu_version; diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c index 70b38011d2..22b412adb5 100644 --- a/target/sparc/fop_helper.c +++ b/target/sparc/fop_helper.c @@ -349,7 +349,12 @@ GEN_FCMP(fcmpeq_fcc3, float128, 26, 1); target_ulong cpu_get_fsr(CPUSPARCState *env) { - return env->fsr; + target_ulong fsr = env->fsr; + + /* VER is kept completely separate until re-assembly. */ + fsr |= env->def.fpu_version; + + return fsr; } target_ulong helper_get_fsr(CPUSPARCState *env) @@ -361,7 +366,7 @@ static void set_fsr_nonsplit(CPUSPARCState *env, target_ulong fsr) { int rnd_mode; - env->fsr = fsr; + env->fsr = fsr & ~FSR_VER_MASK; switch (fsr & FSR_RD_MASK) { case FSR_RD_NEAREST: