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([144.6.121.55]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7720274534esm1419241b3a.47.2025.08.26.18.06.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Aug 2025 18:06:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756256793; x=1756861593; 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=/RnAyLOnPglCnqn9KStFraeKQldJjFkimEavUTsc0Rg=; b=oUK/FaA3poOrvXVIZEmN/ymGkOo04rqTt1ChlVcPnBVUrg1nQzyxhtu2Wolav7BzjT ftf9oiT5YxWV5B5rtcBgVab1W+IFIL2IB7VXGMCRE/54BbfoVTxQIiiLTFQBjSlgOL79 SOVWnaZy1k2emgN9wXkYZD9/zfDnE0KRQaeZxUhLFV434zTkYr7LviMvF23RDx5fzz40 zpp/eAXnKMQyfqpi4bD1LfzDqiB8zEed37D5COMVonWGk8T8XbiO617c+0x+8Zr3mNqE +f4PvnbaoDAjSxEPRJOxH2ABRqw/ZrB1sUPsfvuvaNhoTu7BUWoFXUgyl2vc6qfLv/51 w1Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756256793; x=1756861593; 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=/RnAyLOnPglCnqn9KStFraeKQldJjFkimEavUTsc0Rg=; b=u348VW7A8qHWLntO72w1iaPhnqku0FAtE64chrV+kY6p/ggBf51MellXJOFgSQ6c3X Db1CxBt3ZQIWkHrEdBOGvU3MnRNX+hPWEZrGcqZbs6WrBSkY+chWqZJPD7HufRXlcits libDTDWu4VOOePE4lhZUGLXqOPM0Jt1jJ2g/Z6+q+ZqUdyeAruDyHN54z7mKjaWucP6o Ypnjhk+shBZNYe5XwOmmfl1HVRnvCIXj0H4myAbxLk78Lpy4NJydurL+1luOaAh/h6sc vzuj2KyEaYSt6g/9fdhtWRRAHwxhMaNkGildNslIvVKhQuGmlv+U/pxc1aKZuuZWuK8r P+Yg== X-Gm-Message-State: AOJu0YyHvdHtVLkY66rhTkRiPdT9hXvSWnyjFXLo1F1cUvc5iRLq4enf ysZILVgFphK/oVBr6h+S9XsFi2METL+AA+ZMG2fgcQD1qmmH/hCn/mjIpc2i85NWVZuQyhdNEys zhQlWQZ8= X-Gm-Gg: ASbGncuzChS7HktjoXkd8mwOt6KPPVcb9t6fjyHCdokwACigstSXTxpq7fTgiv9fyT5 JDfg5PgSk7jTYYSuzX1WzquE60OznUiycajORbmVO+gpt2S64RmKE8LbJMH6x5RzzZ56oq4IefR gQj4REoqA/S8ZriLBCPS2Q4O5o1B78QFtt0vz/uz+AVAdSJbrB9RSgTNZ3fQ0B7hdqBoQ1UucPN t9jKLaxt10F3xAlCx+R0NOuuT/uLJklHWBC/+tzp1dcqbsND04TRbiJr9a+npOb+mjBQfnWg1UP 7RGzzSgd7AVbocNSUIyfjmppmwtB2btkLLUoDgknKXvn4c7LrINwlMgFQfNAUo2dlMfoNed/SGL XKUx/fbJMB2mEuvss7ne1Pi2uwAOYooAeG3hdOcnExzVOVcU= X-Google-Smtp-Source: AGHT+IEonCEhDn1WNyPkAF8XfoD5+G5TmC+jJSbA71yTPy/HsO2IALLhCVO2/GDzqWP3AuXHgZ6pIg== X-Received: by 2002:a05:6a00:3e27:b0:770:4d54:6234 with SMTP id d2e1a72fcca58-7704d546526mr14810896b3a.3.1756256793541; Tue, 26 Aug 2025 18:06:33 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 17/61] target/arm: Convert init_cpreg_list to g_hash_table_foreach Date: Wed, 27 Aug 2025 11:04:08 +1000 Message-ID: <20250827010453.4059782-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250827010453.4059782-1-richard.henderson@linaro.org> References: <20250827010453.4059782-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.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 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756257628802116600 Content-Type: text/plain; charset="utf-8" Adjust count_cpreg and add_cpreg_to_list to be used with g_hash_table_foreach instead of g_list_foreach. In this way we have the ARMCPRegInfo pointer directly rather than having to look it up from the key. Delay the sorting of the cpreg_indexes until after add_cpreg_to_list. This allows us to sort the data that we actually care about, the kvm id, as computed within add_cpreg_to_list, instead of having to repeatedly compute the kvm id within cpreg_key_compare. Signed-off-by: Richard Henderson --- target/arm/helper.c | 54 ++++++++++++++++++--------------------------- 1 file changed, 21 insertions(+), 33 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index c4103d958a..268cad905f 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -229,11 +229,11 @@ bool write_list_to_cpustate(ARMCPU *cpu) return ok; } =20 -static void add_cpreg_to_list(gpointer key, gpointer opaque) +static void add_cpreg_to_list(gpointer key, gpointer value, gpointer opaqu= e) { ARMCPU *cpu =3D opaque; uint32_t regidx =3D (uintptr_t)key; - const ARMCPRegInfo *ri =3D get_arm_cp_reginfo(cpu->cp_regs, regidx); + const ARMCPRegInfo *ri =3D value; =20 if (!(ri->type & (ARM_CP_NO_RAW | ARM_CP_ALIAS))) { cpu->cpreg_indexes[cpu->cpreg_array_len] =3D cpreg_to_kvm_id(regid= x); @@ -242,61 +242,49 @@ static void add_cpreg_to_list(gpointer key, gpointer = opaque) } } =20 -static void count_cpreg(gpointer key, gpointer opaque) +static void count_cpreg(gpointer key, gpointer value, gpointer opaque) { ARMCPU *cpu =3D opaque; - const ARMCPRegInfo *ri; - - ri =3D g_hash_table_lookup(cpu->cp_regs, key); + const ARMCPRegInfo *ri =3D value; =20 if (!(ri->type & (ARM_CP_NO_RAW | ARM_CP_ALIAS))) { cpu->cpreg_array_len++; } } =20 -static gint cpreg_key_compare(gconstpointer a, gconstpointer b, gpointer d) -{ - uint64_t aidx =3D cpreg_to_kvm_id((uintptr_t)a); - uint64_t bidx =3D cpreg_to_kvm_id((uintptr_t)b); - - if (aidx > bidx) { - return 1; - } - if (aidx < bidx) { - return -1; - } - return 0; -} - void init_cpreg_list(ARMCPU *cpu) { /* * Initialise the cpreg_tuples[] array based on the cp_regs hash. * Note that we require cpreg_tuples[] to be sorted by key ID. */ - GList *keys; int arraylen; =20 - keys =3D g_hash_table_get_keys(cpu->cp_regs); - keys =3D g_list_sort_with_data(keys, cpreg_key_compare, NULL); - cpu->cpreg_array_len =3D 0; - - g_list_foreach(keys, count_cpreg, cpu); + g_hash_table_foreach(cpu->cp_regs, count_cpreg, cpu); =20 arraylen =3D cpu->cpreg_array_len; - cpu->cpreg_indexes =3D g_new(uint64_t, arraylen); - cpu->cpreg_values =3D g_new(uint64_t, arraylen); - cpu->cpreg_vmstate_indexes =3D g_new(uint64_t, arraylen); - cpu->cpreg_vmstate_values =3D g_new(uint64_t, arraylen); - cpu->cpreg_vmstate_array_len =3D cpu->cpreg_array_len; + if (arraylen) { + cpu->cpreg_indexes =3D g_new(uint64_t, arraylen); + cpu->cpreg_values =3D g_new(uint64_t, arraylen); + cpu->cpreg_vmstate_indexes =3D g_new(uint64_t, arraylen); + cpu->cpreg_vmstate_values =3D g_new(uint64_t, arraylen); + } else { + cpu->cpreg_indexes =3D NULL; + cpu->cpreg_values =3D NULL; + cpu->cpreg_vmstate_indexes =3D NULL; + cpu->cpreg_vmstate_values =3D NULL; + } + cpu->cpreg_vmstate_array_len =3D arraylen; cpu->cpreg_array_len =3D 0; =20 - g_list_foreach(keys, add_cpreg_to_list, cpu); + g_hash_table_foreach(cpu->cp_regs, add_cpreg_to_list, cpu); =20 assert(cpu->cpreg_array_len =3D=3D arraylen); =20 - g_list_free(keys); + if (arraylen) { + qsort(cpu->cpreg_indexes, arraylen, sizeof(uint64_t), compare_u64); + } } =20 bool arm_pan_enabled(CPUARMState *env) --=20 2.43.0