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[83.57.172.194]) by smtp.gmail.com with ESMTPSA id r1sm90034783wrl.95.2021.01.03.12.51.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Jan 2021 12:52:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ONmR7DvST/KHwvIMlpQESaWh+hvboxmRkL03nu+T/uM=; b=HEzjlMV5Y+TSG3Oz+s7DHMSoie7zxoE+rmiD6vVzX8Sjr/g2KwEUVjmXFLtt3JWG5Y H/HCUC7sRl7fkS05Rpt/aYf5sWridbt/Y3Ddqfln5eYvVTLYDfh2jGAi5LwH2nt53thq 6LfSkwIKUC5Ze1sSQ63zY9+9+fXlBwlX2l/123ad1Vy9mWW1xdnHR6CG2o0AIoAxVHNN r44p7HuA+UQnIEw1qtwhjeIFziqoko/2w8S9cDXQAhOvqLgTiUHtbvRDLMZx4DckrQYF LqPL/ljscRyBcibzVx20bGEkDLj4GQ82RPJU6kWZj6Ad7y9dhn4/7KEQ0ksGf9/ri7Hn gAIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=ONmR7DvST/KHwvIMlpQESaWh+hvboxmRkL03nu+T/uM=; b=nLDZdA8PUpC67m5DKtDOlH1RjFsRs6GdV87waIiOV4D+FsJsFH4Mwcw0z+3CqKRTyA qpj3Oagxr/IQox9lgFGC4MgMgJsdup6iiGrHlJ4RbjYy3dE7e+22Tfevc4iUmjwp/Vfi U5zdi6cvWDyz2CNozQI5Bxs9udUMNkTMRWb/poLbb4lqTCegHL4GJviXxMoaC0mdtgE6 RIZIfM4RsHe9GBWUl12nJ8zhYRg5EXeOwoWIbyloEDdxVYZKDE3GYifON7peosadQIrE eoLe07iCrh+RqUxRlSR2gpeez2aGTKoJXjM/L6aji9ZQVJi/UtXhdvfLu7pvCMujFFYi VwQQ== X-Gm-Message-State: AOAM530YsbTokE25KHauVNp6tpNj5VLQxPr7gkzm2zbeSYYuDYfPLCQE YV/VdZIA3ZLOvL2T5gJiBS4= X-Google-Smtp-Source: ABdhPJxASIbbNb4+M6YMd98+8a7g00xjJoE0JcK5zEjgPr7OMHygC+mFDfTHHgJSVmi5Ry8f/ZLIPA== X-Received: by 2002:a1c:9949:: with SMTP id b70mr23702785wme.72.1609707120644; Sun, 03 Jan 2021 12:52:00 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Aurelien Jarno , Huacai Chen , Jiaxun Yang , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , Luc Michel Subject: [PULL 20/35] target/mips: Don't use clock_get_ns() in clock period calculation Date: Sun, 3 Jan 2021 21:50:06 +0100 Message-Id: <20210103205021.2837760-21-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210103205021.2837760-1-f4bug@amsat.org> References: <20210103205021.2837760-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) From: Peter Maydell Currently the MIPS code uses the old clock_get_ns() API to calculate a time length in nanoseconds: cpu->cp0_count_rate * clock_get_ns(MIPS_CPU(cpu)->clock) This relies on the clock having a period which is an exact number of nanoseconds. Switch to the new clock_ticks_to_ns() function, which does the multiplication internally at a higher precision. Signed-off-by: Peter Maydell Tested-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Reviewed-by: Luc Michel Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20201215150929.30311-3-peter.maydell@linaro.org> Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/mips/cpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/mips/cpu.c b/target/mips/cpu.c index b2cd69ff7f9..2283214c879 100644 --- a/target/mips/cpu.c +++ b/target/mips/cpu.c @@ -380,8 +380,8 @@ static void mips_cp0_period_set(MIPSCPU *cpu) { CPUMIPSState *env =3D &cpu->env; =20 - env->cp0_count_ns =3D cpu->cp0_count_rate - * clock_get_ns(MIPS_CPU(cpu)->clock); + env->cp0_count_ns =3D clock_ticks_to_ns(MIPS_CPU(cpu)->clock, + cpu->cp0_count_rate); assert(env->cp0_count_ns); } =20 --=20 2.26.2