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[83.59.162.106]) by smtp.gmail.com with ESMTPSA id y14sm21695105wma.48.2020.10.12.02.59.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2020 02:59:32 -0700 (PDT) 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=aGuMhEybmPvVnTdSYOtH7MX85+5QscNdHJrgVgiAwF4=; b=rDtx6M+NBWpWawh/Tru88CRfgfT9rdLKSyT+mr6cioarHtaZwcLGY3pvl1lF219/2d AvksOE5LOOVifLfHiO5blAIYwvIFS3tTh8DLfBXHmLxTNc5ZuGSVruLdVjypdjDWqSWT MdDJsQCeEGqcPhTw6SMoSfKG0R7FTYhjlkd+nFlp9u6XCRi7hpZFzRtYlhU2RuIzhwLp e+vABOu0SQonzlitjVzLxSZw7RajB9BgNZKm92QDwJojLSE41jup1pAaZhD8A/puXWch 9bd1OIY6t0+jgB4UCbL/DLNt6SAJ34enc3x3xcLCX6CVGGG2mEFPnezDKdHCzc0fC8rX 2BlQ== 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=aGuMhEybmPvVnTdSYOtH7MX85+5QscNdHJrgVgiAwF4=; b=dI1i8JkNrN2uEDVu46IRM8zrBW3vzncXXJyACCLfctx1FIiaew8UYuRW3YUBPXGf6a AkSTe8/ouZp4uuQ4SGZawnRzGpQviphpF1Om7+9GEmtIosJauaawATWUu6iHOm/tmPEB v9zKcI5/ahdxl5YROf+nnSk4mnC1vFfNl7gS+sIEm/IV1ZmdV3E1WNVHy7BtevxbLZAf L7dhIt243cbdS/jXqfhbQVzNCfR/2JcLyMiKKCAVQ703fFGbTTBsjUSfKavpPu1kDxTJ C37M5dc4a1IxxWQHcJ0EusXJM5bI+UBPm4kQzjR/Mw2upzJ7csxqdOaB+ds7AGruZ8k7 Zzfw== X-Gm-Message-State: AOAM532jg3KdhuxQs87OPTutfQvFw2xqUOl8f6swLz0S3a1U2/PObUM0 Pf5CIf+ICpZGUo6yxmxre/E= X-Google-Smtp-Source: ABdhPJw6Wjlk+bACzI5Qve0koO9tViV/K80SgFNZXBfrlQlDLUFB3KNzbwjfMKn8ftIipajKJ+UJow== X-Received: by 2002:a1c:2108:: with SMTP id h8mr10048664wmh.63.1602496773274; Mon, 12 Oct 2020 02:59:33 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Paolo Bonzini , Luc Michel , Eduardo Habkost , Aleksandar Rikalo , Huacai Chen , Paul Burton , Huacai Chen , Aurelien Jarno , Damien Hedde , Richard Henderson , Jiaxun Yang , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Herv=C3=A9=20Poussineau?= Subject: [PATCH v4 17/21] hw/mips/cps: Expose input clock and connect it to CPU cores Date: Mon, 12 Oct 2020 11:58:00 +0200 Message-Id: <20201012095804.3335117-18-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201012095804.3335117-1-f4bug@amsat.org> References: <20201012095804.3335117-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) Expose a qdev input clock named 'clk-in', and connect it to each core to forward-propagate the clock. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/mips/cps.h | 2 ++ hw/mips/cps.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/include/hw/mips/cps.h b/include/hw/mips/cps.h index 9e35a881366..859a8d4a674 100644 --- a/include/hw/mips/cps.h +++ b/include/hw/mips/cps.h @@ -21,6 +21,7 @@ #define MIPS_CPS_H =20 #include "hw/sysbus.h" +#include "hw/clock.h" #include "hw/misc/mips_cmgcr.h" #include "hw/intc/mips_gic.h" #include "hw/misc/mips_cpc.h" @@ -43,6 +44,7 @@ struct MIPSCPSState { MIPSGICState gic; MIPSCPCState cpc; MIPSITUState itu; + Clock *clock; }; =20 qemu_irq get_cps_irq(MIPSCPSState *cps, int pin_number); diff --git a/hw/mips/cps.c b/hw/mips/cps.c index 23c0f87e41a..af7b58c4bdd 100644 --- a/hw/mips/cps.c +++ b/hw/mips/cps.c @@ -22,6 +22,7 @@ #include "qemu/module.h" #include "hw/mips/cps.h" #include "hw/mips/mips.h" +#include "hw/qdev-clock.h" #include "hw/qdev-properties.h" #include "hw/mips/cpudevs.h" #include "sysemu/kvm.h" @@ -38,6 +39,7 @@ static void mips_cps_init(Object *obj) SysBusDevice *sbd =3D SYS_BUS_DEVICE(obj); MIPSCPSState *s =3D MIPS_CPS(obj); =20 + s->clock =3D qdev_init_clock_in(DEVICE(obj), "clk-in", NULL, NULL); /* * Cover entire address space as there do not seem to be any * constraints for the base address of CPC and GIC. @@ -80,6 +82,8 @@ static void mips_cps_realize(DeviceState *dev, Error **er= rp) errp)) { return; } + /* All cores use the same clock tree */ + qdev_connect_clock_in(DEVICE(cpu), "clk-in", s->clock); =20 if (!qdev_realize_and_unref(DEVICE(cpu), NULL, errp)) { return; --=20 2.26.2