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[88.21.202.17]) by smtp.gmail.com with ESMTPSA id q5sm4376297wra.36.2020.05.10.04.35.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2020 04:35:08 -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:mime-version :content-transfer-encoding; bh=1sGCszq4iNsnWpjkDa6PLbJ7mB9x9d8Hb21P4Y4Q2OM=; b=RQsKJz3Yntu05j41RriCGxx4fLDhXKBE62Rmz4R+Q94FaBhdUfvIG65x0Ym5dntEMb K9jaecsqx2Y28wG+zmPDiPwhDPd9FhLQcvcpcgsvC16UC01+zb/NdilIcoNqig6v/2oN b6YwnJ6VIohHqF7z7XZIkXoWOvGvafbMCmgUZrN7gx/oPov35/J6GzIHLZJNpDhUHEf7 EJa8piIE9+JbBClSh+yN+bPwDEWlMnKAzLR+WKnu5gTuTrgaN/2lH/lUSJuXAeckn1YC ZtPa6dZyXQARz+ysd5B71Gl/QsZEhZYoiBnZRxuXfRZ3VzneuIhcrcHpU4skRiWJp564 ID5g== 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 :mime-version:content-transfer-encoding; bh=1sGCszq4iNsnWpjkDa6PLbJ7mB9x9d8Hb21P4Y4Q2OM=; b=WzIVMLwCGKvyjD3+JkN8Yva6S2pYrq/HCYmMlegyfrvXh3C4yo2DjzUYeUA4lDlA74 wsgCeQJGmVivB2xCYjiPyVkX8lXG/cwk6MlbAstFvSpQumG8RUKR0PxV4dHwPysjDEuU D5qFWntnqKVjPJyeVIUliEctjyEjuat3E6pL3xbEAKDtHKCS94+DE+uF3cBhiQWbG6yo lvo+LFIiKzUDfMiTsRyHbOPoVhI/60IzljTPc4ayTriJy97WmxlCNBJx+9lH3pLsOin7 Wbc/Fj9rnP3s16PvohK3T9BAIgDlJ++z+MA5jutn5rtLVhzSASIAG26SH6ETS9v7Db07 V2fw== X-Gm-Message-State: AGi0PuYae9nFpx3h3MHEJS247+A2hsIHXH8rgRUJmoz7ZS/pYvnjtUgN 2LohsAc2f/KB+fJoK6gSL9VDTKqHQ6M= X-Google-Smtp-Source: APiQypJzo86kxc1IXAA2M1CAW09ERC5+NRro2ICqyw0rhBnuTbSDcICgN0WliFX7L2dwP1OZJrBRqg== X-Received: by 2002:adf:e90b:: with SMTP id f11mr13073485wrm.364.1589110508857; Sun, 10 May 2020 04:35:08 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH] hw/sparc/sun4m: Use memdev backend for main RAM Date: Sun, 10 May 2020 13:35:05 +0200 Message-Id: <20200510113505.10500-1-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::443; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x443.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov , Mark Cave-Ayland , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Artyom Tarasenko Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Since commit 82b911aaff3, machine_run_board_init() checks for ram_memdev_id and consume it. As TYPE_SUN4M_MEMORY is no more needed, replace it by the generic memdev allocated MemoryRegion and remove it. This completes commit b2554752b1da7c8f. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/sparc/sun4m.c | 54 ++---------------------------------------------- 1 file changed, 2 insertions(+), 52 deletions(-) diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c index 36ee1a0a3d..9838c5a183 100644 --- a/hw/sparc/sun4m.c +++ b/hw/sparc/sun4m.c @@ -772,50 +772,6 @@ static const TypeInfo prom_info =3D { .class_init =3D prom_class_init, }; =20 -#define TYPE_SUN4M_MEMORY "memory" -#define SUN4M_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4M_MEMORY) - -typedef struct RamDevice { - SysBusDevice parent_obj; - HostMemoryBackend *memdev; -} RamDevice; - -/* System RAM */ -static void ram_realize(DeviceState *dev, Error **errp) -{ - RamDevice *d =3D SUN4M_RAM(dev); - MemoryRegion *ram =3D host_memory_backend_get_memory(d->memdev); - - sysbus_init_mmio(SYS_BUS_DEVICE(dev), ram); -} - -static void ram_initfn(Object *obj) -{ - RamDevice *d =3D SUN4M_RAM(obj); - object_property_add_link(obj, "memdev", TYPE_MEMORY_BACKEND, - (Object **)&d->memdev, - object_property_allow_set_link, - OBJ_PROP_LINK_STRONG, &error_abort); - object_property_set_description(obj, "memdev", "Set RAM backend" - "Valid value is ID of a hostmem backen= d", - &error_abort); -} - -static void ram_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc =3D DEVICE_CLASS(klass); - - dc->realize =3D ram_realize; -} - -static const TypeInfo ram_info =3D { - .name =3D TYPE_SUN4M_MEMORY, - .parent =3D TYPE_SYS_BUS_DEVICE, - .instance_size =3D sizeof(RamDevice), - .instance_init =3D ram_initfn, - .class_init =3D ram_class_init, -}; - static void cpu_devinit(const char *cpu_type, unsigned int id, uint64_t prom_addr, qemu_irq **cpu_irqs) { @@ -858,8 +814,6 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwd= ef, SysBusDevice *s; unsigned int smp_cpus =3D machine->smp.cpus; unsigned int max_cpus =3D machine->smp.max_cpus; - Object *ram_memdev =3D object_resolve_path_type(machine->ram_memdev_id, - TYPE_MEMORY_BACKEND, NUL= L); =20 if (machine->ram_size > hwdef->max_mem) { error_report("Too much memory for this machine: %" PRId64 "," @@ -876,11 +830,8 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hw= def, for (i =3D smp_cpus; i < MAX_CPUS; i++) cpu_irqs[i] =3D qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PI= LS); =20 - /* Create and map RAM frontend */ - dev =3D qdev_create(NULL, "memory"); - object_property_set_link(OBJECT(dev), ram_memdev, "memdev", &error_fat= al); - qdev_init_nofail(dev); - sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0); + /* RAM */ + memory_region_add_subregion(get_system_memory(), 0, machine->ram); =20 /* models without ECC don't trap when missing ram is accessed */ if (!hwdef->ecc_base) { @@ -1575,7 +1526,6 @@ static void sun4m_register_types(void) type_register_static(&idreg_info); type_register_static(&afx_info); type_register_static(&prom_info); - type_register_static(&ram_info); =20 type_register_static(&ss5_type); type_register_static(&ss10_type); --=20 2.21.3