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[128.2.16.51]) by smtp.gmail.com with ESMTPSA id z196sm12239899qkb.42.2017.04.04.10.01.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Apr 2017 10:01:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=fA2UsosnlOp8U1SzbVpCo+1RdWLhYMDKlpFnYFGyuKo=; b=bRkSt/82Liu00fpcHTnqd+3fhCJ4ygFnLyZR0G51duE79LHpTrakeG5jpTTzvZggx7 aQ4huQontmJ1b/nI2mnI7kWxCd/+Xdo23hyBDNoayVj96xjKYoh4uJzCgHnTycT3VTnO Q92ARKSI4pOFduWzVP3qlpilHzZ8McQKBatBjBknB77ebMslFE/rHxfSAOreuj/UTqCZ qmhX2VMhDkA3vrEMPwQuNrwSp5VKGJf9ufbzd/1dU2lDOHJkRtnJA4I/BNO3VYQ//PHf sfuLSIfI3351/60NzBk3kma8sxzeddpHaWCUpc+5SywCUr8E1OQCW93w2bOzmi8w/pxD d8Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=fA2UsosnlOp8U1SzbVpCo+1RdWLhYMDKlpFnYFGyuKo=; b=hNZF7iddq5XZmaEyyCZCIhG20yVedITewJwRQIIX0mKBNFMAUwbNBvQjFuuEG9GWCk wNptRYFbjwCWhu6o4dn4a7ZAR6yYB6lXbcJQgYNzb6vpuSVQAa4XyvbKQfJqDnKk9juO v3ZtF5IKs6oYHCB8Z9K7a7wVMNwHag38m7cx7DoDH/2ZtwWxdwTXDShS1r0B/8Mts2aX 0BO32FvFg1ocz54BPXdz3IzWnVLw2JxGVOPLEbnSPU63BcEZSbm2noVuxTfvK0EhyCII 6wZHYFkbrDJe692RuR1vaHVhftgLbMbqQqy7uGDM9GNZxPyu5Xyqhl4lII0JNB1V6v6f 1NqA== X-Gm-Message-State: AN3rC/5y9pXdao5oy7VqSc5icTU5YYVouv7rZn7UuEufhXZxyk4toa8RdkBCEjLBpUzThw== X-Received: by 10.55.12.213 with SMTP id 204mr6230065qkm.233.1491325276063; Tue, 04 Apr 2017 10:01:16 -0700 (PDT) From: "Gabriel L. Somlo" To: qemu-devel@nongnu.org Date: Tue, 4 Apr 2017 13:01:04 -0400 Message-Id: <1491325264-14502-4-git-send-email-gsomlo@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491325264-14502-1-git-send-email-gsomlo@gmail.com> References: <1491325264-14502-1-git-send-email-gsomlo@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400d:c09::241 Subject: [Qemu-devel] [PATCH v2 3/3] applesmc: fix port i/o access width X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, eshelton@pobox.com, f4bug@amsat.org, agraf@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Set width of the two i/o regions dedicated to the AppleSMC's 8-bit data and command ports to 1 byte. Signed-off-by: Gabriel Somlo --- Setting these to 1-byte width works fine on any OS X version I could find to test on: 10.(6-12), inclusive. On linux, the applesmc kernel module tries *hard* to avoid loading on anything that's not a Mac, by checking DMI board vendor and product strings. If I force it using: -smbios type=3D1,manufacturer=3D'Apple Inc.',product=3D'iMac2',family=3D= 'iMac' \ -smbios type=3D2,manufacturer=3D'Apple Inc.',version=3D'iMac' \ -device isa-applesmc the module fails both before and after this whole series, suggesting it's not (just) the access width but rather the overall incomplete emulation that's the issue. If we decide to go for implementing a more complete emulation, beyond simply the minimum necessary to satisfy OS X, we should definitely ensure that Linux is also happily able to initialize its applesmc driver... hw/misc/applesmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/misc/applesmc.c b/hw/misc/applesmc.c index 0d882e8..7896812 100644 --- a/hw/misc/applesmc.c +++ b/hw/misc/applesmc.c @@ -316,12 +316,12 @@ static void applesmc_isa_realize(DeviceState *dev, Er= ror **errp) AppleSMCState *s =3D APPLE_SMC(dev); =20 memory_region_init_io(&s->io_data, OBJECT(s), &applesmc_data_io_ops, s, - "applesmc-data", 4); + "applesmc-data", 1); isa_register_ioport(&s->parent_obj, &s->io_data, s->iobase + APPLESMC_DATA_PORT); =20 memory_region_init_io(&s->io_cmd, OBJECT(s), &applesmc_cmd_io_ops, s, - "applesmc-cmd", 4); + "applesmc-cmd", 1); isa_register_ioport(&s->parent_obj, &s->io_cmd, s->iobase + APPLESMC_CMD_PORT); =20 --=20 2.7.4