From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ED5E8C7EE21 for ; Wed, 26 Apr 2023 00:46:20 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1prTFc-000854-CQ; Tue, 25 Apr 2023 20:43:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1prTFY-00083y-1q for qemu-devel@nongnu.org; Tue, 25 Apr 2023 20:43:12 -0400 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1prTF8-0006PX-Bt for qemu-devel@nongnu.org; Tue, 25 Apr 2023 20:43:11 -0400 Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33Q0QAPn026594; Wed, 26 Apr 2023 00:42:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=qcppdkim1; bh=1pNQrCtMiKM3Wyl2fHUxOZ4jdbg6AggfRyWi/YMOjnA=; b=gdyAJrfQo7rWRKIe5d1FqkP8mBW/YUvKKRfTDJKPpe2hGkru9qDuhP20nYnrUDv9zK0E GGiyBgdRVytedn0COzd23s9ohQqKjZdVMXLYd29wkZZxBo6omruCUbG8WtG6vkhZ8xMI gWXjJv+R3GYNkdNUsgCqfBxuumoBV3VxykpqeTCIRsLYUZ9ckkFQgpc8vXki2P6PlGBM rPlMg52RALTYDEjM60Nf1Ls6GV8jPLOnd++BxHrC6L8MhNlt8ju5biTyFjV9TbYVXExv Z0QfKCDz6xlHv9F1LVTcA6nROLdyL3PoXHHVsvacYKR83aDMUxE9U9wnCUmOzbb1rBTV DA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3q6kw08ntf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Apr 2023 00:42:37 +0000 Received: from pps.filterd (NALASPPMTA03.qualcomm.com [127.0.0.1]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 33Q0eEGn015713; Wed, 26 Apr 2023 00:42:36 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTPS id 3q48nm4ycx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Apr 2023 00:42:36 +0000 Received: from NALASPPMTA03.qualcomm.com (NALASPPMTA03.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 33Q0gaox017525; Wed, 26 Apr 2023 00:42:36 GMT Received: from hu-devc-sd-u20-a-1.qualcomm.com (hu-tsimpson-lv.qualcomm.com [10.47.204.221]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTPS id 33Q0gZSU017523 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Apr 2023 00:42:36 +0000 Received: by hu-devc-sd-u20-a-1.qualcomm.com (Postfix, from userid 47164) id A370368B; Tue, 25 Apr 2023 17:42:35 -0700 (PDT) From: Taylor Simpson To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, ale@rev.ng, anjo@rev.ng, bcain@quicinc.com, quic_mathbern@quicinc.com Subject: [PATCH 13/21] Hexagon (target/hexagon) Short-circuit packet HVX writes Date: Tue, 25 Apr 2023 17:42:28 -0700 Message-Id: <20230426004234.1319401-4-tsimpson@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230426004234.1319401-1-tsimpson@quicinc.com> References: <20230426004234.1319401-1-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: RFtYvZiAY9dyEckuhDsjWq6AA2v1whwK X-Proofpoint-ORIG-GUID: RFtYvZiAY9dyEckuhDsjWq6AA2v1whwK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-25_11,2023-04-25_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxlogscore=796 malwarescore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 phishscore=0 bulkscore=0 spamscore=0 suspectscore=0 priorityscore=1501 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304260004 Received-SPF: pass client-ip=205.220.180.131; envelope-from=tsimpson@qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org SW4gY2VydGFpbiBjYXNlcywgd2UgY2FuIGF2b2lkIHRoZSBvdmVyaGVhZCBvZiB3cml0aW5nIHRv IGZ1dHVyZV9WUmVncwphbmQgd3JpdGUgZGlyZWN0bHkgdG8gVlJlZ3MuICBXZSBjb25zaWRlciBI VlggcmVhZHMvd3JpdGVzIHdoZW4gY29tcHV0aW5nCmN0eC0+bmVlZF9jb21taXQuICBUaGVuLCB3 ZSBjYW4gZWFybHktZXhpdCBmcm9tIGdlbl9jb21taXRfaHZ4LgoKU2lnbmVkLW9mZi1ieTogVGF5 bG9yIFNpbXBzb24gPHRzaW1wc29uQHF1aWNpbmMuY29tPgotLS0KIHRhcmdldC9oZXhhZ29uL2dl bnB0ci5jICAgIHwgIDYgKysrKy0KIHRhcmdldC9oZXhhZ29uL3RyYW5zbGF0ZS5jIHwgNDYgKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0KIDIgZmlsZXMgY2hhbmdlZCwgNTAg aW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS90YXJnZXQvaGV4YWdv bi9nZW5wdHIuYyBiL3RhcmdldC9oZXhhZ29uL2dlbnB0ci5jCmluZGV4IGRhNjhkMTllZDMuLjhl NWFmYWI5MzEgMTAwNjQ0Ci0tLSBhL3RhcmdldC9oZXhhZ29uL2dlbnB0ci5jCisrKyBiL3Rhcmdl dC9oZXhhZ29uL2dlbnB0ci5jCkBAIC0xMTAxLDcgKzExMDEsMTEgQEAgc3RhdGljIHZvaWQgZ2Vu X2xvZ192cmVnX3dyaXRlX3BhaXIoRGlzYXNDb250ZXh0ICpjdHgsIGludHB0cl90IHNyY29mZiwg aW50IG51bSwKIAogc3RhdGljIGludHB0cl90IGdldF9yZXN1bHRfcXJlZyhEaXNhc0NvbnRleHQg KmN0eCwgaW50IHFudW0pCiB7Ci0gICAgcmV0dXJuICBvZmZzZXRvZihDUFVIZXhhZ29uU3RhdGUs IGZ1dHVyZV9RUmVnc1txbnVtXSk7CisgICAgaWYgKGN0eC0+bmVlZF9jb21taXQpIHsKKyAgICAg ICAgcmV0dXJuICBvZmZzZXRvZihDUFVIZXhhZ29uU3RhdGUsIGZ1dHVyZV9RUmVnc1txbnVtXSk7 CisgICAgfSBlbHNlIHsKKyAgICAgICAgcmV0dXJuICBvZmZzZXRvZihDUFVIZXhhZ29uU3RhdGUs IFFSZWdzW3FudW1dKTsKKyAgICB9CiB9CiAKIHN0YXRpYyB2b2lkIGdlbl92cmVnX2xvYWQoRGlz YXNDb250ZXh0ICpjdHgsIGludHB0cl90IGRzdG9mZiwgVENHdiBzcmMsCmRpZmYgLS1naXQgYS90 YXJnZXQvaGV4YWdvbi90cmFuc2xhdGUuYyBiL3RhcmdldC9oZXhhZ29uL3RyYW5zbGF0ZS5jCmlu ZGV4IDA3ZWQzNmY2YTguLjhlMDI0YjJjZDIgMTAwNjQ0Ci0tLSBhL3RhcmdldC9oZXhhZ29uL3Ry YW5zbGF0ZS5jCisrKyBiL3RhcmdldC9oZXhhZ29uL3RyYW5zbGF0ZS5jCkBAIC03MCw2ICs3MCwx MCBAQCBpbnRwdHJfdCBjdHhfZnV0dXJlX3ZyZWdfb2ZmKERpc2FzQ29udGV4dCAqY3R4LCBpbnQg cmVnbnVtLAogewogICAgIGludHB0cl90IG9mZnNldDsKIAorICAgIGlmICghY3R4LT5uZWVkX2Nv bW1pdCkgeworICAgICAgICByZXR1cm4gb2Zmc2V0b2YoQ1BVSGV4YWdvblN0YXRlLCBWUmVnc1ty ZWdudW1dKTsKKyAgICB9CisKICAgICAvKiBTZWUgaWYgaXQgaXMgYWxyZWFkeSBhbGxvY2F0ZWQg Ki8KICAgICBmb3IgKGludCBpID0gMDsgaSA8IGN0eC0+ZnV0dXJlX3ZyZWdzX2lkeDsgaSsrKSB7 CiAgICAgICAgIGlmIChjdHgtPmZ1dHVyZV92cmVnc19udW1baV0gPT0gcmVnbnVtKSB7CkBAIC0z NzQsNyArMzc4LDcgQEAgc3RhdGljIGJvb2wgbmVlZF9jb21taXQoRGlzYXNDb250ZXh0ICpjdHgp CiAgICAgICAgIHJldHVybiB0cnVlOwogICAgIH0KIAotICAgIGlmIChwa3QtPm51bV9pbnNucyA9 PSAxKSB7CisgICAgaWYgKHBrdC0+bnVtX2luc25zID09IDEgJiYgIXBrdC0+cGt0X2hhc19odngp IHsKICAgICAgICAgcmV0dXJuIGZhbHNlOwogICAgIH0KIApAQCAtMzk0LDYgKzM5OCw0MCBAQCBz dGF0aWMgYm9vbCBuZWVkX2NvbW1pdChEaXNhc0NvbnRleHQgKmN0eCkKICAgICAgICAgfQogICAg IH0KIAorICAgIC8qIENoZWNrIGZvciBvdmVybGFwIGJldHdlZW4gSFZYIHJlYWRzIGFuZCB3cml0 ZXMgKi8KKyAgICBmb3IgKGludCBpID0gMDsgaSA8IGN0eC0+dnJlZ19sb2dfaWR4OyBpKyspIHsK KyAgICAgICAgaW50IHZudW0gPSBjdHgtPnZyZWdfbG9nW2ldOworICAgICAgICBpZiAodGVzdF9i aXQodm51bSwgY3R4LT52cmVnc19yZWFkKSkgeworICAgICAgICAgICAgcmV0dXJuIHRydWU7Cisg ICAgICAgIH0KKyAgICB9CisgICAgaWYgKCFiaXRtYXBfZW1wdHkoY3R4LT52cmVnc191cGRhdGVk X3RtcCwgTlVNX1ZSRUdTKSkgeworICAgICAgICBpbnQgaSA9IGZpbmRfZmlyc3RfYml0KGN0eC0+ dnJlZ3NfdXBkYXRlZF90bXAsIE5VTV9WUkVHUyk7CisgICAgICAgIHdoaWxlIChpIDwgTlVNX1ZS RUdTKSB7CisgICAgICAgICAgICBpZiAodGVzdF9iaXQoaSwgY3R4LT52cmVnc19yZWFkKSkgewor ICAgICAgICAgICAgICAgIHJldHVybiB0cnVlOworICAgICAgICAgICAgfQorICAgICAgICAgICAg aSA9IGZpbmRfbmV4dF9iaXQoY3R4LT52cmVnc191cGRhdGVkX3RtcCwgTlVNX1ZSRUdTLCBpICsg MSk7CisgICAgICAgIH0KKyAgICB9CisgICAgaWYgKCFiaXRtYXBfZW1wdHkoY3R4LT52cmVnc19z ZWxlY3QsIE5VTV9WUkVHUykpIHsKKyAgICAgICAgaW50IGkgPSBmaW5kX2ZpcnN0X2JpdChjdHgt PnZyZWdzX3NlbGVjdCwgTlVNX1ZSRUdTKTsKKyAgICAgICAgd2hpbGUgKGkgPCBOVU1fVlJFR1Mp IHsKKyAgICAgICAgICAgIGlmICh0ZXN0X2JpdChpLCBjdHgtPnZyZWdzX3JlYWQpKSB7CisgICAg ICAgICAgICAgICAgcmV0dXJuIHRydWU7CisgICAgICAgICAgICB9CisgICAgICAgICAgICBpID0g ZmluZF9uZXh0X2JpdChjdHgtPnZyZWdzX3NlbGVjdCwgTlVNX1ZSRUdTLCBpICsgMSk7CisgICAg ICAgIH0KKyAgICB9CisKKyAgICAvKiBDaGVjayBmb3Igb3ZlcmxhcCBiZXR3ZWVuIEhWWCBwcmVk aWNhdGUgcmVhZHMgYW5kIHdyaXRlcyAqLworICAgIGZvciAoaW50IGkgPSAwOyBpIDwgY3R4LT5x cmVnX2xvZ19pZHg7IGkrKykgeworICAgICAgICBpbnQgcW51bSA9IGN0eC0+cXJlZ19sb2dbaV07 CisgICAgICAgIGlmICh0ZXN0X2JpdChxbnVtLCBjdHgtPnFyZWdzX3JlYWQpKSB7CisgICAgICAg ICAgICByZXR1cm4gdHJ1ZTsKKyAgICAgICAgfQorICAgIH0KKwogICAgIHJldHVybiBmYWxzZTsK IH0KIApAQCAtNzg3LDYgKzgyNSwxMiBAQCBzdGF0aWMgdm9pZCBnZW5fY29tbWl0X2h2eChEaXNh c0NvbnRleHQgKmN0eCkKIHsKICAgICBpbnQgaTsKIAorICAgIC8qIEVhcmx5IGV4aXQgaWYgbm90 IG5lZWRlZCAqLworICAgIGlmICghY3R4LT5uZWVkX2NvbW1pdCkgeworICAgICAgICBnX2Fzc2Vy dCghcGt0X2hhc19odnhfc3RvcmUoY3R4LT5wa3QpKTsKKyAgICAgICAgcmV0dXJuOworICAgIH0K KwogICAgIC8qCiAgICAgICogICAgZm9yIChpID0gMDsgaSA8IGN0eC0+dnJlZ19sb2dfaWR4OyBp KyspIHsKICAgICAgKiAgICAgICAgaW50IHJudW0gPSBjdHgtPnZyZWdfbG9nW2ldOwotLSAKMi4y NS4xCgo=