[{"id":3678386,"web_url":"http://patchwork.ozlabs.org/comment/3678386/","msgid":"","list_archive_url":null,"date":"2026-04-16T21:12:09","subject":"Re: [PATCH v5 1/9] hw/hexagon: Add globalreg model","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/people/85046/","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"content":"On 16/4/26 23:02, Brian Cain wrote:\n> Some of the system registers are shared among all threads\n> in the core. This object contains the representation and\n> interface to the system registers.\n> \n> Signed-off-by: Brian Cain \n> Reviewed-by: Sid Manning \n> ---\n> include/hw/hexagon/hexagon_globalreg.h | 56 ++++++\n> hw/hexagon/hexagon_globalreg.c | 240 +++++++++++++++++++++++++\n> 2 files changed, 296 insertions(+)\n> create mode 100644 include/hw/hexagon/hexagon_globalreg.h\n> create mode 100644 hw/hexagon/hexagon_globalreg.c\n\nAssuming you'll end merging this:\n\nAcked-by: Philippe Mathieu-Daudé ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=rPUQqqVf;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fxW1l74xqz1yHp\n\tfor ; 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::42d;\n envelope-from=philmd@linaro.org; helo=mail-wr1-x42d.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3679409,"web_url":"http://patchwork.ozlabs.org/comment/3679409/","msgid":"<20260420133838.1050234-1-matheus.bernardino@oss.qualcomm.com>","list_archive_url":null,"date":"2026-04-20T13:38:38","subject":"Re: [PATCH v5 1/9] hw/hexagon: Add globalreg model","submitter":{"id":90606,"url":"http://patchwork.ozlabs.org/api/people/90606/","name":"Matheus Tavares Bernardino","email":"matheus.bernardino@oss.qualcomm.com"},"content":"On Thu, 16 Apr 2026 14:02:57 -0700 Brian Cain wrote:\n>\n> diff --git a/hw/hexagon/hexagon_globalreg.c b/hw/hexagon/hexagon_globalreg.c\n> new file mode 100644\n> index 00000000000..97e75a2f1ea\n> --- /dev/null\n> +++ b/hw/hexagon/hexagon_globalreg.c\n>\n> +static void hexagon_globalreg_init(Object *obj)\n> +{\n> + HexagonGlobalRegState *s = HEXAGON_GLOBALREG(obj);\n> +\n> + memset(s->regs, 0, sizeof(uint32_t) * NUM_SREGS);\n\nnit: sizeof(s->regs) would be safer\n\n> +void hexagon_globalreg_reset(HexagonGlobalRegState *s)\n> +{\n> + do_hexagon_globalreg_reset(s);\n> +}\n\nIs the wrapper really needed? Should we perhaps inline\ndo_hexagon_globalreg_reset here, instead?","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=Jcxfw7F8;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=D+71fdnn;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby 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sid.manning@oss.qualcomm.com, ale@rev.ng,\n anjo@rev.ng, pierrick.bouvier@oss.qualcomm.com","Subject":"Re: [PATCH v5 1/9] hw/hexagon: Add globalreg model","Date":"Mon, 20 Apr 2026 06:38:38 -0700","Message-Id":"<20260420133838.1050234-1-matheus.bernardino@oss.qualcomm.com>","X-Mailer":"git-send-email 2.37.2","In-Reply-To":"<20260416210305.2255579-2-brian.cain@oss.qualcomm.com>","References":"<20260416210305.2255579-2-brian.cain@oss.qualcomm.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDIwMDEzMiBTYWx0ZWRfXzF6rB0L1RmhE\n lyk/qkuP+Lqs9cOJKO73ibDt12bY9zhqRqpGk6PTb4tLTY2IW5O3sR2QehGWHdv2yTcclJwlQcu\n ISKcTs5J41x3QvKWHR0Uwg9kZg/ASKg09oxUB3Gg5ERXw2GLrGo9cO3py5RJOkI+y9+2Tj2u1C5\n x+30LvCmWfThn4rSmO8NnmgiS13NBPhNfvCkTU1/R4k8Fi0mEeGu7x5nUW9bXkQtm0pp4KjWVTu\n 3jFJvuVck3t1zALJ5PXUb3teSha9NpodQXnaEilkll1qNXvYpUVrPmH2lkyceUWDcCLq7CMHrph\n PftfZEOf3Gdwcq5QcBIXKCzbVq4LKYp+EeH4gVtE2ckui3dfNITNYeuxpKPt6zGrU6QL70cXS0p\n 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","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3679495,"web_url":"http://patchwork.ozlabs.org/comment/3679495/","msgid":"<5b1c0f7d-0152-4d22-a0f1-112c5feefccb@oss.qualcomm.com>","list_archive_url":null,"date":"2026-04-20T17:27:27","subject":"Re: [PATCH v5 1/9] hw/hexagon: Add globalreg model","submitter":{"id":93152,"url":"http://patchwork.ozlabs.org/api/people/93152/","name":"Pierrick Bouvier","email":"pierrick.bouvier@oss.qualcomm.com"},"content":"On 4/16/2026 2:02 PM, Brian Cain wrote:\n> Some of the system registers are shared among all threads\n> in the core. This object contains the representation and\n> interface to the system registers.\n> \n> Signed-off-by: Brian Cain \n> Reviewed-by: Sid Manning \n> ---\n\n> +void hexagon_globalreg_reset(HexagonGlobalRegState *s)\n> +{\n> + do_hexagon_globalreg_reset(s);\n> +}\n> +\n\nWhere is this function is supposed to be used?\nSeems like only reset_hold mechanism is used.\n\nRegards,\nPierrick","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=bWBIDb3Q;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=XbjCJkTs;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fzss43jyCz1yD4\n\tfor ; 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