From nobody Mon Feb 9 11:51:17 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail header.i=@quicinc.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=quicinc.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1635975157019244.19208010629325; Wed, 3 Nov 2021 14:32:37 -0700 (PDT) Received: from localhost ([::1]:56820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1miNs4-0008Ei-0i for importer@patchew.org; Wed, 03 Nov 2021 17:32:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43378) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1miNdb-0002hu-8L for qemu-devel@nongnu.org; Wed, 03 Nov 2021 17:17:39 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:52189) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1miNdZ-0007Cz-60 for qemu-devel@nongnu.org; Wed, 03 Nov 2021 17:17:38 -0400 Received: from unknown (HELO ironmsg05-sd.qualcomm.com) ([10.53.140.145]) by alexa-out-sd-01.qualcomm.com with ESMTP; 03 Nov 2021 14:17:30 -0700 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg05-sd.qualcomm.com with ESMTP; 03 Nov 2021 14:17:29 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id AC62C2721; Wed, 3 Nov 2021 16:17:28 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1635974257; x=1667510257; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xroskLBBDSJOa4Pu8DXfVck1qbes8XJoZRGHPWIu/E4=; b=rUlDPjblVqTPmiPu2lPiMy2piAk8+sWtsYxSfL5dCgpBOc19O0FrJ4CE URWtJmPBcoU6VQpxDRW8Q6idEnl9gBiWUE5kfEm8p89TZQfXdspM5SJjr +tvXsS/E8co1uvw7Fu+QMFXLxH8JzYthl4s0rFn3v15Jc6WLp36Alk1Jm Q=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PULL v2 10/30] Hexagon HVX (target/hexagon) instruction utility functions Date: Wed, 3 Nov 2021 16:17:07 -0500 Message-Id: <1635974247-1820-11-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1635974247-1820-1-git-send-email-tsimpson@quicinc.com> References: <1635974247-1820-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 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=199.106.114.38; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-01.qualcomm.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, tsimpson@quicinc.com, richard.henderson@linaro.org, f4bug@amsat.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1635975158634100001 Functions to support scatter/gather Add new file to target/hexagon/meson.build Reviewed-by: Richard Henderson Signed-off-by: Taylor Simpson --- target/hexagon/mmvec/system_ext_mmvec.h | 25 ++++++++++++++++++ target/hexagon/mmvec/system_ext_mmvec.c | 47 +++++++++++++++++++++++++++++= ++++ target/hexagon/meson.build | 1 + 3 files changed, 73 insertions(+) create mode 100644 target/hexagon/mmvec/system_ext_mmvec.h create mode 100644 target/hexagon/mmvec/system_ext_mmvec.c diff --git a/target/hexagon/mmvec/system_ext_mmvec.h b/target/hexagon/mmvec= /system_ext_mmvec.h new file mode 100644 index 0000000..bcefbff --- /dev/null +++ b/target/hexagon/mmvec/system_ext_mmvec.h @@ -0,0 +1,25 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef HEXAGON_SYSTEM_EXT_MMVEC_H +#define HEXAGON_SYSTEM_EXT_MMVEC_H + +void mem_gather_store(CPUHexagonState *env, target_ulong vaddr, int slot); +void mem_vector_scatter_init(CPUHexagonState *env); +void mem_vector_gather_init(CPUHexagonState *env); + +#endif diff --git a/target/hexagon/mmvec/system_ext_mmvec.c b/target/hexagon/mmvec= /system_ext_mmvec.c new file mode 100644 index 0000000..8351f2c --- /dev/null +++ b/target/hexagon/mmvec/system_ext_mmvec.c @@ -0,0 +1,47 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "mmvec/system_ext_mmvec.h" + +void mem_gather_store(CPUHexagonState *env, target_ulong vaddr, int slot) +{ + size_t size =3D sizeof(MMVector); + + env->vstore_pending[slot] =3D 1; + env->vstore[slot].va =3D vaddr; + env->vstore[slot].size =3D size; + memcpy(&env->vstore[slot].data.ub[0], &env->tmp_VRegs[0], size); + + /* On a gather store, overwrite the store mask to emulate dropped gath= ers */ + bitmap_copy(env->vstore[slot].mask, env->vtcm_log.mask, size); +} + +void mem_vector_scatter_init(CPUHexagonState *env) +{ + bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES); + + env->vtcm_pending =3D true; + env->vtcm_log.op =3D false; + env->vtcm_log.op_size =3D 0; +} + +void mem_vector_gather_init(CPUHexagonState *env) +{ + bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES); +} diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index c6d858f..0bfaa41 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -174,6 +174,7 @@ hexagon_ss.add(files( 'printinsn.c', 'arch.c', 'fma_emu.c', + 'mmvec/system_ext_mmvec.c', )) =20 target_arch +=3D {'hexagon': hexagon_ss} --=20 2.7.4