From nobody Tue Feb 10 01:33:10 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 16300000884784.566808377835059; Thu, 26 Aug 2021 10:48:08 -0700 (PDT) Received: from localhost ([::1]:44384 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJJTz-0001Ih-BD for importer@patchew.org; Thu, 26 Aug 2021 13:48:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52126) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mJJIf-00048O-7S for qemu-devel@nongnu.org; Thu, 26 Aug 2021 13:36:25 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:3083) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1mJJIb-00058v-NE for qemu-devel@nongnu.org; Thu, 26 Aug 2021 13:36:24 -0400 Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-01.qualcomm.com with ESMTP; 26 Aug 2021 10:36:15 -0700 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg02-sd.qualcomm.com with ESMTP; 26 Aug 2021 10:36:14 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 71E141410; Thu, 26 Aug 2021 12:36:13 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1629999381; x=1661535381; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XJ29fnIemY4JSW0vU+5x3t/9SQJCrnFoYxuWU+XHUX8=; b=FauEjWxz1SNWB0fnAzL04BhW6GS0DesowOMdsAmjwNmOZiHYpl5TrZgF MHUTiEMlaL2PDgFPOHOiRlQLfkeNMXmWFnvTloFwSmxJskaa9SZgF8jqM 8zQZwzkJVki8LH+s9qfcdCHGBCOW7pw1WCw5GTYo3hpY70YoV2veJuDRp 4=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v2 10/30] Hexagon HVX (target/hexagon) instruction utility functions Date: Thu, 26 Aug 2021 12:35:38 -0500 Message-Id: <1629999358-25304-11-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1629999358-25304-1-git-send-email-tsimpson@quicinc.com> References: <1629999358-25304-1-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ale@rev.ng, bcain@quicinc.com, 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: 1630000090827100001 Functions to support scatter/gather Add new file to target/hexagon/meson.build Signed-off-by: Taylor Simpson --- target/hexagon/mmvec/system_ext_mmvec.h | 29 +++++++++++++ target/hexagon/mmvec/system_ext_mmvec.c | 74 +++++++++++++++++++++++++++++= ++++ target/hexagon/meson.build | 1 + 3 files changed, 104 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..bc6ab4a --- /dev/null +++ b/target/hexagon/mmvec/system_ext_mmvec.h @@ -0,0 +1,29 @@ +/* + * 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, int slot, + target_ulong base_vaddr, int length, + int element_size); +void mem_vector_gather_init(CPUHexagonState *env, int slot, + target_ulong base_vaddr, int length, + int element_size); + +#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..44def07 --- /dev/null +++ b/target/hexagon/mmvec/system_ext_mmvec.c @@ -0,0 +1,74 @@ +/* + * 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->VRegs_updated_tmp =3D 0; + + 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, int slot, + target_ulong base_vaddr, + int length, int element_size) +{ + int i; + + for (i =3D 0; i < sizeof(MMVector); i++) { + env->vtcm_log.data.ub[i] =3D 0; + } + 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; + env->vtcm_log.size =3D sizeof(MMVector); +} + +void mem_vector_gather_init(CPUHexagonState *env, int slot, + target_ulong base_vaddr, + int length, int element_size) +{ + int i; + + for (i =3D 0; i < sizeof(MMVector); i++) { + env->vtcm_log.data.ub[i] =3D 0; + env->vtcm_log.va[i] =3D 0; + env->tmp_VRegs[0].ub[i] =3D 0; + } + bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES / 8); + env->vtcm_log.op =3D false; + env->vtcm_log.op_size =3D 0; + + /* + * Temp reg gets updated + * This allows store .new to grab the correct result + */ + env->VRegs_updated_tmp =3D 1; +} diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index 6fd9360..ed292b4 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -173,6 +173,7 @@ 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