From patchwork Fri Feb 28 16:43:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 11412903 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ECD38924 for ; Fri, 28 Feb 2020 16:58:50 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C32C924672 for ; Fri, 28 Feb 2020 16:58:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="EPssFPKF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C32C924672 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=quicinc.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:50802 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7iyP-0000hP-Ux for patchwork-qemu-devel@patchwork.kernel.org; Fri, 28 Feb 2020 11:58:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57744) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7ike-0002p8-CP for qemu-devel@nongnu.org; Fri, 28 Feb 2020 11:44:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j7ika-0005Wh-6g for qemu-devel@nongnu.org; Fri, 28 Feb 2020 11:44:36 -0500 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:27026) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j7ikZ-0005U4-TI for qemu-devel@nongnu.org; Fri, 28 Feb 2020 11:44:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1582908271; x=1614444271; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CcOpbHCSMA9Bb0jyJJUiUMOaavTO8Vk2xYjnAlXiTZ8=; b=EPssFPKFwWa9x93arGJ9C9lmbkIM+nZ60sO3a7frrcOD6zNYvTmA0Il8 SObOXJ4mHxexIZrb4k9MAc4yE1+xq+16HC28zi8bmBiZH32ANo1WwTHHY qrNtLH9lxES65wVx5tbMggAbEVajNh3hV6UxAzNn/4wmng4hG4Zcl0Pjq c=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 28 Feb 2020 08:44:29 -0800 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg01-sd.qualcomm.com with ESMTP; 28 Feb 2020 08:44:28 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 04C481102; Fri, 28 Feb 2020 10:44:28 -0600 (CST) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 11/67] Hexagon register fields Date: Fri, 28 Feb 2020 10:43:07 -0600 Message-Id: <1582908244-304-12-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> References: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 199.106.114.39 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: riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, Taylor Simpson , philmd@redhat.com, aleksandar.m.mail@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Declare bitfields within registers such as user status register (USR) Signed-off-by: Taylor Simpson --- target/hexagon/reg_fields.h | 40 +++++++++++++++ target/hexagon/reg_fields_def.h | 109 ++++++++++++++++++++++++++++++++++++++++ target/hexagon/reg_fields.c | 28 +++++++++++ 3 files changed, 177 insertions(+) create mode 100644 target/hexagon/reg_fields.h create mode 100644 target/hexagon/reg_fields_def.h create mode 100644 target/hexagon/reg_fields.c diff --git a/target/hexagon/reg_fields.h b/target/hexagon/reg_fields.h new file mode 100644 index 0000000..cf168f0 --- /dev/null +++ b/target/hexagon/reg_fields.h @@ -0,0 +1,40 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * 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_REG_FIELDS_H +#define HEXAGON_REG_FIELDS_H + +#define NUM_GEN_REGS 32 + +typedef struct { + const char *name; + int offset; + int width; + const char *description; +} reg_field_t; + +extern reg_field_t reg_field_info[]; + +enum reg_fields_enum { +#define DEF_REG_FIELD(TAG, NAME, START, WIDTH, DESCRIPTION) \ + TAG, +#include "reg_fields_def.h" + NUM_REG_FIELDS +#undef DEF_REG_FIELD +}; + +#endif diff --git a/target/hexagon/reg_fields_def.h b/target/hexagon/reg_fields_def.h new file mode 100644 index 0000000..20ccc3e --- /dev/null +++ b/target/hexagon/reg_fields_def.h @@ -0,0 +1,109 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * 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 . + */ + +/* + * For registers that have individual fields, explain them here + * DEF_REG_FIELD(tag, + * name, + * bit start offset, + * width, + * description + */ + +/* USR fields */ +DEF_REG_FIELD(USR_OVF, + "ovf", 0, 1, + "Sticky Saturation Overflow - " + "Set when saturation occurs while executing instruction that specifies " + "optional saturation, remains set until explicitly cleared by a USR=Rs " + "instruction.") +DEF_REG_FIELD(USR_FPINVF, + "fpinvf", 1, 1, + "Floating-point IEEE Invalid Sticky Flag.") +DEF_REG_FIELD(USR_FPDBZF, + "fpdbzf", 2, 1, + "Floating-point IEEE Divide-By-Zero Sticky Flag.") +DEF_REG_FIELD(USR_FPOVFF, + "fpovff", 3, 1, + "Floating-point IEEE Overflow Sticky Flag.") +DEF_REG_FIELD(USR_FPUNFF, + "fpunff", 4, 1, + "Floating-point IEEE Underflow Sticky Flag.") +DEF_REG_FIELD(USR_FPINPF, + "fpinpf", 5, 1, + "Floating-point IEEE Inexact Sticky Flag.") + +DEF_REG_FIELD(USR_LPCFG, + "lpcfg", 8, 2, + "Hardware Loop Configuration: " + "Number of loop iterations (0-3) remaining before pipeline predicate " + "should be set.") +DEF_REG_FIELD(USR_PKTCNT_U, + "pktcnt_u", 10, 1, + "Enable packet counting in User mode.") +DEF_REG_FIELD(USR_PKTCNT_G, + "pktcnt_g", 11, 1, + "Enable packet counting in Guest mode.") +DEF_REG_FIELD(USR_PKTCNT_M, + "pktcnt_m", 12, 1, + "Enable packet counting in Monitor mode.") +DEF_REG_FIELD(USR_HFD, + "hfd", 13, 2, + "Two bits that let the user control the amount of L1 hardware data cache " + "prefetching (up to 4 cache lines): " + "00: No prefetching, " + "01: Prefetch Loads with post-updating address mode when execution is " + "within a hardware loop, " + "10: Prefetch any hardware-detected striding Load when execution is within " + "a hardware loop, " + "11: Prefetch any hardware-detected striding Load.") +DEF_REG_FIELD(USR_HFI, + "hfi", 15, 2, + "Two bits that let the user control the amount of L1 instruction cache " + "prefetching. " + "00: No prefetching, " + "01: Allow prefetching of at most 1 additional cache line, " + "10: Allow prefetching of at most 2 additional cache lines.") + +DEF_REG_FIELD(USR_FPRND, + "fprnd", 22, 2, + "Rounding Mode for Floating-Point Instructions: " + "00: Round to nearest, ties to even (default), " + "01: Toward zero, " + "10: Downward (toward negative infinity), " + "11: Upward (toward positive infinity).") + +DEF_REG_FIELD(USR_FPINVE, + "fpinve", 25, 1, + "Enable trap on IEEE Invalid.") +DEF_REG_FIELD(USR_FPDBZE, + "fpdbze", 26, 1, "Enable trap on IEEE Divide-By-Zero.") +DEF_REG_FIELD(USR_FPOVFE, + "fpovfe", 27, 1, + "Enable trap on IEEE Overflow.") +DEF_REG_FIELD(USR_FPUNFE, + "fpunfe", 28, 1, + "Enable trap on IEEE Underflow.") +DEF_REG_FIELD(USR_FPINPE, + "fpinpe", 29, 1, + "Enable trap on IEEE Inexact.") +DEF_REG_FIELD(USR_PFA, + "pfa", 31, 1, + "L2 Prefetch Active: Set when non-blocking l2fetch instruction is " + "prefetching requested data, remains set until l2fetch prefetch operation " + "is completed (or not active).") /* read-only */ + diff --git a/target/hexagon/reg_fields.c b/target/hexagon/reg_fields.c new file mode 100644 index 0000000..2a3e4f5a --- /dev/null +++ b/target/hexagon/reg_fields.c @@ -0,0 +1,28 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * 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 "reg_fields.h" + +reg_field_t reg_field_info[] = { +#define DEF_REG_FIELD(TAG, NAME, START, WIDTH, DESCRIPTION) \ + {NAME, START, WIDTH, DESCRIPTION}, +#include "reg_fields_def.h" + {NULL, 0, 0} +#undef DEF_REG_FIELD +}; +