From patchwork Thu Jan 13 11:39:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 12712619 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 2398FC433F5 for ; Thu, 13 Jan 2022 12:01:46 +0000 (UTC) Received: from localhost ([::1]:53446 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n7ynY-0004g7-VF for qemu-devel@archiver.kernel.org; Thu, 13 Jan 2022 07:01:45 -0500 Received: from eggs.gnu.org ([209.51.188.92]:34048) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n7yYg-0001P5-Bs; Thu, 13 Jan 2022 06:46:22 -0500 Received: from out28-193.mail.aliyun.com ([115.124.28.193]:37436) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n7yYe-0003km-Hz; Thu, 13 Jan 2022 06:46:22 -0500 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07448927|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_alarm|0.0061735-0.00216247-0.991664; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047198; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=9; RT=8; SR=0; TI=SMTPD_---.Mb1KoB6_1642074375; Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.Mb1KoB6_1642074375) by smtp.aliyun-inc.com(10.147.42.16); Thu, 13 Jan 2022 19:46:16 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v6 12/22] target/riscv: Alloc tcg global for cur_pm[mask|base] Date: Thu, 13 Jan 2022 19:39:54 +0800 Message-Id: <20220113114004.286796-13-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220113114004.286796-1-zhiwei_liu@c-sky.com> References: <20220113114004.286796-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Received-SPF: none client-ip=115.124.28.193; envelope-from=zhiwei_liu@c-sky.com; helo=out28-193.mail.aliyun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=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: guoren@linux.alibaba.com, bin.meng@windriver.com, richard.henderson@linaro.org, palmer@dabbelt.com, Alistair Francis , LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Replace the array of pm_mask/pm_base with scalar variables. Remove the cached array value in DisasContext. Signed-off-by: LIU Zhiwei Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/translate.c | 32 ++++++++------------------------ 1 file changed, 8 insertions(+), 24 deletions(-) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index d8b7c48600..4a8b091790 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -38,8 +38,8 @@ static TCGv_i64 cpu_fpr[32]; /* assume F and D extensions */ static TCGv load_res; static TCGv load_val; /* globals for PM CSRs */ -static TCGv pm_mask[4]; -static TCGv pm_base[4]; +static TCGv pm_mask; +static TCGv pm_base; #include "exec/gen-icount.h" @@ -107,8 +107,6 @@ typedef struct DisasContext { TCGv temp[4]; /* PointerMasking extension */ bool pm_enabled; - TCGv pm_mask; - TCGv pm_base; } DisasContext; static inline bool has_ext(DisasContext *ctx, uint32_t ext) @@ -401,8 +399,8 @@ static TCGv gen_pm_adjust_address(DisasContext *s, TCGv src) return src; } else { temp = temp_new(s); - tcg_gen_andc_tl(temp, src, s->pm_mask); - tcg_gen_or_tl(temp, temp, s->pm_base); + tcg_gen_andc_tl(temp, src, pm_mask); + tcg_gen_or_tl(temp, temp, pm_base); return temp; } } @@ -925,10 +923,6 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) ctx->ntemp = 0; memset(ctx->temp, 0, sizeof(ctx->temp)); ctx->pm_enabled = FIELD_EX32(tb_flags, TB_FLAGS, PM_ENABLED); - int priv = tb_flags & TB_FLAGS_PRIV_MMU_MASK; - ctx->pm_mask = pm_mask[priv]; - ctx->pm_base = pm_base[priv]; - ctx->zero = tcg_constant_tl(0); } @@ -1046,19 +1040,9 @@ void riscv_translate_init(void) "load_res"); load_val = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, load_val), "load_val"); -#ifndef CONFIG_USER_ONLY /* Assign PM CSRs to tcg globals */ - pm_mask[PRV_U] = - tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, upmmask), "upmmask"); - pm_base[PRV_U] = - tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, upmbase), "upmbase"); - pm_mask[PRV_S] = - tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, spmmask), "spmmask"); - pm_base[PRV_S] = - tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, spmbase), "spmbase"); - pm_mask[PRV_M] = - tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, mpmmask), "mpmmask"); - pm_base[PRV_M] = - tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, mpmbase), "mpmbase"); -#endif + pm_mask = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, cur_pmmask), + "pmmask"); + pm_base = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, cur_pmbase), + "pmbase"); }