From patchwork Thu Aug 24 09:23:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 1825237 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RWd822lwLz1yfF for ; Thu, 24 Aug 2023 19:29:22 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qZ6am-0005FM-5o; Thu, 24 Aug 2023 05:25:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qZ6a8-00042T-4g for qemu-devel@nongnu.org; Thu, 24 Aug 2023 05:24:53 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qZ6a3-0003az-Fh for qemu-devel@nongnu.org; Thu, 24 Aug 2023 05:24:47 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxRvHDIedkaHkbAA--.56130S3; Thu, 24 Aug 2023 17:24:19 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxJ826IedkJjhiAA--.40637S18; Thu, 24 Aug 2023 17:24:19 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: stefanha@redhat.com, richard.henderson@linaro.org, Jiajie Chen , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 16/31] target/loongarch: Extract set_pc() helper Date: Thu, 24 Aug 2023 17:23:54 +0800 Message-Id: <20230824092409.1492470-17-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230824092409.1492470-1-gaosong@loongson.cn> References: <20230824092409.1492470-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxJ826IedkJjhiAA--.40637S18 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn 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, 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Jiajie Chen Signed-off-by: Jiajie Chen Co-authored-by: Richard Henderson Reviewed-by: Richard Henderson Signed-off-by: Song Gao Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20230822032724.1353391-6-gaosong@loongson.cn> [PMD: Extract helper from bigger patch] Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20230822071405.35386-9-philmd@linaro.org> --- target/loongarch/cpu.c | 16 ++++++++-------- target/loongarch/cpu.h | 5 +++++ target/loongarch/gdbstub.c | 2 +- target/loongarch/op_helper.c | 4 ++-- 4 files changed, 16 insertions(+), 11 deletions(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 822f2a72e5..67eb6c3135 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -81,7 +81,7 @@ static void loongarch_cpu_set_pc(CPUState *cs, vaddr value) LoongArchCPU *cpu = LOONGARCH_CPU(cs); CPULoongArchState *env = &cpu->env; - env->pc = value; + set_pc(env, value); } static vaddr loongarch_cpu_get_pc(CPUState *cs) @@ -168,7 +168,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) set_DERA: env->CSR_DERA = env->pc; env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DST, 1); - env->pc = env->CSR_EENTRY + 0x480; + set_pc(env, env->CSR_EENTRY + 0x480); break; case EXCCODE_INT: if (FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)) { @@ -249,7 +249,8 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) /* Find the highest-priority interrupt. */ vector = 31 - clz32(pending); - env->pc = env->CSR_EENTRY + (EXCCODE_EXTERNAL_INT + vector) * vec_size; + set_pc(env, env->CSR_EENTRY + \ + (EXCCODE_EXTERNAL_INT + vector) * vec_size); qemu_log_mask(CPU_LOG_INT, "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx " cause %d\n" " A " TARGET_FMT_lx " D " @@ -260,10 +261,9 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) env->CSR_ECFG, env->CSR_ESTAT); } else { if (tlbfill) { - env->pc = env->CSR_TLBRENTRY; + set_pc(env, env->CSR_TLBRENTRY); } else { - env->pc = env->CSR_EENTRY; - env->pc += EXCODE_MCODE(cause) * vec_size; + set_pc(env, env->CSR_EENTRY + EXCODE_MCODE(cause) * vec_size); } qemu_log_mask(CPU_LOG_INT, "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx @@ -324,7 +324,7 @@ static void loongarch_cpu_synchronize_from_tb(CPUState *cs, CPULoongArchState *env = &cpu->env; tcg_debug_assert(!(cs->tcg_cflags & CF_PCREL)); - env->pc = tb->pc; + set_pc(env, tb->pc); } static void loongarch_restore_state_to_opc(CPUState *cs, @@ -334,7 +334,7 @@ static void loongarch_restore_state_to_opc(CPUState *cs, LoongArchCPU *cpu = LOONGARCH_CPU(cs); CPULoongArchState *env = &cpu->env; - env->pc = data[0]; + set_pc(env, data[0]); } #endif /* CONFIG_TCG */ diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 72109095e4..e1562695e8 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -443,6 +443,11 @@ static inline bool is_va32(CPULoongArchState *env) return va32; } +static inline void set_pc(CPULoongArchState *env, uint64_t value) +{ + env->pc = value; +} + /* * LoongArch CPUs hardware flags. */ diff --git a/target/loongarch/gdbstub.c b/target/loongarch/gdbstub.c index a462e25737..e20b20f99b 100644 --- a/target/loongarch/gdbstub.c +++ b/target/loongarch/gdbstub.c @@ -77,7 +77,7 @@ int loongarch_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) env->gpr[n] = tmp; length = read_length; } else if (n == 33) { - env->pc = tmp; + set_pc(env, tmp); length = read_length; } return length; diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index 60335a05e2..cf84f20aba 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -114,14 +114,14 @@ void helper_ertn(CPULoongArchState *env) env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR, 0); env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 0); env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 1); - env->pc = env->CSR_TLBRERA; + set_pc(env, env->CSR_TLBRERA); qemu_log_mask(CPU_LOG_INT, "%s: TLBRERA " TARGET_FMT_lx "\n", __func__, env->CSR_TLBRERA); } else { csr_pplv = FIELD_EX64(env->CSR_PRMD, CSR_PRMD, PPLV); csr_pie = FIELD_EX64(env->CSR_PRMD, CSR_PRMD, PIE); - env->pc = env->CSR_ERA; + set_pc(env, env->CSR_ERA); qemu_log_mask(CPU_LOG_INT, "%s: ERA " TARGET_FMT_lx "\n", __func__, env->CSR_ERA); }