From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77D9AC433DB for ; Thu, 28 Jan 2021 09:44:40 +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 06AD864DA1 for ; Thu, 28 Jan 2021 09:44:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 06AD864DA1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36862 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l53qx-0001dE-2x for qemu-devel@archiver.kernel.org; Thu, 28 Jan 2021 04:44:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:36918) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l53bZ-0001Tu-Mv for qemu-devel@nongnu.org; Thu, 28 Jan 2021 04:28:45 -0500 Received: from mx2.suse.de ([195.135.220.15]:38120) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l53bW-0001zo-PH for qemu-devel@nongnu.org; Thu, 28 Jan 2021 04:28:45 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5AC88B03C; Thu, 28 Jan 2021 09:28:27 +0000 (UTC) From: Claudio Fontana To: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Paolo Bonzini , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Eduardo Habkost , Peter Maydell Subject: [PATCH v14 14/22] cpu: move debug_check_watchpoint to tcg_ops Date: Thu, 28 Jan 2021 10:28:06 +0100 Message-Id: <20210128092814.8676-15-cfontana@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210128092814.8676-1-cfontana@suse.de> References: <20210128092814.8676-1-cfontana@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=195.135.220.15; envelope-from=cfontana@suse.de; helo=mx2.suse.de X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Laurent Vivier , Thomas Huth , qemu-devel@nongnu.org, Roman Bolshakov , Alistair Francis , Claudio Fontana Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" commit 568496c0c0f1 ("cpu: Add callback to check architectural") and commit 3826121d9298 ("target-arm: Implement checking of fired") introduced an ARM-specific hack for cpu_check_watchpoint. Make debug_check_watchpoint optional, and move it to tcg_ops. Signed-off-by: Claudio Fontana --- include/hw/core/cpu.h | 9 ++++++--- accel/tcg/user-exec.c | 3 ++- hw/core/cpu.c | 9 --------- softmmu/physmem.c | 4 ++-- target/arm/cpu.c | 4 ++-- 5 files changed, 12 insertions(+), 17 deletions(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index d6c6d32865..406e8a8606 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -143,6 +143,12 @@ typedef struct TcgCpuOperations { */ vaddr (*adjust_watchpoint_address)(CPUState *cpu, vaddr addr, int len); + /** + * @debug_check_watchpoint: return true if the architectural + * watchpoint whose address has matched should really fire, used by ARM + */ + bool (*debug_check_watchpoint)(CPUState *cpu, CPUWatchpoint *wp); + #endif /* CONFIG_SOFTMMU */ #endif /* NEED_CPU_H */ @@ -183,8 +189,6 @@ typedef struct TcgCpuOperations { * a memory access with the specified memory transaction attributes. * @gdb_read_register: Callback for letting GDB read a register. * @gdb_write_register: Callback for letting GDB write a register. - * @debug_check_watchpoint: Callback: return true if the architectural - * watchpoint whose address has matched should really fire. * @write_elf64_note: Callback for writing a CPU-specific ELF note to a * 64-bit VM coredump. * @write_elf32_qemunote: Callback for writing a CPU- and QEMU-specific ELF @@ -238,7 +242,6 @@ struct CPUClass { int (*asidx_from_attrs)(CPUState *cpu, MemTxAttrs attrs); int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg); int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg); - bool (*debug_check_watchpoint)(CPUState *cpu, CPUWatchpoint *wp); int (*write_elf64_note)(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque); diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 5509dd53e9..9e6e188d19 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -187,7 +187,8 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info, clear_helper_retaddr(); cc = CPU_GET_CLASS(cpu); - cc->tcg_ops.tlb_fill(cpu, address, 0, access_type, MMU_USER_IDX, false, pc); + cc->tcg_ops.tlb_fill(cpu, address, 0, access_type, + MMU_USER_IDX, false, pc); g_assert_not_reached(); } diff --git a/hw/core/cpu.c b/hw/core/cpu.c index 3d5bf9fe02..00330ba07d 100644 --- a/hw/core/cpu.c +++ b/hw/core/cpu.c @@ -186,14 +186,6 @@ static int cpu_common_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg) return 0; } -static bool cpu_common_debug_check_watchpoint(CPUState *cpu, CPUWatchpoint *wp) -{ - /* If no extra check is required, QEMU watchpoint match can be considered - * as an architectural match. - */ - return true; -} - static bool cpu_common_virtio_is_big_endian(CPUState *cpu) { return target_words_bigendian(); @@ -415,7 +407,6 @@ static void cpu_class_init(ObjectClass *klass, void *data) k->gdb_read_register = cpu_common_gdb_read_register; k->gdb_write_register = cpu_common_gdb_write_register; k->virtio_is_big_endian = cpu_common_virtio_is_big_endian; - k->debug_check_watchpoint = cpu_common_debug_check_watchpoint; set_bit(DEVICE_CATEGORY_CPU, dc->categories); dc->realize = cpu_common_realizefn; dc->unrealize = cpu_common_unrealizefn; diff --git a/softmmu/physmem.c b/softmmu/physmem.c index c5cf9b839e..e85059f9c6 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -917,8 +917,8 @@ void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len, wp->hitaddr = MAX(addr, wp->vaddr); wp->hitattrs = attrs; if (!cpu->watchpoint_hit) { - if (wp->flags & BP_CPU && - !cc->debug_check_watchpoint(cpu, wp)) { + if (wp->flags & BP_CPU && cc->tcg_ops.debug_check_watchpoint && + !cc->tcg_ops.debug_check_watchpoint(cpu, wp)) { wp->flags &= ~BP_WATCHPOINT_HIT; continue; } diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 2a14431065..c9a66d3103 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2280,12 +2280,12 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data) cc->tcg_ops.synchronize_from_tb = arm_cpu_synchronize_from_tb; cc->tcg_ops.tlb_fill = arm_cpu_tlb_fill; cc->tcg_ops.debug_excp_handler = arm_debug_excp_handler; - cc->debug_check_watchpoint = arm_debug_check_watchpoint; #if !defined(CONFIG_USER_ONLY) + cc->tcg_ops.do_interrupt = arm_cpu_do_interrupt; cc->tcg_ops.do_transaction_failed = arm_cpu_do_transaction_failed; cc->tcg_ops.do_unaligned_access = arm_cpu_do_unaligned_access; cc->tcg_ops.adjust_watchpoint_address = arm_adjust_watchpoint_address; - cc->tcg_ops.do_interrupt = arm_cpu_do_interrupt; + cc->tcg_ops.debug_check_watchpoint = arm_debug_check_watchpoint; #endif /* CONFIG_TCG && !CONFIG_USER_ONLY */ #endif /* CONFIG_TCG */ } -- 2.26.2