From patchwork Wed Jun 21 10:19:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Zhong X-Patchwork-Id: 9801537 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D74F5600C5 for ; Wed, 21 Jun 2017 10:34:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C52BC28569 for ; Wed, 21 Jun 2017 10:34:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B82E428595; Wed, 21 Jun 2017 10:34:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2741528569 for ; Wed, 21 Jun 2017 10:34:29 +0000 (UTC) Received: from localhost ([::1]:52947 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dNcxw-0005vu-8B for patchwork-qemu-devel@patchwork.kernel.org; Wed, 21 Jun 2017 06:34:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55874) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dNckW-0002bH-JH for qemu-devel@nongnu.org; Wed, 21 Jun 2017 06:20:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dNckS-0005AH-L9 for qemu-devel@nongnu.org; Wed, 21 Jun 2017 06:20:36 -0400 Received: from mga14.intel.com ([192.55.52.115]:6553) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dNckS-0004zB-DV for qemu-devel@nongnu.org; Wed, 21 Jun 2017 06:20:32 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Jun 2017 03:20:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,368,1493708400"; d="scan'208";a="983451156" Received: from yangzhon-virtual.bj.intel.com ([10.238.145.52]) by orsmga003.jf.intel.com with ESMTP; 21 Jun 2017 03:20:30 -0700 From: Yang Zhong To: pbonzini@redhat.com Date: Wed, 21 Jun 2017 18:19:55 +0800 Message-Id: <1498040401-16361-10-git-send-email-yang.zhong@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1498040401-16361-1-git-send-email-yang.zhong@intel.com> References: <1498040401-16361-1-git-send-email-yang.zhong@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.115 Subject: [Qemu-devel] [PATCH 09/15] tcg: add the tcg-stub.c file into accel/stubs/ X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yang Zhong , anthony.xu@intel.com, qemu-devel@nongnu.org, a.rigo@virtualopensystems.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP If tcg is disabled, the functions in tcg-stub.c file will be called. Signed-off-by: Yang Zhong --- accel/stubs/Makefile.objs | 1 + accel/stubs/tcg-stub.c | 103 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 104 insertions(+) create mode 100644 accel/stubs/tcg-stub.c diff --git a/accel/stubs/Makefile.objs b/accel/stubs/Makefile.objs index bd5794f..fdfbf73 100644 --- a/accel/stubs/Makefile.objs +++ b/accel/stubs/Makefile.objs @@ -1 +1,2 @@ obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o +obj-$(call lnot,$(CONFIG_TCG)) += tcg-stub.o diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c new file mode 100644 index 0000000..12c41dd --- /dev/null +++ b/accel/stubs/tcg-stub.c @@ -0,0 +1,103 @@ +/* + * QEMU TCG accelerator stub + * + * Copyright Red Hat, Inc. 2013 + * + * Author: Paolo Bonzini + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "cpu.h" +#include "tcg/tcg.h" +#include "exec/cpu-common.h" +#include "exec/exec-all.h" +#include "translate-all.h" +#include "exec/cpu-all.h" + +void tb_flush(CPUState *cpu) +{ +} + +void tb_invalidate_phys_page_fast(tb_page_addr_t start, int len) +{ +} + +void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end) +{ +} + +void tb_check_watchpoint(CPUState *cpu) +{ +} + +TranslationBlock *tb_gen_code(CPUState *cpu, + target_ulong pc, target_ulong cs_base, + uint32_t flags, int cflags) +{ + return NULL; +} + +void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length) +{ +} + +void tlb_set_dirty(CPUState *cpu, target_ulong vaddr) +{ +} + +bool cpu_restore_state(CPUState *cpu, uintptr_t searched_pc) +{ + return false; +} + +void update_fp_status(CPUX86State *env) +{ +} + +void dump_exec_info(FILE *f, fprintf_function cpu_fprintf) +{ +} + +void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf) +{ +} + +void cpu_loop_exit(CPUState *cpu) +{ + abort(); +} + +void cpu_loop_exit_noexc(CPUState *cpu) +{ + abort(); +} + +void raise_exception(CPUX86State *env, int exception_index) +{ + abort(); +} + +void raise_exception_err_ra(CPUX86State *env, int exception_index, + int error_code, uintptr_t retaddr) +{ + abort(); +} + +void x86_cpu_do_interrupt(CPUState *cs) +{ +} + +bool x86_cpu_exec_interrupt(CPUState *cs, int interrupt_request) +{ + return false; +} + +int cpu_exec(CPUState *cpu) +{ + abort(); +}