From patchwork Wed May 19 18:30:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1481154 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: 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=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=O3Qoa0oP; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4FlhjW09Nhz9sRK for ; Thu, 20 May 2021 04:49:03 +1000 (AEST) Received: from localhost ([::1]:55866 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ljRFd-0004gb-0l for incoming@patchwork.ozlabs.org; Wed, 19 May 2021 14:49:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51778) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljQyt-0004V2-Qj for qemu-devel@nongnu.org; Wed, 19 May 2021 14:31:43 -0400 Received: from mail-ot1-x335.google.com ([2607:f8b0:4864:20::335]:34697) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ljQyc-0005nT-T7 for qemu-devel@nongnu.org; Wed, 19 May 2021 14:31:43 -0400 Received: by mail-ot1-x335.google.com with SMTP id u25-20020a0568302319b02902ac3d54c25eso12656971ote.1 for ; Wed, 19 May 2021 11:31:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5OwIdHlv3LdKR7MTqV9VCeiU1XRsbRl+uomjXUgH9RM=; b=O3Qoa0oPmKPLbGotezIODNmkKL+o2YtDJ94KujFPMzS44YcOFDtpke8ON87RcGjoJT 3CjDTU9b+FqycVqmAAesVfgEsyyLugMJ0bZFFmwfyZQVhuDfBLWE8R1zemeeqUKZescb h2dVTIT4aL0dLj20xIoparWGbIBdchE1DbzEOiPmjjH8/CQlKCdzOaEAaCL3Ifm5pJsx C6/BMBwLGXOrLrZC10UD1nv6aV9U53U0KiLby0Kxh1ZKBMuWK3Cr+mpw3rTp3m18DWmN 1zasu3q5/H7aNkdImOWKONQR9mullbsMg1tSy97xHzg61sQLq8gwCK5aEcQ/vzfSdyd6 uISg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5OwIdHlv3LdKR7MTqV9VCeiU1XRsbRl+uomjXUgH9RM=; b=a1dniCbtWQ/BtfGDoGlk44GPoe96I4vASinThyczGE7hVb0evNLK43NP4BGLvh+aRf FYbi882c5FXgUGZCGlIdTPyqm24KE4T7W92YZww3SSR5YWlJCLJjcK8moof1fExMt4Qt lkjXM7iW7ZYpZ/MazKFVJGmj7Y02tA7LxRpq56+oOvhlol9nfki6NmUoJdJiPg6Ze4u6 Bi/ZOkBIKav7B7oCspAs0W8ZMyZWGKHGLnM5pYCJMAhtAhPjWfekUqn9ciXT1C7+pizr yZMnVkN/Mu0CIJc6pZqECzJejH4cDTtgBSY9dCRn/7iuHDF3YktdRbfSBlLZQg+HJEYJ TCzA== X-Gm-Message-State: AOAM530UIvE8MHN27m4AnqBEvoNiKJrRhPiE0cEuSVbeFUsrK0F2O4E+ I3ouf9wvOeg2AwfsbDB5CW0WSSGdFzc99xC9 X-Google-Smtp-Source: ABdhPJw1sPW1F7KrlFYwLCKufDI5BUts4popzIYzquGSDf3fvJm4CLZzlB288NuMAOnh1nyoDHanHg== X-Received: by 2002:a9d:6244:: with SMTP id i4mr646702otk.182.1621449084717; Wed, 19 May 2021 11:31:24 -0700 (PDT) Received: from localhost.localdomain ([45.235.253.15]) by smtp.gmail.com with ESMTPSA id l9sm28428oou.43.2021.05.19.11.31.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 May 2021 11:31:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 33/50] target/i386: Eliminate SVM helpers for user-only Date: Wed, 19 May 2021 13:30:33 -0500 Message-Id: <20210519183050.875453-34-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210519183050.875453-1-richard.henderson@linaro.org> References: <20210519183050.875453-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::335; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x335.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: peter.maydell@linaro.org, Paolo Bonzini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Use STUB_HELPER to ensure that such calls are always eliminated. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini Message-Id: <20210514151342.384376-34-richard.henderson@linaro.org> --- target/i386/helper.h | 3 +-- target/i386/tcg/translate.c | 9 ++++++++ target/i386/tcg/user/svm_stubs.c | 38 -------------------------------- 3 files changed, 10 insertions(+), 40 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 7a09efd55b..d0f7f07c6c 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -107,8 +107,6 @@ DEF_HELPER_2(inl, tl, env, i32) #ifndef CONFIG_USER_ONLY DEF_HELPER_FLAGS_4(bpt_io, TCG_CALL_NO_WG, void, env, i32, i32, tl) -#endif /* !CONFIG_USER_ONLY */ - DEF_HELPER_3(svm_check_intercept_param, void, env, i32, i64) DEF_HELPER_4(svm_check_io, void, env, i32, i32, i32) DEF_HELPER_3(vmrun, void, env, int, int) @@ -118,6 +116,7 @@ DEF_HELPER_2(vmsave, void, env, int) DEF_HELPER_1(stgi, void, env) DEF_HELPER_1(clgi, void, env) DEF_HELPER_2(invlpga, void, env, int) +#endif /* !CONFIG_USER_ONLY */ /* x86 FPU */ diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index f7f84f79fe..b2a997fb30 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -193,7 +193,16 @@ typedef struct DisasContext { { qemu_build_not_reached(); } #ifdef CONFIG_USER_ONLY +STUB_HELPER(clgi, TCGv_env env) +STUB_HELPER(invlpga, TCGv_env env, TCGv_i32 aflag) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) +STUB_HELPER(stgi, TCGv_env env) +STUB_HELPER(svm_check_intercept_param, TCGv_env env, TCGv_i32 t, TCGv_i64 p) +STUB_HELPER(svm_check_io, TCGv_env env, TCGv_i32 port, TCGv_i32 p, TCGv_i32 a) +STUB_HELPER(vmload, TCGv_env env, TCGv_i32 aflag) +STUB_HELPER(vmmcall, TCGv_env env) +STUB_HELPER(vmrun, TCGv_env env, TCGv_i32 aflag, TCGv_i32 pc_ofs) +STUB_HELPER(vmsave, TCGv_env env, TCGv_i32 aflag) #endif static void gen_eob(DisasContext *s); diff --git a/target/i386/tcg/user/svm_stubs.c b/target/i386/tcg/user/svm_stubs.c index 63b37f0de6..48a43bdcea 100644 --- a/target/i386/tcg/user/svm_stubs.c +++ b/target/i386/tcg/user/svm_stubs.c @@ -22,51 +22,13 @@ #include "exec/helper-proto.h" #include "tcg/helper-tcg.h" -void helper_vmrun(CPUX86State *env, int aflag, int next_eip_addend) -{ -} - -void helper_vmmcall(CPUX86State *env) -{ -} - -void helper_vmload(CPUX86State *env, int aflag) -{ -} - -void helper_vmsave(CPUX86State *env, int aflag) -{ -} - -void helper_stgi(CPUX86State *env) -{ -} - -void helper_clgi(CPUX86State *env) -{ -} - -void helper_invlpga(CPUX86State *env, int aflag) -{ -} - void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1, uintptr_t retaddr) { assert(0); } -void helper_svm_check_intercept_param(CPUX86State *env, uint32_t type, - uint64_t param) -{ -} - void cpu_svm_check_intercept_param(CPUX86State *env, uint32_t type, uint64_t param, uintptr_t retaddr) { } - -void helper_svm_check_io(CPUX86State *env, uint32_t port, uint32_t param, - uint32_t next_eip_addend) -{ -}