From nobody Mon Feb 9 16:35:03 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1493107309551857.3271613885579; Tue, 25 Apr 2017 01:01:49 -0700 (PDT) Received: from localhost ([::1]:47606 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d2vPw-000659-6A for importer@patchew.org; Tue, 25 Apr 2017 04:01:48 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33977) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d2vIp-0008Qs-Up for qemu-devel@nongnu.org; Tue, 25 Apr 2017 03:54:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d2vIo-0000pQ-Tw for qemu-devel@nongnu.org; Tue, 25 Apr 2017 03:54:28 -0400 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:33111) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d2vIj-0000gQ-IM; Tue, 25 Apr 2017 03:54:21 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 1561821F27; Tue, 25 Apr 2017 03:54:04 -0400 (EDT) Received: from frontend1 ([10.202.2.160]) by compute4.internal (MEProxy); Tue, 25 Apr 2017 03:54:05 -0400 Received: from localhost (flamenco.cs.columbia.edu [128.59.20.216]) by mail.messagingengine.com (Postfix) with ESMTPA id 3010F7E0EE; Tue, 25 Apr 2017 03:54:04 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=braap.org; h=cc :date:from:in-reply-to:message-id:references:subject:to :x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=Jix Jy7yYijVMjf62Jc70ezCslLHadK66n72hzWnGTts=; b=fWQsJTpqYth6QiLjTu4 4jP2ljKdIRLQuoH+8vVTeV9uWSSp6e/GTAZf2Scy+RGhLy6rq/vkJJNiyzd1uWZ3 hjRbJH2uMclqBWuMF4ivoAWeYv8Wxk8YOrjFsIhsY2PXOQ3gR84uoumDj3lc5ASi jESMIj/nXJdWHprb0N+Yqedw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:date:from:in-reply-to:message-id :references:subject:to:x-me-sender:x-me-sender:x-sasl-enc :x-sasl-enc; s=fm1; bh=JixJy7yYijVMjf62Jc70ezCslLHadK66n72hzWnGT ts=; b=JFNdzMdE14Lgl0jC7KAlU+X/mNmL4bDs3wzBILYPMFeuTchH6T9tjgcTh w0DEy2WEq5m4do8snNWKa1Vn0aKKaZORKeYmHQ4oNOmHAgotPXK7GnAZUwSWlRif bFX+rt/+aXsGZE+oZlRFC1N9MVHXS+mEoEvrjQK48yMMvbDO9lVmudVSYOmIqLui /kwSvUO/YQhpv5aTPAjwPxaoRJRQWJCy/HIEoDgkl4U7d2jQ3lc9UH69DgjRKcLJ RlDe/fafQwH5684TJzK6LOl9SRJPWBu/upx6ZcEXI1Qv5XtCYBA+Kh3F9CxO4Iub JYwHILI7/EUf/StlJjkfQVo3uQKIw== X-ME-Sender: X-Sasl-enc: McD5e5gLPM3vm2Z62yNR3HgI4wlwRuVbhondrqX23xnS 1493106844 From: "Emilio G. Cota" To: qemu-devel@nongnu.org Date: Tue, 25 Apr 2017 03:53:51 -0400 Message-Id: <1493106839-10438-6-git-send-email-cota@braap.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1493106839-10438-1-git-send-email-cota@braap.org> References: <1493106839-10438-1-git-send-email-cota@braap.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.111.4.28 Subject: [Qemu-devel] [PATCH v2 05/13] tcg-runtime: add lookup_tb_ptr helper 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: Peter Maydell , Eduardo Habkost , Peter Crosthwaite , Stefan Weil , Alexander Graf , alex.bennee@linaro.org, qemu-arm@nongnu.org, Pranith Kumar , Paolo Bonzini , Aurelien Jarno , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Emilio G. Cota Reviewed-by: Richard Henderson --- tcg-runtime.c | 7 +++++++ tcg/tcg-runtime.h | 2 ++ tcg/tcg.h | 1 + 3 files changed, 10 insertions(+) diff --git a/tcg-runtime.c b/tcg-runtime.c index 4c60c96..f291184 100644 --- a/tcg-runtime.c +++ b/tcg-runtime.c @@ -141,6 +141,13 @@ uint64_t HELPER(ctpop_i64)(uint64_t arg) return ctpop64(arg); } =20 +void *HELPER(lookup_tb_ptr)(CPUArchState *env, target_ulong addr) +{ + TranslationBlock *tb =3D tb_from_jmp_cache(env, addr); + + return tb ? tb->tc_ptr : tcg_ctx.code_gen_epilogue; +} + void HELPER(exit_atomic)(CPUArchState *env) { cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC()); diff --git a/tcg/tcg-runtime.h b/tcg/tcg-runtime.h index 114ea6f..c41d38a 100644 --- a/tcg/tcg-runtime.h +++ b/tcg/tcg-runtime.h @@ -24,6 +24,8 @@ DEF_HELPER_FLAGS_1(clrsb_i64, TCG_CALL_NO_RWG_SE, i64, i6= 4) DEF_HELPER_FLAGS_1(ctpop_i32, TCG_CALL_NO_RWG_SE, i32, i32) DEF_HELPER_FLAGS_1(ctpop_i64, TCG_CALL_NO_RWG_SE, i64, i64) =20 +DEF_HELPER_FLAGS_2(lookup_tb_ptr, TCG_CALL_NO_WG_SE, ptr, env, tl) + DEF_HELPER_FLAGS_1(exit_atomic, TCG_CALL_NO_WG, noreturn, env) =20 #ifdef CONFIG_SOFTMMU diff --git a/tcg/tcg.h b/tcg/tcg.h index b26f0ef..625e2aa 100644 --- a/tcg/tcg.h +++ b/tcg/tcg.h @@ -647,6 +647,7 @@ struct TCGContext { GHashTable *helpers; =20 void *code_gen_prologue; + void *code_gen_epilogue; void *code_gen_buffer; size_t code_gen_buffer_size; =20 --=20 2.7.4