From patchwork Tue May 2 03:15:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tyler Retzlaff X-Patchwork-Id: 126647 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E853442A38; Tue, 2 May 2023 05:16:32 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7577F42D42; Tue, 2 May 2023 05:15:54 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 64C36410FB for ; Tue, 2 May 2023 05:15:45 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1086) id F244521C3F1D; Mon, 1 May 2023 20:15:43 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com F244521C3F1D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1682997343; bh=U8fBf6+L/dc/zzYVgJ5T4l8jR24GWdImZv4rIvBjEzY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qtc+wLGPlb23gqAKJiQYSA6cjdQKe8B0RHDMc+EMZo6PNqHT5uiipn2f2ra3ofwAD af5a5WVGftSn52NnTySHKSTUuTVlhSMYuxIZNxQlZdn8mQmjBK0QDC6PaY4Wk3u0OH Lcot8uSaHV+vuBMbapC2fuXqLDkGwFJvkgTjERnQ= From: Tyler Retzlaff To: dev@dpdk.org Cc: bruce.richardson@intel.com, david.marchand@redhat.com, thomas@monjalon.net, mb@smartsharesystems.com, konstantin.ananyev@huawei.com, Tyler Retzlaff Subject: [PATCH v8 05/14] eal: use umonitor umwait and tpause intrinsics Date: Mon, 1 May 2023 20:15:32 -0700 Message-Id: <1682997341-2271-6-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1682997341-2271-1-git-send-email-roretzla@linux.microsoft.com> References: <1680558751-17931-1-git-send-email-roretzla@linux.microsoft.com> <1682997341-2271-1-git-send-email-roretzla@linux.microsoft.com> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Inline assembly is not supported for MSVC x64 instead use _umonitor, _umwait and _tpause intrinsics. Signed-off-by: Tyler Retzlaff Acked-by: Morten Brørup Acked-by: Konstantin Ananyev --- lib/eal/x86/rte_power_intrinsics.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lib/eal/x86/rte_power_intrinsics.c b/lib/eal/x86/rte_power_intrinsics.c index f749da9..4066d13 100644 --- a/lib/eal/x86/rte_power_intrinsics.c +++ b/lib/eal/x86/rte_power_intrinsics.c @@ -109,9 +109,13 @@ */ /* set address for UMONITOR */ +#if defined(RTE_TOOLCHAIN_MSVC) || defined(__WAITPKG__) + _umonitor(pmc->addr); +#else asm volatile(".byte 0xf3, 0x0f, 0xae, 0xf7;" : : "D"(pmc->addr)); +#endif /* now that we've put this address into monitor, we can unlock */ rte_spinlock_unlock(&s->lock); @@ -123,10 +127,14 @@ goto end; /* execute UMWAIT */ +#if defined(RTE_TOOLCHAIN_MSVC) || defined(__WAITPKG__) + _umwait(tsc_l, tsc_h); +#else asm volatile(".byte 0xf2, 0x0f, 0xae, 0xf7;" : /* ignore rflags */ : "D"(0), /* enter C0.2 */ "a"(tsc_l), "d"(tsc_h)); +#endif end: /* erase sleep address */ @@ -153,10 +161,14 @@ return -ENOTSUP; /* execute TPAUSE */ +#if defined(RTE_TOOLCHAIN_MSVC) || defined(__WAITPKG__) + _tpause(tsc_l, tsc_h); +#else asm volatile(".byte 0x66, 0x0f, 0xae, 0xf7;" : /* ignore rflags */ : "D"(0), /* enter C0.2 */ "a"(tsc_l), "d"(tsc_h)); +#endif return 0; }