From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3A26142FBA; Wed, 2 Aug 2023 23:36:26 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D83CF4327C; Wed, 2 Aug 2023 23:35:36 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 51FE9410DC for ; Wed, 2 Aug 2023 23:35:25 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1086) id E7873238C44C; Wed, 2 Aug 2023 14:35:23 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E7873238C44C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1691012123; bh=U8fBf6+L/dc/zzYVgJ5T4l8jR24GWdImZv4rIvBjEzY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SQQAy5aZ4hq48wlHDGGmD78CYa+xQUfmULNneRlFXvzxFq6lKMyvIeR+i9ZG5QQUa krhTd0KYCNCB2gt2ROrox8d6Wb857o/HJgj+Aqi3T79u7fTFrQidUHpw0Rj+ZvvFI4 1sr3VJAKDR0y875zegZTSzi5icbYsUEf9H/9lzlw= From: Tyler Retzlaff To: dev@dpdk.org Cc: Bruce Richardson , Konstantin Ananyev , Ciara Power , thomas@monjalon.net, david.marchand@redhat.com, mb@smartsharesystems.com, Tyler Retzlaff Subject: [PATCH v10 05/13] eal: use umonitor umwait and tpause intrinsics Date: Wed, 2 Aug 2023 14:35:14 -0700 Message-Id: <1691012122-10687-6-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1691012122-10687-1-git-send-email-roretzla@linux.microsoft.com> References: <1680558751-17931-1-git-send-email-roretzla@linux.microsoft.com> <1691012122-10687-1-git-send-email-roretzla@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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; } -- 1.8.3.1