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[209.51.188.17]) by mx.google.com with ESMTPS id c54si2511120qta.70.2020.03.17.11.09.56 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 17 Mar 2020 11:09:56 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=GrZYKwRk; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:38614 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEGf6-0001jz-11 for patch@linaro.org; Tue, 17 Mar 2020 14:09:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36854) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEGUa-0005n0-2z for qemu-devel@nongnu.org; Tue, 17 Mar 2020 13:59:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jEGUY-0000ub-T6 for qemu-devel@nongnu.org; Tue, 17 Mar 2020 13:59:03 -0400 Received: from mail-wr1-x436.google.com ([2a00:1450:4864:20::436]:40305) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jEGUY-0000q9-Lo for qemu-devel@nongnu.org; Tue, 17 Mar 2020 13:59:02 -0400 Received: by mail-wr1-x436.google.com with SMTP id f3so19944637wrw.7 for ; Tue, 17 Mar 2020 10:59:02 -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=ycpjWhBk4Z3jSaQx3qTk+zNIZ4G3K3ciPCO6mbRvIck=; b=GrZYKwRkNggQoU4mAZZXM5HcZSS6CmTyiVIGmcjZmv6ydc+einah46k8tsuBP7jHPh YLisvKeBMipUnh6e4vzsHm/OavDbgjbIGVjcCau/G2AXMR7CTimnnI/uB6AzlUswGE+B LlMH7OIIGUUqX8eHKSzWl4OeYZODuobwFdtXEfgMOUvKfS67tlJZoxqHzt6sU2AwvY2F GJDIlMyOCbMiTd0I/fwx1xc8HKvFw8iOPKToW2/+adf11d/njsNd0xYvAYoyoIPa4ofW pBVC6ILRBBAp73M1BQ7u44ukztN4588wb+gqxn6eMk25xiQBKLPKE0uCz/sgK3VQwmfO rXCw== 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=ycpjWhBk4Z3jSaQx3qTk+zNIZ4G3K3ciPCO6mbRvIck=; b=nrFOL7LXxaXYm9pJL8Y5XRGVO7um7OHjnYqwdMWR2ld0K4RH4fEzDIg5iQK/DPEsT5 eRm+RnHD3evryuTU2Pal6WlCgFdEQWMTuj/tvO2mErF6+ZOqXq2NOMHbTTm08I6Kl/gP qY3bhLSl2HJK8fvetePnKcxGftbBQy+8E4bOQPYT80PUVzN0zYzpLAOkL13xMGrLaYwW YgtxLNCEHt/UDBgMZY4Y/yimNg6DpK1DWiBIgVChLQazr+m/iD7M50qZZTGjLl5ZFuWs PJx7EONCc38BRurXn7jeYh+siQzSD6BHm27hnTsY/4OwZUp8SRhWZPyf97x5bc2Ff9kV PRaw== X-Gm-Message-State: ANhLgQ0aCs6197Po31zW37V7FXoqz0tDRhY5VHyEEnKxN5WWf4tWuoia /C/q359EJdx4+BYkt3pDWuNf8Q== X-Received: by 2002:adf:e811:: with SMTP id o17mr187932wrm.422.1584467941533; Tue, 17 Mar 2020 10:59:01 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id z4sm5557961wrr.6.2020.03.17.10.58.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Mar 2020 10:58:53 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id BDC241FFAE; Tue, 17 Mar 2020 17:50:55 +0000 (GMT) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: peter.maydell@linaro.org Subject: [PULL 24/28] tests/tcg/aarch64: add SVE iotcl test Date: Tue, 17 Mar 2020 17:50:49 +0000 Message-Id: <20200317175053.5278-25-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200317175053.5278-1-alex.bennee@linaro.org> References: <20200317175053.5278-1-alex.bennee@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::436 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: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "open list:ARM TCG CPUs" , =?utf-8?q?Alex_Benn?= =?utf-8?b?w6ll?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" This is a fairly bare-bones test of setting the various vector sizes for SVE which will only fail if the PR_SVE_SET_VL can't reduce the user-space vector length by powers of 2. However we will also be able to use it in a future test which exercises the GDB stub. Signed-off-by: Alex Bennée Tested-by: Philippe Mathieu-Daudé Message-Id: <20200316172155.971-25-alex.bennee@linaro.org> -- 2.20.1 diff --git a/tests/tcg/aarch64/sve-ioctls.c b/tests/tcg/aarch64/sve-ioctls.c new file mode 100644 index 00000000000..9544dffa0ee --- /dev/null +++ b/tests/tcg/aarch64/sve-ioctls.c @@ -0,0 +1,70 @@ +/* + * SVE ioctls tests + * + * Test the SVE width setting ioctls work and provide a base for + * testing the gdbstub. + * + * Copyright (c) 2019 Linaro Ltd + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include +#include + +#ifndef HWCAP_CPUID +#define HWCAP_CPUID (1 << 11) +#endif + +#define SVE_MAX_QUADS (2048 / 128) +#define BYTES_PER_QUAD (128 / 8) + +#define get_cpu_reg(id) ({ \ + unsigned long __val; \ + asm("mrs %0, "#id : "=r" (__val)); \ + __val; \ + }) + +static int do_sve_ioctl_test(void) +{ + int i, res, init_vq; + + res = prctl(PR_SVE_GET_VL, 0, 0, 0, 0); + if (res < 0) { + printf("FAILED to PR_SVE_GET_VL (%d)", res); + return -1; + } + init_vq = res & PR_SVE_VL_LEN_MASK; + + for (i = init_vq; i > 15; i /= 2) { + printf("Checking PR_SVE_SET_VL=%d\n", i); + res = prctl(PR_SVE_SET_VL, i, 0, 0, 0, 0); + if (res < 0) { + printf("FAILED to PR_SVE_SET_VL (%d)", res); + return -1; + } + asm("index z0.b, #0, #1\n" + ".global __sve_ld_done\n" + "__sve_ld_done:\n" + "mov z0.b, #0\n" + : /* no outputs kept */ + : /* no inputs */ + : "memory", "z0"); + } + printf("PASS\n"); + return 0; +} + +int main(int argc, char **argv) +{ + /* we also need to probe for the ioctl support */ + if (getauxval(AT_HWCAP) & HWCAP_SVE) { + return do_sve_ioctl_test(); + } else { + printf("SKIP: no HWCAP_SVE on this system\n"); + return 0; + } +} diff --git a/tests/tcg/aarch64/Makefile.target b/tests/tcg/aarch64/Makefile.target index b61b53e4dd1..c879932ff6c 100644 --- a/tests/tcg/aarch64/Makefile.target +++ b/tests/tcg/aarch64/Makefile.target @@ -47,6 +47,10 @@ ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_SVE),) AARCH64_TESTS += sysregs sysregs: CFLAGS+=-march=armv8.1-a+sve +# SVE ioctl test +AARCH64_TESTS += sve-ioctls +sve-ioctls: CFLAGS+=-march=armv8.1-a+sve + ifneq ($(HAVE_GDB_BIN),) GDB_SCRIPT=$(SRC_PATH)/tests/guest-debug/run-test.py