From patchwork Tue Dec 5 16:48:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 13480476 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 13F63C07E97 for ; Tue, 5 Dec 2023 16:53:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IyzOptVPDA49YFbacBw8NnVXz5SHmyUqQBTuc3/4+j8=; b=yau0lRsFSgh4+H BmZVBmwTSwfDfxOLk1cQV1U84Nrkjue9ShRZL0UPQGaMNRgldO39w7RYrV2pXR31CMpK4VzK4X+uc ZctYx/SSZ9mti0lRRb/59Zoo8teXsNF5jR9wQDQGus13tJCwvQOA8A9YPUc3VzE6fW1ZJZZsjS6V/ IMd/fkT+1xTwcRMvnnPf1TK2cIWFuQovgwDvD58BFmvRgAzaqKsHbPe0cHoBcnT/hkusz0djMlnsO HKGnUQ+05xsE2Id37CT6VmnL+X9LHrkC+qbkiwjMEtRbQhndFlyOjtnCr2PuH9xeto6Df9Myy3TV8 yW0DL4DXvszPAcg73ePg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rAYez-007wjD-0g; Tue, 05 Dec 2023 16:52:37 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rAYeg-007wN5-0a for linux-arm-kernel@lists.infradead.org; Tue, 05 Dec 2023 16:52:23 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 538EBCE1985; Tue, 5 Dec 2023 16:52:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CBED5C433CA; Tue, 5 Dec 2023 16:52:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701795135; bh=fY7XsyGWBCyMThKR5lWJhW/9PqmzwSI9SznLLw/I8/I=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=icJCPj4A9WCN6Iwk/ZpD1gRlp/UCIDyT4MxLMmSIfHTnTBS308FzsBcqXUbDgYHGb DsNu/7TbP906USdh7qH0tH3/RNtREyEUytsDI94kRATbCf4mi+gU3CpI1hDw8oJnnP kJJ34YHj4FFEQMXhtKpb+aI6iH8wsDJmLAednLXPphTNzfjN1rfCm9motv27B6jCrV D2wIlz4C3sl3C9i+lQkoygWdmBGpS0pKjJcPBD1w+Bxo8DCisk/2ZEVqEBZn/R+c16 AliEgHRQkDZrBMcJjkrq3N9QRwjlT0slBiJrDFcHAIv6+cK+v2Za16ThKR2pM/Lfn9 Jfou1Vdf2/98Q== From: Mark Brown Date: Tue, 05 Dec 2023 16:48:17 +0000 Subject: [PATCH v3 19/21] kselftest/arm64: Add 2023 DPISA hwcap test coverage MIME-Version: 1.0 Message-Id: <20231205-arm64-2023-dpisa-v3-19-dbcbcd867a7f@kernel.org> References: <20231205-arm64-2023-dpisa-v3-0-dbcbcd867a7f@kernel.org> In-Reply-To: <20231205-arm64-2023-dpisa-v3-0-dbcbcd867a7f@kernel.org> To: Catalin Marinas , Will Deacon , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Jonathan Corbet , Shuah Khan Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Mark Brown X-Mailer: b4 0.13-dev-5c066 X-Developer-Signature: v=1; a=openpgp-sha256; l=6393; i=broonie@kernel.org; h=from:subject:message-id; bh=fY7XsyGWBCyMThKR5lWJhW/9PqmzwSI9SznLLw/I8/I=; b=owGbwMvMwMWocq27KDak/QLjabUkhtT8kO86r29PD5Ocp5F8u9Gdv+6n8263fxtm6BsYcPbyN7ls /3uwk9GYhYGRi0FWTJFl7bOMVenhElvnP5r/CmYQKxPIFAYuTgGYSKQ5+/9i+Y17poocm17YKbVYs/ vod97Ky15hlr9fTHPX0i1yKb5c/0kn/G+IjVR4QHtjsWVAQeOH2fa/Vk3xd3F9efSPY7i4j63RbAtL EadvFW8yM6wycn4JqtT+NDPQ9LVbz7RQfuJq22DO8He6zctXXtO+53A33T3bKaHqefeul5OungjiKr twIf6J8NUdLkXTpPlXZNyxTzoouHvziW8WD56mrhVpXPTnG8ODfseGvy96dF8XJE3vO/s2TXLWXcd9 sSFsV4OeJJQqlC7RauBv/iU2L0Ryosird6blv77NaF0WYMy5ZnoEi0Lh94zb7IE2Ounce5fzR7U8s7 EzEZL62h1pnH8xoX29E9tFb8MmAA== X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231205_085218_735596_16BDDE5B X-CRM114-Status: GOOD ( 11.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the hwcaps added for the 2023 DPISA extensions to the hwcaps test program. Signed-off-by: Mark Brown --- tools/testing/selftests/arm64/abi/hwcap.c | 217 ++++++++++++++++++++++++++++++ 1 file changed, 217 insertions(+) diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index 1189e77c8152..d8909b2b535a 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -58,11 +58,46 @@ static void cssc_sigill(void) asm volatile(".inst 0xdac01c00" : : : "x0"); } +static void f8cvt_sigill(void) +{ + /* FSCALE V0.4H, V0.4H, V0.4H */ + asm volatile(".inst 0x2ec03c00"); +} + +static void f8dp2_sigill(void) +{ + /* FDOT V0.4H, V0.4H, V0.5H */ + asm volatile(".inst 0xe40fc00"); +} + +static void f8dp4_sigill(void) +{ + /* FDOT V0.2S, V0.2S, V0.2S */ + asm volatile(".inst 0xe00fc00"); +} + +static void f8fma_sigill(void) +{ + /* FMLALB V0.8H, V0.16B, V0.16B */ + asm volatile(".inst 0xec0fc00"); +} + +static void faminmax_sigill(void) +{ + /* FAMIN V0.4H, V0.4H, V0.4H */ + asm volatile(".inst 0x2ec01c00"); +} + static void fp_sigill(void) { asm volatile("fmov s0, #1"); } +static void fpmr_sigill(void) +{ + asm volatile("mrs x0, S3_3_C4_C4_2" : : : "x0"); +} + static void ilrcpc_sigill(void) { /* LDAPUR W0, [SP, #8] */ @@ -95,6 +130,12 @@ static void lse128_sigill(void) : "cc", "memory"); } +static void lut_sigill(void) +{ + /* LUTI2 V0.16B, { V0.16B }, V[0] */ + asm volatile(".inst 0x4e801000"); +} + static void mops_sigill(void) { char dst[1], src[1]; @@ -216,6 +257,78 @@ static void smef16f16_sigill(void) asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); } +static void smef8f16_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT ZA.H[W0, 0], Z0.B-Z1.B, Z0.B-Z1.B */ + asm volatile(".inst 0xc1a01020" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smef8f32_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT ZA.S[W0, 0], { Z0.B-Z1.B }, Z0.B[0] */ + asm volatile(".inst 0xc1500038" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smelutv2_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* LUTI4 { Z0.B-Z3.B }, ZT0, { Z0-Z1 } */ + asm volatile(".inst 0xc08b0000" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smesf8dp2_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT Z0.H, Z0.B, Z0.B[0] */ + asm volatile(".inst 0x64204400" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smesf8dp4_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT Z0.S, Z0.B, Z0.B[0] */ + asm volatile(".inst 0xc1a41C00" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smesf8fma_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FMLALB V0.8H, V0.16B, V0.16B */ + asm volatile(".inst 0xec0fc00"); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + static void sve_sigill(void) { /* RDVL x0, #0 */ @@ -353,6 +466,53 @@ static const struct hwcap_data { .cpuinfo = "cssc", .sigill_fn = cssc_sigill, }, + { + .name = "F8CVT", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8CVT, + .cpuinfo = "f8cvt", + .sigill_fn = f8cvt_sigill, + }, + { + .name = "F8DP4", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8DP4, + .cpuinfo = "f8dp4", + .sigill_fn = f8dp4_sigill, + }, + { + .name = "F8DP2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8DP2, + .cpuinfo = "f8dp4", + .sigill_fn = f8dp2_sigill, + }, + { + .name = "F8E5M2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8E5M2, + .cpuinfo = "f8e5m2", + }, + { + .name = "F8E4M3", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8E4M3, + .cpuinfo = "f8e4m3", + }, + { + .name = "F8FMA", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8FMA, + .cpuinfo = "f8fma", + .sigill_fn = f8fma_sigill, + }, + { + .name = "FAMINMAX", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_FAMINMAX, + .cpuinfo = "faminmax", + .sigill_fn = faminmax_sigill, + }, { .name = "FP", .at_hwcap = AT_HWCAP, @@ -360,6 +520,14 @@ static const struct hwcap_data { .cpuinfo = "fp", .sigill_fn = fp_sigill, }, + { + .name = "FPMR", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_FPMR, + .cpuinfo = "fpmr", + .sigill_fn = fpmr_sigill, + .sigill_reliable = true, + }, { .name = "JSCVT", .at_hwcap = AT_HWCAP, @@ -411,6 +579,13 @@ static const struct hwcap_data { .cpuinfo = "lse128", .sigill_fn = lse128_sigill, }, + { + .name = "LUT", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_LUT, + .cpuinfo = "lut", + .sigill_fn = lut_sigill, + }, { .name = "MOPS", .at_hwcap = AT_HWCAP2, @@ -511,6 +686,48 @@ static const struct hwcap_data { .cpuinfo = "smef16f16", .sigill_fn = smef16f16_sigill, }, + { + .name = "SME F8F16", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_F8F16, + .cpuinfo = "smef8f16", + .sigill_fn = smef8f16_sigill, + }, + { + .name = "SME F8F32", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_F8F32, + .cpuinfo = "smef8f32", + .sigill_fn = smef8f32_sigill, + }, + { + .name = "SME LUTV2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_LUTV2, + .cpuinfo = "smelutv2", + .sigill_fn = smelutv2_sigill, + }, + { + .name = "SME SF8FMA", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_SF8FMA, + .cpuinfo = "smesf8fma", + .sigill_fn = smesf8fma_sigill, + }, + { + .name = "SME SF8DP2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_SF8DP2, + .cpuinfo = "smesf8dp2", + .sigill_fn = smesf8dp2_sigill, + }, + { + .name = "SME SF8DP4", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_SF8DP4, + .cpuinfo = "smesf8dp4", + .sigill_fn = smesf8dp4_sigill, + }, { .name = "SVE", .at_hwcap = AT_HWCAP,