From patchwork Sat Apr 15 11:23:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xi Ruoyao X-Patchwork-Id: 67776 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 21E97385702B for ; Sat, 15 Apr 2023 11:24:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 21E97385702B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1681557861; bh=OTE6W6OvOhPeNAXS7Qh2wSAB+huk7IMDdqqLPSA4+hU=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=mDPH0kHWfBgF4cwwfdjrKLvEorJzk9yp1jed5SQGDA32xIbx8FqV98WaVYBWzx6lM a8PY2/pogi76xftdtrQnHKECZQNdH6CFuOIwFhcncjh4sEZwYj3BRcDNhYpYWIqX0m H4f4bXZALXulzFDhH7Z4SAV97TbYXDHYdxH3jPhI= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from xry111.site (xry111.site [IPv6:2001:470:683e::1]) by sourceware.org (Postfix) with ESMTPS id 35E423858C2B for ; Sat, 15 Apr 2023 11:23:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 35E423858C2B Received: from stargazer.. (unknown [113.140.11.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 0E9A4660BA; Sat, 15 Apr 2023 07:23:54 -0400 (EDT) To: libc-alpha@sourceware.org Cc: caiyinyu , Wang Xuerui , Adhemerval Zanella Netto , Xi Ruoyao Subject: [PATCH 1/5] LoongArch: Add bits/hwcap.h for Linux Date: Sat, 15 Apr 2023 19:23:36 +0800 Message-Id: <20230415112340.38431-2-xry111@xry111.site> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230415112340.38431-1-xry111@xry111.site> References: <20230415112340.38431-1-xry111@xry111.site> MIME-Version: 1.0 X-Spam-Status: No, score=-8.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, LIKELY_SPAM_FROM, RCVD_IN_BARRACUDACENTRAL, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Xi Ruoyao via Libc-alpha From: Xi Ruoyao Reply-To: Xi Ruoyao Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Add this file and include it from sysdep.h so we can use HWCAP bits in Glibc and/or downstream apps. --- .../unix/sysv/linux/loongarch/bits/hwcap.h | 37 +++++++++++++++++++ sysdeps/unix/sysv/linux/loongarch/sysdep.h | 1 + 2 files changed, 38 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h b/sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h new file mode 100644 index 0000000000..50100fba61 --- /dev/null +++ b/sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h @@ -0,0 +1,37 @@ +/* Defines for bits in AT_HWCAP. LoongArch Linux version. + Copyright (C) 2023 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if !defined(_SYS_AUXV_H) && !defined(_LINUX_LOONGARCH_SYSDEP_H) +# error "Never include directly; use instead." +#endif + +/* The bit numbers must match those in the kernel's . */ + +#define HWCAP_LOONGARCH_CPUCFG (1 << 0) +#define HWCAP_LOONGARCH_LAM (1 << 1) +#define HWCAP_LOONGARCH_UAL (1 << 2) +#define HWCAP_LOONGARCH_FPU (1 << 3) +#define HWCAP_LOONGARCH_LSX (1 << 4) +#define HWCAP_LOONGARCH_LASX (1 << 5) +#define HWCAP_LOONGARCH_CRC32 (1 << 6) +#define HWCAP_LOONGARCH_COMPLEX (1 << 7) +#define HWCAP_LOONGARCH_CRYPTO (1 << 8) +#define HWCAP_LOONGARCH_LVZ (1 << 9) +#define HWCAP_LOONGARCH_LBT_X86 (1 << 10) +#define HWCAP_LOONGARCH_LBT_ARM (1 << 11) +#define HWCAP_LOONGARCH_LBT_MIPS (1 << 12) diff --git a/sysdeps/unix/sysv/linux/loongarch/sysdep.h b/sysdeps/unix/sysv/linux/loongarch/sysdep.h index 8a2d73ec8c..782ea1ccf9 100644 --- a/sysdeps/unix/sysv/linux/loongarch/sysdep.h +++ b/sysdeps/unix/sysv/linux/loongarch/sysdep.h @@ -22,6 +22,7 @@ #include #include #include +#include #ifdef __ASSEMBLER__