From patchwork Wed Aug 19 15:39:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 40303 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 CE2A93870876; Wed, 19 Aug 2020 15:49:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CE2A93870876 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1597852172; bh=UGrQRlz8D9H9lkuhAgXQU2H/RkqlojZ0lxBPmWa5YR8=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=kek5hyy2jaVvdygaR0+6DkXHSRs01MaP4FSLoYkpWKrexdBUuc+wio1DlWV2hhujP paeuIRIipah2BfL2q0K+xHxe1NdE+sTsXxxtBM7rUk620s2oGiejl6JVFLFZTFaQed RXkh0bE7tp33gR8Br1lNvs1MzUfDmaPfQ30uHmy0= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from esa1.hgst.iphmx.com (esa1.hgst.iphmx.com [68.232.141.245]) by sourceware.org (Postfix) with ESMTPS id F152F3842437 for ; Wed, 19 Aug 2020 15:49:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org F152F3842437 IronPort-SDR: 3wJS3ZoWpGCLRWEmYiIuM8MaG5En5vXIuOxXc3LvS6QQcGSqxe8/uSrY2cWXarc03nTar6zCRJ dFp3+/EMm//KfciA3R6IgBwz/0kvzXDKEEyQeSEZL9bWQ3OOvIYhOoFx/0RabVHA7SBPDWymP2 O7zhIhwsKTDchbUo0a5pP9Yy9i12qXfj+l6yprgTRWWRdmlr136B21m9cCPYtTq+ltdHgdRP+g H5DCO8+r2ApBiv6lhkkcI47qNWA79t/3YKJOUh+yzaD0Z9w0yyXpf4Iwe7st8qS/QNwTMal2j4 k0k= X-IronPort-AV: E=Sophos;i="5.76,331,1592841600"; d="scan'208";a="254766979" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 19 Aug 2020 23:49:29 +0800 IronPort-SDR: xRq06uC3MI6XDXuKVbUrmG3T0LmbENh6FT6+NUjpUlsh/U+K11Owxt3y+OTzzKM982+pYSdDmC O/2RGeF+6XfQ== Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2020 08:36:27 -0700 IronPort-SDR: pyp2rVA0CVw8YDyxUjZSEw43wbZajH2mPoe+T5WG5x/h8lCKSrItH9qPsXpoEGf1eUQpTMwwsg GrxJnTtUGyvQ== WDCIronportException: Internal Received: from lpt-kalia-a.ad.shared (HELO risc6-mainframe.hgst.com) ([10.86.59.58]) by uls-op-cesaip01.wdc.com with ESMTP; 19 Aug 2020 08:49:29 -0700 To: libc-alpha@sourceware.org Subject: [PATCH v5 16/17] Documentation for the RISC-V 32-bit port Date: Wed, 19 Aug 2020 08:39:21 -0700 Message-Id: <1245d7a74028cda9c8235403e5e522c5049d5232.1597851293.git.alistair.francis@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-13.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) 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: Alistair Francis via Libc-alpha From: Alistair Francis Reply-To: Alistair Francis Cc: alistair.francis@wdc.com Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" There is already RISC-V 64-bit port information in the documentation. Let's add some documentation entries for the RISC-V 32-bit as well. Reviewed-by: Maciej W. Rozycki --- NEWS | 11 ++++++++++- README | 1 + 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/NEWS b/NEWS index 2937adc3f3..06e43e0453 100644 --- a/NEWS +++ b/NEWS @@ -9,7 +9,16 @@ Version 2.33 Major new features: - [Add new features here] + +* Support for the RISC-V ISA running on Linux has been expanded to run on + 32-bit hardware. This is supported for the following ISA and ABI pairs: + + - rv32imac ilp32 + - rv32imafdc ilp32 + - rv32imafdc ilp32d + + The 32-bit RISC-V port requires at least Linux 5.4, GCC 7.1 and binutils + 2.28. Deprecated and removed features, and other changes affecting compatibility: diff --git a/README b/README index 903f07e484..d0f0edb393 100644 --- a/README +++ b/README @@ -39,6 +39,7 @@ The GNU C Library supports these configurations for using Linux kernels: powerpc64*-*-linux-gnu Big-endian and little-endian. s390-*-linux-gnu s390x-*-linux-gnu + riscv32-*-linux-gnu riscv64-*-linux-gnu sh[34]-*-linux-gnu sparc*-*-linux-gnu