From owner-svn-src-head@freebsd.org Tue Nov 13 18:20:28 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2A996112D1E2; Tue, 13 Nov 2018 18:20:28 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8F8A77151B; Tue, 13 Nov 2018 18:20:27 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 71B6613D5E; Tue, 13 Nov 2018 18:20:27 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wADIKRDq019564; Tue, 13 Nov 2018 18:20:27 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wADIKRCs019563; Tue, 13 Nov 2018 18:20:27 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201811131820.wADIKRCs019563@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Tue, 13 Nov 2018 18:20:27 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340400 - head/sys/riscv/include X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/riscv/include X-SVN-Commit-Revision: 340400 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 8F8A77151B X-Spamd-Result: default: False [-106.88 / 200.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; ALLOW_DOMAIN_WHITELIST(-100.00)[FreeBSD.org]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; HAS_XAW(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all]; DMARC_NA(0.00)[FreeBSD.org]; RCVD_COUNT_THREE(0.00)[4]; MX_GOOD(-0.01)[cached: mx1.FreeBSD.org]; NEURAL_HAM_SHORT(-1.00)[-1.000,0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; IP_SCORE(-3.77)[ip: (-9.91), ipnet: 2610:1c1:1::/48(-4.93), asn: 11403(-3.91), country: US(-0.09)] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Nov 2018 18:20:28 -0000 Author: markj Date: Tue Nov 13 18:20:27 2018 New Revision: 340400 URL: https://svnweb.freebsd.org/changeset/base/340400 Log: RISC-V: Implement get_cyclecount(9). Add the missing implementation for get_cyclecount(9) on RISC-V by reading the cycle CSR. Submitted by: Mitchell Horne Reviewed by: jhb MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D17953 Modified: head/sys/riscv/include/cpu.h Modified: head/sys/riscv/include/cpu.h ============================================================================== --- head/sys/riscv/include/cpu.h Tue Nov 13 18:12:06 2018 (r340399) +++ head/sys/riscv/include/cpu.h Tue Nov 13 18:20:27 2018 (r340400) @@ -38,6 +38,7 @@ #define _MACHINE_CPU_H_ #include +#include #include #define TRAPF_PC(tfp) ((tfp)->tf_ra) @@ -86,8 +87,7 @@ static __inline uint64_t get_cyclecount(void) { - /* TODO: This is bogus */ - return (1); + return (rdcycle()); } #endif