From owner-svn-src-head@freebsd.org Wed Jun 13 15:41:23 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 3320D1016A89; Wed, 13 Jun 2018 15:41:23 +0000 (UTC) (envelope-from andrew@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 DC58B699A3; Wed, 13 Jun 2018 15:41:22 +0000 (UTC) (envelope-from andrew@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 BD9ED1B5D5; Wed, 13 Jun 2018 15:41:22 +0000 (UTC) (envelope-from andrew@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w5DFfMbD004853; Wed, 13 Jun 2018 15:41:22 GMT (envelope-from andrew@FreeBSD.org) Received: (from andrew@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w5DFfMAj004852; Wed, 13 Jun 2018 15:41:22 GMT (envelope-from andrew@FreeBSD.org) Message-Id: <201806131541.w5DFfMAj004852@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: andrew set sender to andrew@FreeBSD.org using -f From: Andrew Turner Date: Wed, 13 Jun 2018 15:41:22 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r335063 - head/sys/dev/psci X-SVN-Group: head X-SVN-Commit-Author: andrew X-SVN-Commit-Paths: head/sys/dev/psci X-SVN-Commit-Revision: 335063 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.26 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: Wed, 13 Jun 2018 15:41:23 -0000 Author: andrew Date: Wed Jun 13 15:41:22 2018 New Revision: 335063 URL: https://svnweb.freebsd.org/changeset/base/335063 Log: Add the SMCCC return codes from ARM DEN 0070A. While here add a comment with the document the function IDs come from. Sponsored by: DARPA, AFRL Modified: head/sys/dev/psci/smccc.h Modified: head/sys/dev/psci/smccc.h ============================================================================== --- head/sys/dev/psci/smccc.h Wed Jun 13 15:32:00 2018 (r335062) +++ head/sys/dev/psci/smccc.h Wed Jun 13 15:41:22 2018 (r335063) @@ -49,12 +49,21 @@ #define SMCCC_32BIT_CALL 0 #define SMCCC_64BIT_CALL 1 +/* + * Arm Architecture Calls. + * These are documented in the document ARM DEN 0070A. + */ #define SMCCC_VERSION \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_64BIT_CALL, 0, 0) #define SMCCC_ARCH_FEATURES \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_64BIT_CALL, 0, 1) #define SMCCC_ARCH_WORKAROUND_1 \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_64BIT_CALL, 0, 0x8000) + +/* The return values from ARM DEN 0070A. */ +#define SMCCC_RET_SUCCESS 0 +#define SMCCC_RET_NOT_SUPPORTED -1 +#define SMCCC_RET_NOT_REQUIRED -2 int32_t smccc_arch_features(uint32_t); int smccc_arch_workaround_1(void);