From owner-svn-src-head@freebsd.org Mon Sep 3 14:43:18 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 1F96FFEC03C; Mon, 3 Sep 2018 14:43:18 +0000 (UTC) (envelope-from br@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 C8235880E8; Mon, 3 Sep 2018 14:43:17 +0000 (UTC) (envelope-from br@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 A8EB31556; Mon, 3 Sep 2018 14:43:17 +0000 (UTC) (envelope-from br@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w83EhHTV087282; Mon, 3 Sep 2018 14:43:17 GMT (envelope-from br@FreeBSD.org) Received: (from br@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w83EhH4O087279; Mon, 3 Sep 2018 14:43:17 GMT (envelope-from br@FreeBSD.org) Message-Id: <201809031443.w83EhH4O087279@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: br set sender to br@FreeBSD.org using -f From: Ruslan Bukin Date: Mon, 3 Sep 2018 14:43:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r338445 - in head: share/mk stand sys/conf X-SVN-Group: head X-SVN-Commit-Author: br X-SVN-Commit-Paths: in head: share/mk stand sys/conf X-SVN-Commit-Revision: 338445 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: 2.1.27 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: Mon, 03 Sep 2018 14:43:18 -0000 Author: br Date: Mon Sep 3 14:43:16 2018 New Revision: 338445 URL: https://svnweb.freebsd.org/changeset/base/338445 Log: Enable 'C'-compressed ISA extension. This was disabled recently due to lack of support in KDB disassembler and DTrace FBT provider. Support for 'C'-extension to both of these was added, so we can now enable 'C'-extension. This reduces size of the kernel important for low-end embedded devices, and saves cache footprint for high perfomance machines. Approved by: re (kib) Sponsored by: DARPA, AFRL Modified: head/share/mk/bsd.cpu.mk head/stand/defs.mk head/sys/conf/kern.mk Modified: head/share/mk/bsd.cpu.mk ============================================================================== --- head/share/mk/bsd.cpu.mk Mon Sep 3 14:34:09 2018 (r338444) +++ head/share/mk/bsd.cpu.mk Mon Sep 3 14:43:16 2018 (r338445) @@ -367,9 +367,9 @@ CFLAGS += -mcpu=8540 -Wa,-me500 -mspe=yes -mabi=spe -m .if ${MACHINE_CPUARCH} == "riscv" .if ${MACHINE_ARCH:Mriscv*sf} -CFLAGS += -march=rv64ima -mabi=lp64 +CFLAGS += -march=rv64imac -mabi=lp64 .else -CFLAGS += -march=rv64imafd -mabi=lp64d +CFLAGS += -march=rv64imafdc -mabi=lp64d .endif .endif Modified: head/stand/defs.mk ============================================================================== --- head/stand/defs.mk Mon Sep 3 14:34:09 2018 (r338444) +++ head/stand/defs.mk Mon Sep 3 14:43:16 2018 (r338445) @@ -108,7 +108,7 @@ CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} .if ${MACHINE_CPUARCH} == "aarch64" CFLAGS+= -mgeneral-regs-only -fPIC .elif ${MACHINE_CPUARCH} == "riscv" -CFLAGS+= -march=rv64ima -mabi=lp64 +CFLAGS+= -march=rv64imac -mabi=lp64 .else CFLAGS+= -msoft-float .endif Modified: head/sys/conf/kern.mk ============================================================================== --- head/sys/conf/kern.mk Mon Sep 3 14:34:09 2018 (r338444) +++ head/sys/conf/kern.mk Mon Sep 3 14:43:16 2018 (r338445) @@ -131,7 +131,7 @@ INLINE_LIMIT?= 8000 .endif .if ${MACHINE_CPUARCH} == "riscv" -CFLAGS.gcc+= -mcmodel=medany -march=rv64imafd -mabi=lp64 +CFLAGS.gcc+= -mcmodel=medany -march=rv64imafdc -mabi=lp64 INLINE_LIMIT?= 8000 .endif