From owner-svn-src-head@freebsd.org Sun Jan 10 18:00:03 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 188F5A6975C; Sun, 10 Jan 2016 18:00:03 +0000 (UTC) (envelope-from nwhitehorn@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 mx1.freebsd.org (Postfix) with ESMTPS id E9EE61594; Sun, 10 Jan 2016 18:00:02 +0000 (UTC) (envelope-from nwhitehorn@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u0AI02kG000513; Sun, 10 Jan 2016 18:00:02 GMT (envelope-from nwhitehorn@FreeBSD.org) Received: (from nwhitehorn@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u0AI017v000507; Sun, 10 Jan 2016 18:00:01 GMT (envelope-from nwhitehorn@FreeBSD.org) Message-Id: <201601101800.u0AI017v000507@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: nwhitehorn set sender to nwhitehorn@FreeBSD.org using -f From: Nathan Whitehorn Date: Sun, 10 Jan 2016 18:00:01 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r293641 - in head/sys/powerpc: aim booke powerpc X-SVN-Group: head 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: 2.1.20 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: Sun, 10 Jan 2016 18:00:03 -0000 Author: nwhitehorn Date: Sun Jan 10 18:00:01 2016 New Revision: 293641 URL: https://svnweb.freebsd.org/changeset/base/293641 Log: Remove dead code and dead comments, most notably the implemenation of the now-obsolete setfault(). No NetBSD code exists in the AIM locore files, so update the copyrights there. Modified: head/sys/powerpc/aim/locore32.S head/sys/powerpc/aim/locore64.S head/sys/powerpc/aim/trap_subr64.S head/sys/powerpc/booke/booke_machdep.c head/sys/powerpc/booke/locore.S head/sys/powerpc/powerpc/setjmp.S Modified: head/sys/powerpc/aim/locore32.S ============================================================================== --- head/sys/powerpc/aim/locore32.S Sun Jan 10 17:53:43 2016 (r293640) +++ head/sys/powerpc/aim/locore32.S Sun Jan 10 18:00:01 2016 (r293641) @@ -1,8 +1,7 @@ /* $FreeBSD$ */ -/* $NetBSD: locore.S,v 1.24 2000/05/31 05:09:17 thorpej Exp $ */ /*- - * Copyright (C) 2001 Benno Rice + * Copyright (C) 2010-2016 Nathan Whitehorn * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -14,37 +13,7 @@ * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/*- - * Copyright (C) 1995, 1996 Wolfgang Solfrank. - * Copyright (C) 1995, 1996 TooLs GmbH. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by TooLs GmbH. - * 4. The name of TooLs GmbH may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, @@ -95,15 +64,7 @@ GLOBAL(tmpstk) btext: /* - * This symbol is here for the benefit of kvm_mkdb, and is supposed to - * mark the start of kernel text. - */ - .globl kernel_text -kernel_text: - -/* - * Startup entry. Note, this must be the first thing in the text - * segment! + * Main kernel entry point. */ .text .globl __start @@ -148,29 +109,7 @@ __start: stw %r3, 0(%r1) bl mi_startup - /* If mi_startup somehow returns, exit. This would be bad. */ - b OF_exit - -/* - * int setfault() - * - * Similar to setjmp to setup for handling faults on accesses to user memory. - * Any routine using this may only call bcopy, either the form below, - * or the (currently used) C code optimized, so it doesn't use any non-volatile - * registers. - */ - .globl setfault -setfault: - mflr 0 - mfcr 12 - mfsprg 4,0 - lwz 4,TD_PCB(2) /* curthread = r2 */ - stw 3,PCB_ONFAULT(4) - stw 0,0(3) - stw 1,4(3) - stw 2,8(3) - stmw 12,12(3) - xor 3,3,3 - blr + /* mi_startup() does not return */ + b . #include Modified: head/sys/powerpc/aim/locore64.S ============================================================================== --- head/sys/powerpc/aim/locore64.S Sun Jan 10 17:53:43 2016 (r293640) +++ head/sys/powerpc/aim/locore64.S Sun Jan 10 18:00:01 2016 (r293641) @@ -1,8 +1,7 @@ /* $FreeBSD$ */ -/* $NetBSD: locore.S,v 1.24 2000/05/31 05:09:17 thorpej Exp $ */ /*- - * Copyright (C) 2001 Benno Rice + * Copyright (C) 2010-2016 Nathan Whitehorn * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -14,7 +13,7 @@ * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, @@ -24,36 +23,8 @@ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/*- - * Copyright (C) 1995, 1996 Wolfgang Solfrank. - * Copyright (C) 1995, 1996 TooLs GmbH. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by TooLs GmbH. - * 4. The name of TooLs GmbH may not be used to endorse or promote products - * derived from this software without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * $FreeBSD$ */ #include "assym.s" @@ -69,13 +40,6 @@ .abiversion _CALL_ELF #endif -/* Locate the per-CPU data structure */ -#define GET_CPUINFO(r) \ - mfsprg0 r -#define GET_TOCBASE(r) \ - li r,TRAP_TOCBASE; /* Magic address for TOC */ \ - ld r,0(r) - /* Glue for linker script */ .globl kernbase .set kernbase, KERNBASE @@ -102,15 +66,7 @@ TOC_ENTRY(tmpstk) btext: /* - * This symbol is here for the benefit of kvm_mkdb, and is supposed to - * mark the start of kernel text. - */ - .globl kernel_text -kernel_text: - -/* - * Startup entry. Note, this must be the first thing in the text - * segment! + * Main kernel entry point. * * Calling convention: * r3: Flattened Device Tree pointer (or zero) @@ -169,50 +125,7 @@ ASENTRY_NOPROF(__start) bl mi_startup nop - /* If this returns (it won't), go back to firmware */ - b OF_exit - nop - -/* - * int setfault() - * - * Similar to setjmp to setup for handling faults on accesses to user memory. - * Any routine using this may only call bcopy, either the form below, - * or the (currently used) C code optimized, so it doesn't use any non-volatile - * registers. - */ -ASENTRY_NOPROF(setfault) - mflr 0 - mfcr 12 - mfsprg 4,0 - ld 4,TD_PCB(13) /* curthread = r13 */ - std 3,PCB_ONFAULT(4) - std 0,0(3) - std 1,8(3) - std 2,16(3) - - std %r12,24(%r3) /* Save the non-volatile GP regs. */ - std %r13,24+1*8(%r3) - std %r14,24+2*8(%r3) - std %r15,24+3*8(%r3) - std %r16,24+4*8(%r3) - std %r17,24+5*8(%r3) - std %r18,24+6*8(%r3) - std %r19,24+7*8(%r3) - std %r20,24+8*8(%r3) - std %r21,24+9*8(%r3) - std %r22,24+10*8(%r3) - std %r23,24+11*8(%r3) - std %r24,24+12*8(%r3) - std %r25,24+13*8(%r3) - std %r26,24+14*8(%r3) - std %r27,24+15*8(%r3) - std %r28,24+16*8(%r3) - std %r29,24+17*8(%r3) - std %r30,24+18*8(%r3) - std %r31,24+19*8(%r3) - - xor 3,3,3 - blr + /* Unreachable */ + b . #include Modified: head/sys/powerpc/aim/trap_subr64.S ============================================================================== --- head/sys/powerpc/aim/trap_subr64.S Sun Jan 10 17:53:43 2016 (r293640) +++ head/sys/powerpc/aim/trap_subr64.S Sun Jan 10 18:00:01 2016 (r293641) @@ -39,9 +39,12 @@ * #include */ -/* - * Save/restore segment registers - */ +/* Locate the per-CPU data structure */ +#define GET_CPUINFO(r) \ + mfsprg0 r +#define GET_TOCBASE(r) \ + li r,TRAP_TOCBASE; /* Magic address for TOC */ \ + ld r,0(r) /* * Restore SRs for a pmap Modified: head/sys/powerpc/booke/booke_machdep.c ============================================================================== --- head/sys/powerpc/booke/booke_machdep.c Sun Jan 10 17:53:43 2016 (r293640) +++ head/sys/powerpc/booke/booke_machdep.c Sun Jan 10 18:00:01 2016 (r293641) @@ -156,7 +156,6 @@ __FBSDID("$FreeBSD$"); #define debugf(fmt, args...) #endif -extern unsigned char kernel_text[]; extern unsigned char _etext[]; extern unsigned char _edata[]; extern unsigned char __bss_start[]; @@ -311,7 +310,7 @@ booke_init(u_long arg1, u_long arg2) end += fdt_totalsize((void *)dtbp); __endkernel = end; mdp = NULL; - } else if (arg1 > (uintptr_t)kernel_text) /* FreeBSD loader */ + } else if (arg1 > (uintptr_t)btext) /* FreeBSD loader */ mdp = (void *)arg1; else /* U-Boot */ mdp = NULL; Modified: head/sys/powerpc/booke/locore.S ============================================================================== --- head/sys/powerpc/booke/locore.S Sun Jan 10 17:53:43 2016 (r293640) +++ head/sys/powerpc/booke/locore.S Sun Jan 10 18:00:01 2016 (r293641) @@ -837,29 +837,6 @@ ENTRY(dataloss_erratum_access) blr -/* - * int setfault() - * - * Similar to setjmp to setup for handling faults on accesses to user memory. - * Any routine using this may only call bcopy, either the form below, - * or the (currently used) C code optimized, so it doesn't use any non-volatile - * registers. - */ - .globl setfault -setfault: - mflr %r0 - mfsprg0 %r4 - lwz %r4, TD_PCB(%r2) - stw %r3, PCB_ONFAULT(%r4) - mfcr %r4 - stw %r0, 0(%r3) - stw %r1, 4(%r3) - stw %r2, 8(%r3) - stw %r4, 12(%r3) - stmw %r13, 16(%r3) /* store CR, CTR, XER, [r13 .. r31] */ - li %r3, 0 /* return FALSE */ - blr - /************************************************************************/ /* Data section */ /************************************************************************/ Modified: head/sys/powerpc/powerpc/setjmp.S ============================================================================== --- head/sys/powerpc/powerpc/setjmp.S Sun Jan 10 17:53:43 2016 (r293640) +++ head/sys/powerpc/powerpc/setjmp.S Sun Jan 10 18:00:01 2016 (r293641) @@ -40,7 +40,6 @@ #define JMP_cr 22*REGWIDTH #define JMP_ctr 23*REGWIDTH #define JMP_xer 24*REGWIDTH -#define JMP_sig 25*REGWIDTH ASENTRY_NOPROF(setjmp) ST_REG 31, JMP_r31(3)