From owner-freebsd-mips@freebsd.org Thu Nov 10 21:09:22 2016 Return-Path: Delivered-To: freebsd-mips@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 5C455C3A735; Thu, 10 Nov 2016 21:09:22 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-it0-x233.google.com (mail-it0-x233.google.com [IPv6:2607:f8b0:4001:c0b::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 224D66C8; Thu, 10 Nov 2016 21:09:22 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-it0-x233.google.com with SMTP id q124so263606267itd.1; Thu, 10 Nov 2016 13:09:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=A7aAYWs4jtvsOwJKRQUC6uDZyl/TVMDUnFTmCWDrcDU=; b=NeuDRlDqZ1umwjmoGZJqqgj27J/2ZYyy+f0mrIutI3/xr84kuVjbuhA4k9ImXXtfMm 5QVP3+RTmss+bwk6OPR/tgawjOesiIc98G2IK9azEjk2heTsCh6awjgP3veMbESnMmTz 9c+gtZgXPcDEH9o8d7amx7qC9oJQE59SV/7ND4g+MA9qZYADANvCEVPUwT2Zf3c2R4Qc lf37qvxxN3hle52ULkAxr7Fo4TNA8kX8bSzSO+aHY+ZW9CcuVeCfEv3RrkvEtwkhn2wk KWIXTTTdJnIo+DW+3z7ZTi+mSALaRl3BfFPtJHLhRkpBvH0NbVQEJfDa/qwwG642WSKM fGOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=A7aAYWs4jtvsOwJKRQUC6uDZyl/TVMDUnFTmCWDrcDU=; b=Nxnea5l4b1z3/0OLIEK8MWD1FJYOK1u1BMa6jNi/mo8S0L9iuPuz8YAb5t/w6hRt2R m94H/f4ZwVLKJPsDVk3EYdjs0re8I2owcOj6YVjECxomcPEvLLoEFEqESrxYDg3e/Xle yh8xAHnLfiBpIWtBybVUvDCorv1XAXdI+8P1oIKr72lR2PQCZjQ0H5KqLqw6imZSVHES k+jjl90P//4DQ0IzbN02L6Bh29ajsfD7yn8P+qoD2HfscZ/FSQT+RVEz7jgZVRnPX5nq JgzdRfJo7gvMDM3QiVqFrAASVdu8MhFf8ahqXd1+ujtCaMkMZfCOlBeosjZXr951krU+ 3OwA== X-Gm-Message-State: ABUngve90SHNbReM+MoGsY69NnitTRLad7WfWN9M4LGHFFsmv6GZCqKCWU9/X5vGWjDMgNCjXD3Hah4ewuqqlw== X-Received: by 10.107.192.194 with SMTP id q185mr8237460iof.129.1478812161422; Thu, 10 Nov 2016 13:09:21 -0800 (PST) MIME-Version: 1.0 Received: by 10.36.39.134 with HTTP; Thu, 10 Nov 2016 13:09:20 -0800 (PST) In-Reply-To: References: <201610311533.u9VFXw2x053156@repo.freebsd.org> <128f2edc-eced-dc8b-72b4-267e1d26bd48@FreeBSD.org> <20161103201059.GA2104@bsdpad.com> From: Adrian Chadd Date: Thu, 10 Nov 2016 13:09:20 -0800 Message-ID: Subject: Re: svn commit: r308130 - in head: . gnu/lib/libgcc gnu/usr.bin/binutils gnu/usr.bin/binutils/ld gnu/usr.bin/binutils/libbfd gnu/usr.bin/cc gnu/usr.bin/gdb gnu/usr.bin/gdb/libgdb lib/libc lib/libc/mips... To: Ruslan Bukin , "freebsd-mips@freebsd.org" Cc: Bryan Drewery , Ruslan Bukin , "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Nov 2016 21:09:22 -0000 ok, so there are two problems with mips now. * COP1_UNUSABLE - which is now being logged, and we were likely triggering it before. The problem: we always turned it on. If I comment out flipping on the COP1 bits in the .S files, those exceptions go away. * Page faults, but that may be me with an older userland: BAD_PAGE_FAULT: pid 1 tid 100001 (init), uid 0: pc 0x404237c0 got a read fault (type 0x2) at 0x8 Trapframe Register Dump: zero: 0 at: 0xffffffffffffffe0 v0: 0x404471b8 v1: 0xffffffffffffffff a0: 0x404471b8 a1: 0x7ffeea50 a2: 0x16c a3: 0 t0: 0 t1: 0 t2: 0 t3: 0x70000011 t4: 0x11 t5: 0x70000013 t6: 0x3 t7: 0 t8: 0 t9: 0x4041c940 s0: 0 s1: 0x40417000 s2: 0x7fffeee0 s3: 0xffffffffffffffff s4: 0xc s5: 0x40427000 s6: 0x7fffeecc s7: 0x7ffeea50 k0: 0 k1: 0 gp: 0x4044e630 sp: 0x7ffee838 s8: 0x2 ra: 0x404224d4 sr: 0xfc13 mullo: 0 mulhi: 0 badvaddr: 0x8 cause: 0x8 pc: 0x404237c0 Page table info for pc address 0x404237c0: pde = 0x809aa000, pte = 0xa001ba9a Dumping 4 words starting at pc address 0x404237c0: 8e100008 1600fff1 8f828070 100000a3 -adrian On 10 November 2016 at 12:49, Adrian Chadd wrote: > hi, > > This fails to boot on actual mips24k hardware, no hardfloat: > > COP1_UNUSABLE: pid 1 tid 100001 (init), uid 0: pc 0x404237c0 ra 0x404224d4 > Trapframe Register Dump: > zero: 0 at: 0xffffffffffffffe0 v0: 0x404471b8 v1: > 0xffffffffffffffff > > .. lots of that the moment we boot userland. > > > > -adrian > > > On 3 November 2016 at 13:10, Ruslan Bukin wrote: >> On Thu, Nov 03, 2016 at 12:39:48PM -0700, Bryan Drewery wrote: >>> On 10/31/16 8:33 AM, Ruslan Bukin wrote: >>> > Modified: head/share/mk/bsd.cpu.mk >>> > ============================================================================== >>> > --- head/share/mk/bsd.cpu.mk Mon Oct 31 15:11:55 2016 (r308129) >>> > +++ head/share/mk/bsd.cpu.mk Mon Oct 31 15:33:58 2016 (r308130) >>> > @@ -303,6 +303,9 @@ MACHINE_CPU = v9 ultrasparc ultrasparc3 >>> > >>> > .if ${MACHINE_CPUARCH} == "mips" >>> > CFLAGS += -G0 >>> > +.if ${TARGET_ARCH:Mmips*hf} >>> >>> TARGET_ARCH is not valid here. This broke building ports. Fixed in >>> r308262. >>> >> >> Thank you! >> >> Ruslan >>