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Re: ARM-m3 no MMU no OS

From: Bryan Hundven <bryanhundven at gmail dot com>
To: Zhenqiang Chen <zhenqiang dot chen at linaro dot org>
Cc: Ed Beroset <beroset at mindspring dot com>, "crossgcc at sourceware dot org" <crossgcc at sourceware dot org>
Date: Tue, 27 May 2014 22:56:34 -0700
Subject: Re: ARM-m3 no MMU no OS
Authentication-results: sourceware.org; auth=none
References: <10612769 dot 1401224160404 dot JavaMail dot root at elwamui-rustique dot atl dot sa dot earthlink dot net> <CACgzC7DND4a23477A6eeLAHh3PKJrubtZQSBg+yrksqkns7uLQ at mail dot gmail dot com>

On Tue, May 27, 2014 at 10:51 PM, Zhenqiang Chen
<zhenqiang.chen@linaro.org> wrote:
> On 28 May 2014 04:55, Ed Beroset <beroset@mindspring.com> wrote:
>> I'm trying to use crosstool-NG to build g++ 2.9.0 for arm-m3 with no mmu bare-metal, EABI, but have not had much luck so far. Specifically, I get all the way to "Installing C library" but it fails when attempting to build newlib.  The relevant lines are:
>>
>> [ALL  ]    arm-bare_newlib_cortex_m3_nommu-eabi-cc -B/home/ejb/tools/crosstool-ng/.build/arm-bare_newlib_cortex_m3_nommu-eabi/build/build-libc/arm-bare_newlib_cortex_m3_nommu-eabi/newlib/ -isystem /home/ejb/tools/crosstool-ng/.build/arm-bare_newlib_cortex_m3_nommu-eabi/build/build-libc/arm-bare_newlib_cortex_m3_nommu-eabi/newlib/targ-include -isystem /home/ejb/tools/crosstool-ng/.build/src/newlib-2.1.0/newlib/libc/include -B/home/ejb/tools/crosstool-ng/.build/arm-bare_newlib_cortex_m3_nommu-eabi/build/build-libc/arm-bare_newlib_cortex_m3_nommu-eabi/libgloss/arm -L/home/ejb/tools/crosstool-ng/.build/arm-bare_newlib_cortex_m3_nommu-eabi/build/build-libc/arm-bare_newlib_cortex_m3_nommu-eabi/libgloss/libnosys -L/home/ejb/tools/crosstool-ng/.build/src/newlib-2.1.0/libgloss/arm    -DPACKAGE_NAME="newlib" -DPACKAGE_TARNAME="newlib" -DPACKAGE_VERSION="2.1.0" -DPACKAGE_STRING="newlib 2.1.0" -DPACKAGE_BUGREPORT="" -DPACKAGE_URL="" -I. -I/home/ejb/tools/crosstool-ng/.build/src/newlib-2.1.0/newlib/libc/search -Os -DNO_FLOATING_POINT -DARM_RDI_MONITOR -fno-builtin      -g -Os -c -o lib_a-twalk.o `test -f 'twalk.c' || echo '/home/ejb/tools/crosstool-ng/.build/src/newlib-2.1.0/newlib/libc/search/'`twalk.c
>> [ALL  ]    /tmp/ccsTSIHh.s: Assembler messages:
>> [ALL  ]    /tmp/ccsTSIHh.s:1155: Error: bad instruction `orn r3,r3,#31'
>> [ALL  ]    /tmp/ccsTSIHh.s:1208: Error: bad instruction `orn r3,r3,#31'
>> [ALL  ]    /tmp/ccsTSIHh.s:1690: Error: bad instruction `orn r3,r3,#31'
>> [ERROR]    gmake[7]: *** [lib_a-hash_page.o] Error 1
>
> `orn r3,r3,#31' is a correct instruction for Cortex-M3. Please check
> your binutils version and flags passed to as (add "-v" option in your
> cmdline).
>
> -Zhenqiang

Or more simply, just pastebin .config and full build.log, then link here.

Cheers,

-Bryan

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References:
- ARM-m3 no MMU no OS
  - From: Ed Beroset
- Re: ARM-m3 no MMU no OS
  - From: Zhenqiang Chen

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