[U-Boot] U-Boot x86 QEMU: Error on boot

Eric Neblock ceneblock at member.fsf.org
Wed Nov 23 18:04:29 CET 2016


On 11/22/2016 08:21 AM, Tom Rini wrote:
> On Mon, Nov 21, 2016 at 03:31:43PM -0600, Eric Neblock wrote:
>> Hello,
>>   I'm trying to get u-boot working on QEMU so I understand how it works
>> before moving to an embedded system.
>>
>>   After following the instructions here:
>> https://lists.nongnu.org/archive/html/qemu-devel/2015-05/msg04835.html
>>
>> U-Boot is always crashing, even when omitting the network stuff. Below
>> is how I'm currently trying to boot:
>>
>> qemu-system-i386 -nographic -bios u-boot.rom
>>
>> And here is the ending result:
>>
>> U-Boot 2016.11 (Nov 21 2016 - 14:03:23 -0600)
>>
>> CPU: x86, vendor Intel, device 663h
>> DRAM:  128 MiB
>> Using default environment
>>
>> Video: General Protection
>> EIP: 0010:[<07f685e4>] EFLAGS: 00000046
>> Original EIP :[<fff005e4>]
>> EAX: 00000012 EBX: 00000010 ECX: 00000000 EDX: 07d643cf
>> ESI: 07fad1dc EDI: 07d643e0 EBP: 07fcf564 ESP: 07d64384
>>  DS: 0018 ES: 0018 FS: 0020 GS: 0018 SS: 0018
>> CR0: 00000033 CR2: 00000000 CR3: 00000000 CR4: 00000000
>> DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
>> DR6: ffff0ff0 DR7: 00000400
>> Stack:
>>     0x07d643c4 : 0x0000001c
>>     0x07d643c0 : 0x7acd6388
>>     0x07d643bc : 0x00000111
>>     0x07d643b8 : 0x000c0000
>>     0x07d643b4 : 0x00000000
>>     0x07d643b0 : 0x074a7205
>>     0x07d643ac : 0x07f87d87
>>     0x07d643a8 : 0x7acd6388
>>     0x07d643a4 : 0x3b9aca00
>>     0x07d643a0 : 0x00000000
>>     0x07d6439c : 0x07f8dbe9
>>     0x07d64398 : 0x07d67720
>>     0x07d64394 : 0x00000002
>>     0x07d64390 : 0xc0010001
>>     0x07d6438c : 0x00000246
>>     0x07d64388 : 0x00000010
>> --->0x07d64384 : 0x07f6a997
>>     0x07d64380 : 0x00000046
>>     0x07d6437c : 0x00000010
>>     0x07d64378 : 0x07f685e4
>> ### ERROR ### Please RESET the board ###
>>
>>
>> I think I'm on the bleeding edge branch, but even then when reverting to
>> the v2016.09.01 tag, I still crash.
>>
>> If there is any additional information that I can provide please let me
>> know.
> 
> qemu-x86 is one of our regularly (every push to mainline) tested
> targets.  I invoke mine as:
> qemu-system-i386 -nographic -cpu qemu32 -bios u-boot.rom \
>   -netdev user,id=net0,tftp=/tftpboot -device e1000,netdev=net0
> 
> What version of qemu are you running?
> 
qemu-system-i386 --version:

QEMU emulator version 2.3.1, Copyright (c) 2003-2008 Fabrice Bellard

Perhaps important to note is I'm using OpenSuSE 42.1.

Eric Neblock


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