[U-Boot] Move Cache-As-RAM memory from area mapped to ROM in QEMU

Anton Gerasimov
2017-11-13T10:23:32Z

Thank you Heinrich, I can confirm that current u-boot master works
without reverting aaaa55751ab1. I had problems with u-boot v2017.11-rc2
apparently.

Best regards,
Anton Gerasimov

On 11/11/2017 12:08 PM, Heinrich Schuchardt wrote:
> On 11/10/2017 06:51 PM, Anton Gerasimov wrote:
>> ROM has been made read-only in qemu recently (namely commit
>> 208fa0e43645edd0b0d8f838857dfc79daff40a8), so this patch restores
>> compatibility between u-boot and qemu. It is still broken for me
>> unless I set CONFIG_SMP=n and disable lapic (i.e. revert patch
>> aaaa55751ab1e5a5cfa0962d604593a7e6f33ff6 in u-boot), but these are
>> separate issues
>
> I could not reproduce that reverting aaaa55751ab1 is necessary.
> Your patch and CONFIG_SMP=n was suffcient to start U-Boot with
> qemu-system-x86_64 version 2.10.1(Debian 1:2.10.0+dfsg-2)
>
> Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
>
>>
>> Signed-off-by: Anton Gerasimov <anton@advancedtelematic.com>
>> ---
>>   arch/x86/cpu/qemu/Kconfig | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/x86/cpu/qemu/Kconfig b/arch/x86/cpu/qemu/Kconfig
>> index 6808c9a6b9..f4b9922a34 100644
>> --- a/arch/x86/cpu/qemu/Kconfig
>> +++ b/arch/x86/cpu/qemu/Kconfig
>> @@ -11,7 +11,7 @@ if QEMU
>>     config SYS_CAR_ADDR
>>       hex
>> -    default 0xd0000
>> +    default 0x10000
>>     config SYS_CAR_SIZE
>>       hex
>>
>

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