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Re: [Qemu-devel] OpenRISC - SPR_PICMR always 'OR-ing' the values
From: |
Davidson Francis |
Subject: |
Re: [Qemu-devel] OpenRISC - SPR_PICMR always 'OR-ing' the values |
Date: |
Sun, 20 May 2018 00:31:50 -0300 |
Thank you for quick reply,
Yes, I've tried, after that, the register works as expected, but even so, if I
enable the interrupts right after, I still receive interrupts from the same IRQ,
but maybe there is something wrong with my code.
Regards,
Davidson Francis.
2018-05-19 23:54 GMT-03:00 Stafford Horne <address@hidden>:
> On Sat, May 19, 2018 at 08:08:47PM -0300, Davidson Francis wrote:
>> Hello Stafford,
>>
>> I'm currently using or1k as a target CPU in an operating system that
>> I'm working.
>> It happens that I'm having some issues regarding the PICMR register: I
>> realize
>> that in the latest Qemu version (2.12) when I write into PICMR, the Qemu is
>> actually 'OR-ing' the values (as I could note in target/openrisc/sys_helper.c
>> file), so I can't mask an already enabled interrupt.
>>
>> I don't know if this behaviour is expected and if so, I'm sorry, but this
>> does
>> not occurs in the or1ksim, so I thought this could be might an issue.
>
> Hello, thanks for pointing this out. It looks wrong to me too. Have you
> tested
> changing it to just `env->picmr = rb;`?
>
> -Stafford