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Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value
From: |
Fabien Chouteau |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value |
Date: |
Tue, 30 Apr 2013 18:23:38 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 |
On 04/30/2013 06:06 PM, Alexander Graf wrote:
> On 04/30/2013 06:00 PM, Fabien Chouteau wrote:
>> On 04/30/2013 05:24 PM, Alexander Graf wrote:
>>> On 04/30/2013 05:07 PM, Fabien Chouteau wrote:
>>>> The value was changed by the "PPC: fix hreset_vector..." patch.
>>>>
>>>> Signed-off-by: Fabien Chouteau<address@hidden>
>>>> ---
>>>> hw/ppc/prep.c | 3 +++
>>>> 1 file changed, 3 insertions(+)
>>>>
>>>> diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
>>>> index cceab3e..2d0c4fe 100644
>>>> --- a/hw/ppc/prep.c
>>>> +++ b/hw/ppc/prep.c
>>>> @@ -427,6 +427,9 @@ static void ppc_prep_reset(void *opaque)
>>>> PowerPCCPU *cpu = opaque;
>>>>
>>>> cpu_reset(CPU(cpu));
>>>> +
>>>> + /* Reset address */
>>>> + cpu->env.nip = 0xfffffffc;
>>> Why does PREP reset at this vector? Is it architected to that? Does 601
>>> reset to that offset?
>>>
>> I don't know why PReP reset here. As I said in the hreset_vector patch,
>> even if the core manual says that hreset is at 0xfff00100, the value is
>> in fact board specific. OpenHackWare expects 0xfffffffc as reset
>> address.
>
> Do you have 601e or 601 specs handy? Maybe they have a different reset vector.
>
None of the specs I have talk about 0xfffffffc...
> Maybe OHW is also just wrong ;).
>
Maybe, but I have no way to prove it.
--
Fabien Chouteau
- [Qemu-ppc] [PATCH 11/30] PPC: Fix compile with profiling enabled, (continued)
- [Qemu-ppc] [PATCH 11/30] PPC: Fix compile with profiling enabled, Alexander Graf, 2013/04/26
- [Qemu-ppc] [PATCH 05/30] PPC: fix hreset_vector for 60x, 7x0, 7x5, G2, MPC8xx, MPC5xx, 7400 and 7450, Alexander Graf, 2013/04/26
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 05/30] PPC: fix hreset_vector for 60x, 7x0, 7x5, G2, MPC8xx, MPC5xx, 7400 and 7450, Andreas Färber, 2013/04/28
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 05/30] PPC: fix hreset_vector for 60x, 7x0, 7x5, G2, MPC8xx, MPC5xx, 7400 and 7450, Fabien Chouteau, 2013/04/29
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 05/30] PPC: fix hreset_vector for 60x, 7x0, 7x5, G2, MPC8xx, MPC5xx, 7400 and 7450, Andreas Färber, 2013/04/29
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 05/30] PPC: fix hreset_vector for 60x, 7x0, 7x5, G2, MPC8xx, MPC5xx, 7400 and 7450, Aurelien Jarno, 2013/04/29
- [Qemu-ppc] [PATCH] Fix PReP NIP reset value, Fabien Chouteau, 2013/04/30
- Re: [Qemu-ppc] [PATCH] Fix PReP NIP reset value, Alexander Graf, 2013/04/30
- Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value, Fabien Chouteau, 2013/04/30
- Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value, Alexander Graf, 2013/04/30
- Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value,
Fabien Chouteau <=
- Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value, Alexander Graf, 2013/04/30
- Re: [Qemu-ppc] [Qemu-devel] [PATCH] Fix PReP NIP reset value, Hervé Poussineau, 2013/04/30
[Qemu-ppc] [PATCH 20/30] PPC: Fix dcbz for linux-user on 970, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 22/30] disas: Disassemble all ppc insns for the guest, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 23/30] target-ppc: add instruction flags for Book I 2.05, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 29/30] target-ppc: emulate store doubleword pair instructions, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 24/30] target-ppc: emulate cmpb instruction, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 28/30] target-ppc: emulate load doubleword pair instructions, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 26/30] target-ppc: emulate fcpsgn instruction, Alexander Graf, 2013/04/26
[Qemu-ppc] [PATCH 25/30] target-ppc: emulate prtyw and prtyd instructions, Alexander Graf, 2013/04/26