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From: Bruno Piazera Larsen <bruno.larsen@eldorado.org.br>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: farosas@linux.ibm.com, luis.pires@eldorado.org.br,
	lucas.araujo@eldorado.org.br, fernando.valle@eldorado.org.br,
	qemu-ppc@nongnu.org, matheus.ferst@eldorado.org.br,
	david@gibson.dropbear.id.au
Subject: Re: [RFC PATCH 10/11] target/ppc: created tcg-stub.c file
Date: Wed, 12 May 2021 16:09:33 -0300	[thread overview]
Message-ID: <a2794fe7-51f0-3f12-763e-6d4bc182ec92@eldorado.org.br> (raw)
In-Reply-To: <a80cf0c3-705e-e41a-f538-8abf492a5f4c@linaro.org>

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On 12/05/2021 15:39, Richard Henderson wrote:
> On 5/12/21 9:08 AM, Bruno Larsen (billionai) wrote:
>> +++ b/target/ppc/tcg-stub.c
>> @@ -0,0 +1,33 @@
>> +
>> +#include "qemu/osdep.h"
>
> All files get copyright boilerplate.
yeah, I didn't expect this file to stick around, though, as the last 
time we made a stub file, it ended up not being used, so I decided to go 
the quick route
>
>> +#include "exec/hwaddr.h"
>> +#include "cpu.h"
>> +#include "hw/ppc/spapr.h"
>> +
>> +hwaddr ppc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
>> +{
>> +    return 0;
>> +}
>
> This is used by gdbstub.
>
> If there's a way for kvm to convert a virtual address to a physical 
> address using the hardware, then use that.  I suspect there is not.
>
> Otherwise, you have to keep all of the mmu page table walking stuff 
> for kvm as well as tcg.  Which probably means that all of the other 
> stuff that you're stubbing out is used or usable as well.
ah, this probably means we'll need to compile mmu_helper.c too... that 
was something we were hoping to avoid, because of the sheer size.
>
>
> r~
-- 
Bruno Piazera Larsen
Instituto de Pesquisas ELDORADO 
<https://www.eldorado.org.br/?utm_campaign=assinatura_de_e-mail&utm_medium=email&utm_source=RD+Station>
Departamento Computação Embarcada
Analista de Software Trainee
Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>

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  reply	other threads:[~2021-05-12 19:45 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-12 14:08 [RFC PATCH 00/11] target/ppc: add support to disable-tcg Bruno Larsen (billionai)
2021-05-12 14:08 ` [PATCH 01/11] target/ppc: created ppc_{store, get}_vscr for generic vscr usage Bruno Larsen (billionai)
2021-05-12 16:48   ` [PATCH 01/11] target/ppc: created ppc_{store,get}_vscr " Richard Henderson
2021-05-13  3:48   ` David Gibson
2021-05-12 14:08 ` [PATCH 02/11] target/ppc: moved ppc_store_sdr1 to cpu.c Bruno Larsen (billionai)
2021-05-12 16:54   ` Richard Henderson
2021-05-13  3:50   ` David Gibson
2021-05-31 18:17     ` Bruno Piazera Larsen
2021-06-07  3:50       ` David Gibson
2021-05-12 14:08 ` [PATCH 03/11] target/ppc: moved ppc_cpu_dump_state to cpu_init.c Bruno Larsen (billionai)
2021-05-12 16:58   ` Richard Henderson
2021-05-12 17:00     ` Richard Henderson
2021-05-13  3:51   ` David Gibson
2021-05-12 14:08 ` [PATCH 04/11] target/ppc: moved ppc_store_msr into gdbstub.c Bruno Larsen (billionai)
2021-05-12 17:05   ` Richard Henderson
2021-05-13  3:52     ` David Gibson
2021-05-12 14:08 ` [PATCH 05/11] target/ppc: moved ppc_store_lpcr to cpu.c Bruno Larsen (billionai)
2021-05-12 17:07   ` Richard Henderson
2021-05-13  3:53   ` David Gibson
2021-05-12 14:08 ` [PATCH 06/11] target/ppc: updated vscr manipulation in machine.c Bruno Larsen (billionai)
2021-05-12 17:08   ` Richard Henderson
2021-05-13  3:54     ` David Gibson
2021-05-12 14:08 ` [PATCH 07/11] target/ppc: added KVM fallback to fpscr manipulation Bruno Larsen (billionai)
2021-05-12 18:20   ` Richard Henderson
2021-05-12 19:15     ` Bruno Piazera Larsen
2021-05-13 16:36     ` Bruno Piazera Larsen
2021-05-13 22:45       ` Richard Henderson
2021-05-14 11:12         ` Bruno Piazera Larsen
2021-05-12 14:08 ` [RFC PATCH 08/11] target/ppc: wrapped some TCG only logic with ifdefs Bruno Larsen (billionai)
2021-05-12 18:33   ` Richard Henderson
2021-05-12 18:57     ` Bruno Piazera Larsen
2021-05-14 13:29       ` Bruno Piazera Larsen
2021-05-14 14:44         ` Richard Henderson
2021-05-14 16:22           ` Bruno Piazera Larsen
2021-05-17  4:10             ` David Gibson
2021-05-17 16:07               ` Richard Henderson
2021-05-17  4:00           ` David Gibson
2021-05-24 18:01     ` Bruno Piazera Larsen
2021-05-24 20:03       ` Richard Henderson
2021-05-12 14:08 ` [PATCH 09/11] include/exec: added functions to the stubs in exec-all.h Bruno Larsen (billionai)
2021-05-12 18:34   ` Richard Henderson
2021-05-13 14:03     ` Lucas Mateus Martins Araujo e Castro
2021-05-13 23:44       ` Richard Henderson
2021-05-17  3:58         ` David Gibson
2021-05-17 16:59           ` Lucas Mateus Martins Araujo e Castro
2021-05-17 18:02             ` Richard Henderson
2021-05-18 18:45               ` Bruno Piazera Larsen
2021-05-24  3:18             ` David Gibson
2021-05-17  3:55       ` David Gibson
2021-05-17 11:07         ` Bruno Piazera Larsen
2021-05-24  3:15           ` David Gibson
2021-05-12 14:08 ` [RFC PATCH 10/11] target/ppc: created tcg-stub.c file Bruno Larsen (billionai)
2021-05-12 18:39   ` Richard Henderson
2021-05-12 19:09     ` Bruno Piazera Larsen [this message]
2021-05-14 18:07     ` Bruno Piazera Larsen
2021-05-13  3:59   ` David Gibson
2021-05-13 12:56     ` Bruno Piazera Larsen
2021-05-17  3:53       ` David Gibson
2021-05-12 14:08 ` [PATCH 11/11] target/ppc: updated meson.build to support disable-tcg Bruno Larsen (billionai)

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