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Re: [Qemu-devel] [PATCH 2/6] Remove monitor.c dependency on CONFIG_I8259

From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH 2/6] Remove monitor.c dependency on CONFIG_I8259
Date: Mon, 30 Mar 2015 23:41:17 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

Am 06.03.2015 um 05:18 schrieb David Gibson:
> The hmp commands "irq" and "pic" are a bit of a mess.  They're implemented
> on a number of targets, but not all.  On sparc32 and LM32 they do target
> specific things, but on the remainder (i386, ppc and mips) they call into
> the i8259 PIC code.
> But really, what these commands do shouldn't be dependent on the target
> arch, but on the specific machine that's in use.  On ppc, for example,
> the "prep" machine usually does have an ISA bridge with an i8259, but
> most of the other machine types have never had an i8259 at all.  Similarly
> the sparc specific target would stop working if we ever had a sparc32
> machine that wasn't sun4m.
> This patch cleans things up by implementing these hmp commands on all
> targets via a MachineClass callback.  If the callback is NULL, for now
> we fallback to target specific defaults that match the existing behaviour.
> The hope is we can remove those later with target specific cleanups.
> Signed-off-by: David Gibson <address@hidden>
> ---
>  hw/intc/i8259.c      |  4 ++--
>  include/hw/boards.h  |  2 ++
>  include/hw/i386/pc.h |  4 ++--
>  monitor.c            | 57 
> ++++++++++++++++++++++++++++++++++++++--------------
>  4 files changed, 48 insertions(+), 19 deletions(-)

This commit message is terribly misleading: Nothing is done wrt
CONFIG_I8259 AFAICT. What about "monitor: Implement info irq and info
pit for all targets"?

The implementation looks fine and once fixed can get a
Reviewed-by: Andreas Färber <address@hidden>


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