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Re: [Qemu-devel] [PATCHv2 2/3] Allow ISA bus to be configured out
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCHv2 2/3] Allow ISA bus to be configured out |
Date: |
Thu, 17 Nov 2016 17:12:16 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
David Gibson <address@hidden> writes:
> Currently, the code to handle the legacy ISA bus is always included in
> qemu. However there are lots of platforms that don't include ISA legacy
> devies, and quite a few that have never used ISA legacy devices at all.
>
> This patch allows the ISA bus code to be disabled in the configuration for
> platforms where it doesn't make sense.
>
> For now, the default configs are adjusted to include ISA on all platforms
> including PCI: anything with PCI can at least in principle add an i82378
> PCI->ISA bridge. Also, CONFIG_IDE_CORE which is already in pci.mak
> requires ISA support.
>
> We also explicitly enable ISA on some other non-PCI platforms which include
> ISA devices: moxie, sparc and unicore32. We may want to pare this down in
> future.
>
> The platforms that will lose ISA by default are: cris, lm32, microblazeel,
> microblaze, openrisc, s390x, tricore, xtensaeb, xtensa. As far as I can
> tell none of these ever used ISA.
>
> Signed-off-by: David Gibson <address@hidden>
> Acked-by: Michael S. Tsirkin <address@hidden>
Reviewed-by: Markus Armbruster <address@hidden>
Re: [Qemu-devel] [PATCHv2 0/3] Allow ISA to be disabled on some platforms, Edgar E. Iglesias, 2016/11/10
Re: [Qemu-devel] [PATCHv2 0/3] Allow ISA to be disabled on some platforms, Michael S. Tsirkin, 2016/11/10