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[Qemu-arm] [RFC v2 PATCH] hw/arm/virt: makes virt a default machine type

From: Wainer dos Santos Moschetta
Subject: [Qemu-arm] [RFC v2 PATCH] hw/arm/virt: makes virt a default machine type
Date: Thu, 20 Jun 2019 18:23:14 -0400

Peter, Cleber,

Re-sending this email because I forgot to copy the mailing listing.
Sorry. Original message below.

Hi Peter et al.,

I came across this when running the acceptance tests in an aarch64 host.
The arch-independent tests fail because, in general, they don't set a
machine type. In order to avoid treating arm targets as special cases
on avocado_qemu framework I prefered to attempt to promote virt as
default for ARM emulation. Moreover since it represents a generic hardware
and its used is broaden advised [1], I found it the right choice.

Maybe that topic was discussed already but I didn't find any reference on
either the mailing list and git logs. It is also true
that I am an ignorant on ARM platform, thus I might be missing
something. Those explain why I send this patch as RFC.

[1] https://wiki.qemu.org/Documentation/Platforms/ARM


-- >8 --
Currently none arm target has a default machine type, unlike
others as x86_64 and ppc64. The 'virt' (alias) type represents a
generic ARM hardware, so let's specify it the default machine for
ARM emulation.

Signed-off-by: Wainer dos Santos Moschetta <address@hidden>
 hw/arm/virt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 431e2900fd..2f8aa2bfb7 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -74,6 +74,7 @@
         mc->desc = "QEMU " # major "." # minor " ARM Virtual Machine"; \
         if (latest) { \
             mc->alias = "virt"; \
+            mc->is_default = 1; \
         } \
     } \
     static const TypeInfo machvirt_##major##_##minor##_info = { \

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