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[Xen-devel] Re: [PATCH 03/15] xen: Add a new target to qemu: target-xen

To: stefano.stabellini@xxxxxxxxxxxxx
Subject: [Xen-devel] Re: [PATCH 03/15] xen: Add a new target to qemu: target-xen
From: Juan Quintela <quintela@xxxxxxxxxx>
Date: Mon, 23 Aug 2010 13:09:23 +0200
Cc: Anthony.Perard@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, qemu-devel@xxxxxxxxxx
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In-reply-to: <1282557052-14285-3-git-send-email-stefano.stabellini@xxxxxxxxxxxxx> (stefano stabellini's message of "Mon, 23 Aug 2010 10:50:40 +0100")
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stefano.stabellini@xxxxxxxxxxxxx wrote:
> From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> This patch adds a new Xen device model target to Qemu, called
> target-xen.
> The new target makes use of the previously introduced xen_machine_fv.
> In order to have a fully working Xen device model we still need
> functionalities introduced by the following patches.
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


> diff --git a/Makefile.target b/Makefile.target
> index 8fdc884..359a984 100644
> --- a/Makefile.target
> +++ b/Makefile.target
> @@ -183,9 +183,6 @@ QEMU_CFLAGS += $(VNC_PNG_CFLAGS)
>  # xen backend driver support


> +# Xen Device Model
> +# xen full virtualized machine
> +
> +# Remove some lib, because we don't want it for a xen target.
> +ifeq ($(TARGET_BASE_ARCH), xen)
> +bad-libobj-y = exec.o translate-all.o cpu-exec.o translate.o
> +bad-libobj-y += tcg%.o fpu/%.o
> +bad-libobj-y += disas.o op_helper.o
> +libobj-y := $(filter-out $(bad-libobj-y), $(libobj-y))
> +endif

This is a hack (to call it something).  Can we have a proper fix for
this?  Just putting that files under tcg-libobj-y (or something like
that), and add it only to some targets.  There is (another similar bad
hack) on qemu-kvm.git to disable them for ia64.  Can we get something
saner here?

Later, Juan.

PD. No, this is not xen specific, disabling compilation of tcg on qemu
    is basically imposible.

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