From: Chen Wei-Ren
Remove libqemu related stuff from the document since libqemu.a is not
supported
anymore.
v1 -> v2: Remove entry "qruncom.c" from "3 Regression Tests".
Signed-off-by: Chen Wei-Ren
---
qemu-tech.texi | 10 --
1 files changed, 0 insertions(+), 10 deletions(-)
On Fri, Nov 11, 2011 at 03:02:16PM +, Peter Maydell wrote:
> On 11 November 2011 14:53, Chen Wei-Ren (陳韋任)
> wrote:
> > From: Chen Wei-Ren
> >
> > Remove qruncom target from the Makefile file since we have
> > removed libqemu example (qruncom.c).
>
>
already cover
> the dependencies they specify as far as I can tell.
You mean those *.d file under the build directory?
> But that would be a different commit entirely.)
I'll exclude those manually inserted dependencies from this
series next time.
Regards,
chenwj
--
Wei-R
ve more space for the "emu" text
> on the right.
Not sure what you mean, but ...
http://people.cs.nctu.edu.tw/~chenwj/slide/QEMU/QEMU_Mascot_v2.svg
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O
s.nctu.edu.tw/~chenwj/slide/QEMU/QEMU_Mascot_text_right.svg
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj/
direction of the egg shaped body).
This direction?
http://people.cs.nctu.edu.tw/~chenwj/slide/QEMU/QEMU_Mascot_embody_text_rotate.svg
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj/
e "QEMU 1.0-rc2" not "QEMU 1.0-rc1", then? :-)
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj/
From: Chen Wei-Ren
Remove statement about libqemu.a from LICENSE.
Signed-off-by: Chen Wei-Ren
---
LICENSE |4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/LICENSE b/LICENSE
index cbd92c0..acae9a3 100644
--- a/LICENSE
+++ b/LICENSE
@@ -6,9 +6,7 @@ The following poin
From: Chen Wei-Ren
Remove libqemu_common.a from the comment.
Signed-off-by: Chen Wei-Ren
---
Makefile.objs |7 +++
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/Makefile.objs b/Makefile.objs
index d7a6539..64c5c24 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -68
From: Chen Wei-Ren
Remove qruncom target from the Makefile file.
Signed-off-by: Chen Wei-Ren
---
tests/Makefile |6 --
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/tests/Makefile b/tests/Makefile
index 430e0c1..15e36a2 100644
--- a/tests/Makefile
+++ b/tests/Makefil
From: Chen Wei-Ren
Remove the out of date comment, i.e., "# libqemu" since libqemu.a is not
available anymore.
Signed-off-by: Chen Wei-Ren
---
v3:
- Only remove out-of-date comment about libqemu.a from Makefile.target,
leave manually inserted dependencie alone.
Makefile.target |2 --
From: Chen Wei-Ren
Remove libqemu related stuff from the document since libqemu.a is not
supported
anymore.
Signed-off-by: Chen Wei-Ren
---
qemu-tech.texi | 10 --
1 files changed, 0 insertions(+), 10 deletions(-)
diff --git a/qemu-tech.texi b/qemu-tech.texi
index 62afe45..5676fb
From: Chen Wei-Ren
Remove libqemu example since libqemu.a is not available anymore.
Signed-off-by: Chen Wei-Ren
---
tests/qruncom.c | 284 ---
1 files changed, 0 insertions(+), 284 deletions(-)
delete mode 100644 tests/qruncom.c
diff --g
From: Chen Wei-Ren
According to [1], libqemu is not available anymore. Remove libqemu
related stuff from QEMU source tree.
[1] http://www.mail-archive.com/address@hidden/msg49809.html
v2:
- Remove entry "qruncom.c" from "3 Regression Tests" in qemu-tech.texi.
- Undo the deletion of common-o
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
e time? How can
> > that happen in system or single-threaded mode?
>
> It's a race between (a) a thread executing code and (b) any
> other thread or signal handler that calls cpu_exit(). So (b)
> can be the IO thread, or the linux-user host_signal_handler().
Would it be
ed by helper functions in scalar manner. Maybe you can try to map
guest SIMD into host SIMD.
Good Luck!
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
On Sun, Apr 22, 2012 at 12:07:40PM +0800, 陳韋任 wrote:
> > I am using qemu to run VMs on my computer with amd chip on board.
> > However, my computer doesn't support amd-v, so the performance of the VM is
> > low.
> > I do have experiences in optimization of program u
ot; message. Any idea
on which part I might did wrong? I use QEMU git head and QEMU 0.13.
Thanks in advance. :)
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
ause and *_resume functions, but they are -
> as far as I know - not applicable for my task.
Just a quick reply. QEMU system mode provides "-singlestep" option. Maybe you
can start from there, see how the singlestep is done.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems
veryone use x86/x86_64, so I think
replace "qemu" with particular name is inappropriate.
> When "qemu" is not used for the name of the executable, it
> should be written "QEMU".
Agreed.
I have no idea about remaining stuff. :)
Regards,
chenwj
--
Wei-Ren
al. :/ If
people can focus on one document, then it's easier to make it a good shape.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
rface.
>
> Any approach to do this in QEMU? Thanks.
Maybe take a look at
http://lists.gnu.org/archive/html/qemu-devel/2008-07/msg00507.html
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799
ovides.
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
more about it, but
googling doesn't help. Would you mind to shed some light on that? Thanks.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
) at /tmp/chenwj/qemu-0.13.0/softmmu_template.h:213
#4 0x0054e4ab in __stl_mmu (addr=229376, val=0, mmu_idx=0) at
/tmp/chenwj/qemu-0.13.0/softmmu_template.h:245
---
Thanks!
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
tch will remove AREG0 so that we can use clang to compile QEMU?
How much the performance lose?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
Hi all,
I would like to know if I can retrieve pre-process information in QEMU
system mode. For example, I want to know each process's page fault ratio.
Is there a way to do that?
Thanks.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Sc
I suppose you only need to #include "def-helper.h" once?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
ge it
> into OpenriscCPU.
I think OpenRISC is better [1].
Regards,
chenwj
[1] http://en.wikipedia.org/wiki/OpenRISC
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
;vmstate_cpu, opaque, version_id);
}
---
Leave to vmstate_save_state/vmstate_load_state (savevm.c) do the real things.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
e me some hits?
I guest you need to write your own floating helper functions to do that.
Am I right, Max?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
G0), so you shouldn't use env here somehow. Maybe Blue can show you some
example how to do that, target-sparc/* might be a place?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
#x27;s why I add a counter there. But this way I'll collect a
global static not per-process one. I'll try systemtap latter but not sure it
does the same thing I want to do.
Any thoughts? :)
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Scienc
/* as an example. Otherwise, looks at tcg/xxx/*.
The term "target" could be a little MISLEADING here. :)
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
port?
Thanks!
Regards,
chenwj
[1] http://patchwork.ozlabs.org/patch/31746/
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
ode tests downloaded from the website as the test
case.
Could someone kindly explain why there are constraints on block
linking? Thanks!
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
o the result is that it mostly works but if you
You mean some QEMU data structures need to be thread-local or lock
protected in order to emulate guest multi-threaded program correctly?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica
Hi, Ottavio
> 2) The qemu-user mailing list is not active:
> http://lists.nongnu.org/mailman/listinfo/qemu-users
+1. Maybe you can ask Pablo's opinion, too.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.
t mutex is very likely
> broken, for instance.) If you look in MAINTAINERS you'll see
Just to be curious. *If* QEMU support multithreaded user
program, would the different memory (coherence/consistency)
model between guest and host architecture become a problem?
Regards,
chenwj
w,
http://www.few.vu.nl/~vdkouwe/doc/msc-thesis-cs-erik-van-der-kouwe.pdf
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
eone can give me a high level overview on how QEMU manages
the guest machine's memory, I'll be very appreciate that. Thanks!
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
> > I can't understand CPUState's iotlb field , Why we need iotlb ?
I guess he want to know why there are tlb and iotlb in the CPUState,
not just one.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R
estion appreciated.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Parallel Processing Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Hi, Roy
> Seems to be related:
> http://www.mail-archive.com/qemu-devel@nongnu.org/msg55914.html
Thanks for the info. I wonder if it is possible to cross compile qemu for
ppc (host) on a x86 machine.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Parallel Processing Lab, Institute of Infor
Hi, Roy
What I did is apply the patch (see attachment) which comment out an
assertion in tcg/tcg.c first. Then configure qemu with "--enable-debug"
option. I don't know if it is safe to remove the assertion though, but
it works for small program.
Regards,
chenwj
--
We
Forgot to add the attachment, sorry. :)
--
Wei-Ren Chen (陳韋任)
Parallel Processing Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
--- qemu-0.13.0/tcg/tcg.c.orig 2010-10-16 04:56:09.0 +0800
+++ qemu-0.13.0/tcg/tcg.c 2011-02-24 09:46
lo
Missing op definition for qemu_ld64
Missing op definition for qemu_st64
/tmp/chenwj/qemu-0.14.0/tcg/tcg.c:1116: tcg fatal error
Aborted
--
Is it possible to fix it? If so, how?
Any sugguestions appreciated.
Regards,
chenwj
--
Wei-Re
Hi, Blue
Since my machine is UltraSparc T2, I should configure QEMU with
"--sparc_cpu=v9", right? But it gave me the error below,
ERROR: "gcc" either does not exist or does not work
Maybe I should pass some flag to QEMU or update my gcc?
Regards,
chenwj
--
Wei-Ren
}
flush_ibtc(); // flush IBTC
}
-
Have I already considered all kind of situations? Or something else
I need to do to make IBTC work in system mode?
Thanks!
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
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