Tested-by: Heiko Stuebner
Signed-off-by: Dao Lu
---
target/riscv/cpu.c | 2 ++
target/riscv/cpu.h | 1 +
target/riscv/insn32.decode | 7 ++-
target/riscv/insn_trans/trans_rvi.c.inc | 18 ++
4 files changed, 27 insertio
在 2022/5/20 03:12, Eugenio Pérez 写道:
Enable SVQ to not to forward the descriptor translating its address to
qemu's IOVA but copying to a region outside of the guest.
Virtio-net control VQ will use this mode, so we don't need to send all
the guest's memory every time there is a change, but only
在 2022/5/20 03:12, Eugenio Pérez 写道:
Signed-off-by: Eugenio Pérez
---
It's better to use the helpers in scripts/ and mentioned to which
version is this synced.
Thanks
include/standard-headers/linux/vhost_types.h | 11 -
linux-headers/linux/vhost.h | 25
在 2022/5/20 03:12, Eugenio Pérez 写道:
To restore the device in the destination of a live migration we send the
commands through control virtqueue. For a device to read CVQ it must
have received DRIVER_OK status bit.
However this open a window where the device could start receiving
packets in rx
在 2022/5/20 03:12, Eugenio Pérez 写道:
CVQ needs to be in its own group, not shared with any data vq. Enable
the checking of it here, before introducing address space id concepts.
Signed-off-by: Eugenio Pérez
---
include/hw/virtio/vhost.h | 2 +
hw/net/vhost_net.c| 4 +-
hw/virtio
Within do_interrupt, we hold the iothread lock, which
is required for Chardev access for the console, and for
the round trip for use_gdb_syscalls().
Signed-off-by: Richard Henderson
---
target/mips/cpu.h | 3 ++-
target/mips/tcg/tcg-internal.h| 2 ++
target/
Based-on: <20220607204557.658541-1-richard.hender...@linaro.org>
("[PATCH v4 00/53] semihosting cleanup")
Changes for v4:
* Split out of v2.
* Undo the gdb errno thing; continue to convert between host and uhi.
r~
Richard Henderson (11):
target/mips: Use an exception for semihosting
ta
The function is no longer used.
Signed-off-by: Richard Henderson
---
include/semihosting/console.h | 13 -
semihosting/console.c | 9 -
2 files changed, 22 deletions(-)
diff --git a/include/semihosting/console.h b/include/semihosting/console.h
index 61b0cb3a94..bd78
This separates guest file descriptors from host file descriptors,
and utilizes shared infrastructure for integration with gdbstub.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 219 +
1 file changed, 95 insertions(+), 124 deletions(-)
diff
>From the Unified Hosting Interface, MD01069 Reference Manual,
version 1.1.6, 06 July 2015.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 40 ++
1 file changed, 40 insertions(+)
diff --git a/target/mips/tcg/sysemu/mips-semi.c
b/target/mip
Always log the assert locally. Do not report_fault, but
instead include the fact of the fault in the assertion.
Don't bother freeing allocated strings before the abort().
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 39 ++
1 file changed,
The UHI specification does not have an EFAULT value,
and further specifies that "undefined UHI operations
should not return control to the target".
So, log the error and abort.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 33 ++
1 file ch
Hello 徐闯,
Thanks for reviewing!
On Wed, Jun 1, 2022 at 6:37 AM 徐闯 wrote:
[...]
> Hi, Leonardo. I'm also paying attention to the application of
> MSG_ZEROCOPY in live migration recently. I noticed that you defined a
> member `zero_copy_queued` in the struct QIOChannelSocket, but I can't
> find ou
We don't implement it with _WIN32 hosts, and the syscall
is missing from the gdb remote file i/o interface.
Since we can't implement it universally, drop it.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 9 -
1 file changed, 9 deletions(-)
diff --git a/target
Use semihost_sys_write and/or qemu_semihosting_console_write
for implementing plog. When using gdbstub, copy the temp
string below the stack so that gdb has a guest address from
which to perform the log.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 52 ++
With semihosting_get_arg, we already have a check vs argc, so
there's no point replicating it -- just check the result vs NULL.
Merge copy_argn_to_target into its caller.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 44 ++
1 file changed,
We don't implement it with _WIN32 hosts, and the syscalls
are missing from the gdb remote file i/o interface.
Since we can't implement them universally, drop them.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 39 ++
1 file changed, 7 inser
Inline these macros into the only two callers.
Signed-off-by: Richard Henderson
---
target/mips/tcg/sysemu/mips-semi.c | 27 +--
1 file changed, 9 insertions(+), 18 deletions(-)
diff --git a/target/mips/tcg/sysemu/mips-semi.c
b/target/mips/tcg/sysemu/mips-semi.c
index b
Based-on: <20220607204557.658541-1-richard.hender...@linaro.org>
("[PATCH v4 00/53] semihosting cleanup")
Changes for v4:
* Split out of v2.
* Undo the gdb errno thing; continue to convert between host and xtensa.
r~
Richard Henderson (2):
target/xtensa: Use an exception for semihosting
This separates guest file descriptors from host file descriptors,
and utilizes shared infrastructure for integration with gdbstub.
Remove the xtensa custom console handing and rely on the
generic -semihosting-config handling of chardevs.
Signed-off-by: Richard Henderson
---
target/xtensa/cpu.h
Within do_interrupt, we hold the iothread lock, which
is required for Chardev access for the console, and for
the round trip for use_gdb_syscalls().
Signed-off-by: Richard Henderson
---
target/xtensa/cpu.h | 2 ++
target/xtensa/helper.h | 3 ---
target/xtensa/exc_helper.c | 4
Hello Peter,
On Wed, Jun 1, 2022 at 10:58 AM Peter Xu wrote:
>
[...]
> > Hi, Leonardo. I'm also paying attention to the application of MSG_ZEROCOPY
> > in live migration recently. I noticed that you defined a member
> > `zero_copy_queued` in the struct QIOChannelSocket, but I can't find out
> > w
On 06/06/2022 18.43, Kashyap Chamarthy wrote:
This document is referred to from the GettingStartedDevelopers wiki
which will be rSTified in a follow-up commit.
Converted from Mediawiki to rST using:
$> pandoc -f Mediawiki -t rst MailingLists.wiki
-o mailing-lists.rst
The only cha
On 06/06/2022 18.43, Kashyap Chamarthy wrote:
This document slightly duplicates the "support"[1] page here, but
largely refers to the content in[1].
This is based on Peter Maydell's feedback[2] in v2: "there is some
merit in the documentation being standalone, even if it does mean a bit
of dupli
在 2022/5/20 03:12, Eugenio Pérez 写道:
Control virtqueue is used by networking device for accepting various
commands from the driver. It's a must to support multiqueue and other
configurations.
Shadow VirtQueue (SVQ) already makes possible migration of virtqueue
states, effectively intercepting
From: Alistair Francis
There are currently two types of RISC-V CPUs:
- Generic CPUs (base or any) that allow complete custimisation
- "Named" CPUs that match existing hardware
Users can use the base CPUs to custimise the extensions that they want, for
example -cpu rv64,v=true.
We originally e
From: Alistair Francis
We previously stored the device tree at a 16MB alignment from the end of
memory (or 3GB). This means we need at least 16MB of memory to be able
to do this. We don't actually need the FDT to be 16MB aligned, so let's
drop it down to 2MB so that we can support systems with le
+Atish
On Wed, Jun 8, 2022 at 2:20 PM Alistair Francis
wrote:
>
> From: Alistair Francis
>
> We previously stored the device tree at a 16MB alignment from the end of
> memory (or 3GB). This means we need at least 16MB of memory to be able
> to do this. We don't actually need the FDT to be 16MB a
On 2022/6/8 下午1:24, Leonardo Bras Soares Passos wrote:
I will send a fix shortly.
Is that ok if I include a "Reported-by: 徐闯
" in the patch?
okay.
Best Regards,
chuang xu
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