[Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[John Paul Adrian Glaubitz]

Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
---
 linux-user/m68k/syscall_nr.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/linux-user/m68k/syscall_nr.h b/linux-user/m68k/syscall_nr.h
index 25f8521..a2daba0 100644
--- a/linux-user/m68k/syscall_nr.h
+++ b/linux-user/m68k/syscall_nr.h
@@ -349,3 +349,30 @@
 #define TARGET_NR_process_vm_writev     346
 #define TARGET_NR_kcmp                  347
 #define TARGET_NR_finit_module          348
+#define TARGET_NR_sched_setattr         349
+#define TARGET_NR_sched_getattr         350
+#define TARGET_NR_renameat2             351
+#define TARGET_NR_getrandom             352
+#define TARGET_NR_memfd_create          353
+#define TARGET_NR_bpf                   354
+#define TARGET_NR_execveat              355
+#define TARGET_NR_socket                356
+#define TARGET_NR_socketpair            357
+#define TARGET_NR_bind                  358
+#define TARGET_NR_connect               359
+#define TARGET_NR_listen                360
+#define TARGET_NR_accept4               361
+#define TARGET_NR_getsockopt            362
+#define TARGET_NR_setsockopt            363
+#define TARGET_NR_getsockname           364
+#define TARGET_NR_getpeername           365
+#define TARGET_NR_sendto                366
+#define TARGET_NR_sendmsg               367
+#define TARGET_NR_recvfrom              368
+#define TARGET_NR_recvmsg               369
+#define TARGET_NR_shutdown              370
+#define TARGET_NR_recvmmsg              371
+#define TARGET_NR_sendmmsg              372
+#define TARGET_NR_userfaultfd           373
+#define TARGET_NR_membarrier            374
+#define TARGET_NR_mlock2                375
-- 
2.6.2

[Qemu-devel] [PATCH 2/2] linux-user: Add SOCKOP_sendmmsg and SOCKOP_recvmmsg socket call, wire them up.

[John Paul Adrian Glaubitz]

Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
---
 linux-user/syscall.c      | 8 ++++++--
 linux-user/syscall_defs.h | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6c64ba6..dd6ed47 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2171,7 +2171,6 @@ static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
     return ret;
 }
 
-#ifdef TARGET_NR_sendmmsg
 /* We don't rely on the C library to have sendmmsg/recvmmsg support,
  * so it might not have this *mmsg-specific flag either.
  */
@@ -2218,7 +2217,6 @@ static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
     }
     return ret;
 }
-#endif
 
 /* If we don't have a system accept4() then just call accept.
  * The callsites to do_accept4() will ensure that they don't
@@ -2441,6 +2439,8 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
         [SOCKOP_shutdown] = 2,    /* sockfd, how */
         [SOCKOP_sendmsg] = 3,     /* sockfd, msg, flags */
         [SOCKOP_recvmsg] = 3,     /* sockfd, msg, flags */
+        [SOCKOP_sendmmsg] = 4,    /* sockfd, msgvec, vlen, flags */
+        [SOCKOP_recvmmsg] = 4,    /* sockfd, msgvec, vlen, flags */
         [SOCKOP_setsockopt] = 5,  /* sockfd, level, optname, optval, optlen */
         [SOCKOP_getsockopt] = 5,  /* sockfd, level, optname, optval, optlen */
     };
@@ -2491,6 +2491,10 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
         return do_sendrecvmsg(a[0], a[1], a[2], 1);
     case SOCKOP_recvmsg: /* sockfd, msg, flags */
         return do_sendrecvmsg(a[0], a[1], a[2], 0);
+    case SOCKOP_sendmmsg: /* sockfd, msgvec, vlen, flags */
+        return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
+    case SOCKOP_recvmmsg: /* sockfd, msgvec, vlen, flags */
+        return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
     case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
         return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
     case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index f996acf..0d6d141 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -28,6 +28,8 @@
 #define SOCKOP_sendmsg          16
 #define SOCKOP_recvmsg          17
 #define SOCKOP_accept4          18
+#define SOCKOP_recvmmsg         19
+#define SOCKOP_sendmmsg         20
 
 #define IPCOP_semop		1
 #define IPCOP_semget		2
-- 
2.6.2

Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[John Paul Adrian Glaubitz]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Hi Laurent!

Here are, as discussed previously, my proposed patches which change the
following:

PATCH 1/2 updates the syscall table for m68k to match Linux 4.4. This
one should be very obvious.

PATCH 2/2 adds the definitions for the socket calls SOCKOP_sendmmsg and
SOCKOP_recvmmsg and wires them up with the rest of the code. The
necessary function do_sendrecvmmsg() is already present in
linux-user/syscall.c. After adding these two definitions and wiring them
up, I no longer receive an error message about the unimplemented socket
calls when running "apt-get update" on Debian unstable running on qemu
with glibc_2.21 on m68k.

Cheers,
Adrian

- -- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913
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Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[Laurent Vivier]

Le 24/12/2015 19:59, John Paul Adrian Glaubitz a écrit :
> Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
> ---
>  linux-user/m68k/syscall_nr.h | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/linux-user/m68k/syscall_nr.h b/linux-user/m68k/syscall_nr.h
> index 25f8521..a2daba0 100644
> --- a/linux-user/m68k/syscall_nr.h
> +++ b/linux-user/m68k/syscall_nr.h
> @@ -349,3 +349,30 @@
>  #define TARGET_NR_process_vm_writev     346
>  #define TARGET_NR_kcmp                  347
>  #define TARGET_NR_finit_module          348
> +#define TARGET_NR_sched_setattr         349
> +#define TARGET_NR_sched_getattr         350
> +#define TARGET_NR_renameat2             351
> +#define TARGET_NR_getrandom             352
> +#define TARGET_NR_memfd_create          353
> +#define TARGET_NR_bpf                   354
> +#define TARGET_NR_execveat              355
> +#define TARGET_NR_socket                356
> +#define TARGET_NR_socketpair            357
> +#define TARGET_NR_bind                  358
> +#define TARGET_NR_connect               359
> +#define TARGET_NR_listen                360
> +#define TARGET_NR_accept4               361
> +#define TARGET_NR_getsockopt            362
> +#define TARGET_NR_setsockopt            363
> +#define TARGET_NR_getsockname           364
> +#define TARGET_NR_getpeername           365
> +#define TARGET_NR_sendto                366
> +#define TARGET_NR_sendmsg               367
> +#define TARGET_NR_recvfrom              368
> +#define TARGET_NR_recvmsg               369
> +#define TARGET_NR_shutdown              370
> +#define TARGET_NR_recvmmsg              371
> +#define TARGET_NR_sendmmsg              372
> +#define TARGET_NR_userfaultfd           373
> +#define TARGET_NR_membarrier            374
> +#define TARGET_NR_mlock2                375
> 

Reviewed-by: Laurent Vivier <laurent@vivier.eu>

Re: [Qemu-devel] [PATCH 2/2] linux-user: Add SOCKOP_sendmmsg and SOCKOP_recvmmsg socket call, wire them up.

[Laurent Vivier]

Le 24/12/2015 19:59, John Paul Adrian Glaubitz a écrit :
> Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
> ---
>  linux-user/syscall.c      | 8 ++++++--
>  linux-user/syscall_defs.h | 2 ++
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 6c64ba6..dd6ed47 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -2171,7 +2171,6 @@ static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
>      return ret;
>  }
>  
> -#ifdef TARGET_NR_sendmmsg
>  /* We don't rely on the C library to have sendmmsg/recvmmsg support,
>   * so it might not have this *mmsg-specific flag either.
>   */
> @@ -2218,7 +2217,6 @@ static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
>      }
>      return ret;
>  }
> -#endif
>  
>  /* If we don't have a system accept4() then just call accept.
>   * The callsites to do_accept4() will ensure that they don't
> @@ -2441,6 +2439,8 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
>          [SOCKOP_shutdown] = 2,    /* sockfd, how */
>          [SOCKOP_sendmsg] = 3,     /* sockfd, msg, flags */
>          [SOCKOP_recvmsg] = 3,     /* sockfd, msg, flags */
> +        [SOCKOP_sendmmsg] = 4,    /* sockfd, msgvec, vlen, flags */
> +        [SOCKOP_recvmmsg] = 4,    /* sockfd, msgvec, vlen, flags */
>          [SOCKOP_setsockopt] = 5,  /* sockfd, level, optname, optval, optlen */
>          [SOCKOP_getsockopt] = 5,  /* sockfd, level, optname, optval, optlen */
>      };
> @@ -2491,6 +2491,10 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
>          return do_sendrecvmsg(a[0], a[1], a[2], 1);
>      case SOCKOP_recvmsg: /* sockfd, msg, flags */
>          return do_sendrecvmsg(a[0], a[1], a[2], 0);
> +    case SOCKOP_sendmmsg: /* sockfd, msgvec, vlen, flags */
> +        return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
> +    case SOCKOP_recvmmsg: /* sockfd, msgvec, vlen, flags */
> +        return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
>      case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
>          return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
>      case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
> diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
> index f996acf..0d6d141 100644
> --- a/linux-user/syscall_defs.h
> +++ b/linux-user/syscall_defs.h
> @@ -28,6 +28,8 @@
>  #define SOCKOP_sendmsg          16
>  #define SOCKOP_recvmsg          17
>  #define SOCKOP_accept4          18
> +#define SOCKOP_recvmmsg         19
> +#define SOCKOP_sendmmsg         20
>  
>  #define IPCOP_semop		1
>  #define IPCOP_semget		2
> 
Reviewed-by: Laurent Vivier <laurent@vivier.eu>

Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[Laurent Vivier]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256



Le 24/12/2015 20:04, John Paul Adrian Glaubitz a écrit :
> Hi Laurent!
> 
> Here are, as discussed previously, my proposed patches which change
> the following:
> 
> PATCH 1/2 updates the syscall table for m68k to match Linux 4.4.
> This one should be very obvious.
> 
> PATCH 2/2 adds the definitions for the socket calls SOCKOP_sendmmsg
> and SOCKOP_recvmmsg and wires them up with the rest of the code.
> The necessary function do_sendrecvmmsg() is already present in 
> linux-user/syscall.c. After adding these two definitions and wiring
> them up, I no longer receive an error message about the
> unimplemented socket calls when running "apt-get update" on Debian
> unstable running on qemu with glibc_2.21 on m68k.

I think you should have added this description in the commit message
of the patch.

You can also create your patch series with "git format-patch -n
- --cover-letter" to have a "[PATCH 0/2]" mail template to describe your
series.

Thanks,
Laurent

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Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[John Paul Adrian Glaubitz]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

On 12/24/2015 10:21 PM, Laurent Vivier wrote:
> I think you should have added this description in the commit
> message of the patch.

Hmm, ok. Let's wait for other comments. I'm open to make any
improvements in this regards but I also think the changes are
easy to understand without much commenting.

> You can also create your patch series with "git format-patch -n 
> --cover-letter" to have a "[PATCH 0/2]" mail template to describe
> your series.

You are right. I was thinking about that right after I sent the
patches in :).

- -- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913
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Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[Riku Voipio]

Hi,

On torstaina 24. joulukuuta 2015 21.04.38 EET, John Paul Adrian Glaubitz 
wrote:
> Here are, as discussed previously, my proposed patches which change the
> following:
>
> PATCH 1/2 updates the syscall table for m68k to match Linux 4.4. This
> one should be very obvious.
>
> PATCH 2/2 adds the definitions for the socket calls SOCKOP_sendmmsg and
> SOCKOP_recvmmsg and wires them up with the rest of the code. The
> necessary function do_sendrecvmmsg() is already present in
> linux-user/syscall.c. After adding these two definitions and wiring them
> up, I no longer receive an error message about the unimplemented socket
> calls when running "apt-get update" on Debian unstable running on qemu
> with glibc_2.21 on m68k.

I've applied these changing the commit messages using the text above. 
However, a static busybox from debian/unstable doesn't work for me. With or 
without these patches I just get a target segfault.

Since debian-m68k list is talking about using qemu for builds, I take I'm 
missing something obvious here. 

Riku

Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[Laurent Vivier]

Le 11/01/2016 14:46, Riku Voipio a écrit :
> Hi,
> 
> On torstaina 24. joulukuuta 2015 21.04.38 EET, John Paul Adrian Glaubitz
> wrote:
>> Here are, as discussed previously, my proposed patches which change the
>> following:
>>
>> PATCH 1/2 updates the syscall table for m68k to match Linux 4.4. This
>> one should be very obvious.
>>
>> PATCH 2/2 adds the definitions for the socket calls SOCKOP_sendmmsg and
>> SOCKOP_recvmmsg and wires them up with the rest of the code. The
>> necessary function do_sendrecvmmsg() is already present in
>> linux-user/syscall.c. After adding these two definitions and wiring them
>> up, I no longer receive an error message about the unimplemented socket
>> calls when running "apt-get update" on Debian unstable running on qemu
>> with glibc_2.21 on m68k.
> 
> I've applied these changing the commit messages using the text above.
> However, a static busybox from debian/unstable doesn't work for me. With
> or without these patches I just get a target segfault.
> 
> Since debian-m68k list is talking about using qemu for builds, I take
> I'm missing something obvious here.

Not obvious. Adrian is working with my m68k branch of qemu (qemu-m68k).
Pure qemu supports only coldfire, if you want to test it, you can't use
debian. There is a coldfire image at http://wiki.qemu.org/Testing, but
of course, it doesn't use the syscalls added by these patches.

I'm currently working to be able to merge my m68k branch into mainstream
qemu. A first series of patch will be available in the few coming days.

Laurent

Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[John Paul Adrian Glaubitz]

Hi Riku!

On 01/11/2016 02:54 PM, Laurent Vivier wrote:
> Not obvious. Adrian is working with my m68k branch of qemu (qemu-m68k).
> Pure qemu supports only coldfire, if you want to test it, you can't use
> debian. There is a coldfire image at http://wiki.qemu.org/Testing, but
> of course, it doesn't use the syscalls added by these patches.

Thanks for merging the patches.

If you want to gives Lauren't qemu-m68k fork a try, you can follow the
guide I set up in the Debian Wiki [1]. It might be advisable though to
switch to Laurent's current 2.4.0-dev branch since the master branch
mentioned in the wiki lacks the CAS2 instruction which is used by
libpthread in glibc_2.21 or later.

On the other hand, I lost networking when using Laurent's latest
branch. I will probably have to retest again, then update the
Debian Wiki page.

Adrian

> [1] https://wiki.debian.org/M68k/sbuildQEMU

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[Riku Voipio]

On maanantaina 11. tammikuuta 2016 15.54.35 EET, Laurent Vivier wrote:
>
> Le 11/01/2016 14:46, Riku Voipio a écrit :
>> Hi,
>> 
>> On torstaina 24. joulukuuta 2015 21.04.38 EET, John Paul Adrian Glaubitz
>> wrote: ...
>
> Not obvious. Adrian is working with my m68k branch of qemu (qemu-m68k).
> Pure qemu supports only coldfire, if you want to test it, you can't use
> debian. There is a coldfire image at http://wiki.qemu.org/Testing, but
> of course, it doesn't use the syscalls added by these patches.

Ok, thanks for clarification, I had forgotten that m68k in mainline Qemu 
was coldfire only. I'll be happy to add debian/m68k to my tests when the 
support
gets merged.

Riku

Re: [Qemu-devel] [PATCH 1/2] linux-user: Update m68k syscall definitions to match Linux 4.4.

[John Paul Adrian Glaubitz]

On 01/11/2016 03:10 PM, Riku Voipio wrote:
> Ok, thanks for clarification, I had forgotten that m68k in mainline Qemu
> was coldfire only. I'll be happy to add debian/m68k to my tests when the
> support
> gets merged.

Laurent's master-dev branch seems to have improved quite a lot,
currently testing it. The networking issue has been resolved.

You need to apply both of my patches though as otherwise apt complains
about the missing socket calls 19/20.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
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