Commit Graph

2128 Commits

Author SHA1 Message Date
KONRAD Frederic
a976ed3ffd target/m68k: fix gdb for m68xxx
Currently "cf-core.xml" is sent to GDB when using any m68k flavor.  Thing is
it uses the "org.gnu.gdb.coldfire.core" feature name and gdb 8.3 then expects
a coldfire FPU instead of the default m68881 FPU.

This is not OK because the m68881 floats registers are 96 bits wide so it
crashes GDB with the following error message:

(gdb) target remote localhost:7960
Remote debugging using localhost:7960
warning: Register "fp0" has an unsupported size (96 bits)
warning: Register "fp1" has an unsupported size (96 bits)
...
Remote 'g' packet reply is too long (expected 148 bytes, got 180 bytes):    \
  00000000000[...]0000

With this patch: qemu-system-m68k -M none -cpu m68020 -s -S

(gdb) tar rem :1234
Remote debugging using :1234
warning: No executable has been specified and target does not support
determining executable automatically.  Try using the "file" command.
0x00000000 in ?? ()
(gdb) p $fp0
$1 = nan(0xffffffffffffffff)

Signed-off-by: KONRAD Frederic <frederic.konrad@adacore.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <1588094279-17913-3-git-send-email-frederic.konrad@adacore.com>
Message-Id: <20200430190122.4592-10-alex.bennee@linaro.org>
2020-05-06 09:29:26 +01:00
Alex Bennée
f2385398b2 configure: favour gdb-multiarch if we have it
As gdb will generally be talking to "foreign" guests lets use that if
we can. Otherwise the chances of gdb barfing are considerably higher.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200430190122.4592-2-alex.bennee@linaro.org>
2020-05-06 09:29:26 +01:00
Alex Bennée
469a788cdd configure: disable PIE for Windows builds
It seems on some compilers the test can pass but still give you
broken binaries.

Fixes: d2cd29e307
Fixes: https://bugs.launchpad.net/qemu/+bug/1871798
Cc: Bug 1871798 <1871798@bugs.launchpad.net>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Howard Spoelstra <hsp.cat7@gmail.com>
Tested-by: James Le Cuirot <chewi@aura-online.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200414200631.12799-9-alex.bennee@linaro.org>
2020-04-15 11:38:23 +01:00
Alex Bennée
988ae6c3a7 configure: redirect sphinx-build check to config.log
Otherwise it's hard to debug whats going on.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200414200631.12799-8-alex.bennee@linaro.org>
2020-04-15 11:38:23 +01:00
Peter Maydell
516e8b7d4a configure: Honour --disable-werror for Sphinx
If we are not making warnings fatal for compilation, make them
non-fatal when building the Sphinx documentation also.  (For instance
Sphinx 3.0 warns about some constructs that older versions were happy
with, which is a build failure if we use the warnings-as-errors
flag.)

This provides a workaround at least for LP:1872113.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200411182934.28678-2-peter.maydell@linaro.org
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2020-04-14 13:15:40 +01:00
Richard Henderson
eca7a8e6c0 configure: Add -Werror to PIE probe
Without -Werror, the probe may succeed, but then compilation fails
later when -Werror is added for other reasons.  Shows up on windows,
where the compiler complains about -fPIC.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200401214756.6559-1-richard.henderson@linaro.org>
Message-Id: <20200403191150.863-13-alex.bennee@linaro.org>
2020-04-07 16:19:49 +01:00
Richard Henderson
127814629b configure: Support -static-pie if requested
Recent toolchains support static and pie at the same time.

As with normal dynamic builds, allow --static to default to PIE
if supported by the toolchain.  Allow --enable/--disable-pie to
override the default.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Fix --disable-pie --static
v3: Update for QEMU_LDFLAGS.
2020-03-28 14:09:45 -07:00
Richard Henderson
2c674109c2 configure: Override the os default with --disable-pie
Some distributions, e.g. Ubuntu 19.10, enable PIE by default.
If for some reason one wishes to build a non-pie binary, we
must provide additional options to override.

At the same time, reorg the code to an elif chain.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v3: Update for QEMU_LDFLAGS.
2020-03-28 14:09:45 -07:00
Richard Henderson
e6cbd75158 configure: Unnest detection of -z,relro and -z,now
There is nothing about these options that is related to PIE.
Use them unconditionally.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Fangrui Song <i@maskray.me>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Do not split into two tests.
v3: Update to QEMU_LDFLAGS.
2020-03-28 14:09:45 -07:00
Richard Henderson
b26341241b configure: Always detect -no-pie toolchain support
The CFLAGS_NOPIE and LDFLAGS_NOPIE variables are used
in pc-bios/optionrom/Makefile, which has nothing to do
with the PIE setting of the main qemu executables.

This overrides any operating system default to build
all executables as PIE, which is important for ROMs.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-03-28 14:09:44 -07:00
Richard Henderson
d2cd29e307 configure: Do not force pie=no for non-x86
PIE is supported on many other hosts besides x86.

The default for non-x86 is now the same as x86: pie is used
if supported, and may be forced via --enable/--disable-pie.

The original commit (40d6444e91) said:

  "Non-x86 are not changed, as they require TCG changes"

but I think that's wrong -- there's nothing about PIE that
affects TCG one way or another.

Tested on aarch64 (bionic) and ppc64le (centos 7) hosts.

Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-03-28 14:09:44 -07:00
Richard Henderson
ee5195ee0f configure: Drop adjustment of textseg
This adjustment was random and unnecessary.  The user mode
startup code in probe_guest_base() will choose a value for
guest_base that allows the host qemu binary to not conflict
with the guest binary.

With modern distributions, this isn't even used, as the default
is PIE, which does the same job in a more portable way.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Remove mention of config-host.ld from make distclean
2020-03-28 14:09:44 -07:00
Alex Bennée
a092a95547 configure: disable MTTCG for MIPS guests
While debugging check-acceptance failures I found an instability in
the mips64el test case. Briefly the test case:

  retry.py -n 100 -c -- ./mips64el-softmmu/qemu-system-mips64el \
    -display none -vga none -serial mon:stdio \
    -machine malta -kernel ./vmlinux-4.7.0-rc1.I6400 \
    -cpu I6400 -smp 8 -vga std \
    -append "printk.time=0 clocksource=GIC console=tty0 console=ttyS0 panic=-1" \
    --no-reboot

Reports about a 9% failure rate:

  Results summary:
  0: 91 times (91.00%), avg time 5.547 (0.45 varience/0.67 deviation)
  -6: 9 times (9.00%), avg time 3.394 (0.02 varience/0.13 deviation)
  Ran command 100 times, 91 passes

When re-run with "--accel tcg,thread=single" the instability goes
away.

  Results summary:
  0: 100 times (100.00%), avg time 17.318 (249.76 varience/15.80 deviation)
  Ran command 100 times, 100 passes

Which seems to indicate there is some aspect of the MIPS MTTCG fixes
that has been missed. Ideally we would fix that but I'm afraid I don't
have time to investigate and am not super familiar with the
architecture anyway. In lieu of someone tracking down the failure lets
disable it for now.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Message-Id: <20200323161514.23952-7-alex.bennee@linaro.org>
2020-03-27 13:43:20 +00:00
Laurent Vivier
91e5998f18 linux-user, configure: fix (again) syscall_nr.h dependencies cleanup
This patch fixes two problems:
- it cleanups linux-user variants (for instance ppc64-linux-user
  and ppc64le-linux-user)
- it removes the .o file when it removes the .d file, otherwise the .o
  file is never updated

Fixes: 5f29856b85 ("linux-user, configure: improve syscall_nr.h dependencies checking")
Fixes: 4d6a835dea ("linux-user: introduce parameters to generate syscall_nr.h")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200325075757.1959961-1-laurent@vivier.eu>
2020-03-26 08:08:10 +01:00
Laurent Vivier
5f29856b85 linux-user, configure: improve syscall_nr.h dependencies checking
This is mostly a fix for in-tree build.

It removes errors on .d directories:

  grep: ./.gitlab-ci.d: Is a directory
  grep: ./scripts/qemu-guest-agent/fsfreeze-hook.d: Is a directory

and improves performance by only checking <ARCH>-linux-user directories.

Reported-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200323114116.163609-1-laurent@vivier.eu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-23 14:50:12 +00:00
Peter Maydell
52a96afaa2 update syscall numbers to linux 5.5 (with scripts)
add clock_gettime64/clock_settime64
 add AT_EXECFN
 
 v4: restore syscall.tbl series but remove vsyscall series
 v3: remove syscall.tbl series
 v2: guard copy_to_user_timezone() with TARGET_NR_gettimeofday
     remove "Support futex_time64" patch
     guard sys_futex with TARGET_NR_exit
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-5.0-pull-request' into staging

update syscall numbers to linux 5.5 (with scripts)
add clock_gettime64/clock_settime64
add AT_EXECFN

v4: restore syscall.tbl series but remove vsyscall series
v3: remove syscall.tbl series
v2: guard copy_to_user_timezone() with TARGET_NR_gettimeofday
    remove "Support futex_time64" patch
    guard sys_futex with TARGET_NR_exit

# gpg: Signature made Fri 20 Mar 2020 15:23:29 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-5.0-pull-request: (32 commits)
  linux-user, openrisc: sync syscall numbers with kernel v5.5
  linux-user, nios2: sync syscall numbers with kernel v5.5
  linux-user, aarch64: sync syscall numbers with kernel v5.5
  scripts: add a script to generate syscall_nr.h
  linux-user,mips: update syscall-args-o32.c.inc
  linux-user,mips: move content of mips_syscall_args
  linux-user: update syscall.tbl from linux 0bf999f9c5e7
  linux-user, scripts: add a script to update syscall.tbl
  linux-user, mips64: add syscall table generation support
  linux-user, mips: add syscall table generation support
  linux-user, x86_64: add syscall table generation support
  linux-user, i386: add syscall table generation support
  linux-user, x86_64, i386: cleanup TARGET_NR_arch_prctl
  linux-user, sparc, sparc64: add syscall table generation support
  linux-user, s390x: add syscall table generation support
  linux-user, s390x: remove syscall definitions for !TARGET_S390X
  linux-user, ppc: add syscall table generation support
  linux-user, arm: add syscall table generation support
  linux-user, microblaze: add syscall table generation support
  linux-user, sh4: add syscall table generation support
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-20 16:00:21 +00:00
Laurent Vivier
686a0fe4db linux-user, mips64: add syscall table generation support
Copy syscall_n32.tbl, syscall_n64.tbl and syscallhdr.sh from
linux/arch/parisc/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Move the offsets (6000 for n32 and 5000 for n64) from the file to
the Makefile.objs to be passed to syscallhdr.sh

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-18-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
c59716fc5b linux-user, mips: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/mips/kernel/syscalls/syscall_o32.tbl v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h
Move the offset (4000) from the file to the Makefile.objs to be passed
to syscallhdr.sh
Rename on the fly fadvise64 to fadvise64_64.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-17-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
8d62f35ad2 linux-user, x86_64: add syscall table generation support
Copy syscall_64.tbl and syscallhdr.sh from linux/arch/x86/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-16-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
289881175d linux-user, i386: add syscall table generation support
Copy syscall_32.tbl and syscallhdr.sh from linux/arch/x86/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-15-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
bb0cdc0367 linux-user, sparc, sparc64: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/sparc/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-13-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
318f371dcf linux-user, s390x: add syscall table generation support
Copy syscall.tbl from linux/arch/s390x/kernel/syscalls v5.5
Copy syscallhdr.sh from m68k.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-12-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
76a691f1af linux-user, ppc: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/ppc/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h
and to not generate the entry if entry point is sys_ni_syscall.

Fix ppc/signal.c to define do_sigreturn() for TARGET_ABI32.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-10-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
5bcb498638 linux-user, arm: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/arm/tools/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Update syscall.c to manage TARGET_NR_arm_sync_file_range as it has
replaced TARGET_NR_sync_file_range2

Move existing stuff from linux-user/Makefile.objs to
linux-user/arm/Makefile.objs

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200310103403.3284090-9-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
ddf0c4cdfd linux-user, microblaze: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/microblaze/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-8-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
d0c832f616 linux-user, sh4: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/sh/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-7-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
a4a9359253 linux-user, xtensa: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/xtensa/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-6-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
5b85cae955 linux-user, m68k: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/m68k/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-5-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
9566f4c61f linux-user, hppa: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/parisc/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200310103403.3284090-4-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
6116aea994 linux-user, alpha: add syscall table generation support
Copy syscall.tbl and syscallhdr.sh from linux/arch/alpha/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-3-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Laurent Vivier
4d6a835dea linux-user: introduce parameters to generate syscall_nr.h
This will be used when we'll import syscall.tbl from the kernel

Add a script to remove all the dependencies to syscall_nr.h
that point to source directory and not to the build directory.
The list of arch will be update while the generated files are added.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-2-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-03-20 16:02:00 +01:00
Peter Maydell
226cd20706 Introduce the architectural part of the Renesas RX
architecture emulation, developed by Yoshinori Sato.
 
 CI jobs results:
   https://gitlab.com/philmd/qemu/pipelines/127886344
   https://travis-ci.org/github/philmd/qemu/builds/664579420
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/target_renesas_rx-20200320' into staging

Introduce the architectural part of the Renesas RX
architecture emulation, developed by Yoshinori Sato.

CI jobs results:
  https://gitlab.com/philmd/qemu/pipelines/127886344
  https://travis-ci.org/github/philmd/qemu/builds/664579420

# gpg: Signature made Fri 20 Mar 2020 10:27:32 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/target_renesas_rx-20200320:
  Add rx-softmmu
  target/rx: Dump bytes for each insn during disassembly
  target/rx: Collect all bytes during disassembly
  target/rx: Emit all disassembly in one prt()
  target/rx: Use prt_ldmi for XCHG_mr disassembly
  target/rx: Replace operand with prt_ldmi in disassembler
  target/rx: Disassemble rx_index_addr into a string
  target/rx: RX disassembler
  target/rx: CPU definitions
  target/rx: TCG helpers
  target/rx: TCG translation
  MAINTAINERS: Add entry for the Renesas RX architecture
  hw/registerfields.h: Add 8bit and 16bit register macros

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-20 12:15:20 +00:00
Yoshinori Sato
c8c35e5f51 Add rx-softmmu
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Squashed patches from Richard Henderson modifying
      qapi/common.json and tests/machine-none-test.c]
Message-Id: <20200224141923.82118-21-ysato@users.sourceforge.jp>
[PMD: Added @since 5.0 tag in SysEmuTarget]
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-03-19 17:58:05 +01:00
Peter Maydell
e6d567db23 Pull request
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Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into staging

Pull request

# gpg: Signature made Wed 18 Mar 2020 20:23:28 GMT
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/bitmaps-pull-request:
  block/qcow2-bitmap: use bdrv_dirty_bitmap_next_dirty
  nbd/server: use bdrv_dirty_bitmap_next_dirty_area
  nbd/server: introduce NBDExtentArray
  block/dirty-bitmap: improve _next_dirty_area API
  block/dirty-bitmap: add _next_dirty API
  block/dirty-bitmap: switch _next_dirty_area and _next_zero to int64_t
  hbitmap: drop meta bitmaps as they are unused
  hbitmap: unpublish hbitmap_iter_skip_words
  hbitmap: move hbitmap_iter_next_word to hbitmap.c
  hbitmap: assert that we don't create bitmap larger than INT64_MAX
  build: Silence clang warning on older glib autoptr usage

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-19 15:31:09 +00:00
Peter Maydell
0a4833b3b4 Fix tcg/i386 bug vs sari_vec.
Fix tcg-runtime-gvec.c vs i386 without avx.
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20200317' into staging

Fix tcg/i386 bug vs sari_vec.
Fix tcg-runtime-gvec.c vs i386 without avx.

# gpg: Signature made Tue 17 Mar 2020 18:58:14 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20200317:
  tcg: Remove tcg-runtime-gvec.c DO_CMP0
  tcg: Tidy tcg-runtime-gvec.c DUP*
  tcg: Tidy tcg-runtime-gvec.c types
  tcg: Remove CONFIG_VECTOR16
  tcg/i386: Bound shift count expanding sari_vec

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-18 22:15:59 +00:00
Peter Maydell
9214813489 Testing and gdbstub updates:
- docker updates for VirGL
   - re-factor gdbstub for static GDBState
   - re-factor gdbstub for dynamic arrays
   - add SVE support to arm gdbstub
   - add some guest debug tests to check-tcg
   - add aarch64 userspace register tests
   - remove packet size limit to gdbstub
   - simplify gdbstub monitor code
   - report vContSupported in gdbstub to use proper single-step
 -----BEGIN PGP SIGNATURE-----
 
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 =Wm+a
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-gdbstub-170320-1' into staging

Testing and gdbstub updates:

  - docker updates for VirGL
  - re-factor gdbstub for static GDBState
  - re-factor gdbstub for dynamic arrays
  - add SVE support to arm gdbstub
  - add some guest debug tests to check-tcg
  - add aarch64 userspace register tests
  - remove packet size limit to gdbstub
  - simplify gdbstub monitor code
  - report vContSupported in gdbstub to use proper single-step

# gpg: Signature made Tue 17 Mar 2020 17:47:46 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-and-gdbstub-170320-1: (28 commits)
  gdbstub: Fix single-step issue by confirming 'vContSupported+' feature to gdb
  gdbstub: do not split gdb_monitor_write payload
  gdbstub: change GDBState.last_packet to GByteArray
  tests/tcg/aarch64: add test-sve-ioctl guest-debug test
  tests/tcg/aarch64: add SVE iotcl test
  tests/tcg/aarch64: add a gdbstub testcase for SVE registers
  tests/guest-debug: add a simple test runner
  configure: allow user to specify what gdb to use
  tests/tcg/aarch64: userspace system register test
  target/arm: don't bother with id_aa64pfr0_read for USER_ONLY
  target/arm: generate xml description of our SVE registers
  target/arm: default SVE length to 64 bytes for linux-user
  target/arm: explicitly encode regnum in our XML
  target/arm: prepare for multiple dynamic XMLs
  gdbstub: extend GByteArray to read register helpers
  target/i386: use gdb_get_reg helpers
  target/m68k: use gdb_get_reg helpers
  target/arm: use gdb_get_reg helpers
  gdbstub: add helper for 128 bit registers
  gdbstub: move mem_buf to GDBState and use GByteArray
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-18 20:25:23 +00:00
Eric Blake
9bda600b08 build: Silence clang warning on older glib autoptr usage
glib's G_DEFINE_AUTOPTR_CLEANUP_FUNC() macro defines several static
inline functions, often with some of them unused, but prior to 2.57.2
did not mark the functions as such.  As a result, clang (but not gcc)
fails to build with older glib unless -Wno-unused-function is enabled.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20200317175534.196295-1-eblake@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-18 14:03:46 -04:00
Alex Bennée
f48e590aaf configure: allow user to specify what gdb to use
This is useful, especially when testing relatively new gdbstub
features that might not be in distro packages yet.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200316172155.971-22-alex.bennee@linaro.org>
2020-03-17 17:38:47 +00:00
Richard Henderson
43d1ccd2a0 tcg: Remove CONFIG_VECTOR16
The comment in tcg-runtime-gvec.c about CONFIG_VECTOR16 says that
tcg-op-gvec.c has eliminated size 8 vectors, and only passes on
multiples of 16.  This may have been true of the first few operations,
but is not true of all operations.

In particular, multiply, shift by scalar, and compare of 8- and 16-bit
elements are not expanded inline if host vector operations are not
supported.

For an x86_64 host that does not support AVX, this means that we will
fall back to the helper, which will attempt to use SSE instructions,
which will SEGV on an invalid 8-byte aligned memory operation.

This patch simply removes the CONFIG_VECTOR16 code and configuration
without further simplification.

Buglink: https://bugs.launchpad.net/bugs/1863508
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-03-17 08:41:07 -07:00
Eduardo Habkost
67cf3f5cf5 Use -isystem for linux-headers dir
glibc and Linux-provided headers are known to generate macro
redefinition warnings when used together.  For example:
<linux/mman.h> and <sys/mman.h> duplicate some macro definitions.

We normally never see those warnings because GCC suppresses
warnings generated by system headers.  We carry our own copy of
Linux header files, though, and this makes those warnings not be
suppressed when glibc headers are included before Linux headers
(e.g. if <sys/mman.h> is included before <linux/mman.h>).

Use -isystem instead of -I for linux-headers.  This makes the
compiler treat our linux-headers directory the same way it treats
system-provided Linux headers, and suppress warnings generated by
them.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 23:02:26 +01:00
Philippe Mathieu-Daudé
bd702ffc50 configure: Fix building with SASL on Windows
The Simple Authentication and Security Layer (SASL) library
re-defines the struct iovec on Win32 [*]. QEMU also re-defines
it in "qemu/osdep.h". The two definitions then clash on a MinGW
build.
We can avoid the SASL definition by defining STRUCT_IOVEC_DEFINED.
Since QEMU already defines 'struct iovec' if it is missing, add
the definition to vnc_sasl_cflags to avoid SASL re-defining it.

[*] https://github.com/cyrusimap/cyrus-sasl/blob/cyrus-sasl-2.1.27/include/sasl.h#L187

Cc: Alexey Pavlov <alexpux@gmail.com>
Cc: Biswapriyo Nath <nathbappai@gmail.com>
Reported-by: Youry Metlitsky <winaes@yandex.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200309122454.22551-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 23:02:23 +01:00
Christian Ehrhardt
bd83c861c0 modules: load modules from versioned /var/run dir
On upgrades the old .so files usually are replaced. But on the other
hand since a qemu process represents a guest instance it is usually kept
around.

That makes late addition of dynamic features e.g. 'hot-attach of a ceph
disk' fail by trying to load a new version of e.f. block-rbd.so into an
old still running qemu binary.

This adds a fallback to also load modules from a versioned directory in the
temporary /var/run path. That way qemu is providing a way for packaging
to store modules of an upgraded qemu package as needed until the next reboot.

An example how that can then be used in packaging can be seen in:
https://git.launchpad.net/~paelzer/ubuntu/+source/qemu/log/?h=bug-1847361-miss-old-so-on-upgrade-UBUNTU

Fixes: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1847361
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200310145806.18335-2-christian.ehrhardt@canonical.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 23:02:22 +01:00
Robert Hoo
6b8cd447ef configure: add configure option avx512f_opt
If it is enabled, config-host.mak will have CONFIG_AVX512F_OPT defined.

AVX512F instruction set is available since Intel Skylake, and can be enabled in
compiling with -mavx512f.
More info:
https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf

Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 22:07:42 +01:00
Juan Quintela
297254c71b configure: Improve zstd test
There were one error on the test (missing an s for --exists).
But we really need a recent zstd (1.4.0).
Thanks to Michal Privoznik to provide the right vension.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reported-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200310111431.173151-1-quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-03-13 09:36:30 +00:00
Stefan Hajnoczi
73fd282e7b aio-posix: add io_uring fd monitoring implementation
The recent Linux io_uring API has several advantages over ppoll(2) and
epoll(2).  Details are given in the source code.

Add an io_uring implementation and make it the default on Linux.
Performance is the same as with epoll(7) but later patches add
optimizations that take advantage of io_uring.

It is necessary to change how aio_set_fd_handler() deals with deleting
AioHandlers since removing monitored file descriptors is asynchronous in
io_uring.  fdmon_io_uring_remove() marks the AioHandler deleted and
aio_set_fd_handler() will let it handle deletion in that case.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/20200305170806.1313245-6-stefanha@redhat.com
Message-Id: <20200305170806.1313245-6-stefanha@redhat.com>
2020-03-09 16:41:31 +00:00
Kevin Wolf
f353415ffd qemu-storage-daemon: Add barebone tool
This adds a new binary qemu-storage-daemon that doesn't yet do more than
some typical initialisation for tools and parsing the basic command
options --version, --help and --trace.

Even though this doesn't add any options yet that create things (like
--object or --blockdev), already document that we're planning to process
them in the order they are given on the command line rather than trying
(and failing, like vl.c) to resolve dependencies between options
automatically.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200224143008.13362-2-kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-06 17:15:38 +01:00
Alex Bennée
39d87c8c0c configure: detect and report genisoimage
This is used for some of the vm-build tests so lets detect it and
behave sanely when it is not installed.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200303150622.20133-8-alex.bennee@linaro.org>
2020-03-04 09:57:33 +00:00
Juan Quintela
3a67848134 configure: Enable test and libs for zstd
Add it to several build systems to make testing good.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-02-28 09:24:43 +01:00
Alexander Bulekov
adc28027ff fuzz: add configure flag --enable-fuzzing
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-19-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:48 +00:00
Philippe Mathieu-Daudé
e10ee3f567 configure: Avoid compiling system tools on user build by default
User-mode does not need the system tools. Do not build them by
default if the user specifies --disable-system.

This disables building the following binaries on a user-only build:

- elf2dmp
- qemu-edid
- qemu-ga
- qemu-img
- qemu-io
- qemu-nbd
- ivshmem-client
- ivshmem-server

The qemu-user binaries are not affected by this change.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200217133327.25144-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-19 11:17:40 +01:00