Use lookup_and_goto_tb.
Cleanup and fill in VMStateDescription.

# gpg: Signature made Mon 07 Sep 2020 21:01:55 BST
# 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-mb-20200907-2:
  configure: Do not set TARGET_ABI32 for microblaze
  target/microblaze: Put MicroBlazeCPUConfig into DisasContext
  target/microblaze: Fill in VMStateDescription for cpu
  target/microblaze: Move mmu parameters to MicroBlazeCPUConfig
  target/microblaze: Treat pvr_regs as constant
  target/microblaze: Move pvr regs to MicroBlazeCPUConfig
  target/microblaze: Reorg MicroBlazeCPUConfig to minimize holes
  target/microblaze: Split out MicroBlazeCPUConfig
  target/microblaze: Diagnose invalid insns in delay slots
  target/microblaze: Use tcg_gen_lookup_and_goto_ptr
  target/microblaze: Force rtid, rted, rtbd to exit
  target/microblaze: Handle DISAS_EXIT_NEXT in delay slot
  target/microblaze: Replace cpustate_changed with DISAS_EXIT_NEXT
  target/microblaze: Introduce DISAS_EXIT_NEXT, DISAS_EXIT_JUMP
  target/microblaze: Rename DISAS_UPDATE to DISAS_EXIT
  target/microblaze: Rename mmu structs
  target/microblaze: Cleanup mb_cpu_do_interrupt
  target/microblaze: Renumber D_FLAG

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

meson related:
* convert unit tests
* bugfixes for mtest2make
* miscellaneous bugfixes
* dead code removal and configure cleanups
* oss-fuzz fixes
* msys fixes

# gpg: Signature made Tue 08 Sep 2020 10:43:27 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (45 commits)
  docs: update build system documentation
  meson: remove linkage of sdl to baum
  meson: Convert undefsym.sh to undefsym.py
  fuzz: Add support for custom fuzzing library
  meson: specify fuzz linker script as a project arg
  oss-fuzz: fix rpath
  configure: update dtc submodule
  docs: suggest Meson replacements for various configure functions
  configure: drop dead variables and functions
  configure: do not include dependency flags in QEMU_CFLAGS and LIBS
  meson: get opengl compilation flags from OPENGL_CFLAGS
  meson: get glib compilation flags from GLIB_CFLAGS
  configure: do not look for install(1)
  configure: remove unnecessary libm test
  configure: move -ldl test to meson
  meson: keep all compiler flags detection together
  configure: move disassembler configuration to meson
  Makefile: inline the relevant parts of rules.mak
  Makefile: remove dead variables and includes
  meson: compute config_all_devices directly
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Most of the Makefile bits are obsolete and can be removed.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Ever since commit 537fe2d6 there
has been a 'linkage' to sdl for compiling baum.c. Originally it
had to do with including sdl cflags for any file including sdl
headers. There is no longer any such need for baum.c, but the
association has persisted in the make system, and with the switch
to meson it has now become a hard requirement, which now causes
chardev-baum.so to not be produced if sdl is not configured.
Remove this bogus linkage.

Signed-off-by: Bruce Rogers <brogers@suse.com>
Message-Id: <20200903152933.97838-1-brogers@suse.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Shell scripts are not easily invoked from the build process
on MSYS, so convert undefsym.sh to a python script.

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20200902170054.810-3-luoyonggang@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

On oss-fuzz, we must use the LIB_FUZZING_ENGINE and CFLAGS environment
variables, rather than -fsanitize=fuzzer. With this change, when
LIB_FUZZING_ENGINE is set, the --enable-fuzzing configure option will
use that environment variable during the linking stage, rather than
-fsanitize=fuzzer

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200902173652.307222-3-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

With this change, the fuzzer-linker script should be specified outside
any --start-group/--end-group pairs. We need this on oss-fuzz, where
partially applying the linker-script results in a linker failure

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200902173652.307222-2-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Prior to this change,
readelf -d build/out/qemu/qemu-fuzz-i386-target-virtio-net-slirp
...
0x000000000000000f (RPATH)  Library rpath: ['$$ORIGIN/lib':$ORIGIN/migration:$ORIGIN/]

As of 1a4db552 ("ninjatool: quote dollars in variables"), we don't
need to manually double the dollars. Also, remove the single-quotes as
they are copied into the rpath.

After this change:
0x000000000000000f (RPATH)  Library rpath: [$ORIGIN/lib:$ORIGIN/migration:$ORIGIN/]

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200902142657.112879-3-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Update the dtc submodule in configure already and symlink dtc after
git submodule update, because on win32 symlinks to non-existing folders
are forbidden.

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20200902170054.810-2-luoyonggang@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

All Meson executables should specify their dependencies explicitly, either
directly or indirectly via declare_dependency.  Makefiles instead did
not propagate dependencies correctly from static libraries, for example.
Therefore, flags for dependencies need not be included in QEMU_CFLAGS.
LIBS is not used at all, so drop that one as well.

In a few cases the dependencies were not yet specified, so add them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

The opengl compilation flags were added to QEMU_CFLAGS.  We do not
want them to be added to all compilation commands, so export them
also via OPENGL_CFLAGS rather than via QEMU_CFLAGS.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

The glib compilation flags were added to QEMU_CFLAGS.  While we still
want them to be added to all compilation commands (at least for now),
do that via GLIB_CFLAGS rather than via QEMU_CFLAGS.  This shows that
glib is a special case and makes it clearer that QEMU_CFLAGS is only
about compiler commands and not dependencies.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

It is not used anymore, so there is no Solaris-specific check to
perform.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

The same test is already performed by meson.build.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Most of rules.mak is not used anymore, just inline what's needed.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Makefile.objs, the .d files and various CONFIG_* symbols are not
used anymore by the Make side of the build; they are only processed
by Meson.  We can delete them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

There is no need anymore to produce config-all-devices.mak, compute
the resulting dictionary directly instead of going through grepy.sh.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

The $pwd_is_source_path variable is never "y", since
configure re-executes itself from a build directory.
Remove code that will never run.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-17-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

gettid() was introduced with glibc 2.30.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-16-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-15-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Use meson benchmark() for them, adjust mtest2make.py for that.
A new target "make bench" can be used to run all benchmarks.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-14-marcandre.lureau@redhat.com>
[Rewrite mtest2make part. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

As this makes the TAP output invalid. Use g_test_message().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200828110734.1638685-13-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-11-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-10-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

It was covered already in commit d3ca592b ("meson: convert check-block")

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-9-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Since there is not minimum version specified, and it's a test-only
dependency, it's fair to depend on a version that ships with a .pc I
suppose.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-8-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

This is required by test-qht-par unit test.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-5-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Rename the variable to be more explicit. A further clean-up patch will
move the actual to dependency check to meson entirely.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-4-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-3-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

- builds QAPI builtins types/visitor to fix a linking issue with
  unresolved symbols in the static library.

- work around a meson limitation on generated file output directories.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200828110734.1638685-2-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Add genh to the sources to avoid race conditions between QAPI
file generation and libqos compilation.

Make the name_suffix .fa for consistency with other link_whole
static libraries and to work around a Meson issue where
lots of linker flags are placed between -Wl,--start-group and
-Wl,--end-group and this breaks the fork-fuzz.ld linker script.

Reported-by: Claudio Fontana <cfontana@suse.de>
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Numbering files according to rules causes confusion, because
CUSTOM_COMMAND3.stamp from a previous build might represent
completely different targets after Makefile.ninja is regenerated.
As a result, the new targets are not rebuilt and compilation
fails.

Use the targets to build a SHA1 hash; the chances for collision
are one in 2^24 even with a 12-character prefix of the hash.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>