Commit Graph

1037 Commits

Author SHA1 Message Date
Gerd Hoffmann c4ddab7ae5 build: fix device module builds
Slightly hackish workaround, works ok as long as we don't
have target-specific modules.  meson will obsolete this.

See comment in the patch for the --verbose description.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200624131045.14512-5-kraxel@redhat.com

[ kraxel: updated comment from discussions ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-07-07 15:29:31 +02:00
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 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
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
Alexander Bulekov c621dc3e01 fuzz: add target/fuzz makefile rules
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20200220041118.23264-18-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:48 +00:00
Alexander Bulekov 7b73386222 softmmu: split off vl.c:main() into main.c
A program might rely on functions implemented in vl.c, but implement its
own main(). By placing main into a separate source file, there are no
complaints about duplicate main()s when linking against vl.o. For
example, the virtual-device fuzzer uses a main() provided by libfuzzer,
and needs to perform some initialization before running the softmmu
initialization. Now, main simply calls three vl.c functions which
handle the guest initialization, main loop and cleanup.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-3-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:47 +00:00
Alexander Bulekov bac068e064 softmmu: move vl.c to softmmu/
Move vl.c to a separate directory, similar to linux-user/
Update the chechpatch and get_maintainer scripts, since they relied on
/vl.c for top_of_tree checks.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-2-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:47 +00:00
Paolo Bonzini b8d89ba83b crypto: move common bits for all emulators to libqemuutil
qcrypto_random_*, AES and qcrypto_init do not need to be linked as a whole
and are the only parts that are used by user-mode emulation.  Place them
in libqemuutil, so that whatever needs them will pick them up automatically.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-12-17 19:32:48 +01:00
Peter Maydell 68d8ef4ec5 TCG Plugins initial implementation
- use --enable-plugins @ configure
   - low impact introspection (-plugin empty.so to measure overhead)
   - plugins cannot alter guest state
   - example plugins included in source tree (tests/plugins)
   - -d plugin to enable plugin output in logs
   - check-tcg runs extra tests when plugins enabled
   - documentation in docs/devel/plugins.rst
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-tcg-plugins-281019-4' into staging

TCG Plugins initial implementation

  - use --enable-plugins @ configure
  - low impact introspection (-plugin empty.so to measure overhead)
  - plugins cannot alter guest state
  - example plugins included in source tree (tests/plugins)
  - -d plugin to enable plugin output in logs
  - check-tcg runs extra tests when plugins enabled
  - documentation in docs/devel/plugins.rst

# gpg: Signature made Mon 28 Oct 2019 15:13:23 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-tcg-plugins-281019-4: (57 commits)
  travis.yml: enable linux-gcc-debug-tcg cache
  MAINTAINERS: add me for the TCG plugins code
  scripts/checkpatch.pl: don't complain about (foo, /* empty */)
  .travis.yml: add --enable-plugins tests
  include/exec: wrap cpu_ldst.h in CONFIG_TCG
  accel/stubs: reduce headers from tcg-stub
  tests/plugin: add hotpages to analyse memory access patterns
  tests/plugin: add instruction execution breakdown
  tests/plugin: add a hotblocks plugin
  tests/tcg: enable plugin testing
  tests/tcg: drop test-i386-fprem from TESTS when not SLOW
  tests/tcg: move "virtual" tests to EXTRA_TESTS
  tests/tcg: set QEMU_OPTS for all cris runs
  tests/tcg/Makefile.target: fix path to config-host.mak
  tests/plugin: add sample plugins
  linux-user: support -plugin option
  vl: support -plugin option
  plugin: add qemu_plugin_outs helper
  plugin: add qemu_plugin_insn_disas helper
  plugin: expand the plugin_init function to include an info block
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-30 14:10:32 +00:00
Emilio G. Cota 54cb65d858 plugin: add core code
Signed-off-by: Emilio G. Cota <cota@braap.org>
[AJB: moved directory and merged various fixes]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-10-28 15:12:38 +00:00
Richard Henderson 7886cefe5d exec: Split out variable page size support to exec-vary.c
The next patch will play a trick with "const" that will
confuse the compiler about the uses of target_page_bits
within exec.c.  Moving everything to a new file prevents
this confusion.

No functional change so far.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-10-28 10:26:02 +01:00
Paolo Bonzini fc76c56d3f tests/tcg: cleanup Makefile inclusions
Rename Makefile.probe to Makefile.prereqs and make it actually
define rules for the tests.

Rename Makefile to Makefile.target, since it is not a toplevel
makefile.

Rename Makefile.include to Makefile.qemu and disentangle it
from the QEMU Makefile.target, so that it is invoked recursively
by tests/Makefile.include.  Tests are now placed in
tests/tcg/$(TARGET).

Drop the usage of TARGET_BASE_ARCH, which is ignored by everything except
x86_64 and aarch64.  Fix x86 tests by using -cpu max and, while
at it, standardize on QEMU_OPTS for aarch64 tests too.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20190807143523.15917-3-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-09-10 09:38:33 +01:00
Daniel P. Berrangé 02f9135be6 configure: only link capstone to emulation targets
Only the emulators link to code that uses capstone, so adding it to the
global LIBs places undesirable dependancies on other binaries, in
particular the tools.

There is no variable that covers both user emulation and machine
emulation, so add a new "$libs_cpu" for this purpose.

In particular this removes the 8 MB capstone dep from the things
qemu-img links against, allowing for a more minimal installation
in scenarios that don't want system emulators installed.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-07-19 12:52:04 +01:00
Peter Maydell c4107e8208 Bugfixes.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Bugfixes.

# gpg: Signature made Fri 05 Jul 2019 21:21:52 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# 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/tags/for-upstream:
  ioapic: use irq number instead of vector in ioapic_eoi_broadcast
  hw/i386: Fix linker error when ISAPC is disabled
  Makefile: generate header file with the list of devices enabled
  target/i386: kvm: Fix when nested state is needed for migration
  minikconf: do not include variables from MINIKCONF_ARGS in config-all-devices.mak
  target/i386: fix feature check in hyperv-stub.c
  ioapic: clear irq_eoi when updating the ioapic redirect table entry
  intel_iommu: Fix unexpected unmaps during global unmap
  intel_iommu: Fix incorrect "end" for vtd_address_space_unmap
  i386/kvm: Fix build with -m32
  checkpatch: do not warn for multiline parenthesized returned value
  pc: fix possible NULL pointer dereference in pc_machine_get_device_memory_region_size()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-08 10:26:18 +01:00
Julio Montes 6c22ea9d83 Makefile: generate header file with the list of devices enabled
v2: generate config-devices.h which contains the list of devices enabled

Message-Id: <20190705143554.10295-1-julio.montes@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Julio Montes <julio.montes@intel.com>
2019-07-05 22:19:58 +02:00
Markus Armbruster c2a8714801 dump: Move the code to dump/
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190619201050.19040-16-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-07-02 13:37:00 +02:00
Markus Armbruster ac057879f4 hw/core: Move numa.c to hw/core/
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190619201050.19040-10-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-07-02 13:37:00 +02:00
Kevin Wolf e84328faa9 Move monitor.c to monitor/misc.c
Create a new monitor/ subdirectory and move monitor.c there. As the plan
is to move the monitor core into separate files, use the chance to
rename it to misc.c.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190613153405.24769-8-kwolf@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-17 20:36:56 +02:00
Alex Bennée 90e671a9b2 Makefile.target: support per-target coverage reports
Add support for generating a single targets coverage report. Execute:

  make coverage-report

In the target build directory. This coverage report only cares about
target specific blobs so only searches the target build subdirectory.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-28 10:28:51 +01:00
Richard Henderson 243dc2cf95 build: Link user-only with crypto random number objects
For user-only, we require only the random number bits of the
crypto subsystem.  Rename crypto-aes-obj-y to crypto-user-obj-y,
and add the random number objects, plus init.o to handle any
extra stuff the crypto library requires.

Move the crypto libraries from libs_softmmu and libs_tools to
LIBS, so that they are universally used.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-22 12:38:54 -04:00
Laurent Vivier 3dff199cca build: replace GENERATED_FILES by generated-files-y
When possible use generated-files-$(FLAG) to disable
some targets (like KEYCODEMAP_FILES).

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20190401141222.30034-3-lvivier@redhat.com>
2019-05-17 15:19:39 +02:00
Alex Bennée e24e66f06d tests/tcg: enable tcg tests for softmmu
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-03-12 17:05:21 +00:00
Paolo Bonzini 74970d35b4 build: clean trace/generated-helpers.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-11 16:33:49 +01:00
Paolo Bonzini f72036fad4 build: remove unnecessary assignments from Makefile.target
It is only necessary to clear block-obj-y because Makefile.objs
uses "+=" instead of "="; fix that and remove the assignment.
The other variables need not be cleared at all.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-11 16:33:49 +01:00
Paolo Bonzini 310b3fe9e5 build: get rid of target-obj-y
It is possible to specify the trace/ directory already in objs-y;
there is no need to have a separate unnest-vars invocation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-11 16:33:49 +01:00
Peter Maydell 6bbbe16a02 Slirp updates
Greg Kurz (1):
   slirp: Fix build with gcc 9
 
 Marc-André Lureau (7):
   slirp: adapt a subset of QEMU vmstate code
   slirp: use libslirp migration code
   slirp: use "slirp_" prefix for inet_aton() win32 implementation
   slirp: move sources to src/ subdirectory
   slirp: add a standalone Makefile
   build-sys: link with slirp as an external project
   slirp: remove QEMU Makefile.objs
 
 Samuel Thibault (2):
   slirp: fix big/little endian conversion in ident protocol
   slirp: Mark pieces missing IPv6 support
 
 Vic Lee (1):
   slirp: check for ioctlsocket error and 0-length udp payload.
 
 William Bowling (1):
   slirp: check sscanf result when emulating ident
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Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging

Slirp updates

Greg Kurz (1):
  slirp: Fix build with gcc 9

Marc-André Lureau (7):
  slirp: adapt a subset of QEMU vmstate code
  slirp: use libslirp migration code
  slirp: use "slirp_" prefix for inet_aton() win32 implementation
  slirp: move sources to src/ subdirectory
  slirp: add a standalone Makefile
  build-sys: link with slirp as an external project
  slirp: remove QEMU Makefile.objs

Samuel Thibault (2):
  slirp: fix big/little endian conversion in ident protocol
  slirp: Mark pieces missing IPv6 support

Vic Lee (1):
  slirp: check for ioctlsocket error and 0-length udp payload.

William Bowling (1):
  slirp: check sscanf result when emulating ident

# gpg: Signature made Thu 07 Mar 2019 11:51:20 GMT
# gpg:                using RSA key E61DBB15D4172BDEC97E92D9DB550E89F0FA54F3
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>" [unknown]
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>" [unknown]
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>" [unknown]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: E61D BB15 D417 2BDE C97E  92D9 DB55 0E89 F0FA 54F3

* remotes/thibault/tags/samuel-thibault:
  slirp: remove QEMU Makefile.objs
  build-sys: link with slirp as an external project
  slirp: add a standalone Makefile
  slirp: move sources to src/ subdirectory
  slirp: use "slirp_" prefix for inet_aton() win32 implementation
  slirp: use libslirp migration code
  slirp: adapt a subset of QEMU vmstate code
  slirp: Mark pieces missing IPv6 support
  slirp: fix big/little endian conversion in ident protocol
  slirp: check sscanf result when emulating ident
  slirp: check for ioctlsocket error and 0-length udp payload.
  slirp: Fix build with gcc 9

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-08 11:55:53 +00:00
Paolo Bonzini e0e312f352 build: switch to Kconfig
The make_device_config.sh script is replaced by minikconf, which
is modified to support the same command line as its predecessor.

The roots of the parsing are default-configs/*.mak, Kconfig.host and
hw/Kconfig.  One difference with make_device_config.sh is that all symbols
have to be defined in a Kconfig file, including those coming from the
configure script.  This is the reason for the Kconfig.host file introduced
in the previous patch. Whenever a file in default-configs/*.mak used
$(...) to refer to a config-host.mak symbol, this is replaced by a
Kconfig dependency; this part must be done already in this patch
for bisectability.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190123065618.3520-28-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-07 21:45:53 +01:00
Marc-André Lureau 675b9b5368 build-sys: link with slirp as an external project
Use the "system" libslirp if its present or requested.

Else build with a static libslirp.a if slirp/ is checked
out ("internal") or a submodule ("git").

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190212162524.31504-7-marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2019-03-07 12:46:31 +01:00
Daniel P. Berrange 5b76dd132c authz: add QAuthZ object as an authorization base class
The current qemu_acl module provides a simple access control list
facility inside QEMU, which is used via a set of monitor commands
acl_show, acl_policy, acl_add, acl_remove & acl_reset.

Note there is no ability to create ACLs - the network services (eg VNC
server) were expected to create ACLs that they want to check.

There is also no way to define ACLs on the command line, nor potentially
integrate with external authorization systems like polkit, pam, ldap
lookup, etc.

The QAuthZ object defines a minimal abstract QOM class that can be
subclassed for creating different authorization providers.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2019-02-26 15:25:58 +00:00
Markus Armbruster 88554a2005 build: Deal with all of QAPI's .o in qapi/Makefile.objs
Adding QAPI's .o to util-obj-y, common-obj-y and obj-y is spread over
three places: Makefile.objs takes care of target-independent generated
code, Makefile.target of target-dependent generated code, and
qapi/Makefile.objs of (target-independent) hand-written code.

Do everything in qapi/Makefile.objs.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190214152251.2073-8-armbru@redhat.com>
2019-02-18 14:44:04 +01:00
Marc-André Lureau c19099f637 build-sys: move qmp-introspect per target
The following patches are going to introduce per-target #ifdef in the
schemas.

The introspection data is statically generated once, and must thus be
built per-target to reflect target-specific configuration.

Drop "do_test_visitor_in_qmp_introspect(&qmp_schema_qlit)" since the
schema is no longer in a common object. It is covered by the per-target
query-qmp-schema test instead.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190214152251.2073-7-armbru@redhat.com>
2019-02-18 14:44:04 +01:00
Daniel P. Berrangé 62dd1048c0 trace: add ability to do simple printf logging via systemtap
The dtrace systemtap trace backend for QEMU is very powerful but it is
also somewhat unfriendly to users who aren't familiar with systemtap,
or who don't need its power right now.

  stap -e "....some strange script...."

The 'log' backend for QEMU by comparison is very crude but incredibly
easy to use:

 $ qemu -d trace:qio* ...some args...
 23266@1547735759.137292:qio_channel_socket_new Socket new ioc=0x563a8a39d400
 23266@1547735759.137305:qio_task_new Task new task=0x563a891d0570 source=0x563a8a39d400 func=0x563a86f1e6c0 opaque=0x563a89078000
 23266@1547735759.137326:qio_task_thread_start Task thread start task=0x563a891d0570 worker=0x563a86f1ce50 opaque=0x563a891d9d90
 23273@1547735759.137491:qio_task_thread_run Task thread run task=0x563a891d0570
 23273@1547735759.137503:qio_channel_socket_connect_sync Socket connect sync ioc=0x563a8a39d400 addr=0x563a891d9d90
 23273@1547735759.138108:qio_channel_socket_connect_fail Socket connect fail ioc=0x563a8a39d400

This commit introduces a way to do simple printf style logging of probe
points using systemtap. In particular it creates another set of tapsets,
one per emulator:

  /usr/share/systemtap/tapset/qemu-*-log.stp

These pre-define probe functions which simply call printf() on their
arguments. The printf() format string is taken from the normal
trace-events files, with a little munging to the format specifiers
to cope with systemtap's more restrictive syntax.

With this you can now do

 $ stap -e 'probe qemu.system.x86_64.log.qio*{}'
 22806@1547735341399856820 qio_channel_socket_new Socket new ioc=0x56135d1d7c00
 22806@1547735341399862570 qio_task_new Task new task=0x56135cd66eb0 source=0x56135d1d7c00 func=0x56135af746c0 opaque=0x56135bf06400
 22806@1547735341399865943 qio_task_thread_start Task thread start task=0x56135cd66eb0 worker=0x56135af72e50 opaque=0x56135c071d70
 22806@1547735341399976816 qio_task_thread_run Task thread run task=0x56135cd66eb0

We go one step further though and introduce a 'qemu-trace-stap' tool to
make this even easier

 $ qemu-trace-stap run qemu-system-x86_64 'qio*'
 22806@1547735341399856820 qio_channel_socket_new Socket new ioc=0x56135d1d7c00
 22806@1547735341399862570 qio_task_new Task new task=0x56135cd66eb0 source=0x56135d1d7c00 func=0x56135af746c0 opaque=0x56135bf06400
 22806@1547735341399865943 qio_task_thread_start Task thread start task=0x56135cd66eb0 worker=0x56135af72e50 opaque=0x56135c071d70
 22806@1547735341399976816 qio_task_thread_run Task thread run task=0x56135cd66eb0

This tool is clever in that it will automatically change the
SYSTEMTAP_TAPSET env variable to point to the directory containing the
right set of probes for the QEMU binary path you give it. This is useful
if you have QEMU installed in /usr but are trying to test and trace a
binary in /home/berrange/usr/qemu-git. In that case you'd do

 $ qemu-trace-stap run /home/berrange/usr/qemu-git/bin/qemu-system-x86_64 'qio*'

And it'll make sure /home/berrange/usr/qemu-git/share/systemtap/tapset
is used for the trace session

The 'qemu-trace-stap' script takes a verbose arg so you can understand
what it is running

 $ qemu-trace-stap run /home/berrange/usr/qemu-git/bin/qemu-system-x86_64 'qio*'
 Using tapset dir '/home/berrange/usr/qemu-git/share/systemtap/tapset' for binary '/home/berrange/usr/qemu-git/bin/qemu-system-x86_64'
 Compiling script 'probe qemu.system.x86_64.log.qio* {}'
 Running script, <Ctrl>-c to quit
 ...trace output...

It can enable multiple probes at once

 $ qemu-trace-stap run qemu-system-x86_64 'qio*' 'qcrypto*' 'buffer*'

By default it monitors all existing running processes and all future
launched proceses. This can be restricted to a specific PID using the
--pid arg

 $ qemu-trace-stap run --pid 2532 qemu-system-x86_64 'qio*'

Finally if you can't remember what probes are valid it can tell you

 $ qemu-trace-stap list qemu-system-x86_64
 ahci_check_irq
 ahci_cmd_done
 ahci_dma_prepare_buf
 ahci_dma_prepare_buf_fail
 ahci_dma_rw_buf
 ahci_irq_lower
 ...snip...

Or list just those matching a prefix pattern

 $ qemu-trace-stap list -v qemu-system-x86_64 'qio*'
 Using tapset dir '/home/berrange/usr/qemu-git/share/systemtap/tapset' for binary '/home/berrange/usr/qemu-git/bin/qemu-system-x86_64'
 Listing probes with name 'qemu.system.x86_64.log.qio*'
 qio_channel_command_abort
 qio_channel_command_new_pid
 qio_channel_command_new_spawn
 qio_channel_command_wait
 qio_channel_file_new_fd
 ...snip...

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20190123120016.4538-5-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-01-24 14:16:56 +00:00
Marc-André Lureau 1fdf39927f build-sys: use a separate slirp-obj-y && slirp.mo
This will allow to have cflags for the whole slirp.mo -objs.
It makes it possible to build tests that links only with
slirp-obj-y (and not the whole common-obj).

It is also a step towards building slirp as a shared library, although
this requires a bit more thoughts to build with
net/slirp.o (CONFIG_SLIRP would need to be 'm') and other build issues.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2019-01-14 23:36:32 +01:00
Thomas Huth d376e9de07 configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012]
Now that we require at least GCC 4.8, we don't need this als workaround
for 4.6 and 4.7 anymore.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2018-12-12 10:01:12 +01:00
Viktor Prutyanov 2da91b54fe dump: add Windows dump format to dump-guest-memory
This patch adds Windows crashdumping feature. Now QEMU can produce ELF-dump
containing Windows crashdump header, which can help to convert to a valid
WinDbg-understandable crashdump file, or immediately create such file.
The crashdump will be obtained by joining physical memory dump and 8K header
exposed through vmcoreinfo/fw_cfg device by guest driver at BSOD time. Option
'-w' was added to dump-guest-memory command. At the moment, only x64
configuration is supported.
Suitable driver can be found at
https://github.com/virtio-win/kvm-guest-drivers-windows/tree/master/fwcfg64

Signed-off-by: Viktor Prutyanov <viktor.prutyanov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180517162342.4330-2-viktor.prutyanov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-29 13:02:48 +02:00
Alex Bennée c722a9e492 Makefile.target: add (clean-/build-)guest-tests targets
Now all the build infrastructure is in place we can build tests for
each guest that we support. That support mainly depends on having
cross compilers installed or docker setup. To keep all the logic for
that together we put the rules in tests/tcg/Makefile.include and
include it from the main Makefile.target.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-06-20 20:22:34 +01:00
Paolo Bonzini 8f971cf0c9 tcg: remove softfloat from --disable-tcg builds
Even though the presence of softfloat does not cause --disable-tcg builds to fail,
it is the single largest .o file in them.  Remove it, since TCG is the only client.

Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-01 15:13:46 +02:00
Michael S. Tsirkin 9edc19c939 make: switch from -I to -iquote
Our rule right now is to use <> for external headers,
"" for internal ones. The idea was to avoid conflicts
between e.g. a system file named <trace.h> and an
internal one by the same name.

Unfortunately we use -I compiler flag so it does not
help: a system file doing #include <trace.h> will
still pick up ours first.

To fix, switch to -iquote which is supported by both
gcc and clang and only affects #include "" directives.

As a side effect, this catches any future uses of
 #include <> for internal headers.

Suggested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
2018-03-23 18:38:55 +03:00
Richard Henderson db432672dc tcg: Add generic vector expanders
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-02-08 15:54:05 +00:00
Richard Henderson d2fd745fe8 tcg: Add types and basic operations for host vectors
Nothing uses or enables them yet.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-02-08 15:54:04 +00:00
Stefan Weil 2fe47fce78 Fix build of console and GUI executables for Windows
It was broken by commit 8ecc89f6e7 which
moved the SDL linker flags from macro libs_softmmu to macro SDL_LIBS.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-id: 20171116163732.31584-1-sw@weilnetz.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-11-23 10:46:42 +00:00
Paolo Bonzini 7271a81949 build: remove CONFIG_LIBDECNUMBER
It is used by all PPC targets; we can give the directory its own
Makefile.objs file, and include it directly from target/ppc.
target/s390 can do the same when it starts using it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-10-16 18:03:52 +02:00
Philippe Mathieu-Daudé 4c44a007b5 accel/hax: move hax-stub.c to accel/stubs/
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170913221149.30382-1-f4bug@amsat.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-09-19 16:20:49 +02:00
Paolo Bonzini ebedb37c8d Makefile: Remove libqemustub.a
Using two libraries (libqemuutil.a and libqemustub.a) would sometimes
result in circular dependencies. To avoid these issues let's just
combine both into a single library that functions as both.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <54e6458745493d10901964624479a7d9a872f481.1503077821.git.alistair.francis@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-19 16:20:31 +02:00
Philippe Mathieu-Daudé 61a3f8f6c0 accel/tcg: move tcg-runtime to accel/tcg/
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170911213328.9701-4-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2017-09-17 06:52:19 -07:00
Philippe Mathieu-Daudé 5841066668 accel/tcg: move user-exec to accel/tcg/
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170911213328.9701-3-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2017-09-17 06:52:19 -07:00
Daniel P. Berrange ed8650586f trace: ensure .stp files are rebuilt if trace tool source changes
The make rules for generating the .stp files forgot to add a dep
on $(tracetool-y) to trigger a rebuild if the trace tool source
changes.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170728133631.5449-1-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-08-01 10:36:29 +01:00
Yang Zhong e4b4b6428c tcg: add the CONFIG_TCG into Makefiles
Add the CONFIG_TCG for frontend and backend's files in the related
Makefiles.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-07-05 09:12:44 +02:00
Thomas Huth 5ddc64822b Makefile: Move bootdevice.o to common-obj-y
There does not seem to be any target specific code in this file, so
we can put it into "common-obj" instead of "obj" to compile it only
once for all targets.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1498454578-18709-7-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-07-04 14:39:27 +02:00
Philippe Mathieu-Daudé 8dfaf23ae1 tcg/tci: fix tcg-interpreter build
fix regression from commit 244f144134:

    $ make subdir-arm-softmmu
    make[1]: *** No rule to make target 'tci.o', needed by 'qemu-system-arm'.  Stop.
    Makefile:328: recipe for target 'subdir-arm-softmmu' failed
    make: *** [subdir-arm-softmmu] Error 2

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170620163009.21764-1-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-06-20 18:39:15 +01:00