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Testing, docs, semihosting and plugin updates

Browse source 
- update playbooks for custom runners
   - add section timing support to gitlab
   - upgrade fedora images to 37
   - purge perl from the build system and deps
   - disable unstable tests in CI
   - improve intro, emulation and semihosting docs
   - semihosting bug fix and O_BINARY default
   - add memory-sve test
   - fix some races in qht
   - improve plugin handling of memory helpers
   - optimise plugin hooks
   - fix some plugin deadlocks
   - reduce win64-cross build time by dropping some targets
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Merge tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu into staging

Testing, docs, semihosting and plugin updates

  - update playbooks for custom runners
  - add section timing support to gitlab
  - upgrade fedora images to 37
  - purge perl from the build system and deps
  - disable unstable tests in CI
  - improve intro, emulation and semihosting docs
  - semihosting bug fix and O_BINARY default
  - add memory-sve test
  - fix some races in qht
  - improve plugin handling of memory helpers
  - optimise plugin hooks
  - fix some plugin deadlocks
  - reduce win64-cross build time by dropping some targets

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# gpg: Signature made Thu 02 Feb 2023 15:59:52 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
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* tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu: (36 commits)
  gitlab: cut even more from cross-win64-system build
  plugins: Iterate on cb_lists in qemu_plugin_user_exit
  cpu-exec: assert that plugin_mem_cbs is NULL after execution
  tcg: exclude non-memory effecting helpers from instrumentation
  translator: always pair plugin_gen_insn_{start, end} calls
  plugins: fix optimization in plugin_gen_disable_mem_helpers
  plugins: make qemu_plugin_user_exit's locking order consistent with fork_start's
  util/qht: use striped locks under TSAN
  thread: de-const qemu_spin_destroy
  util/qht: add missing atomic_set(hashes[i])
  cpu: free cpu->tb_jmp_cache with RCU
  tests/tcg: add memory-sve test for aarch64
  semihosting: add O_BINARY flag in host_open for NT compatibility
  semihosting: Write back semihosting data before completion callback
  docs: add an introduction to the system docs
  semihosting: add semihosting section to the docs
  docs: add a new section to outline emulation support
  docs: add hotlinks to about preface text
  MAINTAINERS: Fix the entry for tests/tcg/nios2
  gitlab: wrap up test results for custom runners
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2023-02-02 18:00:40 +00:00
commit f991d61d35
75 changed files with 756 additions and 275 deletions
Download patch file Download diff file Expand all files Collapse all files

11
include/qemu/plugin.h
View file

@ -59,6 +59,8 @@ get_plugin_meminfo_rw(qemu_plugin_meminfo_t i)
#ifdef CONFIG_PLUGIN
extern QemuOptsList qemu_plugin_opts;
#define QEMU_PLUGIN_ASSERT(cond) g_assert(cond)
static inline void qemu_plugin_add_opts(void)
{
qemu_add_opts(&qemu_plugin_opts);
@ -118,7 +120,10 @@ struct qemu_plugin_insn {
void *haddr;
GArray *cbs[PLUGIN_N_CB_TYPES][PLUGIN_N_CB_SUBTYPES];
bool calls_helpers;
/* if set, the instruction calls helpers that might access guest memory */
bool mem_helper;
bool mem_only;
};
@ -158,6 +163,10 @@ struct qemu_plugin_tb {
void *haddr1;
void *haddr2;
bool mem_only;
/* if set, the TB calls helpers that might access guest memory */
bool mem_helper;
GArray *cbs[PLUGIN_N_CB_SUBTYPES];
};
@ -243,6 +252,8 @@ void qemu_plugin_user_postfork(bool is_child);
#else /* !CONFIG_PLUGIN */
#define QEMU_PLUGIN_ASSERT(cond)
static inline void qemu_plugin_add_opts(void)
{ }

5
include/qemu/thread.h
View file

@ -237,11 +237,10 @@ static inline void qemu_spin_init(QemuSpin *spin)
#endif
}
/* const parameter because the only purpose here is the TSAN annotation */
static inline void qemu_spin_destroy(const QemuSpin *spin)
static inline void qemu_spin_destroy(QemuSpin *spin)
{
#ifdef CONFIG_TSAN
__tsan_mutex_destroy((void *)spin, __tsan_mutex_not_static);
__tsan_mutex_destroy(spin, __tsan_mutex_not_static);
#endif
}

2
include/tcg/tcg.h
View file

@ -405,6 +405,8 @@ typedef TCGv_ptr TCGv_env;
#define TCG_CALL_NO_SIDE_EFFECTS 0x0004
/* Helper is G_NORETURN. */
#define TCG_CALL_NO_RETURN 0x0008
/* Helper is part of Plugins. */
#define TCG_CALL_PLUGIN 0x0010
/* convenience version of most used call flags */
#define TCG_CALL_NO_RWG TCG_CALL_NO_READ_GLOBALS