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105 Commits
Author SHA1 Message Date
Alex BennéeandPhilippe Mathieu-Daudé 2fa16246dd plugins: remove special casing for cpu->realized 
Now the condition variable is initialised early on we don't need to go
through hoops to avoid calling async_run_on_cpu.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240530194250.1801701-5-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
 2024-06-04 10:02:39 +02:00
Pierrick BouvierandAlex Bennée 09afe9677e plugins: remove op from qemu_plugin_inline_cb 
This field is not needed as the callback type already holds this
information.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-10-pierrick.bouvier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-12-alex.bennee@linaro.org>
 2024-05-16 08:55:23 +01:00
Pierrick BouvierandAlex Bennée f86fd4d872 plugins: distinct types for callbacks 
To prevent errors when writing new types of callbacks or inline
operations, we split callbacks data to distinct types.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-8-pierrick.bouvier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-10-alex.bennee@linaro.org>
 2024-05-16 08:55:23 +01:00
Pierrick BouvierandAlex Bennée 7de77d3788 plugins: conditional callbacks 
Extend plugins API to support callback called with a given criteria
(evaluated inline).

Added functions:
- qemu_plugin_register_vcpu_tb_exec_cond_cb
- qemu_plugin_register_vcpu_insn_exec_cond_cb

They expect as parameter a condition, a qemu_plugin_u64_t (op1) and an
immediate (op2). Callback is called if op1 |cond| op2 is true.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-6-pierrick.bouvier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
[AJB: fix re-base conflict with tb_is_mem_only()]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-8-alex.bennee@linaro.org>
 2024-05-16 08:55:02 +01:00
Pierrick BouvierandAlex Bennée 36a1d8e710 plugins: add new inline op STORE_U64 
This new operation can store an immediate u64 value to a given
scoreboard.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-4-pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-6-alex.bennee@linaro.org>
 2024-05-16 08:47:01 +01:00
Pierrick BouvierandAlex Bennée 21032784e5 plugins: prepare introduction of new inline ops 
Until now, only add_u64 was available, and all functions assumed this or
were named uniquely.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-4-alex.bennee@linaro.org>
 2024-05-16 08:47:01 +01:00
Richard Henderson 4c833c60e0 disas: Use translator_st to get disassembly data 
Read from already translated pages, or saved mmio data.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-15 08:55:19 +02:00
Richard Henderson e763953a24 plugins: Use DisasContextBase for qemu_plugin_tb_vaddr 
We do not need to separately record the start of the TB.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-15 08:55:18 +02:00
Richard Henderson d3ace10590 plugins: Use DisasContextBase for qemu_plugin_insn_haddr 
We can delay the computation of haddr until the plugin
actually requests it.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-15 08:55:18 +02:00
Richard Henderson e501325991 plugins: Read mem_only directly from TB cflags 
Do not pass around a boolean between multiple structures,
just read it from the TranslationBlock in the TCGContext.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-15 08:55:18 +02:00
Richard Henderson 36bc99bc78 plugins: Use translator_st for qemu_plugin_insn_data 
Use the bytes that we record for the entire TB, rather than
a per-insn GByteArray.  Record the length of the insn in
plugin_gen_insn_end rather than infering from the length
of the array.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-15 08:55:18 +02:00
Richard Henderson 4abc892362 plugins: Copy memory in qemu_plugin_insn_data 
Instead of returning a host pointer, copy the data into
storage provided by the caller.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-15 08:55:18 +02:00
Philippe Mathieu-Daudé 80f034c5b2 accel/tcg: Move @plugin_mem_cbs from CPUState to CPUNegativeOffsetState 
@plugin_mem_cbs is accessed by tcg generated code, move it
to CPUNegativeOffsetState.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240429213050.55177-4-philmd@linaro.org>
 2024-05-06 11:24:14 +02:00
Richard Henderson 97c872276d Merge tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu into staging 
- Fix NULL dereference in NVMM & WHPX init_vcpu()
- Move user emulation headers "exec/user" to "user"
- Fix SH-4 ADDV / SUBV opcodes
- Drop Cocoa compatility on macOS <= 10.12
- Update Anthony PERARD email

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* tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu:
  ui/cocoa.m: Drop old macOS-10.12-and-earlier compat ifdefs
  target/sh4: Rename TCGv variables as manual for SUBV opcode
  target/sh4: Rename TCGv variables as manual for ADDV opcode
  target/sh4: Fix SUBV opcode
  target/sh4: Fix ADDV opcode
  MAINTAINERS: Update my email address
  plugins: Update stale comment
  plugins/api: Only include 'exec/ram_addr.h' with system emulation
  coverity: Update user emulation regexp
  user: Move 'thunk.h' from 'exec/user' to 'user'
  user: Move 'abitypes.h' from 'exec/user' to 'user'
  exec: Include missing license in 'exec/cpu-common.h'
  accel/whpx: Fix NULL dereference in whpx_init_vcpu()
  accel/nvmm: Fix NULL dereference in nvmm_init_vcpu()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-05-03 14:42:50 -07:00
Philippe Mathieu-Daudé e096d370ad plugins: Update stale comment 
"plugin_mask" was renamed as "event_mask" in commit c006147122
("plugins: create CPUPluginState and migrate plugin_mask").

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240427155714.53669-3-philmd@linaro.org>
 2024-05-03 17:21:20 +02:00
Philippe Mathieu-Daudé 155fb465b1 plugins/api: Only include 'exec/ram_addr.h' with system emulation 
"exec/ram_addr.h" shouldn't be used with user emulation.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240427155714.53669-4-philmd@linaro.org>
 2024-05-03 17:21:20 +02:00
Richard Henderson ccd8f17e02 plugins: Introduce PLUGIN_CB_MEM_REGULAR 
Use different enumerators for vcpu_udata and vcpu_mem callbacks.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson db409c01fd plugins: Simplify callback queues 
We have qemu_plugin_dyn_cb.type to differentiate the various
callback types, so we do not need to keep them in separate queues.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson b0748975b8 tcg: Remove TCG_CALL_PLUGIN 
Since we no longer emit plugin helpers during the initial code
translation phase, we don't need to specially mark plugin helpers.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson ac977170bf plugins: Use emit_before_op for PLUGIN_GEN_FROM_INSN 
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson 21a3f62ff2 plugins: Use emit_before_op for PLUGIN_GEN_FROM_TB 
By having the qemu_plugin_cb_flags be recorded in the TCGHelperInfo,
we no longer need to distinguish PLUGIN_CB_REGULAR from
PLUGIN_CB_REGULAR_R, so place all TB callbacks in the same queue.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson c7ba94836a plugins: Create TCGHelperInfo for all out-of-line callbacks 
TCGHelperInfo includes the ABI for every function call.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson aff56de576 plugins: Move function pointer in qemu_plugin_dyn_cb 
The out-of-line function pointer is mutually exclusive
with inline expansion, so move it into the union.
Wrap the pointer in a structure named 'regular' to match
PLUGIN_CB_REGULAR.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Richard Henderson 25875fe92e plugins: Zero new qemu_plugin_dyn_cb entries 
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-04-30 16:12:05 -07:00
Marc-André LureauandPhilippe Mathieu-Daudé c65288de4d plugins: fix -Werror=maybe-uninitialized false-positive 
../plugins/loader.c:405:15: error: ‘ctx’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240328102052.3499331-15-marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
 2024-04-02 16:15:07 +02:00