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421 Commits
Author SHA1 Message Date
Julian GanzandAlex Bennée b2d8618c21 target/m68k: call plugin trap callbacks 
We recently introduced API for registering callbacks for trap related
events as well as the corresponding hook functions. Due to differences
between architectures, the latter need to be called from target specific
code.

This change places hooks for Motorola 68000 targets.

Signed-off-by: Julian Ganz <neither@nut.email>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251027110344.2289945-18-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
 2025-10-29 14:12:43 +00:00
Philippe Mathieu-Daudé cb4ca3b358 target/m68k: Remove pointless @cpu_halted TCGv 
Avoid registering a TCGv to write the generic CPUState::halted
field. Access it directly via @env in both STOP / HALT opcodes.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250925012454.60602-1-philmd@linaro.org>
 2025-10-16 17:07:27 +02:00
Philippe Mathieu-Daudé eefee97c4c target/m68k: Remove unused @cpu_exception_index TCGv 
When moving the @exception_index from each target ArchCPU
to the global CPUState in commit 27103424c4 ("cpu: Move
exception_index field from CPU_COMMON to CPUState"), the
@cpu_exception_index TCGv has been created for m68k target.

For years, no code ever used this register. Simply remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250924171308.53036-1-philmd@linaro.org>
 2025-10-16 17:07:27 +02:00
Igor MammedovandPaolo Bonzini 87511341c3 add cpu_test_interrupt()/cpu_set_interrupt() helpers and use them tree wide 
The helpers form load-acquire/store-release pair and ensure
that appropriate barriers are in place in case checks happen
outside of BQL.

Use them to replace open-coded checkers/setters across the code,
to make sure that barriers are not missed.  Helpers also make code a
bit more readable.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Link: https://lore.kernel.org/r/20250821155603.2422553-1-imammedo@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2025-08-29 12:48:14 +02:00
Richard Henderson 981f2beb16 target: Use cpu_pointer_wrap_uint32 for 32-bit targets 
M68K, MicroBlaze, OpenRISC, RX, TriCore and Xtensa are
all 32-bit targets.  AVR is more complicated, but using
a 32-bit wrap preserves current behaviour.

Cc: Michael Rolnik <mrolnik@gmail.com>
Cc: Laurent Vivier <laurent@vivier.eu>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Tested-by Bastian Koppelmann <kbastian@mail.uni-paderborn.de> (tricore)
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-05-28 08:08:48 +01:00
Richard Henderson c37f8978d9 accel/tcg: Move cpu_get_tb_cpu_state to TCGCPUOps 
Move the global function name to a hook on TCGCPUOps.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-30 12:45:05 -07:00
Richard Henderson 4759aae432 accel/tcg: Return TCGTBCPUState from cpu_get_tb_cpu_state 
Combine 3 different pointer returns into one structure return.

Include a cflags field in TCGTBCPUState, not filled in by
cpu_get_tb_cpu_state, but used by all callers.  This fills
a hole in the structure and is useful in some subroutines.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-30 12:45:05 -07:00
Richard Henderson a59a876999 accel/tcg: Hoist cpu_get_tb_cpu_state decl to accl/tcg/cpu-ops.h 
For some targets, simply remove the local definition.
For other targets, move the inline definition out of line.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-30 12:45:05 -07:00
Richard Henderson 9181ab4528 accel/tcg: Introduce TCGCPUOps.cpu_exec_reset 
Initialize all instances with cpu_reset(), so that there
is no functional change.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-30 12:45:05 -07:00
Philippe Mathieu-DaudéandRichard Henderson 84307cd602 include: Remove 'exec/exec-all.h' 
"exec/exec-all.h" is now fully empty, let's remove it.

Mechanical change running:

  $ sed -i '/exec\/exec-all.h/d' $(git grep -wl exec/exec-all.h)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250424202412.91612-14-philmd@linaro.org>
 2025-04-30 12:45:05 -07:00
Philippe Mathieu-Daudé 12d1a768bd qom: Have class_init() take a const data argument 
Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>
 2025-04-25 17:00:41 +02:00
Stefan Hajnoczi 019fbfa4bc Merge tag 'pull-misc-2025-04-24' of https://repo.or.cz/qemu/armbru into staging 
Miscellaneous patches for 2025-04-24

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# gpg: Signature made Thu 24 Apr 2025 03:52:54 EDT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-misc-2025-04-24' of https://repo.or.cz/qemu/armbru:
  cleanup: Drop pointless label at end of function
  cleanup: Drop pointless return at end of function
  cleanup: Re-run return_directly.cocci

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
 2025-04-24 13:44:57 -04:00
Markus Armbruster 8a2b516ba2 cleanup: Drop pointless return at end of function 
A few functions now end with a label.  The next commit will clean them
up.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250407082643.2310002-3-armbru@redhat.com>
[Straightforward conflict with commit 988ad4cceb (hw/loongarch/virt:
Fix cpuslot::cpu set at last in virt_cpu_plug()) resolved]
 2025-04-24 09:33:42 +02:00
Philippe Mathieu-DaudéandRichard Henderson a3d40b5eff tcg: Convert TARGET_SUPPORTS_MTTCG to TCGCPUOps::mttcg_supported field 
Instead of having a compile-time TARGET_SUPPORTS_MTTCG definition,
have each target set the 'mttcg_supported' field in the TCGCPUOps
structure.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250405161320.76854-17-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:07:32 -07:00
Philippe Mathieu-DaudéandRichard Henderson 8201f1a29c tcg: Remove the TCG_GUEST_DEFAULT_MO definition globally 
By directly using TCGCPUOps::guest_default_memory_order,
we don't need the TCG_GUEST_DEFAULT_MO definition anymore.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:07:32 -07:00
Philippe Mathieu-DaudéandRichard Henderson 04583ce7e0 tcg: Define guest_default_memory_order in TCGCPUOps 
Add the TCGCPUOps::guest_default_memory_order field and have
each target initialize it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:07:32 -07:00
Philippe Mathieu-DaudéandRichard Henderson c2ba9fea42 tcg: Always define TCG_GUEST_DEFAULT_MO 
We only require the TCG_GUEST_DEFAULT_MO for MTTCG-enabled
frontends, otherwise we use a default value of TCG_MO_ALL.

In order to simplify, require the definition for all targets,
defining it for hexagon, m68k, rx, sh4 and tricore.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:07:32 -07:00
Philippe Mathieu-DaudéandRichard Henderson 42fa9665e5 exec: Restrict 'cpu_ldst.h' to accel/tcg/ 
Mechanical change using:

  $ sed -i -e 's,exec/cpu_ldst,accel/tcg/cpu-ldst,' \
        $(git grep -l exec/cpu_ldst.h)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:07:32 -07:00
Philippe Mathieu-DaudéandRichard Henderson 21d41c566d tcg: Declare TARGET_INSN_START_EXTRA_WORDS in 'cpu-param.h' 
To avoid including the huge "cpu.h" for a simple definition,
move TARGET_INSN_START_EXTRA_WORDS to "cpu-param.h".

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:07:32 -07:00
Pierrick BouvierandRichard Henderson 0df783b2fb exec/cpu-all: remove this header 
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-16-pierrick.bouvier@linaro.org>
 2025-04-23 15:04:57 -07:00
Pierrick BouvierandRichard Henderson d97c3b06de exec/cpu-all: transfer exec/cpu-common include to cpu.h headers 
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-15-pierrick.bouvier@linaro.org>
 2025-04-23 15:04:57 -07:00
Pierrick BouvierandRichard Henderson 9c2ff9cdc9 exec/cpu-all: remove exec/target_page include 
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-04-23 15:04:57 -07:00
Pierrick BouvierandRichard Henderson 22a7c2f239 exec/cpu-all: remove exec/cpu-interrupt include 
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-8-pierrick.bouvier@linaro.org>
 2025-04-23 15:04:57 -07:00
Pierrick BouvierandRichard Henderson 342e313d6c exec/cpu-all: remove system/memory include 
We include this header where needed. When includes set already have
ifdef CONFIG_USER_ONLY, we add it here, else, we don't condition the
include.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-5-pierrick.bouvier@linaro.org>
 2025-04-23 15:04:57 -07:00
Philippe Mathieu-DaudéandRichard Henderson cc944932ec target/m68k: Restrict SoftMMU mmu_index() to TCG 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250401080938.32278-12-philmd@linaro.org>
 2025-04-23 15:04:57 -07:00