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* accel/tcg: Introduce TCGCPUOps::cpu_exec_halt() handlerPhilippe Mathieu-Daudé2024-01-291-0/+2
| | | | | | | | | | | In order to make accel/tcg/ target agnostic, introduce the cpu_exec_halt() handler. Reviewed-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20240124101639.30056-9-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: Introduce TCGCPUOps::need_replay_interrupt() handlerPhilippe Mathieu-Daudé2024-01-291-0/+5
| | | | | | | | | | | | In order to make accel/tcg/ target agnostic, introduce the need_replay_interrupt() handler. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Message-Id: <20240124101639.30056-7-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* include/hw/core: Remove i386 conditional on fake_user_interruptAnton Johansson2024-01-291-3/+2
| | | | | | | | | | | Always include fake_user_interrupt in user-only build, despite only being used for i386. This will enable cpu-exec.c to be compiled only once. Signed-off-by: Anton Johansson <anjo@rev.ng> Message-ID: <20240119144024.14289-18-anjo@rev.ng> [rth: Split out of a larger patch; remove TARGET_I386 conditional.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* include/hw/core: Move do_interrupt in TCGCPUOpsAnton Johansson2024-01-291-5/+2
| | | | | | | | | | | The ifdef out of which it is moved is not quite right: do_interrupt is only needed for system mode. Move it to the top of a different ifdef block, which preserves its position within the structure for that case. Signed-off-by: Anton Johansson <anjo@rev.ng> Message-Id: <20240119144024.14289-18-anjo@rev.ng> [rth: Split from a larger patch and simplified.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: spelling fixesMichael Tokarev2023-08-311-1/+1
| | | | | | | | Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Message-ID: <20230823065335.1919380-18-mjt@tls.msk.ru> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-ID: <20230823065335.1919380-19-mjt@tls.msk.ru> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
* hw/core/cpu: Check for USER_ONLY definition instead of SOFTMMU onePhilippe Mathieu-Daudé2023-06-201-51/+51
| | | | | | | | | | | | Since we *might* have user emulation with softmmu, replace the system emulation check by !user emulation one. Invert the #ifdef'ry in TCGCPUOps structure for clarity. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230613133347.82210-6-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softmmu: Restrict cpu_check_watchpoint / address_matches to TCG accelPhilippe Mathieu-Daudé2023-03-281-0/+43
| | | | | | | | | | Both cpu_check_watchpoint() and cpu_watchpoint_address_matches() are specific to TCG system emulation. Declare them in "tcg-cpu-ops.h" to be sure accessing them from non-TCG code is a compilation error. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230328173117.15226-2-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: Add restore_state_to_opc to TCGCPUOpsRichard Henderson2022-10-261-0/+11
| | | | | | | | | | Add a tcg_ops hook to replace the restore_state_to_opc function call. Because these generic hooks cannot depend on target-specific types, temporarily, copy the current target_ulong data[] into uint64_t d64[]. Reviewed-by: Claudio Fontana <cfontana@suse.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* hw/core: tcg-cpu-ops.h: Update comments of debug_check_watchpoint()Bin Meng2022-04-221-0/+1
| | | | | | | | | | This is now used by RISC-V as well. Update the comments. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220421003324.1134983-7-bmeng.cn@gmail.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* compiler.h: replace QEMU_NORETURN with G_NORETURNMarc-André Lureau2022-04-211-3/+3
| | | | | | | | | | | | | G_NORETURN was introduced in glib 2.68, fallback to G_GNUC_NORETURN in glib-compat. Note that this attribute must be placed before the function declaration (bringing a bit of consistency in qemu codebase usage). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Warner Losh <imp@bsdimp.com> Message-Id: <20220420132624.2439741-20-marcandre.lureau@redhat.com>
* hw/core: Add TCGCPUOps.record_sigbusRichard Henderson2021-11-021-0/+23
| | | | | | | | | Add a new user-only interface for updating cpu state before raising a signal. This will take the place of do_unaligned_access for user-only and should result in less boilerplate for each guest. Reviewed-by: Warner Losh <imp@bsdimp.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: Restrict TCGCPUOps::tlb_fill() to sysemuRichard Henderson2021-11-021-12/+10
| | | | | | | | We have replaced tlb_fill with record_sigsegv for user mode. Move the declaration to restrict it to system emulation. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* hw/core: Add TCGCPUOps.record_sigsegvRichard Henderson2021-11-021-0/+26
| | | | | | | | | Add a new user-only interface for updating cpu state before raising a signal. This will replace tlb_fill for user-only and should result in less boilerplate for each guest. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* hw/core: Make do_unaligned_access noreturnRichard Henderson2021-09-211-1/+2
| | | | | | | | | | While we may have had some thought of allowing system-mode to return from this hook, we have no guests that require this. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: Restrict TCGCPUOps::cpu_exec_interrupt() to sysemuPhilippe Mathieu-Daudé2021-09-141-2/+2
| | | | | | | | | | | | | All targets call TCGCPUOps::cpu_exec_interrupt() from sysemu code. Move its declaration to restrict it to system emulation. Extend the code guarded. Restrict the static inlined need_replay_interrupt() method to avoid a "defined but not used" warning. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210911165434.531552-24-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: Rename user-mode do_interrupt hack as fake_user_interruptPhilippe Mathieu-Daudé2021-09-141-8/+14
| | | | | | | | | | | | | | | | do_interrupt() is sysemu specific. However due to some X86 specific hack, it is also used in user-mode emulation, which is why it couldn't be restricted to CONFIG_SOFTMMU (see the comment around added in commit 78271684719: "cpu: tcg_ops: move to tcg-cpu-ops.h, keep a pointer in CPUClass"). Keep the hack but rename the handler as fake_user_interrupt() and restrict do_interrupt() to sysemu. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210911165434.531552-6-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* hw/core: Introduce TCGCPUOps.debug_check_breakpointRichard Henderson2021-07-211-0/+6
| | | | | | | | | | | New hook to return true when an architectural breakpoint is to be recognized and false when it should be suppressed. First use must wait until other pieces are in place. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* accel/tcg: Create io_recompile_replay_branch hookRichard Henderson2021-02-181-0/+10
| | | | | | | | | | | | | | Create a hook in which to split out the mips and sh4 ifdefs from cpu_io_recompile. [AJB: s/stoped/stopped/] Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210208233906.479571-3-richard.henderson@linaro.org> Message-Id: <20210213130325.14781-12-alex.bennee@linaro.org>
* exec: Move TranslationBlock typedef to qemu/typedefs.hRichard Henderson2021-02-181-2/+1
| | | | | | | | | | | | This also means we don't need an extra declaration of the structure in hw/core/cpu.h. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210208233906.479571-2-richard.henderson@linaro.org> Message-Id: <20210213130325.14781-11-alex.bennee@linaro.org>
* cpu: tcg_ops: move to tcg-cpu-ops.h, keep a pointer in CPUClassClaudio Fontana2021-02-051-0/+97
we cannot in principle make the TCG Operations field definitions conditional on CONFIG_TCG in code that is included by both common_ss and specific_ss modules. Therefore, what we can do safely to restrict the TCG fields to TCG-only builds, is to move all tcg cpu operations into a separate header file, which is only included by TCG, target-specific code. This leaves just a NULL pointer in the cpu.h for the non-TCG builds. This also tidies up the code in all targets a bit, having all TCG cpu operations neatly contained by a dedicated data struct. Signed-off-by: Claudio Fontana <cfontana@suse.de> Message-Id: <20210204163931.7358-16-cfontana@suse.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>