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accel/tcg: Introduce TCGCPUOps::need_replay_interrupt() handler

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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>
This commit is contained in:
Philippe Mathieu-Daudé 2024-01-24 11:16:36 +01:00 committed by Richard Henderson
parent 991bd65ddd
commit 0fdc69b76e
2 changed files with 10 additions and 3 deletions
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8
accel/tcg/cpu-exec.c
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@ -771,12 +771,14 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret)
* "real" interrupt event later. It does not need to be recorded for * "real" interrupt event later. It does not need to be recorded for
* replay purposes. * replay purposes.
*/ */
static inline bool need_replay_interrupt(int interrupt_request) static inline bool need_replay_interrupt(CPUState *cpu, int interrupt_request)
{ {
#if defined(TARGET_I386) #if defined(TARGET_I386)
return !(interrupt_request & CPU_INTERRUPT_POLL); return !(interrupt_request & CPU_INTERRUPT_POLL);
#else #else
return true; const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
return !tcg_ops->need_replay_interrupt
|| tcg_ops->need_replay_interrupt(interrupt_request);
#endif #endif
} }
#endif /* !CONFIG_USER_ONLY */ #endif /* !CONFIG_USER_ONLY */
@ -864,7 +866,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
if (tcg_ops->cpu_exec_interrupt && if (tcg_ops->cpu_exec_interrupt &&
tcg_ops->cpu_exec_interrupt(cpu, interrupt_request)) { tcg_ops->cpu_exec_interrupt(cpu, interrupt_request)) {
if (need_replay_interrupt(interrupt_request)) { if (need_replay_interrupt(cpu, interrupt_request)) {
replay_interrupt(); replay_interrupt();
} }
/* /*

5
include/hw/core/tcg-cpu-ops.h
View File

@ -166,6 +166,11 @@ struct TCGCPUOps {
*/ */
bool (*io_recompile_replay_branch)(CPUState *cpu, bool (*io_recompile_replay_branch)(CPUState *cpu,
const TranslationBlock *tb); const TranslationBlock *tb);
/**
* @need_replay_interrupt: Return %true if @interrupt_request
* needs to be recorded for replay purposes.
*/
bool (*need_replay_interrupt)(int interrupt_request);
#endif /* !CONFIG_USER_ONLY */ #endif /* !CONFIG_USER_ONLY */
#endif /* NEED_CPU_H */ #endif /* NEED_CPU_H */