Redirect cpu_interrupt to callback handler
This allows to override the interrupt handling of QEMU in system mode. KVM will make use of it to set a specialized handler. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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14
cpu-all.h
14
cpu-all.h
@ -799,7 +799,19 @@ extern CPUState *cpu_single_env;
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#define CPU_INTERRUPT_SIPI 0x800 /* SIPI pending. */
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#define CPU_INTERRUPT_SIPI 0x800 /* SIPI pending. */
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#define CPU_INTERRUPT_MCE 0x1000 /* (x86 only) MCE pending. */
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#define CPU_INTERRUPT_MCE 0x1000 /* (x86 only) MCE pending. */
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void cpu_interrupt(CPUState *s, int mask);
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#ifndef CONFIG_USER_ONLY
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typedef void (*CPUInterruptHandler)(CPUState *, int);
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extern CPUInterruptHandler cpu_interrupt_handler;
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static inline void cpu_interrupt(CPUState *s, int mask)
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{
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cpu_interrupt_handler(s, mask);
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}
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#else /* USER_ONLY */
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void cpu_interrupt(CPUState *env, int mask);
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#endif /* USER_ONLY */
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void cpu_reset_interrupt(CPUState *env, int mask);
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void cpu_reset_interrupt(CPUState *env, int mask);
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void cpu_exit(CPUState *s);
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void cpu_exit(CPUState *s);
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4
exec.c
4
exec.c
@ -1631,7 +1631,7 @@ static void cpu_unlink_tb(CPUState *env)
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#ifndef CONFIG_USER_ONLY
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#ifndef CONFIG_USER_ONLY
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/* mask must never be zero, except for A20 change call */
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/* mask must never be zero, except for A20 change call */
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void cpu_interrupt(CPUState *env, int mask)
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static void tcg_handle_interrupt(CPUState *env, int mask)
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{
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{
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int old_mask;
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int old_mask;
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@ -1658,6 +1658,8 @@ void cpu_interrupt(CPUState *env, int mask)
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}
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}
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}
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}
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CPUInterruptHandler cpu_interrupt_handler = tcg_handle_interrupt;
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#else /* CONFIG_USER_ONLY */
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#else /* CONFIG_USER_ONLY */
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void cpu_interrupt(CPUState *env, int mask)
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void cpu_interrupt(CPUState *env, int mask)
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