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apic: Open-code timer save/restore

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To enable migration between accelerated and non-accelerated APIC models,
we will need to handle the timer saving and restoring specially and can
no longer rely on the automatics of VMSTATE_TIMER. Specifically,
accelerated model will not start any QEMUTimer.

This patch therefore factors out the generic bits into apic_next_timer
and use a post-load callback to implemented model-specific logic.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
This commit is contained in:
Jan Kiszka 2011-10-16 12:19:12 +02:00
parent dae0168528
commit 7a380ca350
3 changed files with 67 additions and 20 deletions
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3
hw/apic_internal.h
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@ -92,6 +92,7 @@ struct APICCommonState {
int64_t next_time;
int idx;
QEMUTimer *timer;
int64_t timer_expiry;
int sipi_vector;
int wait_for_sipi;
};
@ -104,9 +105,11 @@ struct APICCommonInfo {
void (*set_base)(APICCommonState *s, uint64_t val);
void (*set_tpr)(APICCommonState *s, uint8_t val);
void (*external_nmi)(APICCommonState *s);
void (*post_load)(APICCommonState *s);
};
void apic_report_irq_delivered(int delivered);
void apic_qdev_register(APICCommonInfo *info);
bool apic_next_timer(APICCommonState *s, int64_t current_time);
#endif /* !QEMU_APIC_INTERNAL_H */