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Rev 1288 Rev 1595
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    __u64 cs;
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    __u64 cs;
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    __u64 rflags;
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    __u64 rflags;
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    __u64 stack[]; /* Additional data on stack */
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    __u64 stack[]; /* Additional data on stack */
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};
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};
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/** Return true if exception happened while in userspace */
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static inline int istate_from_uspace(istate_t *istate)
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{
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    return !(istate->rip & 0x8000000000000000);
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}
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static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
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static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
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{
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{
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    istate->rip = retaddr;
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    istate->rip = retaddr;
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}
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}
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static inline __native istate_get_pc(istate_t *istate)
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{
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    return istate->rip;
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}
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extern void (* disable_irqs_function)(__u16 irqmask);
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extern void (* disable_irqs_function)(__u16 irqmask);
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extern void (* enable_irqs_function)(__u16 irqmask);
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extern void (* enable_irqs_function)(__u16 irqmask);
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extern void (* eoi_function)(void);
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extern void (* eoi_function)(void);
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