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84 | __u64 cs; |
84 | __u64 cs; |
85 | __u64 rflags; |
85 | __u64 rflags; |
86 | __u64 stack[]; /* Additional data on stack */ |
86 | __u64 stack[]; /* Additional data on stack */ |
87 | }; |
87 | }; |
88 | 88 | ||
- | 89 | /** Return true if exception happened while in userspace */ |
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- | 90 | static inline int istate_from_uspace(istate_t *istate) |
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- | 91 | { |
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- | 92 | return !(istate->rip & 0x8000000000000000); |
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- | 93 | } |
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- | 94 | ||
89 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
95 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
90 | { |
96 | { |
91 | istate->rip = retaddr; |
97 | istate->rip = retaddr; |
92 | } |
98 | } |
- | 99 | static inline __native istate_get_pc(istate_t *istate) |
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- | 100 | { |
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- | 101 | return istate->rip; |
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- | 102 | } |
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93 | 103 | ||
94 | extern void (* disable_irqs_function)(__u16 irqmask); |
104 | extern void (* disable_irqs_function)(__u16 irqmask); |
95 | extern void (* enable_irqs_function)(__u16 irqmask); |
105 | extern void (* enable_irqs_function)(__u16 irqmask); |
96 | extern void (* eoi_function)(void); |
106 | extern void (* eoi_function)(void); |
97 | 107 |