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#define EXC_COUNT   32
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#define EXC_COUNT   32
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#define IRQ_COUNT   16
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#define IRQ_COUNT   16
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#define IVT_EXCBASE     0
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#define IVT_EXCBASE     0
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#define IVT_IRQBASE     (IVT_EXCBASE+EXC_COUNT)
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#define IVT_IRQBASE     (IVT_EXCBASE + EXC_COUNT)
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#define IVT_FREEBASE        (IVT_IRQBASE+IRQ_COUNT)
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#define IVT_FREEBASE    (IVT_IRQBASE + IRQ_COUNT)
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#define IRQ_CLK     0
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#define IRQ_CLK         0
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#define IRQ_KBD     1
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#define IRQ_KBD         1
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#define IRQ_PIC1    2
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#define IRQ_PIC1        2
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#define IRQ_PIC_SPUR    7
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#define IRQ_PIC_SPUR    7
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#define IRQ_MOUSE       12
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/* this one must have four least significant bits set to ones */
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/* this one must have four least significant bits set to ones */
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#define VECTOR_APIC_SPUR    (IVT_ITEMS-1)
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#define VECTOR_APIC_SPUR    (IVT_ITEMS - 1)
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#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
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#if (((VECTOR_APIC_SPUR + 1) % 16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
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#error Wrong definition of VECTOR_APIC_SPUR
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#error Wrong definition of VECTOR_APIC_SPUR
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#endif
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#endif
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#define VECTOR_DEBUG            1
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#define VECTOR_DEBUG                1
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#define VECTOR_PIC_SPUR     (IVT_IRQBASE+IRQ_PIC_SPUR)
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#define VECTOR_CLK                  (IVT_IRQBASE + IRQ_CLK)
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#define VECTOR_CLK      (IVT_IRQBASE+IRQ_CLK)
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#define VECTOR_PIC_SPUR             (IVT_IRQBASE + IRQ_PIC_SPUR)
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#define VECTOR_KBD      (IVT_IRQBASE+IRQ_KBD)
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#define VECTOR_SYSCALL              IVT_FREEBASE
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#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE+0)
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#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE + 1)
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#define VECTOR_WAKEUP_IPI       (IVT_FREEBASE+1)
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#define VECTOR_DEBUG_IPI            (IVT_FREEBASE + 2)
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#define VECTOR_DEBUG_IPI                (IVT_FREEBASE+2)
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/** This is passed to interrupt handlers */
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/** This is passed to interrupt handlers */
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struct istate {
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struct istate {
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    uint64_t rax;
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    uint64_t rax;
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    uint64_t rbx;
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    uint64_t rbx;
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extern void (* disable_irqs_function)(uint16_t irqmask);
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extern void (* disable_irqs_function)(uint16_t irqmask);
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extern void (* enable_irqs_function)(uint16_t irqmask);
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extern void (* enable_irqs_function)(uint16_t irqmask);
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extern void (* eoi_function)(void);
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extern void (* eoi_function)(void);
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extern void print_info_errcode(int n, istate_t *istate);
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extern void null_interrupt(int n, istate_t *istate);
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extern void gp_fault(int n, istate_t *istate);
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extern void decode_istate(int n, istate_t *istate);
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extern void nm_fault(int n, istate_t *istate);
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extern void interrupt_init(void);
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extern void ss_fault(int n, istate_t *istate);
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extern void page_fault(int n, istate_t *istate);
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extern void syscall(int n, istate_t *istate);
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extern void tlb_shootdown_ipi(int n, istate_t *istate);
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extern void trap_virtual_enable_irqs(uint16_t irqmask);
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extern void trap_virtual_enable_irqs(uint16_t irqmask);
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extern void trap_virtual_disable_irqs(uint16_t irqmask);
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extern void trap_virtual_disable_irqs(uint16_t irqmask);
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extern void trap_virtual_eoi(void);
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/* AMD64 - specific page handler */
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/* AMD64 - specific page handler */
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extern void ident_page_fault(int n, istate_t *istate);
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extern void ident_page_fault(int n, istate_t *istate);
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#endif
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#endif
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