alexvoste
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
#ifndef INTERRUPTS_H
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#define INTERRUPTS_H
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#include <stdint.h>
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struct int_frame_t {
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uint64_t ds;
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uint64_t r15;
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uint64_t r14;
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uint64_t r13;
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uint64_t r12;
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uint64_t r11;
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uint64_t r10;
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uint64_t r9;
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uint64_t r8;
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uint64_t rbp;
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uint64_t rdi;
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uint64_t rsi;
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uint64_t rdx;
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uint64_t rcx;
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uint64_t rbx;
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uint64_t rax;
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uint64_t interrupt;
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uint64_t error;
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uint64_t rip;
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uint64_t cs;
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uint64_t rflags;
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uint64_t rsp;
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uint64_t ss;
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} __attribute__((packed));
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typedef void (*int_handler_f)(struct int_frame_t* frame);
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typedef struct {
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uint64_t vector;
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int_handler_f handler;
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} int_desc_t;
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#define __CHECK_HANDLER(fn) \
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_Static_assert( \
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__builtin_types_compatible_p( \
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typeof(fn), void (*)(struct int_frame_t *)), \
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"Invalid interrupt handler signature")
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#define __CONCAT(a, b) a##b
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#define __UNIQUE_NAME(base) __CONCAT(base, __COUNTER__)
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#define DEFINE_ISR(_vector, _name) \
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static void _name(struct int_frame_t *frame); \
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static const int_desc_t __UNIQUE_NAME(__isr_desc_##_name) \
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__attribute__((used, section(".isr_handlers"))) = { \
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.vector = (_vector), \
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.handler = _name, \
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}; \
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static void _name(struct int_frame_t *frame)
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#define DEFINE_IRQ(_vector, _name) \
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static void _name(struct int_frame_t *frame); \
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static const int_desc_t __UNIQUE_NAME(__irq_desc_##_name) \
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__attribute__((used, section(".irq_handlers"))) = { \
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.vector = (_vector), \
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.handler = _name, \
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}; \
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static void _name(struct int_frame_t *frame)
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#define IPI_RESCHEDULE_VECTOR 0x40
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#define IPI_TLB_SHOOTDOWN 0x41
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void init_interrupt_system();
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#endif
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