IRQs

include/int/irq.h

struct irq_entry

Member Type	Member Name
irq_handler_t	handler
void	*ctx

struct isr_regs

Member Type	Member Name
uint64_t	rax
uint64_t	rbx
uint64_t	rcx
uint64_t	rdx
uint64_t	rbp
uint64_t	rdi
uint64_t	rsi
uint64_t	r8
uint64_t	r9
uint64_t	r10
uint64_t	r11
uint64_t	r12
uint64_t	r13
uint64_t	r14
uint64_t	r15
uint64_t	rip
uint64_t	cs
uint64_t	rflags
uint64_t	rsp
uint64_t	ss

type alias

(*irq_handler_t) : void (void *ctx, uint8_t vector, void *rsp)

• void irq_register(uint8_t vector,irq_handler_t handler,void *ctx)
• static inline void irq_mark_self_in_interrupt(bool new)
• static inline bool irq_in_interrupt(void)
• static inline bool irq_in_thread_context(void)

Defines

• IRQ_DIV_BY_Z: 0x0
• IRQ_DEBUG: 0x1
• IRQ_BREAKPOINT: 0x3
• IRQ_DBF: 0x8
• IRQ_SSF: 0xC
• IRQ_GPF: 0xD
• IRQ_PAGE_FAULT: 0xE
• IRQ_TIMER: 0x20
• IRQ_SCHEDULER: IRQ_TIMER
• IRQ_TLB_SHOOTDOWN: 0x22
• IRQ_PANIC: 0x23
• IRQ_NOP: 0x24 /* This is here so cores can bother each other */

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