Crate interrupts

Basic interrupt handling structures and simple handler routines.

Macros

• interrupt_handler
  Macro which helps writing cross-platform interrupt handlers.

Structs

• InterruptStackFrame
  Wrapper type for the interrupt stack frame pushed by the CPU.

Enums

• EoiBehaviour

Constants

• CPU_LOCAL_TIMER_IRQ
  The IRQ number reserved for CPU-local timer interrupts, which Theseus currently uses for preemptive task switching.
• IRQ_BASE_OFFSET
  The offset added to the first IRQ: 0x20.

Statics

• IDT
  The single system-wide Interrupt Descriptor Table (IDT).

Functions

• deregister_interrupt
  Deregisters an interrupt handler, making it available to the rest of the system again.
• eoi
  Send an end of interrupt signal, notifying the interrupt chip that the given interrupt request irq has been serviced.
• init
  Initializes the interrupt subsystem and sets up an initial Interrupt Descriptor Table (IDT).
• init_ap
  Similar to init(), but for APs to call after the BSP has already invoked init().
• is_exception_handler_with_error_code
  Returns true if the given address is the exception handler in the current IDT for any exception in which the CPU pushes an error code onto the stack.
• register_interrupt
  Registers an interrupt handler at the given IRQ interrupt number.
• register_msi_interrupt
  Allocates and returns an unused interrupt number and sets its handler function.

Type Aliases

• InterruptHandler
  A handler function for an interrupt or an exception without error code.
• InterruptNumber