Module cpu 

CPU abstraction layer

Provides safe abstractions for CPU-related operations including:

• CPU identification and topology
• Per-CPU data access
• CPU control (halt, interrupt control)

Inspired by Asterinas OSTD CPU module.

Structs

CpuId

CPU identifier

CpuIter

Iterator over all CPUs

Functions

disable_irqs

Disable interrupts on the current CPU

enable_irqs

Enable interrupts on the current CPU

halt_cpu

CPU halt function

irqs_enabled

Check if interrupts are enabled on the current CPU

restore_irqs

Restore interrupt flags

save_and_disable_irqs

Save interrupt flags and disable interrupts

without_interrupts

Execute a closure with interrupts disabled