Module arch_regs 

both Context64 and TrapFrame define architecture specific registers and combine into the full execution context of a thread. Context64 includes the callee saved registers plus FP state, and TrapFrame includes caller saved registers.

Structs

Context64

the Context64 is part of the task struct; it’s saved and restored explicitly on context swap.

TrapFrame

TrapFrame is saved and restored by the interrupt handler assembly code upon interrupt entry and exit.

Functions

get_sp

get the current stack pointer