Luna/kernel/src/arch/x86_64/CPU.h

#include <luna/Types.h>

struct Registers // Saved CPU registers for x86-64
{
    u64 r15, r14, r13, r12, r11, r10, r9, r8;
    u64 rbp, rdi, rsi, rdx, rcx, rbx, rax;
    u64 isr, error;
    u64 rip, cs, rflags, rsp, ss;
};