#ifndef _KERNEL_AMD64_SMP_H
#define _KERNEL_AMD64_SMP_H

#include <amd64/gdt.h>
#include <amd64/tss.h>
#include <aux/compiler.h>
#include <libk/std.h>

#define CPUS_MAX 32

struct cpu {
  uint64_t lapic_ticks;
  uint32_t id;
  struct {
    uint64_t rflags;
    atomic_int nesting;
  } irq_ctx;
  volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
  volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
  volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
  volatile struct gdt_extended gdt ALIGNED (16);
  volatile struct tss tss;
};

struct cpu* cpu_make (void);
struct cpu* cpu_get (uint32_t id);
void cpu_assign (uint32_t id);
uint32_t cpu_id (void);

#define thiscpu (cpu_get (cpu_id ()))

#endif // _KERNEL_AMD64_SMP_H