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void asm_delay_loop(__u32 t);
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void asm_delay_loop(__u32 t);
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void asm_fake_loop(__u32 t);
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void asm_fake_loop(__u32 t);
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/* TODO: implement the real stuff */
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/* TODO: implement the real stuff */
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static inline __address get_stack_base(void)
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static inline __address get_stack_base(void)
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{
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{
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    return NULL;
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    return NULL;
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}
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}
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static inline void cpu_sleep(void) { __asm__("hlt"); };
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static inline void cpu_sleep(void) { __asm__("hlt"); };
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static inline void cpu_halt(void) { __asm__("hlt"); };
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static inline __u8 inb(__u16 port)
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static inline __u8 inb(__u16 port)
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{
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{
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    __u8 out;
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    __u8 out;
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 *
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 *
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 * Return value in CR2
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 * Return value in CR2
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 *
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 *
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 * @return Value read.
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 * @return Value read.
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 */
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 */
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static inline __u32 read_cr2(void) { __u64 v; __asm__ volatile ("movq %%cr2,%0" : "=r" (v)); return v; }
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static inline __u64 read_cr2(void) { __u64 v; __asm__ volatile ("movq %%cr2,%0" : "=r" (v)); return v; }
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/** Write CR3
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/** Write CR3
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 *
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 *
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 * Write value to CR3.
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 * Write value to CR3.
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 *
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 *
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 *
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 *
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 * Return value in CR3
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 * Return value in CR3
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 *
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 *
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 * @return Value read.
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 * @return Value read.
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 */
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 */
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static inline __u32 read_cr3(void) { __u64 v; __asm__ volatile ("movq %%cr3,%0" : "=r" (v)); return v; }
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static inline __u64 read_cr3(void) { __u64 v; __asm__ volatile ("movq %%cr3,%0" : "=r" (v)); return v; }
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/** Set priority level low
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 *
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 * Enable interrupts and return previous
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 * value of EFLAGS.
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 */
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extern size_t interrupt_handler_size;
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extern size_t interrupt_handler_size;
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extern void interrupt_handlers(void);
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extern void interrupt_handlers(void);
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