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 *
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 *
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 * @param gdtr_reg Address of memory from where to load GDTR.
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 * @param gdtr_reg Address of memory from where to load GDTR.
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 */
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 */
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static inline void gdtr_load(struct ptr_16_64 *gdtr_reg)
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static inline void gdtr_load(struct ptr_16_64 *gdtr_reg)
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{
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{
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    __asm__ volatile ("lgdt %0\n" : : "m" (*gdtr_reg));
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    __asm__ volatile ("lgdtq %0\n" : : "m" (*gdtr_reg));
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}
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}
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/** Store GDTR register to memory.
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/** Store GDTR register to memory.
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 *
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 *
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 * @param gdtr_reg Address of memory to where to load GDTR.
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 * @param gdtr_reg Address of memory to where to load GDTR.
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 */
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 */
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static inline void gdtr_store(struct ptr_16_64 *gdtr_reg)
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static inline void gdtr_store(struct ptr_16_64 *gdtr_reg)
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{
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{
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    __asm__ volatile ("sgdt %0\n" : : "m" (*gdtr_reg));
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    __asm__ volatile ("sgdtq %0\n" : : "m" (*gdtr_reg));
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}
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}
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/** Load IDTR register from memory.
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/** Load IDTR register from memory.
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 *
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 *
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 * @param idtr_reg Address of memory from where to load IDTR.
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 * @param idtr_reg Address of memory from where to load IDTR.
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 */
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 */
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static inline void idtr_load(struct ptr_16_64 *idtr_reg)
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static inline void idtr_load(struct ptr_16_64 *idtr_reg)
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{
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{
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    __asm__ volatile ("lidt %0\n" : : "m" (*idtr_reg));
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    __asm__ volatile ("lidtq %0\n" : : "m" (*idtr_reg));
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}
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}
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/** Load TR from descriptor table.
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/** Load TR from descriptor table.
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 *
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 *
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 * @param sel Selector specifying descriptor of TSS segment.
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 * @param sel Selector specifying descriptor of TSS segment.