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/** Halt CPU
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/** Halt CPU
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 *
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 *
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 * Halt the current CPU until interrupt event.
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 * Halt the current CPU until interrupt event.
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 */
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 */
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static inline void cpu_halt(void) { __asm__("hlt\n"); };
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#define cpu_halt() ((void) 0)
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static inline void cpu_sleep(void) { __asm__("hlt\n"); };
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#define cpu_sleep() ((void) 0)
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#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \
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#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \
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    { \
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    { \
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    unative_t res; \
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    unative_t res; \
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    __asm__ volatile ("movl %%" #reg ", %0" : "=r" (res) ); \
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    __asm__ volatile ("movl %%" #reg ", %0" : "=r" (res) ); \