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Rev 353 Rev 356
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extern void paging_on(void);
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extern void paging_on(void);
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extern void interrupt_handlers(void);
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extern void interrupt_handlers(void);
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extern __u8 inb(int port);
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extern __u16 inw(int port);
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extern __u32 inl(int port);
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extern void enable_l_apic_in_msr(void);
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extern void enable_l_apic_in_msr(void);
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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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 * @param port Port to write to
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 * @param port Port to write to
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 * @param val Value to write
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 * @param val Value to write
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 */
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 */
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static inline void outw(__u16 port, __u16 val) { __asm__ volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) ); }
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static inline void outw(__u16 port, __u16 val) { __asm__ volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) ); }
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/** Double word to port
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/** Double word to port
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 *
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 *
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 * Output double word to port
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 * Output double word to port
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 *
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 *
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 * @param port Port to write to
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 * @param port Port to write to
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 * @param val Value to write
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 * @param val Value to write
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 */
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 */
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static inline void outl(__u16 port, __u32 val) { __asm__ volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) ); }
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static inline void outl(__u16 port, __u32 val) { __asm__ volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) ); }
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/** Byte from port
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 *
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 * Get byte from port
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 *
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 * @param port Port to read from
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 * @return Value read
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 */
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static inline __u8 inb(__u16 port) { __u8 val; __asm__ volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port) ); return val; }
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/** Word from port
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 *
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 * Get word from port
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 *
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 * @param port Port to read from
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 * @return Value read
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 */
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static inline __u16 inw(__u16 port) { __u16 val; __asm__ volatile ("inw %w1, %w0 \n" : "=a" (val) : "d" (port) ); return val; }
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/** Double word from port
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 *
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 * Get double word from port
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 *
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 * @param port Port to read from
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 * @return Value read
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 */
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static inline __u32 inl(__u16 port) { __u32 val; __asm__ volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) ); return val; }
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/** Set priority level low
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/** Set priority level low
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 *
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 *
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 * Enable interrupts and return previous
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 * Enable interrupts and return previous
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 * value of EFLAGS.
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 * value of EFLAGS.
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 */
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 */