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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#include <console/chardev.h>
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#include <console/chardev.h>
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#include <console/console.h>
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#include <console/console.h>
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#include <macros.h>
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#include <macros.h>
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#include <interrupt.h>
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/**
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/**
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 * i8042 processor driver.
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 * i8042 processor driver.
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 * It takes care of low-level keyboard functions.
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 * It takes care of low-level keyboard functions.
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 */
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 */
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    SPECIAL, /* 0x7d */
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    SPECIAL, /* 0x7d */
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    SPECIAL, /* 0x7e */
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    SPECIAL, /* 0x7e */
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    SPECIAL, /* 0x7f */
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    SPECIAL, /* 0x7f */
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};
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};
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static void i8042_interrupt(int n, void *stack);
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/** Initialize i8042. */
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/** Initialize i8042. */
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void i8042_init(void)
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void i8042_init(void)
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{
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{
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    trap_register(VECTOR_KBD, i8042_interrupt);
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    exc_register(VECTOR_KBD, "i8042_interrupt", i8042_interrupt);
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    trap_virtual_enable_irqs(1<<IRQ_KBD);
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    trap_virtual_enable_irqs(1<<IRQ_KBD);
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    spinlock_initialize(&keylock, "i8042_lock");
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    spinlock_initialize(&keylock, "i8042_lock");
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    chardev_initialize("i8042_kbd", &kbrd, &ops);
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    chardev_initialize("i8042_kbd", &kbrd, &ops);
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    stdin = &kbrd;
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    stdin = &kbrd;
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}
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}
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/** Process i8042 interrupt.
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/** Process i8042 interrupt.
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 *
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 *
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 * @param n Interrupt vector.
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 * @param n Interrupt vector.
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 * @param stack Interrupted stack.
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 * @param stack Interrupted stack.
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 */
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 */
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void i8042_interrupt(__u8 n, __native stack[])
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void i8042_interrupt(int n, void *stack)
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{
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{
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    __u8 x;
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    __u8 x;
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    trap_virtual_eoi();
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    trap_virtual_eoi();
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    x = inb(i8042_DATA);
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    x = inb(i8042_DATA);