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Rev 3908 Rev 3930
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SPINLOCK_INITIALIZE(egalock);
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SPINLOCK_INITIALIZE(egalock);
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static uint32_t ega_cursor;
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static uint32_t ega_cursor;
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static uint8_t *videoram;
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static uint8_t *videoram;
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static uint8_t *backbuf;
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static uint8_t *backbuf;
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static ioport_t ega_base;
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static ioport8_t *ega_base;
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chardev_t ega_console;
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chardev_t ega_console;
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/*
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/*
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 * This function takes care of scrolling.
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 * This function takes care of scrolling.
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static chardev_operations_t ega_ops = {
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static chardev_operations_t ega_ops = {
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    .write = ega_putchar
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    .write = ega_putchar
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};
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};
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void ega_init(ioport_t base, uintptr_t videoram_phys)
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void ega_init(ioport8_t *base, uintptr_t videoram_phys)
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{
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{
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    /* Initialize the software structure. */   
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    /* Initialize the software structure. */   
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    ega_base = base;
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    ega_base = base;
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    backbuf = (uint8_t *) malloc(SCREEN * 2, 0);
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    backbuf = (uint8_t *) malloc(SCREEN * 2, 0);