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Rev 1787 Rev 2015
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <memstr.h>
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#include <memstr.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 <sysinfo/sysinfo.h>
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#include <sysinfo/sysinfo.h>
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#include <ddi/ddi.h>
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/*
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/*
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 * The EGA driver.
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 * The EGA driver.
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 * Simple and short. Function for displaying characters and "scrolling".
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 * Simple and short. Function for displaying characters and "scrolling".
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 */
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 */
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static parea_t ega_parea;   /**< Physical memory area for EGA video RAM. */
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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 void ega_putchar(chardev_t *d, const char ch);
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static void ega_putchar(chardev_t *d, const char ch);
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    ega_cursor = (hi << 8) | lo;
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    ega_cursor = (hi << 8) | lo;
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    chardev_initialize("ega_out", &ega_console, &ega_ops);
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    chardev_initialize("ega_out", &ega_console, &ega_ops);
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    stdout = &ega_console;
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    stdout = &ega_console;
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    ega_parea.pbase = VIDEORAM;
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    ega_parea.vbase = (uintptr_t) videoram;
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    ega_parea.frames = 1;
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    ega_parea.cacheable = false;
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    ddi_parea_register(&ega_parea);
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    sysinfo_set_item_val("fb", NULL, true);
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    sysinfo_set_item_val("fb", NULL, true);
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    sysinfo_set_item_val("fb.kind", NULL, 2);
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    sysinfo_set_item_val("fb.kind", NULL, 2);
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    sysinfo_set_item_val("fb.width", NULL, ROW);
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    sysinfo_set_item_val("fb.width", NULL, ROW);
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    sysinfo_set_item_val("fb.height", NULL, ROWS);
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    sysinfo_set_item_val("fb.height", NULL, ROWS);
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    sysinfo_set_item_val("fb.address.physical", NULL, VIDEORAM);
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    sysinfo_set_item_val("fb.address.physical", NULL, VIDEORAM);
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    sysinfo_set_item_val("fb.address.color", NULL, PAGE_COLOR((uintptr_t)
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        videoram));
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#ifndef CONFIG_FB
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#ifndef CONFIG_FB
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    putchar('\n');
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    putchar('\n');
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#endif 
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#endif 
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}
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}