Mark
32 lines
844 B
C
32 lines
844 B
C
#include "arch/amd64/hw/con.h"
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#include "arch/amd64/hw/io.h"
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#include "sys/display.h"
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#define BUFFER ((uint16_t volatile*) 0xFFFFFF00000B8000)
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static struct display display_console = {0};
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static void amd64_console_setc(uint16_t y, uint16_t x, uint16_t c) {
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BUFFER[y * 80 + x] = c;
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}
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static void amd64_console_cursor(uint16_t y, uint16_t x) {
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uint16_t pos = y * 80 + x;
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outb(0x3D4, 0x0F);
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outb(0x3D5, (uint8_t) (pos & 0xFF));
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outb(0x3D4, 0x0E);
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outb(0x3D5, (uint8_t) ((pos >> 8) & 0xFF));
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}
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void amd64_console_init(void) {
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display_console.flags = 0;
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display_console.width_chars = 80;
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display_console.height_chars = 25;
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display_console.setc = amd64_console_setc;
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display_console.cursor = amd64_console_cursor;
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list_head_init(&display_console.list);
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display_add(&display_console);
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}
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