diff options
| author | EmulatedSeasons <89668582+EmulatedSeasons@users.noreply.github.com> | 2023-06-15 22:36:39 -0400 |
|---|---|---|
| committer | EmulatedSeasons <89668582+EmulatedSeasons@users.noreply.github.com> | 2023-06-15 22:36:39 -0400 |
| commit | a78033acc941fc4bcf6188f1d48fd8e012673fff (patch) | |
| tree | ac92adae5e40274fd9e0b78352a24840cc88eab4 /kernel/arch/i386/vga.h | |
initial commit
Diffstat (limited to 'kernel/arch/i386/vga.h')
| -rw-r--r-- | kernel/arch/i386/vga.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/kernel/arch/i386/vga.h b/kernel/arch/i386/vga.h new file mode 100644 index 0000000..5b6b351 --- /dev/null +++ b/kernel/arch/i386/vga.h @@ -0,0 +1,35 @@ +#ifndef ARCH_I386_VGA_H
+#define ARCH_I386_VGA_H
+
+#include <stdint.h>
+
+// hardware text mode constants
+enum vga_color {
+ VGA_COLOR_BLACK = 0,
+ VGA_COLOR_BLUE = 1,
+ VGA_COLOR_GREEN = 2,
+ VGA_COLOR_CYAN = 3,
+ VGA_COLOR_RED = 4,
+ VGA_COLOR_MAGENTA = 5,
+ VGA_COLOR_BROWN = 6,
+ VGA_COLOR_LIGHT_GREY = 7,
+ VGA_COLOR_DARK_GREY = 8,
+ VGA_COLOR_LIGHT_BLUE = 9,
+ VGA_COLOR_LIGHT_GREEN = 10,
+ VGA_COLOR_LIGHT_CYAN = 11,
+ VGA_COLOR_LIGHT_RED = 12,
+ VGA_COLOR_LIGHT_MAGENTA = 13,
+ VGA_COLOR_LIGHT_BROWN = 14,
+ VGA_COLOR_WHITE = 15,
+};
+
+static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg) {
+ return fg | bg << 4;
+}
+
+// returns the character/color of a terminal entry
+static inline uint16_t vga_entry(unsigned char uc, uint8_t color) {
+ return (uint16_t) uc | (uint16_t) color << 8;
+}
+
+#endif
\ No newline at end of file |