From e9a64093e2187fa858a0bf792d11cb5e7c67064d Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Mon, 1 Aug 2022 21:23:46 +0200
Subject: amd64: remove the VGA text mode driver
---
src/kernel/arch/amd64/tty/vga.c | 33 ---------------------------------
1 file changed, 33 deletions(-)
delete mode 100644 src/kernel/arch/amd64/tty/vga.c
(limited to 'src/kernel/arch/amd64/tty/vga.c')
diff --git a/src/kernel/arch/amd64/tty/vga.c b/src/kernel/arch/amd64/tty/vga.c
deleted file mode 100644
index e5f2274..0000000
--- a/src/kernel/arch/amd64/tty/vga.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#include <kernel/arch/amd64/tty/tty.h>
-
-struct vga_cell {
- unsigned char c;
- unsigned char style;
-} __attribute__((__packed__));
-
-static const size_t vga_len = 80 * 25;
-static struct vga_cell *vga = (void*) 0xB8000;
-static size_t vga_pos = 0;
-
-static void vga_scroll(void) {
- for (size_t i = 0; i < vga_len - 80; i++)
- vga[i] = vga[i + 80];
- vga_pos -= 80;
-}
-
-static void vga_putchar(char c) {
- if (vga_pos >= vga_len - 80)
- vga_scroll();
- vga[vga_pos++].c = c;
-}
-
-void vga_write(const char *buf, size_t len) {
- for (size_t i = 0; i < len; i++)
- vga_putchar(buf[i]);
-}
-
-void vga_clear(void) {
- for (size_t i = 0; i < vga_len; i++)
- vga[i].c = ' ';
- vga_pos = 0;
-}
--
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