From 8cd22309667cf3da9c357e5b7dca43e8b6a2f9c0 Mon Sep 17 00:00:00 2001
From: Danny Holman <dholman@gymli.org>
Date: Fri, 21 Jan 2022 12:10:05 -0600
Subject: arch: i386: move non-critial files out of boot

Move all files not needed for the bootstrap process out of boot and into
the main x86 source directory.

Signed-off-by: Danny Holman <dholman@gymli.org>
---
 arch/i386/boot/tty.c | 87 ----------------------------------------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 arch/i386/boot/tty.c

(limited to 'arch/i386/boot/tty.c')

diff --git a/arch/i386/boot/tty.c b/arch/i386/boot/tty.c
deleted file mode 100644
index aa77736..0000000
--- a/arch/i386/boot/tty.c
+++ /dev/null
@@ -1,87 +0,0 @@
-#include "vga.h"
-#include <kernel/tty.h>
-#include <kernel/string.h>
-#include <stddef.h>
-#include <stdint.h>
-
-static const size_t VGA_WIDTH = 80;
-static const size_t VGA_HEIGHT = 25;
-static uint16_t *const VGA_MEMORY = (uint16_t*)0xC03FF000;
-
-static size_t terminal_row;
-static size_t terminal_column;
-static uint8_t terminal_color;
-static uint16_t *terminal_buffer;
-
-void tty_init(void) {
-        terminal_row = 0;
-        terminal_column = 0;
-        terminal_color = vga_entry_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK);
-        terminal_buffer = VGA_MEMORY;
-        for (size_t y = 0; y < VGA_HEIGHT; y++) {
-                for (size_t x = 0; x < VGA_WIDTH; x++) {
-                        const size_t index = y * VGA_WIDTH + x;
-                        terminal_buffer[index] = vga_entry(' ', terminal_color);
-                }
-        }
-}
-
-void tty_setcolor(uint8_t color) {
-        terminal_color = color;
-}
-
-void tty_putentryat(unsigned char c, uint8_t color, size_t x, size_t y) {
-        const size_t index = y * VGA_WIDTH + x;
-        terminal_buffer[index] = vga_entry(c, color);
-}
-
-void terminal_scroll(void) {
-        for (size_t i = 0; i < VGA_HEIGHT; i++) {
-                for (size_t j = 0; j < VGA_WIDTH; j++)
-                        terminal_buffer[i * VGA_WIDTH + j] = terminal_buffer[(i+1) * VGA_WIDTH + j];
-        }
-}
-
-void tty_putchar(char c) {
-        unsigned char uc;
-
-        uc = c;
-        switch (uc) {
-                case '\n':
-                        terminal_column = 0;
-                        if (++terminal_row == VGA_HEIGHT) {
-                                terminal_row--;
-                                terminal_scroll();
-                        }
-                        break;
-                case '\t':
-                        terminal_column += 4;
-                        if (++terminal_column == VGA_WIDTH) {
-                                terminal_column = 4;
-                                if (++terminal_row == VGA_HEIGHT) {
-                                        terminal_row--;
-                                        terminal_scroll();
-                                }
-                        }
-                        break;
-                default:
-                        tty_putentryat(uc, terminal_color, terminal_column, terminal_row);
-                        if (++terminal_column == VGA_WIDTH) {
-                                terminal_column = 0;
-                                if (++terminal_row == VGA_HEIGHT) {
-                                        terminal_row--;
-                                        terminal_scroll();
-                                }
-                        }
-                        break;
-        }
-}
-
-void tty_write(const char *data, size_t size) {
-        for (size_t i = 0; i < size; i++)
-                tty_putchar(data[i]);
-}
-
-void tty_writestring(const char *data) {
-        tty_write(data, strlen(data));
-}
-- 
cgit v1.2.3