From 2ecc3fc83d02b4e99ac7b77f590f9bfc27be9d8d Mon Sep 17 00:00:00 2001
From: Greg Bowne <gbowne144@gmail.com>
Date: Tue, 17 Oct 2023 23:02:33 -0700
Subject: [PATCH] Pushing up the ABOUT.md grub.cfg and menu.lst files

---
 ABOUT.md               | 35 +++++++++++++++
 src/boot/grub/grub.cfg | 97 ++++++++++++++++++++++++++++++++++++++++++
 src/boot/grub/menu.lst |  8 ++++
 3 files changed, 140 insertions(+)
 create mode 100644 ABOUT.md
 create mode 100644 src/boot/grub/grub.cfg
 create mode 100644 src/boot/grub/menu.lst

diff --git a/ABOUT.md b/ABOUT.md
new file mode 100644
index 0000000..bbf805c
--- /dev/null
+++ b/ABOUT.md
@@ -0,0 +1,35 @@
+# About ClassicOS
+
+I am making a custom operating system as an OSDev project. I am calling it ClassicOS!
+
+We are using C11/C17 standard code.
+
+This OS is x86 32 bit meant to be run on any 32 bit Intel processor including:
+
+- 386
+- 486
+- Pentium
+- Pentium Pro
+- Pentium II
+- Pentium 3
+- "Prescott" & "Northwood" Pentium 4
+
+Able to run on systems with EISA, VESA, MCA, PCI or ISA architecture.
+
+This will include:
+
+- a GUI
+- a shell/terminal/tty/console
+- 16 bit Real mode bootloader
+- NE2000 compatible Network drivers
+- FAT Filesystem support including FAT12, FAT16, FAT32
+- ext2 Filesystem support
+- NTFS Filesystem support
+- Supports ATA, IDE, EIDE, UltraATA 33 and 66, PATA drives
+- Supports Floppy to 1.2MB 5.25" and 1.44MB 3.5"
+- Supports ISO9660
+- DOS mode
+
+Features:
+
+Note: This OS eventually may ship for 64 bit architecture and support legacy LGA775 and LGA115x processors.
\ No newline at end of file
diff --git a/src/boot/grub/grub.cfg b/src/boot/grub/grub.cfg
new file mode 100644
index 0000000..1f82854
--- /dev/null
+++ b/src/boot/grub/grub.cfg
@@ -0,0 +1,97 @@
+# ClassicOS 0.0.1 grub.cfg
+# Config for GNU GRand Unified Bootloader (GRUB)
+# /boot/grub/grub.cfg
+
+insmod efi_gop
+insmod efi_uga
+insmod all_video
+insmod font
+insmod png
+insmod gfxterm
+
+if loadfont ${prefix}/unicode.pf2
+then
+	set gfxmode=auto
+	set gfxpayload=keep
+	set gfxterm_font=unicode
+    terminal_input console
+    terminal_output console
+fi
+
+# Enable serial console
+if serial --unit=0 --speed=115200; then
+    terminal_input --append serial
+    terminal_output --append serial
+fi
+
+function load_video {
+	if [ x$feature_all_video_module = xy ]; then
+		insmod all_video
+	else
+		insmod efi_gop
+		insmod efi_uga
+		insmod ieee1275_fb
+		insmod vbe
+		insmod vga
+		insmod video_bochs
+		insmod video_cirrus
+	fi
+}
+
+set cfgdir="$prefix/boot/grub/"
+
+probe -u $root --set=usbuuid
+insmod search_fs_uuid
+export isopart
+set isopath="/iso/"
+
+menuentry "ClassicOS" {
+	# Load partition table and file system modules
+    insmod part_msdos
+	insmod part_gpt
+	insmod gzio
+	insmod fat
+	insmod iso9660
+	insmod ntfs
+	insmod ntfscomp
+	insmod exfat
+    insmod ext2
+    set root='(hd0,msdos1)'
+	multiboot /boot/kernel.bin
+    multiboot2 /boot/kernel.bin
+    module2 /boot/setup1 setup1
+    module2 /boot/kernel kernel
+    boot
+}
+
+# Set default menu entry
+set default=0
+set timeout=0
+set timeout_style=menu
+set fallback=0
+set check_signatures=enforce
+export check_signatures
+
+# Welcome Text _ Menu Entries
+menuentry "Welcome to ClassicOS" {
+insmod ext2
+}
+menuentry "----------------------------------------------------" {
+insmod ext2
+}
+
+menuentry "Reboot" --unrestricted {
+    reboot
+}
+
+color_normal=light-cyan/dark-gray
+color_highlight=light-red/red
+menu_color_normal=cyan/blue
+menu_color_highlight=white/black
+
+search --no-floppy --set=root -l 'boot'
+set root=${root}
+
+if [ "${timeout}" = 0 ]; then
+    set timeout=10
+fi
diff --git a/src/boot/grub/menu.lst b/src/boot/grub/menu.lst
new file mode 100644
index 0000000..5d68028
--- /dev/null
+++ b/src/boot/grub/menu.lst
@@ -0,0 +1,8 @@
+# This doesn't work
+# If you wanna use the old GRUB, please fix this thing
+
+title Linux
+    configfile /config/linux.lst
+
+title Tools
+    configfile /config/tools.lst
\ No newline at end of file