docs: minor change

boot/common/bootinfo.inc

@@ -1,16 +1,23 @@
 	;; File: bootinfo.inc
 
+	;; Struct: BootInfoRange
 struc BootInfoRange {
 	.base dd ?
 	.legth dd ?
 }
 
+	;; Struct: BootInfo
+	;;
+	;; StupidOS boot protocol structure
 struc BootInfo {
 	.mmap         dd 4*2*40 dup(0)
 	.kernel_start dd ?
 	.kernel_size  dd ?
 }
 
+	;; Section: Globals
+
+	;; Constant: BOOTINFO_MEMORY_LIMIT
 BOOTINFO_MEMORY_LIMIT = 0xFFFFF000
 
 

boot/common/fat12.inc

@@ -1,12 +1,6 @@
 	;; File: fat12.inc
 
-	ATTR_READ_ONLY = 0x01
+	;; Struct: fat_entry
-	ATTR_HIDDEN    = 0x02
-	ATTR_SYSTEM    = 0x04
-	ATTR_VOLUME_ID = 0x08
-	ATTR_DIRECTORY = 0x10
-	ATTR_ARCHIVE   = 0x20
-
 struc fat_entry
 {
 	.name          db 8 dup ?
@@ -24,6 +18,22 @@ struc fat_entry
 }
 defn fat_entry
 
+	;; Constants: Attributes
+	;;  ATTR_READ_ONLY - Read-only
+	;;  ATTR_HIDDEN    - Hidden
+	;;  ATTR_SYSTEM    - System
+	;;  ATTR_VOLUME_ID - Volume label
+	;;  ATTR_DIRECTORY - Subdirectory
+	;;  ATTR_ARCHIVE   - Archive
+	ATTR_READ_ONLY = 0x01
+	ATTR_HIDDEN    = 0x02
+	ATTR_SYSTEM    = 0x04
+	ATTR_VOLUME_ID = 0x08
+	ATTR_DIRECTORY = 0x10
+	ATTR_ARCHIVE   = 0x20
+
+	;; Section: Globals
+
 	;; Function: fat_load_root
 fat_load_root:
 	mov ax, DISK_BUFFER/0x10

boot/common/macro.inc

@@ -1,3 +1,6 @@
+	;; File: macro.inc
+
+	;; Macro: defn name
 macro defn name
 {
 	virtual at 0

boot/loader/a20.inc

@@ -1,6 +1,8 @@
-        ; copy/pasted from https://wiki.osdev.org/A20_Line
+	;; File: a20.inc
-        ; .... sorry I was lazy :x
+	;; copy/pasted from https://wiki.osdev.org/A20_Line
+    ;; .... sorry I was lazy :x
 
+	;; Function: a20_get_state
 a20_get_state:
         pushf
         push si
@@ -47,7 +49,7 @@ a20_get_state:
 .BufferBelowMB: db 0
 .BufferOverMB   db 0
 
-
+	;; Function: a20_query_support
 a20_query_support:
         push bx
         clc
@@ -67,6 +69,7 @@ a20_query_support:
         pop bx
         ret
  
+	;; Function: a20_enable_keyboard_controller
 a20_enable_keyboard_controller:
         cli
  
@@ -109,8 +112,11 @@ a20_enable_keyboard_controller:
         jz .wait_io2
         ret
  
-;       out:
+	;; Function: a20_enable
-;               cf - set on error
+	;; 
+    ;; Out:
+    ;;     CF - set on error
+	;;
 a20_enable:
         clc                                                                     ;       clear cf
         pusha

boot/loader/loader.asm

@@ -14,6 +14,8 @@
 multiboot_header:
 	mb_header MultibootHeader multiboot_header
 
+	;; Function: _start
+	;; Loader entry point.
 _start:
 	cmp eax, MULTIBOOT_MAGIC
 	je multiboot

boot/loader/video.inc

@@ -56,6 +56,7 @@ struc VesaModeInfo
 	.Reserved2             db 206 dup(?)
 }
 
+	;; Function: video_setup
 video_setup:
 	mov si, szMsgDetectVideo
 	call bios_log

releasetools/cdimage.sh

@@ -11,4 +11,9 @@ fi
 
 DESTDIR=${BUILDDIR}/iso
 
+mkdir -p "${OBJ}"
+
+(cd "${OBJ}"; get_grub)
+
+
 make

releasetools/floppyimage.sh

@@ -10,5 +10,15 @@ fi
 . ./releasetools/image.functions
 
 DESTDIR=${BUILDDIR}/floppy
-
 export DESTDIR
+
+mkdir -p "${BUILDDIR}" "${OBJ}"
+
+mkdir -p "${DESTDIR}/boot"
+
+create_stpdboot_ini "${DESTDIR}/boot"
+
+make
+
+echo ""
+echo "floppy image at $(pwd)/${IMG}"

releasetools/hdimage.sh

@@ -11,10 +11,21 @@ fi
 . ./releasetools/image.defaults
 . ./releasetools/image.functions
 
+DESTDIR=${BUILDDIR}/hd
+export DESTDIR
+
 if [ -f "${IMG}" ]
 then
 	rm -f "${IMG}"
 fi
 
+mkdir -p "${BUILDDIR}" "${OBJ}"
+
+mkdir -p "${DESTDIR}/boot"
+
+create_stpdboot_ini "${DESTDIR}/boot"
+
+make
+
 echo ""
 echo "Disk image at $(pwd)/${IMG}"

releasetools/image.defaults

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
-: "${BUILDDIR=.build}"
+: "${BUILDDIR=$(pwd)/.build}"
 : "${OBJ=${BUILDDIR}/obj}"
 : "${DESTDIR=${BUILDDIR}/dist}"
+: "${TOOLSDIR=$(pwd)/.tools}"

releasetools/image.functions

@@ -19,12 +19,18 @@ menuentry "StupidOS" {
 EOF
 )"
 
-	echo "$grub_cfg" > "$target"
+	echo "$grub_cfg" > "${target}/grub.cfg"
 }
 
 get_grub()
 {
-	echo
+	local version="2.12"
+	local url="https://ftp.gnu.org/gnu/grub/grub-${version}.tar.gz"
+
+	wget "${url}"
+	tar -xvf "grub-${version}.tar.gz"
+
+	(cd "grub-${version}"; ./configure --prefix="${TOOLSDIR}" && make install)
 }
 
 create_efi_image()
@@ -32,3 +38,15 @@ create_efi_image()
 	echo
 }
 
+create_stpdboot_ini()
+{
+	local target="$1"
+	local stupid_ini="$(cat <<EOF
+CMDLINE=consdev=com0
+MODULE=dummy.mod
+MODULE=dummy2.mod
+EOF
+)"
+
+	echo "$stupid_ini" > "${target}/stupid.ini"
+}