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roska:TCC-anothertry
roska:fasm-putchar-virittelyy
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compare: roska:master
Branches Tags
roska:master
roska:TCC-anothertry
roska:fasm-putchar-virittelyy

30 commits
TCC-anothe ... master

Author SHA1 Message Date
Jarkko Toivanen
57dd60bcef
Started making an ASCII font 2024-08-24 15:56:51 +03:00
Jarkko Toivanen
091f7cb4b8
Bochs: serial to file 2024-08-17 20:25:42 +03:00
Jarkko Toivanen
f9e2dc33e9
Made __uitoa comply with our calling convention 
Changed __uitoa order of arguments from
  src,base,target
to
  src,target,base
Also returns target in EAX
 2024-08-17 20:21:04 +03:00
Jarkko Toivanen
0d9fcf5ae4
BOCHS debugging stuff 2024-08-17 19:16:53 +03:00
Jarkko Toivanen
c2e69b6f7f
More and advanceder macros 2024-08-17 06:21:47 +03:00
Jarkko Toivanen
7a22e4aed7
Follow C calling convention (futureproofing) and utilize macros 2024-08-17 00:37:07 +03:00
Jarkko Toivanen
32ccb3abd1 Automating image-file creation 2024-08-16 18:22:30 +03:00
Jarkko Toivanen
bcf49f4fef
Framebuffer supports colour now 2024-01-26 18:38:18 +02:00
Jarkko Toivanen
bbd80c4f78
Cleaning up 2024-01-26 18:23:51 +02:00
Jarkko Toivanen
3dd934bd83
Fixed R/G/B field information fetching from Multiboot 2024-01-13 03:28:43 +02:00
Jarkko Toivanen
a0ba839215
Get sweet R/G/B positions as numbers for debugging 2024-01-13 02:36:35 +02:00
Jarkko Toivanen
e4172c14bb
Fancy colour loop 2023-09-21 21:06:37 +03:00
Jarkko Toivanen
deadd739fb
Another Readme update for new improved framebuffer 2023-09-08 12:06:58 +03:00
Jarkko Toivanen
9ef19730e3
Forgot a stray CLD instruction lol 2023-09-08 12:03:52 +03:00
Jarkko Toivanen
f9c0bd3db6
Improved framebuffer compatibility and memory safeguard 2023-09-08 12:02:02 +03:00
Jarkko Toivanen
e9eaf218a1
Updating the file nobody never reads 2023-09-07 21:32:00 +03:00
Jarkko Toivanen
55fb99f0e1
Not the whole screenbuffer width was accessible 2023-09-06 20:28:25 +03:00
Jarkko Toivanen
1b9f7f8ee5
Making a working (at last!) 24/32 bpp framebuffer but only grayscale. 
Cool logo included
 2023-09-06 19:58:40 +03:00
Jarkko Toivanen
3c121e97f4
Framebuffer putpixel LEGGOOO! (disabled paging lol) 2023-08-02 20:16:43 +03:00
Jarkko Toivanen
8709de5747
Better separation on BSS if it grws or something 2023-08-02 14:19:46 +03:00
Jarkko Toivanen
e9b363221a
Fixing makefile 2023-08-02 13:49:16 +03:00
Jarkko Toivanen
1034574d1e
Making the Multiboot structure a bit shorter to conserve line length 2023-08-01 21:23:14 +03:00
Jarkko Toivanen
208d05b139
Forgat my os is supposed to be called rOSka 2023-08-01 21:05:36 +03:00
Jarkko Toivanen
cbaa9e00f9
Trying FASM instead of TCC hybrid proved to be a good choise. Binary is layed out flat and sections are not rearranged so no need to worry about Multiboot structures moving around. 
Also managed to get paging (first 4M is identity mapped, but hey it's a start).
 2023-08-01 05:02:17 +03:00
Jarkko Toivanen
148634efff
Pagingggggggg! (identity mapped low 4M) 2023-07-25 05:45:32 +03:00
Jarkko Toivanen
d542ed42d6
Serial init error handling removed: no more VGA text memory to print to 2023-07-25 01:02:13 +03:00
Jarkko Toivanen
e16da3adc8
Multiboot parsing and uitoa impl 2023-07-24 21:48:21 +03:00
Jarkko Toivanen
ebf9982c07
Improved serial init handling. Optimized pushing/poping. 2023-07-24 17:08:48 +03:00
Jarkko Toivanen
9fc1cd0064
Passing the strings to string prints through stack 2023-07-24 05:17:57 +03:00
Jarkko Toivanen
e2572d50af
FASMMMMMMM 2023-07-24 04:20:54 +03:00
23 changed files with 733 additions and 1159 deletions
Show stats Expand all files Collapse all files

2
.gitignore vendored
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@ -4,3 +4,5 @@
*.bin
mnt/
build/
bx_enh_dbg.ini
serial.out

45
Makefile
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@ -1,25 +1,46 @@
all: build/kernel-i386.elf
all: start32.bin
clean:
-@rm build/* 2> /dev/null || true
-@rm *.bin 2> /dev/null || true
build/kernel-i386.elf: src/* build/
tcc -m32 -nostdlib -Wl,-Ttext,0x100000 -o build/kernel-i386.elf src/start32.s src/*.c
image: build/kernel-i386.elf mount
cp build/kernel-i386.elf mnt/roska/start32.elf
start32.bin: src/*
fasm src/start32.asm start32.bin
image: start32.bin mount grub-cfg roska.img mnt/roska/
cp start32.bin mnt/roska/
sync
qemu-multiboot: build/kernel-i386.elf
qemu-system-i386 -kernel build/kernel-i386.elf -serial stdio
qemu-image: image
qemu-run: image roska.img
qemu-system-i386 roska.img -serial stdio
bochs-run: image roska.img
touch serial.out
bochs -qf bochsrc.txt
mount: roska.img mnt/
@if ! mountpoint -q "mnt/"; then \
sudo mount -o loop,offset=1048576,umask=177,dmask=022,uid=$(shell id -u),gid=$(shell id -g) roska.img mnt/; \
fi;
umount:
@sudo umount mnt
@if mountpoint -q "mnt/"; then \
sudo umount mnt/; \
fi;
mnt/:
@mkdir mnt
@mkdir -p mnt
mnt/roska/: mount roska.img
@mkdir -p mnt/roska
build/:
@mkdir build
roska.img: mnt/
dd if=/dev/zero of=roska.img bs=1k count=16128
echo 'type=83' | sudo sfdisk roska.img
sudo losetup /dev/loop0 roska.img
sudo losetup /dev/loop1 roska.img -o1048576
sudo mkdosfs -F32 -f 2 /dev/loop1
sudo mount /dev/loop1 mnt/
sudo grub-install --target=i386-pc --root-directory=mnt --boot-directory=mnt/boot --no-floppy --modules="normal part_msdos multiboot" /dev/loop0
sudo umount mnt/
sudo losetup -d /dev/loop1
sudo losetup -d /dev/loop0
grub-cfg: grub.cfg mount
cp grub.cfg mnt/boot/grub/grub.cfg
lo-unsetup: umount
sudo losetup -d /dev/loop1
sudo losetup -d /dev/loop0

15
README.md
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@ -1,10 +1,11 @@
# rOSka
Multiboot compatible stupid useless OS-like project.
Multiboot compatible stupid useless OS-like project that is literally trash.
## Compatibility
- x86 system with MultiBoot compatible bootloader.
- Linear framebuffer graphics
- 32bit x86 compatible CPU required
- Booting is done with a MultiBoot compatible bootloader (for example Grub)
- Linear framebuffer graphics with 8bits per channel (any 8bit divisible
bitdepth should work but is undefined behaviour, probably funny colours lol)
- At some point tested with an old Pentium III (legacy BIOS) and a Ryzen 7 in
EFI mode. Currently aiming to support both systems.
## Building
TinyCCompiler is used, even for assembly lol.
TCC might need manual compilation for 32bit crosscompilation
on 64bit systems.
Just download the source and `make cross` or something.
FASM is used as the assembler.

14
bochsrc.txt Normal file
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@ -0,0 +1,14 @@
display_library: x, options="gui_debug"
magic_break: enabled=1
romimage: file=$BXSHARE/BIOS-bochs-legacy
vgaromimage: file=$BXSHARE/VGABIOS-lgpl-latest
clock: sync=realtime
cpu: ips=4294967295, reset_on_triple_fault=false
megs: 128
ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
ata0-master: type=disk, mode=flat, path=roska.img, cylinders=32, heads=16, spt=63
boot: disk
# Use `bximage` to get disk geometry
# Serial is piped to serial.out for your `tail`ing sweetness
com1: enabled=1, mode=file, dev=serial.out

3
grub.cfg Normal file
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@ -0,0 +1,3 @@
menuentry "rOSka" {
multiboot /roska/start32.bin
}

89
src/font.asm Normal file
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@ -0,0 +1,89 @@
;;; Resolution: 8x16
kfontbasicascii:
;; 0 NULL
db 11001100b
db 11001100b
db 00110011b
db 00110011b
db 11001100b
db 11001100b
db 00110011b
db 00110011b
db 11001100b
db 11001100b
db 00110011b
db 00110011b
db 11001100b
db 11001100b
db 00110011b
db 00110011b
;; 1-31 control characters
rb 30*16
;; 32 Space
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
;; 33 !
db 00000000b
db 00000000b
db 00000000b
db 00011000b
db 00011000b
db 00011000b
db 00011000b
db 00011000b
db 00011000b
db 00011000b
db 00011000b
db 00000000b
db 00000000b
db 00011000b
db 00011000b
db 00000000b
;; 34 "
db 00000000b
db 01100110b
db 01100110b
db 01100110b
db 01100110b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
db 00000000b
;; 35 #
db 00000000b
db 00000000b
db 00000000b
db 01100110b
db 01100110b
db 11111111b
db 11111111b
db 01100110b
db 01100110b
db 11111111b
db 11111111b
db 01100110b
db 01100110b
db 00000000b
db 00000000b
db 00000000b

152
src/font8x8_basic.h
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@ -1,152 +0,0 @@
/**
* 8x8 monochrome bitmap fonts for rendering
* Author: Daniel Hepper <daniel@hepper.net>
*
* License: Public Domain
*
* Based on:
* // Summary: font8x8.h
* // 8x8 monochrome bitmap fonts for rendering
* //
* // Author:
* // Marcel Sondaar
* // International Business Machines (public domain VGA fonts)
* //
* // License:
* // Public Domain
*
* Fetched from: http://dimensionalrift.homelinux.net/combuster/mos3/?p=viewsource&file=/modules/gfx/font8_8.asm
**/
// Constant: font8x8_basic
// Contains an 8x8 font map for unicode points U+0000 - U+007F (basic latin)
char font8x8_basic[128][8] = {
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0000 (nul)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0001
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0002
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0003
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0004
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0005
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0006
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0007
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0008
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0009
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000A
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000B
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000C
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000D
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000E
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000F
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0010
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0011
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0012
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0013
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0014
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0015
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0016
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0017
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0018
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0019
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001A
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001B
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001C
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001D
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001E
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001F
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0020 (space)
{ 0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00}, // U+0021 (!)
{ 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0022 (")
{ 0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00}, // U+0023 (#)
{ 0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00}, // U+0024 ($)
{ 0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00}, // U+0025 (%)
{ 0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00}, // U+0026 (&)
{ 0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0027 (')
{ 0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00}, // U+0028 (()
{ 0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00}, // U+0029 ())
{ 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00}, // U+002A (*)
{ 0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00}, // U+002B (+)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+002C (,)
{ 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00}, // U+002D (-)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+002E (.)
{ 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00}, // U+002F (/)
{ 0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00}, // U+0030 (0)
{ 0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00}, // U+0031 (1)
{ 0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00}, // U+0032 (2)
{ 0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00}, // U+0033 (3)
{ 0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00}, // U+0034 (4)
{ 0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00}, // U+0035 (5)
{ 0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00}, // U+0036 (6)
{ 0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00}, // U+0037 (7)
{ 0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+0038 (8)
{ 0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00}, // U+0039 (9)
{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+003A (:)
{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+003B (;)
{ 0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00}, // U+003C (<)
{ 0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00}, // U+003D (=)
{ 0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00}, // U+003E (>)
{ 0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00}, // U+003F (?)
{ 0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00}, // U+0040 (@)
{ 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}, // U+0041 (A)
{ 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00}, // U+0042 (B)
{ 0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00}, // U+0043 (C)
{ 0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00}, // U+0044 (D)
{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00}, // U+0045 (E)
{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00}, // U+0046 (F)
{ 0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00}, // U+0047 (G)
{ 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00}, // U+0048 (H)
{ 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0049 (I)
{ 0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00}, // U+004A (J)
{ 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00}, // U+004B (K)
{ 0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00}, // U+004C (L)
{ 0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00}, // U+004D (M)
{ 0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00}, // U+004E (N)
{ 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00}, // U+004F (O)
{ 0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00}, // U+0050 (P)
{ 0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00}, // U+0051 (Q)
{ 0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00}, // U+0052 (R)
{ 0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00}, // U+0053 (S)
{ 0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0054 (T)
{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00}, // U+0055 (U)
{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0056 (V)
{ 0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00}, // U+0057 (W)
{ 0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00}, // U+0058 (X)
{ 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+0059 (Y)
{ 0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00}, // U+005A (Z)
{ 0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00}, // U+005B ([)
{ 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00}, // U+005C (\)
{ 0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00}, // U+005D (])
{ 0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00}, // U+005E (^)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF}, // U+005F (_)
{ 0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0060 (`)
{ 0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00}, // U+0061 (a)
{ 0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00}, // U+0062 (b)
{ 0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00}, // U+0063 (c)
{ 0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00}, // U+0064 (d)
{ 0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00}, // U+0065 (e)
{ 0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00}, // U+0066 (f)
{ 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0067 (g)
{ 0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00}, // U+0068 (h)
{ 0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0069 (i)
{ 0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E}, // U+006A (j)
{ 0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00}, // U+006B (k)
{ 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+006C (l)
{ 0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00}, // U+006D (m)
{ 0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00}, // U+006E (n)
{ 0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+006F (o)
{ 0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F}, // U+0070 (p)
{ 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78}, // U+0071 (q)
{ 0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00}, // U+0072 (r)
{ 0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00}, // U+0073 (s)
{ 0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+0074 (t)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00}, // U+0075 (u)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0076 (v)
{ 0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00}, // U+0077 (w)
{ 0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00}, // U+0078 (x)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0079 (y)
{ 0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00}, // U+007A (z)
{ 0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00}, // U+007B ({)
{ 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, // U+007C (|)
{ 0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00}, // U+007D (})
{ 0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+007E (~)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} // U+007F
};

260
src/font_alotware.h
View file

@ -1,260 +0,0 @@
// Alotware's font, released under public domain.
// Credits to OSDev forum user Muazzam
unsigned char font[][16] = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x14, 0x14, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x7F, 0x22, 0x44, 0x44, 0xFF, 0x44, 0x44, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x10, 0x3C, 0x52, 0x50, 0x50, 0x3C, 0x12, 0x12, 0x52, 0x3C, 0x10, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x02, 0x22, 0x54, 0x24, 0x08, 0x0A, 0x15, 0x12, 0x20, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x48, 0x30, 0x34, 0x48, 0x45, 0x3E, 0x01, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x18, 0x20, 0x40, 0x40, 0x40, 0x40, 0x40, 0x20, 0x18, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x18, 0x04, 0x02, 0x02, 0x02, 0x02, 0x02, 0x04, 0x18, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x2A, 0x1C, 0x1C, 0x2A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x7F, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x08, 0x10, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x04, 0x04, 0x08, 0x08, 0x10, 0x10, 0x20, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x46, 0x4A, 0x52, 0x62, 0x42, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x10, 0x30, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x7E, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x02, 0x04, 0x38, 0x04, 0x02, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x0C, 0x14, 0x24, 0x44, 0x44, 0x7E, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7E, 0x40, 0x40, 0x40, 0x7C, 0x02, 0x02, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x40, 0x40, 0x40, 0x7C, 0x42, 0x42, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7E, 0x42, 0x04, 0x08, 0x08, 0x10, 0x10, 0x20, 0x20, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x42, 0x42, 0x3C, 0x42, 0x42, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x42, 0x42, 0x3E, 0x02, 0x02, 0x02, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x08, 0x10, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x04, 0x08, 0x10, 0x20, 0x40, 0x20, 0x10, 0x08, 0x04, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x02, 0x04, 0x08, 0x10, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x42, 0x4E, 0x52, 0x4E, 0x40, 0x40, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x42, 0x42, 0x7E, 0x42, 0x42, 0x42, 0x42, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7C, 0x42, 0x42, 0x42, 0x7C, 0x42, 0x42, 0x42, 0x7C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x40, 0x40, 0x40, 0x40, 0x40, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x78, 0x44, 0x42, 0x42, 0x42, 0x42, 0x42, 0x44, 0x78, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7E, 0x40, 0x40, 0x40, 0x7E, 0x40, 0x40, 0x40, 0x7E, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7E, 0x40, 0x40, 0x40, 0x7E, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x40, 0x40, 0x40, 0x4E, 0x42, 0x42, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x42, 0x42, 0x42, 0x7E, 0x42, 0x42, 0x42, 0x42, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x38, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x38, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x0E, 0x04, 0x04, 0x04, 0x04, 0x04, 0x44, 0x44, 0x38, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x44, 0x48, 0x50, 0x60, 0x50, 0x48, 0x44, 0x42, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x7F, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x42, 0x66, 0x5A, 0x5A, 0x42, 0x42, 0x42, 0x42, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x42, 0x62, 0x52, 0x52, 0x4A, 0x4A, 0x46, 0x42, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7C, 0x42, 0x42, 0x42, 0x7C, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x42, 0x42, 0x42, 0x42, 0x4A, 0x46, 0x3E, 0x01, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7C, 0x42, 0x42, 0x42, 0x7C, 0x60, 0x50, 0x48, 0x44, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x3C, 0x42, 0x40, 0x40, 0x3C, 0x02, 0x02, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7F, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3C, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x24, 0x24, 0x18, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x42, 0x42, 0x42, 0x42, 0x5A, 0x5A, 0x66, 0x42, 0x42, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x28, 0x28, 0x10, 0x10, 0x28, 0x44, 0x44, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x28, 0x28, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x7E, 0x04, 0x08, 0x08, 0x10, 0x10, 0x20, 0x40, 0x7E, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x78, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x78, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x40, 0x40, 0x20, 0x20, 0x10, 0x10, 0x08, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x1E, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x1E, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x18, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
};

72
src/framebuffer.asm Normal file
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macro kputpixel x*, y*, r*, g*, b* {
push b ;b
push g ;g
push r ;r
push y ;y
push x ;x
call putpixel
add esp, 4*5
}
;; x, y, r, g, b
putpixel:
push ebp
mov ebp, esp
push ebx
push edi
; check pixel is in screen
mov ebx, [ebp+12] ;y
cmp ebx, [mbootinfo.fb_height]
jge .done
mov ecx, [ebp+8] ;x
cmp ecx, [mbootinfo.fb_width]
jge .done
; Destination
mov edi, [mbootinfo.fb_addr]
mov eax, [mbootinfo.fb_pitch]
mul dword ebx ;y
add edi, eax
mov eax, ecx ;x
movzx ecx, byte [mbootinfo.fb_bytespp]
mul ecx
add edi, eax
; Poke videomemory
xor eax, eax
mov ebx, [ebp+16]
mov cl, [mbootinfo.fb_rpos]
shl ebx, cl
or eax, ebx
mov ebx, [ebp+20]
mov cl, [mbootinfo.fb_gpos]
shl ebx, cl
or eax, ebx
mov ebx, [ebp+24]
mov cl, [mbootinfo.fb_bpos]
shl ebx, cl
or eax, ebx
cmp [mbootinfo.fb_bpp], 32
jne .bpp24
stosd
jmp .done
.bpp24:
stosb
shr eax, 8
stosb
shr eax, 8
stosb
.done:
pop edi
pop ebx
pop ebp
ret

99
src/framebuffer.c
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@ -1,99 +0,0 @@
#include "framebuffer.h"
#include "font_alotware.h"
#include "serial.h"
#include "xtoa.h"
static unsigned long fb_address;
static unsigned long fb_pitch;
static unsigned short fb_width, fb_height;
static unsigned char fb_bpp, fb_bytespp;
static unsigned char fb_rpos, fb_bpos, fb_gpos;
void initfb(
unsigned long addr,
unsigned short w,
unsigned short h,
unsigned char bpp,
unsigned long pitch,
unsigned char rpos,
unsigned char gpos,
unsigned char bpos
){
fb_address = addr;
fb_pitch = pitch;
fb_width = w;
fb_height = h;
fb_bpp = bpp;
fb_bytespp = bpp/8;
fb_rpos = rpos;
fb_gpos = gpos;
fb_bpos = bpos;
}
void putpixel(
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
){
if (x > fb_width || y > fb_height)
return;
unsigned long dest_addr = fb_address + y*fb_pitch + x*fb_bytespp;
if (fb_bpp == 32) {
*((unsigned long *)(dest_addr)) = r<<fb_rpos | g<<fb_gpos | b<<fb_bpos;
} else {
*((unsigned char *)(dest_addr + fb_rpos/8)) = r;
*((unsigned char *)(dest_addr + fb_gpos/8)) = g;
*((unsigned char *)(dest_addr + fb_bpos/8)) = b;
}
}
void putc(
const char *character,
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
){
// Limit to ASCII printable
if (*character < 0x20 || *character > 0x7e) {
serial_write_string("\nputc ASCII out of range: ");
serial_write_string(uitoa(*character, 16));
return;
}
unsigned char *rowdata = font[*character];
unsigned char charx, chary, iy, ix;
unsigned char sizex=1;
unsigned char sizey=1;
for (chary=0;chary<16;chary++) {
for (charx=0;charx<8;charx++) {
//unsigned char pix = rowdata[chary] & 1 << charx;
unsigned char pix = rowdata[chary] & 0b10000000 >> charx;
if (pix) {
for (iy=0;iy<sizey;iy++) {
for (ix=0;ix<sizex;ix++) {
putpixel(x+charx*sizex+ix, y+chary*sizey+iy, r, g, b);
}
}
}
}
}
}
void puts(
const char *text,
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
){
unsigned char i = 0;
while (text[i]) {
putc(text+i, x+i*8, y, r, g, b);
i++;
}
}

37
src/framebuffer.h
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#ifndef _FRAMEBUFFER_H
#define _FRAMEBUFFER_H 1
void initfb(
unsigned long addr,
unsigned short w,
unsigned short h,
unsigned char bpp,
unsigned long pitch,
unsigned char rpos,
unsigned char gpos,
unsigned char bpos
);
void putpixel(
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
);
void putc(
const char *character,
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
);
void puts(
const char *text,
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
);
#endif

109
src/itoa.asm Normal file
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;; Modified from: https://gist.github.com/SplittyDev/8e728627012e57ac0deac196660014fb
; __itoa(src int, target addr, base)
;target address returned in EAX
;EBX, EBP, ESP preserved as our calling convention,
;refer to docs or something
;
; Routine to convert a 32-bit integer to a string.
;
; EAX: Source integer
; EBX: Target address
; ECX: Base
;
; Internal register layout:
; start:
; EAX: Source integer
; ECX: Target address
; EDX: Base
; checknegative:
; EAX: Source integer
; EBX: Target address (original)
; ECX: Target address (active)
; divrem:
; EAX: Source integer
; ECX: Target address (active)
; EDX: Base / Result
; reverse:
; EBX: Target address (original)
; ECX: Target address (active)
; EDX: Target address (temporary)
;
; return:
; put original target at EAX
; (we trust this blindly)
macro kuitoa src*, dest*, base* {
push base
push dest
push src
call __uitoa
add esp, 3*4
}
__uitoa:
.start:
push ebp
mov ebp, esp
push ebx
mov eax, [ebp+8]
mov ebx, [ebp+12]
mov ecx, [ebp+16]
mov edx, ecx
mov ecx, ebx
;.checknegative:
; test eax, eax
; jns .divrem
; mov byte [ecx], 0x2D
; inc ecx
; mov ebx, ecx
; neg eax
.divrem:
push edx
push ecx
mov ecx, edx
xor edx, edx
div ecx
mov byte dl, [__itoacvt + edx]
pop ecx
mov byte [ecx], dl
pop edx
inc ecx
cmp eax, 0x00
jne .divrem
mov byte [ecx], 0x00
dec ecx
.reverse:
cmp ebx, ecx
jge .end
mov byte dl, [ebx]
mov byte al, [ecx]
mov byte [ebx], al
mov byte [ecx], dl
inc ebx
dec ecx
jmp .reverse
.end:
pop ebx
mov eax, [ebp+12] ; Return target address
pop ebp
ret
;
; Conversion table for __itoa.
; Works for bases [2 ... 36].
;
__itoacvt:
db '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
;
; Buffer to store the result of __itoa in.
;
align 64
__itoabuf32:
rb 36

98
src/kernel.c
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@ -1,98 +0,0 @@
#include "multiboot.h"
#include "framebuffer.h"
#include "serial.h"
#include "xtoa.h"
static inline void outb(unsigned short port, unsigned char val)
{
asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
}
static inline unsigned char inb(unsigned short port)
{
unsigned char ret;
asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
return ret;
}
void kmain (unsigned int mbootmagick, multiboot_info_t* mbootinfo)
{
// Cursor disabling
outb(0x3D4, 0x0A);
outb(0x3D5, 0x20);
int serial_initialized = serial_init();
serial_write_string("\n=== rOSka ===\n");
// Check multiboot header
if (mbootmagick != MULTIBOOT_BOOTLOADER_MAGIC) {
return;
}
serial_write_string("\nMultiboot flags: ");
serial_write_string(itoa(mbootinfo->flags, 2));
// Check videomode
if (mbootinfo->flags & MULTIBOOT_INFO_VBE_INFO) {
serial_write_string("\nVBE Mode: 0x");
serial_write_string(itoa(mbootinfo->vbe_mode, 16));
}
if (!(mbootinfo->flags & MULTIBOOT_INFO_FRAMEBUFFER_INFO)) {
serial_write_string("\nVideo info not available");
return;
}
serial_write_string("\nFramebuffer: ");
serial_write_string("\n Address: 0x");
serial_write_string(ultoa(mbootinfo->framebuffer_addr, 16));
serial_write_string("\n Dimensions: ");
serial_write_string(itoa(mbootinfo->framebuffer_width, 10));
serial_write_string("X");
serial_write_string(itoa(mbootinfo->framebuffer_height, 10));
serial_write_string("x");
serial_write_string(itoa(mbootinfo->framebuffer_bpp, 10));
serial_write_string("\n Pitch: ");
serial_write_string(itoa(mbootinfo->framebuffer_pitch, 10));
serial_write_string("\n RPos:");
serial_write_string(itoa(mbootinfo->framebuffer_red_field_position, 10));
serial_write_string("\n GPos:");
serial_write_string(itoa(mbootinfo->framebuffer_green_field_position, 10));
serial_write_string("\n BPos:");
serial_write_string(itoa(mbootinfo->framebuffer_blue_field_position, 10));
serial_write_string("\nMemory: ");
serial_write_string("\n lower: ");
serial_write_string(uitoa(mbootinfo->mem_lower, 10));
serial_write_string(" k");
serial_write_string("\n upper: ");
serial_write_string(uitoa(mbootinfo->mem_upper/1024, 10));
serial_write_string(" M");
initfb(
mbootinfo->framebuffer_addr,
mbootinfo->framebuffer_width,
mbootinfo->framebuffer_height,
mbootinfo->framebuffer_bpp,
mbootinfo->framebuffer_pitch,
mbootinfo->framebuffer_red_field_position,
mbootinfo->framebuffer_green_field_position,
mbootinfo->framebuffer_blue_field_position
);
int x, y;
for (y=mbootinfo->framebuffer_height; y>=0; y--) {
for (x=mbootinfo->framebuffer_width; x>=0; x--) {
putpixel(x, y, 0, 0x55, 0x55);
}
}
puts(" !\"#$%&\'()*+,-./0123456789 :;<=>?@", mbootinfo->framebuffer_width-35*8, mbootinfo->framebuffer_height-16*3-8, 0xff, 0xff, 0xff);
puts("ABCDEFGHIJKLMNOPQRSTUVWXYZ [\\]^_`", mbootinfo->framebuffer_width-35*8, mbootinfo->framebuffer_height-16*2-8, 0xff, 0xff, 0xff);
puts("abcdefghijklmnopqrstuvwxyz {|}~", mbootinfo->framebuffer_width-35*8, mbootinfo->framebuffer_height-16-8, 0xff, 0xff, 0xff);
puts("rOSka on paskaa ja paska ei lopu koskaa, huehue", 0, 0, 0xff, 0xff, 0xff);
//while(1){}
serial_write_string("\nExecution finished, halting...\n");
}

119
src/mbootinfo.asm Normal file
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mbootgetinfo:
push ebp
mov ebp, esp
push esi
push edi
cld
mov eax, [ebp+8]
cmp eax, 0x2badb002
jne mbootnomagic
mov edx, [ebp+12]
mov eax, [edx]
mov [mbootinfo.flags], eax
;; Get memoryinformation
test eax, 1b
jz mbootnomeminfo
mov eax, [edx+4]
mov [mbootinfo.mem_lower], eax
mov eax, [edx+8]
mov [mbootinfo.mem_upper], eax
;; Get videoinformation
test [mbootinfo.flags], (1 shl 02)
jz mbootnovideoinfo
mov esi, edx
add esi, 88
mov eax, [esi]
mov [mbootinfo.fb_addr], eax
add esi, 8
mov eax, [esi]
mov [mbootinfo.fb_pitch], eax
add esi, 4
mov eax, [esi]
mov [mbootinfo.fb_width], eax
add esi, 4
mov eax, [esi]
mov [mbootinfo.fb_height], eax
add esi, 4
mov al, [esi]
mov [mbootinfo.fb_bpp], al
inc esi
mov al, [esi]
cmp al, 1
jne mbootunsupportedfbtype
mov [mbootinfo.fb_type], al
inc esi
;garbage?
add esi, 2
;; r/g/b positions and masks
mov ecx, 6
mov edi, mbootinfo.fb_rpos
rep movsb
.bytesppcalc:
xor eax, eax
mov al, [mbootinfo.fb_bpp]
mov edx, 8
div dl
mov [mbootinfo.fb_bytespp], al
.done:
pop edi
pop esi
pop ebp
ret
mbootnomagic:
push .msg
call serialwrite
jmp hang
.msg db "No multiboot magic!", 10, 0
mbootnomeminfo:
push .msg
call serialwrite
jmp hang
.msg db "No memoryinfo!", 10, 0
mbootnovideoinfo:
push .msg
call serialwrite
jmp hang
.msg db "No videoryinfo!", 10, 0
mbootunsupportedfbtype:
push .msg
call serialwrite
jmp hang
.msg db "Unsupported framebuffer type: only direct RGB is supported!", 10, 0
mbootunsupportedfbbpp:
push .msg
call serialwrite
jmp hang
.msg db "Unsupported bitdepth: only 24 and 32 bpp supported!", 10, 0
mbootinfo:
.flags dd 0
.mem_lower dd 0
.mem_upper dd 0
.fb_addr dd 0
.fb_pitch dd 0
.fb_width dd 0
.fb_height dd 0
.fb_bpp db 0
.fb_type db 0
.fb_rpos db 0
.fb_rmasksize db 0
.fb_gpos db 0
.fb_gmasksize db 0
.fb_bpos db 0
.fb_bmasksize db 0
.fb_bytespp db 0

274
src/multiboot.h
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@ -1,274 +0,0 @@
/* multiboot.h - Multiboot header file. */
/* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
* DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef MULTIBOOT_HEADER
#define MULTIBOOT_HEADER 1
/* How many bytes from the start of the file we search for the header. */
#define MULTIBOOT_SEARCH 8192
#define MULTIBOOT_HEADER_ALIGN 4
/* The magic field should contain this. */
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
/* This should be in %eax. */
#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
/* Alignment of multiboot modules. */
#define MULTIBOOT_MOD_ALIGN 0x00001000
/* Alignment of the multiboot info structure. */
#define MULTIBOOT_INFO_ALIGN 0x00000004
/* Flags set in the ’flags’ member of the multiboot header. */
/* Align all boot modules on i386 page (4KB) boundaries. */
#define MULTIBOOT_PAGE_ALIGN 0x00000001
/* Must pass memory information to OS. */
#define MULTIBOOT_MEMORY_INFO 0x00000002
/* Must pass video information to OS. */
#define MULTIBOOT_VIDEO_MODE 0x00000004
/* This flag indicates the use of the address fields in the header. */
#define MULTIBOOT_AOUT_KLUDGE 0x00010000
/* Flags to be set in the ’flags’ member of the multiboot info structure. */
/* is there basic lower/upper memory information? */
#define MULTIBOOT_INFO_MEMORY 0x00000001
/* is there a boot device set? */
#define MULTIBOOT_INFO_BOOTDEV 0x00000002
/* is the command-line defined? */
#define MULTIBOOT_INFO_CMDLINE 0x00000004
/* are there modules to do something with? */
#define MULTIBOOT_INFO_MODS 0x00000008
/* These next two are mutually exclusive */
/* is there a symbol table loaded? */
#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
/* is there an ELF section header table? */
#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
/* is there a full memory map? */
#define MULTIBOOT_INFO_MEM_MAP 0x00000040
/* Is there drive info? */
#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
/* Is there a config table? */
#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
/* Is there a boot loader name? */
#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
/* Is there a APM table? */
#define MULTIBOOT_INFO_APM_TABLE 0x00000400
/* Is there video information? */
#define MULTIBOOT_INFO_VBE_INFO 0x00000800
#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
#ifndef ASM_FILE
typedef unsigned char multiboot_uint8_t;
typedef unsigned short multiboot_uint16_t;
typedef unsigned int multiboot_uint32_t;
typedef unsigned long long multiboot_uint64_t;
struct multiboot_header
{
/* Must be MULTIBOOT_MAGIC - see above. */
multiboot_uint32_t magic;
/* Feature flags. */
multiboot_uint32_t flags;
/* The above fields plus this one must equal 0 mod 2^32. */
multiboot_uint32_t checksum;
/* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
multiboot_uint32_t header_addr;
multiboot_uint32_t load_addr;
multiboot_uint32_t load_end_addr;
multiboot_uint32_t bss_end_addr;
multiboot_uint32_t entry_addr;
/* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
multiboot_uint32_t mode_type;
multiboot_uint32_t width;
multiboot_uint32_t height;
multiboot_uint32_t depth;
};
/* The symbol table for a.out. */
struct multiboot_aout_symbol_table
{
multiboot_uint32_t tabsize;
multiboot_uint32_t strsize;
multiboot_uint32_t addr;
multiboot_uint32_t reserved;
};
typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
/* The section header table for ELF. */
struct multiboot_elf_section_header_table
{
multiboot_uint32_t num;
multiboot_uint32_t size;
multiboot_uint32_t addr;
multiboot_uint32_t shndx;
};
typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
struct multiboot_info
{
/* Multiboot info version number */
multiboot_uint32_t flags;
/* Available memory from BIOS */
multiboot_uint32_t mem_lower;
multiboot_uint32_t mem_upper;
/* "root" partition */
multiboot_uint32_t boot_device;
/* Kernel command line */
multiboot_uint32_t cmdline;
/* Boot-Module list */
multiboot_uint32_t mods_count;
multiboot_uint32_t mods_addr;
union
{
multiboot_aout_symbol_table_t aout_sym;
multiboot_elf_section_header_table_t elf_sec;
} u;
/* Memory Mapping buffer */
multiboot_uint32_t mmap_length;
multiboot_uint32_t mmap_addr;
/* Drive Info buffer */
multiboot_uint32_t drives_length;
multiboot_uint32_t drives_addr;
/* ROM configuration table */
multiboot_uint32_t config_table;
/* Boot Loader Name */
multiboot_uint32_t boot_loader_name;
/* APM table */
multiboot_uint32_t apm_table;
/* Video */
multiboot_uint32_t vbe_control_info;
multiboot_uint32_t vbe_mode_info;
multiboot_uint16_t vbe_mode;
multiboot_uint16_t vbe_interface_seg;
multiboot_uint16_t vbe_interface_off;
multiboot_uint16_t vbe_interface_len;
multiboot_uint64_t framebuffer_addr;
multiboot_uint32_t framebuffer_pitch;
multiboot_uint32_t framebuffer_width;
multiboot_uint32_t framebuffer_height;
multiboot_uint8_t framebuffer_bpp;
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
multiboot_uint8_t framebuffer_type;
union
{
struct
{
multiboot_uint32_t framebuffer_palette_addr;
multiboot_uint16_t framebuffer_palette_num_colors;
};
struct
{
multiboot_uint8_t framebuffer_red_field_position;
multiboot_uint8_t framebuffer_red_mask_size;
multiboot_uint8_t framebuffer_green_field_position;
multiboot_uint8_t framebuffer_green_mask_size;
multiboot_uint8_t framebuffer_blue_field_position;
multiboot_uint8_t framebuffer_blue_mask_size;
};
};
};
typedef struct multiboot_info multiboot_info_t;
struct multiboot_color
{
multiboot_uint8_t red;
multiboot_uint8_t green;
multiboot_uint8_t blue;
};
struct multiboot_mmap_entry
{
multiboot_uint32_t size;
multiboot_uint64_t addr;
multiboot_uint64_t len;
#define MULTIBOOT_MEMORY_AVAILABLE 1
#define MULTIBOOT_MEMORY_RESERVED 2
#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
#define MULTIBOOT_MEMORY_NVS 4
#define MULTIBOOT_MEMORY_BADRAM 5
multiboot_uint32_t type;
} __attribute__((packed));
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
struct multiboot_mod_list
{
/* the memory used goes from bytes ’mod_start’ to ’mod_end-1’ inclusive */
multiboot_uint32_t mod_start;
multiboot_uint32_t mod_end;
/* Module command line */
multiboot_uint32_t cmdline;
/* padding to take it to 16 bytes (must be zero) */
multiboot_uint32_t pad;
};
typedef struct multiboot_mod_list multiboot_module_t;
/* APM BIOS info. */
struct multiboot_apm_info
{
multiboot_uint16_t version;
multiboot_uint16_t cseg;
multiboot_uint32_t offset;
multiboot_uint16_t cseg_16;
multiboot_uint16_t dseg;
multiboot_uint16_t flags;
multiboot_uint16_t cseg_len;
multiboot_uint16_t cseg_16_len;
multiboot_uint16_t dseg_len;
};
#endif /* ! ASM_FILE */
#endif /* ! MULTIBOOT_HEADER */

32
src/roskalogoraw.asm Normal file
View file

@ -0,0 +1,32 @@
jmp roskalogofileskip
roskalogo:
db 0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff
db 0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
db 0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff
db 0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff
.w db 84
.h db 27
roskalogofileskip:

90
src/serial.asm Normal file
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@ -0,0 +1,90 @@
SERIAL_PORT equ 0x3f8
serialinitialized db 0
; Write null terminated string in address str_pointer to serial
macro serw [str_pointer*] {
push str_pointer
call serialwrite
add esp, 4
}
serialinit:
;Disable ints
mov dx, SERIAL_PORT+1
mov al, 0x00
out dx, al
;Enable DLAB baud divisor and set 3 (38400 baud)
mov al, 0x80
mov dx, SERIAL_PORT+3
out dx, al
;Baud divisor lo byte
mov al, 0x03
mov dx, SERIAL_PORT
out dx, al
;Baud divisor hi byte
mov al, 0x00
mov dx, SERIAL_PORT+1
out dx, al
;8bits, no parity, one stop bit
mov al, 0x03
mov dx, SERIAL_PORT+3
out dx, al
;Enable+clear FIFO, 14-byte threshold
mov al, 0xc7
mov dx, SERIAL_PORT+2
out dx, al
;IRQs enabled, RTS/DSR set
mov al, 0x0b
mov dx, SERIAL_PORT+4
out dx, al
;Set loopback for test purposes
mov al, 0x1e
out dx, al
;; Check if serial is workie
mov al, 0xae
mov dx, SERIAL_PORT
out dx, al
in al, dx
cmp al, 0xae
jne .end
;; Set serial to normal operation
mov dx, SERIAL_PORT+4
mov al, 0x0f
out dx, al
mov [serialinitialized], 1
.end:
ret
.errormsg db "Serial init failed", 0
serialwrite:
cmp [serialinitialized], 0
je .notinitialized
push ebp
mov ebp, esp
push esi
cld
mov esi, [ebp+8]
.loop:
mov dx, SERIAL_PORT+5
.wait:
in al, dx
and al, 0x20
jz .wait
lodsb
or al, al
jz .done
mov dx, SERIAL_PORT
out dx, al
jmp .loop
.done:
pop esi
pop ebp
ret
.notinitialized:
ret

56
src/serial.c
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@ -1,56 +0,0 @@
#include "serial.h"
#define PORT 0x3f8 // COM1
static inline void outb(unsigned short port, unsigned char val)
{
asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
}
static inline unsigned char inb(unsigned short port)
{
unsigned char ret;
asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory");
return ret;
}
int serial_init()
{
outb(PORT + 1, 0x00); // Disable all interrupts
outb(PORT + 3, 0x80); // Enable DLAB (set baud rate divisor)
outb(PORT + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
outb(PORT + 1, 0x00); // (hi byte)
outb(PORT + 3, 0x03); // 8 bits, no parity, one stop bit
outb(PORT + 2, 0xC7); // Enable FIFO, clear them, 14-byte threshold
outb(PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set
outb(PORT + 4, 0x1E); // Set in loopback mode, test the serial chip
outb(PORT + 0, 0xAE); // Test serial chip (send byte 0xAE and check
// if serial returns same byte)
// Check if serial is faulty (i.e: not same byte as sent)
if (inb(PORT + 0) != 0xAE)
return 1;
// If serial is not faulty set it in normal operation mode
// (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled)
outb(PORT + 4, 0x0F);
return 0;
}
static int serial_is_transmit_empty()
{
return inb(PORT + 5) & 0x20;
}
static void serial_write_char(char chr)
{
while (serial_is_transmit_empty() == 0);
outb(PORT, chr);
}
void serial_write_string(const char* text)
{
int i = 0;
while (text[i]) {
serial_write_char(text[i]);
i++;
}
}

7
src/serial.h
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@ -1,7 +0,0 @@
#ifndef HEADER_SERIAL
#define HEADER_SERIAL
int serial_init(void);
void serial_write_string(const char* text);
#endif

162
src/start32.asm Normal file
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@ -0,0 +1,162 @@
format binary
use32
org 0x100000
MB_HEADER_MAGIC equ 0x1BADB002
MB_PAGE_ALIGN equ (1 shl 0)
MB_MEMORY_INFO equ (1 shl 1)
MB_VIDEO_REQUEST equ (1 shl 2)
MB_AOUT_KLUDGE equ (1 shl 16)
MB_HEADER_FLAGS equ MB_PAGE_ALIGN or MB_MEMORY_INFO or MB_VIDEO_REQUEST
MB_HEADER_FLAGS equ MB_PAGE_ALIGN or MB_MEMORY_INFO or MB_VIDEO_REQUEST or MB_AOUT_KLUDGE
MB_CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS)
VWIDTH equ 640
VHEIGHT equ 480
VDEPTH equ 32
multiboot:
dd MB_HEADER_MAGIC
dd MB_HEADER_FLAGS
dd MB_CHECKSUM
dd multiboot ; header address
dd 0x100000 ; load address
dd bss_start ; load end address
dd bss_end ; bss end address
dd start ; entry address
dd 0 ; video mode_type (0:fb, 1:txt) (set flags[2]!)
dd VWIDTH ; video width
dd VHEIGHT ; video height
dd VDEPTH ; video depth
; Includes yayyy
include "src/serial.asm"
include "src/mbootinfo.asm"
include "src/itoa.asm"
include "src/framebuffer.asm"
include "src/roskalogoraw.asm"
start:
; Setup stack
mov ebp, stack_top
mov esp, stack_top
push ebx
push eax
call serialinit
serw stuff.bootmsg
call mbootgetinfo
add esp, 2*4
sub esp, 36 ;Reserve stack for return
mov ebx, esp ;Store str buff addr
kuitoa [mbootinfo.fb_addr], ebx, 16
serw stuff.fbaddrmsgpfx, ebx
kuitoa [mbootinfo.fb_width], ebx, 10
serw stuff.fbdimensionsmsgpfx, ebx, stuff.x
kuitoa [mbootinfo.fb_height], ebx, 10
serw ebx, stuff.x
movzx eax, byte [mbootinfo.fb_bpp]
kuitoa eax, ebx, 10
serw ebx
movzx eax, byte [mbootinfo.fb_rpos]
kuitoa eax, ebx, 10
serw stuff.rpostxt, ebx
movzx eax, byte [mbootinfo.fb_gpos]
kuitoa eax, ebx, 10
serw stuff.gpostxt, ebx
movzx eax, byte [mbootinfo.fb_bpos]
kuitoa eax, ebx, 10
serw stuff.bpostxt, ebx
movzx eax, byte [mbootinfo.fb_rmasksize]
kuitoa eax, ebx, 10
serw stuff.rmasksizetxt, ebx
movzx eax, byte [mbootinfo.fb_gmasksize]
kuitoa eax, ebx, 10
serw stuff.gmasksizetxt, ebx
movzx eax, byte [mbootinfo.fb_bmasksize]
kuitoa eax, ebx, 10
serw stuff.bmasksizetxt, ebx
add esp, 36 ;Clean reserved uitoa return string from stack
; Draw a green test pixel to bottom-right
kputpixel VWIDTH-1, VHEIGHT-1, 0x00, 0xff, 0x00
; Draw a predefined logo in magenta to top-left
rOSkalogodraw:
mov esi, roskalogo
mov eax, 0 ;Brightness
mov ebx, 0 ;y
mov ecx, 0 ;x
.loop:
lodsb
push ecx
push eax
kputpixel ecx, ebx, eax, 0x00, eax
pop eax
pop ecx
inc ecx
cmp byte cl, [roskalogo.w]
jne .loop
mov ecx, 0
inc ebx
cmp byte bl, [roskalogo.h]
jne .loop
.done:
jmp hang
hang:
serw .msg
cli
.loop:
hlt
jmp .loop
.msg db 10, "Halting...", 10, 0
stuff:
.bootmsg db 10, "=== rOSka ===", 10, 0
.fbaddrmsgpfx db 10, "Framebuffer address: 0x", 0
.fbdimensionsmsgpfx db 10, "Framebuffer dimensions: ", 0
.x db "x", 0
.rpostxt db 10, "rPos: ", 0
.gpostxt db 10, "gPos: ", 0
.bpostxt db 10, "bPos: ", 0
.rmasksizetxt db 10, "rMaskSize: ", 0
.gmasksizetxt db 10, "gMaskSize: ", 0
.bmasksizetxt db 10, "bMaskSize: ", 0
align 4096
bss_start:
;align 4096
;pagedir:
; rb 4096
;align 4096
;pagetable1:
; rb 4096
align 4096
stack_bottom:
rb 16384
stack_top:
bss_end:

44
src/start32.s
View file

@ -1,44 +0,0 @@
.set MULTIBOOT_PAGE_ALIGN, 1 << 0
.set MULTIBOOT_MEMORY_INFO, 1 << 1
.set MULTIBOOT_VIDEO_REQUEST, 1 << 2
.set MULTIBOOT_AOUT_KLUDGE, 0 << 16
.set MULTIBOOT_HEADER_MAGIC, 0x1BADB002
.set MULTIBOOT_HEADER_FLAGS, MULTIBOOT_PAGE_ALIGN | MULTIBOOT_MEMORY_INFO | MULTIBOOT_VIDEO_REQUEST | MULTIBOOT_AOUT_KLUDGE
.set MULTIBOOT_CHECKSUM, -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)
#.section ".multiboottbabeee"
.align 4
.long MULTIBOOT_HEADER_MAGIC
.long MULTIBOOT_HEADER_FLAGS
.long MULTIBOOT_CHECKSUM
.long 0 # header address
.long 0 # load address
.long 0 # load end address
.long 0 # bss end address
.long 0 # entry address
.long 0 # video mode_type (0:fb, 1:txt) (set flags[2]!)
.long 1024 # video width
.long 768 # video height
.long 32 # video depth
.bss
.align 16
stack_bottom:
.skip 16384 # 16k
stack_top:
.text
.global _start
_start:
# Setup stack
mov $stack_top, %esp
# Call the main kernel function.
push %ebx
push %eax
call kmain
cli
1: hlt
jmp 1b

104
src/xtoa.c
View file

@ -1,104 +0,0 @@
#include "xtoa.h"
char* itoa(int value, int base)
{
char* result;
// check that the base if valid
if (base < 2 || base > 36) { *result = '\0'; return result; }
char* ptr = result, *ptr1 = result, tmp_char;
int tmp_value;
do {
tmp_value = value;
value /= base;
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
} while ( value );
// Apply negative sign
if (tmp_value < 0) *ptr++ = '-';
*ptr-- = '\0';
while (ptr1 < ptr) {
tmp_char = *ptr;
*ptr--= *ptr1;
*ptr1++ = tmp_char;
}
return result;
}
char* uitoa(unsigned int value, int base)
{
char* result;
// check that the base if valid
if (base < 2 || base > 36) { *result = '\0'; return result; }
char* ptr = result, *ptr1 = result, tmp_char;
int tmp_value;
do {
tmp_value = value;
value /= base;
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
} while ( value );
*ptr-- = '\0';
while (ptr1 < ptr) {
tmp_char = *ptr;
*ptr--= *ptr1;
*ptr1++ = tmp_char;
}
return result;
}
char* ltoa(long value, int base)
{
char* result;
// check that the base if valid
if (base < 2 || base > 36) { *result = '\0'; return result; }
char* ptr = result, *ptr1 = result, tmp_char;
int tmp_value;
do {
tmp_value = value;
value /= base;
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
} while ( value );
// Apply negative sign
if (tmp_value < 0) *ptr++ = '-';
*ptr-- = '\0';
while (ptr1 < ptr) {
tmp_char = *ptr;
*ptr--= *ptr1;
*ptr1++ = tmp_char;
}
return result;
}
char* ultoa(unsigned long value, int base)
{
char* result;
// check that the base if valid
if (base < 2 || base > 36) { *result = '\0'; return result; }
char* ptr = result, *ptr1 = result, tmp_char;
int tmp_value;
do {
tmp_value = value;
value /= base;
*ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
} while ( value );
*ptr-- = '\0';
while (ptr1 < ptr) {
tmp_char = *ptr;
*ptr--= *ptr1;
*ptr1++ = tmp_char;
}
return result;
}

9
src/xtoa.h
View file

@ -1,9 +0,0 @@
#ifndef HEADER_XTOA
#define HEADER_XTOA
char *itoa(int value, int base);
char *uitoa(unsigned int value, int base);
char *ltoa(long value, int base);
char *ultoa(unsigned long value, int base);
#endif