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update readme (typo+syslinux)

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Lauren Toivanen 2025-10-30 02:01:40 +02:00
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README.md
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@ -6,13 +6,13 @@
- Assembles with FASM - Assembles with FASM
- We'll probably use ext2 filesystem - We'll probably use ext2 filesystem
## GRUB disk creation ## GRUB disk creation
1. Format disk. Create ext2 partition 1. Format disk. Create ext2 partition
2. Create directory mnt and mount your partition to it 2. Create directory mnt and mount your partition to it
``` ```
mkdir mnt mkdir mnt
sudo mount /dev/sdX mnt sudo mount /dev/sdX1 mnt
``` ```
3. Intall grub using `sudo grub-install --target=i386-pc --removable --boot-dir=mnt/boot /dev/sdX` 3. Intall grub using `sudo grub-install --target=i386-pc --removable --boot-dir=mnt/boot /dev/sdX`
4. Create config 4. Create config
@ -22,10 +22,36 @@
boot boot
} }
``` ```
5. Copy assembled kernel to `mnt/boot/roska.bin` 5. Copy assembled kernel to `mnt/boot/roska.bin`
## extlinux disk creation
1. Format disk. Create ext2 partition and mark it active boot partition.
2. Add syslinux to bootloader
`sudo dd if=/usr/lib/syslinux/bios/mbr.bin of=/dev/sdX`
3. Create directory mnt and mount your partition to it. Add boot directory to it.
```
mkdir mnt
sudo mount /dev/sdX1 mnt
sudo mkdir mnt/boot
```
4. Install extlinux(syslinux)
```
sudo extlinux --install --device /dev/sdX1 mnt/boot
sudo cp /usr/lib/syslinux/bios/libcom32.c32 mnt/boot/
sudo cp /usr/lib/syslinux/bios/mboot.c32 mnt/boot/
```
5. Create config
``` mnt/boot/syslinux.cfg
DEFAULT rOSka
LABEL rOSka
SAY extlinux is booting rOSka...
KERNEL /boot/mboot.c32
APPEND /boot/roska.bin
```
6. Copy assembled kernel to `mnt/boot/roska.bin`
7. Have no video because naughty implementation doesn't tell
us the framebuffer address :(