36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
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https://www.cs.bham.ac.uk/~exr/lectures/opsys/10_11/lectures/os-dev.pdf
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CURRENT PAGE: 46
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Name:
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Obsidian Starlight OS
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Compile Assembly:
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cd "\Users\05wse01\Desktop\OST OS"
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C:\Users\05wse01\AppData\Local\bin\NASM\nasm.exe boot_sect.asm -f bin -o boot_sect.bin
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NOTE: The boot_sect.bin date wont change in the process... To clear out some confusions
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Create VirtualBox disk:
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Open admin cmd
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cd "\Program Files\Oracle\VirtualBox"
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VBoxManage.exe convertfromraw "C:\Users\05wse01\Desktop\OST OS\target" "C:\Users\05wse01\Desktop\OST OS\output.vdi" --format VDI
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NOTE: Target has to be larger than 1mb (check file size in explorer)
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AND: The file has to be a multiply of 512
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AND: You need to set the the file as an available virtual disk in the VirtualBox interface (how?.. IDK)
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Qemu emulator:
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cd "C:\Program Files\qemu"
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qemu-system-x86_64w.exe "C:\Users\05wse01\Desktop\OST OS\boot_sect.bin"
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Compile C:
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gcc -ffreestanding -c basic.c -o basic.o
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ld -o basic.bin -Ttext 0x0 --oformat binary basic.o
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ndisasm -b 32 basic.bin > basic.dis
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Clean out rows with:
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0000 add [eax],al
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