Docker image to be used with the book

.gitignore

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+build/

Dockerfile

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+FROM rustlang/rust:nightly
+# add intermezzOS deps
+ENV DEBIAN_FRONTEND noninteractive 
+RUN apt-get update && apt-get install -y \
+    nasm \ 
+    xorriso \ 
+    qemu \ 
+    build-essential \
+    grub-pc-bin && apt-get clean \
+    && cargo install xargo \
+    && rustup component add rust-src

README.md

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+# Usage
+
+To build a new image - `docker-compose build`
+
+To test against the intermezzOS chapter 3 - `docker-compose run test`

docker-compose.yml

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+# docker-compose.yml
+test: 
+    build: . 
+    command: make
+    volumes: 
+        - ./test:/src 
+    working_dir: /src

test/Makefile

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+default: run
+
+.PHONY: default build run clean
+
+build/multiboot_header.o: multiboot_header.asm
+	mkdir -p build
+	nasm -f elf64 multiboot_header.asm -o build/multiboot_header.o
+
+build/boot.o: boot.asm
+	mkdir -p build
+	nasm -f elf64 boot.asm -o build/boot.o
+
+build/kernel.bin: build/multiboot_header.o build/boot.o linker.ld
+	ld -n -o build/kernel.bin -T linker.ld build/multiboot_header.o build/boot.o
+
+build/os.iso: build/kernel.bin grub.cfg
+	mkdir -p build/isofiles/boot/grub
+	cp grub.cfg build/isofiles/boot/grub
+	cp build/kernel.bin build/isofiles/boot/
+	grub-mkrescue -o build/os.iso build/isofiles
+
+run: build/os.iso
+	qemu-system-x86_64 -curses -net none -cdrom build/os.iso
+
+build: build/os.iso
+
+clean:
+	rm -rf build

test/boot.asm

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+global start
+
+section .text
+bits 32
+start:
+    mov word [0xb8000], 0x0248 ; H
+    mov word [0xb8002], 0x0265 ; e
+    mov word [0xb8004], 0x026c ; l
+    mov word [0xb8006], 0x026c ; l
+    mov word [0xb8008], 0x026f ; o
+    mov word [0xb800a], 0x022c ; ,
+    mov word [0xb800c], 0x0220 ;
+    mov word [0xb800e], 0x0277 ; w
+    mov word [0xb8010], 0x026f ; o
+    mov word [0xb8012], 0x0272 ; r
+    mov word [0xb8014], 0x026c ; l
+    mov word [0xb8016], 0x0264 ; d
+    mov word [0xb8018], 0x0221 ; !
+    hlt

test/grub.cfg

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+set timeout=0
+set default=0
+
+menuentry "intermezzOS" {
+    multiboot2 /boot/kernel.bin
+    boot
+}

test/linker.ld

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+ENTRY(start)
+
+SECTIONS {
+    . = 1M;
+
+    .boot :
+    {
+        /* ensure that the multiboot header is at the beginning */
+        *(.multiboot_header)
+    }
+
+    .text :
+    {
+        *(.text)
+    }
+}

test/multiboot_header.asm

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+section .multiboot_header
+header_start:
+    dd 0xe85250d6                ; magic number
+    dd 0                         ; protected mode code
+    dd header_end - header_start ; header length
+
+    ; checksum
+    dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start))
+
+    ; required end tag
+    dw 0    ; type
+    dw 0    ; flags
+    dd 8    ; size
+header_end: