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README.md
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@ -4,7 +4,7 @@ Writing a "bare metal" operating system for Raspberry Pi 4
Introduction Introduction
------------ ------------
As a tech CEO, I don't write code any more. And I've recently realised just how much I miss it. As a tech CEO @RealVNC, I don't write code any more. And I've recently realised just how much I miss it.
Currently in the throes of a nationwide "lockdown" due to Covid-19 (and having been spared my usual commute), I've found myself with more hours in the day. I have taken this time for myself and used it to fulfil a childhood ambition - to write a **bare metal** operating system that runs on commercial hardware. Currently in the throes of a nationwide "lockdown" due to Covid-19 (and having been spared my usual commute), I've found myself with more hours in the day. I have taken this time for myself and used it to fulfil a childhood ambition - to write a **bare metal** operating system that runs on commercial hardware.

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part11-breakout-smp/Makefile.gcc
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@ -1,8 +1,9 @@
CFILES = $(wildcard *.c lib/*.c) CFILES = $(wildcard *.c lib/*.c)
OFILES = $(CFILES:.c=.o) OFILES = $(CFILES:.c=.o)
GCCFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles GCCFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib
GCCPATH = ../../gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf/bin GCCPATH = ../../gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf/bin
all: clean kernel8.img all: clean kernel8.img
boot/boot.o: boot/boot.S boot/boot.o: boot/boot.S