Initial commit

6 files changed, 43 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1978fd3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+bzImage
+initramfs*
+*.elf
+root/*
diff --git a/init/Makefile b/init/Makefile
new file mode 100644
index 0000000..53a64ea
--- /dev/null
+++ b/init/Makefile
@@ -0,0 +1,17 @@
+CC = gcc
+CFLAGS =
+LDFLAGS = --static
+OUTPUT = init.elf
+
+SRC = init.c
+
+build: init.o
+	$(CC) $(CFLAGS) $(SRC) $(LDFLAGS) -o $(OUTPUT)
+
+.PHONY: copy clean
+
+clean:
+	rm -df $(OUTPUT)
+
+copy:
+	objcopy -O binary $(OUTPUT) ../root/init
diff --git a/init/init.c b/init/init.c
new file mode 100644
index 0000000..00836b5
--- /dev/null
+++ b/init/init.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char* argv[])
+{
+	printf("I'm a kernel!\r\n");
+
+	while(1)
+	{
+		printf("Still running!\r\n");
+		sleep(1);
+	}
+}
diff --git a/init/init.o b/init/init.o
new file mode 100644
index 0000000..6a8fc22
--- /dev/null
+++ b/init/init.o
diff --git a/packroot.sh b/packroot.sh
new file mode 100755
index 0000000..b9a6572
--- /dev/null
+++ b/packroot.sh
@@ -0,0 +1,5 @@
+#!/bin/bash	
+
+cd root
+find . -print -depth | cpio -ov -H newc > ../initramfs.cpio.gz
+
diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..f26c99b
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+screen qemu-system-x86_64 -nographic -no-reboot -kernel bzImage -initrd initramfs.cpio.gz -m 256M -append "console=ttyS0 panic=1"
+