Repo init

hello/Makefile

@@ -0,0 +1,10 @@
+all: hello
+
+hello: hello.o
+	ld hello.o -o hello
+
+hello.o: hello.s
+	as hello.s -o hello.o
+
+clean:
+	rm hello.o hello

hello/hello.s

@@ -0,0 +1,21 @@
+SYSEXIT = 1
+SYSWRITE = 4
+STDOUT = 1
+
+.global _start
+
+.data
+str: .ascii "Hello world!\n"
+str_len = . - str
+
+.text
+_start:
+mov r7, #SYSWRITE
+mov r0, #STDOUT
+ldr r1, =str
+mov r2, #str_len
+swi 0x0
+
+mov r7, #SYSEXIT
+mov r0, #0
+swi 0x0