syscall.s

.type fork, %function
.global fork
fork:
	push	{r7}
	mov	r7, #0x1
	svc	0
	bx	lr
.type getpid, %function
.global getpid
getpid:
	push	{r7}
	mov	r7, #0x2
	svc	0
	bx	lr
.type write, %function
.global write
write:
	push	{r7}
	mov	r7, #0x3
	svc	0
	bx	lr
.type read, %function
.global read
read:
	push	{r7}
	mov	r7, #0x4
	svc	0
	bx	lr
.type interrupt_wait, %function
.global interrupt_wait
interrupt_wait:
	push	{r7}
	mov	r7, #0x5
	svc	0
	bx	lr