diff --git a/mach/pmds4/libsys/gtty.s b/mach/pmds4/libsys/gtty.s
new file mode 100644
index 000000000..1cd8c8b10
--- /dev/null
+++ b/mach/pmds4/libsys/gtty.s
@@ -0,0 +1,17 @@
+.define _gtty
+.extern _gtty
+.sect .text
+.sect .rom
+.sect .data
+.sect .bss
+.sect .text
+_gtty:
+tst.b -40(sp)
+link	a6,#-0
+move.l 12(a6),-(sp)
+move.l #0x7408,-(sp)
+move.l 8(a6),-(sp)
+jsr _ioctl
+add.l #12,sp
+unlk a6
+rts
diff --git a/mach/pmds4/libsys/stty.s b/mach/pmds4/libsys/stty.s
new file mode 100644
index 000000000..d53abe17b
--- /dev/null
+++ b/mach/pmds4/libsys/stty.s
@@ -0,0 +1,17 @@
+.define _stty
+.extern _stty
+.sect .text
+.sect .rom
+.sect .data
+.sect .bss
+.sect .text
+_stty:
+tst.b -40(sp)
+link	a6,#-0
+move.l 12(a6),-(sp)
+move.l #0x7409,-(sp)
+move.l 8(a6),-(sp)
+jsr _ioctl
+add.l #12,sp
+unlk a6
+rts