Run WRC+po+dsb in model, using armmem
ARM WRC+po+dsb "Rfe PodRW Rfe DSBdRR Fre" Cycle=Rfe PodRW Rfe DSBdRR Fre { %x0=x; %x1=x; %y1=y; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV R0, #1 | LDR R0, [%x1] | LDR R0, [%y2] ; STR R0, [%x0] | MOV R1, #1 | DSB ; | STR R1, [%y1] | LDR R1, [%x2] ; exists (1:R0=1 /\ 2:R0=1 /\ 2:R1=0)