| Page table setup | Code |
|---|---|
physical pa1 pa2 pa3;
w |-> pa1;
x |-> pa1;
y |-> pa2;
z |-> pa3;
*pa1 = 0;
*pa2 = 0;
*pa3 = 0;
|
|
| Thread 0 | |
{R0=extz(0b1, 64), R1=z, R2=extz(0b1, 64), R3=y, PSTATE.SP=0b0, PSTATE.EL=0b00}
|
|
STR X0,[X1]
DMB SY
STR X2,[X3]
|
|
| Thread 1 | |
{R1=y, R4=w, R6=x, R9=z, PSTATE.SP=0b0, PSTATE.EL=0b00}
|
|
LDR X0,[X1]
EOR X2,X0,X0
LDR X3,[X4,X2]
LDR X5,[X6]
EOR X7,X5,X5
LDR X8,[X9,X7]
|
|
| Thread 2 | |
{R0=extz(0b1, 64), R1=x}
|
|
STR X0,[X1]
|
|
| Final State | |
1:X0=1 & 1:X3=0 & 1:X5=1 & 1:X8=0 |
|
| ETS | RDW.alias forbidden (0 of 1) 3317ms |
| strong | RDW.alias forbidden (0 of 1) 2972ms |
isla-axiomatic
--arch=/path/to/rems-project/isla-snapshots/aarch64.ir
--config=/path/to/rems-project/isla/configs/aarch64_mmu_on.toml
--footprint-config=/path/to/rems-project/isla/configs/aarch64.toml
--model=/path/to/rems-project/systems-isla-tests/models/aarch64_mmu_strong_ETS.cat
--armv8-page-tables
--check-sat-using "(then dt2bv qe simplify solve-eqs bv)"
--remove-uninteresting safe
--dot .
-t /path/to/litmus-tests/litmus-tests-armv8a-system-vmsa/tests/pgtable/HAND/RDW.alias.litmus.toml
To generate diagrams we use model aarch64_mmu_no_axioms.cat to get diagrams of forbidden executions.
To generate LaTeX sources of each test, pass --latex=.