| Page table setup | Code |
|---|---|
physical pa1;
x |-> invalid;
x ?-> pa1;
y |-> pa1;
|
|
| Thread 0 | |
{R0=desc3(y, page_table_base), R1=pte3(x, page_table_base), R3=pte3(x, page_table_base), VBAR_EL1=extz(0x1000, 64), PSTATE.SP=0b0}
|
|
STR X0,[X1]
LDR X2,[X3]
|
|
| Final State | |
0:X2 = 0 |
|
| ETS | CoWR.inv forbidden (0 of 1) 1104ms |
| strong | CoWR.inv forbidden (0 of 1) 825ms |
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/CoWR.inv.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=.