Perform the checks documented in the PoP.
Reviewed-by: Richard Henderson <[email protected]>
Signed-off-by: David Hildenbrand <[email protected]>
---
target/s390x/mem_helper.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index c31cf49593..7dfa848744 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -672,6 +672,13 @@ uint64_t HELPER(clst)(CPUS390XState *env, uint64_t c,
uint64_t s1, uint64_t s2)
/* move page */
uint32_t HELPER(mvpg)(CPUS390XState *env, uint64_t r0, uint64_t r1, uint64_t
r2)
{
+ const bool f = extract64(r0, 11, 1);
+ const bool s = extract64(r0, 10, 1);
+
+ if ((f && s) || extract64(r0, 12, 4)) {
+ s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, GETPC());
+ }
+
/* ??? missing r0 handling, which includes access keys, but more
importantly optional suppression of the exception! */
fast_memmove(env, r1, r2, TARGET_PAGE_SIZE, GETPC());
--
2.21.0
