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authorDavid Hildenbrand <david@redhat.com>2019-09-03 15:09:23 +0200
committerDavid Hildenbrand <david@redhat.com>2019-09-23 09:28:29 +0200
commitbf349f1a0daf86481ad62df405f84ad70eaa7e68 (patch)
tree89dc8268d10ffa8f14b2cc6708427a605aa0e209 /target/s390x/mem_helper.c
parentb7dd1f7fd4568326027e8fdf6dcca656e1ce95b9 (diff)
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s390x/tcg: MVPG: Check for specification exceptions
Perform the checks documented in the PoP. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target/s390x/mem_helper.c')
-rw-r--r--target/s390x/mem_helper.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index c31cf49..7dfa848 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());