diff options
| author | Thomas Huth <thuth@redhat.com> | 2017-05-18 19:26:40 +0200 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-06-06 14:34:31 -0700 |
| commit | f79f1ca4a20d4070179903bbaafc13f5f90b7873 (patch) | |
| tree | 5921a73bc3333cde97f964bda0daab4999789405 /target/s390x/insn-data.def | |
| parent | 65dfad62a176f5265f801683be64149c5ad55f7d (diff) | |
target/s390x: Add support for the TEST BLOCK instruction
TEST BLOCK was likely once used to execute basic memory
tests, but nowadays it's just a (slow) way to clear a page.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1495128400-23759-1-git-send-email-thuth@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/s390x/insn-data.def')
| -rw-r--r-- | target/s390x/insn-data.def | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 55a7c529b4..cac0f51ac6 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -918,6 +918,8 @@ /* STORE USING REAL ADDRESS */ C(0xb246, STURA, RRE, Z, r1_o, r2_o, 0, 0, stura, 0) C(0xb925, STURG, RRE, Z, r1_o, r2_o, 0, 0, sturg, 0) +/* TEST BLOCK */ + C(0xb22c, TB, RRE, Z, 0, r2_o, 0, 0, testblock, 0) /* TEST PROTECTION */ C(0xe501, TPROT, SSE, Z, la1, a2, 0, 0, tprot, 0) |