tests/tcg/s390x: Test ICM
Add a small test to prevent regressions.
Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-12-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target
index 062d8e3..58684d7 100644
--- a/tests/tcg/s390x/Makefile.softmmu-target
+++ b/tests/tcg/s390x/Makefile.softmmu-target
@@ -19,6 +19,7 @@
cksm \
clm \
exrl-ssm-early \
+ icm \
sam \
lpsw \
lpswe-early \
diff --git a/tests/tcg/s390x/icm.S b/tests/tcg/s390x/icm.S
new file mode 100644
index 0000000..d24d1f5
--- /dev/null
+++ b/tests/tcg/s390x/icm.S
@@ -0,0 +1,32 @@
+ .org 0x8e
+program_interruption_code:
+ .org 0x1d0 /* program new PSW */
+ .quad 0,pgm
+ .org 0x200 /* lowcore padding */
+ .globl _start
+_start:
+ lgrl %r0,op1
+ icm %r0,10,op2
+ cg %r0,exp
+ jne failure
+ lgrl %r1,bad_addr
+ icm %r0,0,0(%r1)
+failure:
+ lpswe failure_psw
+pgm:
+ chhsi program_interruption_code,5 /* addressing exception? */
+ jne failure
+ lpswe success_psw
+ .align 8
+op1:
+ .quad 0x1234567887654321
+op2:
+ .quad 0x0011223344556677
+exp:
+ .quad 0x1234567800651121
+bad_addr:
+ .quad 0xffffffff00000000
+success_psw:
+ .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
+failure_psw:
+ .quad 0x2000000000000,0 /* disabled wait */