diff options
Diffstat (limited to 'tests/tcg/s390x/exrl-ssm-early.S')
| -rw-r--r-- | tests/tcg/s390x/exrl-ssm-early.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/tcg/s390x/exrl-ssm-early.S b/tests/tcg/s390x/exrl-ssm-early.S new file mode 100644 index 0000000000..68fbd87b3a --- /dev/null +++ b/tests/tcg/s390x/exrl-ssm-early.S @@ -0,0 +1,43 @@ +/* + * Test early exception recognition using EXRL + SSM. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .org 0x8d +ilc: + .org 0x8e +program_interruption_code: + .org 0x150 +program_old_psw: + .org 0x1D0 /* program new PSW */ + .quad 0,pgm + .org 0x200 /* lowcore padding */ + + .globl _start +_start: + exrl %r0,ssm +expected_pswa: + j failure +ssm: + ssm ssm_op + +pgm: + chhsi program_interruption_code,0x6 /* specification exception? */ + jne failure + cli ilc,6 /* ilc for EXRL? */ + jne failure + clc program_old_psw(16),expected_old_psw /* correct old PSW? */ + jne failure + lpswe success_psw +failure: + lpswe failure_psw + +ssm_op: + .byte 0x08 /* bit 4 set */ + .align 8 +expected_old_psw: + .quad 0x0800000180000000,expected_pswa /* bit 2 set */ +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000000000000,0 /* disabled wait */ |