diff options
Diffstat (limited to 'tests/tcg/s390x/lpsw.S')
| -rw-r--r-- | tests/tcg/s390x/lpsw.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/tcg/s390x/lpsw.S b/tests/tcg/s390x/lpsw.S new file mode 100644 index 0000000000..b37dec59b7 --- /dev/null +++ b/tests/tcg/s390x/lpsw.S @@ -0,0 +1,36 @@ +/* + * Test the LPSW instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .org 0x140 +svc_old_psw: + .org 0x1c0 /* supervisor call new PSW */ + .quad 0x80000000,svc /* 31-bit mode */ + .org 0x200 /* lowcore padding */ + + .globl _start +_start: + lpsw short_psw +lpsw_target: + svc 0 +expected_pswa: + j failure + +svc: + clc svc_old_psw(16),expected_psw /* correct full PSW? */ + jne failure + lpswe success_psw +failure: + lpswe failure_psw + + .align 8 +short_psw: + .long 0x90001,0x80000000+lpsw_target /* problem state, + 64-bit mode */ +expected_psw: + .quad 0x1000180000000,expected_pswa /* corresponds to short_psw */ +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000000000000,0 /* disabled wait */ |