From eacfe7cbbd990cb9cf9978f0aedc308c2ab0ffd6 Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Mon, 24 Jul 2023 10:16:05 +0200 Subject: [PATCH] tests/tcg/s390x: Test MC Add a small test to prevent regressions. Tested-by: Thomas Huth Signed-off-by: Ilya Leoshkevich Message-Id: <20230724082032.66864-13-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/Makefile.softmmu-target | 1 + tests/tcg/s390x/mc.S | 56 +++++++++++++++++++++++++ 2 files changed, 57 insertions(+) create mode 100644 tests/tcg/s390x/mc.S diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target index 58684d7da7..145e0bfde1 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -24,6 +24,7 @@ ASM_TESTS = \ lpsw \ lpswe-early \ lra \ + mc \ ssm-early \ stosm-early \ unaligned-lowcore diff --git a/tests/tcg/s390x/mc.S b/tests/tcg/s390x/mc.S new file mode 100644 index 0000000000..e7466bb4b5 --- /dev/null +++ b/tests/tcg/s390x/mc.S @@ -0,0 +1,56 @@ + .org 0x8d +ilc: + .org 0x8e +program_interruption_code: + .org 0x94 +monitor_class: + .org 0xb0 +monitor_code: + .org 0x150 +program_old_psw: + .org 0x1d0 /* program new PSW */ + .quad 0x180000000,pgm /* 64-bit mode */ + .org 0x200 /* lowcore padding */ + .globl _start +_start: + stctg %c8,%c8,c8 /* enable only monitor class 1 */ + mvhhi c8+6,0x4000 + lctlg %c8,%c8,c8 +mc_nop: + mc 123,0 +mc_monitor_event: + mc 321,1 + j failure +mc_specification: + mc 333,16 + j failure +pgm: + lgrl %r0,program_old_psw+8 /* ilc adjustment */ + llgc %r1,ilc + sgr %r0,%r1 + larl %r1,mc_monitor_event /* dispatch based on old PSW */ + cgrje %r0,%r1,pgm_monitor_event + larl %r1,mc_specification + cgrje %r0,%r1,pgm_specification + j failure +pgm_monitor_event: + chhsi program_interruption_code,0x40 /* monitor event? */ + jne failure + chhsi monitor_class,1 /* class from mc_monitor_event? */ + jne failure + cghsi monitor_code,321 /* code from mc_monitor_event? */ + jne failure + j mc_specification /* next test */ +pgm_specification: + chhsi program_interruption_code,6 /* specification exception? */ + jne failure + lpswe success_psw +failure: + lpswe failure_psw + .align 8 +c8: + .quad 0 +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000000000000,0 /* disabled wait */