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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1760637706320154100 Content-Type: text/plain; charset="utf-8" Add a small test to prevent regressions. Cc: qemu-stable@nongnu.org Reviewed-by: Thomas Huth Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.softmmu-target | 1 + tests/tcg/s390x/sckc.S | 63 +++++++++++++++++++++++++ 2 files changed, 64 insertions(+) create mode 100644 tests/tcg/s390x/sckc.S diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Make= file.softmmu-target index 8cd4667c63b..a4425d3184a 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -28,6 +28,7 @@ ASM_TESTS =3D = \ mc = \ per = \ precise-smc-softmmu = \ + sckc = \ ssm-early = \ stosm-early = \ stpq = \ diff --git a/tests/tcg/s390x/sckc.S b/tests/tcg/s390x/sckc.S new file mode 100644 index 00000000000..ecd64a3059e --- /dev/null +++ b/tests/tcg/s390x/sckc.S @@ -0,0 +1,63 @@ +/* + * Test clock comparator. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .org 0x130 +ext_old_psw: + .org 0x1b0 +ext_new_psw: + .quad 0x180000000, _ext /* 64-bit mode */ + .org 0x1d0 +pgm_new_psw: + .quad 0x2000000000000,0 /* disabled wait */ + .org 0x200 /* lowcore padding */ + + .globl _start +_start: + lpswe start31_psw +_start31: + stctg %c0,%c0,c0 + oi c0+6,8 /* set clock-comparator subclass ma= sk */ + lctlg %c0,%c0,c0 + +0: + brasl %r14,_f /* %r14's most significant bit is 1= */ + jg 0b +_f: + br %r14 /* it must not end up in ext_old_ps= w */ + +_ext: + stg %r0,ext_saved_r0 + + lg %r0,ext_counter + aghi %r0,1 + stg %r0,ext_counter + + cgfi %r0,0x1000 + jnz 0f + lpswe success_psw +0: + + stck clock + lg %r0,clock + agfi %r0,0x40000 /* 64us * 0x1000 =3D~ 0.25s */ + stg %r0,clock + sckc clock + + lg %r0,ext_saved_r0 + lpswe ext_old_psw + + .align 8 +start31_psw: + .quad 0x100000080000000,_start31 /* EX, 31-bit mode */ +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +c0: + .skip 8 +clock: + .quad 0 +ext_counter: + .quad 0 +ext_saved_r0: + .skip 8 --=20 2.51.0