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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 11 Mar 2020 10:24:58 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 02BAOu9Q57934034 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 11 Mar 2020 10:24:56 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BD56952059; Wed, 11 Mar 2020 10:24:56 +0000 (GMT) Received: from localhost.in.ibm.com (unknown [9.124.35.150]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 3825D52054; Wed, 11 Mar 2020 10:24:55 +0000 (GMT) From: Balamuruhan S To: mpe@ellerman.id.au Subject: [PATCH v2] powerpc test_emulate_step: fix DS operand in ld encoding to appropriate value Date: Wed, 11 Mar 2020 15:54:05 +0530 X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 20031110-0012-0000-0000-0000038F5656 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031110-0013-0000-0000-000021CC2469 Message-Id: <20200311102405.392263-1-bala24@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-11_02:2020-03-11, 2020-03-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxlogscore=399 malwarescore=0 bulkscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 suspectscore=1 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003110066 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ravi.bangoria@linux.ibm.com, jniethe5@gmail.com, Balamuruhan S , paulus@samba.org, sandipan@linux.ibm.com, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" ld instruction should have 14 bit immediate field (DS) concatenated with 0b00 on the right, encode it accordingly. Introduce macro `IMM_DS()` to encode DS form instructions with 14 bit immediate field. Fixes: 4ceae137bdab ("powerpc: emulate_step() tests for load/store instructions") Reviewed-by: Sandipan Das Signed-off-by: Balamuruhan S --- arch/powerpc/lib/test_emulate_step.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- changes in v2: ------------- * squash the commits as per Christophe's review comment diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c index 42347067739c..007292a1ad01 100644 --- a/arch/powerpc/lib/test_emulate_step.c +++ b/arch/powerpc/lib/test_emulate_step.c @@ -13,19 +13,20 @@ #include #define IMM_L(i) ((uintptr_t)(i) & 0xffff) +#define IMM_DS(i) ((uintptr_t)(i) & 0xfffc) /* * Defined with TEST_ prefix so it does not conflict with other * definitions. */ #define TEST_LD(r, base, i) (PPC_INST_LD | ___PPC_RT(r) | \ - ___PPC_RA(base) | IMM_L(i)) + ___PPC_RA(base) | IMM_DS(i)) #define TEST_LWZ(r, base, i) (PPC_INST_LWZ | ___PPC_RT(r) | \ ___PPC_RA(base) | IMM_L(i)) #define TEST_LWZX(t, a, b) (PPC_INST_LWZX | ___PPC_RT(t) | \ ___PPC_RA(a) | ___PPC_RB(b)) #define TEST_STD(r, base, i) (PPC_INST_STD | ___PPC_RS(r) | \ - ___PPC_RA(base) | ((i) & 0xfffc)) + ___PPC_RA(base) | IMM_DS(i)) #define TEST_LDARX(t, a, b, eh) (PPC_INST_LDARX | ___PPC_RT(t) | \ ___PPC_RA(a) | ___PPC_RB(b) | \ __PPC_EH(eh)) base-commit: 5aa19adac1f3152a5fd3b865a1ab46bb845d3696 -- 2.24.1