From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98E3EC433EF for ; Wed, 29 Sep 2021 11:20:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CFAD61407 for ; Wed, 29 Sep 2021 11:20:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245596AbhI2LVs (ORCPT ); Wed, 29 Sep 2021 07:21:48 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:8566 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S245310AbhI2LVs (ORCPT ); Wed, 29 Sep 2021 07:21:48 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18TBC05S026006; Wed, 29 Sep 2021 07:19:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=fRx+cPAzd1elS+3LrvPTO2hLFtxNWpauw5tViMZm3h0=; b=qttYdHV7+hDVVI9/CIDFw5Myz2flSFZD3wKbxQaafF8hyZrmDvNTN5bRLIT2DQLhHbSx B5RUYE97S7CyxAceNX1YMjX0A2G+M3HCDOWZqDn801zGcLsmaaE97ZnoW1me6va1VM5/ 67MfNeDYYg+yfcQeyZQR04+opfAXGcC4/HrGkzcR+oqPW8CceLqYXnkjHBKKQOYF1xn1 ezepm3xqR2kmdgmJCKfgO2TjLPySN6Tz9FID2JBDxB0u5+xsYSrn2ImWfjjap/mTbiiZ 9gw+XeXJhy83i1A+xQDKZX1P3qpBEJDZhtn2Gn3zrv3kC12QktJuprfZ4qD8bUyQ9eFV qw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3bcq2b84rp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Sep 2021 07:19:32 -0400 Received: from m0098413.ppops.net (m0098413.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 18TBDWki029002; Wed, 29 Sep 2021 07:19:32 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0b-001b2d01.pphosted.com with ESMTP id 3bcq2b84r7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Sep 2021 07:19:32 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 18TBBxIx019039; Wed, 29 Sep 2021 11:19:30 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma03ams.nl.ibm.com with ESMTP id 3b9uda74ne-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Sep 2021 11:19:30 +0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 18TBJQ1946006740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Sep 2021 11:19:26 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9C48F42077; Wed, 29 Sep 2021 11:19:26 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8879142074; Wed, 29 Sep 2021 11:19:21 +0000 (GMT) Received: from hbathini-workstation.ibm.com.com (unknown [9.43.83.199]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 29 Sep 2021 11:19:21 +0000 (GMT) From: Hari Bathini To: naveen.n.rao@linux.ibm.com, christophe.leroy@csgroup.eu, mpe@ellerman.id.au, ast@kernel.org, daniel@iogearbox.net Cc: paulus@samba.org, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Hari Bathini Subject: [PATCH v4 4/8] powerpc/ppc-opcode: introduce PPC_RAW_BRANCH() macro Date: Wed, 29 Sep 2021 16:48:51 +0530 Message-Id: <20210929111855.50254-5-hbathini@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210929111855.50254-1-hbathini@linux.ibm.com> References: <20210929111855.50254-1-hbathini@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Z0ICVfDN9YAe98LH-3DPJiLXkmin7JoX X-Proofpoint-ORIG-GUID: rdpQPQt2je3ZCfT-NR9owd9pSA46FCVY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-29_04,2021-09-29_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 bulkscore=0 spamscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2109290068 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Define and use PPC_RAW_BRANCH() macro instead of open coding it. This macro is used while adding BPF_PROBE_MEM support. Signed-off-by: Hari Bathini Reviewed-by: Christophe Leroy --- * No changes in v4. arch/powerpc/include/asm/ppc-opcode.h | 2 ++ arch/powerpc/net/bpf_jit.h | 4 ++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index baea657bc868..f50213e2a3e0 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -566,6 +566,8 @@ #define PPC_RAW_MTSPR(spr, d) (0x7c0003a6 | ___PPC_RS(d) | __PPC_SPR(spr)) #define PPC_RAW_EIEIO() (0x7c0006ac) +#define PPC_RAW_BRANCH(addr) (PPC_INST_BRANCH | ((addr) & 0x03fffffc)) + /* Deal with instructions that older assemblers aren't aware of */ #define PPC_BCCTR_FLUSH stringify_in_c(.long PPC_INST_BCCTR_FLUSH) #define PPC_CP_ABORT stringify_in_c(.long PPC_RAW_CP_ABORT) diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index 411c63d945c7..0c8f885b8f48 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -24,8 +24,8 @@ #define EMIT(instr) PLANT_INSTR(image, ctx->idx, instr) /* Long jump; (unconditional 'branch') */ -#define PPC_JMP(dest) EMIT(PPC_INST_BRANCH | \ - (((dest) - (ctx->idx * 4)) & 0x03fffffc)) +#define PPC_JMP(dest) EMIT(PPC_RAW_BRANCH((dest) - (ctx->idx * 4))) + /* blr; (unconditional 'branch' with link) to absolute address */ #define PPC_BL_ABS(dest) EMIT(PPC_INST_BL | \ (((dest) - (unsigned long)(image + ctx->idx)) & 0x03fffffc)) -- 2.31.1