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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13BE8C54E4A for ; Tue, 12 May 2020 11:43:06 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BC95520674 for ; Tue, 12 May 2020 11:43:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC95520674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=popple.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49Lwsg4D8SzDqsm for ; Tue, 12 May 2020 21:43:03 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49LwlB568mzDqcL for ; Tue, 12 May 2020 21:37:26 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=popple.id.au Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 49LwlB39RSz9sT3; Tue, 12 May 2020 21:37:26 +1000 (AEST) From: Alistair Popple To: mpe@ellerman.id.au Subject: [PATCH 2/4] powerpc: Add base support for ISA v3.1 Date: Tue, 12 May 2020 21:36:12 +1000 Message-Id: <20200512113614.28169-3-alistair@popple.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200512113614.28169-1-alistair@popple.id.au> References: <20200512113614.28169-1-alistair@popple.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: mikey@neuling.org, aneesh.kumar@linux.ibm.com, clg@kaod.org, Alistair Popple , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Newer ISA versions are enabled by clearing all bits in the PCR associated with previous versions of the ISA. Enable ISA v3.1 support by updating the PCR mask to include ISA v3.0. This ensures all PCR bits corresponding to earlier architecture versions get cleared thereby enabling ISA v3.1. Signed-off-by: Alistair Popple --- arch/powerpc/include/asm/cputable.h | 1 + arch/powerpc/include/asm/reg.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 40a4d3c6fd99..36f894dea9e7 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -213,6 +213,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000) #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000) #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000) +#define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000) #ifndef __ASSEMBLY__ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index da5cab038e25..27227cc14a01 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -482,10 +482,11 @@ * determine both the compatibility level which we want to emulate and the * compatibility level which the host is capable of emulating. */ +#define PCR_ARCH_300 0x10 /* Architecture 3.00 */ #define PCR_ARCH_207 0x8 /* Architecture 2.07 */ #define PCR_ARCH_206 0x4 /* Architecture 2.06 */ #define PCR_ARCH_205 0x2 /* Architecture 2.05 */ -#define PCR_LOW_BITS (PCR_ARCH_207 | PCR_ARCH_206 | PCR_ARCH_205) +#define PCR_LOW_BITS (PCR_ARCH_207 | PCR_ARCH_206 | PCR_ARCH_205 | PCR_ARCH_300) #define PCR_MASK ~(PCR_HIGH_BITS | PCR_LOW_BITS) /* PCR Reserved Bits */ #define SPRN_HEIR 0x153 /* Hypervisor Emulated Instruction Register */ #define SPRN_TLBINDEXR 0x154 /* P7 TLB control register */ -- 2.20.1