From patchwork Mon Sep 4 09:06:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13373627 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7B53CC83F33 for ; Mon, 4 Sep 2023 09:10:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qd5Y2-0001cz-IJ; Mon, 04 Sep 2023 05:07:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qd5Y0-0001Wi-1v; Mon, 04 Sep 2023 05:07:04 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qd5Xu-0003da-Uq; Mon, 04 Sep 2023 05:07:03 -0400 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4RfN756nGHz4x09; Mon, 4 Sep 2023 19:06:57 +1000 (AEST) 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 X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4RfN740tBZz4wxW; Mon, 4 Sep 2023 19:06:55 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Nicholas Piggin , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PULL 08/35] spapr: implement H_SET_MODE debug facilities Date: Mon, 4 Sep 2023 11:06:03 +0200 Message-ID: <20230904090630.725952-9-clg@kaod.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230904090630.725952-1-clg@kaod.org> References: <20230904090630.725952-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=kZzc=EU=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Nicholas Piggin Wire up the H_SET_MODE debug resources to the CIABR and DAWR0 debug facilities in TCG. Signed-off-by: Nicholas Piggin Signed-off-by: Cédric Le Goater --- hw/ppc/spapr_hcall.c | 57 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 9b1f225d4a5d..b7dc388f2fc9 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -3,6 +3,7 @@ #include "qapi/error.h" #include "sysemu/hw_accel.h" #include "sysemu/runstate.h" +#include "sysemu/tcg.h" #include "qemu/log.h" #include "qemu/main-loop.h" #include "qemu/module.h" @@ -789,6 +790,54 @@ static target_ulong h_logical_dcbf(PowerPCCPU *cpu, SpaprMachineState *spapr, return H_SUCCESS; } +static target_ulong h_set_mode_resource_set_ciabr(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong mflags, + target_ulong value1, + target_ulong value2) +{ + CPUPPCState *env = &cpu->env; + + assert(tcg_enabled()); /* KVM will have handled this */ + + if (mflags) { + return H_UNSUPPORTED_FLAG; + } + if (value2) { + return H_P4; + } + if ((value1 & PPC_BITMASK(62, 63)) == 0x3) { + return H_P3; + } + + ppc_store_ciabr(env, value1); + + return H_SUCCESS; +} + +static target_ulong h_set_mode_resource_set_dawr0(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong mflags, + target_ulong value1, + target_ulong value2) +{ + CPUPPCState *env = &cpu->env; + + assert(tcg_enabled()); /* KVM will have handled this */ + + if (mflags) { + return H_UNSUPPORTED_FLAG; + } + if (value2 & PPC_BIT(61)) { + return H_P4; + } + + ppc_store_dawr0(env, value1); + ppc_store_dawrx0(env, value2); + + return H_SUCCESS; +} + static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong mflags, @@ -858,6 +907,14 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong ret = H_P2; switch (resource) { + case H_SET_MODE_RESOURCE_SET_CIABR: + ret = h_set_mode_resource_set_ciabr(cpu, spapr, args[0], args[2], + args[3]); + break; + case H_SET_MODE_RESOURCE_SET_DAWR0: + ret = h_set_mode_resource_set_dawr0(cpu, spapr, args[0], args[2], + args[3]); + break; case H_SET_MODE_RESOURCE_LE: ret = h_set_mode_resource_le(cpu, spapr, args[0], args[2], args[3]); break;