From patchwork Sun Jun 11 22:42:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793686 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVGl1YKxz20X6 for ; Mon, 12 Jun 2023 08:43:43 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlh-0000ES-Mn; Sun, 11 Jun 2023 18:42:41 -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 1q8Tlf-0000DJ-FX; Sun, 11 Jun 2023 18:42:39 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tld-0004g5-LC; Sun, 11 Jun 2023 18:42:39 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 4468F748A66; Mon, 12 Jun 2023 00:42:31 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 27A30748A64; Mon, 12 Jun 2023 00:42:31 +0200 (CEST) Message-Id: <0e526b0cdfc31655fd1d3c3f2d6ea75bcafb8f3c.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 01/10] target/ppc: Remove some superfluous parentheses MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:31 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: BALATON Zoltan Acked-by: Nicholas Piggin --- target/ppc/excp_helper.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 12d8a7257b..8298217e78 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -1009,7 +1009,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) { int lev = env->error_code; - if ((lev == 1) && cpu->vhyp) { + if (lev == 1 && cpu->vhyp) { dump_hcall(env); } else { dump_syscall(env); @@ -1027,7 +1027,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) * uses VOF and the 74xx CPUs, so although the 74xx don't have * HV mode, we need to keep hypercall support. */ - if ((lev == 1) && cpu->vhyp) { + if (lev == 1 && cpu->vhyp) { PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); vhc->hypercall(cpu->vhyp, cpu); @@ -1481,7 +1481,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_SYSCALL: /* System call exception */ lev = env->error_code; - if ((lev == 1) && cpu->vhyp) { + if (lev == 1 && cpu->vhyp) { dump_hcall(env); } else { dump_syscall(env); @@ -1494,7 +1494,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) env->nip += 4; /* "PAPR mode" built-in hypercall emulation */ - if ((lev == 1) && books_vhyp_handles_hcall(cpu)) { + if (lev == 1 && books_vhyp_handles_hcall(cpu)) { PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); vhc->hypercall(cpu->vhyp, cpu); From patchwork Sun Jun 11 22:42:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793690 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVH12RV1z20Wl for ; Mon, 12 Jun 2023 08:43:57 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tli-0000FX-Ke; Sun, 11 Jun 2023 18:42:42 -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 1q8Tlg-0000Dk-Kr; Sun, 11 Jun 2023 18:42:40 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tld-0004gF-Lv; Sun, 11 Jun 2023 18:42:40 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 56295748A67; Mon, 12 Jun 2023 00:42:32 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 3B4D1748A64; Mon, 12 Jun 2023 00:42:32 +0200 (CEST) Message-Id: <2261dffe335cc7fd1eade43cf569ae1cc640ed98.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 02/10] target/ppc: Remove unneeded parameter from powerpc_reset_wakeup() MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:32 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org CPUState is rarely needed by this function (only for logging a fatal error) and it's easy to get from the env parameter so passing it separately is not necessary. Signed-off-by: BALATON Zoltan Acked-by: Nicholas Piggin --- target/ppc/excp_helper.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 8298217e78..3783315fdb 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -166,8 +166,7 @@ static void ppc_excp_debug_sw_tlb(CPUPPCState *env, int excp) } #if defined(TARGET_PPC64) -static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp, - target_ulong *msr) +static int powerpc_reset_wakeup(CPUPPCState *env, int excp, target_ulong *msr) { /* We no longer are in a PM state */ env->resume_as_sreset = false; @@ -202,8 +201,8 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp, *msr |= SRR1_WAKEHVI; break; default: - cpu_abort(cs, "Unsupported exception %d in Power Save mode\n", - excp); + cpu_abort(env_cpu(env), + "Unsupported exception %d in Power Save mode\n", excp); } return POWERPC_EXCP_RESET; } @@ -1353,7 +1352,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) * P7/P8/P9 */ if (env->resume_as_sreset) { - excp = powerpc_reset_wakeup(cs, env, excp, &msr); + excp = powerpc_reset_wakeup(env, excp, &msr); } /* From patchwork Sun Jun 11 22:42:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793703 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVJD18vlz20X6 for ; Mon, 12 Jun 2023 08:44:59 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlj-0000Fi-6G; Sun, 11 Jun 2023 18:42:43 -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 1q8Tlh-0000E2-45; Sun, 11 Jun 2023 18:42:41 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tle-0004gT-5T; Sun, 11 Jun 2023 18:42:40 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 7BB5E748A68; Mon, 12 Jun 2023 00:42:33 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 44906748A64; Mon, 12 Jun 2023 00:42:33 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 03/10] target/ppc: Move common check in exception handlers to a function MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:33 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org All powerpc exception handlers share some code when handling machine check exceptions. Move this to a common function. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Nicholas Piggin --- target/ppc/excp_helper.c | 112 ++++++++------------------------------- 1 file changed, 23 insertions(+), 89 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 3783315fdb..e4532f5088 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -403,6 +403,23 @@ static void powerpc_set_excp_state(PowerPCCPU *cpu, target_ulong vector, env->reserve_addr = -1; } +static void powerpc_checkstop_state(CPUPPCState *env) +{ + if (!FIELD_EX64(env->msr, MSR, ME)) { + CPUState *cs = env_cpu(env); + + /* Machine check exception is not enabled. Enter checkstop state. */ + fprintf(stderr, "Machine check while not allowed. " + "Entering checkstop state\n"); + if (qemu_log_separate()) { + qemu_log("Machine check while not allowed. " + "Entering checkstop state\n"); + } + cs->halted = 1; + cpu_interrupt_exittb(cs); + } +} + static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) { CPUState *cs = CPU(cpu); @@ -445,21 +462,7 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) srr1 = SPR_40x_SRR3; break; case POWERPC_EXCP_MCHECK: /* Machine check exception */ - if (!FIELD_EX64(env->msr, MSR, ME)) { - /* - * Machine check exception is not enabled. Enter - * checkstop state. - */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); - } - cs->halted = 1; - cpu_interrupt_exittb(cs); - } - + powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); @@ -576,21 +579,7 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_CRITICAL: /* Critical input */ break; case POWERPC_EXCP_MCHECK: /* Machine check exception */ - if (!FIELD_EX64(env->msr, MSR, ME)) { - /* - * Machine check exception is not enabled. Enter - * checkstop state. - */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); - } - cs->halted = 1; - cpu_interrupt_exittb(cs); - } - + powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); @@ -749,21 +738,7 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) switch (excp) { case POWERPC_EXCP_MCHECK: /* Machine check exception */ - if (!FIELD_EX64(env->msr, MSR, ME)) { - /* - * Machine check exception is not enabled. Enter - * checkstop state. - */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); - } - cs->halted = 1; - cpu_interrupt_exittb(cs); - } - + powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); @@ -934,21 +909,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) switch (excp) { case POWERPC_EXCP_MCHECK: /* Machine check exception */ - if (!FIELD_EX64(env->msr, MSR, ME)) { - /* - * Machine check exception is not enabled. Enter - * checkstop state. - */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); - } - cs->halted = 1; - cpu_interrupt_exittb(cs); - } - + powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); @@ -1129,21 +1090,7 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) srr1 = SPR_BOOKE_CSRR1; break; case POWERPC_EXCP_MCHECK: /* Machine check exception */ - if (!FIELD_EX64(env->msr, MSR, ME)) { - /* - * Machine check exception is not enabled. Enter - * checkstop state. - */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); - } - cs->halted = 1; - cpu_interrupt_exittb(cs); - } - + powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); @@ -1376,20 +1323,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) switch (excp) { case POWERPC_EXCP_MCHECK: /* Machine check exception */ - if (!FIELD_EX64(env->msr, MSR, ME)) { - /* - * Machine check exception is not enabled. Enter - * checkstop state. - */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); - } - cs->halted = 1; - cpu_interrupt_exittb(cs); - } + powerpc_checkstop_state(env); if (env->msr_mask & MSR_HVB) { /* * ISA specifies HV, but can be delivered to guest with HV From patchwork Sun Jun 11 22:42:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793696 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVHv17JRz20Wl for ; Mon, 12 Jun 2023 08:44:43 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlj-0000G4-Pw; Sun, 11 Jun 2023 18:42:43 -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 1q8Tlh-0000FD-Tm; Sun, 11 Jun 2023 18:42:41 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tlf-0004gk-6Y; Sun, 11 Jun 2023 18:42:41 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 8F45D748A6A; Mon, 12 Jun 2023 00:42:34 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 5B961748A64; Mon, 12 Jun 2023 00:42:34 +0200 (CEST) Message-Id: <2323bc631817a134319fc1978531160986ecbe13.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 04/10] target/ppc: Use env_cpu for cpu_abort in excp_helper MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:34 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Use the env_cpu function to get the CPUState for cpu_abort. These are only needed in case of fatal errors so this allows to avoid casting and storing CPUState in a local variable wnen not needed. Signed-off-by: BALATON Zoltan --- target/ppc/excp_helper.c | 118 +++++++++++++++++++++------------------ 1 file changed, 63 insertions(+), 55 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index e4532f5088..51202f7028 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -422,7 +422,6 @@ static void powerpc_checkstop_state(CPUPPCState *env) static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; int srr0, srr1; @@ -450,8 +449,8 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) vector = env->excp_vectors[excp]; if (vector == (target_ulong)-1ULL) { - cpu_abort(cs, "Raised an exception without defined vector %d\n", - excp); + cpu_abort(env_cpu(env), + "Raised an exception without defined vector %d\n", excp); } vector |= env->excp_prefix; @@ -500,7 +499,7 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) env->spr[SPR_40x_ESR] = ESR_PTR; break; default: - cpu_abort(cs, "Invalid program exception %d. Aborting\n", + cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n", env->error_code); break; } @@ -527,11 +526,12 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) trace_ppc_excp_print("PIT"); break; case POWERPC_EXCP_DEBUG: /* Debug interrupt */ - cpu_abort(cs, "%s exception not implemented\n", + cpu_abort(env_cpu(env), "%s exception not implemented\n", powerpc_excp_name(excp)); break; default: - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); break; } @@ -546,7 +546,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; @@ -569,8 +568,8 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) vector = env->excp_vectors[excp]; if (vector == (target_ulong)-1ULL) { - cpu_abort(cs, "Raised an exception without defined vector %d\n", - excp); + cpu_abort(env_cpu(env), + "Raised an exception without defined vector %d\n", excp); } vector |= env->excp_prefix; @@ -630,7 +629,7 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) break; default: /* Should never occur */ - cpu_abort(cs, "Invalid program exception %d. Aborting\n", + cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n", env->error_code); break; } @@ -652,8 +651,9 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_RESET: /* System reset exception */ if (FIELD_EX64(env->msr, MSR, POW)) { - cpu_abort(cs, "Trying to deliver power-saving system reset " - "exception %d with no HV support\n", excp); + cpu_abort(env_cpu(env), + "Trying to deliver power-saving system reset exception " + "%d with no HV support\n", excp); } break; case POWERPC_EXCP_TRACE: /* Trace exception */ @@ -680,11 +680,12 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_SMI: /* System management interrupt */ case POWERPC_EXCP_MEXTBR: /* Maskable external breakpoint */ case POWERPC_EXCP_NMEXTBR: /* Non maskable external breakpoint */ - cpu_abort(cs, "%s exception not implemented\n", + cpu_abort(env_cpu(env), "%s exception not implemented\n", powerpc_excp_name(excp)); break; default: - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); break; } @@ -707,7 +708,6 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; @@ -730,8 +730,8 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) vector = env->excp_vectors[excp]; if (vector == (target_ulong)-1ULL) { - cpu_abort(cs, "Raised an exception without defined vector %d\n", - excp); + cpu_abort(env_cpu(env), + "Raised an exception without defined vector %d\n", excp); } vector |= env->excp_prefix; @@ -789,7 +789,7 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) break; default: /* Should never occur */ - cpu_abort(cs, "Invalid program exception %d. Aborting\n", + cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n", env->error_code); break; } @@ -830,8 +830,9 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_RESET: /* System reset exception */ if (FIELD_EX64(env->msr, MSR, POW)) { - cpu_abort(cs, "Trying to deliver power-saving system reset " - "exception %d with no HV support\n", excp); + cpu_abort(env_cpu(env), + "Trying to deliver power-saving system reset exception " + "%d with no HV support\n", excp); } break; case POWERPC_EXCP_TRACE: /* Trace exception */ @@ -851,11 +852,12 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_SMI: /* System management interrupt */ case POWERPC_EXCP_THERM: /* Thermal interrupt */ case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */ - cpu_abort(cs, "%s exception not implemented\n", + cpu_abort(env_cpu(env), "%s exception not implemented\n", powerpc_excp_name(excp)); break; default: - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); break; } @@ -878,7 +880,6 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; @@ -901,8 +902,8 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) vector = env->excp_vectors[excp]; if (vector == (target_ulong)-1ULL) { - cpu_abort(cs, "Raised an exception without defined vector %d\n", - excp); + cpu_abort(env_cpu(env), + "Raised an exception without defined vector %d\n", excp); } vector |= env->excp_prefix; @@ -960,7 +961,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) break; default: /* Should never occur */ - cpu_abort(cs, "Invalid program exception %d. Aborting\n", + cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n", env->error_code); break; } @@ -1001,7 +1002,8 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_RESET: /* System reset exception */ if (FIELD_EX64(env->msr, MSR, POW)) { - cpu_abort(cs, "Trying to deliver power-saving system reset " + cpu_abort(env_cpu(env), + "Trying to deliver power-saving system reset " "exception %d with no HV support\n", excp); } break; @@ -1014,11 +1016,12 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_THERM: /* Thermal interrupt */ case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */ case POWERPC_EXCP_VPUA: /* Vector assist exception */ - cpu_abort(cs, "%s exception not implemented\n", + cpu_abort(env_cpu(env), "%s exception not implemented\n", powerpc_excp_name(excp)); break; default: - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); break; } @@ -1041,7 +1044,6 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; int srr0, srr1; @@ -1078,8 +1080,8 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) vector = env->excp_vectors[excp]; if (vector == (target_ulong)-1ULL) { - cpu_abort(cs, "Raised an exception without defined vector %d\n", - excp); + cpu_abort(env_cpu(env), + "Raised an exception without defined vector %d\n", excp); } vector |= env->excp_prefix; @@ -1110,6 +1112,7 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_EXTERNAL: /* External input */ if (env->mpic_proxy) { + CPUState *cs = env_cpu(env); /* IACK the IRQ on delivery */ env->spr[SPR_BOOKE_EPR] = ldl_phys(cs->as, env->mpic_iack); } @@ -1148,7 +1151,7 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) break; default: /* Should never occur */ - cpu_abort(cs, "Invalid program exception %d. Aborting\n", + cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n", env->error_code); break; } @@ -1189,7 +1192,8 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) /* DBSR already modified by caller */ } else { - cpu_abort(cs, "Debug exception triggered on unsupported model\n"); + cpu_abort(env_cpu(env), + "Debug exception triggered on unsupported model\n"); } break; case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavailable/VPU */ @@ -1203,17 +1207,19 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_RESET: /* System reset exception */ if (FIELD_EX64(env->msr, MSR, POW)) { - cpu_abort(cs, "Trying to deliver power-saving system reset " + cpu_abort(env_cpu(env), + "Trying to deliver power-saving system reset " "exception %d with no HV support\n", excp); } break; case POWERPC_EXCP_EFPDI: /* Embedded floating-point data interrupt */ case POWERPC_EXCP_EFPRI: /* Embedded floating-point round interrupt */ - cpu_abort(cs, "%s exception not implemented\n", + cpu_abort(env_cpu(env), "%s exception not implemented\n", powerpc_excp_name(excp)); break; default: - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); break; } @@ -1276,7 +1282,6 @@ static bool books_vhyp_handles_hv_excp(PowerPCCPU *cpu) static void powerpc_excp_books(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; int srr0, srr1, lev = -1; @@ -1315,8 +1320,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) vector = env->excp_vectors[excp]; if (vector == (target_ulong)-1ULL) { - cpu_abort(cs, "Raised an exception without defined vector %d\n", - excp); + cpu_abort(env_cpu(env), + "Raised an exception without defined vector %d\n", excp); } vector |= env->excp_prefix; @@ -1406,7 +1411,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) break; default: /* Should never occur */ - cpu_abort(cs, "Invalid program exception %d. Aborting\n", + cpu_abort(env_cpu(env), "Invalid program exception %d. Aborting\n", env->error_code); break; } @@ -1467,7 +1472,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) new_msr |= (target_ulong)MSR_HVB; } else { if (FIELD_EX64(env->msr, MSR, POW)) { - cpu_abort(cs, "Trying to deliver power-saving system reset " + cpu_abort(env_cpu(env), + "Trying to deliver power-saving system reset " "exception %d with no HV support\n", excp); } } @@ -1522,11 +1528,12 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_VPUA: /* Vector assist exception */ case POWERPC_EXCP_MAINT: /* Maintenance exception */ case POWERPC_EXCP_HV_MAINT: /* Hypervisor Maintenance exception */ - cpu_abort(cs, "%s exception not implemented\n", + cpu_abort(env_cpu(env), "%s exception not implemented\n", powerpc_excp_name(excp)); break; default: - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); break; } @@ -1559,8 +1566,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) } else { /* Sanity check */ if (!(env->msr_mask & MSR_HVB) && srr0 == SPR_HSRR0) { - cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with " - "no HV support\n", excp); + cpu_abort(env_cpu(env), "Trying to deliver HV exception (HSRR) %d " + "with no HV support\n", excp); } /* This can update new_msr and vector if AIL applies */ @@ -1578,11 +1585,11 @@ static inline void powerpc_excp_books(PowerPCCPU *cpu, int excp) static void powerpc_excp(PowerPCCPU *cpu, int excp) { - CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) { - cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + cpu_abort(env_cpu(env), "Invalid PowerPC exception %d. Aborting\n", + excp); } qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx @@ -2116,7 +2123,6 @@ void ppc_maybe_interrupt(CPUPPCState *env) static void p7_deliver_interrupt(CPUPPCState *env, int interrupt) { PowerPCCPU *cpu = env_archcpu(env); - CPUState *cs = env_cpu(env); switch (interrupt) { case PPC_INTERRUPT_MCK: /* Machine check exception */ @@ -2160,14 +2166,14 @@ static void p7_deliver_interrupt(CPUPPCState *env, int interrupt) assert(!env->resume_as_sreset); break; default: - cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt); + cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n", + interrupt); } } static void p8_deliver_interrupt(CPUPPCState *env, int interrupt) { PowerPCCPU *cpu = env_archcpu(env); - CPUState *cs = env_cpu(env); switch (interrupt) { case PPC_INTERRUPT_MCK: /* Machine check exception */ @@ -2231,7 +2237,8 @@ static void p8_deliver_interrupt(CPUPPCState *env, int interrupt) assert(!env->resume_as_sreset); break; default: - cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt); + cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n", + interrupt); } } @@ -2310,7 +2317,8 @@ static void p9_deliver_interrupt(CPUPPCState *env, int interrupt) assert(!env->resume_as_sreset); break; default: - cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt); + cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n", + interrupt); } } #endif @@ -2318,7 +2326,6 @@ static void p9_deliver_interrupt(CPUPPCState *env, int interrupt) static void ppc_deliver_interrupt_generic(CPUPPCState *env, int interrupt) { PowerPCCPU *cpu = env_archcpu(env); - CPUState *cs = env_cpu(env); switch (interrupt) { case PPC_INTERRUPT_RESET: /* External reset */ @@ -2415,7 +2422,8 @@ static void ppc_deliver_interrupt_generic(CPUPPCState *env, int interrupt) assert(!env->resume_as_sreset); break; default: - cpu_abort(cs, "Invalid PowerPC interrupt %d. Aborting\n", interrupt); + cpu_abort(env_cpu(env), "Invalid PowerPC interrupt %d. Aborting\n", + interrupt); } } From patchwork Sun Jun 11 22:42:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793694 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVH85D33z20Wl for ; Mon, 12 Jun 2023 08:44:04 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlk-0000GT-J7; Sun, 11 Jun 2023 18:42:44 -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 1q8Tli-0000FZ-Tt; Sun, 11 Jun 2023 18:42:42 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tlh-0004hE-7W; Sun, 11 Jun 2023 18:42:42 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 8C6D4748A6B; Mon, 12 Jun 2023 00:42:35 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 65973748A64; Mon, 12 Jun 2023 00:42:35 +0200 (CEST) Message-Id: <7e6b3c01d5c48a4d32c92b578565c28f0173c6f6.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 05/10] target/ppc: Change parameter of cpu_interrupt_exittb() to an env pointer MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:35 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Changing the parameter of cpu_interrupt_exittb() from CPUState to env allows removing some more local CPUState variables in callers. Signed-off-by: BALATON Zoltan --- target/ppc/excp_helper.c | 9 +++------ target/ppc/helper_regs.c | 15 ++++++--------- target/ppc/helper_regs.h | 2 +- 3 files changed, 10 insertions(+), 16 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 51202f7028..b681edbdcf 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -416,7 +416,7 @@ static void powerpc_checkstop_state(CPUPPCState *env) "Entering checkstop state\n"); } cs->halted = 1; - cpu_interrupt_exittb(cs); + cpu_interrupt_exittb(env); } } @@ -2549,8 +2549,7 @@ void helper_store_msr(CPUPPCState *env, target_ulong val) uint32_t excp = hreg_store_msr(env, val, 0); if (excp != 0) { - CPUState *cs = env_cpu(env); - cpu_interrupt_exittb(cs); + cpu_interrupt_exittb(env); raise_exception(env, excp); } } @@ -2587,8 +2586,6 @@ void helper_pminsn(CPUPPCState *env, uint32_t insn) static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr) { - CPUState *cs = env_cpu(env); - /* MSR:POW cannot be set by any form of rfi */ msr &= ~(1ULL << MSR_POW); @@ -2612,7 +2609,7 @@ static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr) * No need to raise an exception here, as rfi is always the last * insn of a TB */ - cpu_interrupt_exittb(cs); + cpu_interrupt_exittb(env); /* Reset the reservation */ env->reserve_addr = -1; diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index bc7e9d7eda..ffedd38985 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -237,7 +237,7 @@ void cpu_get_tb_cpu_state(CPUPPCState *env, target_ulong *pc, } #endif -void cpu_interrupt_exittb(CPUState *cs) +void cpu_interrupt_exittb(CPUPPCState *env) { /* * We don't need to worry about translation blocks @@ -245,18 +245,14 @@ void cpu_interrupt_exittb(CPUState *cs) */ if (tcg_enabled()) { QEMU_IOTHREAD_LOCK_GUARD(); - cpu_interrupt(cs, CPU_INTERRUPT_EXITTB); + cpu_interrupt(env_cpu(env), CPU_INTERRUPT_EXITTB); } } int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv) { - int excp; -#if !defined(CONFIG_USER_ONLY) - CPUState *cs = env_cpu(env); -#endif + int excp = 0; - excp = 0; value &= env->msr_mask; #if !defined(CONFIG_USER_ONLY) /* Neither mtmsr nor guest state can alter HV */ @@ -265,12 +261,12 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv) value |= env->msr & MSR_HVB; } if ((value ^ env->msr) & (R_MSR_IR_MASK | R_MSR_DR_MASK)) { - cpu_interrupt_exittb(cs); + cpu_interrupt_exittb(env); } if ((env->mmu_model == POWERPC_MMU_BOOKE || env->mmu_model == POWERPC_MMU_BOOKE206) && ((value ^ env->msr) & R_MSR_GS_MASK)) { - cpu_interrupt_exittb(cs); + cpu_interrupt_exittb(env); } if (unlikely((env->flags & POWERPC_FLAG_TGPR) && ((value ^ env->msr) & (1 << MSR_TGPR)))) { @@ -301,6 +297,7 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv) if (unlikely(FIELD_EX64(env->msr, MSR, POW))) { if (!env->pending_interrupts && (*env->check_pow)(env)) { + CPUState *cs = env_cpu(env); cs->halted = 1; excp = EXCP_HALTED; } diff --git a/target/ppc/helper_regs.h b/target/ppc/helper_regs.h index 8196c1346d..3e1606f293 100644 --- a/target/ppc/helper_regs.h +++ b/target/ppc/helper_regs.h @@ -23,7 +23,7 @@ void hreg_swap_gpr_tgpr(CPUPPCState *env); void hreg_compute_hflags(CPUPPCState *env); void hreg_update_pmu_hflags(CPUPPCState *env); -void cpu_interrupt_exittb(CPUState *cs); +void cpu_interrupt_exittb(CPUPPCState *env); int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv); #ifdef CONFIG_USER_ONLY From patchwork Sun Jun 11 22:42:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793689 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVGz0g9Tz20Wl for ; Mon, 12 Jun 2023 08:43:55 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tll-0000HD-M8; Sun, 11 Jun 2023 18:42:45 -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 1q8Tlk-0000GF-8g; Sun, 11 Jun 2023 18:42:44 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tlh-0004hO-CU; Sun, 11 Jun 2023 18:42:43 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id AE29E748A6C; Mon, 12 Jun 2023 00:42:36 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 77BF3748A64; Mon, 12 Jun 2023 00:42:36 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 06/10] target/ppc: Readability improvements in exception handlers MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:36 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Improve readability by shortening some long comments, removing comments that state the obvious and dropping some empty lines so they don't distract when reading the code. Signed-off-by: BALATON Zoltan Acked-by: Nicholas Piggin --- target/ppc/cpu.h | 1 + target/ppc/excp_helper.c | 180 +++++++-------------------------------- 2 files changed, 33 insertions(+), 148 deletions(-) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 0ee2adc105..d7acd65176 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -2739,6 +2739,7 @@ static inline bool ppc_has_spr(PowerPCCPU *cpu, int spr) } #if !defined(CONFIG_USER_ONLY) +/* Sort out endianness of interrupt. Depends on the CPU, HV mode, etc. */ static inline bool ppc_interrupts_little_endian(PowerPCCPU *cpu, bool hv) { PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index b681edbdcf..885e479301 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -382,9 +382,8 @@ static void powerpc_set_excp_state(PowerPCCPU *cpu, target_ulong vector, * We don't use hreg_store_msr here as already have treated any * special case that could occur. Just store MSR and update hflags * - * Note: We *MUST* not use hreg_store_msr() as-is anyway because it - * will prevent setting of the HV bit which some exceptions might need - * to do. + * Note: We *MUST* not use hreg_store_msr() as-is anyway because it will + * prevent setting of the HV bit which some exceptions might need to do. */ env->nip = vector; env->msr = msr; @@ -424,25 +423,15 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) { CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; - int srr0, srr1; + int srr0 = SPR_SRR0, srr1 = SPR_SRR1; /* new srr1 value excluding must-be-zero bits */ msr = env->msr & ~0x783f0000ULL; - /* - * new interrupt handler msr preserves existing ME unless - * explicitly overriden. - */ + /* new interrupt handler msr preserves ME unless explicitly overriden */ new_msr = env->msr & (((target_ulong)1 << MSR_ME)); - /* target registers */ - srr0 = SPR_SRR0; - srr1 = SPR_SRR1; - - /* - * Hypervisor emulation assistance interrupt only exists on server - * arch 2.05 server or later. - */ + /* HV emu assistance interrupt only exists on server arch 2.05 or later */ if (excp == POWERPC_EXCP_HV_EMU) { excp = POWERPC_EXCP_PROGRAM; } @@ -452,7 +441,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) cpu_abort(env_cpu(env), "Raised an exception without defined vector %d\n", excp); } - vector |= env->excp_prefix; switch (excp) { @@ -464,7 +452,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); - srr0 = SPR_40x_SRR2; srr1 = SPR_40x_SRR3; break; @@ -535,12 +522,8 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) break; } - /* Save PC */ env->spr[srr0] = env->nip; - - /* Save MSR */ env->spr[srr1] = msr; - powerpc_set_excp_state(cpu, vector, new_msr); } @@ -552,16 +535,10 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) /* new srr1 value excluding must-be-zero bits */ msr = env->msr & ~0x783f0000ULL; - /* - * new interrupt handler msr preserves existing ME unless - * explicitly overriden - */ + /* new interrupt handler msr preserves ME unless explicitly overriden */ new_msr = env->msr & ((target_ulong)1 << MSR_ME); - /* - * Hypervisor emulation assistance interrupt only exists on server - * arch 2.05 server or later. - */ + /* HV emu assistance interrupt only exists on server arch 2.05 or later */ if (excp == POWERPC_EXCP_HV_EMU) { excp = POWERPC_EXCP_PROGRAM; } @@ -571,7 +548,6 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) cpu_abort(env_cpu(env), "Raised an exception without defined vector %d\n", excp); } - vector |= env->excp_prefix; switch (excp) { @@ -581,7 +557,6 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); - break; case POWERPC_EXCP_DSI: /* Data storage exception */ trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]); @@ -609,11 +584,9 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) powerpc_reset_excp_state(cpu); return; } - /* - * FP exceptions always have NIP pointing to the faulting - * instruction, so always use store_next and claim we are - * precise in the MSR. + * NIP always points to the faulting instruction for FP exceptions, + * so always use store_next and claim we are precise in the MSR. */ msr |= 0x00100000; break; @@ -689,20 +662,11 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) break; } - /* - * Sort out endianness of interrupt, this differs depending on the - * CPU, the HV mode, etc... - */ if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) { new_msr |= (target_ulong)1 << MSR_LE; } - - /* Save PC */ env->spr[SPR_SRR0] = env->nip; - - /* Save MSR */ env->spr[SPR_SRR1] = msr; - powerpc_set_excp_state(cpu, vector, new_msr); } @@ -714,16 +678,10 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) /* new srr1 value excluding must-be-zero bits */ msr = env->msr & ~0x783f0000ULL; - /* - * new interrupt handler msr preserves existing ME unless - * explicitly overriden - */ + /* new interrupt handler msr preserves ME unless explicitly overriden */ new_msr = env->msr & ((target_ulong)1 << MSR_ME); - /* - * Hypervisor emulation assistance interrupt only exists on server - * arch 2.05 server or later. - */ + /* HV emu assistance interrupt only exists on server arch 2.05 or later */ if (excp == POWERPC_EXCP_HV_EMU) { excp = POWERPC_EXCP_PROGRAM; } @@ -733,7 +691,6 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) cpu_abort(env_cpu(env), "Raised an exception without defined vector %d\n", excp); } - vector |= env->excp_prefix; switch (excp) { @@ -741,7 +698,6 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); - break; case POWERPC_EXCP_DSI: /* Data storage exception */ trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]); @@ -769,11 +725,9 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) powerpc_reset_excp_state(cpu); return; } - /* - * FP exceptions always have NIP pointing to the faulting - * instruction, so always use store_next and claim we are - * precise in the MSR. + * NIP always points to the faulting instruction for FP exceptions, + * so always use store_next and claim we are precise in the MSR. */ msr |= 0x00100000; break; @@ -841,12 +795,10 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ ppc_excp_debug_sw_tlb(env, excp); - msr |= env->crf[0] << 28; msr |= env->error_code; /* key, D/I, S/L bits */ /* Set way using a LRU mechanism */ msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17; - break; case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ case POWERPC_EXCP_SMI: /* System management interrupt */ @@ -861,20 +813,11 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) break; } - /* - * Sort out endianness of interrupt, this differs depending on the - * CPU, the HV mode, etc... - */ if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) { new_msr |= (target_ulong)1 << MSR_LE; } - - /* Save PC */ env->spr[SPR_SRR0] = env->nip; - - /* Save MSR */ env->spr[SPR_SRR1] = msr; - powerpc_set_excp_state(cpu, vector, new_msr); } @@ -886,16 +829,10 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) /* new srr1 value excluding must-be-zero bits */ msr = env->msr & ~0x783f0000ULL; - /* - * new interrupt handler msr preserves existing ME unless - * explicitly overriden - */ + /* new interrupt handler msr preserves ME unless explicitly overriden */ new_msr = env->msr & ((target_ulong)1 << MSR_ME); - /* - * Hypervisor emulation assistance interrupt only exists on server - * arch 2.05 server or later. - */ + /* HV emu assistance interrupt only exists on server arch 2.05 or later */ if (excp == POWERPC_EXCP_HV_EMU) { excp = POWERPC_EXCP_PROGRAM; } @@ -905,7 +842,6 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) cpu_abort(env_cpu(env), "Raised an exception without defined vector %d\n", excp); } - vector |= env->excp_prefix; switch (excp) { @@ -913,7 +849,6 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) powerpc_checkstop_state(env); /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); - break; case POWERPC_EXCP_DSI: /* Data storage exception */ trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]); @@ -941,11 +876,9 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) powerpc_reset_excp_state(cpu); return; } - /* - * FP exceptions always have NIP pointing to the faulting - * instruction, so always use store_next and claim we are - * precise in the MSR. + * NIP always points to the faulting instruction for FP exceptions, + * so always use store_next and claim we are precise in the MSR. */ msr |= 0x00100000; break; @@ -1025,20 +958,11 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) break; } - /* - * Sort out endianness of interrupt, this differs depending on the - * CPU, the HV mode, etc... - */ if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) { new_msr |= (target_ulong)1 << MSR_LE; } - - /* Save PC */ env->spr[SPR_SRR0] = env->nip; - - /* Save MSR */ env->spr[SPR_SRR1] = msr; - powerpc_set_excp_state(cpu, vector, new_msr); } @@ -1046,24 +970,18 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) { CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; - int srr0, srr1; - - msr = env->msr; + int srr0 = SPR_SRR0, srr1 = SPR_SRR1; /* - * new interrupt handler msr preserves existing ME unless - * explicitly overriden + * Book E does not play games with certain bits of xSRR1 being MSR save + * bits and others being error status. xSRR1 is the old MSR, period. */ - new_msr = env->msr & ((target_ulong)1 << MSR_ME); + msr = env->msr; - /* target registers */ - srr0 = SPR_SRR0; - srr1 = SPR_SRR1; + /* new interrupt handler msr preserves ME unless explicitly overriden */ + new_msr = env->msr & ((target_ulong)1 << MSR_ME); - /* - * Hypervisor emulation assistance interrupt only exists on server - * arch 2.05 server or later. - */ + /* HV emu assistance interrupt only exists on server arch 2.05 or later */ if (excp == POWERPC_EXCP_HV_EMU) { excp = POWERPC_EXCP_PROGRAM; } @@ -1083,7 +1001,6 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) cpu_abort(env_cpu(env), "Raised an exception without defined vector %d\n", excp); } - vector |= env->excp_prefix; switch (excp) { @@ -1127,11 +1044,9 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) powerpc_reset_excp_state(cpu); return; } - /* - * FP exceptions always have NIP pointing to the faulting - * instruction, so always use store_next and claim we are - * precise in the MSR. + * NIP always points to the faulting instruction for FP exceptions, + * so always use store_next and claim we are precise in the MSR. */ msr |= 0x00100000; env->spr[SPR_BOOKE_ESR] = ESR_FP; @@ -1232,12 +1147,8 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) } #endif - /* Save PC */ env->spr[srr0] = env->nip; - - /* Save MSR */ env->spr[srr1] = msr; - powerpc_set_excp_state(cpu, vector, new_msr); } @@ -1284,21 +1195,17 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) { CPUPPCState *env = &cpu->env; target_ulong msr, new_msr, vector; - int srr0, srr1, lev = -1; + int srr0 = SPR_SRR0, srr1 = SPR_SRR1, lev = -1; /* new srr1 value excluding must-be-zero bits */ msr = env->msr & ~0x783f0000ULL; /* - * new interrupt handler msr preserves existing HV and ME unless - * explicitly overriden + * new interrupt handler msr preserves HV and ME unless explicitly + * overriden */ new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB); - /* target registers */ - srr0 = SPR_SRR0; - srr1 = SPR_SRR1; - /* * check for special resume at 0x100 from doze/nap/sleep/winkle on * P7/P8/P9 @@ -1323,7 +1230,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) cpu_abort(env_cpu(env), "Raised an exception without defined vector %d\n", excp); } - vector |= env->excp_prefix; switch (excp) { @@ -1336,10 +1242,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) */ new_msr |= (target_ulong)MSR_HVB; } - /* machine check exceptions don't have ME set */ new_msr &= ~((target_ulong)1 << MSR_ME); - break; case POWERPC_EXCP_DSI: /* Data storage exception */ trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]); @@ -1352,23 +1256,17 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) { bool lpes0; - /* - * LPES0 is only taken into consideration if we support HV - * mode for this CPU. - */ + /* LPES0 is only taken into consideration if we support HV mode */ if (!env->has_hv_mode) { break; } - lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0); - if (!lpes0) { new_msr |= (target_ulong)MSR_HVB; new_msr |= env->msr & ((target_ulong)1 << MSR_RI); srr0 = SPR_HSRR0; srr1 = SPR_HSRR1; } - break; } case POWERPC_EXCP_ALIGN: /* Alignment exception */ @@ -1391,11 +1289,9 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) powerpc_reset_excp_state(cpu); return; } - /* - * FP exceptions always have NIP pointing to the faulting - * instruction, so always use store_next and claim we are - * precise in the MSR. + * NIP always points to the faulting instruction for FP exceptions, + * so always use store_next and claim we are precise in the MSR. */ msr |= 0x00100000; break; @@ -1537,21 +1433,13 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) break; } - /* - * Sort out endianness of interrupt, this differs depending on the - * CPU, the HV mode, etc... - */ if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) { new_msr |= (target_ulong)1 << MSR_LE; } - new_msr |= (target_ulong)1 << MSR_SF; if (excp != POWERPC_EXCP_SYSCALL_VECTORED) { - /* Save PC */ env->spr[srr0] = env->nip; - - /* Save MSR */ env->spr[srr1] = msr; } @@ -1560,19 +1448,15 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); /* Deliver interrupt to L1 by returning from the H_ENTER_NESTED call */ vhc->deliver_hv_excp(cpu, excp); - powerpc_reset_excp_state(cpu); - } else { /* Sanity check */ if (!(env->msr_mask & MSR_HVB) && srr0 == SPR_HSRR0) { cpu_abort(env_cpu(env), "Trying to deliver HV exception (HSRR) %d " "with no HV support\n", excp); } - /* This can update new_msr and vector if AIL applies */ ppc_excp_apply_ail(cpu, excp, msr, &new_msr, &vector); - powerpc_set_excp_state(cpu, vector, new_msr); } } From patchwork Sun Jun 11 22:42:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793700 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVJ30DFdz20X6 for ; Mon, 12 Jun 2023 08:44:50 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tll-0000Gc-6F; Sun, 11 Jun 2023 18:42:45 -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 1q8Tlj-0000G6-SY; Sun, 11 Jun 2023 18:42:43 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tli-0004hm-EX; Sun, 11 Jun 2023 18:42:43 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id A4C83748A65; Mon, 12 Jun 2023 00:42:37 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 8C960748A64; Mon, 12 Jun 2023 00:42:37 +0200 (CEST) Message-Id: <13f743d961c10d03c5b4f745a1b26ece3a7e1494.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 07/10] target/ppd: Remove unused define MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:37 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Commit 7a3fe174b12d removed usage of POWERPC_SYSCALL_VECTORED, drop the unused define as well. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Nicholas Piggin --- target/ppc/translate.c | 1 - 1 file changed, 1 deletion(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index b591f2e496..a32a9b8a5f 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -4416,7 +4416,6 @@ static void gen_hrfid(DisasContext *ctx) #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER #else #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL -#define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED #endif static void gen_sc(DisasContext *ctx) { From patchwork Sun Jun 11 22:42:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793692 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVH42401z20Wl for ; Mon, 12 Jun 2023 08:44:00 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlm-0000JK-Ez; Sun, 11 Jun 2023 18:42:46 -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 1q8Tll-0000Gb-3F; Sun, 11 Jun 2023 18:42:45 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tlj-0004i7-DG; Sun, 11 Jun 2023 18:42:44 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id B6591748A6E; Mon, 12 Jun 2023 00:42:38 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 92CB9748A6D; Mon, 12 Jun 2023 00:42:38 +0200 (CEST) Message-Id: <7ae167986e18144bc665bbdd836b49fe723a90a1.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 08/10] target/ppc: Fix gen_sc to use correct nip MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:38 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Most exceptions are raised with nip pointing to the faulting instruction but the sc instruction generating a syscall exception leaves nip pointing to next instruction. Fix gen_sc to not use gen_exception_err() which sets nip back but correctly set nip to pc_next so we don't have to patch this in the exception handlers. This changes the nip logged in dump_syscall and dump_hcall debug functions but now this matches how nip would be on a real CPU. Signed-off-by: BALATON Zoltan --- target/ppc/excp_helper.c | 39 --------------------------------------- target/ppc/translate.c | 8 +++++--- 2 files changed, 5 insertions(+), 42 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 885e479301..4f6a6dfb19 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -493,12 +493,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_SYSCALL: /* System call exception */ dump_syscall(env); - - /* - * We need to correct the NIP which in this case is supposed - * to point to the next instruction - */ - env->nip += 4; break; case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ trace_ppc_excp_print("FIT"); @@ -609,12 +603,6 @@ static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_SYSCALL: /* System call exception */ dump_syscall(env); - - /* - * We need to correct the NIP which in this case is supposed - * to point to the next instruction - */ - env->nip += 4; break; case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ case POWERPC_EXCP_DECR: /* Decrementer exception */ @@ -757,13 +745,6 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) } else { dump_syscall(env); } - - /* - * We need to correct the NIP which in this case is supposed - * to point to the next instruction - */ - env->nip += 4; - /* * The Virtual Open Firmware (VOF) relies on the 'sc 1' * instruction to communicate with QEMU. The pegasos2 machine @@ -908,13 +889,6 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) } else { dump_syscall(env); } - - /* - * We need to correct the NIP which in this case is supposed - * to point to the next instruction - */ - env->nip += 4; - /* * The Virtual Open Firmware (VOF) relies on the 'sc 1' * instruction to communicate with QEMU. The pegasos2 machine @@ -1073,12 +1047,6 @@ static void powerpc_excp_booke(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_SYSCALL: /* System call exception */ dump_syscall(env); - - /* - * We need to correct the NIP which in this case is supposed - * to point to the next instruction - */ - env->nip += 4; break; case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ @@ -1320,13 +1288,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp) } else { dump_syscall(env); } - - /* - * We need to correct the NIP which in this case is supposed - * to point to the next instruction - */ - env->nip += 4; - /* "PAPR mode" built-in hypercall emulation */ if (lev == 1 && books_vhyp_handles_hcall(cpu)) { PPCVirtualHypervisorClass *vhc = diff --git a/target/ppc/translate.c b/target/ppc/translate.c index a32a9b8a5f..4260d3d66f 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -4419,10 +4419,12 @@ static void gen_hrfid(DisasContext *ctx) #endif static void gen_sc(DisasContext *ctx) { - uint32_t lev; + uint32_t lev = (ctx->opcode >> 5) & 0x7F; - lev = (ctx->opcode >> 5) & 0x7F; - gen_exception_err(ctx, POWERPC_SYSCALL, lev); + gen_update_nip(ctx, ctx->base.pc_next); + gen_helper_raise_exception_err(cpu_env, tcg_constant_i32(POWERPC_SYSCALL), + tcg_constant_i32(lev)); + ctx->base.is_jmp = DISAS_NORETURN; } #if defined(TARGET_PPC64) From patchwork Sun Jun 11 22:42:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793687 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVGl1KmRz20Wl for ; Mon, 12 Jun 2023 08:43:43 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlo-0000MS-7Y; Sun, 11 Jun 2023 18:42:48 -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 1q8Tll-0000HR-Vs; Sun, 11 Jun 2023 18:42:45 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tlk-0004iQ-CO; Sun, 11 Jun 2023 18:42:45 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id BE533748A64; Mon, 12 Jun 2023 00:42:39 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 9F9D8748A5B; Mon, 12 Jun 2023 00:42:39 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 09/10] target/ppc: Simplify syscall exception handlers MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:39 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org After previous changes the hypercall handling in 7xx and 74xx exception handlers can be folded into one if statement to simpilfy this code. Signed-off-by: BALATON Zoltan --- target/ppc/excp_helper.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 4f6a6dfb19..089417894e 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -738,26 +738,23 @@ static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_SYSCALL: /* System call exception */ { - int lev = env->error_code; + PowerPCCPU *cpu = env_archcpu(env); - if (lev == 1 && cpu->vhyp) { - dump_hcall(env); - } else { - dump_syscall(env); - } /* * The Virtual Open Firmware (VOF) relies on the 'sc 1' * instruction to communicate with QEMU. The pegasos2 machine * uses VOF and the 7xx CPUs, so although the 7xx don't have * HV mode, we need to keep hypercall support. */ - if (lev == 1 && cpu->vhyp) { + if (unlikely(env->error_code == 1 && cpu->vhyp)) { PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); + dump_hcall(env); vhc->hypercall(cpu->vhyp, cpu); return; + } else { + dump_syscall(env); } - break; } case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ @@ -882,26 +879,23 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) break; case POWERPC_EXCP_SYSCALL: /* System call exception */ { - int lev = env->error_code; + PowerPCCPU *cpu = env_archcpu(env); - if (lev == 1 && cpu->vhyp) { - dump_hcall(env); - } else { - dump_syscall(env); - } /* * The Virtual Open Firmware (VOF) relies on the 'sc 1' * instruction to communicate with QEMU. The pegasos2 machine * uses VOF and the 74xx CPUs, so although the 74xx don't have * HV mode, we need to keep hypercall support. */ - if (lev == 1 && cpu->vhyp) { + if (unlikely(env->error_code == 1 && cpu->vhyp)) { PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); + dump_hcall(env); vhc->hypercall(cpu->vhyp, cpu); return; + } else { + dump_syscall(env); } - break; } case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ From patchwork Sun Jun 11 22:42:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1793695 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QfVHs5zp5z20Wl for ; Mon, 12 Jun 2023 08:44:41 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q8Tlp-0000OM-Bc; Sun, 11 Jun 2023 18:42:49 -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 1q8Tln-0000KK-2Z; Sun, 11 Jun 2023 18:42:47 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q8Tll-0004iq-G1; Sun, 11 Jun 2023 18:42:46 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id DC0A0748A67; Mon, 12 Jun 2023 00:42:40 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id AC565748A5B; Mon, 12 Jun 2023 00:42:40 +0200 (CEST) Message-Id: <492f9d5fc23f85ff6445052e713aa273054881d9.1686522199.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 10/10] target/ppc: Get CPUState in one step MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Date: Mon, 12 Jun 2023 00:42:40 +0200 (CEST) X-Spam-Probability: 8% Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org We can get CPUState from env with env_cpu without going through PowerPCCPU and casting that. Signed-off-by: BALATON Zoltan --- target/ppc/excp_helper.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 089417894e..8396fe2334 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -1504,8 +1504,8 @@ static int p7_interrupt_powersave(CPUPPCState *env) static int p7_next_unmasked_interrupt(CPUPPCState *env) { - PowerPCCPU *cpu = env_archcpu(env); - CPUState *cs = CPU(cpu); + CPUState *cs = env_cpu(env); + /* Ignore MSR[EE] when coming out of some power management states */ bool msr_ee = FIELD_EX64(env->msr, MSR, EE) || env->resume_as_sreset; @@ -1594,8 +1594,8 @@ static int p8_interrupt_powersave(CPUPPCState *env) static int p8_next_unmasked_interrupt(CPUPPCState *env) { - PowerPCCPU *cpu = env_archcpu(env); - CPUState *cs = CPU(cpu); + CPUState *cs = env_cpu(env); + /* Ignore MSR[EE] when coming out of some power management states */ bool msr_ee = FIELD_EX64(env->msr, MSR, EE) || env->resume_as_sreset; @@ -1715,8 +1715,8 @@ static int p9_interrupt_powersave(CPUPPCState *env) static int p9_next_unmasked_interrupt(CPUPPCState *env) { - PowerPCCPU *cpu = env_archcpu(env); - CPUState *cs = CPU(cpu); + CPUState *cs = env_cpu(env); + /* Ignore MSR[EE] when coming out of some power management states */ bool msr_ee = FIELD_EX64(env->msr, MSR, EE) || env->resume_as_sreset; @@ -2410,9 +2410,8 @@ void helper_scv(CPUPPCState *env, uint32_t lev) void helper_pminsn(CPUPPCState *env, uint32_t insn) { - CPUState *cs; + CPUState *cs = env_cpu(env); - cs = env_cpu(env); cs->halted = 1; /* Condition for waking up at 0x100 */