From patchwork Mon Jan 3 06:34:38 2022 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: 1574686 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-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-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4JS6184LQcz9t0k for ; Mon, 3 Jan 2022 17:54:20 +1100 (AEDT) Received: from localhost ([::1]:38906 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n4HEY-0001ql-C5 for incoming@patchwork.ozlabs.org; Mon, 03 Jan 2022 01:54:18 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53430) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4Gw4-00027O-2M; Mon, 03 Jan 2022 01:35:12 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:23956) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4Gw1-00080E-RB; Mon, 03 Jan 2022 01:35:11 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 2034IXZx027234; Mon, 3 Jan 2022 06:34:52 GMT Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 3dbt0n24f4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 03 Jan 2022 06:34:51 +0000 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 2036XjVF021591; Mon, 3 Jan 2022 06:34:49 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma03ams.nl.ibm.com with ESMTP id 3daek986yh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 03 Jan 2022 06:34:49 +0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2036YlY441877760 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 3 Jan 2022 06:34:47 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 33E2342047; Mon, 3 Jan 2022 06:34:47 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0108542041; Mon, 3 Jan 2022 06:34:47 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av24.portsmouth.uk.ibm.com (Postfix) with SMTP; Mon, 3 Jan 2022 06:34:46 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.33.19]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 665CD22017E; Mon, 3 Jan 2022 07:34:46 +0100 (CET) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 6/9] ppc/ppc405: Rework ppc_40x_timers_init() to use a PowerPCCPU Date: Mon, 3 Jan 2022 07:34:38 +0100 Message-Id: <20220103063441.3424853-7-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220103063441.3424853-1-clg@kaod.org> References: <20220103063441.3424853-1-clg@kaod.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -v_0Pi7pv2mA0C8C_rpq8Hdov-XBqhKu X-Proofpoint-ORIG-GUID: -v_0Pi7pv2mA0C8C_rpq8Hdov-XBqhKu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-03_02,2022-01-01_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 impostorscore=0 clxscore=1034 lowpriorityscore=0 mlxlogscore=752 priorityscore=1501 mlxscore=0 spamscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201030044 Received-SPF: softfail client-ip=148.163.156.1; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: 7 X-Spam_score: 0.7 X-Spam_bar: / X-Spam_report: (0.7 / 5.0 requ) SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , =?utf-8?q?C=C3=A9dric_?= =?utf-8?q?Le_Goater?= Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" This is a small cleanup to ease reading. It includes the removal of a check done on the returned value of g_malloc0(), which can not fail. Reviewed-by: Richard Henderson Signed-off-by: Cédric Le Goater Message-Id: <20211222064025.1541490-6-clg@kaod.org> Signed-off-by: Cédric Le Goater --- hw/ppc/ppc.c | 42 +++++++++++++++++++----------------------- 1 file changed, 19 insertions(+), 23 deletions(-) diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index cca99cb86f81..bb5bee9a3382 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -1124,14 +1124,12 @@ struct ppc40x_timer_t { /* Fixed interval timer */ static void cpu_4xx_fit_cb (void *opaque) { - PowerPCCPU *cpu; - CPUPPCState *env; + PowerPCCPU *cpu = opaque; + CPUPPCState *env = &cpu->env; ppc_tb_t *tb_env; ppc40x_timer_t *ppc40x_timer; uint64_t now, next; - env = opaque; - cpu = env_archcpu(env); tb_env = env->tb_env; ppc40x_timer = tb_env->opaque; now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); @@ -1193,13 +1191,11 @@ static void start_stop_pit (CPUPPCState *env, ppc_tb_t *tb_env, int is_excp) static void cpu_4xx_pit_cb (void *opaque) { - PowerPCCPU *cpu; - CPUPPCState *env; + PowerPCCPU *cpu = opaque; + CPUPPCState *env = &cpu->env; ppc_tb_t *tb_env; ppc40x_timer_t *ppc40x_timer; - env = opaque; - cpu = env_archcpu(env); tb_env = env->tb_env; ppc40x_timer = tb_env->opaque; env->spr[SPR_40x_TSR] |= 1 << 27; @@ -1216,14 +1212,12 @@ static void cpu_4xx_pit_cb (void *opaque) /* Watchdog timer */ static void cpu_4xx_wdt_cb (void *opaque) { - PowerPCCPU *cpu; - CPUPPCState *env; + PowerPCCPU *cpu = opaque; + CPUPPCState *env = &cpu->env; ppc_tb_t *tb_env; ppc40x_timer_t *ppc40x_timer; uint64_t now, next; - env = opaque; - cpu = env_archcpu(env); tb_env = env->tb_env; ppc40x_timer = tb_env->opaque; now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); @@ -1341,24 +1335,26 @@ clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq, { ppc_tb_t *tb_env; ppc40x_timer_t *ppc40x_timer; + PowerPCCPU *cpu = env_archcpu(env); + + trace_ppc40x_timers_init(freq); tb_env = g_malloc0(sizeof(ppc_tb_t)); + ppc40x_timer = g_malloc0(sizeof(ppc40x_timer_t)); + env->tb_env = tb_env; tb_env->flags = PPC_DECR_UNDERFLOW_TRIGGERED; - ppc40x_timer = g_malloc0(sizeof(ppc40x_timer_t)); tb_env->tb_freq = freq; tb_env->decr_freq = freq; tb_env->opaque = ppc40x_timer; - trace_ppc40x_timers_init(freq); - if (ppc40x_timer != NULL) { - /* We use decr timer for PIT */ - tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_pit_cb, env); - ppc40x_timer->fit_timer = - timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_fit_cb, env); - ppc40x_timer->wdt_timer = - timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_wdt_cb, env); - ppc40x_timer->decr_excp = decr_excp; - } + + /* We use decr timer for PIT */ + tb_env->decr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_pit_cb, cpu); + ppc40x_timer->fit_timer = + timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_fit_cb, cpu); + ppc40x_timer->wdt_timer = + timer_new_ns(QEMU_CLOCK_VIRTUAL, &cpu_4xx_wdt_cb, cpu); + ppc40x_timer->decr_excp = decr_excp; return &ppc_40x_set_tb_clk; }