From patchwork Tue Aug 9 15:38:47 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: 1664955 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-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-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4M2Hcq0Sywz9s5W for ; Wed, 10 Aug 2022 01:51:53 +1000 (AEST) Received: from localhost ([::1]:41096 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oLRWI-0004Jl-Af for incoming@patchwork.ozlabs.org; Tue, 09 Aug 2022 11:51:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57654) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLRKR-00048r-4j; Tue, 09 Aug 2022 11:39:35 -0400 Received: from mail.ozlabs.org ([2404:9400:2221:ea00::3]:58291 helo=gandalf.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLRKO-0004Ne-PX; Tue, 09 Aug 2022 11:39:34 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4M2HLV3KcPz4xV3; Wed, 10 Aug 2022 01:39:30 +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 4M2HLS2ycxz4xTv; Wed, 10 Aug 2022 01:39:28 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-ppc@nongnu.org Cc: Daniel Henrique Barboza , qemu-devel@nongnu.org, BALATON Zoltan , Peter Maydell , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v4 07/24] ppc/ppc405: QOM'ify CPU Date: Tue, 9 Aug 2022 17:38:47 +0200 Message-Id: <20220809153904.485018-8-clg@kaod.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220809153904.485018-1-clg@kaod.org> References: <20220809153904.485018-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2404:9400:2221:ea00::3; envelope-from=SRS0=uImW=YN=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-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" Drop the use of ppc4xx_init() and duplicate a bit of code related to clocks in the SoC realize routine. We will clean that up in the following patches. ppc_dcr_init() simply allocates default DCR handlers for the CPU. Maybe this could be done in model initializer of the CPU families needing it. Reviewed-by: Daniel Henrique Barboza Signed-off-by: Cédric Le Goater Reviewed-by: BALATON Zoltan --- hw/ppc/ppc405.h | 2 +- include/hw/ppc/ppc4xx.h | 5 ----- hw/ppc/ppc405_boards.c | 2 +- hw/ppc/ppc405_uc.c | 40 ++++++++++++++++++++++++++++++---------- hw/ppc/ppc4xx_devs.c | 32 -------------------------------- 5 files changed, 32 insertions(+), 49 deletions(-) diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index dc862bc8614c..8cc76cc8b3fe 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -79,7 +79,7 @@ struct Ppc405SoCState { hwaddr ram_size; uint32_t sysclk; - PowerPCCPU *cpu; + PowerPCCPU cpu; DeviceState *uic; }; diff --git a/include/hw/ppc/ppc4xx.h b/include/hw/ppc/ppc4xx.h index 980f964b5a91..591e2421a343 100644 --- a/include/hw/ppc/ppc4xx.h +++ b/include/hw/ppc/ppc4xx.h @@ -28,11 +28,6 @@ #include "hw/ppc/ppc.h" #include "exec/memory.h" -/* PowerPC 4xx core initialization */ -PowerPCCPU *ppc4xx_init(const char *cpu_model, - clk_setup_t *cpu_clk, clk_setup_t *tb_clk, - uint32_t sysclk); - void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks, MemoryRegion ram_memories[], hwaddr ram_bases[], hwaddr ram_sizes[], diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c index b93e85b5d9bd..3677793adc75 100644 --- a/hw/ppc/ppc405_boards.c +++ b/hw/ppc/ppc405_boards.c @@ -313,7 +313,7 @@ static void ppc405_init(MachineState *machine) /* Load ELF kernel and rootfs.cpio */ } else if (kernel_filename && !machine->firmware) { - boot_from_kernel(machine, ppc405->soc.cpu); + boot_from_kernel(machine, &ppc405->soc.cpu); } } diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index c05ab604367d..14a525b2eb74 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -1432,22 +1432,41 @@ static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8], #endif } +static void ppc405_soc_instance_init(Object *obj) +{ + Ppc405SoCState *s = PPC405_SOC(obj); + + object_initialize_child(obj, "cpu", &s->cpu, + POWERPC_CPU_TYPE_NAME("405ep")); +} + +static void ppc405_reset(void *opaque) +{ + cpu_reset(CPU(opaque)); +} + static void ppc405_soc_realize(DeviceState *dev, Error **errp) { Ppc405SoCState *s = PPC405_SOC(dev); - clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup; + clk_setup_t clk_setup[PPC405EP_CLK_NB]; qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4]; CPUPPCState *env; memset(clk_setup, 0, sizeof(clk_setup)); /* init CPUs */ - s->cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405ep"), - &clk_setup[PPC405EP_CPU_CLK], - &tlb_clk_setup, s->sysclk); - env = &s->cpu->env; - clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb; - clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque; + if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) { + return; + } + qemu_register_reset(ppc405_reset, &s->cpu); + + env = &s->cpu.env; + + clk_setup[PPC405EP_CPU_CLK].cb = + ppc_40x_timers_init(env, s->sysclk, PPC_INTERRUPT_PIT); + clk_setup[PPC405EP_CPU_CLK].opaque = env; + + ppc_dcr_init(env, NULL, NULL); /* CPU control */ ppc405ep_cpc_init(env, clk_setup, s->sysclk); @@ -1464,16 +1483,16 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) /* Universal interrupt controller */ s->uic = qdev_new(TYPE_PPC_UIC); - object_property_set_link(OBJECT(s->uic), "cpu", OBJECT(s->cpu), + object_property_set_link(OBJECT(s->uic), "cpu", OBJECT(&s->cpu), &error_fatal); if (!sysbus_realize(SYS_BUS_DEVICE(s->uic), errp)) { return; } sysbus_connect_irq(SYS_BUS_DEVICE(s->uic), PPCUIC_OUTPUT_INT, - qdev_get_gpio_in(DEVICE(s->cpu), PPC40x_INPUT_INT)); + qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_INT)); sysbus_connect_irq(SYS_BUS_DEVICE(s->uic), PPCUIC_OUTPUT_CINT, - qdev_get_gpio_in(DEVICE(s->cpu), PPC40x_INPUT_CINT)); + qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_CINT)); /* SDRAM controller */ /* XXX 405EP has no ECC interrupt */ @@ -1563,6 +1582,7 @@ static const TypeInfo ppc405_types[] = { .name = TYPE_PPC405_SOC, .parent = TYPE_DEVICE, .instance_size = sizeof(Ppc405SoCState), + .instance_init = ppc405_soc_instance_init, .class_init = ppc405_soc_class_init, } }; diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c index 737c0896b4f8..069b51195160 100644 --- a/hw/ppc/ppc4xx_devs.c +++ b/hw/ppc/ppc4xx_devs.c @@ -37,38 +37,6 @@ #include "qapi/error.h" #include "trace.h" -static void ppc4xx_reset(void *opaque) -{ - PowerPCCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -/*****************************************************************************/ -/* Generic PowerPC 4xx processor instantiation */ -PowerPCCPU *ppc4xx_init(const char *cpu_type, - clk_setup_t *cpu_clk, clk_setup_t *tb_clk, - uint32_t sysclk) -{ - PowerPCCPU *cpu; - CPUPPCState *env; - - /* init CPUs */ - cpu = POWERPC_CPU(cpu_create(cpu_type)); - env = &cpu->env; - - cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */ - cpu_clk->opaque = env; - /* Set time-base frequency to sysclk */ - tb_clk->cb = ppc_40x_timers_init(env, sysclk, PPC_INTERRUPT_PIT); - tb_clk->opaque = env; - ppc_dcr_init(env, NULL, NULL); - /* Register qemu callbacks */ - qemu_register_reset(ppc4xx_reset, cpu); - - return cpu; -} - /*****************************************************************************/ /* SDRAM controller */ typedef struct ppc4xx_sdram_t ppc4xx_sdram_t;