All the mail mirrored from lore.kernel.org
 help / color / mirror / Atom feed
From: "Cédric Le Goater" <clg@kaod.org>
To: qemu-ppc@nongnu.org
Cc: "Daniel Henrique Barboza" <danielhb413@gmail.com>,
	qemu-devel@nongnu.org, "BALATON Zoltan" <balaton@eik.bme.hu>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Cédric Le Goater" <clg@kaod.org>
Subject: [PATCH v4 07/24] ppc/ppc405: QOM'ify CPU
Date: Tue,  9 Aug 2022 17:38:47 +0200	[thread overview]
Message-ID: <20220809153904.485018-8-clg@kaod.org> (raw)
In-Reply-To: <20220809153904.485018-1-clg@kaod.org>

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 <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 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;
-- 
2.37.1



  parent reply	other threads:[~2022-08-09 15:53 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-09 15:38 [PATCH v4 00/24] ppc: QOM'ify 405 board Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 01/24] ppc/ppc405: Remove taihu machine Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 02/24] ppc/ppc405: Introduce a PPC405 generic machine Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 03/24] ppc/ppc405: Move devices under the ref405ep machine Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 04/24] ppc/ppc405: Move SRAM " Cédric Le Goater
2022-08-09 16:53   ` BALATON Zoltan
2022-08-09 17:42     ` Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 05/24] ppc/ppc405: Introduce a PPC405 SoC Cédric Le Goater
2022-08-09 16:59   ` BALATON Zoltan
2022-08-09 15:38 ` [PATCH v4 06/24] ppc/ppc405: Start QOMification of the SoC Cédric Le Goater
2022-08-09 17:12   ` BALATON Zoltan
2022-08-09 15:38 ` Cédric Le Goater [this message]
2022-08-09 17:15   ` [PATCH v4 07/24] ppc/ppc405: QOM'ify CPU BALATON Zoltan
2022-08-09 17:39   ` BALATON Zoltan
2022-08-09 15:38 ` [PATCH v4 08/24] ppc/ppc4xx: Introduce a DCR device model Cédric Le Goater
2022-08-09 17:21   ` BALATON Zoltan
2022-08-10 12:38     ` Cédric Le Goater
2022-08-10 13:28       ` BALATON Zoltan
2022-08-10 13:57         ` Cédric Le Goater
2022-08-10 14:48           ` BALATON Zoltan
2022-08-11  7:09             ` Cédric Le Goater
2022-08-11 11:39               ` BALATON Zoltan
2022-08-11 12:20                 ` Cédric Le Goater
2022-08-11 21:55                   ` BALATON Zoltan
2022-08-09 15:38 ` [PATCH v4 09/24] ppc/ppc405: QOM'ify CPC Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 10/24] ppc/ppc405: QOM'ify GPT Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 11/24] ppc/ppc405: QOM'ify OCM Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 12/24] ppc/ppc405: QOM'ify GPIO Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 13/24] ppc/ppc405: QOM'ify DMA Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 14/24] ppc/ppc405: QOM'ify EBC Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 15/24] ppc/ppc405: QOM'ify OPBA Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 16/24] ppc/ppc405: QOM'ify POB Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 17/24] ppc/ppc405: QOM'ify PLB Cédric Le Goater
2022-08-09 15:38 ` [PATCH v4 18/24] ppc/ppc405: QOM'ify MAL Cédric Le Goater
2022-08-09 17:34   ` BALATON Zoltan
2022-08-10  6:17     ` Cédric Le Goater
2022-08-10 21:35   ` BALATON Zoltan
2022-08-09 15:38 ` [PATCH v4 19/24] ppc/ppc405: QOM'ify FPGA Cédric Le Goater
2022-08-09 17:37   ` BALATON Zoltan
2022-08-10  6:22     ` Cédric Le Goater
2022-08-10 11:40       ` BALATON Zoltan
2022-08-10 17:22     ` Daniel Henrique Barboza
2022-08-10 17:32       ` BALATON Zoltan
2022-08-09 15:39 ` [PATCH v4 20/24] ppc/ppc405: Use an embedded PPCUIC model in SoC state Cédric Le Goater
2022-08-09 17:40   ` BALATON Zoltan
2022-08-09 15:39 ` [PATCH v4 21/24] ppc/ppc405: Use an explicit I2C object Cédric Le Goater
2022-08-09 17:45   ` BALATON Zoltan
2022-08-09 15:39 ` [PATCH v4 22/24] ppc/ppc4xx: Fix sdram trace events Cédric Le Goater
2022-08-09 17:47   ` BALATON Zoltan
2022-08-09 15:39 ` [PATCH v4 23/24] ppc/ppc405: QOM'ify SDRAM Cédric Le Goater
2022-08-09 17:53   ` BALATON Zoltan
2022-08-10  6:26     ` Cédric Le Goater
2022-08-10 11:39       ` BALATON Zoltan
2022-08-09 15:39 ` [PATCH v4 24/24] ppc/ppc405: Add check on minimum RAM size Cédric Le Goater
2022-08-09 17:55   ` BALATON Zoltan
2022-08-10  6:24     ` Cédric Le Goater
2022-08-11  8:24 ` [PATCH v4 00/24] ppc: QOM'ify 405 board Daniel Henrique Barboza
2022-08-11  8:33   ` Cédric Le Goater

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220809153904.485018-8-clg@kaod.org \
    --to=clg@kaod.org \
    --cc=balaton@eik.bme.hu \
    --cc=danielhb413@gmail.com \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-ppc@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.