[PATCH 21/21] hw: Add QOM parentship relation with CPUs

Philippe Mathieu-Daudé posted 21 patches 8 months, 2 weeks ago
Maintainers: Peter Maydell <peter.maydell@linaro.org>, Jan Kiszka <jan.kiszka@web.de>, Paolo Bonzini <pbonzini@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Alistair Francis <alistair@alistair23.me>, Richard Henderson <richard.henderson@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Vikram Garhwal <fnu.vikram@xilinx.com>, Francisco Iglesias <francisco.iglesias@amd.com>, Jason Wang <jasowang@redhat.com>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, "Hervé Poussineau" <hpoussin@reactos.org>, "Cédric Le Goater" <clg@kaod.org>, Nicholas Piggin <npiggin@gmail.com>, "Frédéric Barrat" <fbarrat@linux.ibm.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Harsh Prateek Bora <harshpb@linux.ibm.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Gerd Hoffmann <kraxel@redhat.com>, Samuel Thibault <samuel.thibault@ens-lyon.org>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Max Filippov <jcmvbkbc@gmail.com>
[PATCH 21/21] hw: Add QOM parentship relation with CPUs
Posted by Philippe Mathieu-Daudé 8 months, 2 weeks ago
QDev objects created with object_new() need to manually add
their parent relationship with object_property_add_child().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/i386/x86.c                            | 1 +
 hw/microblaze/petalogix_ml605_mmu.c      | 1 +
 hw/microblaze/petalogix_s3adsp1800_mmu.c | 1 +
 hw/mips/cps.c                            | 1 +
 hw/nios2/10m50_devboard.c                | 1 +
 hw/ppc/e500.c                            | 1 +
 hw/ppc/spapr.c                           | 1 +
 7 files changed, 7 insertions(+)

diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 684dce90e9..7021419d91 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -102,6 +102,7 @@ void x86_cpu_new(X86MachineState *x86ms, int64_t apic_id, Error **errp)
     if (!object_property_set_uint(cpu, "apic-id", apic_id, errp)) {
         goto out;
     }
+    object_property_add_child(OBJECT(x86ms), "cpu[*]", OBJECT(cpu));
     qdev_realize(DEVICE(cpu), NULL, errp);
 
 out:
diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
index 0f5fabc32e..dfd881322d 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -83,6 +83,7 @@ petalogix_ml605_init(MachineState *machine)
 
     /* init CPUs */
     cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
+    object_property_add_child(OBJECT(machine), "cpu", OBJECT(cpu));
     object_property_set_str(OBJECT(cpu), "version", "8.10.a", &error_abort);
     /* Use FPU but don't use floating point conversion and square
      * root instructions
diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c
index dad46bd7f9..255d8d4d47 100644
--- a/hw/microblaze/petalogix_s3adsp1800_mmu.c
+++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c
@@ -70,6 +70,7 @@ petalogix_s3adsp1800_init(MachineState *machine)
     MemoryRegion *sysmem = get_system_memory();
 
     cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
+    object_property_add_child(OBJECT(machine), "cpu", OBJECT(cpu));
     object_property_set_str(OBJECT(cpu), "version", "7.10.d", &error_abort);
     qdev_realize(DEVICE(cpu), NULL, &error_abort);
 
diff --git a/hw/mips/cps.c b/hw/mips/cps.c
index 07b73b0a1f..6b4e918807 100644
--- a/hw/mips/cps.c
+++ b/hw/mips/cps.c
@@ -84,6 +84,7 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
         /* All cores use the same clock tree */
         qdev_connect_clock_in(DEVICE(cpu), "clk-in", s->clock);
 
+        object_property_add_child(OBJECT(dev), "cpu[*]", OBJECT(cpu));
         if (!qdev_realize_and_unref(DEVICE(cpu), NULL, errp)) {
             return;
         }
diff --git a/hw/nios2/10m50_devboard.c b/hw/nios2/10m50_devboard.c
index 6cb32f777b..f6a691d340 100644
--- a/hw/nios2/10m50_devboard.c
+++ b/hw/nios2/10m50_devboard.c
@@ -95,6 +95,7 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
     cpu->exception_addr = 0xc8000120;
     cpu->fast_tlb_miss_addr = 0xc0000100;
 
+    object_property_add_child(OBJECT(machine), "cpu", OBJECT(cpu));
     qdev_realize_and_unref(DEVICE(cpu), NULL, &error_fatal);
 
     if (nms->vic) {
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 3bd12b54ab..77b7d2858c 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -956,6 +956,7 @@ void ppce500_init(MachineState *machine)
          */
         object_property_set_bool(OBJECT(cs), "start-powered-off", i != 0,
                                  &error_abort);
+        object_property_add_child(OBJECT(machine), "cpu[*]", OBJECT(cpu));
         qdev_realize_and_unref(DEVICE(cs), NULL, &error_fatal);
 
         if (!firstenv) {
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 0d72d286d8..b6e5caa0d2 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2715,6 +2715,7 @@ static void spapr_init_cpus(SpaprMachineState *spapr)
                                     &error_fatal);
             object_property_set_int(core, CPU_CORE_PROP_CORE_ID, core_id,
                                     &error_fatal);
+            object_property_add_child(OBJECT(spapr), "cpu[*]", OBJECT(core));
             qdev_realize(DEVICE(core), NULL, &error_fatal);
 
             object_unref(core);
-- 
2.41.0


Re: [PATCH 21/21] hw: Add QOM parentship relation with CPUs
Posted by Zhao Liu 8 months, 1 week ago
On Fri, Feb 16, 2024 at 12:03:12PM +0100, Philippe Mathieu-Daudé wrote:
> Date: Fri, 16 Feb 2024 12:03:12 +0100
> From: Philippe Mathieu-Daudé <philmd@linaro.org>
> Subject: [PATCH 21/21] hw: Add QOM parentship relation with CPUs
> X-Mailer: git-send-email 2.41.0
> 
> QDev objects created with object_new() need to manually add
> their parent relationship with object_property_add_child().
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>  hw/i386/x86.c                            | 1 +
>  hw/microblaze/petalogix_ml605_mmu.c      | 1 +
>  hw/microblaze/petalogix_s3adsp1800_mmu.c | 1 +
>  hw/mips/cps.c                            | 1 +
>  hw/nios2/10m50_devboard.c                | 1 +
>  hw/ppc/e500.c                            | 1 +
>  hw/ppc/spapr.c                           | 1 +
>  7 files changed, 7 insertions(+)

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>

> 
> diff --git a/hw/i386/x86.c b/hw/i386/x86.c
> index 684dce90e9..7021419d91 100644
> --- a/hw/i386/x86.c
> +++ b/hw/i386/x86.c
> @@ -102,6 +102,7 @@ void x86_cpu_new(X86MachineState *x86ms, int64_t apic_id, Error **errp)
>      if (!object_property_set_uint(cpu, "apic-id", apic_id, errp)) {
>          goto out;
>      }
> +    object_property_add_child(OBJECT(x86ms), "cpu[*]", OBJECT(cpu));
>      qdev_realize(DEVICE(cpu), NULL, errp);
>  
>  out:
> diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
> index 0f5fabc32e..dfd881322d 100644
> --- a/hw/microblaze/petalogix_ml605_mmu.c
> +++ b/hw/microblaze/petalogix_ml605_mmu.c
> @@ -83,6 +83,7 @@ petalogix_ml605_init(MachineState *machine)
>  
>      /* init CPUs */
>      cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
> +    object_property_add_child(OBJECT(machine), "cpu", OBJECT(cpu));
>      object_property_set_str(OBJECT(cpu), "version", "8.10.a", &error_abort);
>      /* Use FPU but don't use floating point conversion and square
>       * root instructions
> diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c
> index dad46bd7f9..255d8d4d47 100644
> --- a/hw/microblaze/petalogix_s3adsp1800_mmu.c
> +++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c
> @@ -70,6 +70,7 @@ petalogix_s3adsp1800_init(MachineState *machine)
>      MemoryRegion *sysmem = get_system_memory();
>  
>      cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
> +    object_property_add_child(OBJECT(machine), "cpu", OBJECT(cpu));
>      object_property_set_str(OBJECT(cpu), "version", "7.10.d", &error_abort);
>      qdev_realize(DEVICE(cpu), NULL, &error_abort);
>  
> diff --git a/hw/mips/cps.c b/hw/mips/cps.c
> index 07b73b0a1f..6b4e918807 100644
> --- a/hw/mips/cps.c
> +++ b/hw/mips/cps.c
> @@ -84,6 +84,7 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
>          /* All cores use the same clock tree */
>          qdev_connect_clock_in(DEVICE(cpu), "clk-in", s->clock);
>  
> +        object_property_add_child(OBJECT(dev), "cpu[*]", OBJECT(cpu));
>          if (!qdev_realize_and_unref(DEVICE(cpu), NULL, errp)) {
>              return;
>          }
> diff --git a/hw/nios2/10m50_devboard.c b/hw/nios2/10m50_devboard.c
> index 6cb32f777b..f6a691d340 100644
> --- a/hw/nios2/10m50_devboard.c
> +++ b/hw/nios2/10m50_devboard.c
> @@ -95,6 +95,7 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
>      cpu->exception_addr = 0xc8000120;
>      cpu->fast_tlb_miss_addr = 0xc0000100;
>  
> +    object_property_add_child(OBJECT(machine), "cpu", OBJECT(cpu));
>      qdev_realize_and_unref(DEVICE(cpu), NULL, &error_fatal);
>  
>      if (nms->vic) {
> diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
> index 3bd12b54ab..77b7d2858c 100644
> --- a/hw/ppc/e500.c
> +++ b/hw/ppc/e500.c
> @@ -956,6 +956,7 @@ void ppce500_init(MachineState *machine)
>           */
>          object_property_set_bool(OBJECT(cs), "start-powered-off", i != 0,
>                                   &error_abort);
> +        object_property_add_child(OBJECT(machine), "cpu[*]", OBJECT(cpu));
>          qdev_realize_and_unref(DEVICE(cs), NULL, &error_fatal);
>  
>          if (!firstenv) {
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 0d72d286d8..b6e5caa0d2 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -2715,6 +2715,7 @@ static void spapr_init_cpus(SpaprMachineState *spapr)
>                                      &error_fatal);
>              object_property_set_int(core, CPU_CORE_PROP_CORE_ID, core_id,
>                                      &error_fatal);
> +            object_property_add_child(OBJECT(spapr), "cpu[*]", OBJECT(core));
>              qdev_realize(DEVICE(core), NULL, &error_fatal);
>  
>              object_unref(core);
> -- 
> 2.41.0
> 
>