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Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs |
Date: |
Tue, 3 Oct 2017 14:41:17 -0700 |
On Tue, Oct 3, 2017 at 1:36 PM, Eduardo Habkost <address@hidden> wrote:
> On Tue, Oct 03, 2017 at 01:05:13PM -0700, Alistair Francis wrote:
>> List all possible valid CPU options.
>>
>> Signed-off-by: Alistair Francis <address@hidden>
>> ---
>>
>> hw/arm/xlnx-zcu102.c | 10 ++++++++++
>> hw/arm/xlnx-zynqmp.c | 16 +++++++++-------
>> include/hw/arm/xlnx-zynqmp.h | 1 +
>> 3 files changed, 20 insertions(+), 7 deletions(-)
>>
>> diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
>> index 519a16ed98..039649e522 100644
>> --- a/hw/arm/xlnx-zcu102.c
>> +++ b/hw/arm/xlnx-zcu102.c
>> @@ -98,6 +98,8 @@ static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState
>> *machine)
>> object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
>> &error_abort);
>>
>> + object_property_set_str(OBJECT(&s->soc), machine->cpu_type, "cpu-type",
>> + &error_fatal);
>
> Do you have plans to support other CPU types to xlnx_zynqmp in
> the future? If not, I wouldn't bother adding the cpu-type
> property and the extra boilerplate code if it's always going to
> be set to cortex-a53.
No, it'll always be A53.
I did think of that, but I also wanted to use the new option! I also
think there is an advantage in sanely handling users '-cpu' option,
before now we just ignored it, so I think it still does give a
benefit. That'll be especially important on the Xilinx tree (sometimes
people use our machines with a different CPU to 'benchmark' or test
other CPUs with our CoSimulation setup). So I think it does make sense
to keep in.
Thanks,
Alistair
>
>
>> object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
>> "ddr-ram", &error_abort);
>> object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
>> @@ -160,6 +162,10 @@ static void xlnx_zynqmp_init(XlnxZCU102 *s,
>> MachineState *machine)
>> arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
>> }
>>
>> +const char *xlnx_zynqmp_valid_cpus[] = { ARM_CPU_TYPE_NAME("cortex-a53"),
>> + NULL
>> + };
>> +
>> static void xlnx_ep108_init(MachineState *machine)
>> {
>> XlnxZCU102 *s = EP108_MACHINE(machine);
>> @@ -185,6 +191,8 @@ static void xlnx_ep108_machine_class_init(ObjectClass
>> *oc, void *data)
>> mc->block_default_type = IF_IDE;
>> mc->units_per_default_bus = 1;
>> mc->ignore_memory_transaction_failures = true;
>> + mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a53");
>> + mc->valid_cpu_types = xlnx_zynqmp_valid_cpus;
>> }
>>
>> static const TypeInfo xlnx_ep108_machine_init_typeinfo = {
>> @@ -240,6 +248,8 @@ static void xlnx_zcu102_machine_class_init(ObjectClass
>> *oc, void *data)
>> mc->block_default_type = IF_IDE;
>> mc->units_per_default_bus = 1;
>> mc->ignore_memory_transaction_failures = true;
>> + mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a53");
>> + mc->valid_cpu_types = xlnx_zynqmp_valid_cpus;
>> }
>>
>> static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
>> diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
>> index 2b27daf51d..1bff099ec1 100644
>> --- a/hw/arm/xlnx-zynqmp.c
>> +++ b/hw/arm/xlnx-zynqmp.c
>> @@ -133,13 +133,6 @@ static void xlnx_zynqmp_init(Object *obj)
>> XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
>> int i;
>>
>> - for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
>> - object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
>> - "cortex-a53-" TYPE_ARM_CPU);
>> - object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]),
>> - &error_abort);
>> - }
>> -
>> object_initialize(&s->gic, sizeof(s->gic), gic_class_name());
>> qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default());
>>
>> @@ -187,6 +180,14 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error
>> **errp)
>> qemu_irq gic_spi[GIC_NUM_SPI_INTR];
>> Error *err = NULL;
>>
>> + /* We need to do this here to ensure the cpu_type property is set. */
>> + for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
>> + object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
>> + s->cpu_type);
>> + object_property_add_child(OBJECT(dev), "apu-cpu[*]",
>> OBJECT(&s->apu_cpu[i]),
>> + &error_abort);
>> + }
>> +
>> ram_size = memory_region_size(s->ddr_ram);
>>
>> /* Create the DDR Memory Regions. User friendly checks should happen at
>> @@ -425,6 +426,7 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error
>> **errp)
>> }
>>
>> static Property xlnx_zynqmp_props[] = {
>> + DEFINE_PROP_STRING("cpu-type", XlnxZynqMPState, cpu_type),
>> DEFINE_PROP_STRING("boot-cpu", XlnxZynqMPState, boot_cpu),
>> DEFINE_PROP_BOOL("secure", XlnxZynqMPState, secure, false),
>> DEFINE_PROP_BOOL("virtualization", XlnxZynqMPState, virt, false),
>> diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
>> index 6eff81a995..5afb8de11e 100644
>> --- a/include/hw/arm/xlnx-zynqmp.h
>> +++ b/include/hw/arm/xlnx-zynqmp.h
>> @@ -86,6 +86,7 @@ typedef struct XlnxZynqMPState {
>> XlnxDPState dp;
>> XlnxDPDMAState dpdma;
>>
>> + char *cpu_type;
>> char *boot_cpu;
>> ARMCPU *boot_cpu_ptr;
>>
>> --
>> 2.11.0
>>
>
> --
> Eduardo
- Re: [Qemu-devel] [PATCH v1 2/5] netduino2: Specify the valid CPUs, (continued)
[Qemu-devel] [PATCH v1 4/5] xilinx_zynq: : Specify the valid CPUs, Alistair Francis, 2017/10/03
[Qemu-devel] [PATCH v1 5/5] raspi: : Specify the valid CPUs, Alistair Francis, 2017/10/03
Message not available
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Eduardo Habkost, 2017/10/03
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs,
Alistair Francis <=
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Eduardo Habkost, 2017/10/03
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Igor Mammedov, 2017/10/04
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Eduardo Habkost, 2017/10/04
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Igor Mammedov, 2017/10/04
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Eduardo Habkost, 2017/10/04
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Alistair Francis, 2017/10/04
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Igor Mammedov, 2017/10/05
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Eduardo Habkost, 2017/10/05
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Igor Mammedov, 2017/10/06
- Re: [Qemu-devel] [PATCH v1 3/5] xlnx-zcu102: Specify the valid CPUs, Eduardo Habkost, 2017/10/06