diff mbox series

[v2,11/34] next-cube: move ESCC to be QOM child of next-pc device

Message ID 20241212114620.549285-12-mark.cave-ayland@ilande.co.uk (mailing list archive)
State New, archived
Headers show
Series next-cube: more tidy-ups and improvements | expand

Commit Message

Mark Cave-Ayland Dec. 12, 2024, 11:45 a.m. UTC
Since the ESCC is part of the next-pc device, move the ESCC to be a QOM child
of the next-pc device.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/m68k/next-cube.c | 54 ++++++++++++++++++++++-----------------------
 1 file changed, 26 insertions(+), 28 deletions(-)

Comments

Thomas Huth Dec. 14, 2024, 5:50 a.m. UTC | #1
Am Thu, 12 Dec 2024 11:45:57 +0000
schrieb Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>:

> Since the ESCC is part of the next-pc device, move the ESCC to be a QOM child
> of the next-pc device.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  hw/m68k/next-cube.c | 54 ++++++++++++++++++++++-----------------------
>  1 file changed, 26 insertions(+), 28 deletions(-)

Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Thomas Huth Dec. 14, 2024, 6:10 a.m. UTC | #2
Am Thu, 12 Dec 2024 11:45:57 +0000
schrieb Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>:

> Since the ESCC is part of the next-pc device, move the ESCC to be a QOM child
> of the next-pc device.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  hw/m68k/next-cube.c | 54 ++++++++++++++++++++++-----------------------
>  1 file changed, 26 insertions(+), 28 deletions(-)
> 
> diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
> index efbb11e74b..20a0b073e1 100644
> --- a/hw/m68k/next-cube.c
> +++ b/hw/m68k/next-cube.c
> @@ -124,6 +124,8 @@ struct NeXTPC {
>      qemu_irq scsi_reset;
>      qemu_irq scsi_dma;
>  
> +    ESCCState escc;
> +
>      NextRtc rtc;
>  };
>  
> @@ -978,31 +980,6 @@ static const MemoryRegionOps next_floppy_ops = {
>      .endianness = DEVICE_BIG_ENDIAN,
>  };
>  
> -static void next_escc_init(DeviceState *pcdev)
> -{
> -    NeXTPC *next_pc = NEXT_PC(pcdev);
> -    DeviceState *dev;
> -    SysBusDevice *s;
> -
> -    dev = qdev_new(TYPE_ESCC);
> -    qdev_prop_set_uint32(dev, "disabled", 0);
> -    qdev_prop_set_uint32(dev, "frequency", 9600 * 384);
> -    qdev_prop_set_uint32(dev, "it_shift", 0);
> -    qdev_prop_set_bit(dev, "bit_swap", true);
> -    qdev_prop_set_chr(dev, "chrB", serial_hd(1));
> -    qdev_prop_set_chr(dev, "chrA", serial_hd(0));
> -    qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
> -    qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
> -
> -    s = SYS_BUS_DEVICE(dev);
> -    sysbus_realize_and_unref(s, &error_fatal);
> -    sysbus_connect_irq(s, 0, qdev_get_gpio_in(pcdev, NEXT_SCC_I));
> -    sysbus_connect_irq(s, 1, qdev_get_gpio_in(pcdev, NEXT_SCC_DMA_I));
> -
> -    memory_region_add_subregion(&next_pc->scrmem, 0x18000,
> -                                sysbus_mmio_get_region(s, 0));
> -}
> -
>  static void next_pc_reset(DeviceState *dev)
>  {
>      NeXTPC *s = NEXT_PC(dev);
> @@ -1043,6 +1020,28 @@ static void next_pc_realize(DeviceState *dev, Error **errp)
>      /* Floppy */
>      memory_region_add_subregion(&s->scrmem, 0x14108,
>                                  &s->floppy_mem);
> +
> +    /* ESCC */
> +    d = DEVICE(object_resolve_path_component(OBJECT(dev), "escc"));

Can't you use s->escc directly here instead of taking the detour via
object_resolve_path_component() ?

 Thomas

> +    qdev_prop_set_uint32(d, "disabled", 0);
> +    qdev_prop_set_uint32(d, "frequency", 9600 * 384);
> +    qdev_prop_set_uint32(d, "it_shift", 0);
> +    qdev_prop_set_bit(d, "bit_swap", true);
> +    qdev_prop_set_chr(d, "chrB", serial_hd(1));
> +    qdev_prop_set_chr(d, "chrA", serial_hd(0));
> +    qdev_prop_set_uint32(d, "chnBtype", escc_serial);
> +    qdev_prop_set_uint32(d, "chnAtype", escc_serial);
> +
> +    sbd = SYS_BUS_DEVICE(d);
> +    if (!sysbus_realize(sbd, errp)) {
> +        return;
> +    }
> +    sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(dev, NEXT_SCC_I));
> +    sysbus_connect_irq(sbd, 1, qdev_get_gpio_in(dev, NEXT_SCC_DMA_I));
> +
> +    memory_region_add_subregion(&s->scrmem, 0x18000,
> +                                sysbus_mmio_get_region(sbd, 0));
> +
>  }
Philippe Mathieu-Daudé Dec. 14, 2024, 12:45 p.m. UTC | #3
On 14/12/24 07:10, Thomas Huth wrote:
> Am Thu, 12 Dec 2024 11:45:57 +0000
> schrieb Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>:
> 
>> Since the ESCC is part of the next-pc device, move the ESCC to be a QOM child
>> of the next-pc device.
>>
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
>> ---
>>   hw/m68k/next-cube.c | 54 ++++++++++++++++++++++-----------------------
>>   1 file changed, 26 insertions(+), 28 deletions(-)
>>
>> diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
>> index efbb11e74b..20a0b073e1 100644
>> --- a/hw/m68k/next-cube.c
>> +++ b/hw/m68k/next-cube.c
>> @@ -124,6 +124,8 @@ struct NeXTPC {
>>       qemu_irq scsi_reset;
>>       qemu_irq scsi_dma;
>>   
>> +    ESCCState escc;
>> +
>>       NextRtc rtc;
>>   };

>>   static void next_pc_reset(DeviceState *dev)
>>   {
>>       NeXTPC *s = NEXT_PC(dev);
>> @@ -1043,6 +1020,28 @@ static void next_pc_realize(DeviceState *dev, Error **errp)
>>       /* Floppy */
>>       memory_region_add_subregion(&s->scrmem, 0x14108,
>>                                   &s->floppy_mem);
>> +
>> +    /* ESCC */
>> +    d = DEVICE(object_resolve_path_component(OBJECT(dev), "escc"));
> 
> Can't you use s->escc directly here instead of taking the detour via
> object_resolve_path_component() ?

Indeed.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Mark Cave-Ayland Dec. 14, 2024, 9:32 p.m. UTC | #4
On 14/12/2024 06:10, Thomas Huth wrote:

> Am Thu, 12 Dec 2024 11:45:57 +0000
> schrieb Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>:
> 
>> Since the ESCC is part of the next-pc device, move the ESCC to be a QOM child
>> of the next-pc device.
>>
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
>> ---
>>   hw/m68k/next-cube.c | 54 ++++++++++++++++++++++-----------------------
>>   1 file changed, 26 insertions(+), 28 deletions(-)
>>
>> diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
>> index efbb11e74b..20a0b073e1 100644
>> --- a/hw/m68k/next-cube.c
>> +++ b/hw/m68k/next-cube.c
>> @@ -124,6 +124,8 @@ struct NeXTPC {
>>       qemu_irq scsi_reset;
>>       qemu_irq scsi_dma;
>>   
>> +    ESCCState escc;
>> +
>>       NextRtc rtc;
>>   };
>>   
>> @@ -978,31 +980,6 @@ static const MemoryRegionOps next_floppy_ops = {
>>       .endianness = DEVICE_BIG_ENDIAN,
>>   };
>>   
>> -static void next_escc_init(DeviceState *pcdev)
>> -{
>> -    NeXTPC *next_pc = NEXT_PC(pcdev);
>> -    DeviceState *dev;
>> -    SysBusDevice *s;
>> -
>> -    dev = qdev_new(TYPE_ESCC);
>> -    qdev_prop_set_uint32(dev, "disabled", 0);
>> -    qdev_prop_set_uint32(dev, "frequency", 9600 * 384);
>> -    qdev_prop_set_uint32(dev, "it_shift", 0);
>> -    qdev_prop_set_bit(dev, "bit_swap", true);
>> -    qdev_prop_set_chr(dev, "chrB", serial_hd(1));
>> -    qdev_prop_set_chr(dev, "chrA", serial_hd(0));
>> -    qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
>> -    qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
>> -
>> -    s = SYS_BUS_DEVICE(dev);
>> -    sysbus_realize_and_unref(s, &error_fatal);
>> -    sysbus_connect_irq(s, 0, qdev_get_gpio_in(pcdev, NEXT_SCC_I));
>> -    sysbus_connect_irq(s, 1, qdev_get_gpio_in(pcdev, NEXT_SCC_DMA_I));
>> -
>> -    memory_region_add_subregion(&next_pc->scrmem, 0x18000,
>> -                                sysbus_mmio_get_region(s, 0));
>> -}
>> -
>>   static void next_pc_reset(DeviceState *dev)
>>   {
>>       NeXTPC *s = NEXT_PC(dev);
>> @@ -1043,6 +1020,28 @@ static void next_pc_realize(DeviceState *dev, Error **errp)
>>       /* Floppy */
>>       memory_region_add_subregion(&s->scrmem, 0x14108,
>>                                   &s->floppy_mem);
>> +
>> +    /* ESCC */
>> +    d = DEVICE(object_resolve_path_component(OBJECT(dev), "escc"));
> 
> Can't you use s->escc directly here instead of taking the detour via
> object_resolve_path_component() ?

Indeed, its only there for the same reason as my previous email. I'll update it for v3.

>> +    qdev_prop_set_uint32(d, "disabled", 0);
>> +    qdev_prop_set_uint32(d, "frequency", 9600 * 384);
>> +    qdev_prop_set_uint32(d, "it_shift", 0);
>> +    qdev_prop_set_bit(d, "bit_swap", true);
>> +    qdev_prop_set_chr(d, "chrB", serial_hd(1));
>> +    qdev_prop_set_chr(d, "chrA", serial_hd(0));
>> +    qdev_prop_set_uint32(d, "chnBtype", escc_serial);
>> +    qdev_prop_set_uint32(d, "chnAtype", escc_serial);
>> +
>> +    sbd = SYS_BUS_DEVICE(d);
>> +    if (!sysbus_realize(sbd, errp)) {
>> +        return;
>> +    }
>> +    sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(dev, NEXT_SCC_I));
>> +    sysbus_connect_irq(sbd, 1, qdev_get_gpio_in(dev, NEXT_SCC_DMA_I));
>> +
>> +    memory_region_add_subregion(&s->scrmem, 0x18000,
>> +                                sysbus_mmio_get_region(sbd, 0));
>> +
>>   }
> 

ATB,

Mark.
diff mbox series

Patch

diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
index efbb11e74b..20a0b073e1 100644
--- a/hw/m68k/next-cube.c
+++ b/hw/m68k/next-cube.c
@@ -124,6 +124,8 @@  struct NeXTPC {
     qemu_irq scsi_reset;
     qemu_irq scsi_dma;
 
+    ESCCState escc;
+
     NextRtc rtc;
 };
 
@@ -978,31 +980,6 @@  static const MemoryRegionOps next_floppy_ops = {
     .endianness = DEVICE_BIG_ENDIAN,
 };
 
-static void next_escc_init(DeviceState *pcdev)
-{
-    NeXTPC *next_pc = NEXT_PC(pcdev);
-    DeviceState *dev;
-    SysBusDevice *s;
-
-    dev = qdev_new(TYPE_ESCC);
-    qdev_prop_set_uint32(dev, "disabled", 0);
-    qdev_prop_set_uint32(dev, "frequency", 9600 * 384);
-    qdev_prop_set_uint32(dev, "it_shift", 0);
-    qdev_prop_set_bit(dev, "bit_swap", true);
-    qdev_prop_set_chr(dev, "chrB", serial_hd(1));
-    qdev_prop_set_chr(dev, "chrA", serial_hd(0));
-    qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
-    qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
-
-    s = SYS_BUS_DEVICE(dev);
-    sysbus_realize_and_unref(s, &error_fatal);
-    sysbus_connect_irq(s, 0, qdev_get_gpio_in(pcdev, NEXT_SCC_I));
-    sysbus_connect_irq(s, 1, qdev_get_gpio_in(pcdev, NEXT_SCC_DMA_I));
-
-    memory_region_add_subregion(&next_pc->scrmem, 0x18000,
-                                sysbus_mmio_get_region(s, 0));
-}
-
 static void next_pc_reset(DeviceState *dev)
 {
     NeXTPC *s = NEXT_PC(dev);
@@ -1043,6 +1020,28 @@  static void next_pc_realize(DeviceState *dev, Error **errp)
     /* Floppy */
     memory_region_add_subregion(&s->scrmem, 0x14108,
                                 &s->floppy_mem);
+
+    /* ESCC */
+    d = DEVICE(object_resolve_path_component(OBJECT(dev), "escc"));
+    qdev_prop_set_uint32(d, "disabled", 0);
+    qdev_prop_set_uint32(d, "frequency", 9600 * 384);
+    qdev_prop_set_uint32(d, "it_shift", 0);
+    qdev_prop_set_bit(d, "bit_swap", true);
+    qdev_prop_set_chr(d, "chrB", serial_hd(1));
+    qdev_prop_set_chr(d, "chrA", serial_hd(0));
+    qdev_prop_set_uint32(d, "chnBtype", escc_serial);
+    qdev_prop_set_uint32(d, "chnAtype", escc_serial);
+
+    sbd = SYS_BUS_DEVICE(d);
+    if (!sysbus_realize(sbd, errp)) {
+        return;
+    }
+    sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(dev, NEXT_SCC_I));
+    sysbus_connect_irq(sbd, 1, qdev_get_gpio_in(dev, NEXT_SCC_DMA_I));
+
+    memory_region_add_subregion(&s->scrmem, 0x18000,
+                                sysbus_mmio_get_region(sbd, 0));
+
 }
 
 static void next_pc_init(Object *obj)
@@ -1064,6 +1063,8 @@  static void next_pc_init(Object *obj)
 
     memory_region_init_io(&s->floppy_mem, OBJECT(s), &next_floppy_ops, s,
                           "next.floppy", 4);
+
+    object_initialize_child(obj, "escc", &s->escc, TYPE_ESCC);
 }
 
 /*
@@ -1201,9 +1202,6 @@  static void next_cube_init(MachineState *machine)
         }
     }
 
-    /* Serial */
-    next_escc_init(pcdev);
-
     /* TODO: */
     /* Network */