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hw/dma/xlnx-zdma Always expect 'dma' link property to be set

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Simplify by always passing a MemoryRegion property to the device.
Doing so we can move the AddressSpace field to the device struct,
removing need for heap allocation.

Update the Xilinx ZynqMP / Versal SoC models to pass the default
system memory instead of a NULL value.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210819163422.2863447-5-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-08-19 18:34:22 +02:00 • committed by Peter Maydell
parent c31b7f5901
commit 783dbab19f
4 changed files with 23 additions and 13 deletions
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2
hw/arm/xlnx-versal.c
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@ -218,6 +218,8 @@ static void versal_create_admas(Versal *s, qemu_irq *pic)
TYPE_XLNX_ZDMA);
dev = DEVICE(&s->lpd.iou.adma[i]);
object_property_set_int(OBJECT(dev), "bus-width", 128, &error_abort);
object_property_set_link(OBJECT(dev), "dma",
OBJECT(get_system_memory()), &error_fatal);
sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);