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dino: move PCI bus master address space setup to dino_pcihost_realize() 

Add a new dino_pcihost_unrealize() function to remove the address space when the
device is unrealized.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-8-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2022-05-04 10:25:17 +01:00
parent 5ac6c43c85
commit 9cf69f444c
1 changed files with 20 additions and 5 deletions
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25
hw/hppa/dino.c
View File

@ -536,17 +536,27 @@ PCIBus *dino_init(MemoryRegion *addr_space,
memory_region_add_subregion(addr_space, DINO_HPA,
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0));
*p_rtc_irq = qemu_allocate_irq(dino_set_timer_irq, s, 0);
*p_ser_irq = qemu_allocate_irq(dino_set_serial_irq, s, 0);
return b;
}
static void dino_pcihost_realize(DeviceState *dev, Error **errp)
{
DinoState *s = DINO_PCI_HOST_BRIDGE(dev);
/* Set up PCI view of memory: Bus master address space. */
memory_region_init(&s->bm, OBJECT(s), "bm-dino", 4 * GiB);
memory_region_init_alias(&s->bm_ram_alias, OBJECT(s),
"bm-system", addr_space, 0,
"bm-system", s->memory_as, 0,
0xf0000000 + DINO_MEM_CHUNK_SIZE);
memory_region_init_alias(&s->bm_pci_alias, OBJECT(s),
"bm-pci", &s->pci_mem,
0xf0000000 + DINO_MEM_CHUNK_SIZE,
30 * DINO_MEM_CHUNK_SIZE);
memory_region_init_alias(&s->bm_cpu_alias, OBJECT(s),
"bm-cpu", addr_space, 0xfff00000,
"bm-cpu", s->memory_as, 0xfff00000,
0xfffff);
memory_region_add_subregion(&s->bm, 0,
&s->bm_ram_alias);
@ -555,12 +565,15 @@ PCIBus *dino_init(MemoryRegion *addr_space,
&s->bm_pci_alias);
memory_region_add_subregion(&s->bm, 0xfff00000,
&s->bm_cpu_alias);
address_space_init(&s->bm_as, &s->bm, "pci-bm");
}
*p_rtc_irq = qemu_allocate_irq(dino_set_timer_irq, s, 0);
*p_ser_irq = qemu_allocate_irq(dino_set_serial_irq, s, 0);
static void dino_pcihost_unrealize(DeviceState *dev)
{
DinoState *s = DINO_PCI_HOST_BRIDGE(dev);
return b;
address_space_destroy(&s->bm_as);
}
static void dino_pcihost_init(Object *obj)
@ -619,6 +632,8 @@ static void dino_pcihost_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = dino_pcihost_realize;
dc->unrealize = dino_pcihost_unrealize;
device_class_set_props(dc, dino_pcihost_properties);
dc->vmsd = &vmstate_dino;
}