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dma/rc4030: use AddressSpace and address_space_rw in users

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Now that rc4030 internally uses an AddressSpace for DMA handling, make its root
memory region public. This is especially usefull for dp8393x netcard, which now
uses well known QEMU types and methods.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Hervé Poussineau 2015-06-03 22:45:37 +02:00 • committed by Leon Alrae
parent a3d586f704
commit dd8205130b
4 changed files with 42 additions and 50 deletions
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15
hw/dma/rc4030.c
View file

@ -776,13 +776,6 @@ static void rc4030_save(QEMUFile *f, void *opaque)
qemu_put_be32(f, s->itr);
}
void rc4030_dma_memory_rw(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write)
{
rc4030State *s = opaque;
address_space_rw(&s->dma_as, addr, MEMTXATTRS_UNSPECIFIED, buf, len,
is_write);
}
static void rc4030_do_dma(void *opaque, int n, uint8_t *buf, int len, int is_write)
{
rc4030State *s = opaque;
@ -869,9 +862,9 @@ static rc4030_dma *rc4030_allocate_dmas(void *opaque, int n)
return s;
}
void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
qemu_irq **irqs, rc4030_dma **dmas,
MemoryRegion *sysmem)
MemoryRegion *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
qemu_irq **irqs, rc4030_dma **dmas,
MemoryRegion *sysmem)
{
rc4030State *s;
int i;
@ -910,5 +903,5 @@ void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus,
&s->dma_mrs[i]);
}
address_space_init(&s->dma_as, &s->dma_mr, "rc4030-dma");
return s;
return &s->dma_mr;
}