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io_bus is split out into pio_bus and dma_bus so that any device

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can specify either independently.

python/m5/objects/Device.py:
    io_bus is split out into pio_bus and dma_bus so that any device
    can specify either independently.
    dma_bus defaults to point to whatever pio_bus uses.

--HG--
extra : convert_revision : d35d5374d0bf592f6b5df465c05203577b8b8763
This commit is contained in:
Nathan Binkert
2005-11-20 16:57:53 -05:00
parent ccae5838fd
commit 12d903a650
22 changed files with 117 additions and 118 deletions
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5
python/m5/objects/Device.py
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@@ -16,12 +16,13 @@ class FooPioDevice(FunctionalMemory):
abstract = True
addr = Param.Addr("Device Address")
mmu = Param.MemoryController(Parent.any, "Memory Controller")
io_bus = Param.Bus(NULL, "The IO Bus to attach to")
pio_bus = Param.Bus(NULL, "Bus to attach to for PIO")
pio_latency = Param.Tick(1, "Programmed IO latency in bus cycles")
class FooDmaDevice(FooPioDevice):
type = 'DmaDevice'
abstract = True
dma_bus = Param.Bus(Self.pio_bus, "Bus to attach to for DMA")
class PioDevice(FooPioDevice):
type = 'PioDevice'
@@ -31,4 +32,4 @@ class PioDevice(FooPioDevice):
class DmaDevice(PioDevice):
type = 'DmaDevice'
abstract = True
dma_bus = Param.Bus(Self.pio_bus, "Bus to attach to for DMA")