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-rw-r--r--configs/common/FSConfig.py23
1 files changed, 14 insertions, 9 deletions
diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py
index cf4c9b6f5..f1c905fd8 100644
--- a/configs/common/FSConfig.py
+++ b/configs/common/FSConfig.py
@@ -79,14 +79,14 @@ def makeLinuxAlphaSystem(mem_mode, mdesc = None):
return self
-def makeLinuxAlphaRubySystem(mem_mode, rubymem, mdesc = None):
+def makeLinuxAlphaRubySystem(mem_mode, phys_mem, mdesc = None):
class BaseTsunami(Tsunami):
ethernet = NSGigE(pci_bus=0, pci_dev=1, pci_func=0)
ide = IdeController(disks=[Parent.disk0, Parent.disk2],
pci_func=0, pci_dev=0, pci_bus=0)
- self = LinuxAlphaSystem(physmem = rubymem)
+ self = LinuxAlphaSystem(physmem = phys_mem)
if not mdesc:
# generic system
mdesc = SysConfig()
@@ -94,7 +94,14 @@ def makeLinuxAlphaRubySystem(mem_mode, rubymem, mdesc = None):
# Create pio bus to connect all device pio ports to rubymem's pio port
self.piobus = Bus(bus_id=0)
-
+
+ #
+ # Pio functional accesses from devices need direct access to memory
+ # RubyPort currently does support functional accesses. Therefore provide
+ # the piobus a direct connection to physical memory
+ #
+ self.piobus.port = phys_mem.port
+
self.disk0 = CowIdeDisk(driveID='master')
self.disk2 = CowIdeDisk(driveID='master')
self.disk0.childImage(mdesc.disk())
@@ -104,13 +111,11 @@ def makeLinuxAlphaRubySystem(mem_mode, rubymem, mdesc = None):
self.tsunami.ide.pio = self.piobus.port
self.tsunami.ethernet.pio = self.piobus.port
- # connect the dma ports directly to ruby dma ports
- self.tsunami.ide.dma = self.physmem.dma_port
- self.tsunami.ethernet.dma = self.physmem.dma_port
+ #
+ # store the dma devices for later connection to dma ruby ports
+ #
+ self.dma_devices = [self.tsunami.ide, self.tsunami.ethernet]
- # connect the pio bus to rubymem
- self.physmem.pio_port = self.piobus.port
-
self.simple_disk = SimpleDisk(disk=RawDiskImage(image_file = mdesc.disk(),
read_only = True))
self.intrctrl = IntrControl()