Curtis Dunham has submitted this change and it was merged. (
https://gem5-review.googlesource.com/5964 )
Change subject: arm: DT autogeneration - Generate memory node
......................................................................
arm: DT autogeneration - Generate memory node
Implements a high level method for generating a Device Tree node for
an AbstractMemory object.
Change-Id: I544ec642f182f103df26de535fdfaf03b3787a08
Reviewed-by: Andreas Sandberg <andreas.sandb...@arm.com>
Reviewed-by: Curtis Dunham <curtis.dun...@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/5964
Maintainer: Andreas Sandberg <andreas.sandb...@arm.com>
---
M src/arch/arm/ArmSystem.py
1 file changed, 12 insertions(+), 0 deletions(-)
Approvals:
Andreas Sandberg: Looks good to me, approved; Looks good to me, approved
diff --git a/src/arch/arm/ArmSystem.py b/src/arch/arm/ArmSystem.py
index 245ac55..f76140b 100644
--- a/src/arch/arm/ArmSystem.py
+++ b/src/arch/arm/ArmSystem.py
@@ -88,10 +88,22 @@
# creating a node called '/' which will then be merged with the
# root instead of appended.
+ def generateMemNode(mem_range):
+ node = FdtNode("memory@%x" % long(mem_range.start))
+ node.append(FdtPropertyStrings("device_type", ["memory"]))
+ node.append(FdtPropertyWords("reg",
+ state.addrCells(mem_range.start) +
+ state.sizeCells(mem_range.size()) ))
+ return node
+
root = FdtNode('/')
root.append(state.addrCellsProperty())
root.append(state.sizeCellsProperty())
+ # Add memory nodes
+ for mem_range in self.mem_ranges:
+ root.append(generateMemNode(mem_range))
+
for node in self.recurseDeviceTree(state):
# Merge root nodes instead of adding them (for children
# that need to add multiple root level nodes)
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I544ec642f182f103df26de535fdfaf03b3787a08
Gerrit-Change-Number: 5964
Gerrit-PatchSet: 5
Gerrit-Owner: Curtis Dunham <curtis.dun...@arm.com>
Gerrit-Reviewer: Andreas Sandberg <andreas.sandb...@arm.com>
Gerrit-Reviewer: Curtis Dunham <curtis.dun...@arm.com>
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