Loader: Make the load address mask be a parameter of the system rather than a constant.

This allows one two different OS requirements for the same ISA to be handled.
Some OSes are compiled for a virtual address and need to be loaded into physical
memory that starts at address 0, while other bare metal tools generate
images that start at address 0.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/sim/System.py b/src/sim/System.py
index 06a54a78d..5cf46ad75 100644
--- a/src/sim/System.py
+++ b/src/sim/System.py
@@ -50,3 +50,5 @@ class System(SimObject):
         kernel = Param.String("", "file that contains the kernel code")
         readfile = Param.String("", "file to read startup script from")
         symbolfile = Param.String("", "file to get the symbols from")
+        load_addr_mask = Param.UInt64(0xffffffffff,
+                "Address to mask loading binaries with");