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authorAli Saidi <Ali.Saidi@arm.com>2010-08-23 11:18:39 -0500
committerAli Saidi <Ali.Saidi@arm.com>2010-08-23 11:18:39 -0500
commitf2642e205549efefb7391de32b189e94e5503ddc (patch)
treea3572aa1e56a3d76012cccb7cd3b679e197c1e8f /src/sim/system.hh
parentd4e83a400189ef91a5b0f444c9c99d443cc1a251 (diff)
downloadgem5-f2642e205549efefb7391de32b189e94e5503ddc.tar.xz
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.
Diffstat (limited to 'src/sim/system.hh')
-rw-r--r--src/sim/system.hh8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/sim/system.hh b/src/sim/system.hh
index eabbc8351..cc92bba09 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -126,6 +126,14 @@ class System : public SimObject
/** Entry point in the kernel to start at */
Addr kernelEntry;
+ /** Mask that should be anded for binary/symbol loading.
+ * 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.
+ */
+ Addr loadAddrMask;
+
#else
int page_ptr;