changeset 9e11081542e4 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=9e11081542e4
description:
ARM: Do something predictable for an UNPREDICTABLE branch.
diffstat:
src/arch/arm/types.hh | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diffs (14 lines):
diff -r f440cdaf1c2d -r 9e11081542e4 src/arch/arm/types.hh
--- a/src/arch/arm/types.hh Thu Nov 11 11:58:09 2010 -0800
+++ b/src/arch/arm/types.hh Mon Nov 15 14:04:03 2010 -0600
@@ -333,6 +333,10 @@
nextThumb(false);
} else {
warn("Bad interworking branch address %#x.\n", newPC);
+ // This state is UNPREDICTABLE in the ARM architecture
+ // The easy thing to do is just mask off the bit and
+ // stay in the current mode, so we'll do that.
+ newPC &= ~mask(2);
}
}
npc(newPC);
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