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author | Ali Saidi <Ali.Saidi@ARM.com> | 2010-06-02 12:58:13 -0500 |
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committer | Ali Saidi <Ali.Saidi@ARM.com> | 2010-06-02 12:58:13 -0500 |
commit | 5e6d28996ae80f2bd3afeadbb3454a9d1958e3a2 (patch) | |
tree | 8bf8082c864205dbd4b5f997161c42d1423bd413 /src/arch/arm/isa_traits.hh | |
parent | aec73ba6af62c8da66fb40e015671541708c1723 (diff) | |
download | gem5-5e6d28996ae80f2bd3afeadbb3454a9d1958e3a2.tar.xz |
ARM: Move PC mode bits around so they can be used for exectrace
Diffstat (limited to 'src/arch/arm/isa_traits.hh')
-rw-r--r-- | src/arch/arm/isa_traits.hh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/arch/arm/isa_traits.hh b/src/arch/arm/isa_traits.hh index 00c4c2932..4cffe3bec 100644 --- a/src/arch/arm/isa_traits.hh +++ b/src/arch/arm/isa_traits.hh @@ -121,6 +121,13 @@ namespace ArmISA // Memory accesses cannot be unaligned const bool HasUnalignedMemAcc = false; + + // These otherwise unused bits of the PC are used to select a mode + // like the J and T bits of the CPSR. + static const Addr PcJBitShift = 33; + static const Addr PcTBitShift = 34; + static const Addr PcModeMask = (ULL(1) << PcJBitShift) | + (ULL(1) << PcTBitShift); }; using namespace ArmISA; |