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| author | Tim Harris <tharris@microsoft.com> | 2011-02-07 15:16:27 -0800 |
|---|---|---|
| committer | Tim Harris <tharris@microsoft.com> | 2011-02-07 15:16:27 -0800 |
| commit | 6da83b8a1b06e64a2fc7b14c5ad342188f082848 (patch) | |
| tree | a0a47392b06800cab5a7560faa2b7acdaf64bd21 | |
| parent | 2ea1aa8a4ff5b9096388af0ba400500a324b16a7 (diff) | |
| download | gem5-6da83b8a1b06e64a2fc7b14c5ad342188f082848.tar.xz | |
X86: Use all 64 bits of the lstar register in the SYSCALL_64 macroop.
During SYSCALL_64, use dataSize=8 when handling new rip (ref
http://www.intel.com/Assets/PDF/manual/253668.pdf 5.8.8 IA32_LSTAR is a 64-bit
address)
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/system_calls.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/system_calls.py b/src/arch/x86/isa/insts/general_purpose/system_calls.py index b015c82fc..d6f1a39bf 100644 --- a/src/arch/x86/isa/insts/general_purpose/system_calls.py +++ b/src/arch/x86/isa/insts/general_purpose/system_calls.py @@ -79,8 +79,8 @@ def macroop SYSCALL_64 wrattr ss, t4 # Set the new rip. - rdval t7, lstar - wrip t0, t7 + rdval t7, lstar, dataSize=8 + wrip t0, t7, dataSize=8 # Mask the flags against sf_mask and leave RF turned off. rdval t3, sf_mask, dataSize=8 |