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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-02-27 09:25:43 -0800 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-02-27 09:25:43 -0800 |
| commit | c3d7d7ed0e3931d549a14ef8b32a1619861f3ef0 (patch) | |
| tree | 5543c1d011e2fffecfae59811b93c6036bfc0115 /src/arch/x86/isa | |
| parent | 5c1cc99d486870bb6942980474b535ec0917f85c (diff) | |
| download | gem5-c3d7d7ed0e3931d549a14ef8b32a1619861f3ef0.tar.xz | |
X86: Implement sysenter as a system call interface.
Diffstat (limited to 'src/arch/x86/isa')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 64920bcbd..c3fb5c19d 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -420,7 +420,11 @@ 0x1: Inst::RDTSC(); 0x2: Inst::RDMSR(); 0x3: rdpmc(); +#if FULL_SYSTEM 0x4: sysenter(); +#else + 0x4: SyscallInst::sysenter('xc->syscall(Rax)', IsSyscall); +#endif 0x5: sysexit(); 0x6: Inst::UD2(); 0x7: getsec(); |