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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-02-25 10:19:41 -0800 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-02-25 10:19:41 -0800 |
| commit | d48214a6560049643f39873a533f27d5c8895a4e (patch) | |
| tree | 67e359ea09096a4061e1ca025c829f33922f3ddf /src/arch | |
| parent | 9940e21fa98950c477c0fb7488376005b2ca71df (diff) | |
| download | gem5-d48214a6560049643f39873a533f27d5c8895a4e.tar.xz | |
X86: Implement the fence instructions. These are not microcoded.
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index a0a08df8f..edacf5bcb 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -831,9 +831,12 @@ //0x6: group16(); 0x6: decode MODRM_MOD { 0x3: decode MODRM_REG { - 0x5: lfence(); - 0x6: mfence(); - 0x7: sfence(); + 0x5: BasicOperate::LFENCE( + {{/*Nothing*/}}, IsReadBarrier); + 0x6: BasicOperate::MFENCE( + {{/*Nothing*/}}, IsMemBarrier); + 0x7: BasicOperate::SFENCE( + {{/*Nothing*/}}, IsWriteBarrier); default: Inst::UD2(); } default: decode MODRM_REG { |