X86: Implement the fence instructions. These are not microcoded.

2009-02-25 10:19:41 -08:00
parent 9940e21fa9
commit d48214a656
1 changed files with 6 additions and 3 deletions
--- 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 {