X86: Implement sysenter as a system call interface.

2009-02-27 09:25:43 -08:00 · 2009-02-27 09:25:43 -08:00 · c3d7d7ed0e
commit c3d7d7ed0e
parent 5c1cc99d48
1 changed files with 4 additions and 0 deletions
--- 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();