; Copyright (c) 2015-2017, Intel Corporation ; ; Redistribution and use in source and binary forms, with or without ; modification, are permitted provided that the following conditions are met: ; ; * Redistributions of source code must retain the above copyright notice, ; this list of conditions and the following disclaimer. ; * Redistributions in binary form must reproduce the above copyright notice, ; this list of conditions and the following disclaimer in the documentation ; and/or other materials provided with the distribution. ; * Neither the name of Intel Corporation nor the names of its contributors ; may be used to endorse or promote products derived from this software ; without specific prior written permission. ; ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ; ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ; POSSIBILITY OF SUCH DAMAGE. ; SKD010: Intel(R) PT FUP May be Dropped After OVF. ; ; Some Intel PT (Intel Processor Trace) OVF (Overflow) packets may not ; be followed by a FUP (Flow Update Packet) or TIP.PGE (Target IP ; Packet, Packet Generation Enable). ; ; cpu 6/78 ; cpu 6/94 ; ; Variant: Missing FUP, sync at PSB+. ; org 0x1000 bits 64 ; @pt p0: psb() ; @pt p1: mode.exec(64bit) ; @pt p2: psbend() ; @pt p3: ovf() ; fup missing ; @pt p4: psb() ; @pt p5: mode.exec(64bit) ; @pt p6: fup(3: %l0) ; @pt p7: psbend() l0: nop ; @pt p8: fup(1: %l1) ; @pt p9: tip.pgd(0: %l2) l1: nop l2: hlt ; @pt .exp(ptdump) ;%0p0 psb ;%0p1 mode.exec cs.l ;%0p2 psbend ;%0p3 ovf ;%0p4 psb ;%0p5 mode.exec cs.l ;%0p6 fup 3: %?l0 ;%0p7 psbend ;%0p8 fup 1: %?l1.2 ;%0p9 tip.pgd 0: %?l2.0 ; @pt .exp(ptxed) ;[overflow] ;%0l0 # nop ;[disabled]