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; 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 TIP.PGD.
;

org 0x1000
bits 64

; @pt p0: psb()
; @pt p1: mode.exec(64bit)
; @pt p2: fup(3: %l0)
; @pt p3: psbend()
l0: hlt

; @pt p4: ovf()
;         fup missing

; @pt p5: tip.pgd(0: %l1)
l1: hlt

; We need to re-enable tracing in order to get the overflow indication
; at the enable instruction.
;
; @pt p6: tip.pge(3: %l2)
l2: nop

; @pt p7: fup(1: %l3)
; @pt p8: tip.pgd(0: %l4)
l3: nop
l4: hlt


; @pt .exp(ptdump)
;%0p0  psb
;%0p1  mode.exec  cs.l
;%0p2  fup        3: %?l0
;%0p3  psbend
;%0p4  ovf
;%0p5  tip.pgd    0: %?l1.0
;%0p6  tip.pge    3: %?l2
;%0p7  fup        1: %?l3.2
;%0p8  tip.pgd    0: %?l4.0


; @pt .exp(ptxed)
;[overflow]
;[enabled]
;%0l2
;[disabled]