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; Copyright (c) 2018-2025, Intel Corporation
; SPDX-License-Identifier: BSD-3-Clause
;
; 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.
; Test MTC and CYC-based timing and OVF.
;
; Variant: calibration reset on OVF.
;
; opt:ptdump --time --time-delta
; opt:ptdump --mtc-freq 4 --cpuid-0x15.eax 1 --cpuid-0x15.ebx 4
;
; opt:ptxed --event:tick --event:time
; opt:ptxed --mtc-freq 4 --cpuid-0x15.eax 1 --cpuid-0x15.ebx 4
org 0x100000
bits 64
; @pt p0: psb()
; @pt p1: mode.exec(64bit)
; @pt p2: fup(3: %l0)
; @pt p3: tsc(0x1000)
; @pt p4: tma(0x10, 0x40)
; @pt p5: psbend()
l0: nop
; @pt p6: mtc(0x2)
; @pt p7: cyc(0x100)
; @pt p8: mtc(0x3)
; @pt p9: cyc(0x80)
; @pt p10: tnt(t)
l1: jne l3
l2: hlt
; @pt p11: cyc(0x80)
; @pt p12: mtc(0x4)
; @pt p13: ovf()
; @pt p14: fup(3: %l3)
l3: nop
; @pt p15: cyc(0x80)
; @pt p16: tnt(t)
l4: jne l6
l5: hlt
l6: nop
l7: hlt
; @pt p17: cyc(0x80)
; @pt p18: fup(1: %l7)
; @pt p19: tip.pgd(0: %l7)
; @pt .exp(ptdump)
;%0p0 psb
;%0p1 mode.exec cs.l
;%0p2 fup 3: %?l0
;%0p3 tsc 1000 tsc +1000
;%0p4 tma 10, 40 tsc +0
;%0p5 psbend
;%0p6 mtc 2 tsc +0
;[%p7: calibration error: no timing information]
;[%p7: error updating time: no calibration]
;%0p7 cyc 100 tsc +0
;%0p8 mtc 3 tsc +40
;%0p9 cyc 80 tsc +20
;%0p10 tnt.8 !
;%0p11 cyc 80 tsc +20
;%0p12 mtc 4 tsc +0
;%0p13 ovf
;%0p14 fup 3: %?l3
;[%p15: calibration error: no timing information]
;[%p15: error updating time: no calibration]
;%0p15 cyc 80 tsc +0
;%0p16 tnt.8 !
;[%p17: calibration error: no timing information]
;[%p17: error updating time: no calibration]
;%0p17 cyc 80 tsc +0
;%0p18 fup 1: %?l7.2
;%0p19 tip.pgd 0: %?l7.0
; @pt .exp(ptxed)
;%0l0 # nop
;%0l1 # jne l3
;[0000000000001060 tick]
;[0000000000001080 overflow]
;%0l3 # nop
;%0l4 # jne l6
;%0l6 # nop
;[0000000000001080 disabled]
|
