From c07ad72f016930e2aba6471d0e2e9625b935bf9a Mon Sep 17 00:00:00 2001 From: Mauro Sardara Date: Thu, 24 Jan 2019 17:52:53 +0100 Subject: Remove cframework files from master Change-Id: I02f17ede1cf97986a8b8852ed6d6a28fc016f590 Signed-off-by: Mauro Sardara --- libparc/parc/developer/parc_TimingIntel.c | 89 ------------------------------- 1 file changed, 89 deletions(-) delete mode 100755 libparc/parc/developer/parc_TimingIntel.c (limited to 'libparc/parc/developer/parc_TimingIntel.c') diff --git a/libparc/parc/developer/parc_TimingIntel.c b/libparc/parc/developer/parc_TimingIntel.c deleted file mode 100755 index c690515c..00000000 --- a/libparc/parc/developer/parc_TimingIntel.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2017 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - * Executes either the RDTSC or RDTSCP instruction, depending on platform availability - * - */ - -#include -#include - -#define PARCTIMING_ENABLE -#include - -#ifdef PARCTIMING_INTEL -static bool _useRdtscp = false; -static bool _needCheckRdtscp = true; - -#include - -static void -_checkRdtscp(void) -{ - // See the CPUID instruction for description of the codes. - - // determine the maximum extended information set - unsigned maxextended = __get_cpuid_max(0x80000000, NULL); - - // RDTSCP status flag is in the 0x800000001 feature set - const unsigned feature = 0x80000001; - const unsigned rdtscp_feature = 1 << 27; - - if (maxextended >= feature) { - unsigned eax, ebx, ecx, edx; - - int success = __get_cpuid(feature, &eax, &ebx, &ecx, &edx); - if (success) { - _useRdtscp = (edx & rdtscp_feature ? true : false); - } - } -} -#endif // PARCTIMING_INTEL - -void -parcTiminIntel_RuntimeInit(void) -{ -#ifdef PARCTIMING_INTEL - if (_needCheckRdtscp) { - _needCheckRdtscp = false; - _checkRdtscp(); - } -#endif // PARCTIMING_INTEL -} - -void -parcTimingIntel_rdtsc(unsigned *hi, unsigned *lo) -{ - /* - * Older CPUs do not support RDTSCP, which is the better instruction to use. - * If we did not detect this opcode in autoconf, use the older RDTSC - */ - -#ifdef PARCTIMING_INTEL - if (_useRdtscp) { - __asm volatile ("RDTSCP\n\t" - "mov %%edx,%0\n\t" - "mov %%eax,%1\n\t" - "CPUID\n\t" : "=r" (*hi), "=r" (*lo):: "%rax", "%rbx", "%rcx", "%rdx"); - } else { - __asm volatile ("RDTSC\n\t" - "mov %%edx,%0\n\t" - "mov %%eax,%1\n\t" - "CPUID\n\t" : "=r" (*hi), "=r" (*lo):: "%rax", "%rbx", "%rcx", "%rdx"); - } -#endif // PARCTIMING_INTEL -} - -- cgit 1.2.3-korg