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Diffstat (limited to 'platform/linux-generic/arch/x86/odp_cpu_arch.c')
-rw-r--r--platform/linux-generic/arch/x86/odp_cpu_arch.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/platform/linux-generic/arch/x86/odp_cpu_arch.c b/platform/linux-generic/arch/x86/odp_cpu_arch.c
deleted file mode 100644
index b1da428b9..000000000
--- a/platform/linux-generic/arch/x86/odp_cpu_arch.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Copyright (c) 2015, Linaro Limited
- * All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <odp_posix_extensions.h>
-
-#include <odp/api/cpu.h>
-#include <odp_time_internal.h>
-#include <odp_debug_internal.h>
-
-#include <time.h>
-
-uint64_t odp_cpu_cycles(void)
-{
- union {
- uint64_t tsc_64;
- struct {
- uint32_t lo_32;
- uint32_t hi_32;
- };
- } tsc;
-
- __asm__ __volatile__ ("rdtsc" :
- "=a" (tsc.lo_32),
- "=d" (tsc.hi_32) : : "memory");
-
- return tsc.tsc_64;
-}
-
-uint64_t odp_cpu_cycles_max(void)
-{
- return UINT64_MAX;
-}
-
-uint64_t odp_cpu_cycles_resolution(void)
-{
- return 1;
-}
-
-uint64_t cpu_global_time(void)
-{
- return odp_cpu_cycles();
-}
-
-#define SEC_IN_NS 1000000000ULL
-
-/* Measure TSC frequency. Frequency information registers are defined for x86,
- * but those are often not enumerated. */
-uint64_t cpu_global_time_freq(void)
-{
- struct timespec sleep, ts1, ts2;
- uint64_t t1, t2, ts_nsec, cycles, hz;
- int i;
- uint64_t avg = 0;
- int rounds = 3;
- int warm_up = 1;
-
- for (i = 0; i < rounds; i++) {
- sleep.tv_sec = 0;
-
- if (warm_up)
- sleep.tv_nsec = SEC_IN_NS / 1000;
- else
- sleep.tv_nsec = SEC_IN_NS / 4;
-
- if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts1)) {
- ODP_DBG("clock_gettime failed\n");
- return 0;
- }
-
- t1 = cpu_global_time();
-
- if (nanosleep(&sleep, NULL) < 0) {
- ODP_DBG("nanosleep failed\n");
- return 0;
- }
-
- if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts2)) {
- ODP_DBG("clock_gettime failed\n");
- return 0;
- }
-
- t2 = cpu_global_time();
-
- ts_nsec = (ts2.tv_sec - ts1.tv_sec) * SEC_IN_NS;
- ts_nsec += ts2.tv_nsec - ts1.tv_nsec;
-
- cycles = t2 - t1;
-
- hz = (cycles * SEC_IN_NS) / ts_nsec;
-
- if (warm_up)
- warm_up = 0;
- else
- avg += hz;
- }
-
- return avg / (rounds - 1);
-}