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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <rte_common.h>
#include <rte_cpuflags.h>
/**
* Checks if the machine is adequate for running the binary. If it is not, the
* program exits with status 1.
*/
void
rte_cpu_check_supported(void)
{
if (!rte_cpu_is_supported())
exit(1);
}
int
rte_cpu_is_supported(void)
{
/* This is generated at compile-time by the build system */
static const enum rte_cpu_flag_t compile_time_flags[] = {
RTE_COMPILE_TIME_CPUFLAGS
};
unsigned count = RTE_DIM(compile_time_flags), i;
int ret;
for (i = 0; i < count; i++) {
ret = rte_cpu_get_flag_enabled(compile_time_flags[i]);
if (ret < 0) {
fprintf(stderr,
"ERROR: CPU feature flag lookup failed with error %d\n",
ret);
return 0;
}
if (!ret) {
fprintf(stderr,
"ERROR: This system does not support \"%s\".\n"
"Please check that RTE_MACHINE is set correctly.\n",
rte_cpu_get_flag_name(compile_time_flags[i]));
return 0;
}
}
return 1;
}
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