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/* smp.c - Template for generic SMP controller for Mach.
Copyright (C) 2020 Free Software Foundation, Inc.
Written by Almudena Garcia Jurado-Centurion
This file is part of GNU Mach.
GNU Mach is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Mach is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include <kern/smp.h>
#include <machine/smp.h>
#include <stdint.h>
struct smp_data {
uint8_t num_cpus;
} smp_info;
/*
* smp_set_numcpus: initialize the number of cpus in smp_info structure
*/
void smp_set_numcpus(uint8_t numcpus)
{
smp_info.num_cpus = numcpus;
}
/*
* smp_get_numcpus: returns the number of cpus existing in the machine
*/
uint8_t smp_get_numcpus(void)
{
uint8_t numcpus = smp_info.num_cpus;
if (numcpus == 0)
return 1; /* Although SMP doesn't find cpus, always there are at least one. */
else
return numcpus;
}
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