rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-10-14 20:30:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

Use compile-time constants for exactly one CPU

Browse Source
This commit is contained in:
Sebastian Huber
2013-10-24 08:55:46 +02:00
parent 87fdc14286
commit 5d288bc6ee
4 changed files with 7 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
Makefile
View File

@@ -76,7 +76,6 @@ LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-rwlock.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-shell.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-shell-netcmds.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-signal.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-smp.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-subr_param.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-support.c
LIB_C_FILES += rtemsbsd/rtems/rtems-bsd-sx.c

1
freebsd-to-rtems.py
View File

@@ -633,7 +633,6 @@ rtems.addRTEMSSourceFiles(
'rtems/rtems-bsd-shell.c',
'rtems/rtems-bsd-shell-netcmds.c',
'rtems/rtems-bsd-signal.c',
'rtems/rtems-bsd-smp.c',
'rtems/rtems-bsd-subr_param.c',
'rtems/rtems-bsd-support.c',
'rtems/rtems-bsd-sx.c',

7
freebsd/sys/sys/smp.h
View File

@@ -77,12 +77,19 @@ extern cpumask_t hlt_cpus_mask;
extern cpumask_t logical_cpus_mask;
#endif /* SMP */
#ifndef __rtems__
extern u_int mp_maxid;
extern int mp_maxcpus;
extern int mp_ncpus;
extern volatile int smp_started;
extern cpumask_t all_cpus;
#else /* __rtems__ */
#define mp_maxid 1U
#define mp_maxcpus 1
#define mp_ncpus 1
#define all_cpus 1U
#endif /* __rtems__ */
/*
* Macro allowing us to determine whether a CPU is absent at any given

68
rtemsbsd/rtems/rtems-bsd-smp.c
View File

@@ -1,68 +0,0 @@
/**
* @file
*
* @ingroup rtems_bsd_rtems
*
* @brief TODO.
*/
/*
* COPYRIGHT (c) 2012.
* On-Line Applications Research Corporation (OAR).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <machine/rtems-bsd-config.h>
#include <rtems/bsd/sys/types.h>
#include <sys/smp.h>
#include <machine/smp.h>
#include <sys/sysctl.h>
int mp_ncpus;
int mp_maxcpus;
cpumask_t all_cpus;
u_int mp_maxid;
static void smp_configure(void *dummy)
{
int i;
all_cpus = 0x0;
#if defined(RTEMS_SMP)
mp_ncpus = rtems_smp_get_number_of_processors();
mp_maxcpus = rtems_configuration_smp_maximum_processors;
#else
mp_ncpus = 1;
mp_maxcpus = 1;
#endif
mp_maxid = mp_maxcpus;
for(i=0; i< mp_ncpus; i++)
all_cpus |= 0x1 << i;
}
SYSCTL_NODE(_kern, OID_AUTO, smp, CTLFLAG_RD, smp_configure, "Kernel SMP");