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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1997-2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
#ifndef __ERL_VXWORKS_SYS_H__
#define __ERL_VXWORKS_SYS_H__
/* stdarg.h don't work without this one... */
#include <vxWorks.h>
#include <stdio.h>
#include <math.h>
#include <limits.h>
#include <stdlib.h>
#define index StringIndexFunctionThatIDontWantDeclared
#include <string.h>
#undef index
#include <sys/times.h>
#include <time.h>/* xxxP */
#include <dirent.h>
#include <sys/stat.h>
/* xxxP from unix_sys.h begin */
/*
* Make sure that MAXPATHLEN is defined.
*/
#ifndef MAXPATHLEN
# ifdef PATH_MAX
# define MAXPATHLEN PATH_MAX
# else
# define MAXPATHLEN 2048
# endif
#endif
/* xxxP end */
/* Unimplemented math functions */
#define NO_ASINH
#define NO_ACOSH
#define NO_ATANH
#define NO_ERF
#define NO_ERFC
/* Stuff that is useful for port programs, drivers, etc */
#ifndef VXWORKS
#define VXWORKS
#endif
#define DONT_USE_MAIN
#define NO_FSYNC
#define NO_MKDIR_MODE
#define NO_UMASK
#define NO_SYMBOLIC_LINKS
#define NO_DEVICE_FILES
#define NO_UID
#define NO_ACCESS
#define NO_FCNTL
#define NO_SYSLOG
#define NO_SYSCONF
#define NO_PWD /* XXX Means what? */
#define NO_DAEMON
/* This chooses ~250 reductions instead of 500 in config.h */
#if (CPU == CPU32)
#define SLOW_PROCESSOR
#endif
/*
* Even though we does not always have small memories on VxWorks
* we certainly does not have virtual memory.
*/
#if !defined(LARGE_MEMORY)
#define SMALL_MEMORY
#endif
/*************** Floating point exception handling ***************/
/* There are no known ways to customize the handling of invalid floating
point operations, such as matherr() or ieee_handler(), in VxWorks 5.1. */
#if (CPU == MC68040 || CPU == CPU32 || CPU == PPC860 || CPU == PPC32 || \
CPU == PPC603 || CPU == PPC604 || CPU == SIMSPARCSOLARIS)
/* VxWorks 5.1 on Motorola 68040 never generates SIGFPE, but sets the
result of invalid floating point ops to Inf and NaN - unfortunately
the way to test for those values is undocumented and hidden in a
"private" include file... */
/* Haven't found any better way, as of yet, for ppc860 xxxP*/
#include <private/mathP.h>
#define NO_FPE_SIGNALS
#define erts_get_current_fp_exception() NULL
#define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0)
#define __ERTS_FP_ERROR(fpexnp, f, Action) if (isInf(f) || isNan(f)) { Action; } else {}
#define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) __ERTS_FP_ERROR(fpexnp, f, Action)
#define __ERTS_SAVE_FP_EXCEPTION(fpexnp)
#define __ERTS_RESTORE_FP_EXCEPTION(fpexnp)
#define ERTS_FP_CHECK_INIT(p) __ERTS_FP_CHECK_INIT(&(p)->fp_exception)
#define ERTS_FP_ERROR(p, f, A) __ERTS_FP_ERROR(&(p)->fp_exception, f, A)
#define ERTS_SAVE_FP_EXCEPTION(p) __ERTS_SAVE_FP_EXCEPTION(&(p)->fp_exception)
#define ERTS_RESTORE_FP_EXCEPTION(p) __ERTS_RESTORE_FP_EXCEPTION(&(p)->fp_exception)
#define ERTS_FP_ERROR_THOROUGH(p, f, A) __ERTS_FP_ERROR_THOROUGH(&(p)->fp_exception, f, A)
#define erts_sys_block_fpe() 0
#define erts_sys_unblock_fpe(x) do{}while(0)
#if (CPU == PPC603)
/* Need fppLib to change the Floating point registers
(fix_registers in sys.c)*/
#include <fppLib.h>
#endif /* PPC603 */
#else
Unsupported CPU value !
#endif
typedef void *GETENV_STATE;
#define HAVE_GETHRTIME
extern int erts_clock_rate;
#define SYS_CLK_TCK (erts_clock_rate)
#define SYS_CLOCK_RESOLUTION 1
typedef struct _vxworks_tms {
clock_t tms_utime;
clock_t tms_stime;
clock_t tms_cutime;
clock_t tms_cstime;
} SysTimes;
typedef long long SysHrTime;
typedef time_t erts_time_t;
typedef struct timeval SysTimeval;
extern int sys_init_hrtime(void);
extern SysHrTime sys_gethrtime(void);
extern void sys_gettimeofday(SysTimeval *tvp);
extern clock_t sys_times(SysTimes *t);
#define SIZEOF_SHORT 2
#define SIZEOF_INT 4
#define SIZEOF_LONG 4
#define SIZEOF_VOID_P 4
#define SIZEOF_SIZE_T 4
#define SIZEOF_OFF_T 4
/*
* Temporary buffer *only* used in sys code.
*/
#define SYS_TMP_BUF_SIZE 65536
/* Need to be able to interrupt erts_poll_wait() from signal handler */
#define ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
#endif /* __ERL_VXWORKS_SYS_H__ */
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