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Diffstat (limited to 'erts/emulator/sys/vxworks/erl_vxworks_sys.h')
| -rw-r--r-- | erts/emulator/sys/vxworks/erl_vxworks_sys.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/erts/emulator/sys/vxworks/erl_vxworks_sys.h b/erts/emulator/sys/vxworks/erl_vxworks_sys.h new file mode 100644 index 0000000000..ae46403600 --- /dev/null +++ b/erts/emulator/sys/vxworks/erl_vxworks_sys.h @@ -0,0 +1,183 @@ +/* + * %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 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__ */ |