cpu/msp430/msp430def.h

   1 /*
   2  * Copyright (c) 2007, Swedish Institute of Computer Science
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the Institute nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#)$Id: msp430def.h,v 1.3 2009/04/06 13:07:37 nifi Exp $
  30  */
  31
  32 #ifndef MSP430DEF_H
  33 #define MSP430DEF_H
  34
  35 #ifdef HAVE_STDINT_H
  36 #include <stdint.h>
  37 #else
  38 typedef unsigned char   uint8_t;
  39 typedef unsigned short uint16_t;
  40 typedef unsigned long  uint32_t;
  41 typedef   signed char    int8_t;
  42 typedef          short  int16_t;
  43 typedef          long   int32_t;
  44 #endif /* !HAVE_STDINT_H */
  45
  46 /* These names are deprecated, use C99 names. */
  47 typedef  uint8_t    u8_t;
  48 typedef uint16_t   u16_t;
  49 typedef uint32_t   u32_t;
  50 typedef  int32_t   s32_t;
  51
  52 /* default DCOSYNCH Period is 30 seconds */
  53 #ifdef DCOSYNCH_CONF_PERIOD
  54 #define DCOSYNCH_PERIOD DCOSYNCH_CONF_PERIOD
  55 #else
  56 #define DCOSYNCH_PERIOD 30
  57 #endif
  58
  59 void msp430_cpu_init(void);     /* Rename to cpu_init() later! */
  60 void msp430_sync_dco(void);
  61
  62
  63 #define cpu_init() msp430_cpu_init()
  64
  65 void   *sbrk(int);
  66
  67 typedef int spl_t;
  68 void    splx_(spl_t);
  69 spl_t   splhigh_(void);
  70
  71 #define splhigh() splhigh_()
  72 #define splx(sr) __asm__ __volatile__("bis %0, r2" : : "r" (sr))
  73
  74 /* Workaround for bug in msp430-gcc compiler */
  75 #if defined(__MSP430__) && defined(__GNUC__) && MSP430_MEMCPY_WORKAROUND
  76 #ifndef memcpy
  77 #include <string.h>
  78
  79 #define memcpy(dest, src, count) do {                    \
  80   if(count == 2) {                                       \
  81     *((uint8_t *)dest) = *((uint8_t *)src);              \
  82     *((uint8_t *)dest + 1) = *((uint8_t *)src + 1);      \
  83   } else {                                               \
  84     memcpy(dest, src, count);                            \
  85   }                                                      \
  86 } while(0)
  87
  88 #define memset(dest, value, count) do {                  \
  89   if(count == 2) {                                       \
  90     *((uint8_t *)dest) = (uint8_t)value;                 \
  91     *((uint8_t *)dest + 1) = (uint8_t)value;             \
  92   } else {                                               \
  93     memset(dest, value, count);                          \
  94   }                                                      \
  95 } while(0)
  96 #endif /* memcpy */
  97 #endif /* __GNUC__ &&  __MSP430__ && MSP430_MEMCPY_WORKAROUND */
  98
  99 #endif /* MSP430DEF_H */