source: mypx/arch/m68k_gcc/makeoffset.c

/*
 *  TOPPERS/ASP Kernel
 *      Toyohashi Open Platform for Embedded Real-Time Systems/
 *      Advanced Standard Profile Kernel
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 *  Copyright (C) 2004-2012 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
 * 
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#include "kernel_impl.h"
#include "task.h"
#include "sil.h"

#define OFFSET_DEF(TYPE, FIELD)                                                 \
        Asm("OFFSET_DEF " #TYPE "_" #FIELD " = %0"                      \
          : /* no output */                                                                     \
          : "g"(offsetof(TYPE, FIELD)))

#define OFFSET_DEF2(TYPE, FIELD, FIELDNAME)                             \
        Asm("OFFSET_DEF " #TYPE "_" #FIELDNAME " = %0"          \
          : /* no output */                                                                     \
          : "g"(offsetof(TYPE, FIELD)))

void
makeoffset(void)
{
        OFFSET_DEF(TCB, p_tinib);
        OFFSET_DEF(TCB, texptn);
        OFFSET_DEF2(TCB, tskctxb.msp, msp);
        OFFSET_DEF2(TCB, tskctxb.pc, pc);

        OFFSET_DEF(TINIB, exinf);
        OFFSET_DEF(TINIB, task);
}

void
sil_endian(void)
{
#ifdef SIL_ENDIAN_BIG                   /* ¥Ó¥Ã¥°¥š¥ó¥Ç¥£¥¢¥ó¥×¥í¥»¥Ã¥µ */
        Asm("SIL_ENDIAN = BIG");
#else /* SIL_ENDIAN_BIG */
#ifdef SIL_ENDIAN_LITTLE                /* ¥ê¥È¥ë¥š¥ó¥Ç¥£¥¢¥ó¥×¥í¥»¥Ã¥µ */
        Asm("SIL_ENDIAN = LITTLE");
#endif /* SIL_ENDIAN_LITTLE */
#endif /* SIL_ENDIAN_BIG */
}

uint32_t        BIT_REF_4 = 0x12345678;
uint16_t        BIT_REF_2 = 0x1234;
uint8_t         BIT_REF_1 = 0x12;

TCB     BIT_BB_TCB_enatex = {
        { NULL, NULL },                 /* task_queue */
        NULL,                                   /* p_tinib */
        0U,                                             /* tstat */
#ifdef TOPPERS_SUPPORT_MUTEX
        0U,                                             /* bpriority */
#endif /* TOPPERS_SUPPORT_MUTEX */
        0U,                                             /* priority */
        false,                                  /* acqeue */
        false,                                  /* wupque */
        true,                                   /* enatex */
        0U,                                             /* texptn */
        NULL,                                   /* p_winifo */
#ifdef TOPPERS_SUPPORT_MUTEX
        { NULL, NULL },                 /* mutex_queue */
#endif /* TOPPERS_SUPPORT_MUTEX */
#ifdef TOPPERS_SUPPORT_OVRHDR
        0U,                                             /* leftotm */
#endif /* TOPPERS_SUPPORT_OVRHDR */
        { NULL, NULL }                  /* tskctxb */
};