表 8.5

統合開発環境で生成されるプログラムの一覧

ファイル名

内容

(a)

resetprg.c

初期設定ルーチン (リセットベクタ関数)

(b)

intprg.c

ベクタ関数の定義

(c)

vecttbl.c

固定ベクタテーブル*1

(d)

dbsct.c

セクションの初期化処理(テーブル)

(e)

lowsrc.c

低水準インタフェースルーチン(C言語部分)

(f)

lowlvl.src

低水準インタフェースルーチン(アセンブリ言語部分)

(g)

sbrk.c

低水準インタフェースルーチン(sbrk関数)

(h)

typedefine.h

型定義ヘッダ

(i)

vect.h

ベクタ関数のヘッダ

(j)

stacksct.h

スタックサイズの設定

(k)

lowsrc.h

低水準インタフェースルーチン(C言語ヘッダ)

(l)

sbrk.h

低水準インタフェースルーチン(sbrk関数のヘッダ)

注 1.

RXv1命令セットアーキテクチャの場合です。
RXv1命令セットアーキテクチャ以外の場合は、「例外ベクタテーブル」となります。

#include  <machine.h>

#include  <_h_c_lib.h>

//#include   <stddef.h>           // Remove the comment when you use errno

//#include   <stdlib.h>           // Remove the comment when you use rand()

#include  "typedefine.h"          // Define Types

#include  "stacksct.h"            // Stack Sizes (Interrupt and User)

#ifdef __cplusplus                // For Use Reset vector

extern "C" {

#endif

void PowerON_Reset_PC(void);

void main(void);

#ifdef __cplusplus

}

#endif

#ifdef __cplusplus                // For Use SIM I/O

extern "C" {

#endif

extern void _INIT_IOLIB(void);

extern void _CLOSEALL(void);

#ifdef __cplusplus

}

#endif

#define PSW_init       0x00010000      // PSW bit pattern

#define FPSW_DPSW_init 0x00000000      // FPSW/DPSW bit base pattern

//extern void srand(_UINT);       // Remove the comment when you use rand()

//extern _SBYTE *_s1ptr;          // Remove the comment when you use strtok()

//#ifdef __cplusplus              // Use Hardware Setup

//extern "C" {

//#endif

//extern void HardwareSetup(void);

//#ifdef __cplusplus

//}

//#endif

//#ifdef __cplusplus              // Remove the comment when you use global class object

//extern "C" {                    // Sections C$INIT and C$END will be generated

//#endif

//extern void _CALL_INIT(void);

//extern void _CALL_END(void);

//#ifdef __cplusplus

//}

//#endif

#pragma section ResetPRG          // output PowerON_Reset_PC to PResetPRG section

#pragma entry PowerON_Reset_PC

void PowerON_Reset_PC(void)

{

#if (__RX_ISA_VERSION__ >= 2) || defined(__RXV2)

    set_extb(__sectop("EXCEPTVECT")); // Remove the comment when you want to set an address

                                    // into the Exception Vector Table Register of RXv2 or later

#endif

     set_intb(__sectop("C$VECT"));

#ifdef __FPU

#ifdef __ROZ                    // Initialize FPSW/DPSW

#define _ROUND 0x00000001       // Let FPSW/DPSW RM/DRM bits=01 (round to zero)

#else

#define _ROUND 0x00000000     // Let FPSW/DPSW RM/DRM bits=00 (round to nearest)

#endif

#ifdef __DOFF

#define _DENOM 0x00000100       // Let FPSW/DPSW DN/DDN bit=1 (denormal as zero)

#else

#define _DENOM 0x00000000       // Let FPSW/DPSW DN/DDN bit=0 (denormal as is)

#endif

     set_fpsw(FPSW_DPSW_init | _ROUND | _DENOM);

#ifdef __DPFPU

     __set_dpsw(FPSW_DPSW_init | _ROUND | _DENOM);

#endif

#endif

     _INITSCT();                  // Initialize Sections

     _INIT_IOLIB();               // Use SIM I/O

//   errno=0;                     // Remove the comment when you use errno

//   srand((_UINT)1);             // Remove the comment when you use rand()

//   _s1ptr=NULL;                 // Remove the comment when you use strtok()

//   HardwareSetup();             // Use Hardware Setup

//   _CALL_INIT();                // Remove the comment when you use global class object

     set_psw(PSW_init);           // Set Ubit & Ibit for PSW

//   chg_pmusr();                 // Remove the comment when you need to change PSW PMbit (SuperVisor->User)

     main();

     _CLOSEALL();                 // Use SIM I/O

//   _CALL_END();                 // Remove the comment when you use global class object

     brk();

}

#include <machine.h>

#include "vect.h"

#pragma section IntPRG

// Exception(Supervisor Instruction)

void Excep_SuperVisorInst(void){/* brk(); */}

// Exception(Undefined Instruction)

void Excep_UndefinedInst(void){/* brk(); */}

// Exception(Floating Point)

void Excep_FloatingPoint(void){/* brk(); */}

// NMI

void NonMaskableInterrupt(void){/* brk(); */}

// Dummy

void Dummy(void){/* brk(); */}

// BRK

void Excep_BRK(void){ wait(); }

#include "vect.h"

#pragma section C FIXEDVECT

void (*const Fixed_Vectors[])(void) = {

//;0xffffffd0  Exception(Supervisor Instruction)

    Excep_SuperVisorInst,

//;0xffffffd4  Reserved

    Dummy,

//;0xffffffd8  Reserved

    Dummy,

//;0xffffffdc  Exception(Undefined Instruction)

    Excep_UndefinedInst,

//;0xffffffe0  Reserved

    Dummy,

//;0xffffffe4  Exception(Floating Point)

    Excep_FloatingPoint,

//;0xffffffe8  Reserved

    Dummy,

//;0xffffffec  Reserved

    Dummy,

//;0xfffffff0  Reserved

    Dummy,

//;0xfffffff4  Reserved

    Dummy,

//;0xfffffff8  NMI

    NonMaskableInterrupt,

//;0xfffffffc  RESET

//;<<VECTOR DATA START (POWER ON RESET)>>

//;Power On Reset PC

PowerON_Reset_PC

//;<<VECTOR DATA END (POWER ON RESET)>>

};

#include "vect.h"

#pragma section C EXCEPTVECT

void (*const Excep_Vectors[])(void) = {

//;0xffffff80  Reserved

    Dummy,

//;0xffffff84  Reserved

    Dummy,

//;0xffffff88  Reserved

    Dummy,

//;0xffffff8c  Reserved

    Dummy,

//;0xffffff90  Reserved

    Dummy,

//;0xffffff94  Reserved

    Dummy,

//;0xffffff98  Reserved

    Dummy,

//;0xffffff9c  Reserved

    Dummy,

//;0xffffffa0  Reserved

    Dummy,

//;0xffffffa4  Reserved

    Dummy,

//;0xffffffa8  Reserved

    Dummy,

//;0xffffffac  Reserved

    Dummy,

//;0xffffffb0  Reserved

    Dummy,

//;0xffffffb4  Reserved

    Dummy,

//;0xffffffb8  Reserved

    Dummy,

//;0xffffffbc  Reserved

    Dummy,

//;0xffffffc0  Reserved

    Dummy,

//;0xffffffc4  Reserved

    Dummy,

//;0xffffffc8  Reserved

    Dummy,

//;0xffffffcc  Reserved

    Dummy,

//;0xffffffd0  Exception(Supervisor Instruction)

    Excep_SuperVisorInst,

//;0xffffffd4  Exception(Access Instruction)

    Excep_AccessInst,

//;0xffffffd8  Reserved

    Dummy,

//;0xffffffdc  Exception(Undefined Instruction)

    Excep_UndefinedInst,

//;0xffffffe0  Reserved

    Dummy,

//;0xffffffe4  Exception(Floating Point)

    Excep_FloatingPoint,

//;0xffffffe8  Reserved

    Dummy,

//;0xffffffec  Reserved

    Dummy,

//;0xfffffff0  Reserved

    Dummy,

//;0xfffffff4  Reserved

    Dummy,

//;0xfffffff8  NMI

    NonMaskableInterrupt,

};

#pragma section C RESETVECT

void (*const Reset_Vectors[])(void) = {

//;0xfffffffc  RESET

    PowerON_Reset_PC

};

#include "typedefine.h"

#pragma unpack

#pragma section C C$DSEC

extern const struct {

    _UBYTE *rom_s;       /* Start address of the initialized data section in ROM */

    _UBYTE *rom_e;       /* End address of the initialized data section in ROM   */

    _UBYTE *ram_s;       /* Start address of the initialized data section in RAM */

}   _DTBL[] = {

    { __sectop("D"), __secend("D"), __sectop("R") },

    { __sectop("D_2"), __secend("D_2"), __sectop("R_2") },

    { __sectop("D_1"), __secend("D_1"), __sectop("R_1") }

};

#pragma section C C$BSEC

extern const struct {

    _UBYTE *b_s;         /* Start address of non-initialized data section */

    _UBYTE *b_e;         /* End address of non-initialized data section */

}   _BTBL[] = {

    { __sectop("B"), __secend("B") },

    { __sectop("B_2"), __secend("B_2") },

    { __sectop("B_1"), __secend("B_1") }

};

#pragma section

/*

** CTBL prevents excessive output of W0561100 messages when linking.

** Even if CTBL is deleted, the operation of the program does not change.

*/

_UBYTE * const _CTBL[] = {

    __sectop("C_1"), __sectop("C_2"), __sectop("C"),

    __sectop("W_1"), __sectop("W_2"), __sectop("W")

};

#pragma packoption

#include <string.h>

#include <stdio.h>

#include <stddef.h>

#include "lowsrc.h"

#define STDIN  0

#define STDOUT 1

#define STDERR 2

#define FLMIN  0

#define _MOPENR   0x1

#define _MOPENW   0x2

#define _MOPENA   0x4

#define _MTRUNC   0x8

#define _MCREAT   0x10

#define _MBIN     0x20

#define _MEXCL    0x40

#define _MALBUF   0x40

#define _MALFIL   0x80

#define _MEOF     0x100

#define _MERR     0x200

#define _MLBF     0x400

#define _MNBF     0x800

#define _MREAD    0x1000

#define _MWRITE   0x2000

#define _MBYTE    0x4000

#define _MWIDE    0x8000

#define O_RDONLY  0x0001

#define O_WRONLY  0x0002

#define O_RDWR    0x0004

#define O_CREAT   0x0008

#define O_TRUNC   0x0010

#define O_APPEND  0x0020

#define CR 0x0d

#define LF 0x0a

extern const long _nfiles;

char flmod[IOSTREAM];

unsigned char sml_buf[IOSTREAM];

#define FPATH_STDIN     "C:\\stdin"

#define FPATH_STDOUT    "C:\\stdout"

#define FPATH_STDERR    "C:\\stderr"

extern void charput(unsigned char);

extern unsigned char charget(void);

#include <stdio.h>

FILE *_Files[IOSTREAM];

char *env_list[] = {

    "ENV1=temp01",

    "ENV2=temp02",

    "ENV9=end",

    '\0'

};

char **environ = env_list;

void _INIT_IOLIB( void )

{

    _Files[0] = stdin;

    _Files[1] = stdout;

    _Files[2] = stderr;

    if( freopen( FPATH_STDIN, "r", stdin ) == NULL )

        stdin->_Mode = 0xffff;

    stdin->_Mode  = _MOPENR;

    stdin->_Mode |= _MNBF;

    stdin->_Bend = stdin->_Buf + 1;

    if( freopen( FPATH_STDOUT, "w", stdout ) == NULL )

        stdout->_Mode = 0xffff;

    stdout->_Mode |= _MNBF;

    stdout->_Bend = stdout->_Buf + 1;

    if( freopen( FPATH_STDERR, "w", stderr ) == NULL )

        stderr->_Mode = 0xffff;

    stderr->_Mode |= _MNBF;

    stderr->_Bend = stderr->_Buf + 1;

}

void _CLOSEALL( void )

{

    long i;

    for( i=0; i < _nfiles; i++ )

    {

        if( _Files[i]->_Mode & (_MOPENR | _MOPENW | _MOPENA ) )

        fclose( _Files[i] );

    }

}

long open(const char *name,

     long  mode,

     long  flg)

{

    if( strcmp( name, FPATH_STDIN ) == 0 )

    {

        if( ( mode & O_RDONLY ) == 0 ) return -1;

        flmod[STDIN] = mode;

        return STDIN;

    }

    else if( strcmp( name, FPATH_STDOUT ) == 0 )

    {

        if( ( mode & O_WRONLY ) == 0 ) return -1;

        flmod[STDOUT] = mode;

        return STDOUT;

    }

    else if(strcmp(name, FPATH_STDERR ) == 0 )

    {

        if( ( mode & O_WRONLY ) == 0 ) return -1;

        flmod[STDERR] = mode;

        return STDERR;

    }

    else return -1;

long close( long fileno )

{

    return 1;

}

long write(long  fileno,

      const unsigned char *buf,

      long  count)

{

    long    i;

    unsigned char    c;

    if(flmod[fileno]&O_WRONLY || flmod[fileno]&O_RDWR)

    {

        if( fileno == STDIN ) return -1;

        else if( (fileno == STDOUT) || (fileno == STDERR) )

        {

            for( i = count; i > 0; --i )

            {

                c = *buf++;

                charput(c);

            }

            return count;

        }

        else return -1;

    }

    else return -1;

}

long read( long fileno, unsigned char *buf, long count )

{

	   long i;

       if((flmod[fileno]&_MOPENR) || (flmod[fileno]&O_RDWR)){

             for(i = count; i > 0; i--){

                   *buf = charget();

                   if(*buf==CR){

                         *buf = LF;

                   }

                   buf++;

             }

             return count;

       }

       else {

             return -1;

       }

}

long lseek( long fileno, long offset, long base )

{

    return -1L;

}

         .GLB    _charput

         .GLB    _charget

SIM_IO   .EQU 0h

         .SECTION   P,CODE

;-----------------------------------------------------------------------

;  _charput:

;-----------------------------------------------------------------------

_charput:

         MOV.L      #IO_BUF,R2

         MOV.B      R1,[R2]

         MOV.L      #1220000h,R1

         MOV.L      #PARM,R3

         MOV.L      R2,[R3]

         MOV.L      R3,R2

         MOV.L      #SIM_IO,R3

         JSR        R3

         RTS

;-----------------------------------------------------------------------

;  _charget:

;-----------------------------------------------------------------------

_charget:

        MOV.L       #1210000h,R1

        MOV.L       #IO_BUF,R2

        MOV.L       #PARM,R3

        MOV.L       R2,[R3]

        MOV.L       R3,R2

        MOV.L       #SIM_IO,R3

        JSR         R3

        MOV.L       #IO_BUF,R2

        MOVU.B      [R2],R1

        RTS

;-----------------------------------------------------------------------

;  I/O Buffer

;-----------------------------------------------------------------------

         .SECTION  B,DATA,ALIGN=4

PARM:    .BLKL     1

         .SECTION  B_1,DATA

IO_BUF:  .BLKB     1

         .END

#include <stddef.h>

#include <stdio.h>

#include "typedefine.h"

#include "sbrk.h"

_SBYTE  *sbrk(size_t size);

//const size_t _sbrk_size=                /* Specifies the minimum unit of*/

                                          /* the defined heap area*/

extern _SBYTE *_s1ptr;

union HEAP_TYPE {

    _SDWORD  dummy ;                      /* Dummy for 4-byte boundary*/

    _SBYTE heap[HEAPSIZE];                /* Declaration of the area managed by sbrk*/

};

static union HEAP_TYPE heap_area ;

/* End address allocated by sbrk*/

static _SBYTE *brk=(_SBYTE *)&heap_area;

/**************************************************************************/

/*     sbrk:Memory area allocation                                        */

/*          Return value:Start address of allocated area (Pass)           */

/*                       -1                              (Failure)        */

/**************************************************************************/

_SBYTE  *sbrk(size_t size)                      /* Assigned area size   */

{

    _SBYTE  *p;

    if(brk+size > heap_area.heap+HEAPSIZE){     /* Empty area size      */

        p = (_SBYTE *)-1;

    }

    else {

        p = brk;                                /* Area assignment      */

        brk += size;                            /* End address update   */

    }

    return p;

}

typedef signed char _SBYTE;

typedef unsigned char _UBYTE;

typedef signed short _SWORD;

typedef unsigned short _UWORD;

typedef signed int _SINT;

typedef unsigned int _UINT;

typedef signed long _SDWORD;

typedef unsigned long _UDWORD;

typedef signed long long _SQWORD;

typedef unsigned long long _UQWORD;

// Exception(Supervisor Instruction)

#pragma interrupt (Excep_SuperVisorInst)

void Excep_SuperVisorInst(void);

// Exception(Undefined Instruction)

#pragma interrupt (Excep_UndefinedInst)

void Excep_UndefinedInst(void);

// Exception(Floating Point)

#pragma interrupt (Excep_FloatingPoint)

void Excep_FloatingPoint(void);

// NMI

#pragma interrupt (NonMaskableInterrupt)

void NonMaskableInterrupt(void);

// Dummy

#pragma interrupt (Dummy)

void Dummy(void);

// BRK

#pragma interrupt (Excep_BRK(vect=0))

void Excep_BRK(void);

//;<<VECTOR DATA START (POWER ON RESET)>>

//;Power On Reset PC

extern void PowerON_Reset_PC(void);

//;<<VECTOR DATA END (POWER ON RESET)>>

// #pragma stacksize su=0x100        // Remove the comment when you use user stack

#pragma stacksize si=0x300

/*Number of I/O Stream*/

#define IOSTREAM 20

/* size of area managed by sbrk */

#define HEAPSIZE 0x400

lbgrx -isa=rxv1 -output=LoadModule.lib

ccrx -isa=rxv1 -output=obj UserProgram.c

ccrx -isa=rxv1 -output=obj resetprg.c

ccrx -isa=rxv1 -output=obj intprg.c

ccrx -isa=rxv1 -output=obj vecttbl.c

ccrx -isa=rxv1 -output=obj dbsct.c

ccrx -isa=rxv1 -output=obj lowsrc.c

asrx -isa=rxv1 lowlvl.src

ccrx -isa=rxv1 -output=obj sbrk.c

rlink -rom=D=R,D_1=R_1,D_2=R_2 -list=LoadModule.map 

-start=B_1,R_1,B_2,R_2,B,R,SI/01000,PResetPRG/0FFFF8000,C_1,C_2,C,C$*,D_1,D_2,D,P,PIntPRG,

W*,L/0FFFF8100,FIXEDVECT/0FFFFFFD0 -=LoadModule.lib -output=LoadModule.abs

UserProgram.obj resetprg.obj intprg.obj vecttbl.obj dbsct.obj lowsrc.obj lowlvl.obj sbrk.obj

rlink -output=LoadModule.sty -form=stype -output=LoadModule.mot LoadModule.abs

lbgrx -isa=rxv2 -output=LoadModule.lib

ccrx -isa=rxv2 -output=obj UserProgram.c

ccrx -isa=rxv2 -output=obj resetprg.c

ccrx -isa=rxv2 -output=obj intprg.c

ccrx -isa=rxv2 -output=obj vecttbl.c

ccrx -isa=rxv2 -output=obj dbsct.c

ccrx -isa=rxv2 -output=obj lowsrc.c

asrx -isa=rxv2 lowlvl.src

ccrx -isa=rxv2 -output=obj sbrk.c

rlink -rom=D=R,D_1=R_1,D_2=R_2 -list=LoadModule.map -start=B_1,R_1,B_2,R_2,B,R,SU,SI/04,PResetPRG/0FFFF8000,C_1,C_2,C,C$DSEC,C$BSEC,C$INIT,C$VTBL,C$VECT,D_1,D_2,D,P,PIntPRG,W_1,W_2,W,L/0FFFF8100,EXCEPTVECT/0FFFFFF80,RESETVECT/0FFFFFFFC -=LoadModule.lib -output=LoadModule.abs UserProgram.obj resetprg.obj intprg.obj vecttbl.obj dbsct.obj lowsrc.obj lowlvl.obj sbrk.obj

rlink -output=LoadModule.sty -form=stype -output=LoadModule.mot LoadModule.abs