第16章　 システム初期化処理

 #pragma entry PowerON_Reset_PC

 #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    "kernel.h"                  // Provided by RI600V4

 #include    "kernel_id.h"               // Generated by cfg600

 #if (((_RI_CLOCK_TIMER) >=0) && ((_RI_CLOCK_TIMER) <= 3))

 #include    "ri_cmt.h"   // Generated by cfg600
                       // Do comment-out when clock.timer is either NOTIMER or OTHER.

 #endif

 #ifdef __cplusplus

 extern "C" {

 #endif

 void PowerON_Reset_PC(void);

 void main(void);

 #ifdef __cplusplus

 }

 #endif

 //#ifdef __cplusplus                // Use SIM I/O

 //extern "C" {

 //#endif

 //extern void _INIT_IOLIB(void);

 //extern void _CLOSEALL(void);

 //#ifdef __cplusplus

 //}

 //#endif

 #define FPSW_init 0x00000000    // FPSW 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 to PResetPRG section

 /////////////////////////////////////////////////////////////////////////////

 // Boot processing

 /////////////////////////////////////////////////////////////////////////////

 #pragma entry PowerON_Reset_PC

 void PowerON_Reset_PC(void)

 { 

 #ifdef __ROZ                    // Initialize FPSW

 #define _ROUND 0x00000001           // Let FPSW RMbits=01 (round to zero)

 #else

 #define _ROUND 0x00000000           // Let FPSW RMbits=00 (round to nearest)

 #endif

 #ifdef __DOFF

 #define _DENOM 0x00000100           // Let FPSW DNbit=1 (denormal as zero)

 #else

 #define _DENOM 0x00000000           // Let FPSW DNbit=0 (denormal as is)

 #endif

 //    set_extb(__sectop("FIX_INTERRUPT_VECTOR"));// Initialize EXTB register

                                                  //  (only for RXv2 arch.)

     set_fpsw(FPSW_init | _ROUND | _DENOM);

     _INITSCT();

 //  _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

     nop();

 //  set_fintv(<handler address>);   // Initialize FINTV register

 #if (((_RI_CLOCK_TIMER) >=0) && ((_RI_CLOCK_TIMER) <= 3))

     _RI_init_cmt();  // Initialize CMT for RI600V4

             // Do comment-out when clock.timer is either NOTIMER or OTHER.

 #endif

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

     vsta_knl();                     // Start RI600V4

                                     // Never return from vsta_kn

 //  _CLOSEALL();                    // Use SIM I/O

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

     brk();

 }

 /////////////////////////////////////////////////////////////////////////////

 // System down routine for RI600V4

 /////////////////////////////////////////////////////////////////////////////

 #pragma section P PRI_KERNEL

 #pragma section B BRI_RAM

 struct SYSDWN_INF{

     W   type;

     VW  inf1;

     VW  inf2;

     VW  inf3;

 };

 volatile struct SYSDWN_INF _RI_sysdwn_inf;
 
 void _RI_sys_dwn__( W type, VW inf1, VW inf2, VW inf3 )

 {

    // Now PSW.I=0 (all interrupts are masked.)

     _RI_sysdwn_inf.type = type;

     _RI_sysdwn_inf.inf1 = inf1;

     _RI_sysdwn_inf.inf2 = inf2;

     _RI_sysdwn_inf.inf3 = inf3;

    while(1)

    ;

 }

 /////////////////////////////////////////////////////////////////////////////

 // RI600V4 system data

 /////////////////////////////////////////////////////////////////////////////

 #include "kernel_ram.h"     // generated by cfg600

 #include "kernel_rom.h"     // generated by cfg600

 #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") },

     /* RI600V4 section */

     { __sectop("DRI_ROM"), __secend("DRI_ROM"), __sectop("RRI_RAM") }

 };

 #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 L1100 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