*** newlib/libc/sys/h8300hms/read.c.original	Thu Nov 14 17:20:04 2002
--- newlib/libc/sys/h8300hms/read.c.modified	Fri Nov 29 13:51:42 2002
*************** int _read(file, ptr, len)
*** 5,27 ****
       char *ptr;
       int len;
  {
! 	register int ret asm("r0") ;
! 
! 	/* Type cast int as short so that we can copy int values into 16 bit 
! 	   registers in case of -mint32 switch is given.
! 	   This is not going to affect data as file= 0 for stdin and len=1024 */
! 
! 	asm("mov.b %0, r0l"::  "i" (SYS_read)) ; /* Syscall Number */
! 	asm("mov.w %0, r1" :: "r"((short)file) :"r1", "r2", "r3") ;
! 	asm("mov.w %0, r3" :: "r"((short)len) :"r1", "r2", "r3") ;
! #ifdef __H8300__
! 	asm("mov.w %0, r2" :: "r"(ptr) :"r1", "r2", "r3") ;
! #else
! 	asm("mov.l %0, er2" :: "r"(ptr) :"r1", "er2", "r3") ;
! #endif
! 	// This is magic trap similar to _write for simulator
! 	asm("jsr @@0xc8") ;
!   return ret;
  }
  
  
--- 5,11 ----
       char *ptr;
       int len;
  {
!   asm("jsr @@0xc6") ;
  }
  
  
*** newlib/libc/sys/h8300hms/write.c.original	Thu Nov 14 17:20:19 2002
--- newlib/libc/sys/h8300hms/write.c.modified	Fri Nov 29 13:52:23 2002
*************** int _write(file, ptr, len)
*** 5,16 ****
       char *ptr;
       int len;
  {
!   int todo;
!   
!   for (todo = 0; todo < len; todo++) 
!     {
!       asm("mov.b #0,r1l\n mov.b %0l,r2l\njsr @@0xc4"   :  : "r" (*ptr++)  : "r1", "r2");
!     }
!   return len;
  }
  
--- 5,10 ----
       char *ptr;
       int len;
  {
!   asm("jsr @@0xc7");
  }
  
*** newlib/libc/sys/h8300hms/syscalls.c.original	Thu Nov 14 17:19:38 2002
--- newlib/libc/sys/h8300hms/syscalls.c.modified	Fri Nov 29 13:52:57 2002
***************
*** 4,23 ****
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <errno.h>
  
  
  int _DEFUN(_lseek,(file, ptr, dir),
  	  int file _AND
  	  int ptr _AND
  	  int dir)
  {
!   return 0;
  }
  
  int _DEFUN(_close,(file),
  	  int file)
  {
!   return -1;
  }
  
  int isatty(file)
--- 4,31 ----
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <errno.h>
+ #include "sys/syscall.h"
  
+ int
+ _open (path, flags)
+      const char *path;
+      int flags;
+ {
+   asm("jsr @@0xc5");
+ }
  
  int _DEFUN(_lseek,(file, ptr, dir),
  	  int file _AND
  	  int ptr _AND
  	  int dir)
  {
!   asm("jsr @@0xc8");
  }
  
  int _DEFUN(_close,(file),
  	  int file)
  {
!   asm("jsr @@0xc9");
  }
  
  int isatty(file)
*************** int isatty(file)
*** 26,45 ****
    return 1;
  }
  
! int _DEFUN(_fstat,(file, st),
! 	  int file _AND
! 	  struct stat *st)
  {
!   st->st_mode = S_IFCHR;
!   return 0;
  }
  
! int
! _open (path, flags)
!      const char *path;
!      int flags;
  {
!   return 0;
  }
  
  int
--- 34,52 ----
    return 1;
  }
  
! int _DEFUN(_stat,(path, sbuf),
! 	const char *path _AND
! 	struct stat *st)
  {
!   asm("jsr @@0xca");
  }
  
! 
! int _DEFUN(_fstat,(file, st),
!         int file _AND
!         struct stat *st)
  {
!   asm("jsr @@0xcb"); 
  }
  
  int
*** include/opcode/h8300.h.original	Thu Nov 14 17:35:40 2002
--- include/opcode/h8300.h.modified	Mon Dec  2 17:11:07 2002
*************** struct h8_opcode 
*** 305,310 ****
--- 305,320 ----
  #define O_STM 86
  #define O_STMAC 87
  #define O_LAST 88
+ /* Change made for System Call processing.  */
+ #define O_SYS_CREAT 100
+ #define O_SYS_OPEN 101
+ #define O_SYS_READ 102
+ #define O_SYS_WRITE 103
+ #define O_SYS_LSEEK 104
+ #define O_SYS_CLOSE 105
+ #define O_SYS_STAT 106
+ #define O_SYS_FSTAT 107
+ /* End of System Call specific Changes.  */
  #define SB 0
  #define SW 1
  #define SL 2