mips1_gdb_funcs.cpp

MIPS1 implementation of GDB interface.

#include "mips1.H"

int mips1::nRegs(void) {
   return 73;
}



ac_word mips1::reg_read( int reg ) {
  /* general purpose registers */
  if ( ( reg >= 0 ) && ( reg < 32 ) )
    return RB.read( reg );
  else {
    if ( ( reg >= 33 ) && ( reg < 35 ) )
      return RB.read( reg - 1 );
    else
      /* pc */
      if ( reg == 37 )
        return ac_resources::ac_pc;
  }

  return 0;
}



void mips1::reg_write( int reg, ac_word value ) {
  /* general purpose registers */
  if ( ( reg >= 0 ) && ( reg < 32 ) )
    RB.write( reg, value );
  else
    {
      /* lo, hi */
      if ( ( reg >= 33 ) && ( reg < 35 ) )
        RB.write( reg - 1, value );
      else
        /* pc */
        if ( reg == 37 )
          ac_resources::ac_pc = value;
    }
}



unsigned char mips1::mem_read( unsigned int address ) {
  return ac_resources::IM->read_byte( address );
}



void mips1::mem_write( unsigned int address, unsigned char byte ) {
  ac_resources::IM->write_byte( address, byte );
}

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