Motorola HC12 User Manual

Operating Procedures

Working with Relocatable Sections

MCUez HC12 Assembler

User’s Manual

MOTOROLA

Operating Procedures

223

The minimal linker parameter file will look like this:

LINK test.abs /* Name of the executable file generated. */

NAMES

  test.o

/* Name of the object files in the application. */

END

SEGMENTS

/* READ_ONLY memory area.  */

  MY_ROM  = READ_ONLY  0x0B00 TO 0x0BFF;

/* READ_WRITE memory area. */

  MY_RAM  = READ_WRITE 0x0800 TO 0x08FF;

END

PLACEMENT

/* Relocatable variable sections are allocated in MY_RAM. */

  DEFAULT_RAM    INTO MY_RAM;

/* Relocatable code and constant sections are allocated in MY_ROM. */

  DEFAULT_ROM    INTO MY_ROM;

END

INIT entry

/*  Application entry point. */

VECTOR ADDRESS 0xFFFE entry /* Initialization of the reset vector. */

The module fibo.asm located in the demo directory is a small example of using
the relocatable sections in an application.