Subversion Repositories openrisc

#  NOTE: The debugger uses the Illegal Instruction Vector to stop.

#  A small subroutine is written at the location VBR+0x408-VBR+0x40B

#  to handle the exception.  The Illegal Instruction Vector in

#  the the vector table at VBR+0x10 is then pointed to it.  When the

#  debugger encounters an illegal instruction, it jumps to this

#  subroutine, which ends with an RTE, then exits.

#  Do not overwrite this area of memory otherwise the debugger may not

#  exit properly.

# */

MEMORY

{

        vectorflash(RX) : ORIGIN = 0x00000000, LENGTH = 0x00000418

    flash   (RX)   : ORIGIN = 0x00000420, LENGTH = 0x0007FC00

        vectorram(RWX) : ORIGIN = 0x20000000, LENGTH = 0x00000400

        sram    (RWX)  : ORIGIN = 0x20000400, LENGTH = 0x0000FA00

        ipsbar  (RWX)  : ORIGIN = 0x40000000, LENGTH = 0x0

}

SECTIONS

{

        .ipsbar  : {} > ipsbar

        .vectorflash :

        {

                mcf5225x_vectors.s (.text)

    } > vectorflash

        .flash :

        {

                *(.text)

                .                          = ALIGN(0x10);

                *(.rodata)

                ___DATA_ROM        = .;

    } > flash

    .data : AT(___DATA_ROM)

        {

                ___DATA_RAM    = . ;

        *(.exception)

                .              = ALIGN(0x10);

                __exception_table_start__ = .;

            EXCEPTION

                __exception_table_end__   = .;

                ___sinit__     = .;

            STATICINIT

        *(.data)

        *(.relocate_code)

                .              = ALIGN (0x10);

                ___DATA_END    = .;

                __START_SDATA  = .;

        *(.sdata)

                .              = ALIGN (0x10);

                __END_SDATA    = .;

                __SDA_BASE     = .;

                .              = ALIGN(0x10);

        } > sram

        .bss :

        {

                . = ALIGN(0x10);

                __START_SBSS = .;

                *(.sbss)

                *(SCOMMON)

                __END_SBSS   = .;

                . = ALIGN(0x10);

                __START_BSS  = .;

                *(.bss)

                *(COMMON)

                __END_BSS    = .;

        ___BSS_START = __START_SBSS;

        ___BSS_END   = __END_BSS;

        . = ALIGN(0x10);

        } >> sram

        ___FLASH                = ADDR(.vectorflash);

        ___FLASH_SIZE   = 0x00080000;

        ___SRAM                 = 0x20000400;

        ___SRAM_SIZE    = 0x0000FC00;

        ___VECTOR_RAM   = 0x20000000;

        ___IPSBAR               = ADDR(.ipsbar);

    ___SP_SIZE      = 0x200;

        ___HEAP_START   = .;

        ___HEAP_END             = ___SRAM + ___SRAM_SIZE - ___SP_SIZE;

        ___SP_END               = ___HEAP_END;

        ___SP_INIT              = ___SP_END + ___SP_SIZE;

        ___heap_addr    = ___HEAP_START;

        ___heap_size    = ___HEAP_END - ___HEAP_START ;

        __SP_INIT               = ___SP_INIT;

}