mcu.g12.dvm/generate/linker_script.ld

MEMORY
{
	VEC		: ORIGIN = 0x00, 	LENGTH = 0x04				/* 0x00000 - 0x00003 */
	IVEC 	: ORIGIN = 0x04,	LENGTH = 0x80 - 0x04		/* 0x00004 - 0x0007F */ 
	CALLT0 	: ORIGIN = 0x80,	LENGTH = 0x40				/* 0x00080 = 0x000BF */
	OPT		: ORIGIN = 0xC0,	LENGTH = 0x04				/* 0x000C0 - 0x000C3 */
	SEC_ID	: ORIGIN = 0xC4,	LENGTH = 0x0A				/* 0x000C4 - 0x000CD */
	
	OCDSTAD	: ORIGIN = 0xCE,	LENGTH = 0xA0				/* 0x000CE - 0x000D7 CA78K0R on chip debugging */
	OCDROM	: ORIGIN = 0x3E00,	LENGTH = 0x200				/* 0x03E00 - 0x03FFF CA78K0R on chip debugging */

	ROM		: ORIGIN = 0xD8,	LENGTH = 0x3E00 -0xD8		/* 0x000D8 - 0x03DFF */
	
	MIRROR	: ORIGIN = 0xF2000, LENGTH = 0x2000				/* 0xF2000 - 0xF3FFF */
    SADDR	: ORIGIN = 0xFFE20, LENGTH = 0x0100				/* 0xFFE20 - 0xFFF1F */
	SELFRAM	: ORIGIN = 0xFF900, LENGTH = 136
	RAM		: ORIGIN = 0xFF988, LENGTH = 0xFFE20 -0xFF988	/* 0xFF988 - 0xFFE1F */
}

EXTERN(_Option_Bytes _Security_Id _Debug_Monitor _HardwareVectors _Vectors)

SECTIONS
{
	.vec 0x0: AT(0x0)
	{
		KEEP(*(.vec))
	} > VEC
	.vects 0x4: AT(0x4)
	{
		KEEP(*(.vects))
	} > IVEC

	.callt0 0x80 : AT(0x80)
	{
		. = ALIGN(2);
		KEEP(*(.callt0))
	} > CALLT0

	.option_byte 0xC0 : AT(0xC0)
	{
		KEEP(*(.option_bytes))
	} > OPT
	
	.security_id 0xC4: AT(0xC4)
	{
		KEEP(*(.security_id))
	} > SEC_ID
	
	.debug_monitor 0xCE : AT(0xCE)
	{
		KEEP(*(.debug_monitor))
	} > OCDSTAD
	
	.lowtext 0xD8: AT(0xD8)
	{
		*(.plt)
		*(.lowtext)
	} > ROM

	__mdata = .;

	.init :
	{
		KEEP(*(.init))
	} > ROM

	.fini :
	{
		KEEP(*(.fini))
	} > ROM

	PROVIDE(__rodata_limit = CONSTANT(MIRRORAREASTART)+0x2000 + LENGTH(MIRROR));

	/* The rodata section is placed in MIRROR area in order to access as near addressing. */
	.rodata MAX(., (CONSTANT(MIRRORAREASTART)+0x2000)):
	{
		. = ALIGN(2);
		__rodata = .;
		*(.rodata)
		*(.rodata.*)
		. = ALIGN(2);
		*(.const)
		*(.const.*)

		. = ALIGN(2);
		PROVIDE(__init_array_start = .);
		KEEP(*(SORT(.init_array.*)))
		KEEP(*(.init_array))
		PROVIDE(__init_array_end = .);
		PROVIDE(__fini_array_start = .);
		KEEP(*(.fini_array))
		KEEP(*(SORT(.fini_array.*)))
		PROVIDE(__fini_array_end = .);	
		__erodata = .;
		/*The rodata section is copied into the MIRROR area, that is why we check if the start and end addresses for rodata are less then  _rodata_limit*/
		ASSERT((SIZEOF (.rodata) == 0) || (__rodata < __rodata_limit), "Error: rodata section start address is too large. Move the text section after the rodata section to ensure that correct data is added to the MIRROR area.");
		ASSERT((SIZEOF (.rodata) == 0) || (__erodata <= __rodata_limit), "Error: rodata section size exceeds length of the MIRROR area.");

	}>ROM

	.text (. + __romdatacopysize) :
	{
		. = ALIGN(2);
		*(mfdl)
				
		. = ALIGN(2);
		*(PFDL_COD)
		*(PFDL_COD.*)

		. = ALIGN(2);
		*(.text)
		*(.text.*)
		/*INPUT_SECTION_FLAGS(SHF_EXECINSTR) *(*_n)*/
	} >ROM AT>ROM

	.textf :
	{
		*(.textf)
		*(.textf.*)
		/*INPUT_SECTION_FLAGS(SHF_EXECINSTR) *(*_f)*/
	}>ROM

	.frodata :
	{
		. = ALIGN(2);
		__frodata = .;
		*(.frodata)
		*(.frodata.*)
		__efrodata = .;

		. = ALIGN(2);
		__constf = .;
		*(.constf)
		*(.constf.*)
		__econstf = .;
	} >ROM

	.eh_frame_hdr :
	{
		KEEP(*(.eh_frame_hdr))
	} > ROM
	.eh_frame :
	{
		KEEP(*(.eh_frame))
	} > ROM

	.data 0xFFC8A : AT(__mdata)
	{
		. = ALIGN(2);
		PROVIDE (__datastart = .);
		__data = .;
		*(.data)
		*(.data.*)
		. = ALIGN(2);
		/*INPUT_SECTION_FLAGS(!SHF_EXECINSTR, SHF_WRITE, SHF_ALLOC) *(*_n)*/
		__edata = .;
	} >RAM


	PROVIDE(__romdatastart = LOADADDR(.data));
	PROVIDE (__romdatacopysize = SIZEOF(.data));


	.dataf : {
		. = ALIGN(2);
		PROVIDE (__datafstart = .);
		. = ALIGN(2);
		*(.dataf)
		*(.dataf.*)
		/*INPUT_SECTION_FLAGS(!SHF_EXECINSTR, SHF_WRITE, SHF_ALLOC) *(*_f)*/
		. = ALIGN(2);
		PROVIDE (__datafend = .);
	} > RAM AT> ROM
	PROVIDE(__romdatafstart = LOADADDR(.dataf));
	PROVIDE (__romdatafcopysize = SIZEOF(.dataf));


	.sdata : {
		. = ALIGN(2);
		PROVIDE (__sdatastart = .);
		*(.sdata)
		*(.sdata.*)
		. = ALIGN(2);
		PROVIDE (__sdataend = .);
	} > SADDR AT> ROM

	 /* Note that crt0 assumes this is a multiple of two; all the
	 start/stop symbols are also assumed word-aligned.  */
	 PROVIDE(__romsdatastart = LOADADDR(.sdata));
	 PROVIDE (__romsdatacopysize = SIZEOF(.sdata));


	.saddr : {

		. = ALIGN(2);
		PROVIDE (__saddrstart = .);
		*(.saddr)
		. = ALIGN(2);

	} >SADDR AT>ROM
	PROVIDE(__romsaddrstart = LOADADDR(.saddr));
	PROVIDE (__romsaddrcopysize = SIZEOF(.saddr));



	.sbss :
	{
		PROVIDE(__sbssstart = .);
		. = ALIGN(2);
		__sbss = .;
		*(.sbss)
		*(.sbss.*)
		/*INPUT_SECTION_FLAGS(!SHF_EXECINSTR, SHF_WRITE, SHF_ALLOC) *(*_s)*/
		. = ALIGN(2);
		*(.sbss_bit)
		. = ALIGN(2);
		__esbss = .;

	} >SADDR AT>SADDR
	PROVIDE(__sbsssize = SIZEOF(.sbss));

	.bss :
	{
		PROVIDE(__bssstart = .);
		. = ALIGN(2);
		__bss = .;
		*(.bss)
		*(.bss.*)
		. = ALIGN(2);
		*(.bss_bit)
		. = ALIGN(2);
		*(COMMON)
		. = ALIGN(2);
		__ebss = .;
	} >RAM AT>RAM
	PROVIDE(__bsssize = SIZEOF(.bss));

	
	.bssf (NOLOAD):
	{
		PROVIDE(__bssfstart = .);
		. = ALIGN(2);
		*(.bssf)
		*(.bssf.*)
		/*INPUT_SECTION_FLAGS(!SHF_EXECINSTR, SHF_WRITE, SHF_ALLOC) *(*_f)*/
		. = ALIGN(128);
		__end = .;
	} >RAM AT>RAM
	PROVIDE(__bssfsize = SIZEOF(.bssf));

	PROVIDE(__stack_size = 0x64);
	.stack 0xFFE20 (NOLOAD) : AT(0xFFE20)
	{

		PROVIDE(__stack = .);
		ASSERT((__stack > (__end + __stack_size)), "Error: Too much data - no room left for the stack");
	} >RAM

	/DISCARD/ :
	{
		*(.note)
		*(.note.*)
		*(.gnu.warning*)
	}
}