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majenkotechmajenkotech
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Added linker scripts for MX695 to core
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‎pic32/cores/pic32/chipKIT-application-32MX695F512-nobootloader.ld

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/* Default linker script, for normal executables */
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OUTPUT_FORMAT("elf32-tradlittlemips")
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OUTPUT_ARCH(pic32mx)
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ENTRY(_reset)
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/*
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* Provide for a minimum stack and heap size
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* - _min_stack_size -/* Default linker script, for normal executables */
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OUTPUT_FORMAT("elf32-tradlittlemips")
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OUTPUT_ARCH(pic32mx)
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ENTRY(_reset)
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/*
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* Provide for a minimum stack and heap size
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* - _min_stack_size - represents the minimum space that must be made
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* available for the stack. Can be overridden from
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* the command line using the linker's --defsym option.
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* - _min_heap_size - represents the minimum space that must be made
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* available for the heap. Can be overridden from
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* the command line using the linker's --defsym option.
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*/
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EXTERN (_min_stack_size _min_heap_size)
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PROVIDE(_min_stack_size = 0x800) ;
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PROVIDE(_min_heap_size = 0x800) ;
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/*************************************************************************
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* Processor-specific object file. Contains SFR definitions.
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*************************************************************************/
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INPUT("processor.o")
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/*************************************************************************
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* Memory Regions
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*
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* Memory regions without attributes cannot be used for orphaned sections.
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* Only sections specifically assigned to these regions can be allocated
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* into these regions.
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*************************************************************************/
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MEMORY
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{
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exception_mem : ORIGIN = 0x9D000000, LENGTH = 0x1000
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kseg0_program_mem (rx) : ORIGIN = 0x9D001000, LENGTH = 0x7E000
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kseg0_eeprom_mem : ORIGIN = 0x9D07F000, LENGTH = 0x1000
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kseg0_boot_mem : ORIGIN = 0x9FC00490, LENGTH = 0x970
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kseg1_boot_mem : ORIGIN = 0xBFC00000, LENGTH = 0x490
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debug_exec_mem : ORIGIN = 0xBFC02000, LENGTH = 0xFF0
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config3 : ORIGIN = 0xBFC02FF0, LENGTH = 4
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config2 : ORIGIN = 0xBFC02FF4, LENGTH = 4
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config1 : ORIGIN = 0xBFC02FF8, LENGTH = 4
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config0 : ORIGIN = 0xBFC02FFC, LENGTH = 4
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kseg1_data_mem (w!x) : ORIGIN = 0xA0000000, LENGTH = 0x20000
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sfrs : ORIGIN = 0xBF800000, LENGTH = 0x100000
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configsfrs : ORIGIN = 0xBFC02FF0, LENGTH = 0x10
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}
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/*************************************************************************
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* Memory Address Equates
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*************************************************************************/
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_ebase_address = ORIGIN(exception_mem);
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_IMAGE_PTR_TABLE = _ebase_address + 0x0F8;
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_IMAGE_HEADER_ADDR = _ebase_address + 0x0FC;
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_GEN_EXCPT_ADDR = _ebase_address + 0x180;
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_RESET_ADDR = ORIGIN(kseg1_boot_mem);
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_EEPROM_ADDR = ORIGIN(kseg0_eeprom_mem);
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_BEV_EXCPT_ADDR = 0xBFC00380;
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_DBG_EXCPT_ADDR = 0xBFC00480;
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_DBG_CODE_ADDR = ORIGIN(debug_exec_mem);
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/*************************************************************************
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* Bootloader program directives.
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*
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* _IMAGE_TYPE
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*
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* image type:
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*/
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_imageReserved = 0x00000000 ;
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_imageMPIDE = 0x00000001 ; /* This is a normal MPIDE sketch */
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_imageBootFlashBootloader = 0x00000002 ; /* This is a boot flash bootloader */
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_imageProgramFlashBootloader = 0x00000004 ; /* This is a program flash bootloader */
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_imageSplitFlashBootloader = 0x00000008 ; /* This has bootloader code in both boot and program flash */
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/*
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* Instructions for the bootloader
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*/
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_imageFullFlashEraseLess4KEEProm = 0x00010000 ; /* The original bootloader method of erasing all of program flash except the last 4K reserved for eeprom */
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_imageJustInTimeFlashErase = 0x00020000 ; /* Only flash pages written too needed by the sketch is erased */
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_imageLinkerSpecifiedFlashErase = 0x00040000 ; /* The linker defines the flash range to erase */
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_imageFullFlashErase = 0x00080000 ; /* All of flash is erased */
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_imageExecutionJumpAddress = 0x01000000 ; /* the bootloader will jump to the execution jump address immediately after programming */
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_imageExecutionJumpToFirstInFlash = 0x02000000 ; /* the bootloader will jump to the first sketch loaded in flash ignoring the execution jump address immediately after programming */
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/*
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* _IMAGE_FLASH_SIZE
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*
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* Typically _imageJustInTimeFlashErase is selected to just erase the pages
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* of flash that code is written too; thus leaving all other flash pages untouched.
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*
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* If _imageLinkerSpecifiedFlashErase set, then the range
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* starting from _ebase_address for _IMAGE_FLASH_SIZE bytes are erased.
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*
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* If _imageFullFlashErase is specified, than the whole flash
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* as known by the bootloader will be erased. This will erase eeprom as well
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*
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* if _imageFullFlashEraseLess4KEEProm is set, all of flash less the last 4K is
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* erased, this is the old default. This bit could be set to make a program flash bootloader
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* erasing everything but the old flash. If NOTHING is set, this will be the default as this is the old behavior.
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*
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* _JUMP_ADDR
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*
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* This is the address that the bootloader will jump to start execution
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* of the sketch. This is almost always _RESET_ADDR.
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*
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* However, you can specify an alternate entry execution point for example
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* if you have alternate starup code that, say, shared
114+
* the runtime with other sketches or needed some kind of specific handling
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*
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* Immediately after programming (avrdude upload) the bootloader will typically
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* jump to the just loaded sketch, no matter where it was loaded in flash.
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* _imageExecutionJumpToFirstInFlash will tell the bootloader to jump to the first
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* sketch in flash even if the just loaded one is not at the beginning of flash.
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* This is useful when programming sketches in slots of flash and then always
121+
* jumping to the program-flash loader (vector sketch) as if the board was just reset.
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* This bit does not effect jumping to a sketch already in flash after reset.
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* As of today, after reset, the first program in flash will always be jumped to.
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*
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*************************************************************************/
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_IMAGE_TYPE = _imageMPIDE | _imageJustInTimeFlashErase | _imageExecutionJumpAddress;
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_IMAGE_FLASH_SIZE = LENGTH(exception_mem) + LENGTH(kseg0_program_mem);
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_JUMP_ADDR = _RESET_ADDR;
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SECTIONS
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{
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.config_BFC02FF0 : {
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LONG(0x3AFFFFFF)
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} > config3
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.config_BFC02FF4 : {
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LONG(0xFFF879D9)
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} > config2
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.config_BFC02FF8 : {
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LONG(0xFF6ACD5B)
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} > config1
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.config_BFC02FFC : {
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LONG(0x7FFFFFFE)
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} > config0
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}
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SECTIONS
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{
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.bev_excpt _BEV_EXCPT_ADDR :
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{
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KEEP(*(.bev_handler))
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} > kseg1_boot_mem
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.dbg_excpt _DBG_EXCPT_ADDR (NOLOAD) :
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{
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. += (DEFINED (_DEBUGGER) ? 0x8 : 0x0);
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} > kseg1_boot_mem
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.dbg_code _DBG_CODE_ADDR (NOLOAD) :
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{
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. += (DEFINED (_DEBUGGER) ? LENGTH(debug_exec_mem) : 0x0);
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} > debug_exec_mem
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/* Boot Sections */
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.reset _RESET_ADDR :
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{
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KEEP(*(.reset))
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} > kseg1_boot_mem
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}
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/* From here out every linker script is the same, so just include it */
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/*INCLUDE "chipKIT-application-COMMON.ld"*/

‎pic32/cores/pic32/chipKIT-application-32MX695F512.ld

Lines changed: 136 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,136 @@
1+
/* Default linker script, for normal executables */
2+
OUTPUT_FORMAT("elf32-tradlittlemips")
3+
OUTPUT_ARCH(pic32mx)
4+
ENTRY(_reset)
5+
/*
6+
* Provide for a minimum stack and heap size
7+
* - _min_stack_size - represents the minimum space that must be made
8+
* available for the stack. Can be overridden from
9+
* the command line using the linker's --defsym option.
10+
* - _min_heap_size - represents the minimum space that must be made
11+
* available for the heap. Can be overridden from
12+
* the command line using the linker's --defsym option.
13+
*/
14+
EXTERN (_min_stack_size _min_heap_size)
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PROVIDE(_min_stack_size = 0x800) ;
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PROVIDE(_min_heap_size = 0x800) ;
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/*************************************************************************
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* Processor-specific object file. Contains SFR definitions.
20+
*************************************************************************/
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INPUT("processor.o")
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OPTIONAL("libmchp_peripheral_32MX695F512L.a")
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/*************************************************************************
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* Memory Regions
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*
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* Memory regions without attributes cannot be used for orphaned sections.
28+
* Only sections specifically assigned to these regions can be allocated
29+
* into these regions.
30+
*************************************************************************/
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MEMORY
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{
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exception_mem : ORIGIN = 0x9D000000, LENGTH = 0x1000
34+
kseg0_program_mem (rx) : ORIGIN = 0x9D001000, LENGTH = 0x7E000
35+
kseg0_eeprom_mem : ORIGIN = 0x9D07F000, LENGTH = 0x1000
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kseg0_boot_mem : ORIGIN = 0x9FC00490, LENGTH = 0
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kseg1_boot_mem : ORIGIN = 0xBFC00000, LENGTH = 0
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debug_exec_mem : ORIGIN = 0xBFC02000, LENGTH = 0
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config3 : ORIGIN = 0xBFC02FF0, LENGTH = 4
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config2 : ORIGIN = 0xBFC02FF4, LENGTH = 4
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config1 : ORIGIN = 0xBFC02FF8, LENGTH = 4
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config0 : ORIGIN = 0xBFC02FFC, LENGTH = 4
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kseg1_data_mem (w!x) : ORIGIN = 0xA0000000, LENGTH = 0x20000
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sfrs : ORIGIN = 0xBF800000, LENGTH = 0x100000
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configsfrs : ORIGIN = 0xBFC02FF0, LENGTH = 0x10
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}
47+
48+
/*************************************************************************
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* Memory Address Equates
50+
*************************************************************************/
51+
_ebase_address = ORIGIN(exception_mem);
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_IMAGE_PTR_TABLE = _ebase_address + 0x0F8;
53+
_IMAGE_HEADER_ADDR = _ebase_address + 0x0FC;
54+
_GEN_EXCPT_ADDR = _ebase_address + 0x180;
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_RESET_ADDR = ORIGIN(kseg0_program_mem);
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_EEPROM_ADDR = ORIGIN(kseg0_eeprom_mem);
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_BEV_EXCPT_ADDR = 0xBFC00380;
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_DBG_EXCPT_ADDR = 0xBFC00480;
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_DBG_CODE_ADDR = ORIGIN(debug_exec_mem);
60+
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/*************************************************************************
62+
* Bootloader program directives.
63+
*
64+
* _IMAGE_TYPE
65+
*
66+
* image type:
67+
*/
68+
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_imageReserved = 0x00000000 ;
70+
_imageMPIDE = 0x00000001 ; /* This is a normal MPIDE sketch */
71+
_imageBootFlashBootloader = 0x00000002 ; /* This is a boot flash bootloader */
72+
_imageProgramFlashBootloader = 0x00000004 ; /* This is a program flash bootloader */
73+
_imageSplitFlashBootloader = 0x00000008 ; /* This has bootloader code in both boot and program flash */
74+
75+
/*
76+
* Instructions for the bootloader
77+
*/
78+
79+
_imageFullFlashEraseLess4KEEProm = 0x00010000 ; /* The original bootloader method of erasing all of program flash except the last 4K reserved for eeprom */
80+
_imageJustInTimeFlashErase = 0x00020000 ; /* Only flash pages written too needed by the sketch is erased */
81+
_imageLinkerSpecifiedFlashErase = 0x00040000 ; /* The linker defines the flash range to erase */
82+
_imageFullFlashErase = 0x00080000 ; /* All of flash is erased */
83+
_imageExecutionJumpAddress = 0x01000000 ; /* the bootloader will jump to the execution jump address immediately after programming */
84+
_imageExecutionJumpToFirstInFlash = 0x02000000 ; /* the bootloader will jump to the first sketch loaded in flash ignoring the execution jump address immediately after programming */
85+
86+
/*
87+
* _IMAGE_FLASH_SIZE
88+
*
89+
* Typically _imageJustInTimeFlashErase is selected to just erase the pages
90+
* of flash that code is written too; thus leaving all other flash pages untouched.
91+
*
92+
* If _imageLinkerSpecifiedFlashErase set, then the range
93+
* starting from _ebase_address for _IMAGE_FLASH_SIZE bytes are erased.
94+
*
95+
* If _imageFullFlashErase is specified, than the whole flash
96+
* as known by the bootloader will be erased. This will erase eeprom as well
97+
*
98+
* if _imageFullFlashEraseLess4KEEProm is set, all of flash less the last 4K is
99+
* erased, this is the old default. This bit could be set to make a program flash bootloader
100+
* erasing everything but the old flash. If NOTHING is set, this will be the default as this is the old behavior.
101+
*
102+
* _JUMP_ADDR
103+
*
104+
* This is the address that the bootloader will jump to start execution
105+
* of the sketch. This is almost always _RESET_ADDR.
106+
*
107+
* However, you can specify an alternate entry execution point for example
108+
* if you have alternate starup code that, say, shared
109+
* the runtime with other sketches or needed some kind of specific handling
110+
*
111+
* Immediately after programming (avrdude upload) the bootloader will typically
112+
* jump to the just loaded sketch, no matter where it was loaded in flash.
113+
* _imageExecutionJumpToFirstInFlash will tell the bootloader to jump to the first
114+
* sketch in flash even if the just loaded one is not at the beginning of flash.
115+
* This is useful when programming sketches in slots of flash and then always
116+
* jumping to the program-flash loader (vector sketch) as if the board was just reset.
117+
* This bit does not effect jumping to a sketch already in flash after reset.
118+
* As of today, after reset, the first program in flash will always be jumped to.
119+
*
120+
*************************************************************************/
121+
_IMAGE_TYPE = _imageMPIDE | _imageJustInTimeFlashErase | _imageExecutionJumpAddress;
122+
_IMAGE_FLASH_SIZE = LENGTH(exception_mem) + LENGTH(kseg0_program_mem);
123+
_JUMP_ADDR = _RESET_ADDR;
124+
125+
SECTIONS
126+
{
127+
/* Boot Sections */
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.reset _RESET_ADDR :
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{
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KEEP(*(.reset))
131+
} > kseg0_program_mem
132+
}
133+
134+
/* From here out every linker script is the same, so just include it */
135+
/*INCLUDE "chipKIT-application-COMMON.ld"*/
136+

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