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kinetis/ldscript: include _rom_offset

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- To be able to flash at an offset the vector table must be
  relocated accordingly to the IMAGE_OFFSET, therefore linkage
  needs to take the offset into account.
This commit is contained in:
francisco 2019-05-27 15:55:58 +02:00
parent 43182bd8f7
commit f0311ce1fa
1 changed files with 13 additions and 9 deletions
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22
cpu/kinetis/ldscripts/kinetis.ld
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@ -25,11 +25,15 @@ OUTPUT_ARCH(arm)
_vectors_length = 0x400; _vectors_length = 0x400;
_flashsec_length = 0x10; _flashsec_length = 0x10;
INCLUDE cortexm_rom_offset.ld
_flash_sec_offset = _vectors_length + _rom_offset;
MEMORY MEMORY
{ {
vectors : ORIGIN = _rom_start_addr, LENGTH = _vectors_length vectors : ORIGIN = _rom_start_addr + _rom_offset, LENGTH = _vectors_length
flashsec : ORIGIN = _rom_start_addr + _vectors_length, LENGTH = _flashsec_length flashsec : ORIGIN = _rom_start_addr + _vectors_length + _rom_offset, LENGTH = _flashsec_length
rom (rx) : ORIGIN = _rom_start_addr + _vectors_length + _flashsec_length, LENGTH = _rom_length - (_vectors_length + _flashsec_length) rom (rx) : ORIGIN = _rom_start_addr + _vectors_length + _flashsec_length + _rom_offset, LENGTH = _fw_rom_length - (_vectors_length + _flashsec_length)
ram (!rx) : ORIGIN = _ram_start_addr, LENGTH = _ram_length ram (!rx) : ORIGIN = _ram_start_addr, LENGTH = _ram_length
} }
@ -41,9 +45,9 @@ SECTIONS
_isr_vectors = .; _isr_vectors = .;
KEEP(*(SORT(.vector*))) KEEP(*(SORT(.vector*)))
} > vectors } > vectors
ASSERT (SIZEOF(.vector) == 0x400, "Interrupt vector table of invalid size.") ASSERT (SIZEOF(.vector) == _vectors_length, "Interrupt vector table of invalid size.")
ASSERT (ADDR(.vector) == 0x00000000, "Interrupt vector table at invalid location (linker-script error?)") ASSERT (ADDR(.vector) == _rom_offset, "Interrupt vector table at invalid location (linker-script error?)")
ASSERT (LOADADDR(.vector) == 0x00000000, "Interrupt vector table at invalid location (linker-script error?)") ASSERT (LOADADDR(.vector) == _rom_offset, "Interrupt vector table at invalid location (linker-script error?)")
/* Flash configuration field, very important in order to not accidentally lock the device */ /* Flash configuration field, very important in order to not accidentally lock the device */
/* Flash configuration field 0x400-0x40f. */ /* Flash configuration field 0x400-0x40f. */
@ -53,9 +57,9 @@ SECTIONS
KEEP(*(.fcfield)) KEEP(*(.fcfield))
. = ALIGN(4); . = ALIGN(4);
} > flashsec } > flashsec
ASSERT (SIZEOF(.fcfield) == 0x10, "Flash configuration field of invalid size (linker-script error?)") ASSERT (SIZEOF(.fcfield) == _flashsec_length, "Flash configuration field of invalid size (linker-script error?)")
ASSERT (ADDR(.fcfield) == 0x400, "Flash configuration field at invalid position (linker-script error?)") ASSERT (ADDR(.fcfield) == _flash_sec_offset, "Flash configuration field at invalid position (linker-script error?)")
ASSERT (LOADADDR(.fcfield) == 0x400, "Flash configuration field at invalid position (linker-script error?)") ASSERT (LOADADDR(.fcfield) == _flash_sec_offset, "Flash configuration field at invalid position (linker-script error?)")
} }
INCLUDE cortexm_base.ld INCLUDE cortexm_base.ld