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Diffstat (limited to 'teensy/mk20dx256.ld')
| -rw-r--r-- | teensy/mk20dx256.ld | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/teensy/mk20dx256.ld b/teensy/mk20dx256.ld new file mode 100644 index 000000000..da57cbe5c --- /dev/null +++ b/teensy/mk20dx256.ld @@ -0,0 +1,164 @@ +/* Teensyduino Core Library + * http://www.pjrc.com/teensy/ + * Copyright (c) 2013 PJRC.COM, LLC. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * 1. The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * 2. If the Software is incorporated into a build system that allows + * selection among a list of target devices, then similar target + * devices manufactured by PJRC.COM must be included in the list of + * target devices and selectable in the same manner. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 256K + RAM (rwx) : ORIGIN = 0x1FFF8000, LENGTH = 64K +} + +/* produce a link error if there is not this amount of RAM for these sections */ +_minimum_stack_size = 2K; +_minimum_heap_size = 16K; + +/* INCLUDE common.ld */ + +/* Teensyduino Core Library + * http://www.pjrc.com/teensy/ + * Copyright (c) 2013 PJRC.COM, LLC. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * 1. The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * 2. If the Software is incorporated into a build system that allows + * selection among a list of target devices, then similar target + * devices manufactured by PJRC.COM must be included in the list of + * target devices and selectable in the same manner. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + + + +SECTIONS +{ + .text : { + . = 0; + KEEP(*(.vectors)) + *(.startup*) + /* TODO: does linker detect startup overflow onto flashconfig? */ + . = 0x400; + KEEP(*(.flashconfig*)) + *(.text*) + *(.rodata*) + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + } > FLASH = 0xFF + + .ARM.exidx : { + __exidx_start = .; + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + __exidx_end = .; + } > FLASH + _etext = .; + + .usbdescriptortable (NOLOAD) : { + /* . = ORIGIN(RAM); */ + . = ALIGN(512); + *(.usbdescriptortable*) + } > RAM + + .dmabuffers (NOLOAD) : { + . = ALIGN(4); + *(.dmabuffers*) + } > RAM + + .usbbuffers (NOLOAD) : { + . = ALIGN(4); + *(.usbbuffers*) + } > RAM + + .data : AT (_etext) { + . = ALIGN(4); + _sdata = .; + *(.data*) + . = ALIGN(4); + _edata = .; + } > RAM + + .noinit (NOLOAD) : { + *(.noinit*) + } > RAM + + .bss : { + . = ALIGN(4); + _sbss = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + _ebss = .; + __bss_end = .; + } > RAM + + /* this is to define the start of the heap, and make sure we have a minimum size */ + .heap : + { + . = ALIGN(4); + _heap_start = .; /* define a global symbol at heap start */ + . = . + _minimum_heap_size; + } >RAM + + /* this just checks there is enough RAM for the stack */ + .stack : + { + . = ALIGN(4); + . = . + _minimum_stack_size; + . = ALIGN(4); + } >RAM + + _estack = ORIGIN(RAM) + LENGTH(RAM); +} + + + + |