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-
-
-
- MEMORY
- {
- FLASH(rx) : ORIGIN = 0x10000000, LENGTH = 360k
- RAM(rwx) : ORIGIN = 0x20000000, LENGTH = 256k
- SCRATCH_X(rwx) : ORIGIN = 0x20040000, LENGTH = 4k
- SCRATCH_Y(rwx) : ORIGIN = 0x20041000, LENGTH = 4k
- }
-
- ENTRY(_entry_point)
-
- SECTIONS
- {
-
-
-
- .flash_begin : {
- __flash_binary_start = .
- } > FLASH
-
- .boot2 : {
- __boot2_start__ = .
- KEEP (*(.boot2))
- __boot2_end__ = .
- } > FLASH
-
- ASSERT(__boot2_end__ - __boot2_start__ == 256,
- "ERROR: Pico second stage bootloader must be 256 bytes in size")
-
-
-
-
- .flashtext : {
- __logical_binary_start = .
- KEEP (*(.vectors))
- KEEP (*(.binary_info_header))
- __binary_info_header_end = .
- KEEP (*(.reset))
- }
-
- .rodata : {
-
- *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.flashdata*)))
- . = ALIGN(4)
- } > FLASH
-
- .ARM.extab :
- {
- *(.ARM.extab* .gnu.linkonce.armextab.*)
- } > FLASH
-
- __exidx_start = .
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
- __exidx_end = .
-
-
- . = ALIGN(4)
- __binary_info_start = .
- .binary_info :
- {
- KEEP(*(.binary_info.keep.*))
- *(.binary_info.*)
- } > FLASH
- __binary_info_end = .
- . = ALIGN(4)
-
-
- .ram_vector_table (COPY): {
- *(.ram_vector_table)
- } > RAM
-
- .text : {
- __ram_text_start__ = .
- *(.init)
- *(.text*)
- *(.fini)
-
- *crtbegin.o(.ctors)
- *crtbegin?.o(.ctors)
- *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
- *(SORT(.ctors.*))
- *(.ctors)
-
- *crtbegin.o(.dtors)
- *crtbegin?.o(.dtors)
- *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
- *(SORT(.dtors.*))
- *(.dtors)
-
- *(.eh_frame*)
- . = ALIGN(4)
- __ram_text_end__ = .
- } > RAM AT> FLASH
- __ram_text_source__ = LOADADDR(.text)
-
-
- .data : {
- __data_start__ = .
- *(vtable)
-
- *(.time_critical*)
-
- . = ALIGN(4)
- *(.rodata*)
- . = ALIGN(4)
-
- *(.data*)
-
- . = ALIGN(4)
- *(.after_data.*)
- . = ALIGN(4)
-
- PROVIDE_HIDDEN (__mutex_array_start = .)
- KEEP(*(SORT(.mutex_array.*)))
- KEEP(*(.mutex_array))
- PROVIDE_HIDDEN (__mutex_array_end = .)
-
- . = ALIGN(4)
-
- PROVIDE_HIDDEN (__preinit_array_start = .)
- KEEP(*(SORT(.preinit_array.*)))
- KEEP(*(.preinit_array))
- PROVIDE_HIDDEN (__preinit_array_end = .)
-
- . = ALIGN(4)
-
- PROVIDE_HIDDEN (__init_array_start = .)
- KEEP(*(SORT(.init_array.*)))
- KEEP(*(.init_array))
- PROVIDE_HIDDEN (__init_array_end = .)
-
- . = ALIGN(4)
-
- PROVIDE_HIDDEN (__fini_array_start = .)
- *(SORT(.fini_array.*))
- *(.fini_array)
- PROVIDE_HIDDEN (__fini_array_end = .)
-
- *(.jcr)
- . = ALIGN(4)
-
- __data_end__ = .
- } > RAM AT> FLASH
-
- __etext = LOADADDR(.data)
-
- .uninitialized_data (COPY): {
- . = ALIGN(4)
- *(.uninitialized_data*)
- } > RAM
-
-
- .scratch_x : {
- __scratch_x_start__ = .
- *(.scratch_x.*)
- . = ALIGN(4)
- __scratch_x_end__ = .
- } > SCRATCH_X AT > FLASH
- __scratch_x_source__ = LOADADDR(.scratch_x);
-
- .scratch_y : {
- __scratch_y_start__ = .
- *(.scratch_y.*)
- . = ALIGN(4)
- __scratch_y_end__ = .
- } > SCRATCH_Y AT > FLASH
- __scratch_y_source__ = LOADADDR(.scratch_y);
-
- .bss : {
- . = ALIGN(4)
- __bss_start__ = .
- *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.bss*)))
- *(COMMON)
- . = ALIGN(4)
- __bss_end__ = .
- } > RAM
-
- .heap (COPY):
- {
- __end__ = .
- end = __end__
- *(.heap*)
- __HeapLimit = .
- } > RAM
-
-
-
-
-
-
- .stack1_dummy (COPY):
- {
- *(.stack1*)
- } > SCRATCH_X
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > SCRATCH_Y
-
- .flash_end : {
- __flash_binary_end = .
- } > FLASH
-
-
- __StackLimit = ORIGIN(RAM) + LENGTH(RAM)
- __StackOneTop = ORIGIN(SCRATCH_X) + LENGTH(SCRATCH_X);
- __StackTop = ORIGIN(SCRATCH_Y) + LENGTH(SCRATCH_Y);
- __StackOneBottom = __StackOneTop - SIZEOF(.stack1_dummy)
- __StackBottom = __StackTop - SIZEOF(.stack_dummy)
- PROVIDE(__stack = __StackTop)
-
-
- ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed")
-
- ASSERT( __binary_info_header_end - __logical_binary_start <= 256, "Binary info must be in first 256 bytes of the binary")
-
- }
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