From 4f8ae14c18e15ffc6bc0a33fd3151fff193c9829 Mon Sep 17 00:00:00 2001 From: Bernhard Bablok Date: Fri, 28 Apr 2023 08:56:52 +0200 Subject: [PATCH] update to upstream version --- .../boards/pimoroni_plasma2040w/link.ld | 295 +----------------- 1 file changed, 1 insertion(+), 294 deletions(-) diff --git a/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld b/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld index 2777b41720..e814bead4c 100644 --- a/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld +++ b/ports/raspberrypi/boards/pimoroni_plasma2040w/link.ld @@ -1,294 +1 @@ -/* Based on GCC ARM embedded samples. - Defines the following symbols for use by code: - __exidx_start - __exidx_end - __etext - __data_start__ - __preinit_array_start - __preinit_array_end - __init_array_start - __init_array_end - __fini_array_start - __fini_array_end - __data_end__ - __bss_start__ - __bss_end__ - __end__ - end - __HeapLimit - __StackLimit - __StackTop - __stack (== StackTop) -*/ - -MEMORY -{ - FLASH_FIRMWARE (rx) : ORIGIN = 0x10000000, LENGTH = 1532k - /* Followed by: 4kB of NVRAM and at least 512kB of CIRCUITPY */ - RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 256k - SCRATCH_X (rwx) : ORIGIN = 0x20040000, LENGTH = 4k - SCRATCH_Y (rwx) : ORIGIN = 0x20041000, LENGTH = 4k -} - -ENTRY(_entry_point) - -SECTIONS -{ - /* Second stage bootloader is prepended to the image. It must be 256 bytes big - and checksummed. It is usually built by the boot_stage2 target - in the Pico SDK - */ - - .flash_begin : { - __flash_binary_start = .; - } > FLASH_FIRMWARE - - .boot2 : { - __boot2_start__ = .; - KEEP (*(.boot2)) - __boot2_end__ = .; - } > FLASH_FIRMWARE - - ASSERT(__boot2_end__ - __boot2_start__ == 256, - "ERROR: Pico second stage bootloader must be 256 bytes in size") - - /* The second stage will always enter the image at the start of .text. - The debugger will use the ELF entry point, which is the _entry_point - symbol if present, otherwise defaults to start of .text. - This can be used to transfer control back to the bootrom on debugger - launches only, to perform proper flash setup. - */ - - .text : { - __logical_binary_start = .; - KEEP (*(.vectors)) - KEEP (*(.binary_info_header)) - __binary_info_header_end = .; - KEEP (*(.reset)) - /* TODO revisit this now memset/memcpy/float in ROM */ - /* bit of a hack right now to exclude all floating point and time critical (e.g. memset, memcpy) code from - * FLASH ... we will include any thing excluded here in .data below by default */ - *(.init) - - __property_getter_start = .; - *(.property_getter) - __property_getter_end = .; - __property_getset_start = .; - *(.property_getset) - __property_getset_end = .; - - *(EXCLUDE_FILE(*libgcc.a: *libc.a:*lib_a-mem*.o *libm.a:) .text*) - *(.fini) - /* Pull all c'tors into .text */ - *crtbegin.o(.ctors) - *crtbegin?.o(.ctors) - *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) - *(SORT(.ctors.*)) - *(.ctors) - /* Followed by destructors */ - *crtbegin.o(.dtors) - *crtbegin?.o(.dtors) - *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) - *(SORT(.dtors.*)) - *(.dtors) - - *(.eh_frame*) - . = ALIGN(4); - } > FLASH_FIRMWARE - - .rodata : { - *(EXCLUDE_FILE(*libgcc.a: *libc.a:*lib_a-mem*.o *libm.a:) .rodata*) - . = ALIGN(4); - *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.flashdata*))) - . = ALIGN(4); - } > FLASH_FIRMWARE - - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } > FLASH_FIRMWARE - - __exidx_start = .; - .ARM.exidx : - { - *(.ARM.exidx* .gnu.linkonce.armexidx.*) - } > FLASH_FIRMWARE - __exidx_end = .; - - /* Machine inspectable binary information */ - . = ALIGN(4); - __binary_info_start = .; - .binary_info : - { - KEEP(*(.binary_info.keep.*)) - *(.binary_info.*) - } > FLASH_FIRMWARE - __binary_info_end = .; - . = ALIGN(4); - - /* End of .text-like segments */ - __etext = .; - - .ram_vector_table (COPY): { - *(.ram_vector_table) - } > RAM - - .data : { - __data_start__ = .; - *(vtable) - - *(.time_critical*) - - /* remaining .text and .rodata; i.e. stuff we exclude above because we want it in RAM */ - *(.text*) - . = ALIGN(4); - *(.rodata*) - . = ALIGN(4); - - *(.data*) - - . = ALIGN(4); - *(.after_data.*) - . = ALIGN(4); - /* preinit data */ - PROVIDE_HIDDEN (__mutex_array_start = .); - KEEP(*(SORT(.mutex_array.*))) - KEEP(*(.mutex_array)) - PROVIDE_HIDDEN (__mutex_array_end = .); - - . = ALIGN(4); - /* preinit data */ - PROVIDE_HIDDEN (__preinit_array_start = .); - KEEP(*(SORT(.preinit_array.*))) - KEEP(*(.preinit_array)) - PROVIDE_HIDDEN (__preinit_array_end = .); - - . = ALIGN(4); - /* init data */ - PROVIDE_HIDDEN (__init_array_start = .); - KEEP(*(SORT(.init_array.*))) - KEEP(*(.init_array)) - PROVIDE_HIDDEN (__init_array_end = .); - - . = ALIGN(4); - /* finit data */ - PROVIDE_HIDDEN (__fini_array_start = .); - *(SORT(.fini_array.*)) - *(.fini_array) - PROVIDE_HIDDEN (__fini_array_end = .); - - *(.jcr) - . = ALIGN(4); - /* All data end */ - __data_end__ = .; - } > RAM AT> FLASH_FIRMWARE - - .itcm : - { - . = ALIGN(4); - *(.itcm.*) - - . = ALIGN(4); - } > RAM AT> FLASH_FIRMWARE - _ld_itcm_destination = ADDR(.itcm); - _ld_itcm_flash_copy = LOADADDR(.itcm); - _ld_itcm_size = SIZEOF(.itcm); - - .dtcm_data : - { - . = ALIGN(4); - - *(.dtcm_data.*) - - . = ALIGN(4); - } > RAM AT> FLASH_FIRMWARE - _ld_dtcm_data_destination = ADDR(.dtcm_data); - _ld_dtcm_data_flash_copy = LOADADDR(.dtcm_data); - _ld_dtcm_data_size = SIZEOF(.dtcm_data); - - .dtcm_bss : - { - . = ALIGN(4); - - *(.dtcm_bss.*) - - . = ALIGN(4); - } > RAM AT> RAM - _ld_dtcm_bss_start = ADDR(.dtcm_bss); - _ld_dtcm_bss_size = SIZEOF(.dtcm_bss); - - .uninitialized_data (COPY): { - . = ALIGN(4); - *(.uninitialized_data*) - } > RAM - - /* Start and end symbols must be word-aligned */ - .scratch_x : { - __scratch_x_start__ = .; - *(.scratch_x.*) - . = ALIGN(4); - __scratch_x_end__ = .; - } > SCRATCH_X AT > FLASH_FIRMWARE - __scratch_x_source__ = LOADADDR(.scratch_x); - - .scratch_y : { - __scratch_y_start__ = .; - *(.scratch_y.*) - . = ALIGN(4); - __scratch_y_end__ = .; - } > SCRATCH_Y AT > FLASH_FIRMWARE - __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 - - /* .stack*_dummy section doesn't contains any symbols. It is only - * used for linker to calculate size of stack sections, and assign - * values to stack symbols later - * - * stack1 section may be empty/missing if platform_launch_core1 is not used */ - - /* by default we put core 0 stack at the end of scratch Y, so that if core 1 - * stack is not used then all of SCRATCH_X is free. - */ - .stack1_dummy (COPY): - { - *(.stack1*) - } > SCRATCH_X - .stack_dummy (COPY): - { - *(.stack*) - } > SCRATCH_Y - - .flash_end : { - __flash_binary_end = .; - } > FLASH_FIRMWARE - - /* stack limit is poorly named, but historically is maximum heap ptr */ - __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); - - /* Check if data + heap + stack exceeds RAM limit */ - 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") - /* todo assert on extra code */ -} +firmware_size = 1532k;