123 lines
4.0 KiB
Plaintext
123 lines
4.0 KiB
Plaintext
/*
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GNU linker script for Fomu
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*/
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ENTRY(_start)
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x20040000, LENGTH = 0x100000 /* entire flash, 1 MiB */
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FLASH_FIRMWARE (rx) : ORIGIN = 0x20040000, LENGTH = 0x100000 /* entire flash, 1 MiB */
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RAM (xrw) : ORIGIN = 0x10000000, LENGTH = 0x00020000 /* 128 KiB */
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}
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/* top end of the stack */
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_estack = ORIGIN(RAM) + LENGTH(RAM);
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/* define output sections */
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SECTIONS
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{
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/* This is the initialized data section
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The program executes knowing that the data is in the RAM
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but the loader puts the initial values in the FLASH_FIRMWARE (inidata).
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It is one task of the startup to copy the initial values from FLASH to RAM. */
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.data : AT ( _sidata )
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
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*(.itcm.*) /* Instruction Tightly Coupled Memory */
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*(.dtcm_data.*) /* Data Tightly Coupled Memory */
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*(.text.cmp_lfn)
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*(.text.qstr_find_strn)
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*(.text.dcd_edpt_xfer)
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*(.text.pop_rule)
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*(.text.ff_wtoupper)
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*(.text.dir_find)
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*(.text.push_rule)
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*(.text.csr_writel)
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*(.text.csr_readl)
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*(.text.timer0_ev_pending_write)
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*(.text.autoreload_tick)
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*(.text.filesystem_tick)
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*(.text.usb_background)
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*(.text.dcd_*)
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*(.text.tud_control_*)
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*(.text.tud_cdc_n_write_flush)
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*(.text.tud_task)
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*(.text.tu_edpt_dir)
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*(.text.tu_fifo_empty)
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*(.text.usbd_edpt_busy)
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*(.text.usb_irq_handler)
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*(.text.supervisor_tick)
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*(.text.port_get_raw_ticks)
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*(.text.__modsi3)
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*(.text.__udivsi3)
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*(.text.irq_getmask)
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*(.text.irq_setmask)
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*(.text.irq_pending)
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*(.text._osal_q_lock)
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*(.text.osal_queue_receive)
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*(.text.mp_obj_get_type)
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*(.text.mp_parse)
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*(.text.parse_compile_execute)
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*(.text.mp_map_lookup)
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*(.text.mp_execute_bytecode) /* Note: this function is 7kb */
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*(.ramtext) /* .text* sections (code) */
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*(.ramtext*) /* .text* sections (code) */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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*(.sdata) /* .data sections */
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*(.sdata*) /* .data* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
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} >RAM
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/* The program code and other data goes into FLASH_FIRMWARE */
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.text :
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{
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. = ALIGN(4);
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KEEP(*(.text.start)) /* isr vector table */
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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*(.srodata) /* .rodata sections (constants, strings, etc.) */
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*(.srodata*) /* .rodata* sections (constants, strings, etc.) */
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. = ALIGN(4);
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_etext = .; /* define a global symbol at end of code */
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_sidata = _etext; /* This is used by the startup in order to initialize the .data secion */
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} >FLASH_FIRMWARE
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/* Uninitialized data section */
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.bss :
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{
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. = ALIGN(4);
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_sbss = .; /* define a global symbol at bss start; used by startup code */
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*(.bss)
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*(.bss*)
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*(.dtcm_bss.*) /* Data Tightly Coupled Memory */
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*(.sbss)
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*(.sbss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end; used by startup code */
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} >RAM
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/* this is to define the start of the heap, and make sure we have a minimum size */
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.heap :
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{
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. = ALIGN(4);
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_heap_start = .; /* define a global symbol at heap start */
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} >RAM
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}
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