kopia lustrzana https://github.com/micropython/micropython
100 wiersze
2.4 KiB
Plaintext
100 wiersze
2.4 KiB
Plaintext
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Alessandro Gatti
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/* Output format is 32 bits little endian. */
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OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv", "elf32-littleriscv");
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/*
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* Memory layout:
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*
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* 0x8000_0000: .text
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* .........: .rodata
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* 0x8040_0000: .data
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* .........: _global_pointer
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* .........: .bss
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* 0x8060_0000: .stack
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* 0x8060_0000: _sstack
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* 0x8060_FFFF: _estack
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*/
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MEMORY
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{
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ROM (xr) : ORIGIN = 0x80000000, LENGTH = 4M
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RAM (xrw) : ORIGIN = ORIGIN(ROM) + LENGTH(ROM), LENGTH = 2M
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STACK (rw) : ORIGIN = ORIGIN(RAM) + LENGTH(RAM), LENGTH = 64K
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}
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SECTIONS
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{
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/* Code + Read-Only data segment */
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.text : ALIGN (4K)
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{
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*(.start)
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*(.text)
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. = ALIGN (4K);
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*(.rodata)
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_sirodata = .;
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} > ROM
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.rodata : AT (_sirodata) ALIGN (4K)
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{
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*(.rodata)
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} > ROM
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/* Data + BSS segment */
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.data : ALIGN (4K)
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{
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*(.data)
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_sibss = .;
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} > RAM
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.bss : AT (_sibss) ALIGN (4K)
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{
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/* Mark global pointer address. */
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_global_pointer = .;
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/* Mark BSS start. */
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. = . + 4;
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_sbss = .;
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*(.bss)
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/* Mark BSS end. */
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_ebss = .;
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} > RAM
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/* Isolated stack segment. */
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.stack : ALIGN(4K)
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{
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/* Mark stack start. */
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_sstack = .;
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. = LENGTH(STACK);
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/* Mark stack end. */
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_estack = .;
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} > STACK
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}
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