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37 lines
1.5 KiB
37 lines
1.5 KiB
/*
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SPDX-FileCopyrightText: 2020 Foundation Devices, Inc. <hello@foundationdevices.com>
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SPDX-License-Identifier: GPL-3.0-or-later
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GNU linker script for STM32H753
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*/
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048K
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FLASH_ISR (rx) : ORIGIN = 0x08020800, LENGTH = 128K /* sector 0, 128K */
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FLASH_TEXT (rx) : ORIGIN = 0x08040000, LENGTH = 1664K /* sectors 6*128 + 7*128 (last 128K reserve for nvstore) */
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DTCM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K /* Used for storage cache */
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RAM (xrw) : ORIGIN = 0x24000000, LENGTH = 512K /* AXI SRAM */
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/* SRAM4 is 64k of SRAM used for:
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- filesystem cache (2k at zero) (not yet implemented)
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- top 8k reserved for bootloader/call gate (not yet implemented)
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- manually-allocated for some runtime python stuff (see sram4.py) from bottom
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*/
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SRAM4 (xrw) : ORIGIN = 0x38000800, LENGTH = 22K
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}
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/* produce a link error if there is not this amount of RAM for these sections */
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_minimum_stack_size = 2K;
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_minimum_heap_size = 16K;
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/* Define the stack. The stack is full descending so begins just above last byte
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of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */
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_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve;
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_sstack = _estack - 48K; /* tunable */
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/* RAM extents for the garbage collector */
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_ram_start = ORIGIN(RAM);
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_ram_end = ORIGIN(RAM) + LENGTH(RAM);
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_heap_start = _ebss; /* heap starts just after statically allocated memory */
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_heap_end = _sstack;
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