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117 lines
3.8 KiB
Plaintext
117 lines
3.8 KiB
Plaintext
4 years ago
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/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* STM32L476xG memory setup.
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* A total of 1MB of flash is available.
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* Firmware uses first 510K, then 2K after is used for unprivileged code.
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* A total of 128K of RAM is available.
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* SRAM2 (32K) is used for ELF binary loading.
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* 32K of SRAM1 is used for system RAM.
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* 48K is used for ADC and DAC buffers.
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* 16K is used for unprivileged data (incl. 8K stack).
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*/
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MEMORY
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{
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flash0 (rx) : org = 0x08000000, len = 510K /* Flash bank 1 (reduced from 1M to 510K) */
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flash1 (rx) : org = 0x00000000, len = 0
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flash2 (rx) : org = 0x00000000, len = 0
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flash3 (rx) : org = 0x00000000, len = 0
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flash4 (rx) : org = 0x00000000, len = 0
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flash5 (rx) : org = 0x00000000, len = 0
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flash6 (rx) : org = 0x00000000, len = 0
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flash7 (rx) : org = 0x00000000, len = 0
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ram0 (wx) : org = 0x20000000, len = 32K /* SRAM (actual total = 96K) */
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ram1 (wx) : org = 0x20008000, len = 48K /* ADC/DAC buffers (16K * 3) */
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ram2 (wx) : org = 0x00000000, len = 0
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ram3 (wx) : org = 0x00000000, len = 0
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ram4 (wx) : org = 0x10000000, len = 32K /* User algorithm */
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ram5 (wx) : org = 0x00000000, len = 0
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ram6 (wx) : org = 0x00000000, len = 0
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ram7 (wx) : org = 0x00000000, len = 0
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flashc (rx) : org = 0x0807F800, len = 2K /* Unprivileged firmware */
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ramc (wx) : org = 0x20014000, len = 16K /* Unprivileged data */
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}
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/* For each data/text section two region are defined, a virtual region
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and a load region (_LMA suffix).*/
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/* Flash region to be used for exception vectors.*/
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REGION_ALIAS("VECTORS_FLASH", flash0);
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REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
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/* Flash region to be used for constructors and destructors.*/
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REGION_ALIAS("XTORS_FLASH", flash0);
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REGION_ALIAS("XTORS_FLASH_LMA", flash0);
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/* Flash region to be used for code text.*/
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REGION_ALIAS("TEXT_FLASH", flash0);
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REGION_ALIAS("TEXT_FLASH_LMA", flash0);
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/* Flash region to be used for read only data.*/
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REGION_ALIAS("RODATA_FLASH", flash0);
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REGION_ALIAS("RODATA_FLASH_LMA", flash0);
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/* Flash region to be used for various.*/
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REGION_ALIAS("VARIOUS_FLASH", flash0);
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REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
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/* Flash region to be used for RAM(n) initialization data.*/
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REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
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/* RAM region to be used for Main stack. This stack accommodates the processing
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of all exceptions and interrupts.*/
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REGION_ALIAS("MAIN_STACK_RAM", ram0);
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/* RAM region to be used for the process stack. This is the stack used by
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the main() function.*/
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REGION_ALIAS("PROCESS_STACK_RAM", ram0);
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/* RAM region to be used for data segment.*/
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REGION_ALIAS("DATA_RAM", ram0);
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REGION_ALIAS("DATA_RAM_LMA", flash0);
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/* RAM region to be used for BSS segment.*/
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REGION_ALIAS("BSS_RAM", ram0);
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/* RAM region to be used for the default heap.*/
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REGION_ALIAS("HEAP_RAM", ram0);
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SECTIONS
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{
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.convdata : ALIGN(4)
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{
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*(.convdata)
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. = ALIGN(4);
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} > ramc
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/*.stacks : ALIGN(4)
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{
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*(.stacks)
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. = ALIGN(4);
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} > ram5*/
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.convcode : ALIGN(4)
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{
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*(.convcode)
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. = ALIGN(4);
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} > flashc
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}
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/* Generic rules inclusion.*/
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INCLUDE rules.ld
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