0b9e4e013a
Add ULP Coprocessor support for ESP32C6. Signed-off-by: Lucas Tamborrino <lucas.tamborrino@espressif.com>
131 lines
3 KiB
Text
131 lines
3 KiB
Text
/*
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* Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/devicetree.h>
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#include <zephyr/linker/sections.h>
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#include <zephyr/linker/linker-defs.h>
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#include <zephyr/linker/linker-tool.h>
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#include "memory.h"
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#define ALIGN_DOWN(SIZE, AL) (SIZE & ~(AL - 1))
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/* Ensure the end where the shared memory starts is aligned to 8 bytes
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if updating this also update the same in ulp_lp_core_memory_shared.c
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*/
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#define ALIGNED_COPROC_MEM ALIGN_DOWN(ULP_COPROC_RESERVE_MEM, 0x8)
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#define RODATA_REGION ram
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#define RAMABLE_REGION ram
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#define ROMABLE_REGION ram
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/* User available memory segments */
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_aligned_coproc_mem = ALIGNED_COPROC_MEM;
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_vector_table_org = LPSRAM_IRAM_START;
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_vector_table_len = 0x80;
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_ram_org = _vector_table_org + _vector_table_len;
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_ram_len = _aligned_coproc_mem - _vector_table_len - ULP_SHARED_MEM;
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_shared_mem_org = _ram_org + _ram_len;
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_shared_mem_len = ULP_SHARED_MEM;
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ENTRY(reset_vector)
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MEMORY
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{
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/*first 128byte for exception/interrupt vectors*/
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vector_table(RX) : ORIGIN = _vector_table_org , LENGTH = _vector_table_len
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ram(RWX) : ORIGIN = _ram_org, LENGTH = _ram_len
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shared_mem_ram(RW) : ORIGIN = _shared_mem_org, LENGTH = _shared_mem_len
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}
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SECTIONS
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{
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.vector.text :
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{
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__mtvec_base = .;
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KEEP (*(.init.vector .init.vector.*))
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} > vector_table
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. = ORIGIN(ram);
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.text ALIGN(4):
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{
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*(.text.vectors) /* Default reset vector must link to offset 0x80 */
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__text_region_start = ABSOLUTE(.);
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*(.text)
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*(.text*)
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__text_region_end = ABSOLUTE(.);
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} >ram
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#include <zephyr/linker/rel-sections.ld>
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.rodata ALIGN(4):
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{
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__rodata_region_start = ABSOLUTE(.);
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*(.rodata .srodata)
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*(.rodata* .srodata*)
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__rodata_region_end = .;
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} > ram
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#include <zephyr/linker/common-rom/common-rom-kernel-devices.ld>
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.rodata.end ALIGN(4):
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{
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_rodata_reserved_end = ABSOLUTE(.);
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} > ram
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.data ALIGN(4):
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{
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_image_ram_start = ABSOLUTE(.);
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*(.data)
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*(.data*)
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*(.sdata)
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*(.sdata*)
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} > ram
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#include <snippets-data-sections.ld>
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#include <zephyr/linker/common-ram.ld>
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#include <snippets-ram-sections.ld>
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.data.end ALIGN(4):
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{
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_image_ram_end = ABSOLUTE(.);
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} > ram
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.data.noinit (NOLOAD):
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{
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. = ALIGN(4);
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*(.noinit)
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*(.noinit.*)
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. = ALIGN(4);
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} > ram
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.bss ALIGN(4) :
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{
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*(.bss)
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*(.bss*)
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*(.sbss)
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*(.sbss*)
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PROVIDE(end = .);
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_heap_sentry = .;
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} >ram
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#include <zephyr/linker/ram-end.ld>
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__stack_top = ORIGIN(ram) + LENGTH(ram);
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#include <zephyr/linker/debug-sections.ld>
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SECTION_PROLOGUE(.riscv.attributes, 0,)
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{
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KEEP(*(.riscv.attributes))
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KEEP(*(.gnu.attributes))
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}
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. = ORIGIN(shared_mem_ram);
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.shared_mem (ALIGN(4)) :
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{
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KEEP(*(.shared_mem))
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} > shared_mem_ram
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}
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