/**************************************************************************************** * @file bl706_camera_psram.ld * * @brief This file is the map file (gnuarm or armgcc). * * Copyright (C) BouffaloLab 2021 * **************************************************************************************** */ /* configure the CPU type */ OUTPUT_ARCH( "riscv" ) /* link with the standard c library */ INPUT(-lc) /* link with the standard GCC library */ INPUT(-lgcc) /* configure the entry point */ ENTRY(_enter) StackSize = 0x1000; /* 4KB */ MEMORY { xip_memory (rx) : ORIGIN = 0x23000000, LENGTH = 1024K itcm_memory (rx) : ORIGIN = 0x22014000, LENGTH = 12K dtcm_memory (rx) : ORIGIN = 0x42017000, LENGTH = 10K ram_memory (!rx) : ORIGIN = 0x42019800, LENGTH = 18K } SECTIONS { PROVIDE(__metal_chicken_bit = 0); .text : { . = ALIGN(4); __text_code_start__ = .; KEEP (*(.text.metal.init.enter)) KEEP (*(SORT_NONE(.init))) /* section information for shell */ . = ALIGN(4); __fsymtab_start = .; KEEP(*(FSymTab)) __fsymtab_end = .; . = ALIGN(4); __vsymtab_start = .; KEEP(*(VSymTab)) __vsymtab_end = .; /* section information for usb desc */ . = ALIGN(4); _usb_desc_start = .; KEEP(*(usb_desc)) . = ALIGN(4); _usb_desc_end = .; *(.text) *(.text.*) /*put .rodata**/ *(EXCLUDE_FILE( *bl702_glb.o \ *bl702_pds.o \ *bl702_common.o \ *bl702_sf_cfg.o \ *bl702_sf_ctrl.o \ *bl702_sflash.o \ *bl702_xip_sflash.o \ *bl702_ef_ctrl.o) .rodata*) *(.rodata) *(.rodata.*) *(.srodata) *(.srodata.*) . = ALIGN(4); __text_code_end__ = .; } > xip_memory . = ALIGN(4); __itcm_load_addr = .; .itcm_region : AT (__itcm_load_addr) { . = ALIGN(4); __tcm_code_start__ = .; *(.tcm_code) *(.tcm_const) *(.sclock_rlt_code) *(.sclock_rlt_const) *bl702_glb.o*(.rodata*) *bl702_pds.o*(.rodata*) *bl702_common.o*(.rodata*) *bl702_sf_cfg.o*(.rodata*) *bl702_sf_ctrl.o*(.rodata*) *bl702_sflash.o*(.rodata*) *bl702_xip_sflash.o*(.rodata*) *bl702_ef_ctrl.o*(.rodata*) . = ALIGN(4); __tcm_code_end__ = .; } > itcm_memory __dtcm_load_addr = __itcm_load_addr + SIZEOF(.itcm_region); .dtcm_region : AT (__dtcm_load_addr) { . = ALIGN(4); __tcm_data_start__ = .; *(.tcm_data) /* *finger_print.o(.data*) */ . = ALIGN(4); __tcm_data_end__ = .; } > dtcm_memory /*************************************************************************/ /* .stack_dummy section doesn't contains any symbols. It is only * used for linker to calculate size of stack sections, and assign * values to stack symbols later */ .stack_dummy (NOLOAD): { . = ALIGN(0x4); . = . + StackSize; . = ALIGN(0x4); } > dtcm_memory /* Set stack top to end of RAM, and stack limit move down by * size of stack_dummy section */ __StackTop = ORIGIN(dtcm_memory) + LENGTH(dtcm_memory); PROVIDE( __freertos_irq_stack_top = __StackTop); __StackLimit = __StackTop - SIZEOF(.stack_dummy); /* Check if data + heap + stack exceeds RAM limit */ ASSERT(__StackLimit >= __tcm_data_end__, "region RAM overflowed with stack") /*************************************************************************/ __system_ram_load_addr = __dtcm_load_addr + SIZEOF(.dtcm_region); .system_ram_data_region : AT (__system_ram_load_addr) { . = ALIGN(4); __system_ram_data_start__ = .; *(.system_ram) . = ALIGN(4); __system_ram_data_end__ = .; } > ram_memory __ram_load_addr = __system_ram_load_addr + SIZEOF(.system_ram_data_region); /* Data section */ RAM_DATA : AT (__ram_load_addr) { . = ALIGN(4); __ram_data_start__ = .; PROVIDE( __global_pointer$ = . + 0x800 ); *(.data) *(.data.*) *(.sdata) *(.sdata.*) *(.sdata2) *(.sdata2.*) . = ALIGN(4); __ram_data_end__ = .; } > ram_memory .bss (NOLOAD) : { . = ALIGN(4); __bss_start__ = .; *(.bss*) *(.sbss*) *(COMMON) . = ALIGN(4); __bss_end__ = .; } > ram_memory .noinit_data (NOLOAD) : { . = ALIGN(4); __noinit_data_start__ = .; *(.noinit_data*) . = ALIGN(4); __noinit_data_end__ = .; } > ram_memory .heap (NOLOAD): { . = ALIGN(4); __HeapBase = .; KEEP(*(.heap*)) . = ALIGN(4); __HeapLimit = .; } > ram_memory PROVIDE (__heap_min_size = 0x400); __HeapLimit = ORIGIN(ram_memory) + LENGTH(ram_memory); ASSERT((__HeapLimit - __HeapBase ) >= __heap_min_size, "heap size is too short.") }