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bl_mcu_sdk/examples/ble/bl702_flash_ble.ld
2021-06-21 14:47:48 +08:00

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/****************************************************************************************
* @file bl702_flash.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 */
HeapSize = 0x1000; /* 4KB */
__EM_SIZE = DEFINED(ble_controller_init) ? 8K : 0K;
MEMORY
{
xip_memory (rx) : ORIGIN = 0x23000000, LENGTH = 1024K
itcm_memory (rx) : ORIGIN = 0x22014000, LENGTH = 16K
dtcm_memory (rx) : ORIGIN = 0x42018000, LENGTH = 32K
ram_memory (!rx) : ORIGIN = 0x42020000, LENGTH = 32K
rsvd_memory (!rx) : ORIGIN = 0x42028000, LENGTH = 1K
ram2_memory (!rx) : ORIGIN = 0x42028400, LENGTH = (31K - __EM_SIZE)
}
SECTIONS
{
PROVIDE(__metal_chicken_bit = 0);
.text :
{
. = ALIGN(4);
__text_code_start__ = .;
KEEP (*(.text.metal.init.enter))
KEEP (*(SORT_NONE(.init)))
/* section information for finsh shell */
. = ALIGN(4);
_shell_command_start = .;
KEEP(*(shellCommand))
_shell_command_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.*)
_bt_gatt_service_static_list_start = .;
KEEP(*(SORT_BY_NAME("._bt_gatt_service_static.static.*")))
_bt_gatt_service_static_list_end = .;
_bt_l2cap_fixed_chan_list_start = .;
KEEP(*(SORT_BY_NAME("._bt_l2cap_fixed_chan.static.*")))
_bt_l2cap_fixed_chan_list_end = .;
. = 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
/* .heap_dummy section doesn't contains any symbols. It is only
* used for linker to calculate size of heap sections, and assign
* values to heap symbols later */
.heap_dummy (NOLOAD):
{
. = ALIGN(0x4);
. = . + HeapSize;
. = ALIGN(0x4);
} > dtcm_memory
_HeapBase = ORIGIN(dtcm_memory) + LENGTH(dtcm_memory) - StackSize - HeapSize;
_HeapSize = HeapSize;
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(_HeapBase >= __tcm_data_end__, "region RAM overflowed with stack")
/*************************************************************************/
/* .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 = .;
/*__end__ = .;*/
/*end = __end__;*/
KEEP(*(.heap*))
. = ALIGN(4);
__HeapLimit = .;
} > ram_memory
__HeapLimit = ORIGIN(ram_memory) + LENGTH(ram_memory);
PROVIDE( _heap_start = ORIGIN(ram2_memory) );
PROVIDE( _heap_size = LENGTH(ram2_memory) );
}