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|
GROUP (
"libgcc.a"
"libc_nano.a"
"libm.a"
"libcr_newlib_semihost.a"
)
MEMORY
{
/* Define each memory region. */
PROGRAM_FLASH (rx) : ORIGIN = 0x10000000, LENGTH = 0x82000
Ram0 (rwx) : ORIGIN = 0x30000000, LENGTH = 0x33000
}
/* Define a symbol for the top of each memory region. */
__base_PROGRAM_FLASH = 0x10000000; /* PROGRAM_FLASH. */
__base_Flash = 0x10000000; /* Flash. */
__top_PROGRAM_FLASH = 0x10000000 + 0x82000;
__top_Flash = 0x10000000 + 0x82000;
__base_Ram0 = 0x30000000; /* Ram0. */
__base_RAM = 0x30000000; /* RAM. */
__top_Ram0 = 0x30000000 + 0x33000;
__top_RAM = 0x30000000 + 0x33000;
/* Entry point. */
ENTRY(ResetISR)
SECTIONS
{
/* Vector Table Section. */
.text : ALIGN(4)
{
FILL(0xff)
__vectors_start__ = ABSOLUTE(.);
KEEP(*(.isr_vector))
/* Global Section Table. */
. = ALIGN(4);
__section_table_start = .;
__data_section_table = .;
LONG(LOADADDR(.data));
LONG( ADDR(.data));
LONG( SIZEOF(.data));
__data_section_table_end = .;
__bss_section_table = .;
LONG( ADDR(.bss));
LONG( SIZEOF(.bss));
__bss_section_table_end = .;
__section_table_end = .;
/* End of Global Section Table. */
*(.after_vectors*)
} > PROGRAM_FLASH
/* Privileged functions - Section needs to be 32 byte aligned to satisfy MPU requirements. */
.privileged_functions : ALIGN(32)
{
. = ALIGN(32);
__privileged_functions_start__ = .;
*(privileged_functions)
. = ALIGN(32);
/* End address must be the last address in the region, therefore, -1. */
__privileged_functions_end__ = . - 1;
} > PROGRAM_FLASH
/* FreeRTOS System calls - Section needs to be 32 byte aligned to satisfy MPU requirements. */
.freertos_system_calls : ALIGN(32)
{
. = ALIGN(32);
__syscalls_flash_start__ = .;
*(freertos_system_calls)
. = ALIGN(32);
/* End address must be the last address in the region, therefore, -1. */
__syscalls_flash_end__ = . - 1;
} > PROGRAM_FLASH
/* Main Text Section - Section needs to be 32 byte aligned to satisfy MPU requirements. */
.text : ALIGN(32)
{
. = ALIGN(32);
__unprivileged_flash_start__ = .;
*(.text*)
*(.rodata .rodata.* .constdata .constdata.*)
. = ALIGN(32);
/* End address must be the last address in the region, therefore, -1. */
__unprivileged_flash_end__ = . - 1;
} > PROGRAM_FLASH
/* For exception handling/unwind - some Newlib functions (in common
* with C++ and StdC++) use this. */
.ARM.extab : ALIGN(4)
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > PROGRAM_FLASH
.ARM.exidx : ALIGN(4)
{
__exidx_start = .;
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
__exidx_end = .;
} > PROGRAM_FLASH
/* Text Section End. */
_etext = .;
/* Uninit Reserved Section. */
.uninit_RESERVED : ALIGN(4)
{
KEEP(*(.bss.$RESERVED*))
. = ALIGN(4);
_end_uninit_RESERVED = .;
} > Ram0
/* Main Data section (Ram0). */
.data : ALIGN(4)
{
FILL(0xff)
_data = .;
PROVIDE(__start_data_RAM = .);
PROVIDE(__start_data_Ram0 = .);
/* Privileged data - It needs to be 32 byte aligned to satisfy MPU requirements. */
. = ALIGN(32);
__privileged_sram_start__ = .;
*(privileged_data)
. = ALIGN(32);
/* End address must be the last address in the region, therefore, -1. */
__privileged_sram_end__ = . - 1;
*(vtable)
*(.ramfunc*)
*(.data*)
_edata = .;
PROVIDE(__end_data_RAM = .);
PROVIDE(__end_data_Ram0 = .);
} > Ram0 AT>PROGRAM_FLASH
/* Main BSS Section. */
.bss : ALIGN(4)
{
_bss = .;
PROVIDE(__start_bss_RAM = .);
PROVIDE(__start_bss_Ram0 = .);
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .;
PROVIDE(__end_bss_RAM = .);
PROVIDE(__end_bss_Ram0 = .);
PROVIDE(end = .);
} > Ram0 AT>Ram0
/* Default Noinit Section. */
.noinit (NOLOAD) : ALIGN(4)
{
_noinit = .;
PROVIDE(__start_noinit_RAM = .);
PROVIDE(__start_noinit_Ram0 = .);
*(.noinit*)
. = ALIGN(4);
_end_noinit = .;
PROVIDE(__end_noinit_RAM = .);
PROVIDE(__end_noinit_Ram0 = .);
} > Ram0 AT>Ram0
/* Reserve space and place heap in memory map. */
_HeapSize = 0x1000;
.heap : ALIGN(4)
{
_pvHeapStart = .;
. += _HeapSize;
. = ALIGN(4);
_pvHeapLimit = .;
} > Ram0
/* Reserve space for stack in memory. */
_StackSize = 0x1000;
.heap2stackfill :
{
. += _StackSize;
} > Ram0
/* Place actual stack in memory map. */
.stack ORIGIN(Ram0) + LENGTH(Ram0) - _StackSize - 0 : ALIGN(4)
{
_vStackBase = .;
. = ALIGN(4);
_vStackTop = . + _StackSize;
} > Ram0
/* Create checksum value (used in startup). */
PROVIDE(__valid_user_code_checksum = 0 -
(_vStackTop
+ (ResetISR + 1)
+ (NMI_Handler + 1)
+ (HardFault_Handler + 1)
+ (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1) /* MemManage_Handler may not be defined. */
+ (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1) /* BusFault_Handler may not be defined. */
+ (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined. */
) );
/* Provide basic symbols giving location and size of main text block,
* including initial values of RW data sections. Note that these will need
* extending to give a complete picture with complex images
* (e.g multiple Flash banks). */
_image_start = LOADADDR(.text);
_image_end = LOADADDR(.data) + SIZEOF(.data);
_image_size = _image_end - _image_start;
}
|
