sdk-hwV1.3/lichee/xr806/appos/project/linker_script/gcc/bootloader.ld

214 lines
4.9 KiB
Plaintext
Executable File

#if (defined(CONFIG_ROM))
#include "rom_symbol.ld"
#endif
#if (defined(CONFIG_TZ_ROM)) || (defined(CONFIG_SECURE_BOOT))
#include "tzboot_rom_symbol.ld"
#endif
/* Linker script to configure memory regions. */
MEMORY
{
RAM (rwx) : ORIGIN = 0x00230000, LENGTH = 95K
FLASH (rx) : ORIGIN = 0x00400000, LENGTH = PRJ_XIP_SIZE
PSRAM (rwx) : ORIGIN = CONFIG_PSRAM_START, LENGTH = PRJ_PSRAM_SIZE
}
__RAM_BASE = ORIGIN(RAM);
__PSRAM_BASE = ORIGIN(PSRAM);
__MSP_STACK_LENGTH = CONFIG_MSP_STACK_SIZE;
/* Linker script to place sections and symbol values. Should be used together
* with other linker script that defines memory regions FLASH and RAM.
* It references following symbols, which must be defined in code:
* Reset_Handler : Entry of reset handler
*
* It defines following symbols, which code can use without definition:
* __exidx_start
* __exidx_end
* __etext
* __data_start__
* __preinit_array_start
* __preinit_array_end
* __init_array_start
* __init_array_end
* __fini_array_start
* __fini_array_end
* __data_end__
* __bss_start__
* __bss_end__
* __end__
* end
* __HeapLimit
* __StackLimit
* __StackTop
* __stack
* _estack
*/
ENTRY(Reset_Handler)
SECTIONS
{
.text :
{
. = ALIGN(4);
__text_start__ = .;
__VECTOR_BASE = .;
KEEP(*(.isr_vector))
KEEP(*(.text.Reset_Handler))
KEEP(*(.cpu_text))
*(.text*)
*(.nonxip_text*)
*(.sram_text*)
KEEP(*(.init))
KEEP(*(.fini))
/* .ctors */
*crtbegin.o(.ctors)
*crtbegin?.o(.ctors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
*(SORT(.ctors.*))
*(.ctors)
/* .dtors */
*crtbegin.o(.dtors)
*crtbegin?.o(.dtors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
*(SORT(.dtors.*))
*(.dtors)
*(.rodata*)
*(.nonxip_rodata*)
*(.sram_rodata*)
KEEP(*(.eh_frame*))
. = ALIGN(4);
__text_end__ = .;
} > RAM
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > RAM
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > RAM
__exidx_end = .;
. = ALIGN(4);
__etext = .;
_sidata = .;
.data :
{
. = ALIGN(4);
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
*(.nonxip_data*)
*(.sram_data*)
. = ALIGN(4);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(4);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(4);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(4);
#if (defined(CONFIG_ROM))
*(*.got*)
#endif
__data_end__ = .;
_edata = .;
} > RAM
.bss :
{
. = ALIGN(4);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
*(.nonxip_bss*)
*(.sram_bss*)
. = ALIGN(4);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
__heap_start__ = .;
end = __end__;
*(.heap*)
__HeapLimit = .;
} > RAM
/* .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 (COPY):
{
*(.stack*)
} > RAM
#if (defined(CONFIG_ROM))
.ram_table : AT(__bss_start__)
{
. = ALIGN(4);
KEEP(*(.ram_table))
. = ALIGN(4);
} > RAM
__ram_table_lma_start__ = __bss_start__;
__ram_table_lma_end__ = __ram_table_lma_start__ + SIZEOF(.ram_table);
#endif
/* Set stack top to end of RAM, and stack limit move down by
* size of stack_dummy section */
__StackTop = ORIGIN(RAM) + LENGTH(RAM);
_estack = __StackTop;
__heap_end__ = _estack - __MSP_STACK_LENGTH;
__StackLimit = __StackTop - SIZEOF(.stack_dummy);
PROVIDE(__stack = __StackTop);
__FLASH_BASE = ORIGIN(FLASH);
PROVIDE(__XIP_Base = __FLASH_BASE);
#if (defined(CONFIG_XIP))
PROVIDE(__XIP_End = __xip_end__);
#else
PROVIDE(__XIP_End = __XIP_Base);
#endif
__PSRAM_BASE = ORIGIN(PSRAM);
PROVIDE(__PSRAM_Base = __PSRAM_BASE);
__PsramTop = ORIGIN(PSRAM) + LENGTH(PSRAM);
PROVIDE(__PSRAM_Top = __PsramTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}