kopia lustrzana https://github.com/micropython/micropython
86 wiersze
2.6 KiB
Plaintext
86 wiersze
2.6 KiB
Plaintext
ENTRY(Reset_Handler)
|
|
|
|
/* define output sections */
|
|
SECTIONS
|
|
{
|
|
/* The program code and other data goes into FLASH */
|
|
.text :
|
|
{
|
|
. = ALIGN(4);
|
|
KEEP(*(.isr_vector)) /* Startup code */
|
|
*(.text) /* .text sections (code) */
|
|
*(.text*) /* .text* sections (code) */
|
|
*(.rodata) /* .rodata sections (constants, strings, etc.) */
|
|
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
|
|
/* *(.glue_7) */ /* glue arm to thumb code */
|
|
/* *(.glue_7t) */ /* glue thumb to arm code */
|
|
|
|
. = ALIGN(4);
|
|
_etext = .; /* define a global symbol at end of code */
|
|
} >FLASH_TEXT
|
|
|
|
/*
|
|
.ARM.extab :
|
|
{
|
|
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
|
} >FLASH
|
|
|
|
.ARM :
|
|
{
|
|
__exidx_start = .;
|
|
*(.ARM.exidx*)
|
|
__exidx_end = .;
|
|
} >FLASH
|
|
*/
|
|
|
|
/* used by the startup to initialize data */
|
|
_sidata = LOADADDR(.data);
|
|
|
|
/* This is the initialized data section
|
|
The program executes knowing that the data is in the RAM
|
|
but the loader puts the initial values in the FLASH (inidata).
|
|
It is one task of the startup to copy the initial values from FLASH to RAM. */
|
|
.data :
|
|
{
|
|
. = ALIGN(4);
|
|
_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
|
|
_ram_start = .; /* create a global symbol at ram start for garbage collector */
|
|
*(.data) /* .data sections */
|
|
*(.data*) /* .data* sections */
|
|
|
|
. = ALIGN(4);
|
|
_edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
|
|
} >RAM AT>FLASH_TEXT
|
|
|
|
/* Uninitialized data section */
|
|
.bss :
|
|
{
|
|
. = ALIGN(4);
|
|
_sbss = .; /* define a global symbol at bss start; used by startup code */
|
|
*(.bss)
|
|
*(.bss*)
|
|
*(COMMON)
|
|
|
|
. = ALIGN(4);
|
|
_ebss = .; /* define a global symbol at bss end; used by startup code and GC */
|
|
} >RAM
|
|
|
|
/* Remove information from the standard libraries */
|
|
/*
|
|
/DISCARD/ :
|
|
{
|
|
libc.a ( * )
|
|
libm.a ( * )
|
|
libgcc.a ( * )
|
|
}
|
|
*/
|
|
|
|
.ARM.attributes 0 : { *(.ARM.attributes) }
|
|
}
|
|
|
|
/* Define heap and stack areas */
|
|
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
|
|
_estack = ORIGIN(RAM) + LENGTH(RAM);
|
|
_unused_flash_start = (_sidata + (_edata - _sdata));
|
|
_unused_flash_len = (ORIGIN(FLASH_TEXT) + LENGTH(FLASH_TEXT)) - _unused_flash_start;
|