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Code Issues Releases Activity

linker: Add section to record unused RAM

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Note that this section will be absorbed by the heap at runtime.
This commit is contained in:
Stacey Sheldon 2011-07-14 23:14:18 -04:00
parent 6f24304b9d
commit 442d56c1c5
2 changed files with 31 additions and 20 deletions
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24
flight/PiOS/STM32F10x/link_STM32103CB_CC_Rev1_sections.ld
View File

@ -2,8 +2,6 @@
_irq_stack_size = 0x180;
/* This is the size of the stack for early init: life span is until scheduler starts */
_init_stack_size = 0x80;
/* there is probably a way to get that from the MEMORY section */
_eram = ORIGIN(SRAM) + LENGTH(SRAM);
/* Stub out these functions since we don't use them anyway */
PROVIDE ( vPortSVCHandler = 0 ) ;
@ -91,12 +89,11 @@ SECTIONS
_sbss = . ;
*(.bss .bss.*)
*(COMMON)
. = ALIGN(4);
_ebss = . ;
} > SRAM
.heap (NOLOAD) :
{
. = ALIGN(4);
_sheap = . ;
_sheap_pre_rtos = . ;
*(.heap)
@ -112,12 +109,21 @@ SECTIONS
} > SRAM
/* keep the heap section at the end of the SRAM */
/* this will allow to claim the remaining bytes not used
/* at run time! (done by the reset vector).
_free_ram = . ;
.free_ram (NOLOAD) :
{
. = ORIGIN(SRAM) + LENGTH(SRAM) - _free_ram ;
/* This is used by the startup in order to initialize the .bss section */
_ebss = . ;
_eram = . ;
} > SRAM
. = ALIGN(4);
_end = . ;
/* keep the heap section at the end of the SRAM
* this will allow to claim the remaining bytes not used
* at run time! (done by the reset vector).
*/
PROVIDE ( _end = _ebss ) ;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }

27
flight/PiOS/STM32F10x/link_STM3210E_OP_sections.ld
View File

@ -2,8 +2,6 @@
_irq_stack_size = 0x400;
/* This is the size of the stack for early init: life span is until scheduler starts */
_init_stack_size = 0x400;
/* there is probably a way to get that from the MEMORY section */
_eram = ORIGIN(RAM) + LENGTH(RAM);
/* Check valid alignment for VTOR */
ASSERT(ORIGIN(FLASH) == ALIGN(ORIGIN(FLASH), 0x80), "Start of memory region flash not aligned for startup vector table");
@ -264,19 +262,16 @@ SECTIONS
.bss :
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
/* This is used by the startup in order to initialize the .bss section */
_sbss = .;
*(.bss)
*(COMMON)
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_ebss = . ;
} >RAM
.heap (NOLOAD) :
{
. = ALIGN(4);
_sheap = . ;
_sheap_pre_rtos = . ;
*(.heap)
@ -290,10 +285,20 @@ SECTIONS
_eheap_post_rtos = . ;
_init_stack_top = . - 4 ;
} > RAM
/* keep the heap section at the end of the SRAM */
/* this will allow to claim the remaining bytes not used
/* at run time! (done by the reset vector).
_free_ram = . ;
.free_ram (NOLOAD) :
{
. = ORIGIN(RAM) + LENGTH(RAM) - _free_ram ;
/* This is used by the startup in order to initialize the .bss section */
_ebss = . ;
_eram = . ;
} > RAM
/* keep the heap section at the end of the SRAM
* this will allow to claim the remaining bytes not used
* at run time! (done by the reset vector).
*/
PROVIDE ( end = _ebss );
PROVIDE ( _end = _ebss );