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targets/gba: make linker script cleaner

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Make it clearer where the stack is located. Additionally, get the heap
to work (the GC needs to have _stack_top defined to work correctly).
This commit is contained in:
Ayke van Laethem
2020-01-06 11:48:09 +01:00
committed by Ron Evans
parent a9b2d8c294
commit f14127be76
2 changed files with 7 additions and 7 deletions
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targets/gameboy-advance.ld
+5 -5
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@@ -7,10 +7,8 @@ MEMORY {
rom : ORIGIN = 0x08000000, LENGTH = 32M /* flash ROM */
}
__iwram_top = ORIGIN(iwram) + LENGTH(iwram);;
_stack_size = 3K;
__sp_irq = _stack_top;
__sp_usr = _stack_top - 1K;
__stack_size_irq = 1K;
__stack_size_usr = 2K;
SECTIONS
{
@@ -35,8 +33,10 @@ SECTIONS
.stack (NOLOAD) :
{
. = ALIGN(4);
. += _stack_size;
_stack_top_irq = .;
. += __stack_size_irq;
_stack_top = .;
. += __stack_size_usr;
} >iwram
/* Start address (in flash) of .data, used by startup code. */