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cc2538: Move the stack out of .bss

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The initialization code clearing .bss is allowed to use the stack, so
the stack can not be in .bss, or this code will badly fail if it uses
the stack.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
This commit is contained in:
Benoît Thébaudeau 2015-05-23 18:25:33 +02:00
parent 0de729572b
commit 609c615303
2 changed files with 6 additions and 1 deletions
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5
cpu/cc2538/cc2538.lds
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@ -106,6 +106,11 @@ SECTIONS
_ebss = .; _ebss = .;
} > SRAM } > SRAM
.stack (NOLOAD) :
{
*(.stack)
} > SRAM
#if (LPM_CONF_MAX_PM==2) && (LPM_CONF_ENABLE != 0) #if (LPM_CONF_MAX_PM==2) && (LPM_CONF_ENABLE != 0)
.nrdata (NOLOAD) : .nrdata (NOLOAD) :
{ {

2
cpu/cc2538/startup-gcc.c
View file

@ -89,7 +89,7 @@ void uart1_isr(void) WEAK_ALIAS(default_handler);
#endif #endif
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* Allocate stack space */ /* Allocate stack space */
static unsigned long stack[512]; static unsigned long stack[512] __attribute__ ((section(".stack")));
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* Linker construct indicating .text section location */ /* Linker construct indicating .text section location */
extern uint8_t _text[0]; extern uint8_t _text[0];