RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

Merge pull request #4310 from haukepetersen/opt_cortex_vectorcleanup

Browse Source 
cpu/cortexm_common: fixes to vectors_cortexm.c
This commit is contained in:
Cenk Gündoğan 2015-11-26 13:41:30 +01:00
commit 373f9a7ef6
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
cpu/cortexm_common/vectors_cortexm.c
View File

@ -30,6 +30,14 @@
#include "kernel_internal.h"
#include "vectors_cortexm.h"
/**
* @brief Interrupt stack canary value
*
* @note 0xe7fe is the ARM Thumb machine code equivalent of asm("bl #-2\n") or
* 'while (1);', i.e. an infinite loop.
*/
#define STACK_CANARY_WORD 0xE7FEE7FEu
/**
* @brief Memory markers, defined in the linker script
* @{
@ -47,14 +55,6 @@ extern uint32_t _sram;
extern uint32_t _eram;
/** @} */
/**
* @brief Interrupt stack canary value
*
* @note 0xe7fe is the ARM Thumb machine code equivalent of asm("bl #-2\n") or
* 'while (1);', i.e. an infinite loop.
*/
#define STACK_CANARY_WORD 0xE7FEE7FEu
/**
* @brief Allocation of the interrupt stack
*/
@ -81,6 +81,7 @@ void reset_handler_default(void)
pre_startup();
#ifdef DEVELHELP
uint32_t *top;
/* Fill stack space with canary values up until the current stack pointer */
/* Read current stack pointer from CPU register */
@ -89,6 +90,7 @@ void reset_handler_default(void)
while (dst < top) {
*(dst++) = STACK_CANARY_WORD;
}
#endif
/* load data section from flash to ram */
for (dst = &_srelocate; dst < &_erelocate; ) {