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cpu/atmega2560/startup.c: Add __attribute__((used)) to init functions

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This commit is contained in:
Joakim Nohlgård 2015-07-14 14:16:35 +02:00 committed by Kaspar Schleiser
parent 5fcb09f6b9
commit 37eece1961
1 changed files with 6 additions and 5 deletions
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11
cpu/atmega2560/startup.c
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@ -43,19 +43,20 @@ extern void __libc_init_array(void);
* which should never be reached but just in case jumps to exit. * which should never be reached but just in case jumps to exit.
* This way there should be no way to call main directly. * This way there should be no way to call main directly.
*/ */
void init7_ovr(void) __attribute__((naked)) __attribute__((section(".init7"))); void init7_ovr(void) __attribute__((section(".init7")));
void init8_ovr(void) __attribute__((naked)) __attribute__((section(".init8"))); void init8_ovr(void) __attribute__((section(".init8")));
void init7_ovr(void) __attribute__((used,naked)) void init7_ovr(void)
{ {
__asm__("call reset_handler"); __asm__("call reset_handler");
} }
void init8_ovr(void) __attribute__((used,naked)) void init8_ovr(void)
{ {
__asm__("jmp exit"); __asm__("jmp exit");
} }
/** /**
* @brief This function is the entry point after a system reset * @brief This function is the entry point after a system reset
* *
@ -63,7 +64,7 @@ void init8_ovr(void)
* 1. initialize the board (sync clock, setup std-IO) * 1. initialize the board (sync clock, setup std-IO)
* 2. initialize and start RIOTs kernel * 2. initialize and start RIOTs kernel
*/ */
void reset_handler(void) __attribute__((used)) void reset_handler(void)
{ {
/* initialize the board and startup the kernel */ /* initialize the board and startup the kernel */
board_init(); board_init();