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bsp/realview-pbx-a9: Fix SMP startup

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This commit is contained in:
Sebastian Huber
2014-06-12 11:18:48 +02:00
parent 4962d24d62
commit 970aa80fe1
1 changed files with 14 additions and 0 deletions
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14
c/src/lib/libbsp/arm/realview-pbx-a9/startup/bspstarthooks.c
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@@ -55,6 +55,20 @@ BSP_START_TEXT_SECTION static void setup_mmu_and_cache(void)
BSP_START_TEXT_SECTION void bsp_start_hook_0(void) BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
{ {
#ifdef RTEMS_SMP
uint32_t cpu_id = arm_cortex_a9_get_multiprocessor_cpu_id();
/*
* QEMU jumps to the entry point of the ELF file on all processors. Prevent
* a SMP_FATAL_MULTITASKING_START_ON_INVALID_PROCESSOR this way.
*/
if ( cpu_id >= rtems_configuration_get_maximum_processors() ) {
while (true) {
_ARM_Wait_for_event();
}
}
#endif
arm_a9mpcore_start_hook_0(); arm_a9mpcore_start_hook_0();
} }