diff options
Diffstat (limited to 'libcpu/arm')
| -rw-r--r-- | libcpu/arm/cortex-a/interrupt.c | 14 | ||||
| -rw-r--r-- | libcpu/arm/cortex-a/start_gcc.S | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/libcpu/arm/cortex-a/interrupt.c b/libcpu/arm/cortex-a/interrupt.c index 474a23fee1..f90f1c0094 100644 --- a/libcpu/arm/cortex-a/interrupt.c +++ b/libcpu/arm/cortex-a/interrupt.c @@ -27,6 +27,20 @@ struct rt_irq_desc isr_table[MAX_HANDLERS]; rt_uint32_t rt_interrupt_from_thread = 0; rt_uint32_t rt_interrupt_to_thread = 0; rt_uint32_t rt_thread_switch_interrupt_flag = 0; + +#ifdef RT_USING_HOOK +static void (*rt_interrupt_switch_hook)(void); + +void rt_interrupt_switch_sethook(void (*hook)(void)) +{ + rt_interrupt_switch_hook = hook; +} +#endif + +void rt_interrupt_hook(void) +{ + RT_OBJECT_HOOK_CALL(rt_interrupt_switch_hook, ()); +} #endif const unsigned int VECTOR_BASE = 0x00; diff --git a/libcpu/arm/cortex-a/start_gcc.S b/libcpu/arm/cortex-a/start_gcc.S index 6c5dd81785..908468476e 100644 --- a/libcpu/arm/cortex-a/start_gcc.S +++ b/libcpu/arm/cortex-a/start_gcc.S @@ -341,6 +341,8 @@ rt_hw_context_switch_interrupt_do: ldr r6, [r6] ldr sp, [r6] @ get new task's stack pointer + bl rt_interrupt_hook + #ifdef RT_USING_FPU /* fpu context */ ldmfd sp!, {r6} |