fixed race conditions

1 files changed, 6 insertions, 0 deletions

diff --git a/code/fe310/eos/interrupt.c b/code/fe310/eos/interrupt.c
index b8c6540..28bd8d1 100644
--- a/code/fe310/eos/interrupt.c
+++ b/code/fe310/eos/interrupt.c
@@ -26,6 +26,12 @@ uintptr_t eos_intr_handle(uintptr_t int_num) {
     return int_num;
 }
 
+void handle_m_ext_interrupt(void) {
+    plic_source int_num  = PLIC_claim_interrupt(&plic);
+    eos_intr_handle(int_num);
+    PLIC_complete_interrupt(&plic, int_num);
+}
+
 void eos_intr_init(void) {
     for (int i = 0; i < PLIC_NUM_INTERRUPTS; i++){
         ext_interrupt_handler[i] = NULL;