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Diffstat (limited to 'code/fe310/eos/interrupt.c')
-rw-r--r--code/fe310/eos/interrupt.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/code/fe310/eos/interrupt.c b/code/fe310/eos/interrupt.c
index 0172fb8..cb513a0 100644
--- a/code/fe310/eos/interrupt.c
+++ b/code/fe310/eos/interrupt.c
@@ -4,7 +4,7 @@
#include "encoding.h"
#include "platform.h"
-#include "plic/plic_driver.h"
+#include "plic_driver.h"
#include "interrupt.h"
@@ -15,8 +15,8 @@ static plic_instance_t plic;
static eos_intr_fptr_t ext_interrupt_handler[PLIC_NUM_INTERRUPTS];
uintptr_t eos_intr_handle(uintptr_t int_num) {
- if ((int_num >=1) && (int_num < PLIC_NUM_INTERRUPTS) && (ext_interrupt_handler[int_num])) {
- ext_interrupt_handler[int_num]();
+ if ((int_num >=1) && (int_num <= PLIC_NUM_INTERRUPTS) && (ext_interrupt_handler[int_num-1])) {
+ ext_interrupt_handler[int_num-1]();
} else {
write(1, "error\n", 6);
exit(int_num);
@@ -24,12 +24,6 @@ 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;
@@ -51,13 +45,13 @@ void eos_intr_init(void) {
}
void eos_intr_set(uint8_t int_num, uint8_t priority, eos_intr_fptr_t handler) {
- ext_interrupt_handler[int_num] = handler;
+ ext_interrupt_handler[int_num-1] = handler;
PLIC_set_priority(&plic, int_num, priority);
PLIC_enable_interrupt(&plic, int_num);
}
void eos_intr_set_handler(uint8_t int_num, eos_intr_fptr_t handler) {
- ext_interrupt_handler[int_num] = handler;
+ ext_interrupt_handler[int_num-1] = handler;
}
void eos_intr_set_priority(uint8_t int_num, uint8_t priority) {