aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorvetch <vetch97@gmail.com>2020-01-03 10:57:33 +0100
committervetch <vetch97@gmail.com>2020-01-03 10:57:33 +0100
commit2d31012739a11724844701d07db12e6e1307925e (patch)
tree9f7ebde7594b2f58a2538a157967e1341385e7fc
parentab7b754bb32022336527c1a2d5d710b95a589d0e (diff)
downloadrpi-MMU-example-2d31012739a11724844701d07db12e6e1307925e.tar.gz
rpi-MMU-example-2d31012739a11724844701d07db12e6e1307925e.zip
update
-rw-r--r--interrupt_vector.S6
-rw-r--r--interrupts.c10
2 files changed, 8 insertions, 8 deletions
diff --git a/interrupt_vector.S b/interrupt_vector.S
index 1f5bb3a..04561e6 100644
--- a/interrupt_vector.S
+++ b/interrupt_vector.S
@@ -3,6 +3,7 @@
.global abort_handler
.local generic_handler
.global _interrupt_vectors
+/*
_interrupt_vectors:
ldr pc,reset_handler
ldr pc,undefined_handler
@@ -18,8 +19,8 @@ _interrupt_vectors:
prefetch_handler: .word abort
data_handler: .word abort
unused_handler: .word abort
- irq_handler_caller: .word irq
fiq_handler: .word abort
+ */
//b abort_handler_caller
//b abort_handler_caller
//b abort_handler_caller
@@ -84,8 +85,7 @@ fiq_handler_caller:
ldr r5, =fiq_handler
bx r5
-
irq:
mov sp, #0x8000
ldr r5, =abort_handler
- subs pc,lr,#4 \ No newline at end of file
+ subs pc,lr,#4
diff --git a/interrupts.c b/interrupts.c
index 2dd7fbd..ff26eba 100644
--- a/interrupts.c
+++ b/interrupts.c
@@ -63,9 +63,9 @@ void generic_handler(void)
void irq_handler(void)
{
- uart_puts("nwm\r\n");
+// uart_puts("nwm\r\n");
- system_reentry_point();
+// system_reentry_point();
if (armclk_irq_pending())
{
puts("<<irq from timer>>");
@@ -90,9 +90,9 @@ void fiq_handler(void)
void
__attribute__((interrupt("IRQ")))
__attribute__((section(".interrupt_vectors.text")))
-irq_handler(void) {
+irq_handler2(void) {
/* You code goes here */
- uart_puts("GOT INTERRUPT!\r\n");
+// uart_puts("GOT INTERRUPT!\r\n");
local_timer_clr_reload_reg_t temp = { .IntClear = 1, .Reload = 1 };
QA7->TimerClearReload = temp; // Clear interrupt & reload
@@ -109,6 +109,6 @@ int enable_timer(void) {
QA7->TimerClearReload.Reload = 1; // Reload now
QA7->Core0TimerIntControl.nCNTPNSIRQ_IRQ = 1; // We are in NS EL1 so enable IRQ to core0 that level
QA7->Core0TimerIntControl.nCNTPNSIRQ_FIQ = 0; // Make sure FIQ is zero
- uart_puts("Enabled Timer\r\n");
+// uart_puts("Enabled Timer\r\n");
return(0);
} \ No newline at end of file