jordan/rpi4-osdev
1
0
Fork 0
mirror of https://github.com/isometimes/rpi4-osdev synced 2024-09-19 13:32:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

Updated part13-interrupts to stop the timers too

Browse source
This commit is contained in:
Adam Greenwood-Byrne 2021-10-12 17:43:36 +01:00
parent ecce209c5e
commit 3b637a7fe5
3 changed files with 28 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
part13-interrupts/kernel/irq.c
View file

@ -26,6 +26,10 @@ void enable_interrupt_controller() {
REGS_IRQ->irq0_enable_0 = AUX_IRQ | SYS_TIMER_IRQ_1 | SYS_TIMER_IRQ_3;
}
void disable_interrupt_controller() {
REGS_IRQ->irq0_enable_0 = AUX_IRQ;
}
void handle_irq() {
unsigned int irq = REGS_IRQ->irq0_pending_0;

28
part13-interrupts/kernel/kernel.c
View file

@ -30,11 +30,19 @@ void core0_main(void)
{
unsigned int core0_val = 0;
while (1) {
while (core0_val <= 100) {
wait_msec(0x100000);
drawProgress(0, core0_val);
if (core0_val < 100) core0_val++;
core0_val++;
}
debugstr("Core 0 done.");
debugcrlf();
irq_disable();
disable_interrupt_controller();
while(1);
}
void core1_main(void)
@ -43,11 +51,16 @@ void core1_main(void)
clear_core1(); // Only run once
while (1) {
while (core1_val <= 100) {
wait_msec(0x3FFFF);
drawProgress(1, core1_val);
if (core1_val < 100) core1_val++;
core1_val++;
}
debugstr("Core 1 done.");
debugcrlf();
while(1);
}
// TIMER FUNCTIONS
@ -73,7 +86,12 @@ void handle_timer_1() {
REGS_TIMER->control_status |= SYS_TIMER_IRQ_1;
unsigned int progval = timer1_val / timer1_int;
if (progval <= 100) drawProgress(2, progval);
if (progval <= 100) {
drawProgress(2, progval);
} else {
debugstr("Timer 1 done.");
debugcrlf();
}
}
void handle_timer_3() {

1
part13-interrupts/kernel/kernel.h
View file

@ -40,6 +40,7 @@ void irq_init_vectors();
void irq_enable();
void irq_disable();
void enable_interrupt_controller();
void disable_interrupt_controller();
void handle_timer_1();
void handle_timer_3();