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authorChristian Cunningham <cc@localhost>2021-12-04 17:28:51 -0700
committerChristian Cunningham <cc@localhost>2021-12-04 17:28:51 -0700
commit0cae187f5b87cda5ae85672171af3bbdde1fea61 (patch)
treee5aaf4a17dc04482b30562eb3813a85a7b407318 /src/cpu
parent709148a4252c6d608808d9ed1380b02e94173d1b (diff)
Added special cases for recieved newline and backspace
Toggle timer output
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/irq.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/src/cpu/irq.c b/src/cpu/irq.c
index 26883a2..ea13e84 100644
--- a/src/cpu/irq.c
+++ b/src/cpu/irq.c
@@ -1,6 +1,8 @@
#include "../cpu/irq.h"
#include "../sys/core.h"
+#include "../sys/timer.h"
#include "../drivers/uart.a.h"
+#include "../drivers/uart.h"
#include "../util/time.h"
extern void disable_irq(void);
@@ -13,19 +15,33 @@ void c_irq_handler(void) {
if(load32(IRQ_PENDING2) & (1 << 25)) {
if(load32(UART0_MIS) & (1<<4)) {
unsigned long data = load32(UART0_DR);
- if(data == 0x74) {
+ // Tab to toggle timer
+ if(data == 0x14) {
unsigned long timer_status;
asm volatile("mrc p15, 0, %0, c14, c3, 1" : "=r"(timer_status));
if(timer_status == 0) {
cntfrq = read_cntfrq();
write_cntv_tval(cntfrq);
enable_cntv();
+ uart_string((char*)" Timer \033[92menabled\033[0m\n");
} else {
disable_cntv();
+ uart_string((char*)" Timer \033[91mdisabled\033[0m\n");
+ }
+ } else {
+ if (data == 0x0D) {
+ uart_char(0x0a);
+ } else if (data == 0x08) {
+ uart_char((unsigned char)data);
+ uart_char(0x20);
+ uart_char((unsigned char)data);
+ } else {
+ uart_char((unsigned char)data);
+ //uart_char(0x20);
+ //uart_hexn(data);
+ //uart_string((char*)" c_irq_handler\n");
}
}
- uart_char((unsigned char)data);
- //uart_string((char*)" c_irq_handler\n");
enable_irq();
return;
}