Created basic Mutex

1 files changed, 20 insertions, 5 deletions

diff --git a/src/sys/timer.c b/src/sys/timer.c
index 6996983..16e6fdb 100644
--- a/src/sys/timer.c
+++ b/src/sys/timer.c
@@ -1,17 +1,32 @@
 #include "../sys/core.h"
 #include "../sys/timer.h"
 #include "../util/time.h"
+#include "../util/mutex.h"
 #include "../drivers/uart.a.h"
 #include "../drivers/uart.h"
 
+static unsigned long exe_cnt = 0;
+static struct Mutex exe_cnt_m = {.addr = &exe_cnt, .pid = NULL_PID};
+
+//static unsigned long execution_count = 0;
+
 void c_timer() {
 	// Reset the counter
 	write_cntv_tval(cntfrq);
 
 	// Output the value
-	uart_string((char*)"Timer Value: ");
-	unsigned long v = read_cntv_tval();
-	uart_10(v);
-	uart_char(0x20);
-	uart_hexn(v);
+	//uart_string((char*)"Timer Value: ");
+	//unsigned long v = read_cntv_tval();
+	//uart_10(v);
+	//uart_char(0x20);
+	//uart_hexn(v);
+
+	// Lock the execution counter
+	if (lock_mutex(&exe_cnt_m, SCHED_PID) == 0) {
+		*(exe_cnt_m.addr) += 1;
+		uart_string((char*)"Executed #");
+		uart_10(*(exe_cnt_m.addr));
+		uart_string((char*)" Times\n");
+		release_mutex(&exe_cnt_m, SCHED_PID);
+	}
 }