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authorChristian Cunningham <cc@localhost>2021-12-04 18:00:23 -0700
committerChristian Cunningham <cc@localhost>2021-12-04 18:00:23 -0700
commit51af35ffc632f7979fecc609445af8378466d405 (patch)
treeb13f7fb24718d7efc1e7066d9835f85416d13a55 /src/sys
parentbaac108e68f8861b01b118e97b149caa26a22e58 (diff)
Created basic Mutex
Diffstat (limited to 'src/sys')
-rw-r--r--src/sys/timer.c25
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);
+ }
}