diff mbox

[04/11] paflof: Provide get_timer() and set_timer() helper functions

Message ID 1473450729-19359-5-git-send-email-thuth@redhat.com
State Accepted
Headers show

Commit Message

Thomas Huth Sept. 9, 2016, 7:52 p.m. UTC 
They are needed for libnet, too. This implementation uses
SLOF_GetTimer() instead of using the decrementer like it is
done in the net-snk functions.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 lib/libnet/time.h |  6 ++++++
 slof/helpers.c    | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 lib/libnet/time.h
diff mbox

Patch

diff --git a/lib/libnet/time.h b/lib/libnet/time.h
new file mode 100644
index 0000000..fcd5cd5
--- /dev/null
+++ b/lib/libnet/time.h
@@ -0,0 +1,6 @@ 
+
+extern void set_timer(int);
+extern int get_timer(void);
+extern int get_sec_ticks(void);
+
+#define TICKS_SEC get_sec_ticks()
diff --git a/slof/helpers.c b/slof/helpers.c
index 3f411b9..eab334d 100644
--- a/slof/helpers.c
+++ b/slof/helpers.c
@@ -18,6 +18,7 @@ 
 #include <cpu.h>
 #include "helpers.h"
 #include "paflof.h"
+#include "../lib/libnet/time.h"   /* TODO: Get rid of old timer code */
 
 /**
  * get msec-timer value
@@ -46,6 +47,23 @@  void SLOF_usleep(uint32_t time)
 	forth_eval("us");
 }
 
+static unsigned int dest_timer;
+
+void set_timer(int val)
+{
+	dest_timer = SLOF_GetTimer() + val;
+}
+
+int get_timer()
+{
+	return dest_timer - SLOF_GetTimer();
+}
+
+int get_sec_ticks(void)
+{
+	return 1000;	/* number of ticks in 1 second */
+}
+
 void *SLOF_dma_alloc(long size)
 {
 	forth_push(size);