Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 84 insertions, 0 deletions

diff --git a/roms/skiboot/core/test/run-timer.c b/roms/skiboot/core/test/run-timer.c
new file mode 100644
index 000000000..8f8b20ed3
--- /dev/null
+++ b/roms/skiboot/core/test/run-timer.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/*
+ * Copyright 2014-2018 IBM Corp
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define __TEST__
+#include <timer.h>
+#include <skiboot.h>
+
+#define mftb()	(stamp)
+#define sync()
+#define smt_lowest()
+#define smt_medium()
+
+enum proc_gen proc_gen = proc_gen_unknown;
+
+static uint64_t stamp, last;
+struct lock;
+static inline void lock_caller(struct lock *l, const char *caller)
+{
+	(void)caller;
+	(void)l;
+}
+static inline void unlock(struct lock *l) { (void)l; }
+
+unsigned long tb_hz = 512000000;
+
+#include "../timer.c"
+
+#define NUM_TIMERS	100
+
+static struct timer timers[NUM_TIMERS];
+static unsigned int rand_shift, count;
+
+static void init_rand(void)
+{
+	unsigned long max = RAND_MAX;
+
+	/* Get something reasonably small */
+	while(max > 0x10000) {
+		rand_shift++;
+		max >>= 1;
+	}
+}
+
+static void expiry(struct timer *t, void *data, uint64_t now)
+{
+	(void)data;
+	(void)now;
+	assert(t->target >= last);
+	count--;
+}
+
+void p8_sbe_update_timer_expiry(uint64_t new_target)
+{
+	(void)new_target;
+	/* FIXME: do intersting SLW timer sim */
+}
+
+void p9_sbe_update_timer_expiry(uint64_t new_target)
+{
+	(void)new_target;
+}
+
+int main(void)
+{
+	unsigned int i;
+
+	init_rand();
+	for (i = 0; i < NUM_TIMERS; i++) {
+		init_timer(&timers[i], expiry, NULL);
+		schedule_timer(&timers[i], random() >> rand_shift);
+	}
+	count = NUM_TIMERS;
+	while(count) {
+		check_timers(false);
+		stamp++;
+	}
+	return 0;
+}