1 files changed, 0 insertions, 122 deletions
diff --git a/zephyr/shim/src/hooks.c b/zephyr/shim/src/hooks.c
deleted file mode 100644
index 79a611812f..0000000000
--- a/zephyr/shim/src/hooks.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <kernel.h>
-#include <zephyr.h>
-
-#include "common.h"
-#include "console.h"
-#include "ec_tasks.h"
-#include "hooks.h"
-#include "task.h"
-#include "timer.h"
-
-int hook_call_deferred(const struct deferred_data *data, int us)
-{
-	struct k_work_delayable *work = data->work;
-	int rv = 0;
-
-	if (us == -1) {
-		k_work_cancel_delayable(work);
-	} else if (us >= 0) {
-		rv = k_work_reschedule(work, K_USEC(us));
-		if (rv == -EINVAL) {
-			/* Already processing or completed. */
-			return 0;
-		} else if (rv < 0) {
-			cprints(CC_HOOK,
-				"Warning: deferred call not submitted, "
-				"deferred_data=0x%pP, err=%d",
-				data, rv);
-		}
-	} else {
-		return EC_ERROR_PARAM2;
-	}
-
-	return rv;
-}
-
-static struct zephyr_shim_hook_list *hook_registry[HOOK_TYPE_COUNT];
-
-static int zephyr_shim_setup_hooks(const struct device *unused)
-{
-	STRUCT_SECTION_FOREACH(zephyr_shim_hook_list, entry) {
-		struct zephyr_shim_hook_list **loc = &hook_registry[entry->type];
-
-		/* Find the correct place to put the entry in the registry. */
-		while (*loc && (*loc)->priority < entry->priority)
-			loc = &((*loc)->next);
-
-		entry->next = *loc;
-
-		/* Insert the entry. */
-		*loc = entry;
-	}
-
-	return 0;
-}
-
-SYS_INIT(zephyr_shim_setup_hooks, APPLICATION, 1);
-
-void hook_notify(enum hook_type type)
-{
-	struct zephyr_shim_hook_list *p;
-
-	for (p = hook_registry[type]; p; p = p->next)
-		p->routine();
-}
-
-static void check_hook_task_priority(k_tid_t thread)
-{
-	/*
-	 * Numerically lower priorities take precedence, so verify the hook
-	 * related threads cannot preempt any of the shimmed tasks.
-	 */
-	if (k_thread_priority_get(thread) < (TASK_ID_COUNT - 1))
-		cprintf(CC_HOOK,
-			"ERROR: %s has priority %d but must be >= %d\n",
-			k_thread_name_get(thread),
-			k_thread_priority_get(thread), (TASK_ID_COUNT - 1));
-}
-
-void hook_task(void *u)
-{
-	/* Periodic hooks will be called first time through the loop */
-	static uint64_t last_second = -SECOND;
-	static uint64_t last_tick = -HOOK_TICK_INTERVAL;
-
-	/*
-	 * Verify deferred routines are run at the lowest priority.
-	 */
-	check_hook_task_priority(&k_sys_work_q.thread);
-	check_hook_task_priority(k_current_get());
-
-	while (1) {
-		uint64_t t = get_time().val;
-		int next = 0;
-
-		if (t - last_tick >= HOOK_TICK_INTERVAL) {
-			hook_notify(HOOK_TICK);
-			last_tick = t;
-		}
-
-		if (t - last_second >= SECOND) {
-			hook_notify(HOOK_SECOND);
-			last_second = t;
-		}
-
-		/* Calculate when next tick needs to occur */
-		t = get_time().val;
-		if (last_tick + HOOK_TICK_INTERVAL > t)
-			next = last_tick + HOOK_TICK_INTERVAL - t;
-
-		/*
-		 * Sleep until next tick, unless we've already exceeded
-		 * HOOK_TICK_INTERVAL.
-		 */
-		if (next > 0)
-			task_wait_event(next);
-	}
-}