From f93ab955074e213ad6f2bf60522cc86952d57d83 Mon Sep 17 00:00:00 2001
From: Jakob Odersky <jodersky@gmail.com>
Date: Sun, 30 Mar 2014 22:38:35 +0200
Subject: major update

---
 kernel/sched/sched.c | 84 ----------------------------------------------------
 1 file changed, 84 deletions(-)
 delete mode 100644 kernel/sched/sched.c

(limited to 'kernel/sched/sched.c')

diff --git a/kernel/sched/sched.c b/kernel/sched/sched.c
deleted file mode 100644
index 3f4d003..0000000
--- a/kernel/sched/sched.c
+++ /dev/null
@@ -1,84 +0,0 @@
-#include "sched/sched.h"
-#include "sched/idle.h"
-#include "time/timer.h"
-#include "mcu/sched/context.h"
-
-struct tcb_t* volatile current = 0;
-DECLARE_TASK(idle, IDLE_STACK_SIZE, idle_entry);
-
-struct list_head ready = LIST_HEAD_INIT(ready);
-static struct list_head sleeping = LIST_HEAD_INIT(sleeping);
-char* volatile kstack;
-
-static void init_idle() {
-  idle.sp = init_stack(idle.mem_low, idle.mem_high, idle.entry, 0);
-  INIT_LIST_HEAD(&idle.q);
-}
-
-void sched_init() {
-  init_idle();
-  init_kstack((char **) &kstack);
-  schedule();
-  sei();
-  RESTORE_CONTEXT();
-  RETURN();
-}
-
-void schedule() {
-  if(!list_empty(&ready)) {
-
-    if (current == &idle) {
-      debug_led(0,0);
-    }
-
-    current = list_entry(ready.next, struct tcb_t, q);
-    list_move_tail(ready.next, &ready);
-  } else {
-    current = &idle;
-  }
-}
-
-void sched_tick() {
-  struct tcb_t* it;
-  struct tcb_t* tmp;
-  list_for_each_entry_safe(it, tmp, &sleeping, q) {
-    it->sleep_left -= 1000 / HZ;
-    if (it->sleep_left <= 0) {
-      list_move_tail(&it->q, &ready);
-    }
-  }
-  schedule(); //in a round-robin scheduler, scheduling is called after every tick
-}
-
-void wake_all(struct list_head* queue) {
-  list_splice_init(queue, ready.prev);
-  if (current == &idle) {
-    schedule();
-  }
-}
-
-void spawn(struct tcb_t* const tcb, char args) {
-  tcb->sp = init_stack(tcb->mem_low, tcb->mem_high, tcb->entry, args);
-  INIT_LIST_HEAD(&tcb->q);
-  list_add_tail(&tcb->q, &ready);
-}
-
-void yield(void) {
-  cli();
-  SAVE_CONTEXT();
-  schedule();
-  RESTORE_CONTEXT();
-  sei();
-  RETURN();
-}
-
-void sleep(long ms) {
-  cli();
-  SAVE_CONTEXT();
-  current->sleep_left = ms;
-  sleep_on(&sleeping);
-  schedule();
-  RESTORE_CONTEXT();
-  sei();
-  RETURN();
-}
\ No newline at end of file
-- 
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