From e15d41a5619c41f3440369e625d6d96921718221 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Thu, 30 Dec 2021 20:50:44 -0800
Subject: Added Data Structures

Added basic scheduling

TODO: Preserve registers for context switch
---
 src/lib/q.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 src/lib/q.h

(limited to 'src/lib/q.h')

diff --git a/src/lib/q.h b/src/lib/q.h
new file mode 100644
index 0000000..51ff1a1
--- /dev/null
+++ b/src/lib/q.h
@@ -0,0 +1,30 @@
+#ifndef LIB_Q_H
+#define LIB_Q_H
+
+struct Q_base {
+	struct Q* next;
+	struct Q* last;
+};
+
+struct Q {
+	struct Q* next;
+	void* data;
+};
+
+struct Q_base* newq();
+void pushq(struct Q_base* qb, void* val);
+void popq(struct Q_base* qb);
+
+#define showq(QQ, TYPE) { \
+	if (QQ->next != 0) { \
+		struct Q* t = QQ->next; \
+		while (t->next != 0) { \
+			uart_hex(*(TYPE*)t->data); \
+			t = t->next; \
+			uart_char(' '); \
+		} \
+		uart_hex(*(TYPE*)t->data); \
+	} \
+}
+
+#endif
-- 
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