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authorIan Moffett <ian@osmora.org>2024-07-06 01:11:44 -0400
committerIan Moffett <ian@osmora.org>2024-07-06 01:12:35 -0400
commitabced67cbb8a19369ae1a5aaafd6318f0b2ee069 (patch)
tree59ad944fa97a110216d35d535dc98ca3482bd07e /sys/include/arch
parentbf9e5005b66c3e1219340837d3c29443dd0fb4e1 (diff)
kernel/amd64: Add 8250 UART driver
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include/arch')
-rw-r--r--sys/include/arch/amd64/uart.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/uart.h b/sys/include/arch/amd64/uart.h
new file mode 100644
index 0000000..cf85635
--- /dev/null
+++ b/sys/include/arch/amd64/uart.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _MACHINE_UART_H_
+#define _MACHINE_UART_H_
+
+int uart_init(void);
+void uart_write(char byte);
+
+#endif /* !_MACHINE_UART_H_ */