From 639c3d47b09114628f8e1f8817c27c10bf1fb28c Mon Sep 17 00:00:00 2001 From: Miguel Date: Sat, 18 Aug 2018 16:20:26 +0200 Subject: reviving old drivers: mouse, pci, e1000 --- driver/serial.h | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 driver/serial.h (limited to 'driver/serial.h') diff --git a/driver/serial.h b/driver/serial.h new file mode 100644 index 0000000..2f287e6 --- /dev/null +++ b/driver/serial.h @@ -0,0 +1,11 @@ +void serial_init() + +char serial_read() { +int is_transmit_empty() { + return x86_inb(PORT + 5) & 0x20; +} + +void serial_write(char a) { + while (is_transmit_empty() == 0); + x86_outb(PORT,a); +} -- cgit v1.2.3