X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdevices%2Fserial.c;h=8dc7f18cfbd0272b630e0d85c87abf119be23173;hb=812b5a9c84c04619da5145399000afc89978ce5f;hp=1d0607ba0006b91f3d93770136d596bb3e969e59;hpb=605dc396d6dc9f2111e1c1938daa51e3f3bc75c3;p=pintos-anon

diff --git a/src/devices/serial.c b/src/devices/serial.c
index 1d0607b..8dc7f18 100644
--- a/src/devices/serial.c
+++ b/src/devices/serial.c
@@ -9,7 +9,9 @@
 
 /* Register definitions for the 16550A UART used in PCs.
    The 16550A has a lot more going on than shown here, but this
-   is all we need. */
+   is all we need.
+
+   Refer to [PC16650D] for hardware information. */
 
 /* I/O port base address for the first serial port. */
 #define IO_BASE 0x3f8