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author | Greg Watson <jarrah@users.sourceforge.net> | 2004-03-13 03:40:51 +0000 |
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committer | Greg Watson <jarrah@users.sourceforge.net> | 2004-03-13 03:40:51 +0000 |
commit | e54d55b9d935745c2aa3f07712b857af42506c0d (patch) | |
tree | efe0e500105ceaa5aed882f52329fb6a5e675a75 /src/console/console.c | |
parent | 5c51c3d9d945ae77c93073db5624728959cf4c74 (diff) | |
download | coreboot-e54d55b9d935745c2aa3f07712b857af42506c0d.tar.xz |
added rx support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1410 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/console/console.c')
-rw-r--r-- | src/console/console.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/console/console.c b/src/console/console.c index 5ec936d8ab..b97ee8e1d5 100644 --- a/src/console/console.c +++ b/src/console/console.c @@ -52,6 +52,31 @@ void console_tx_byte(unsigned char byte) __console_tx_byte(byte); } +unsigned char console_rx_byte(void) +{ + struct console_driver *driver; + if (!initialized) + return 0; + for(driver = console_drivers; driver < econsole_drivers; driver++) + if (driver->tst_byte) + break; + if (driver == econsole_drivers) + return 0; + while (!driver->tst_byte()); + return driver->rx_byte(); +} + +int console_tst_byte(void) +{ + struct console_driver *driver; + if (!initialized) + return 0; + for(driver = console_drivers; driver < econsole_drivers; driver++) + if (driver->tst_byte) + return driver->tst_byte(); + return 0; +} + /* * Write POST information */ |