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author | Björn Stenberg <bjorn@haxx.se> | 2002-04-21 22:06:12 +0000 |
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committer | Björn Stenberg <bjorn@haxx.se> | 2002-04-21 22:06:12 +0000 |
commit | 1acfd6b39d30a52c670263db50468590b8661f58 (patch) | |
tree | f5fd00e8bc5edc5b2934d8cfbfc48233d55ead85 /firmware/kernel.c | |
parent | 78e6bb8ee25ed3215b010f402a0af849b7f7d25c (diff) | |
download | rockbox-1acfd6b39d30a52c670263db50468590b8661f58.tar.gz rockbox-1acfd6b39d30a52c670263db50468590b8661f58.zip |
Alan's ATA code, or what's left of it after I have laid my grubby little hands
on it. :-) It compiles, but it probably doesn't work...
Also, a stub for future kernel code. A sleep() and a dummy yield(), just so we
can start to use them in other code.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@163 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/kernel.c')
-rw-r--r-- | firmware/kernel.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/firmware/kernel.c b/firmware/kernel.c new file mode 100644 index 0000000000..012ff94c73 --- /dev/null +++ b/firmware/kernel.c | |||
@@ -0,0 +1,35 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Björn Stenberg | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #include "kernel.h" | ||
20 | |||
21 | long current_tick = 0; | ||
22 | |||
23 | void sleep(int ticks) | ||
24 | { | ||
25 | int timeout = current_tick + ticks; | ||
26 | |||
27 | /* always yield at least once */ | ||
28 | do { | ||
29 | yield(); | ||
30 | } while (TIME_BEFORE( current_tick, timeout )); | ||
31 | } | ||
32 | |||
33 | void yield(void) | ||
34 | { | ||
35 | } | ||