diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/stub/cpuinfo.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/stub/cpuinfo.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/stub/cpuinfo.c b/board/MAI/bios_emulator/scitech/src/pm/stub/cpuinfo.c new file mode 100644 index 0000000..2833a72 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/stub/cpuinfo.c @@ -0,0 +1,79 @@ +/**************************************************************************** +* +* Ultra Long Period Timer +* +* ======================================================================== +* +* The contents of this file are subject to the SciTech MGL Public +* License Version 1.0 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.scitechsoft.com/mgl-license.txt +* +* Software distributed under the License is distributed on an +* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. +* +* The Initial Developer of the Original Code is SciTech Software, Inc. +* All Rights Reserved. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: *** TODO: ADD YOUR OS ENVIRONMENT NAME HERE *** +* +* Description: Module to implement OS specific services to measure the +* CPU frequency. +* +****************************************************************************/ + +/*----------------------------- Implementation ----------------------------*/ + +/**************************************************************************** +REMARKS: +Increase the thread priority to maximum, if possible. +****************************************************************************/ +static int SetMaxThreadPriority(void) +{ + // TODO: If you have thread priorities, increase it to maximum for the + // thread for timing the CPU frequency. + return oldPriority; +} + +/**************************************************************************** +REMARKS: +Restore the original thread priority. +****************************************************************************/ +static void RestoreThreadPriority( + int priority) +{ + // TODO: Restore the original thread priority on exit. +} + +/**************************************************************************** +REMARKS: +Initialise the counter and return the frequency of the counter. +****************************************************************************/ +static void GetCounterFrequency( + CPU_largeInteger *freq) +{ + // TODO: Return the frequency of the counter in here. You should try to + // normalise this value to be around 100,000 ticks per second. + freq->low = 0; + freq->high = 0; +} + +/**************************************************************************** +REMARKS: +Read the counter and return the counter value. + +TODO: Implement this to read the counter. It should be done as a macro + for accuracy. +****************************************************************************/ +#define GetCounter(t) \ +{ \ + (t)->low = 0; \ + (t)->high = 0; \ +} |