diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/common/aalinux.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/common/aalinux.c | 94 | 
1 files changed, 94 insertions, 0 deletions
| diff --git a/board/MAI/bios_emulator/scitech/src/common/aalinux.c b/board/MAI/bios_emulator/scitech/src/common/aalinux.c new file mode 100644 index 000000000..4385b23e4 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/common/aalinux.c @@ -0,0 +1,94 @@ +/**************************************************************************** +* +*                   SciTech Nucleus Graphics Architecture +* +*               Copyright (C) 1991-1998 SciTech Software, Inc. +*                            All rights reserved. +* +*  ====================================================================== +*  |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW| +*  |                                                                    | +*  |This copyrighted computer code contains proprietary technology      | +*  |owned by SciTech Software, Inc., located at 505 Wall Street,        | +*  |Chico, CA 95928 USA (http://www.scitechsoft.com).                   | +*  |                                                                    | +*  |The contents of this file are subject to the SciTech Nucleus        | +*  |License; you may *not* use this file or related software except in  | +*  |compliance with the License. You may obtain a copy of the License   | +*  |at http://www.scitechsoft.com/nucleus-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.                           | +*  |                                                                    | +*  |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW| +*  ====================================================================== +* +* Language:     ANSI C +* Environment:  Linux +* +* Description:  OS specific Nucleus Graphics Architecture services for +*               the Linux operating system. +* +****************************************************************************/ + +#include "nucleus/graphics.h" +#include <sys/time.h> + +/*---------------------------- Global Variables ---------------------------*/ + +static ibool        haveRDTSC; + +/*-------------------------- Implementation -------------------------------*/ + +/**************************************************************************** +REMARKS: +Nothing special for this OS. +****************************************************************************/ +GA_sharedInfo * NAPI GA_getSharedInfo( +    int device) +{ +    (void)device; +    return NULL; +} + +/**************************************************************************** +REMARKS: +Nothing special for this OS. +****************************************************************************/ +ibool NAPI GA_getSharedExports( +    GA_exports *gaExp) +{ +    (void)gaExp; +    return false; +} + +/**************************************************************************** +REMARKS: +This function initialises the high precision timing functions for the +Nucleus loader library. +****************************************************************************/ +ibool NAPI GA_TimerInit(void) +{ +    if (_GA_haveCPUID() && (_GA_getCPUIDFeatures() & CPU_HaveRDTSC) != 0) +        haveRDTSC = true; +    return true; +} + +/**************************************************************************** +REMARKS: +This function reads the high resolution timer. +****************************************************************************/ +void NAPI GA_TimerRead( +    GA_largeInteger *value) +{ +    if (haveRDTSC) +        _GA_readTimeStamp(value); +    else { +        struct timeval t; +        gettimeofday(&t, NULL); +        value->low = t.tv_sec*1000000 + t.tv_usec; +        value->high = 0; +        } +} |