projects / u-boot.git / blame
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|---|---|---|
| c7de829c WD |
1 | /**************************************************************************** |
| 2 | * | |
| 3 | * SciTech Nucleus Graphics Architecture | |
| 4 | * | |
| 5 | * Copyright (C) 1991-1998 SciTech Software, Inc. | |
| 6 | * All rights reserved. | |
| 7 | * | |
| 8 | * ====================================================================== | |
| 9 | * |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW| | |
| 10 | * | | | |
| 11 | * |This copyrighted computer code contains proprietary technology | | |
| 12 | * |owned by SciTech Software, Inc., located at 505 Wall Street, | | |
| 13 | * |Chico, CA 95928 USA (http://www.scitechsoft.com). | | |
| 14 | * | | | |
| 15 | * |The contents of this file are subject to the SciTech Nucleus | | |
| 16 | * |License; you may *not* use this file or related software except in | | |
| 17 | * |compliance with the License. You may obtain a copy of the License | | |
| 18 | * |at http://www.scitechsoft.com/nucleus-license.txt | | |
| 19 | * | | | |
| 20 | * |Software distributed under the License is distributed on an | | |
| 21 | * |"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | | |
| 22 | * |implied. See the License for the specific language governing | | |
| 23 | * |rights and limitations under the License. | | |
| 24 | * | | | |
| 25 | * |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW| | |
| 26 | * ====================================================================== | |
| 27 | * | |
| 28 | * Language: ANSI C | |
| 29 | * Environment: smx32 | |
| 30 | * | |
| 31 | * Description: OS specific Nucleus Graphics Architecture services for | |
| 32 | * the smx32 platform -- no vxD support. | |
| 33 | * | |
| 34 | ****************************************************************************/ | |
| 35 | ||
| 36 | #include "pmapi.h" | |
| 37 | #include "nucleus/graphics.h" | |
| 38 | ||
| 39 | /*-------------------------- Implementation -------------------------------*/ | |
| 40 | ||
| 41 | /**************************************************************************** | |
| 42 | PARAMETERS: | |
| 43 | path - Local path to the Nucleus driver files. | |
| 44 | ||
| 45 | REMARKS: | |
| 46 | This function is used by the application program to override the location | |
| 47 | of the Nucleus driver files that are loaded. Normally the loader code | |
| 48 | will look in the system Nucleus directories first, then in the 'drivers' | |
| 49 | directory relative to the current working directory, and finally relative | |
| 50 | to the MGL_ROOT environment variable. | |
| 51 | ****************************************************************************/ | |
| 52 | void NAPI GA_setLocalPath( | |
| 53 | const char *path) | |
| 54 | { | |
| 55 | PM_setLocalBPDPath(path); | |
| 56 | } | |
| 57 | ||
| 58 | /**************************************************************************** | |
| 59 | RETURNS: | |
| 60 | Pointer to the system wide PM library imports, or the internal version if none | |
| 61 | ||
| 62 | REMARKS: | |
| 63 | In order to support deploying new Nucleus drivers that may require updated | |
| 64 | PM library functions, we check here to see if there is a system wide version | |
| 65 | of the PM functions available. If so we return those functions for use with | |
| 66 | the system wide Nucleus drivers, otherwise the compiled in version of the PM | |
| 67 | library is used with the application local version of Nucleus. | |
| 68 | ****************************************************************************/ | |
| 69 | PM_imports * NAPI GA_getSystemPMImports(void) | |
| 70 | { | |
| 71 | return &_PM_imports; | |
| 72 | } | |
| 73 | ||
| 74 | /**************************************************************************** | |
| 75 | REMARKS: | |
| 76 | Nothing special for this OS. | |
| 77 | ****************************************************************************/ | |
| 78 | ibool NAPI GA_getSharedExports( | |
| 79 | GA_exports *gaExp, | |
| 80 | ibool shared) | |
| 81 | { | |
| 82 | (void)gaExp; | |
| 83 | (void)shared; | |
| 84 | return false; | |
| 85 | } | |
| 86 | ||
| 87 | #ifndef TEST_HARNESS | |
| 88 | /**************************************************************************** | |
| 89 | REMARKS: | |
| 90 | Nothing special for this OS | |
| 91 | ****************************************************************************/ | |
| 92 | ibool NAPI GA_queryFunctions( | |
| 93 | GA_devCtx *dc, | |
| 94 | N_uint32 id, | |
| 95 | void _FAR_ *funcs) | |
| 96 | { | |
| 97 | return __GA_exports.GA_queryFunctions(dc,id,funcs); | |
| 98 | } | |
| 99 | ||
| 100 | /**************************************************************************** | |
| 101 | REMARKS: | |
| 102 | Nothing special for this OS | |
| 103 | ****************************************************************************/ | |
| 104 | ibool NAPI REF2D_queryFunctions( | |
| 105 | REF2D_driver *ref2d, | |
| 106 | N_uint32 id, | |
| 107 | void _FAR_ *funcs) | |
| 108 | { | |
| 109 | return __GA_exports.REF2D_queryFunctions(ref2d,id,funcs); | |
| 110 | } | |
| 111 | #endif | |
| 112 | ||
| 113 | /**************************************************************************** | |
| 114 | REMARKS: | |
| 115 | This function initialises the high precision timing functions for the | |
| 116 | Nucleus loader library. | |
| 117 | ****************************************************************************/ | |
| 118 | ibool NAPI GA_TimerInit(void) | |
| 119 | { | |
| 120 | if (_GA_haveCPUID() && (_GA_getCPUIDFeatures() & CPU_HaveRDTSC) != 0) | |
| 8bde7f77 | 121 | return true; |
| c7de829c WD |
122 | return false; |
| 123 | } | |
| 124 | ||
| 125 | /**************************************************************************** | |
| 126 | REMARKS: | |
| 127 | This function reads the high resolution timer. | |
| 128 | ****************************************************************************/ | |
| 129 | void NAPI GA_TimerRead( | |
| 130 | GA_largeInteger *value) | |
| 131 | { | |
| 132 | _GA_readTimeStamp(value); | |
| 133 | } |