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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/common/gaos2.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/common/gaos2.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/common/gaos2.c b/board/MAI/bios_emulator/scitech/src/common/gaos2.c deleted file mode 100644 index 26e6503e5f..0000000000 --- a/board/MAI/bios_emulator/scitech/src/common/gaos2.c +++ /dev/null @@ -1,248 +0,0 @@ -/**************************************************************************** -* -* 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: OS/2 32-bit -* -* Description: OS specific Nucleus Graphics Architecture services for -* the OS/2 operating system environments. -* -****************************************************************************/ - -#include "pm_help.h" -#define INCL_DOSERRORS -#define INCL_DOS -#define INCL_SUB -#define INCL_VIO -#define INCL_KBD -#include <os2.h> - -/*--------------------------- Global variables ----------------------------*/ - -static ibool haveRDTSC = false; -static ulong parms[3]; /* Must not cross 64Kb boundary! */ -static ulong result[4]; /* Must not cross 64Kb boundary! */ - -/*-------------------------- Implementation -------------------------------*/ - -/**************************************************************************** -PARAMETERS: -func - Helper device driver function to call - -RETURNS: -First return value from the device driver in parmsOut[0] - -REMARKS: -Function to open our helper device driver, call it and close the file -handle. Note that we have to open the device driver for every call because -of two problems: - - 1. We cannot open a single file handle in a DLL that is shared amongst - programs, since every process must have it's own open file handle. - - 2. For some reason there appears to be a limit of about 12 open file - handles on a device driver in the system. Hence when we open more - than about 12 file handles things start to go very strange. - -Hence we simply open the file handle every time that we need to call the -device driver to work around these problems. -****************************************************************************/ -static ulong CallSDDHelp( - int func) -{ - static ulong inLen; /* Must not cross 64Kb boundary! */ - static ulong outLen; /* Must not cross 64Kb boundary! */ - HFILE hSDDHelp; - - /* If this code in here fails, we are screwed! Many of our drivers - * use this code and don't have a C library, so we simply assume we - * can't fail here. - */ - DosOpen(PMHELP_NAME,&hSDDHelp,&result[0],0,0, - FILE_OPEN, OPEN_SHARE_DENYNONE | OPEN_ACCESS_READWRITE, - NULL); - DosDevIOCtl(hSDDHelp,PMHELP_IOCTL,func, - &parms, inLen = sizeof(parms), &inLen, - &result, outLen = sizeof(result), &outLen); - DosClose(hSDDHelp); - return result[0]; -} - -/**************************************************************************** -PARAMETERS: -path - Local path to the Nucleus driver files. - -REMARKS: -This function is used by the application program to override the location -of the Nucleus driver files that are loaded. Normally the loader code -will look in the system Nucleus directories first, then in the 'drivers' -directory relative to the current working directory, and finally relative -to the MGL_ROOT environment variable. -****************************************************************************/ -void NAPI GA_setLocalPath( - const char *path) -{ - PM_setLocalBPDPath(path); -} - -/**************************************************************************** -RETURNS: -Pointer to the system wide PM library imports, or the internal version if none - -REMARKS: -For OS/2 we don't need to do anything special because Nucleus is always -loaded via the shared SDDPMI driver when SDD is loaded so we don't need -a system wide PM library imports function. -****************************************************************************/ -PM_imports * NAPI GA_getSystemPMImports(void) -{ - return &_PM_imports; -} - -/**************************************************************************** -PARAMETERS: -gaExp - Place to store the exported functions -shared - True if connecting to the shared, global Nucleus driver - -REMARKS: -For OS/2 if SDD is loaded we *always* connect to the shared Nucleus functions -contained within the SDDPMI driver. This allows the Nucleus functions contained -within this driver to be utilised by all Nucleus apps in the system and -maintains a consistent state between versions. -****************************************************************************/ -ibool NAPI GA_getSharedExports( - GA_exports *gaExp, - ibool shared) -{ - /* In test harness mode, we need to load a local copy of Nucleus */ -#if !defined (TEST_HARNESS) || defined (DEBUG_SDDPMI) - HMODULE hModSDDPMI; - char buf[80]; - GA_exports *exp; - - /* Initialise the PM library and connect to our runtime DLL's */ - PM_init(); - if (CallSDDHelp(PMHELP_GETSHAREDEXP) != 0) { - /* We have found the shared Nucleus exports. Because not all processes - * map to SDDPMI.DLL, we need to ensure that we connect to this - * DLL so that it gets mapped into our address space (that is - * where the shared Nucleus loader code is located). Simply doing a - * DosLoadModule on it is enough for this. - */ - DosLoadModule((PSZ)buf,sizeof(buf),(PSZ)"SDDPMI.DLL",&hModSDDPMI); - exp = (GA_exports*)result[0]; - memcpy(gaExp,exp,MIN(gaExp->dwSize,exp->dwSize)); - return true; - } -#endif - (void)shared; - return false; -} - -#ifndef TEST_HARNESS -/**************************************************************************** -REMARKS: -Nothing special for this OS -****************************************************************************/ -ibool NAPI GA_queryFunctions( - GA_devCtx *dc, - N_uint32 id, - void _FAR_ *funcs) -{ - return __GA_exports.GA_queryFunctions(dc,id,funcs); -} - -/**************************************************************************** -REMARKS: -Nothing special for this OS -****************************************************************************/ -ibool NAPI REF2D_queryFunctions( - REF2D_driver *ref2d, - N_uint32 id, - void _FAR_ *funcs) -{ - return __GA_exports.REF2D_queryFunctions(ref2d,id,funcs); -} -#endif - -/**************************************************************************** -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 - DosTmrQueryTime((QWORD*)value); -} - -/**************************************************************************** -REMARKS: -On OS/2, we need special memory allocation functions if we build SDDPMI in -test harness mode. But if we build GATest etc. in test mode, we want to use -the normal C runtime functions, so route them back here. -****************************************************************************/ - -#if defined (TEST_HARNESS) && !defined (DEBUG_SDDPMI) - -/* Undefine these macros first or we'll recurse to hell! */ -#undef malloc -#undef calloc -#undef realloc -#undef free - -void *SDDPMI_malloc(size_t size) { - return malloc(size); -} - -void *SDDPMI_calloc(size_t num, size_t size) { - return calloc(num, size); -} - -void SDDPMI_free(void *ptr) { - free(ptr); -} - -void *SDDPMI_realloc(void *ptr, size_t size) { - return realloc(ptr, size); -} - -#endif |
