diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/rttarget')
6 files changed, 1300 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/rttarget/cpuinfo.c b/board/MAI/bios_emulator/scitech/src/pm/rttarget/cpuinfo.c new file mode 100644 index 0000000000..3d6dd44313 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/rttarget/cpuinfo.c @@ -0,0 +1,94 @@ +/**************************************************************************** +* +* 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: RTTarget-32 +* +* Description: Module to implement OS specific services to measure the +* CPU frequency. +* +****************************************************************************/ + +/*---------------------------- Global variables ---------------------------*/ + +static ibool havePerformanceCounter; + +/*----------------------------- Implementation ----------------------------*/ + +/**************************************************************************** +REMARKS: +Increase the thread priority to maximum, if possible. +****************************************************************************/ +static int SetMaxThreadPriority(void) +{ + int oldPriority; + HANDLE hThread = GetCurrentThread(); + + oldPriority = GetThreadPriority(hThread); + if (oldPriority != THREAD_PRIORITY_ERROR_RETURN) + SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL); + return oldPriority; +} + +/**************************************************************************** +REMARKS: +Restore the original thread priority. +****************************************************************************/ +static void RestoreThreadPriority( + int oldPriority) +{ + HANDLE hThread = GetCurrentThread(); + + if (oldPriority != THREAD_PRIORITY_ERROR_RETURN) + SetThreadPriority(hThread, oldPriority); +} + +/**************************************************************************** +REMARKS: +Initialise the counter and return the frequency of the counter. +****************************************************************************/ +static void GetCounterFrequency( + CPU_largeInteger *freq) +{ + if (!QueryPerformanceFrequency((LARGE_INTEGER*)freq)) { + havePerformanceCounter = false; + freq->low = 100000; + freq->high = 0; + } + else + havePerformanceCounter = true; +} + +/**************************************************************************** +REMARKS: +Read the counter and return the counter value. +****************************************************************************/ +#define GetCounter(t) \ +{ \ + if (havePerformanceCounter) \ + QueryPerformanceCounter((LARGE_INTEGER*)t); \ + else { \ + (t)->low = timeGetTime() * 100; \ + (t)->high = 0; \ + } \ +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/rttarget/event.c b/board/MAI/bios_emulator/scitech/src/pm/rttarget/event.c new file mode 100644 index 0000000000..e9aba21b9f --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/rttarget/event.c @@ -0,0 +1,287 @@ +/**************************************************************************** +* +* SciTech Multi-platform Graphics Library +* +* ======================================================================== +* +* 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: RTTarget-32 +* +* Description: Win32 implementation for the SciTech cross platform +* event library. +* +****************************************************************************/ + +/*---------------------------- Global Variables ---------------------------*/ + +static ushort keyUpMsg[256] = {0}; /* Table of key up messages */ +static int rangeX,rangeY; /* Range of mouse coordinates */ + +/*---------------------------- Implementation -----------------------------*/ + +/* These are not used under Win32 */ +#define _EVT_disableInt() 1 +#define _EVT_restoreInt(flags) + +/**************************************************************************** +PARAMETERS: +scanCode - Scan code to test + +REMARKS: +This macro determines if a specified key is currently down at the +time that the call is made. +****************************************************************************/ +#define _EVT_isKeyDown(scanCode) (keyUpMsg[scanCode] != 0) + +/**************************************************************************** +REMARKS: +This function is used to return the number of ticks since system +startup in milliseconds. This should be the same value that is placed into +the time stamp fields of events, and is used to implement auto mouse down +events. +****************************************************************************/ +ulong _EVT_getTicks(void) +{ return timeGetTime(); } + +/**************************************************************************** +REMARKS: +Pumps all messages in the message queue from Win32 into our event queue. +****************************************************************************/ +void _EVT_pumpMessages(void) +{ + MSG msg; + MSG charMsg; + event_t evt; + + while (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) { + memset(&evt,0,sizeof(evt)); + switch (msg.message) { + case WM_MOUSEMOVE: + evt.what = EVT_MOUSEMOVE; + break; + case WM_LBUTTONDBLCLK: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_LEFTBMASK | EVT_DBLCLICK; + break; + case WM_LBUTTONDOWN: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_LEFTBMASK; + break; + case WM_LBUTTONUP: + evt.what = EVT_MOUSEUP; + evt.message = EVT_LEFTBMASK; + break; + case WM_RBUTTONDBLCLK: + evt.what = EVT_MOUSEDOWN | EVT_DBLCLICK; + evt.message = EVT_RIGHTBMASK; + break; + case WM_RBUTTONDOWN: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_RIGHTBMASK; + break; + case WM_RBUTTONUP: + evt.what = EVT_MOUSEUP; + evt.message = EVT_RIGHTBMASK; + break; + case WM_KEYDOWN: + case WM_SYSKEYDOWN: + if (HIWORD(msg.lParam) & KF_REPEAT) { + evt.what = EVT_KEYREPEAT; + } + else { + evt.what = EVT_KEYDOWN; + } + break; + case WM_KEYUP: + case WM_SYSKEYUP: + evt.what = EVT_KEYUP; + break; + } + + /* Convert mouse event modifier flags */ + if (evt.what & EVT_MOUSEEVT) { + evt.where_x = msg.pt.x; + evt.where_y = msg.pt.y; + if (evt.what == EVT_MOUSEMOVE) { + if (oldMove != -1) { + evtq[oldMove].where_x = evt.where_x;/* Modify existing one */ + evtq[oldMove].where_y = evt.where_y; + evt.what = 0; + } + else { + oldMove = freeHead; /* Save id of this move event */ + } + } + else + oldMove = -1; + if (msg.wParam & MK_LBUTTON) + evt.modifiers |= EVT_LEFTBUT; + if (msg.wParam & MK_RBUTTON) + evt.modifiers |= EVT_RIGHTBUT; + if (msg.wParam & MK_SHIFT) + evt.modifiers |= EVT_SHIFTKEY; + if (msg.wParam & MK_CONTROL) + evt.modifiers |= EVT_CTRLSTATE; + } + + /* Convert keyboard codes */ + TranslateMessage(&msg); + if (evt.what & EVT_KEYEVT) { + int scanCode = (msg.lParam >> 16) & 0xFF; + if (evt.what == EVT_KEYUP) { + /* Get message for keyup code from table of cached down values */ + evt.message = keyUpMsg[scanCode]; + keyUpMsg[scanCode] = 0; + } + else { + if (PeekMessage(&charMsg,NULL,WM_CHAR,WM_CHAR,PM_REMOVE)) + evt.message = charMsg.wParam; + if (PeekMessage(&charMsg,NULL,WM_SYSCHAR,WM_SYSCHAR,PM_REMOVE)) + evt.message = charMsg.wParam; + evt.message |= ((msg.lParam >> 8) & 0xFF00); + keyUpMsg[scanCode] = (ushort)evt.message; + } + if (evt.what == EVT_KEYREPEAT) + evt.message |= (msg.lParam << 16); + if (HIWORD(msg.lParam) & KF_ALTDOWN) + evt.modifiers |= EVT_ALTSTATE; + if (GetKeyState(VK_SHIFT) & 0x8000U) + evt.modifiers |= EVT_SHIFTKEY; + if (GetKeyState(VK_CONTROL) & 0x8000U) + evt.modifiers |= EVT_CTRLSTATE; + oldMove = -1; + } + + if (evt.what != 0) { + /* Add time stamp and add the event to the queue */ + evt.when = msg.time; + if (count < EVENTQSIZE) { + addEvent(&evt); + } + } + DispatchMessage(&msg); + } +} + +/**************************************************************************** +REMARKS: +This macro/function is used to converts the scan codes reported by the +keyboard to our event libraries normalised format. We only have one scan +code for the 'A' key, and use shift modifiers to determine if it is a +Ctrl-F1, Alt-F1 etc. The raw scan codes from the keyboard work this way, +but the OS gives us 'cooked' scan codes, we have to translate them back +to the raw format. +****************************************************************************/ +#define _EVT_maskKeyCode(evt) + +/**************************************************************************** +REMARKS: +Safely abort the event module upon catching a fatal error. +****************************************************************************/ +void _EVT_abort() +{ + EVT_exit(); + PM_fatalError("Unhandled exception!"); +} + +/**************************************************************************** +PARAMETERS: +mouseMove - Callback function to call wheneve the mouse needs to be moved + +REMARKS: +Initiliase the event handling module. Here we install our mouse handling ISR +to be called whenever any button's are pressed or released. We also build +the free list of events in the event queue. + +We use handler number 2 of the mouse libraries interrupt handlers for our +event handling routines. +****************************************************************************/ +void EVTAPI EVT_init( + _EVT_mouseMoveHandler mouseMove) +{ + /* Initialise the event queue */ + _mouseMove = mouseMove; + initEventQueue(); + memset(keyUpMsg,0,sizeof(keyUpMsg)); + + /* Catch program termination signals so we can clean up properly */ + signal(SIGABRT, _EVT_abort); + signal(SIGFPE, _EVT_abort); + signal(SIGINT, _EVT_abort); +} + +/**************************************************************************** +REMARKS +Changes the range of coordinates returned by the mouse functions to the +specified range of values. This is used when changing between graphics +modes set the range of mouse coordinates for the new display mode. +****************************************************************************/ +void EVTAPI EVT_setMouseRange( + int xRes, + int yRes) +{ + rangeX = xRes; + rangeY = yRes; +} + +/**************************************************************************** +REMARKS +Modifes the mouse coordinates as necessary if scaling to OS coordinates, +and sets the OS mouse cursor position. +****************************************************************************/ +void _EVT_setMousePos( + int *x, + int *y) +{ + SetCursorPos(*x,*y); +} + +/**************************************************************************** +REMARKS: +Initiailises the internal event handling modules. The EVT_suspend function +can be called to suspend event handling (such as when shelling out to DOS), +and this function can be used to resume it again later. +****************************************************************************/ +void EVT_resume(void) +{ + // Do nothing for Win32 +} + +/**************************************************************************** +REMARKS +Suspends all of our event handling operations. This is also used to +de-install the event handling code. +****************************************************************************/ +void EVT_suspend(void) +{ + // Do nothing for Win32 +} + +/**************************************************************************** +REMARKS +Exits the event module for program terminatation. +****************************************************************************/ +void EVT_exit(void) +{ + /* Restore signal handlers */ + signal(SIGABRT, SIG_DFL); + signal(SIGFPE, SIG_DFL); + signal(SIGINT, SIG_DFL); +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/rttarget/oshdr.h b/board/MAI/bios_emulator/scitech/src/pm/rttarget/oshdr.h new file mode 100644 index 0000000000..1352dadad6 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/rttarget/oshdr.h @@ -0,0 +1,34 @@ +/**************************************************************************** +* +* SciTech OS Portability Manager Library +* +* ======================================================================== +* +* 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: RTTarget-32 +* +* Description: Include file to include all OS specific header files. +* +****************************************************************************/ + +#define WIN32_LEAN_AND_MEAN +#define STRICT +#include <windows.h> +#include <mmsystem.h> diff --git a/board/MAI/bios_emulator/scitech/src/pm/rttarget/pm.c b/board/MAI/bios_emulator/scitech/src/pm/rttarget/pm.c new file mode 100644 index 0000000000..e6c1fbd8b3 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/rttarget/pm.c @@ -0,0 +1,701 @@ +/**************************************************************************** +* +* SciTech OS Portability Manager Library +* +* ======================================================================== +* +* 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: RTTarget-32 +* +* Description: Implementation for the OS Portability Manager Library, which +* contains functions to implement OS specific services in a +* generic, cross platform API. Porting the OS Portability +* Manager library is the first step to porting any SciTech +* products to a new platform. +* +****************************************************************************/ + +#include "pmapi.h" +#include "drvlib/os/os.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#define WIN32_LEAN_AND_MEAN +#define STRICT +#include <windows.h> +#include <mmsystem.h> +#ifdef __BORLANDC__ +#pragma warn -par +#endif + +/*--------------------------- Global variables ----------------------------*/ + +static void (PMAPIP fatalErrorCleanup)(void) = NULL; + +/*----------------------------- Implementation ----------------------------*/ + +void MTRR_init(void); + +/**************************************************************************** +REMARKS: +Initialise the PM library. +****************************************************************************/ +void PMAPI PM_init(void) +{ + // TODO: dO any special init code in here. + MTRR_init(); +} + +/**************************************************************************** +REMARKS: +Return the operating system type identifier. +****************************************************************************/ +long PMAPI PM_getOSType(void) +{ + return _OS_RTTARGET; +} + +/**************************************************************************** +REMARKS: +Return the runtime type identifier. +****************************************************************************/ +int PMAPI PM_getModeType(void) +{ + return PM_386; +} + +/**************************************************************************** +REMARKS: +Add a file directory separator to the end of the filename. +****************************************************************************/ +void PMAPI PM_backslash( + char *s) +{ + uint pos = strlen(s); + if (s[pos-1] != '\\') { + s[pos] = '\\'; + s[pos+1] = '\0'; + } +} + +/**************************************************************************** +REMARKS: +Add a user defined PM_fatalError cleanup function. +****************************************************************************/ +void PMAPI PM_setFatalErrorCleanup( + void (PMAPIP cleanup)(void)) +{ + fatalErrorCleanup = cleanup; +} + +/**************************************************************************** +REMARKS: +Report a fatal error condition and halt the program. +****************************************************************************/ +void PMAPI PM_fatalError( + const char *msg) +{ + if (fatalErrorCleanup) + fatalErrorCleanup(); + // TODO: Display a fatal error message and exit! +// MessageBox(NULL,msg,"Fatal Error!", MB_ICONEXCLAMATION); + exit(1); +} + +/**************************************************************************** +REMARKS: +Allocate the real mode VESA transfer buffer for communicating with the BIOS. +****************************************************************************/ +void * PMAPI PM_getVESABuf( + uint *len, + uint *rseg, + uint *roff) +{ + /* No BIOS access for the RTTarget */ + return NULL; +} + +/**************************************************************************** +REMARKS: +Check if a key has been pressed. +****************************************************************************/ +int PMAPI PM_kbhit(void) +{ + // TODO: Need to check if a key is waiting on the keyboard queue + return true; +} + +/**************************************************************************** +REMARKS: +Wait for and return the next keypress. +****************************************************************************/ +int PMAPI PM_getch(void) +{ + // TODO: Need to obtain the next keypress, and block until one is hit + return 0xD; +} + +/**************************************************************************** +REMARKS: +Set the location of the OS console cursor. +****************************************************************************/ +void PM_setOSCursorLocation( + int x, + int y) +{ + /* Nothing to do for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Set the width of the OS console. +****************************************************************************/ +void PM_setOSScreenWidth( + int width, + int height) +{ + /* Nothing to do for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Set the real time clock handler (used for software stereo modes). +****************************************************************************/ +ibool PMAPI PM_setRealTimeClockHandler( + PM_intHandler ih, + int frequency) +{ + /* Not supported for RTTarget-32 */ + return false; +} + +/**************************************************************************** +REMARKS: +Set the real time clock frequency (for stereo modes). +****************************************************************************/ +void PMAPI PM_setRealTimeClockFrequency( + int frequency) +{ + /* Not supported under RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Restore the original real time clock handler. +****************************************************************************/ +void PMAPI PM_restoreRealTimeClockHandler(void) +{ + /* Not supported under RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Return the current operating system path or working directory. +****************************************************************************/ +char * PMAPI PM_getCurrentPath( + char *path, + int maxLen) +{ + return getcwd(path,maxLen); +} + +/**************************************************************************** +REMARKS: +Return the drive letter for the boot drive. +****************************************************************************/ +char PMAPI PM_getBootDrive(void) +{ + return 'c'; +} + +/**************************************************************************** +REMARKS: +Return the path to the VBE/AF driver files. +****************************************************************************/ +const char * PMAPI PM_getVBEAFPath(void) +{ + return "c:\\"; +} + +/**************************************************************************** +REMARKS: +Return the path to the Nucleus driver files. +****************************************************************************/ +const char * PMAPI PM_getNucleusPath(void) +{ + // TODO: Point this at the path when the Nucleus drivers will be found + return "c:\\nucleus"; +} + +/**************************************************************************** +REMARKS: +Return the path to the Nucleus configuration files. +****************************************************************************/ +const char * PMAPI PM_getNucleusConfigPath(void) +{ + static char path[256]; + strcpy(path,PM_getNucleusPath()); + PM_backslash(path); + strcat(path,"config"); + return path; +} + +/**************************************************************************** +REMARKS: +Return a unique identifier for the machine if possible. +****************************************************************************/ +const char * PMAPI PM_getUniqueID(void) +{ + return PM_getMachineName(); +} + +/**************************************************************************** +REMARKS: +Get the name of the machine on the network. +****************************************************************************/ +const char * PMAPI PM_getMachineName(void) +{ + /* Not necessary for RTTarget-32 */ + return "Unknown"; +} + +/**************************************************************************** +REMARKS: +Return a pointer to the real mode BIOS data area. +****************************************************************************/ +void * PMAPI PM_getBIOSPointer(void) +{ + /* Not used for RTTarget-32 */ + return NULL; +} + +/**************************************************************************** +REMARKS: +Return a pointer to 0xA0000 physical VGA graphics framebuffer. +****************************************************************************/ +void * PMAPI PM_getA0000Pointer(void) +{ + static void *bankPtr; + if (!bankPtr) + bankPtr = PM_mapPhysicalAddr(0xA0000,0xFFFF,true); + return bankPtr; +} + +/**************************************************************************** +REMARKS: +Map a physical address to a linear address in the callers process. +****************************************************************************/ +void * PMAPI PM_mapPhysicalAddr( + ulong base, + ulong limit, + ibool isCached) +{ + // TODO: Map a physical memory address to a linear address + return NULL; +} + +/**************************************************************************** +REMARKS: +Free a physical address mapping allocated by PM_mapPhysicalAddr. +****************************************************************************/ +void PMAPI PM_freePhysicalAddr( + void *ptr, + ulong limit) +{ + // TODO: Free the physical address mapping +} + +ulong PMAPI PM_getPhysicalAddr(void *p) +{ + // TODO: This function should find the physical address of a linear + // address. + return 0xFFFFFFFFUL; +} + +void PMAPI PM_sleep(ulong milliseconds) +{ + Sleep(milliseconds); +} + +int PMAPI PM_getCOMPort(int port) +{ + // TODO: Re-code this to determine real values using the Plug and Play + // manager for the OS. + switch (port) { + case 0: return 0x3F8; + case 1: return 0x2F8; + } + return 0; +} + +int PMAPI PM_getLPTPort(int port) +{ + // TODO: Re-code this to determine real values using the Plug and Play + // manager for the OS. + switch (port) { + case 0: return 0x3BC; + case 1: return 0x378; + case 2: return 0x278; + } + return 0; +} + +/**************************************************************************** +REMARKS: +Allocate a block of (unnamed) shared memory. +****************************************************************************/ +void * PMAPI PM_mallocShared( + long size) +{ + return PM_malloc(size); +} + +/**************************************************************************** +REMARKS: +Free a block of shared memory. +****************************************************************************/ +void PMAPI PM_freeShared( + void *ptr) +{ + PM_free(ptr); +} + +/**************************************************************************** +REMARKS: +Map a linear memory address to the calling process address space. The +address will have been allocated in another process using the +PM_mapPhysicalAddr function. +****************************************************************************/ +void * PMAPI PM_mapToProcess( + void *base, + ulong limit) +{ + return base; +} + +/**************************************************************************** +REMARKS: +Map a real mode pointer to a protected mode pointer. +****************************************************************************/ +void * PMAPI PM_mapRealPointer( + uint r_seg, + uint r_off) +{ + /* Not used for RTTarget-32 */ + return NULL; +} + +/**************************************************************************** +REMARKS: +Allocate a block of real mode memory +****************************************************************************/ +void * PMAPI PM_allocRealSeg( + uint size, + uint *r_seg, + uint *r_off) +{ + /* Not used for RTTarget-32 */ + return NULL; +} + +/**************************************************************************** +REMARKS: +Free a block of real mode memory. +****************************************************************************/ +void PMAPI PM_freeRealSeg( + void *mem) +{ + /* Not used for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Issue a real mode interrupt (parameters in DPMI compatible structure) +****************************************************************************/ +void PMAPI DPMI_int86( + int intno, + DPMI_regs *regs) +{ + /* Not used for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Issue a real mode interrupt. +****************************************************************************/ +int PMAPI PM_int86( + int intno, + RMREGS *in, + RMREGS *out) +{ + /* Not used for RTTarget-32 */ + return 0; +} + +/**************************************************************************** +REMARKS: +Issue a real mode interrupt. +****************************************************************************/ +int PMAPI PM_int86x( + int intno, + RMREGS *in, + RMREGS *out, + RMSREGS *sregs) +{ + /* Not used for RTTarget-32 */ + return 0; +} + +/**************************************************************************** +REMARKS: +Call a real mode far function. +****************************************************************************/ +void PMAPI PM_callRealMode( + uint seg, + uint off, + RMREGS *in, + RMSREGS *sregs) +{ + /* Not used for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Return the amount of available memory. +****************************************************************************/ +void PMAPI PM_availableMemory( + ulong *physical, + ulong *total) +{ + // TODO: Figure out how to determine the available memory. Not entirely + // critical so returning 0 is OK. + *physical = *total = 0; +} + +/**************************************************************************** +REMARKS: +Allocate a block of locked, physical memory for DMA operations. +****************************************************************************/ +void * PMAPI PM_allocLockedMem( + uint size, + ulong *physAddr, + ibool contiguous, + ibool below16M) +{ + // TODO: Allocate a block of locked, phsyically contigous memory for DMA + return 0; +} + +/**************************************************************************** +REMARKS: +Free a block of locked physical memory. +****************************************************************************/ +void PMAPI PM_freeLockedMem( + void *p, + uint size, + + ibool contiguous) +{ + // TODO: Free a locked memory buffer +} + +/**************************************************************************** +REMARKS: +Call the VBE/Core software interrupt to change display banks. +****************************************************************************/ +void PMAPI PM_setBankA( + int bank) +{ + /* Not used for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Call the VBE/Core software interrupt to change display banks. +****************************************************************************/ +void PMAPI PM_setBankAB( + int bank) +{ + /* Not used for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Call the VBE/Core software interrupt to change display start address. +****************************************************************************/ +void PMAPI PM_setCRTStart( + int x, + int y, + int waitVRT) +{ + /* Not used for RTTarget-32 */ +} + +/**************************************************************************** +REMARKS: +Execute the POST on the secondary BIOS for a controller. +****************************************************************************/ +ibool PMAPI PM_doBIOSPOST( + ushort axVal, + ulong BIOSPhysAddr, + void *mappedBIOS) +{ + /* Not used for RTTarget-32 */ + return false; +} + +PM_MODULE PMAPI PM_loadLibrary( + const char *szDLLName) +{ + // TODO: Implement this to load shared libraries! + (void)szDLLName; + return NULL; +} + +void * PMAPI PM_getProcAddress( + PM_MODULE hModule, + const char *szProcName) +{ + // TODO: Implement this! + (void)hModule; + (void)szProcName; + return NULL; +} + +void PMAPI PM_freeLibrary( + PM_MODULE hModule) +{ + // TODO: Implement this! + (void)hModule; +} + +/**************************************************************************** +REMARKS: +Function to find the first file matching a search criteria in a directory. +****************************************************************************/ +ulong PMAPI PM_findFirstFile( + const char *filename, + PM_findData *findData) +{ + // TODO: This function should start a directory enumeration search + // given the filename (with wildcards). The data should be + // converted and returned in the findData standard form. + (void)filename; + (void)findData; + return PM_FILE_INVALID; +} + +/**************************************************************************** +REMARKS: +Function to find the next file matching a search criteria in a directory. +****************************************************************************/ +ibool PMAPI PM_findNextFile( + ulong handle, + PM_findData *findData) +{ + // TODO: This function should find the next file in directory enumeration + // search given the search criteria defined in the call to + // PM_findFirstFile. The data should be converted and returned + // in the findData standard form. + (void)handle; + (void)findData; + return false; +} + +/**************************************************************************** +REMARKS: +Function to close the find process +****************************************************************************/ +void PMAPI PM_findClose( + ulong handle) +{ + // TODO: This function should close the find process. This may do + // nothing for some OS'es. + (void)handle; +} + +/**************************************************************************** +REMARKS: +Function to determine if a drive is a valid drive or not. Under Unix this +function will return false for anything except a value of 3 (considered +the root drive, and equivalent to C: for non-Unix systems). The drive +numbering is: + + 1 - Drive A: + 2 - Drive B: + 3 - Drive C: + etc + +****************************************************************************/ +ibool PMAPI PM_driveValid( + char drive) +{ + if (drive == 3) + return true; + return false; +} + +/**************************************************************************** +REMARKS: +Function to get the current working directory for the specififed drive. +Under Unix this will always return the current working directory regardless +of what the value of 'drive' is. +****************************************************************************/ +void PMAPI PM_getdcwd( + int drive, + char *dir, + int len) +{ + (void)drive; + getcwd(dir,len); +} + +/**************************************************************************** +REMARKS: +Function to change the file attributes for a specific file. +****************************************************************************/ +void PMAPI PM_setFileAttr( + const char *filename, + uint attrib) +{ + // TODO: Set the file attributes for a file + (void)filename; + (void)attrib; +} + +/**************************************************************************** +REMARKS: +Function to create a directory. +****************************************************************************/ +ibool PMAPI PM_mkdir( + const char *filename) +{ + return mkdir(filename) == 0; +} + +/**************************************************************************** +REMARKS: +Function to remove a directory. +****************************************************************************/ +ibool PMAPI PM_rmdir( + const char *filename) +{ + return rmdir(filename) == 0; +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/rttarget/vflat.c b/board/MAI/bios_emulator/scitech/src/pm/rttarget/vflat.c new file mode 100644 index 0000000000..dd9dfe6826 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/rttarget/vflat.c @@ -0,0 +1,48 @@ +/**************************************************************************** +* +* SciTech OS Portability Manager Library +* +* ======================================================================== +* +* 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: RTTarget-32 +* +* Description: Dummy module; no virtual framebuffer for this OS +* +****************************************************************************/ + +#include "pmapi.h" +#ifdef __BORLANDC__ +#pragma warn -par +#endif + +ibool PMAPI VF_available(void) +{ + return false; +} + +void * PMAPI VF_init(ulong baseAddr,int bankSize,int codeLen,void *bankFunc) +{ + return NULL; +} + +void PMAPI VF_exit(void) +{ +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/rttarget/ztimer.c b/board/MAI/bios_emulator/scitech/src/pm/rttarget/ztimer.c new file mode 100644 index 0000000000..52472c385a --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/rttarget/ztimer.c @@ -0,0 +1,136 @@ +/**************************************************************************** +* +* 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: RTTarget-32 +* +* Description: OS specific implementation for the Zen Timer functions. +* +****************************************************************************/ + +/*---------------------------- Global variables ---------------------------*/ + +static CPU_largeInteger countFreq; +static ibool havePerformanceCounter; +static ulong start,finish; + +/*----------------------------- Implementation ----------------------------*/ + +/**************************************************************************** +REMARKS: +Initialise the Zen Timer module internals. +****************************************************************************/ +void __ZTimerInit(void) +{ +#ifdef NO_ASSEMBLER + havePerformanceCounter = false; +#else + havePerformanceCounter = QueryPerformanceFrequency((LARGE_INTEGER*)&countFreq); +#endif +} + +/**************************************************************************** +REMARKS: +Start the Zen Timer counting. +****************************************************************************/ +static void __LZTimerOn( + LZTimerObject *tm) +{ + if (havePerformanceCounter) + QueryPerformanceCounter((LARGE_INTEGER*)&tm->start); + else + tm->start.low = timeGetTime(); +} + +/**************************************************************************** +REMARKS: +Compute the lap time since the timer was started. +****************************************************************************/ +static ulong __LZTimerLap( + LZTimerObject *tm) +{ + CPU_largeInteger tmLap,tmCount; + + if (havePerformanceCounter) { + QueryPerformanceCounter((LARGE_INTEGER*)&tmLap); + _CPU_diffTime64(&tm->start,&tmLap,&tmCount); + return _CPU_calcMicroSec(&tmCount,countFreq.low); + } + else { + tmLap.low = timeGetTime(); + return (tmLap.low - tm->start.low) * 1000L; + } +} + +/**************************************************************************** +REMARKS: +Stop the Zen Timer counting. +****************************************************************************/ +static void __LZTimerOff( + LZTimerObject *tm) +{ + if (havePerformanceCounter) + QueryPerformanceCounter((LARGE_INTEGER*)&tm->end); + else + tm->end.low = timeGetTime(); +} + +/**************************************************************************** +REMARKS: +Compute the elapsed time in microseconds between start and end timings. +****************************************************************************/ +static ulong __LZTimerCount( + LZTimerObject *tm) +{ + CPU_largeInteger tmCount; + + if (havePerformanceCounter) { + _CPU_diffTime64(&tm->start,&tm->end,&tmCount); + return _CPU_calcMicroSec(&tmCount,countFreq.low); + } + else + return (tm->end.low - tm->start.low) * 1000L; +} + +/**************************************************************************** +REMARKS: +Define the resolution of the long period timer as microseconds per timer tick. +****************************************************************************/ +#define ULZTIMER_RESOLUTION 1000 + +/**************************************************************************** +REMARKS: +Read the Long Period timer from the OS +****************************************************************************/ +static ulong __ULZReadTime(void) +{ return timeGetTime(); } + +/**************************************************************************** +REMARKS: +Compute the elapsed time from the BIOS timer tick. Note that we check to see +whether a midnight boundary has passed, and if so adjust the finish time to +account for this. We cannot detect if more that one midnight boundary has +passed, so if this happens we will be generating erronous results. +****************************************************************************/ +ulong __ULZElapsedTime(ulong start,ulong finish) +{ return finish - start; } |
