From c7de829c796978e519984df2f1c8cfcf921a39a4 Mon Sep 17 00:00:00 2001 From: wdenk Date: Tue, 19 Nov 2002 11:04:11 +0000 Subject: * Patch by Thomas Frieden, 13 Nov 2002: Add code for AmigaOne board (preliminary merge to U-Boot, still WIP) * Patch by Jon Diekema, 12 Nov 2002: - Adding URL for IEEE OUI lookup - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED being defined. - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and root-on-nfs macros are designed to switch how the default boot method gets defined. --- .../bios_emulator/scitech/src/pm/beos/cpuinfo.c | 80 +++ .../MAI/bios_emulator/scitech/src/pm/beos/event.c | 199 ++++++++ .../MAI/bios_emulator/scitech/src/pm/beos/oshdr.h | 32 ++ board/MAI/bios_emulator/scitech/src/pm/beos/pm.c | 539 +++++++++++++++++++++ .../MAI/bios_emulator/scitech/src/pm/beos/vflat.c | 49 ++ .../MAI/bios_emulator/scitech/src/pm/beos/ztimer.c | 111 +++++ 6 files changed, 1010 insertions(+) create mode 100644 board/MAI/bios_emulator/scitech/src/pm/beos/cpuinfo.c create mode 100644 board/MAI/bios_emulator/scitech/src/pm/beos/event.c create mode 100644 board/MAI/bios_emulator/scitech/src/pm/beos/oshdr.h create mode 100644 board/MAI/bios_emulator/scitech/src/pm/beos/pm.c create mode 100644 board/MAI/bios_emulator/scitech/src/pm/beos/vflat.c create mode 100644 board/MAI/bios_emulator/scitech/src/pm/beos/ztimer.c (limited to 'board/MAI/bios_emulator/scitech/src/pm/beos') diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/cpuinfo.c b/board/MAI/bios_emulator/scitech/src/pm/beos/cpuinfo.c new file mode 100644 index 0000000000..c8f825e25b --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/cpuinfo.c @@ -0,0 +1,80 @@ +/**************************************************************************** +* +* 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. +* +****************************************************************************/ + +#include + +/*----------------------------- Implementation ----------------------------*/ + +/**************************************************************************** +REMARKS: +Increase the thread priority to maximum, if possible. +****************************************************************************/ +static int SetMaxThreadPriority(void) +{ + thread_id thid = find_thread(NULL); + thread_info tinfo; + get_thread_info(thid, &tinfo); + set_thread_priority(thid, B_REAL_TIME_PRIORITY); + return tinfo.priority; +} + +/**************************************************************************** +REMARKS: +Restore the original thread priority. +****************************************************************************/ +static void RestoreThreadPriority( + int priority) +{ + thread_id thid = find_thread(NULL); + set_thread_priority(thid, priority); +} + +/**************************************************************************** +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 = 1000000; + 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) { *((bigtime_t*) t) = system_time(); } diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/event.c b/board/MAI/bios_emulator/scitech/src/pm/beos/event.c new file mode 100644 index 0000000000..4c32ce7434 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/event.c @@ -0,0 +1,199 @@ +/**************************************************************************** +* +* 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: BeOS +* +* Description: BeOS 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 non-DOS systems */ +#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) +{ + // TODO: Implement this for your OS! +} + +/**************************************************************************** +REMARKS: +Pumps all messages in the application message queue into our event queue. +****************************************************************************/ +static void _EVT_pumpMessages(void) +{ + // TODO: The purpose of this function is to read all keyboard and mouse + // events from the OS specific event queue, translate them and post + // them into the SciTech event queue. + // + // NOTE: There are a couple of important things that this function must + // take care of: + // + // 1. Support for KEYDOWN, KEYREPEAT and KEYUP is required. + // + // 2. Support for reading hardware scan code as well as ASCII + // translated values is required. Games use the scan codes rather + // than ASCII values. Scan codes go into the high order byte of the + // keyboard message field. + // + // 3. Support for at least reading mouse motion data (mickeys) from the + // mouse is required. Using the mickey values, we can then translate + // to mouse cursor coordinates scaled to the range of the current + // graphics display mode. Mouse values are scaled based on the + // global 'rangeX' and 'rangeY'. + // + // 4. Support for a timestamp for the events is required, which is + // defined as the number of milliseconds since some event (usually + // system startup). This is the timestamp when the event occurred + // (ie: at interrupt time) not when it was stuff into the SciTech + // event queue. + // + // 5. Support for mouse double click events. If the OS has a native + // mechanism to determine this, it should be used. Otherwise the + // time stamp information will be used by the generic event code + // to generate double click events. +} + +/**************************************************************************** +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)); + + // TODO: Do any OS specific initialisation here + + /* 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: +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 non DOS systems +} + +/**************************************************************************** +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 non DOS systems +} + +/**************************************************************************** +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); + + // TODO: Do any OS specific cleanup in here +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/oshdr.h b/board/MAI/bios_emulator/scitech/src/pm/beos/oshdr.h new file mode 100644 index 0000000000..ab423d4be6 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/oshdr.h @@ -0,0 +1,32 @@ +/**************************************************************************** +* +* 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: BeOS +* +* Description: Include file to include all OS specific header files. +* +****************************************************************************/ + +// This is where you include OS specific headers for the event handling +// library. diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c b/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c new file mode 100644 index 0000000000..c57d82ab68 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c @@ -0,0 +1,539 @@ +/**************************************************************************** +* +* 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: BeOS +* +* 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 +#include +#include + +// TODO: Include any BeOS specific headers here! + +/*--------------------------- Global variables ----------------------------*/ + +static void (PMAPIP fatalErrorCleanup)(void) = NULL; + +/*----------------------------- Implementation ----------------------------*/ + +void PMAPI PM_init(void) +{ + // TODO: Do any initialisation in here. This includes getting IOPL + // access for the process calling PM_init. This will get called + // more than once. + + // TODO: If you support the supplied MTRR register stuff (you need to + // be at ring 0 for this!), you should initialise it in here. + +/* MTRR_init(); */ +} + +long PMAPI PM_getOSType(void) +{ return _OS_BEOS; } + +int PMAPI PM_getModeType(void) +{ return PM_386; } + +void PMAPI PM_backslash(char *s) +{ + uint pos = strlen(s); + if (s[pos-1] != '/') { + s[pos] = '/'; + s[pos+1] = '\0'; + } +} + +void PMAPI PM_setFatalErrorCleanup( + void (PMAPIP cleanup)(void)) +{ + fatalErrorCleanup = cleanup; +} + +void PMAPI PM_fatalError(const char *msg) +{ + // TODO: If you are running in a GUI environment without a console, + // this needs to be changed to bring up a fatal error message + // box and terminate the program. + if (fatalErrorCleanup) + fatalErrorCleanup(); + fprintf(stderr,"%s\n", msg); + exit(1); +} + +void * PMAPI PM_getVESABuf(uint *len,uint *rseg,uint *roff) +{ + // No BIOS access for the BeOS + return NULL; +} + +int PMAPI PM_kbhit(void) +{ + // TODO: This function checks if a key is available to be read. This + // should be implemented, but is mostly used by the test programs + // these days. + return true; +} + +int PMAPI PM_getch(void) +{ + // TODO: This returns the ASCII code of the key pressed. This + // should be implemented, but is mostly used by the test programs + // these days. + return 0xD; +} + +int PMAPI PM_openConsole(void) +{ + // TODO: Opens up a fullscreen console for graphics output. If your + // console does not have graphics/text modes, this can be left + // empty. The main purpose of this is to disable console switching + // when in graphics modes if you can switch away from fullscreen + // consoles (if you want to allow switching, this can be done + // elsewhere with a full save/restore state of the graphics mode). + return 0; +} + +int PMAPI PM_getConsoleStateSize(void) +{ + // TODO: Returns the size of the console state buffer used to save the + // state of the console before going into graphics mode. This is + // used to restore the console back to normal when we are done. + return 1; +} + +void PMAPI PM_saveConsoleState(void *stateBuf,int console_id) +{ + // TODO: Saves the state of the console into the state buffer. This is + // used to restore the console back to normal when we are done. + // We will always restore 80x25 text mode after being in graphics + // mode, so if restoring text mode is all you need to do this can + // be left empty. +} + +void PMAPI PM_restoreConsoleState(const void *stateBuf,int console_id) +{ + // TODO: Restore the state of the console from the state buffer. This is + // used to restore the console back to normal when we are done. + // We will always restore 80x25 text mode after being in graphics + // mode, so if restoring text mode is all you need to do this can + // be left empty. +} + +void PMAPI PM_closeConsole(int console_id) +{ + // TODO: Close the console when we are done, going back to text mode. +} + +void PM_setOSCursorLocation(int x,int y) +{ + // TODO: Set the OS console cursor location to the new value. This is + // generally used for new OS ports (used mostly for DOS). +} + +void PM_setOSScreenWidth(int width,int height) +{ + // TODO: Set the OS console screen width. This is generally unused for + // new OS ports. +} + +ibool PMAPI PM_setRealTimeClockHandler(PM_intHandler ih, int frequency) +{ + // TODO: Install a real time clock interrupt handler. Normally this + // will not be supported from most OS'es in user land, so an + // alternative mechanism is needed to enable software stereo. + // Hence leave this unimplemented unless you have a high priority + // mechanism to call the 32-bit callback when the real time clock + // interrupt fires. + return false; +} + +void PMAPI PM_setRealTimeClockFrequency(int frequency) +{ + // TODO: Set the real time clock interrupt frequency. Used for stereo + // LC shutter glasses when doing software stereo. Usually sets + // the frequency to around 2048 Hz. +} + +void PMAPI PM_restoreRealTimeClockHandler(void) +{ + // TODO: Restores the real time clock handler. +} + +char * PMAPI PM_getCurrentPath( + char *path, + int maxLen) +{ + return getcwd(path,maxLen); +} + +char PMAPI PM_getBootDrive(void) +{ return '/'; } + +const char * PMAPI PM_getVBEAFPath(void) +{ return PM_getNucleusConfigPath(); } + +const char * PMAPI PM_getNucleusPath(void) +{ + char *env = getenv("NUCLEUS_PATH"); + return env ? env : "/usr/lib/nucleus"; +} + +const char * PMAPI PM_getNucleusConfigPath(void) +{ + static char path[256]; + strcpy(path,PM_getNucleusPath()); + PM_backslash(path); + strcat(path,"config"); + return path; +} + +const char * PMAPI PM_getUniqueID(void) +{ + // TODO: Return a unique ID for the machine. If a unique ID is not + // available, return the machine name. + static char buf[128]; + gethostname(buf, 128); + return buf; +} + +const char * PMAPI PM_getMachineName(void) +{ + // TODO: Return the network machine name for the machine. + static char buf[128]; + gethostname(buf, 128); + return buf; +} + +void * PMAPI PM_getBIOSPointer(void) +{ + // No BIOS access on the BeOS + return NULL; +} + +void * PMAPI PM_getA0000Pointer(void) +{ + static void *bankPtr; + if (!bankPtr) + bankPtr = PM_mapPhysicalAddr(0xA0000,0xFFFF,true); + return bankPtr; +} + +void * PMAPI PM_mapPhysicalAddr(ulong base,ulong limit,ibool isCached) +{ + // TODO: This function maps a physical memory address to a linear + // address in the address space of the calling process. + + // NOTE: This function *must* be able to handle any phsyical base + // address, and hence you will have to handle rounding of + // the physical base address to a page boundary (ie: 4Kb on + // x86 CPU's) to be able to properly map in the memory + // region. + + // NOTE: If possible the isCached bit should be used to ensure that + // the PCD (Page Cache Disable) and PWT (Page Write Through) + // bits are set to disable caching for a memory mapping used + // for MMIO register access. We also disable caching using + // the MTRR registers for Pentium Pro and later chipsets so if + // MTRR support is enabled for your OS then you can safely ignore + // the isCached flag and always enable caching in the page + // tables. + return NULL; +} + +void PMAPI PM_freePhysicalAddr(void *ptr,ulong limit) +{ + // TODO: This function will free a physical memory mapping previously + // allocated with PM_mapPhysicalAddr() if at all possible. If + // you can't free physical memory mappings, simply do nothing. +} + +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) +{ + // TODO: Put the process to sleep for 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; +} + +void * PMAPI PM_mallocShared(long size) +{ + // TODO: This is used to allocate memory that is shared between process + // that all access the common Nucleus drivers via a common display + // driver DLL. If your OS does not support shared memory (or if + // the display driver does not need to allocate shared memory + // for each process address space), this should just call PM_malloc. + return PM_malloc(size); +} + +void PMAPI PM_freeShared(void *ptr) +{ + // TODO: Free the shared memory block. This will be called in the context + // of the original calling process that allocated the shared + // memory with PM_mallocShared. Simply call free if you do not + // need this. + PM_free(ptr); +} + +void * PMAPI PM_mapToProcess(void *base,ulong limit) +{ + // TODO: This function is used to map a physical memory mapping + // previously allocated with PM_mapPhysicalAddr into the + // address space of the calling process. If the memory mapping + // allocated by PM_mapPhysicalAddr is global to all processes, + // simply return the pointer. + return base; +} + +void * PMAPI PM_mapRealPointer(uint r_seg,uint r_off) +{ + // No BIOS access on the BeOS + return NULL; +} + +void * PMAPI PM_allocRealSeg(uint size,uint *r_seg,uint *r_off) +{ + // No BIOS access on the BeOS + return NULL; +} + +void PMAPI PM_freeRealSeg(void *mem) +{ + // No BIOS access on the BeOS +} + +void PMAPI DPMI_int86(int intno, DPMI_regs *regs) +{ + // No BIOS access on the BeOS +} + +int PMAPI PM_int86(int intno, RMREGS *in, RMREGS *out) +{ + // No BIOS access on the BeOS + return 0; +} + +int PMAPI PM_int86x(int intno, RMREGS *in, RMREGS *out, + RMSREGS *sregs) +{ + // No BIOS access on the BeOS + return 0; +} + +void PMAPI PM_callRealMode(uint seg,uint off, RMREGS *in, + RMSREGS *sregs) +{ + // No BIOS access on the BeOS +} + +void PMAPI PM_availableMemory(ulong *physical,ulong *total) +{ + // TODO: Report the amount of available memory, both the amount of + // physical memory left and the amount of virtual memory left. + // If the OS does not provide these services, report 0's. + *physical = *total = 0; +} + +void * PMAPI PM_allocLockedMem(uint size,ulong *physAddr,ibool contiguous,ibool below16Meg) +{ + // TODO: Allocate a block of locked, physical memory of the specified + // size. This is used for bus master operations. If this is not + // supported by the OS, return NULL and bus mastering will not + // be used. + return NULL; +} + +void PMAPI PM_freeLockedMem(void *p,uint size,ibool contiguous) +{ + // TODO: Free a memory block allocated with PM_allocLockedMem. +} + +void PMAPI PM_setBankA(int bank) +{ + // No BIOS access on the BeOS +} + +void PMAPI PM_setBankAB(int bank) +{ + // No BIOS access on the BeOS +} + +void PMAPI PM_setCRTStart(int x,int y,int waitVRT) +{ + // No BIOS access on the BeOS +} + +ibool PMAPI PM_enableWriteCombine(ulong base,ulong length,uint type) +{ + // TODO: This function should enable Pentium Pro and Pentium II MTRR + // write combining for the passed in physical memory base address + // and length. Normally this is done via calls to an OS specific + // device driver as this can only be done at ring 0. + // + // NOTE: This is a *very* important function to implement! If you do + // not implement, graphics performance on the latest Intel chips + // will be severly impaired. For sample code that can be used + // directly in a ring 0 device driver, see the MSDOS implementation + // which includes assembler code to do this directly (if the + // program is running at ring 0). + return false; +} + +ibool PMAPI PM_doBIOSPOST(ushort axVal,ulong BIOSPhysAddr,void *mappedBIOS) +{ + // TODO: This function is used to run the BIOS POST code on a secondary + // controller to initialise it for use. This is not necessary + // for multi-controller operation, but it will make it a lot + // more convenicent for end users (otherwise they have to boot + // the system once with the secondary controller as primary, and + // then boot with both controllers installed). + // + // Even if you don't support full BIOS access, it would be + // adviseable to be able to POST the secondary controllers in the + // system using this function as a minimum requirement. Some + // graphics hardware has registers that contain values that only + // the BIOS knows about, which makes bring up a card from cold + // reset difficult if the BIOS has not POST'ed it. + return false; +} + +/**************************************************************************** +REMARKS: +Function to find the first file matching a search criteria in a directory. +****************************************************************************/ +ulong PMAPI PM_findFirstFile( + const char *filename, + PM_findData *findData) +{ + (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) +{ + (void)handle; + (void)findData; + return false; +} + +/**************************************************************************** +REMARKS: +Function to close the find process +****************************************************************************/ +void PMAPI PM_findClose( + ulong handle) +{ + (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; +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/vflat.c b/board/MAI/bios_emulator/scitech/src/pm/beos/vflat.c new file mode 100644 index 0000000000..579ef2c95c --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/vflat.c @@ -0,0 +1,49 @@ +/**************************************************************************** +* +* 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: Any +* +* Description: Dummy module; no virtual framebuffer for this OS +* +****************************************************************************/ + +#include "pmapi.h" + +ibool PMAPI VF_available(void) +{ + return false; +} + +void * PMAPI VF_init(ulong baseAddr,int bankSize,int codeLen,void *bankFunc) +{ + baseAddr = baseAddr; + bankSize = bankSize; + codeLen = codeLen; + bankFunc = bankFunc; + return NULL; +} + +void PMAPI VF_exit(void) +{ +} diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/ztimer.c b/board/MAI/bios_emulator/scitech/src/pm/beos/ztimer.c new file mode 100644 index 0000000000..a5637a5ecf --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/ztimer.c @@ -0,0 +1,111 @@ +/**************************************************************************** +* +* 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: OS specific implementation for the Zen Timer functions. +* +****************************************************************************/ + +/*----------------------------- Implementation ----------------------------*/ + +/**************************************************************************** +REMARKS: +Initialise the Zen Timer module internals. +****************************************************************************/ +void _ZTimerInit(void) +{ + // TODO: Do any specific internal initialisation in here +} + +/**************************************************************************** +REMARKS: +Start the Zen Timer counting. +****************************************************************************/ +static void _LZTimerOn( + LZTimerObject *tm) +{ + // TODO: Start the Zen Timer counting. This should be a macro if + // possible. +} + +/**************************************************************************** +REMARKS: +Compute the lap time since the timer was started. +****************************************************************************/ +static ulong _LZTimerLap( + LZTimerObject *tm) +{ + // TODO: Compute the lap time between the current time and when the + // timer was started. + return 0; +} + +/**************************************************************************** +REMARKS: +Stop the Zen Timer counting. +****************************************************************************/ +static void _LZTimerOff( + LZTimerObject *tm) +{ + // TODO: Stop the timer counting. Should be a macro if possible. +} + +/**************************************************************************** +REMARKS: +Compute the elapsed time in microseconds between start and end timings. +****************************************************************************/ +static ulong _LZTimerCount( + LZTimerObject *tm) +{ + // TODO: Compute the elapsed time and return it. Always microseconds. + return 0; +} + +/**************************************************************************** +REMARKS: +Define the resolution of the long period timer as microseconds per timer tick. +****************************************************************************/ +#define ULZTIMER_RESOLUTION 1 + +/**************************************************************************** +REMARKS: +Read the Long Period timer from the OS +****************************************************************************/ +static ulong _ULZReadTime(void) +{ + // TODO: Read the long period timer from the OS. The resolution of this + // timer should be around 1/20 of a second for timing long + // periods if possible. +} + +/**************************************************************************** +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; } -- cgit v1.2.1