diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/beos/pm.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/beos/pm.c | 302 |
1 files changed, 151 insertions, 151 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c b/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c index c57d82a..2dcb1b8 100644 --- a/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c +++ b/board/MAI/bios_emulator/scitech/src/pm/beos/pm.c @@ -38,7 +38,7 @@ #include <stdlib.h> #include <string.h> -// TODO: Include any BeOS specific headers here! +/* TODO: Include any BeOS specific headers here! */ /*--------------------------- Global variables ----------------------------*/ @@ -48,12 +48,12 @@ static void (PMAPIP fatalErrorCleanup)(void) = NULL; 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: 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. + /* 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(); */ } @@ -68,9 +68,9 @@ void PMAPI PM_backslash(char *s) { uint pos = strlen(s); if (s[pos-1] != '/') { - s[pos] = '/'; - s[pos+1] = '\0'; - } + s[pos] = '/'; + s[pos+1] = '\0'; + } } void PMAPI PM_setFatalErrorCleanup( @@ -81,112 +81,112 @@ void PMAPI PM_setFatalErrorCleanup( 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. + /* 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(); + fatalErrorCleanup(); fprintf(stderr,"%s\n", msg); exit(1); } void * PMAPI PM_getVESABuf(uint *len,uint *rseg,uint *roff) { - // No BIOS access for the BeOS + /* 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. + /* 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. + /* 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). + /* 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. + /* 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. + /* 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. + /* 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. + /* 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). + /* 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. + /* 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. + /* 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. + /* 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. + /* TODO: Restores the real time clock handler. */ } char * PMAPI PM_getCurrentPath( @@ -219,8 +219,8 @@ const char * PMAPI PM_getNucleusConfigPath(void) 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. + /* 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; @@ -228,7 +228,7 @@ const char * PMAPI PM_getUniqueID(void) const char * PMAPI PM_getMachineName(void) { - // TODO: Return the network machine name for the machine. + /* TODO: Return the network machine name for the machine. */ static char buf[128]; gethostname(buf, 128); return buf; @@ -236,7 +236,7 @@ const char * PMAPI PM_getMachineName(void) void * PMAPI PM_getBIOSPointer(void) { - // No BIOS access on the BeOS + /* No BIOS access on the BeOS */ return NULL; } @@ -244,212 +244,212 @@ void * PMAPI PM_getA0000Pointer(void) { static void *bankPtr; if (!bankPtr) - bankPtr = PM_mapPhysicalAddr(0xA0000,0xFFFF,true); + 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. + /* 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. + /* 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. + /* 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 + /* 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. + /* 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; - } + 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. + /* 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; - } + 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. + /* 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. + /* 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. + /* 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 + /* 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 + /* No BIOS access on the BeOS */ return NULL; } void PMAPI PM_freeRealSeg(void *mem) { - // No BIOS access on the BeOS + /* No BIOS access on the BeOS */ } void PMAPI DPMI_int86(int intno, DPMI_regs *regs) { - // No BIOS access on the BeOS + /* No BIOS access on the BeOS */ } int PMAPI PM_int86(int intno, RMREGS *in, RMREGS *out) { - // No BIOS access on the BeOS + /* 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 + /* 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 + /* 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. + /* 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. + /* 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. + /* TODO: Free a memory block allocated with PM_allocLockedMem. */ } void PMAPI PM_setBankA(int bank) { - // No BIOS access on the BeOS + /* No BIOS access on the BeOS */ } void PMAPI PM_setBankAB(int bank) { - // No BIOS access on the BeOS + /* No BIOS access on the BeOS */ } void PMAPI PM_setCRTStart(int x,int y,int waitVRT) { - // No BIOS access on the BeOS + /* 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). + /* 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. + /* 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; } @@ -506,7 +506,7 @@ ibool PMAPI PM_driveValid( char drive) { if (drive == 3) - return true; + return true; return false; } @@ -533,7 +533,7 @@ void PMAPI PM_setFileAttr( const char *filename, uint attrib) { - // TODO: Set the file attributes for a file + /* TODO: Set the file attributes for a file */ (void)filename; (void)attrib; } |