#include <stdlib.h>
#include <string.h>
-// TODO: Include any BeOS specific headers here!
+/* TODO: Include any BeOS specific headers here! */
/*--------------------------- Global variables ----------------------------*/
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(); */
}
{
uint pos = strlen(s);
if (s[pos-1] != '/') {
- s[pos] = '/';
- s[pos+1] = '\0';
- }
+ s[pos] = '/';
+ s[pos+1] = '\0';
+ }
}
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(
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;
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;
void * PMAPI PM_getBIOSPointer(void)
{
- // No BIOS access on the BeOS
+ /* No BIOS access on the BeOS */
return NULL;
}
{
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;
}
char drive)
{
if (drive == 3)
- return true;
+ return true;
return false;
}
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;
}
projects / karo-tx-uboot.git / blobdiff