Difference between revisions of "Unit Platform"

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'''Interrupt request (IRQ) functions'''
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<pre style="border: 0; padding-bottom:0px;">function RequestIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; Parameter:Pointer):LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Request registration of the supplied handler to the specified IRQ number</div>
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<pre style="border: 0; padding-bottom:0px;">function ReleaseIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; Parameter:Pointer):LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Request deregistration of the supplied handler from the specified IRQ number</div>
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<pre style="border: 0; padding-bottom:0px;">function RequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Request registration of the supplied extended handler to the specified IRQ number</div>
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<pre style="border: 0; padding-bottom:0px;">function ReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Request deregistration of the supplied extended handler from the specified IRQ number</div>
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Revision as of 05:21, 22 August 2016

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Description

To be documented

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions 

procedure PlatformInit;
Description: Initialize platform specific information for the current hardware
Note To be documented 


procedure CPUInit;
Description: Initialize the CPU including performance features etc (Where Applicable)
Note To be documented 


procedure FPUInit;
Description: Initialize the Floating Point Processor Unit (Where Applicable)
Note To be documented 


procedure GPUInit;
Description: Initialize the Graphics Processor Unit (Where Applicable)
Note To be documented 


procedure MMUInit;
Description: Initialize the Memory Management Unit (Where Applicable)
Note To be documented 


procedure SMPInit;
Description: Initialize the Symetric Multi Processor support (Where Applicable)
Note Secondary CPU boot is performed by SecondaryInit in Threads 


procedure CacheInit;
Description: Initialize CPU Data and Instruction Caching (Where Applicable)
Note To be documented 


procedure BoardInit;
Description: Initialize Board specific information (Where Applicable)
Note To be documented 


procedure MemoryInit;
Description: Initialize Memory specific information (Where Applicable)
Note To be documented 


procedure ClockInit;
Description: Initialize the Clock handling
Note To be documented 


procedure PowerInit;
Description: Initialize Power management (Where Applicable)
Note To be documented 


procedure MailboxInit;
Description: Initialize Mailbox access (Where Applicable)
Note To be documented 


procedure InterruptInit;
Description: Initialize Interrupt handling
Note To be documented 


procedure PeripheralInit;
Description: Initialize Peripheral devices (Where Applicable)
Note To be documented 


procedure ParseBootTags;
Description: Parse any boot tag information passed by the bootloader (Where Applicable)
Note To be documented 


procedure ParseCommandLine;
Description: Setup argc, argv and cmdline and process known command line options (Where Applicable)
Note To be documented 


procedure ParseEnvironment;
Description: Setup envp and process known environment options (Where Applicable)
Note To be documented


Boot functions 

procedure BootBlink; inline;
Description: Blink the Activity LED (Where Applicable)
Note Intended for startup diagnostics when bootstrapping a new board


LED functions 

procedure PowerLEDEnable; inline;
Description: Enable the Power LED (Where Applicable)
Note To be documented 


procedure PowerLEDOn; inline;
Description: Turn On the Power LED (Where Applicable)
Note To be documented 


procedure PowerLEDOff; inline;
Description: Turn Off the Power LED (Where Applicable)
Note To be documented 


procedure ActivityLEDEnable; inline;
Description: Enable the Activity LED (Where Applicable)
Note To be documented 


procedure ActivityLEDOn; inline;
Description: Turn On the Activity LED (Where Applicable)
Note To be documented 


procedure ActivityLEDOff; inline;
Description: Turn Off the Activity LED (Where Applicable)
Note To be documented


Counter functions (Timer device) 

function CounterAvailable:Boolean; inline;
Description: Check if a counter is currently available
Note To be documented 


function CounterRead:LongWord; inline;
Description: Read the current value of the default counter
Return The 32 bit current value of the current or 0 on failure 


function CounterRead64:Int64; inline;
Description: Read the current value of the default counter
Return The 64 bit current value of the current or 0 on failure 


function CounterWait:LongWord; inline;
Description: Wait for the current interval to expire on the default counter
Return ERROR_SUCCESS if the interval expired or another error code on failure 


function CounterEvent(Callback:TCounterCallback; Data:Pointer):LongWord; inline;
Description: Schedule a function to be called when the current interval expires on the default counter
Callback The function to be called when the interval expires
Data A pointer to be pass to the function when the interval expires (Optional)
Return ERROR_SUCCESS if the callback was scheduled successfully or another error code on failure 


function CounterGetRate:LongWord; inline;
Description: Get the current clock rate in Hz of the default counter
Return The current clock rate in Hz or 0 on failure 


function CounterSetRate(Rate:LongWord):LongWord; inline;
Description: Set the current clock rate in Hz of the default counter
Rate The clock rate in Hz to set
Return ERROR_SUCCESS if the clock rate was set or another error code on failure 


function CounterGetInterval:LongWord; inline;
Description: Get the current interval in milliseconds of the default counter
Return The current interval in milliseconds or 0 on failure (or not set) 


function CounterSetInterval(Interval:LongWord):LongWord; inline;
Description: Set the current interval in milliseconds of the default counter
Interval The interval in milliseconds to set
Return ERROR_SUCCESS if the interval was set or another error code on failure


Mailbox functions 

function MailboxReceive(Mailbox,Channel:LongWord):LongWord; inline;
Description: Receive from specifed mailbox on specified channel
Note To be documented 


procedure MailboxSend(Mailbox,Channel,Data:LongWord); inline;
Description: Send to specifed mailbox on specified channel
Note To be documented 


function MailboxCall(Mailbox,Channel,Data:LongWord; var Response:LongWord):LongWord; inline;
Description: Perform a transaction (Send/Receive) to specifed mailbox on specified channel
Note To be documented 


function MailboxCallEx(Mailbox,Channel,Data:LongWord; var Response:LongWord; Timeout:LongWord):LongWord; inline;
Description: Perform a transaction (Send/Receive) to specifed mailbox on specified channel
Note To be documented 


function MailboxPropertyCall(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord):LongWord; inline;
Description: Perform a property tag transaction (Send/Receive) to specifed mailbox on specified channel
Note To be documented 


function MailboxPropertyCallEx(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord; Timeout:LongWord):LongWord; inline;
Description: Perform a property tag transaction (Send/Receive) to specifed mailbox on specified channel
Note To be documented


Random number functions 

function RandomAvailable:Boolean; inline;
Description: Check if a hardware random number generator is currently available
Note The software random number generator from the RTL is always available 


procedure RandomSeed(Seed:LongWord); inline;
Description: To be documented
Note To be documented 


function RandomReadLongInt(Limit:LongInt):LongInt; inline;
Description: To be documented
Note To be documented 


function RandomReadInt64(Limit:Int64):Int64; inline;
Description: To be documented
Note To be documented 


function RandomReadExtended:Extended; inline;
Description: To be documented
Note To be documented


Watchdog Timer Functions 

function WatchdogAvailable:Boolean; inline;
Description: Check if a watchdog timer is currently available
Note To be documented 


function WatchdogStart(Milliseconds:LongWord):LongWord; inline;
Description: To be documented
Note To be documented 


function WatchdogStop:LongWord; inline;
Description: To be documented
Note To be documented 


function WatchdogRefresh(Milliseconds:LongWord):LongWord; inline;
Description: To be documented
Note To be documented


Interrupt request (IRQ) functions 

function RequestIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; Parameter:Pointer):LongWord; inline;
Description: Request registration of the supplied handler to the specified IRQ number
Note If the IRQ number is already registered then the request will fail 


function ReleaseIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; Parameter:Pointer):LongWord; inline;
Description: Request deregistration of the supplied handler from the specified IRQ number
Note If the IRQ number is not currently registered then the request will fail 


function RequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord; inline;
Description: Request registration of the supplied extended handler to the specified IRQ number
Note If the IRQ number is already registered then the request will fail 


function ReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord; inline;
Description: Request deregistration of the supplied extended handler from the specified IRQ number
Note If the IRQ number is not currently registered then the request will fail



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