Difference between revisions of "Unit PlatformQEMUVPB"

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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB page table constants''' <code> QEMUVPB_PAGE_TABLE_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB page table''' <code> QEMUVPB_PAGE_TABLE_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB vector table constants''' <code> QEMUVPB_VECTOR_TABLE_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB vector table''' <code> QEMUVPB_VECTOR_TABLE_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB CPU count constants''' <code> QEMUVPB_CPU_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB CPU count''' <code> QEMUVPB_CPU_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB SWI constants''' <code> QEMUVPB_SWI_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB SWI''' <code> QEMUVPB_SWI_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''QEMUVPB kernel name constants''' <code> QEMUVPB_KERNEL_* </code></div>
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Revision as of 01:57, 3 April 2017

Return to Unit Reference


Description

Ultibo Platform interface unit for QEMU VersatilePB

To be documented

Constants


[Expand]
QEMUVPB specific constants QEMUVPB_*


[Expand]
QEMUVPB page table QEMUVPB_PAGE_TABLE_*


[Expand]
QEMUVPB vector table QEMUVPB_VECTOR_TABLE_*


[Expand]
QEMUVPB CPU count QEMUVPB_CPU_*


[Expand]
QEMUVPB SWI QEMUVPB_SWI_*


[Expand]
QEMUVPB kernel name QEMUVPB_KERNEL_*


Type definitions


PL110 CLCD registers

[Expand]

PPL110CLCDRegisters = ^TPL110CLCDRegisters;

TPL110CLCDRegisters = record

PL110 framebuffer

[Expand]

PPL110Framebuffer = ^TPL110Framebuffer;

TPL110Framebuffer = record


Public variables


QEMUVPB specific Ultibo variables

QEMUVPBInitialized:Boolean;

Clock variables

ClockGetLock:LongWord; Atomic lock variable for updating the clock rollover
ClockGetLast:LongWord; Value of 24MHz Counter on last ClockGetCount or ClockGetTotal call
ClockGetRollover:LongWord; Number of times the 24MHz counter has rolled over (Only accurate if ClockGetCount/ClockGetTotal is called at least once per 178 seconds)

Timer variables

Timer0Registers:PSP804TimerRegisters; Use Timer0 for Clock
Timer2Registers:PSP804TimerRegisters; Use Timer2 for Scheduler

Interrupt variables

PrimaryInterruptRegisters:PPL190InterruptRegisters;
SecondaryInterruptRegisters:PVersatilePBInterruptRegisters;
InterruptEntries:array[0..(VERSATILEPB_IRQ_COUNT - 1)] of TInterruptEntry;

System call variables

SystemCallEntries:array[0..QEMUVPB_SWI_COUNT - 1] of TSystemCallEntry;

IRQ/FIQ variables

IRQEnabled:array[0..1] of LongWord; 2 groups of IRQs to Enable/Disable (See: TPL190InterruptRegisters)
FIQEnabled:LongWord; The single IRQ number to Enable as FIQ instead (See: TPL190InterruptRegisters)


Function declarations


Initialization functions

[Expand] 
procedure QEMUVPBInit;
Description: To be documented


QEMUVPB platform functions

[Expand] 
procedure QEMUVPBBoardInit;
Description: To be documented


[Expand] 
procedure QEMUVPBMemoryInit;
Description: To be documented


[Expand] 
procedure QEMUVPBClockInit;
Description: To be documented


[Expand] 
procedure QEMUVPBPowerInit;
Description: To be documented


[Expand] 
procedure QEMUVPBInterruptInit;
Description: To be documented


[Expand] 
procedure QEMUVPBPeripheralInit;
Description: To be documented


[Expand] 
procedure QEMUVPBFramebufferInit;
Description: To be documented


[Expand] 
procedure QEMUVPBPageTableInit;
Description: Initialize the Hardware Page Tables before enabling the MMU


[Expand] 
function QEMUVPBRequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified IRQ number


[Expand] 
function QEMUVPBReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified IRQ number


[Expand] 
function QEMUVPBRequestExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified FIQ number


[Expand] 
function QEMUVPBReleaseExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified FIQ number


[Expand] 
function QEMUVPBRegisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request registration of the supplied extended handler to the specified System Call number


[Expand] 
function QEMUVPBDeregisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request deregistration of the supplied extended handler from the specified System Call number


[Expand] 
function QEMUVPBGetInterruptEntry(Number:LongWord):TInterruptEntry;
Description: To be documented


[Expand] 
function QEMUVPBGetSystemCallEntry(Number:LongWord):TSystemCallEntry;
Description: Get the system call entry for the specified system call number


[Expand] 
function QEMUVPBSystemRestart(Delay:LongWord):LongWord;
Description: To be documented


[Expand] 
function QEMUVPBSystemShutdown(Delay:LongWord):LongWord;
Description: To be documented


[Expand] 
function QEMUVPBClockGetCount:LongWord;
Description: Gets the current system clock count (32 least significant bits of total)


[Expand] 
function QEMUVPBClockGetTotal:Int64;
Description: Gets the total system clock count


QEMUVPB thread functions

[Expand] 
procedure QEMUVPBSchedulerInit;
Description: Initialize the scheduler interrupt on the boot CPU


QEMUVPB IRQ functions

[Expand] 
function QEMUVPBDispatchIRQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending IRQ requests


[Expand] 
function QEMUVPBHandleIRQ(Number,CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Call the handler function for an IRQ that was received, or halt if it doesn't exist


QEMUVPB FIQ functions

[Expand] 
function QEMUVPBDispatchFIQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending FIQ requests


[Expand] 
function QEMUVPBHandleFIQ(Number,CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Call the handler function for an FIQ that was received, or halt if it doesn't exist


QEMUVPB SWI functions

[Expand] 
function QEMUVPBDispatchSWI(CPUID:LongWord; Thread:TThreadHandle; Request:PSystemCallRequest):TThreadHandle;
Description: Process an SWI request


QEMUVPB clock functions

[Expand] 
procedure QEMUVPBClockInterrupt(Parameter:Pointer);
Description: Interrupt handler function for the clock interrupt


[Expand] 
procedure QEMUVPBClockUpdate(Cycles:LongWord; var Last:LongWord);
Description: Setup a clock interrupt to trigger after the specified number of clock cycles


QEMUVPB scheduler functions

[Expand] 
function QEMUVPBSchedulerInterrupt(CPUID:LongWord; Thread:TThreadHandle; Parameter:Pointer):TThreadHandle;
Description: Interrupt handler function for the scheduler interrupt


[Expand] 
procedure QEMUVPBSchedulerUpdate(Cycles:LongWord; var Last:LongWord);
Description: Setup a scheduler interrupt to trigger after the specified number of clock cycles


[Expand] 
procedure QEMUVPBSchedulerSystemCall(Request:PSystemCallRequest);
Description: System Call handler for the scheduler


QEMUVPB framebuffer functions

[Expand] 
function QEMUVPBFramebufferDeviceAllocate(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Implementation of FramebufferDeviceAllocate API for PL110 Framebuffer


[Expand] 
function QEMUVPBFramebufferDeviceRelease(Framebuffer:PFramebufferDevice):LongWord;
Description: Implementation of FramebufferDeviceRelease API for PL110 Framebuffer


[Expand] 
function QEMUVPBFramebufferDeviceBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;
Description: Implementation of FramebufferDevicBlank API for PL110 Framebuffer


[Expand] 
function QEMUVPBFramebufferDeviceCommit(Framebuffer:PFramebufferDevice; Address,Size,Flags:LongWord):LongWord;
Description: Implementation of FramebufferDeviceCommit API for PL110 Framebuffer


[Expand] 
function QEMUVPBFramebufferDeviceSetProperties(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Implementation of FramebufferDeviceSetProperties API for PL110 Framebuffer


QEMUVPB helper functions

[Expand] 
procedure QEMUVPBBootBlink; assembler; nostackframe;
Description: Output characters to UART0 without dependency on any other RTL setup


[Expand] 
procedure QEMUVPBBootOutput(Value:LongWord);
Description: Output characters to UART0 without dependency on any other RTL setup


Return to Unit Reference

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