Difference between revisions of "Unit PlatformQEMUVPB"
From Ultibo.org
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| Called by ARMv7/8SoftwareInterruptHandler in PlatformARMv7/8 | | Called by ARMv7/8SoftwareInterruptHandler in PlatformARMv7/8 | ||
A DataMemoryBarrier is executed before and after calling this function | A DataMemoryBarrier is executed before and after calling this function | ||
| + | |- | ||
| + | |} | ||
| + | </div></div> | ||
| + | <br /> | ||
| + | |||
| + | '''QEMUVPB clock functions''' | ||
| + | |||
| + | <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;"> | ||
| + | <pre style="border: 0; padding-bottom:0px;">procedure QEMUVPBClockInterrupt(Parameter:Pointer);</pre> | ||
| + | <div style="font-size: 14px; padding-left: 12px;">'''Description:''' Interrupt handler function for the clock interrupt</div> | ||
| + | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | ||
| + | {| class="wikitable" style="font-size: 14px; background: white;" | ||
| + | |- | ||
| + | ! '''Note''' | ||
| + | | This schedules another clock interrupt to occur CLOCK_CYCLES_PER_TICK in the future, then updates ClockTicks and ClockSeconds and checks for timers to trigger. | ||
| + | |- | ||
| + | |} | ||
| + | </div></div> | ||
| + | <br /> | ||
| + | <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;"> | ||
| + | <pre style="border: 0; padding-bottom:0px;">procedure QEMUVPBClockUpdate(Cycles:LongWord; var Last:LongWord);</pre> | ||
| + | <div style="font-size: 14px; padding-left: 12px;">'''Description:''' ?etup a clock interrupt to trigger after the specified number of clock cycles</div> | ||
| + | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | ||
| + | {| class="wikitable" style="font-size: 14px; background: white;" | ||
| + | |- | ||
| + | ! '''Cycles''' | ||
| + | | Number of cycles after which the timer interrupt is to be triggered | ||
| + | |- | ||
| + | ! '''Note''' | ||
| + | | This refers to native clock cycles as specified by CLOCK_FREQUENCY | ||
|- | |- | ||
|} | |} | ||
Revision as of 03:07, 23 November 2016
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Contents
[hide]Description
To be documented
Constants
To be documented
Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
QEMUVPB platform functions
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procedure QEMUVPBPageTableInit;
Description: Initialize the Hardware Page Tables before enabling the MMU
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function QEMUVPBRequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified IRQ number
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function QEMUVPBReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified IRQ number
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function QEMUVPBRequestExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified FIQ number
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function QEMUVPBReleaseExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified FIQ number
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function QEMUVPBRegisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request registration of the supplied extended handler to the specified System Call number
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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
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function QEMUVPBGetSystemCallEntry(Number:LongWord):TSystemCallEntry;
Description: Get the system call entry for the specified system call number
[Expand]
function QEMUVPBClockGetCount:LongWord;
Description: Gets the current system clock count (32 least significant bits of total)
QEMUVPB thread functions
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procedure QEMUVPBSchedulerInit;
Description: Initialize the scheduler interrupt on the boot CPU
QEMUVPB IRQ functions
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function QEMUVPBDispatchIRQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending IRQ requests
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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
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function QEMUVPBDispatchFIQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending FIQ requests
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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
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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: ?etup a clock interrupt to trigger after the specified number of clock cycles
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