Difference between revisions of "Unit PlatformAARCH64"

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''To be documented''
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<div style="font-size: 14px; padding-left: 12px;">'''ARM boot tag constants ''' <code> ATAG_* </code></div>
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>ATAG_NONE = $00000000;</code>
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| style="width: 50%;"|&nbsp;
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|-
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| <code>ATAG_CORE = $54410001;</code>
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| &nbsp;
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|-
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| <code>ATAG_MEM = $54410002;</code>
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| &nbsp;
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|-
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| <code>ATAG_VIDEOTEXT = $54410003;</code>
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| &nbsp;
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|-
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| <code>ATAG_RAMDISK = $54410004;</code>
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| &nbsp;
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|-
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| <code>ATAG_INITRD2 = $54410005;</code>
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| &nbsp;
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|-
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| <code>ATAG_SERIAL = $54410006;</code>
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| &nbsp;
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|-
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| <code>ATAG_REVISION = $54410007;</code>
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| &nbsp;
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|-
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| <code>ATAG_VIDEOLFB = $54410008;</code>
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| &nbsp;
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|-
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| <code>ATAG_CMDLINE = $54410009;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>ARMTAGS_INITIAL = $FFFFFFFF;</code>
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| &nbsp;
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|}
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''ARM machine type constants''' <code> ARM_MACHINE_* </code></div>
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>ARM_MACHINE_VERSATILE_PB = $00000183;</code>
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| &nbsp;
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|-
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| <code>ARM_MACHINE_BCM2708 = $00000C42;</code>
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| &nbsp;
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|-
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| <code>ARM_MACHINE_BCM2709 = $00000C42;</code>
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| BCM2709 uses the same Machine Type as BCM2708
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|-
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| <code>ARM_MACHINE_BCM2710 = $00000C42;</code>
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| BCM2710 uses the same Machine Type as BCM2708
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|-
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|}
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</div></div>
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<br />
  
 
=== Type definitions ===
 
=== Type definitions ===

Revision as of 02:57, 14 December 2016

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Description

To be documented

Constants


ARM boot tag constants ATAG_*
ATAG_NONE = $00000000;  
ATAG_CORE = $54410001;  
ATAG_MEM = $54410002;  
ATAG_VIDEOTEXT = $54410003;  
ATAG_RAMDISK = $54410004;  
ATAG_INITRD2 = $54410005;  
ATAG_SERIAL = $54410006;  
ATAG_REVISION = $54410007;  
ATAG_VIDEOLFB = $54410008;  
ATAG_CMDLINE = $54410009;  
 
ARMTAGS_INITIAL = $FFFFFFFF;  


ARM machine type constants ARM_MACHINE_*
ARM_MACHINE_VERSATILE_PB = $00000183;  
ARM_MACHINE_BCM2708 = $00000C42;  
ARM_MACHINE_BCM2709 = $00000C42; BCM2709 uses the same Machine Type as BCM2708
ARM_MACHINE_BCM2710 = $00000C42; BCM2710 uses the same Machine Type as BCM2708


Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions 

procedure AARCH64Init;
Description: To be documented
Note None documented


AARCH64 platform functions 

procedure AARCH64ParseBootTags;
Description: Extract some information from the ARM boot tag list and use it to load the memory manager, some other information is stored in variables for future use
Note None documented 


procedure AARCH64ParseCommandLine;
Description: Setup argc, argv and cmdline and process known command line options
Note None documented 


procedure AARCH64ParseEnvironment;
Description: Setup envp and process known environment options
Note None documented 


function AARCH64GetSP:PtrUInt; assembler; nostackframe;
Description: Get the current stack pointer (SP)
Note None documented 


function AARCH64GetPC:PtrUInt; assembler; nostackframe;
Description: Get the current program counter (PC)
Note None documented 


function AARCH64GetIRQ:Boolean; assembler; nostackframe;
Description: Get Interrupts (IRQ) state
Return True is enabled, False if disabled (Returned in R0) 


procedure AARCH64EnableIRQ; assembler; nostackframe;
Description: Enable Interrupts (IRQ) unconditionally
Note None documented 


procedure AARCH64DisableIRQ; assembler; nostackframe;
Description: Disable Interrupts (IRQ) unconditionally
Note None documented 


function AARCH64SaveIRQ:TIRQMask; assembler; nostackframe;
Description: Disable Interrupts (IRQ) and return the previous state
Return IRQ state when called (Returned in R0) 


function AARCH64RestoreIRQ(IRQMask:TIRQMask):TIRQMask; assembler; nostackframe;
Description: Restore Interrupts (IRQ) to a previous state
IRQMask IRQ state to restore (Passed in R0)
Return IRQ state when called (Returned in R0) 


function AARCH64GetFIQ:Boolean; assembler; nostackframe;
Description: Get Fast Interrupts (FIQ) state
Return True is enabled, False if disabled (Returned in R0) 


procedure AARCH64EnableFIQ; assembler; nostackframe;
Description: Enable Fast Interrupts (FIQ) unconditionally
Note None documented 


procedure AARCH64DisableFIQ; assembler; nostackframe;
Description: Disable Fast Interrupts (FIQ) unconditionally
Note None documented 


function AARCH64SaveFIQ:TFIQMask; assembler; nostackframe;
Description: Disable Fast Interrupts (FIQ) and return the previous state
Return FIQ state when called (Returned in R0) 


function AARCH64RestoreFIQ(FIQMask:TFIQMask):TFIQMask; assembler; nostackframe;
Description: Restore Fast Interrupts (FIQ) to a previous state
FIQMask FIQ state to restore (Passed in R0)
Return FIQ state when called (Returned in R0) 


procedure AARCH64EnableIRQFIQ; assembler; nostackframe;
Description: Enable Interrupts and Fast Interrupts (IRQ/FIQ) unconditionally
Note None documented 


procedure AARCH64DisableIRQFIQ; assembler; nostackframe;
Description: Disable Interrupts and Fast Interrupts (IRQ/FIQ) unconditionally
Note None documented 


function AARCH64SaveIRQFIQ:TIRQFIQMask; assembler; nostackframe;
Description: Disable Interrupts and Fast Interrupts (IRQ/FIQ) and return the previous state
Return IRQ/FIQ state when called (Returned in R0) 


function AARCH64RestoreIRQFIQ(IRQFIQMask:TIRQFIQMask):TIRQFIQMask; assembler; nostackframe;
Description: Restore Interrupts and Fast Interrupts (IRQ/FIQ) to a previous state
IRQFIQMask IRQ/FIQ state to restore (Passed in R0)
Return IRQ/FIQ state when called (Returned in R0) 


function AARCH64GetAbort:Boolean; assembler; nostackframe;
Description: Get Abort state
Return True is enabled, False if disabled (Returned in R0) 


procedure AARCH64EnableAbort; assembler; nostackframe;
Description: Enable Aborts unconditionally
Note None documented 


procedure AARCH64DisableAbort; assembler; nostackframe;
Description: Disable Aborts unconditionally
Note None documented 


function AARCH64SaveAbort:TAbortMask; assembler; nostackframe;
Description: Disable Aborts and return the previous state
Return Abort state when called (Returned in R0) 


function AARCH64RestoreAbort(AbortMask:TAbortMask):TAbortMask; assembler; nostackframe;
Description: Restore Aborts to a previous state
AbortMask Abort state to restore (Passed in R0)
Return bort state when called (Returned in R0)


AARCH64 helper functions 

procedure AARCH64Wait; inline;
Description: To be documented
Note None documented 


procedure AARCH64LongWait; inline;
Description: To be documented
Note None documented 


procedure AARCH64ShortWait; inline;
Description: To be documented
Note None documented 


procedure AARCH64SlowBlink; inline;
Description: To be documented
Note None documented 


procedure AARCH64FastBlink; inline;
Description: To be documented
Note None documented 


function AARCH64ModeToString(AARCH64Mode:LongWord):String;
Description: To be documented
Note None documented


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