Difference between revisions of "Unit PlatformAARCH64"
From Ultibo.org
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=== Description === | === Description === | ||
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| + | '''Ultibo Platform interface unit for AARCH64 (ARM64)''' | ||
''To be documented'' | ''To be documented'' | ||
Revision as of 05:23, 20 December 2016
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Description
Ultibo Platform interface unit for AARCH64 (ARM64)
To be documented
Constants
ARM boot tag constants
ATAG_* ATAG_NONE = $00000000;
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ATAG_CORE = $54410001;
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ATAG_MEM = $54410002;
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ATAG_VIDEOTEXT = $54410003;
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ATAG_RAMDISK = $54410004;
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ATAG_INITRD2 = $54410005;
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ATAG_SERIAL = $54410006;
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ATAG_REVISION = $54410007;
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ATAG_VIDEOLFB = $54410008;
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ATAG_CMDLINE = $54410009;
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ARMTAGS_INITIAL = $FFFFFFFF;
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ARM machine type constants
ARM_MACHINE_* ARM_MACHINE_VERSATILE_PB = $00000183;
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ARM_MACHINE_BCM2708 = $00000C42;
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ARM_MACHINE_BCM2709 = $00000C42;
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BCM2709 uses the same Machine Type as BCM2708 |
ARM_MACHINE_BCM2710 = $00000C42;
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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 |
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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 |
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procedure AARCH64ParseCommandLine;
Description: Setup argc, argv and cmdline and process known command line options
| Note | None documented |
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procedure AARCH64ParseEnvironment;
Description: Setup envp and process known environment options
| Note | None documented |
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function AARCH64GetSP:PtrUInt; assembler; nostackframe;
Description: Get the current stack pointer (SP)
| Note | None documented |
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function AARCH64GetPC:PtrUInt; assembler; nostackframe;
Description: Get the current program counter (PC)
| Note | None documented |
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function AARCH64GetIRQ:Boolean; assembler; nostackframe;
Description: Get Interrupts (IRQ) state
| Return | True is enabled, False if disabled (Returned in R0) |
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procedure AARCH64EnableIRQ; assembler; nostackframe;
Description: Enable Interrupts (IRQ) unconditionally
| Note | None documented |
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procedure AARCH64DisableIRQ; assembler; nostackframe;
Description: Disable Interrupts (IRQ) unconditionally
| Note | None documented |
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function AARCH64SaveIRQ:TIRQMask; assembler; nostackframe;
Description: Disable Interrupts (IRQ) and return the previous state
| Return | IRQ state when called (Returned in R0) |
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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) |
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procedure AARCH64EnableFIQ; assembler; nostackframe;
Description: Enable Fast Interrupts (FIQ) unconditionally
| Note | None documented |
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procedure AARCH64DisableFIQ; assembler; nostackframe;
Description: Disable Fast Interrupts (FIQ) unconditionally
| Note | None documented |
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function AARCH64SaveFIQ:TFIQMask; assembler; nostackframe;
Description: Disable Fast Interrupts (FIQ) and return the previous state
| Return | FIQ state when called (Returned in R0) |
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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 |
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procedure AARCH64DisableIRQFIQ; assembler; nostackframe;
Description: Disable Interrupts and Fast Interrupts (IRQ/FIQ) unconditionally
| Note | None documented |
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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) |
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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) |
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procedure AARCH64EnableAbort; assembler; nostackframe;
Description: Enable Aborts unconditionally
| Note | None documented |
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procedure AARCH64DisableAbort; assembler; nostackframe;
Description: Disable Aborts unconditionally
| Note | None documented |
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function AARCH64SaveAbort:TAbortMask; assembler; nostackframe;
Description: Disable Aborts and return the previous state
| Return | Abort state when called (Returned in R0) |
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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 |
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procedure AARCH64LongWait; inline;
Description: To be documented
| Note | None documented |
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procedure AARCH64ShortWait; inline;
Description: To be documented
| Note | None documented |
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procedure AARCH64SlowBlink; inline;
Description: To be documented
| Note | None documented |
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procedure AARCH64FastBlink; inline;
Description: To be documented
| Note | None documented |
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function AARCH64ModeToString(AARCH64Mode:LongWord):String;
Description: To be documented
| Note | None documented |
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