Unit PlatformARM
From Ultibo.org
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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 ARMInit;
Description: To be documented
| Note | None documented |
|---|
ARM platform functions
procedure ARMParseBootTags;
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 ARMParseCommandLine;
Description: Setup argc, argv and cmdline and process known command line options
| Note | None documented |
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procedure ARMParseEnvironment;
Description: Setup envp and process known environment options
| Note | None documented |
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function ARMGetSP:PtrUInt; assembler; nostackframe;
Description: Get the current stack pointer (SP)
| Note | None documented |
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function ARMGetPC:PtrUInt; assembler; nostackframe;
Description: Get the current program counter (PC)
| Note | None documented |
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function ARMGetIRQ:Boolean; assembler; nostackframe;
Description: Get Interrupts (IRQ) state
| Return | True is enabled, False if disabled (Returned in R0) |
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procedure ARMEnableIRQ; assembler; nostackframe;
Description: Enable Interrupts (IRQ) unconditionally
| Note | None documented |
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procedure ARMDisableIRQ; assembler; nostackframe;
Description: Disable Interrupts (IRQ) unconditionally
| Note | None documented |
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function ARMSaveIRQ:TIRQMask; assembler; nostackframe;
Description: Disable Interrupts (IRQ) and return the previous state
| Return | IRQ state when called (Returned in R0) |
|---|
function ARMRestoreIRQ(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 ARMGetFIQ:Boolean; assembler; nostackframe;
Description: Get Fast Interrupts (FIQ) state
| Return | True is enabled, False if disabled (Returned in R0) |
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procedure ARMEnableFIQ; assembler; nostackframe;
Description: Enable Fast Interrupts (FIQ) unconditionally
| Note | None documented |
|---|
procedure ARMDisableFIQ; assembler; nostackframe;
Description: Disable Fast Interrupts (FIQ) unconditionally
| Note | None documented |
|---|
function ARMSaveFIQ:TFIQMask; assembler; nostackframe;
Description: Disable Fast Interrupts (FIQ) and return the previous state
| Return | FIQ state when called (Returned in R0) |
|---|
function ARMRestoreFIQ(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 ARMEnableIRQFIQ; assembler; nostackframe;
Description: Enable Interrupts and Fast Interrupts (IRQ/FIQ) unconditionally
| Note | None documented |
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procedure ARMDisableIRQFIQ; assembler; nostackframe;
Description: Disable Interrupts and Fast Interrupts (IRQ/FIQ) unconditionally
| Note | None documented |
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function ARMSaveIRQFIQ: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 ARMRestoreIRQFIQ(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 ARMGetAbort:Boolean; assembler; nostackframe;
Description: Get Abort state
| Return | True is enabled, False if disabled (Returned in R0) |
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procedure ARMEnableAbort; assembler; nostackframe;
Description: To be documented
| Note | Enable Aborts unconditionally |
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procedure ARMDisableAbort; assembler; nostackframe;
Description: Disable Aborts unconditionally
| Note | None documented |
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function ARMSaveAbort:TAbortMask; assembler; nostackframe;
Description: Disable Aborts and return the previous state
| Return | Abort state when called (Returned in R0) |
|---|
function ARMRestoreAbort(AbortMask:TAbortMask):TAbortMask; assembler; nostackframe;
Description: Restore Aborts to a previous state
| AbortMask | Abort state to restore (Passed in R0) |
|---|---|
| Return | Abort state when called (Returned in R0) |
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