Difference between revisions of "Unit PlatformRPi"

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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| See page 6-36 of the ARM1176JZF-S Technical Reference Manual
 
| See page 6-36 of the ARM1176JZF-S Technical Reference Manual
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Data = first 28 bits, Channel = last 4 bits
 
| Data = first 28 bits, Channel = last 4 bits
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Data = first 28 bits, Channel = last 4 bits
 
| Data = first 28 bits, Channel = last 4 bits
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Data = first 28 bits, Channel = last 4 bits
 
| Data = first 28 bits, Channel = last 4 bits
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Data = first 28 bits, Channel = last 4 bits
 
| Data = first 28 bits, Channel = last 4 bits
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Data = first 28 bits, Channel = last 4 bits
 
| Data = first 28 bits, Channel = last 4 bits
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Data = first 28 bits, Channel = last 4 bits
 
| Data = first 28 bits, Channel = last 4 bits
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
 
Data pointer must be 16 byte aligned to allow for the 4 bit channel number
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''CPUID'''
+
! CPUID
 
| CPU to route IRQ to (Ignored on RPi)
 
| CPU to route IRQ to (Ignored on RPi)
 
|-
 
|-
−
! '''Number'''
+
! Number
 
| IRQ number to register
 
| IRQ number to register
 
|-
 
|-
−
! '''Handler'''
+
! Handler
 
| Interrupt handler function to register
 
| Interrupt handler function to register
 
|-
 
|-
−
! '''HandlerEx'''
+
! HandlerEx
 
| Extended Interrupt handler function to register
 
| Extended Interrupt handler function to register
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Only one of Handler or HandlerEx can be specified
 
| Only one of Handler or HandlerEx can be specified
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''CPUID'''
+
! CPUID
 
| CPU to route IRQ to (Ignored on RPi)
 
| CPU to route IRQ to (Ignored on RPi)
 
|-
 
|-
−
! '''Number'''
+
! Number
 
| IRQ number to deregister
 
| IRQ number to deregister
 
|-
 
|-
−
! '''Handler'''
+
! Handler
 
| Interrupt handler function to deregister
 
| Interrupt handler function to deregister
 
|-
 
|-
−
! '''HandlerEx'''
+
! HandlerEx
 
| Extended Interrupt handler function to deregister
 
| Extended Interrupt handler function to deregister
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Only one of Handler or HandlerEx can be specified
 
| Only one of Handler or HandlerEx can be specified
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''CPUID'''
+
! CPUID
 
| CPU to route FIQ to (Ignored on RPi)
 
| CPU to route FIQ to (Ignored on RPi)
 
|-
 
|-
−
! '''Number'''
+
! Number
 
| FIQ number to register
 
| FIQ number to register
 
|-
 
|-
−
! '''Handler'''
+
! Handler
 
| Interrupt handler function to register
 
| Interrupt handler function to register
 
|-
 
|-
−
! '''HandlerEx'''
+
! HandlerEx
 
| Extended Interrupt handler function to register
 
| Extended Interrupt handler function to register
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Only one of Handler or HandlerEx can be specified
 
| Only one of Handler or HandlerEx can be specified
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''CPUID'''
+
! CPUID
 
| CPU to route FIQ to (Ignored on RPi)
 
| CPU to route FIQ to (Ignored on RPi)
 
|-
 
|-
−
! '''Number'''
+
! Number
 
| FIQ number to deregister
 
| FIQ number to deregister
 
|-
 
|-
−
! '''Handler'''
+
! Handler
 
| Interrupt handler function to deregister
 
| Interrupt handler function to deregister
 
|-
 
|-
−
! '''HandlerEx'''
+
! HandlerEx
 
| Extended Interrupt handler function to deregister
 
| Extended Interrupt handler function to deregister
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Only one of Handler or HandlerEx can be specified
 
| Only one of Handler or HandlerEx can be specified
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''CPUID'''
+
! CPUID
 
| The CPU Id to register the System Call against (Ignored on RPi)
 
| The CPU Id to register the System Call against (Ignored on RPi)
 
|-
 
|-
−
! '''Number'''
+
! Number
 
| The System Call number to be registered
 
| The System Call number to be registered
 
|-
 
|-
−
! '''Handler'''
+
! Handler
 
| The handler function to be registered
 
| The handler function to be registered
 
|-
 
|-
−
! '''HandlerEx'''
+
! HandlerEx
 
| The extended handler function to be registered
 
| The extended handler function to be registered
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Only one of Handler or HandlerEx can be specified
 
| Only one of Handler or HandlerEx can be specified
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''CPUID'''
+
! CPUID
 
| The CPU Id to deregister the System Call from (Ignored on RPi)
 
| The CPU Id to deregister the System Call from (Ignored on RPi)
 
|-
 
|-
−
! '''Number'''
+
! Number
 
| The System Call number to be deregistered
 
| The System Call number to be deregistered
 
|-
 
|-
−
! '''Handler'''
+
! Handler
 
| The handler function to be deregistered
 
| The handler function to be deregistered
 
|-
 
|-
−
! '''HandlerEx'''
+
! HandlerEx
 
| The extended handler function to be deregistered
 
| The extended handler function to be deregistered
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Only one of Handler or HandlerEx can be specified
 
| Only one of Handler or HandlerEx can be specified
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Get the system call entry for the specified system call number
 
| Get the system call entry for the specified system call number
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Power Lock not required due to Mailbox Property Call serialization
 
| Power Lock not required due to Mailbox Property Call serialization
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| On the Raspberry Pi this comes from the System Timer free running counter which runs at 1MHz and therefore overflows every 4295 seconds
 
| On the Raspberry Pi this comes from the System Timer free running counter which runs at 1MHz and therefore overflows every 4295 seconds
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| On the Raspberry Pi this comes from the System Timer free running counter which runs at 1MHz, the clock interrupt also uses this timer to increment the clock every second and therefore keep time.
 
| On the Raspberry Pi this comes from the System Timer free running counter which runs at 1MHz, the clock interrupt also uses this timer to increment the clock every second and therefore keep time.
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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|-
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
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−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
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|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| On current firmware versions calling TouchGetBuffer will allocate a buffer from GPU memory and render subsequent calls to TouchSetBuffer ineffective. After an initial call to TouchSetBuffer calls to TouchGetBuffer will always return the CPU allocated buffer.
 
| On current firmware versions calling TouchGetBuffer will allocate a buffer from GPU memory and render subsequent calls to TouchSetBuffer ineffective. After an initial call to TouchSetBuffer calls to TouchGetBuffer will always return the CPU allocated buffer.
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Relative'''
+
! Relative
−
| X, Y is relative to Display (Virtual) not Framebuffer (Physical)
+
| X, Y is relative to Display (Virtual) not Framebuffer (Physical).
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Called by ARMv6IRQHandler in PlatformARMv6
 
| Called by ARMv6IRQHandler in PlatformARMv6
 
A DataMemoryBarrier is executed before and after calling this function
 
A DataMemoryBarrier is executed before and after calling this function
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Called by ARMv6FIQHandler in PlatformARMv6
 
| Called by ARMv6FIQHandler in PlatformARMv6
 
A DataMemoryBarrier is executed before and after calling this function
 
A DataMemoryBarrier is executed before and after calling this function
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| Called by ARMv6SoftwareInterruptHandler in PlatformARMv6
 
| Called by ARMv6SoftwareInterruptHandler in PlatformARMv6
 
A DataMemoryBarrier is executed before and after calling this function
 
A DataMemoryBarrier is executed before and after calling this function
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| This schedules another clock interrupt to occur CLOCK_CYCLES_PER_TICK in the future, then updates ClockTicks and ClockSeconds.
 
| This schedules another clock interrupt to occur CLOCK_CYCLES_PER_TICK in the future, then updates ClockTicks and ClockSeconds.
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Cycles'''
+
! Cycles
 
| Number of cycles after which the timer interrupt is to be triggered
 
| Number of cycles after which the timer interrupt is to be triggered
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| This refers to native clock cycles as specified by CLOCK_FREQUENCY
 
| This refers to native clock cycles as specified by CLOCK_FREQUENCY
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| This schedules another scheduler interrupt to occur SCHEDULER_CLOCKS_PER_INTERRUPT in the future, then checks for threads to wakeup and the next thread to schedule.
 
| This schedules another scheduler interrupt to occur SCHEDULER_CLOCKS_PER_INTERRUPT in the future, then checks for threads to wakeup and the next thread to schedule.
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Cycles'''
+
! Cycles
 
| Number of cycles after which the scheduler interrupt is to be triggered
 
| Number of cycles after which the scheduler interrupt is to be triggered
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| This refers to native clock cycles as specified by CLOCK_FREQUENCY
 
| This refers to native clock cycles as specified by CLOCK_FREQUENCY
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| This is registered to receive requests for the SYSTEM_CALL_CONTEXT_SWITCH and will perform a context switch from within an SWI
 
| This is registered to receive requests for the SYSTEM_CALL_CONTEXT_SWITCH and will perform a context switch from within an SWI
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| This currently only works for RPiA+/B+
 
| This currently only works for RPiA+/B+
 
|-
 
|-
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|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-

Revision as of 01:30, 25 April 2018

Return to Unit Reference


Description

Ultibo Platform interface unit for Raspberry Pi

The RPi A+/B+ have the Power LED connected to GPIO Pin 35 (Activity LED is now on GPIO Pin 47 instead of Pin 16 in model A/B).

Constants


RPi ARM physical to VC IO mapping RPI_VCIO_*
RPI_VCIO_ALIAS = BCM2835_VCIO_ALIAS; The VCIO Alias (For ARM Physcial to VC IO translation)


RPi ARM physical to VC bus mapping RPI_VCBUS_*
RPI_VCBUS_ALIAS = BCM2835_VCBUS_4_ALIAS; The currently selected VCBUS Alias (For ARM Physcial to VC Bus translation) (Affected by disable_l2cache setting in config.txt)


RPi address of StartupHandler on reset RPI_STARTUP_*
RPI_STARTUP_ADDRESS = $00008000;  


RPi page table address and size RPI_PAGE_TABLE_*
RPI_PAGE_TABLE_BASE = $00004000; Place the first level Page Table after the interrupt vectors at 0x00001000 and before the code start at 0x00008000
RPI_PAGE_TABLE_SIZE = SIZE_16K; ARM1176 first level Page Table is exactly 16KB in size (4096 32 bit (4 byte) entries)


RPi vector table address and size RPI_VECTOR_TABLE_*
RPI_VECTOR_TABLE_BASE = $00001000; Place the Interrupt Vector Table at 0x00001000 before the code start at 0x00008000
RPI_VECTOR_TABLE_SIZE = SIZE_64; The Interrupt Vector Table is exactly 64 bytes (16 32 bit (4 byte) entries)
RPI_VECTOR_TABLE_COUNT = 8; The Interrupt Vector Table contains 8 entries on an ARMv6 device


RPi CPU count, boot and mask RPI_CPU_*
RPI_CPU_COUNT = BCM2835_CPU_COUNT;  
RPI_CPU_BOOT = CPU_ID_0;  
RPI_CPU_MASK = CPU_AFFINITY_0;  


RPi SWI RPI_SWI_*
RPI_SWI_COUNT = 256; Number of available SWI entries


RPi kernel image name RPI_KERNEL_*
RPI_KERNEL_NAME = 'kernel.img';  
RPI_KERNEL_CONFIG = 'config.txt';  
RPI_KERNEL_COMMAND = 'cmdline.txt';  


RPi plus GPIO power LED RPIPLUS_GPIO_PWRLED_*
GPIO Power LED constants GPIO Pin 35 - A+/B+ Only
Note: GPIO Pin 35 on the A+/B+ is set on boot to Pull Up/Down Enable which must be cleared before using the pin
 
RPIPLUS_GPIO_PWRLED_GPFSEL = BCM2835_GPFSEL3; GPFSEL register for PWR LED
RPIPLUS_GPIO_PWRLED_GPSET = BCM2835_GPSET1; GPSET register for PWR LED
RPIPLUS_GPIO_PWRLED_GPCLR = BCM2835_GPCLR1; GPCLR register for PWR LED
 
RPIPLUS_GPIO_PWRLED_GPFSHIFT = 15; GPFSEL register shift for PWR LED
RPIPLUS_GPIO_PWRLED_GPFMASK = BCM2835_GPFSEL_MASK; GPFSEL register mask for PWR LED
 
RPIPLUS_GPIO_PWRLED_GPSHIFT = (35 - 32); GPSET/GPCLR register shift for PWR LED
RPIPLUS_GPIO_PWRLED_GPMASK = BCM2835_GPSET_MASK; GPSET/GPCLR register mask for PWR LED
 
GPIO Pin 35 on A+/B+
See: http://www.raspberrypi.org/forums/viewtopic.php?t=72260
See also for how to control GPPUD etc: http://wiki.osdev.org/Raspberry_Pi_Bare_Bones


RPi GPIO activity LED RPI_GPIO_ACTLED_*
GPIO Pin 16 - A/B Only
Note: GPIO Pin 47 on the A+/B+ is Pull High instead of Pull Low, to turn on the LED use RPIPLUS_GPIO_ACTLED_GPSET instead of RPIPLUS_GPIO_ACTLED_GPCLR
 
RPI_GPIO_ACTLED_GPFSEL = BCM2835_GPFSEL1; GPFSEL register for ACT LED
RPI_GPIO_ACTLED_GPSET = BCM2835_GPSET0; GPSET register for ACT LED
RPI_GPIO_ACTLED_GPCLR = BCM2835_GPCLR0; GPCLR register for ACT LED
 
RPI_GPIO_ACTLED_GPFSHIFT = 18; GPFSEL register shift for ACT LED
RPI_GPIO_ACTLED_GPFMASK = BCM2835_GPFSEL_MASK; GPFSEL register mask for ACT LED
 
RPI_GPIO_ACTLED_GPSHIFT = 16; GPSET/GPCLR register shift for ACT LED
RPI_GPIO_ACTLED_GPMASK = BCM2835_GPSET_MASK; GPSET/GPCLR register mask for ACT LED


RPi plus GPIO activity LED RPIPLUS_GPIO_ACTLED_*
GPIO Pin 47 - A+/B+ Only
 
RPIPLUS_GPIO_ACTLED_GPFSEL = BCM2835_GPFSEL4; GPFSEL register for ACT LED
RPIPLUS_GPIO_ACTLED_GPSET = BCM2835_GPSET1; GPSET register for ACT LED
RPIPLUS_GPIO_ACTLED_GPCLR = BCM2835_GPCLR1; GPCLR register for ACT LED
 
RPIPLUS_GPIO_ACTLED_GPFSHIFT = 21; GPFSEL register shift for ACT LED
RPIPLUS_GPIO_ACTLED_GPFMASK = BCM2835_GPFSEL_MASK; GPFSEL register mask for ACT LED
 
RPIPLUS_GPIO_ACTLED_GPSHIFT = (47 - 32); GPSET/GPCLR register shift for ACT LED
RPIPLUS_GPIO_ACTLED_GPMASK = BCM2835_GPSET_MASK; GPSET/GPCLR register mask for ACT LED


RPi mailbox RPI_MAILBOX_*
RPI_MAILBOX_TIMEOUT = 100; Default timeout to wait for mailbox calls to complete (Milliseconds)
RPI_MAILBOX_TIMEOUT_EX = 1000; Extended timeout to wait for mailbox calls to complete (Milliseconds)


RPi framebuffer RPI_FRAMEBUFFER_*
RPI_FRAMEBUFFER_DESCRIPTION = 'BCM2835 Framebuffer';  


Type definitions

None defined

Public variables


RPi specific Ultibo variables

RPiInitialized:Boolean;

Timer variables

TimerRegisters:PBCM2835SystemTimerRegisters;

Mailbox variables

Mailbox0Registers:PBCM2835Mailbox0Registers;

Interrupt variables

InterruptRegisters:PBCM2835InterruptRegisters;
InterruptEntries:array[0..(BCM2835_IRQ_COUNT - 1)] of TInterruptEntry;

System call

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

IRQ/FIQ

IRQEnabled:array[0..2] of LongWord; 3 groups of IRQs to Enable/Disable (See: TBCM2835InterruptRegisters)
FIQEnabled:LongWord; The single IRQ number to Enable as FIQ instead (See: TBCM2835InterruptRegisters)

Watchdog variables

WatchdogRegisters:PBCM2835PMWatchdogRegisters;


Function declarations


Initialization functions 

procedure RPiInit;
Description: To be documented
Note None documented


RPi platform functions 

procedure RPiBoardInit;
Description: To be documented
Note None documented 


procedure RPiMemoryInit;
Description: To be documented
Note None documented 


procedure RPiClockInit;
Description: To be documented
Note None documented 


procedure RPiPowerInit;
Description: To be documented
Note None documented 


procedure RPiMailboxInit;
Description: To be documented
Note None documented 


procedure RPiInterruptInit;
Description: To be documented
Note None documented 


procedure RPiPeripheralInit;
Description: To be documented
Note None documented 


procedure RPiFramebufferInit;
Description: To be documented
Note None documented 


procedure RPiPageTableInit;
Description: Initialize the Hardware Page Tables before enabling the MMU
Note See page 6-36 of the ARM1176JZF-S Technical Reference Manual 


procedure RPiPowerLEDEnable;
Description: To be documented
Note None documented 


procedure RPiPowerLEDOn;
Description: To be documented
Note None documented 


procedure RPiPowerLEDOff;
Description: To be documented
Note None documented 


procedure RPiActivityLEDEnable;
Description: To be documented
Note None documented 


procedure RPiActivityLEDOn;
Description: To be documented
Note None documented 


procedure RPiActivityLEDOff;
Description: To be documented
Note None documented 


function RPiMailboxReceive(Mailbox,Channel:LongWord):LongWord;
Description: Receive from specified mailbox on specified channel
Note Data = first 28 bits, Channel = last 4 bits 


procedure RPiMailboxSend(Mailbox,Channel,Data:LongWord);
Description: Send to specified mailbox on specified channel
Note Data = first 28 bits, Channel = last 4 bits 


function RPiMailboxCall(Mailbox,Channel,Data:LongWord; var Response:LongWord):LongWord;
Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel
Note Data = first 28 bits, Channel = last 4 bits

Data pointer must be 16 byte aligned to allow for the 4 bit channel number 


function RPiMailboxCallEx(Mailbox,Channel,Data:LongWord; var Response:LongWord; Timeout:LongWord):LongWord;
Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel
Note Data = first 28 bits, Channel = last 4 bits

Data pointer must be 16 byte aligned to allow for the 4 bit channel number 


function RPiMailboxPropertyCall(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord):LongWord;
Description: Perform a property tag transaction (Send/Receive) to specified mailbox on specified channel
Note Data = first 28 bits, Channel = last 4 bits

Data pointer must be 16 byte aligned to allow for the 4 bit channel number 


function RPiMailboxPropertyCallEx(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord; Timeout:LongWord):LongWord;
Description: Perform a property tag transaction (Send/Receive) to specified mailbox on specified channel
Note Data = first 28 bits, Channel = last 4 bits

Data pointer must be 16 byte aligned to allow for the 4 bit channel number 


function RPiRequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified IRQ number
CPUID CPU to route IRQ to (Ignored on RPi)
Number IRQ number to register
Handler Interrupt handler function to register
HandlerEx Extended Interrupt handler function to register
Note Only one of Handler or HandlerEx can be specified 


function RPiReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified IRQ number
CPUID CPU to route IRQ to (Ignored on RPi)
Number IRQ number to deregister
Handler Interrupt handler function to deregister
HandlerEx Extended Interrupt handler function to deregister
Note Only one of Handler or HandlerEx can be specified 


function RPiRequestExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified FIQ number
CPUID CPU to route FIQ to (Ignored on RPi)
Number FIQ number to register
Handler Interrupt handler function to register
HandlerEx Extended Interrupt handler function to register
Note Only one of Handler or HandlerEx can be specified 


function RPiReleaseExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified FIQ number
CPUID CPU to route FIQ to (Ignored on RPi)
Number FIQ number to deregister
Handler Interrupt handler function to deregister
HandlerEx Extended Interrupt handler function to deregister
Note Only one of Handler or HandlerEx can be specified 


function RPiRegisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request registration of the supplied extended handler to the specified System Call number
CPUID The CPU Id to register the System Call against (Ignored on RPi)
Number The System Call number to be registered
Handler The handler function to be registered
HandlerEx The extended handler function to be registered
Note Only one of Handler or HandlerEx can be specified 


function RPiDeregisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request deregistration of the supplied extended handler from the specified System Call number
CPUID The CPU Id to deregister the System Call from (Ignored on RPi)
Number The System Call number to be deregistered
Handler The handler function to be deregistered
HandlerEx The extended handler function to be deregistered
Note Only one of Handler or HandlerEx can be specified 


function RPiGetInterruptEntry(Number:LongWord):TInterruptEntry;
Description: Get the interrupt entry for the specified interrupt number
Note None documented 


function RPiGetSystemCallEntry(Number:LongWord):TSystemCallEntry;
Description: To be documented
Note Get the system call entry for the specified system call number 


function RPiSystemRestart(Delay:LongWord):LongWord;
Description: To be documented
Note None documented 


function RPiSystemShutdown(Delay:LongWord):LongWord;
Description: To be documented
Note None documented 


function RPiSystemGetCommandLine:String;
Description: Get the Command Line from the Mailbox property tags channel
Note None documented 


function RPiCPUGetMemory(var Address:PtrUInt; var Length:LongWord):LongWord;
Description: Get the CPU Memory from the Mailbox property tags channel
Note None documented 


function RPiGPUGetState:LongWord;
Description: To be documented
Note None documented 


function RPiGPUGetMemory(var Address:PtrUInt; var Length:LongWord):LongWord;
Description: Get the GPU Memory from the Mailbox property tags channel
Note None documented 


function RPiBoardGetModel:LongWord;
Description: Get the Board Model from the Mailbox property tags channel
Note None documented 


function RPiBoardGetSerial:Int64;
Description: Get the Board Serial from the Mailbox property tags channel
Note None documented 


function RPiBoardGetRevision:LongWord;
Description: Get the Board Revision from the Mailbox property tags channel
Note None documented 


function RPiBoardGetMACAddress:String;
Description: Get the Board MAC Address from the Mailbox property tags channel
Note None documented 


function RPiFirmwareGetRevision:LongWord;
Description: Get the Firmware Revision from the Mailbox property tags channel
Note None documented 


function RPiPowerGetWait(PowerId:LongWord):LongWord;
Description: Get the Power Wait from the Mailbox property tags channel
Note None documented 


function RPiPowerGetState(PowerId:LongWord):LongWord;
Description: Get the Power State from the Mailbox property tags channel
Note None documented 


function RPiPowerSetState(PowerId,State:LongWord; Wait:Boolean):LongWord;
Description: Set the Power State in the Mailbox property tags channel
Note Power Lock not required due to Mailbox Property Call serialization 


function RPiClockGetCount:LongWord;
Description: Gets the current system clock count (32 least significant bits of total)
Note On the Raspberry Pi this comes from the System Timer free running counter which runs at 1MHz and therefore overflows every 4295 seconds 


function RPiClockGetTotal:Int64;
Description: Gets the total system clock count
Note On the Raspberry Pi this comes from the System Timer free running counter which runs at 1MHz, the clock interrupt also uses this timer to increment the clock every second and therefore keep time. 


function RPiClockGetRate(ClockId:LongWord):LongWord;
Description: Get the Clock Rate from the Mailbox property tags channel
Note None documented 


function RPiClockSetRate(ClockId,Rate:LongWord; Turbo:Boolean):LongWord;
Description: Set the Clock Rate in the Mailbox property tags channel
Note None documented 


function RPiClockGetState(ClockId:LongWord):LongWord;
Description: Get the Clock State from the Mailbox property tags channel
Note None documented 


function RPiClockSetState(ClockId,State:LongWord):LongWord;
Description: Set the Clock State in the Mailbox property tags channel
Note None documented 


function RPiClockGetMinRate(ClockId:LongWord):LongWord;
Description: Get the Clock Min Rate from the Mailbox property tags channel
Note None documented 


function RPiClockGetMaxRate(ClockId:LongWord):LongWord;
Description: Get the Clock Max Rate from the Mailbox property tags channel
Note None documented 


function RPiTurboGetState(TurboId:LongWord):LongWord;
Description: Get the Turbo State from the Mailbox property tags channel
Note None documented 


function RPiTurboSetState(TurboId,State:LongWord):LongWord;
Description: Set the Turbo State in the Mailbox property tags channel
Note None documented 


function RPiVoltageGetValue(VoltageId:LongWord):LongWord;
Description: Get the Voltage Value from the Mailbox property tags channel
Note None documented 


function RPiVoltageSetValue(VoltageId,Value:LongWord):LongWord;
Description: Set the Voltage Value in the Mailbox property tags channel
Note None documented 


function RPiVoltageGetMinValue(VoltageId:LongWord):LongWord;
Description: Get the Voltage Min Value from the Mailbox property tags channel
Note None documented 


function RPiVoltageGetMaxValue(VoltageId:LongWord):LongWord;
Description: Get the Voltage Max Value from the Mailbox property tags channel
Note None documented 


function RPiTemperatureGetCurrent(TemperatureId:LongWord):LongWord;
Description: Get the Temperature Current from the Mailbox property tags channel
Note None documented 


function RPiTemperatureGetMaximum(TemperatureId:LongWord):LongWord;
Description: Get the Temperature Maximum Model from the Mailbox property tags channel
Note None documented 


function RPiGPUMemoryAllocate(Length,Alignment,Flags:LongWord):THandle;
Description: Allocate GPU Memory from the Mailbox property tags channel
Note None documented 


function RPiGPUMemoryRelease(Handle:THandle):LongWord;
Description: Release GPU Memory from the Mailbox property tags channel
Note None documented 


function RPiGPUMemoryLock(Handle:THandle):LongWord;
Description: Lock GPU Memory from the Mailbox property tags channel
Note None documented 


function RPiGPUMemoryUnlock(Handle:THandle):LongWord;
Description: Unlock GPU Memory from the Mailbox property tags channel
Note None documented 


function RPiGPUExecuteCode(Address:Pointer; R0,R1,R2,R3,R4,R5:LongWord):LongWord;
Description: Execute GPU Code from the Mailbox property tags channel
Note None documented 


function RPiDispmanxHandleGet(Resource:THandle):THandle;
Description: Get Dispmanx Memory Handle from the Mailbox property tags channel
Note None documented 


function RPiEDIDBlockGet(Block:LongWord; Buffer:Pointer; Length:LongWord):LongWord;
Description: Get EDID Block from the Mailbox property tags channel
Note None documented 


function RPiFramebufferAllocate(Alignment:LongWord; var Address,Length:LongWord):LongWord;
Description: Allocate Framebuffer from the Mailbox property tags channel
Note None documented 


function RPiFramebufferRelease:LongWord;
Description: Release Framebuffer from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetState(State:LongWord):LongWord;
Description: Set Framebuffer State (Blank Screen) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetDimensions(var Width,Height,Top,Bottom,Left,Right:LongWord):LongWord;
Description: Get Framebuffer Dimensions from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetPhysical(var Width,Height:LongWord):LongWord;
Description: Get Framebuffer Physical size from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetPhysical(var Width,Height:LongWord):LongWord;
Description: Set Framebuffer Physical size from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestPhysical(var Width,Height:LongWord):LongWord;
Description: Test Framebuffer Physical size from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetVirtual(var Width,Height:LongWord):LongWord;
Description: Get Framebuffer Virtual size from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetVirtual(var Width,Height:LongWord):LongWord;
Description: Set Framebuffer Virtual size from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestVirtual(var Width,Height:LongWord):LongWord;
Description: Test Framebuffer Virtual size from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetDepth(var Depth:LongWord):LongWord;
Description: Get Framebuffer Depth (Bits per pixel) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetDepth(var Depth:LongWord):LongWord;
Description: Set Framebuffer Depth (Bits per pixel) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestDepth(var Depth:LongWord):LongWord;
Description: Test Framebuffer Depth (Bits per pixel) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetPixelOrder(var Order:LongWord):LongWord;
Description: Get Framebuffer Pixel Order (RGB) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetPixelOrder(var Order:LongWord):LongWord;
Description: Set Framebuffer Pixel Order (RGB) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestPixelOrder(var Order:LongWord):LongWord;
Description: Test Framebuffer Pixel Order (RGB) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetAlphaMode(var Mode:LongWord):LongWord;
Description: Get Framebuffer Alpha Mode from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetAlphaMode(var Mode:LongWord):LongWord;
Description: Set Framebuffer Alpha Mode from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestAlphaMode(var Mode:LongWord):LongWord;
Description: Test Framebuffer Alpha Mode from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetPitch:LongWord;
Description: Get Framebuffer Pitch (Bytes per line) from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetOffset(var X,Y:LongWord):LongWord;
Description: Get Framebuffer Virtual Offset from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetOffset(var X,Y:LongWord):LongWord;
Description: Set Framebuffer Virtual Offset from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestOffset(var X,Y:LongWord):LongWord;
Description: Test Framebuffer Virtual Offset from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetOverscan(var Top,Bottom,Left,Right:LongWord):LongWord;
Description: Get Framebuffer Overscan from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetOverscan(var Top,Bottom,Left,Right:LongWord):LongWord;
Description: Set Framebuffer Overscan from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestOverscan(var Top,Bottom,Left,Right:LongWord):LongWord;
Description: Test Framebuffer Overscan from the Mailbox property tags channel
Note None documented 


function RPiFramebufferGetPalette(Buffer:Pointer; Length:LongWord):LongWord;
Description: Get Framebuffer Palette from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetPalette(Start,Count:LongWord; Buffer:Pointer; Length:LongWord):LongWord;
Description: Set Framebuffer Palette from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestPalette(Start,Count:LongWord; Buffer:Pointer; Length:LongWord):LongWord;
Description: Test Framebuffer Palette from the Mailbox property tags channel
Note None documented 


function RPiFramebufferTestVsync:LongWord;
Description: Test Framebuffer Vertical Sync from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetVsync:LongWord;
Description: Set Framebuffer Vertical Sync from the Mailbox property tags channel
Note None documented 


function RPiFramebufferSetBacklight(Brightness:LongWord):LongWord;
Description: Set Framebuffer Backlight Brightness from the Mailbox property tags channel
Note None documented 


function RPiTouchGetBuffer(var Address:LongWord):LongWord;
Description: Get the Touchscreen buffer from the Mailbox property tags channel
Note On current firmware versions calling TouchGetBuffer will allocate a buffer from GPU memory and render subsequent calls to TouchSetBuffer ineffective. After an initial call to TouchSetBuffer calls to TouchGetBuffer will always return the CPU allocated buffer. 


function RPiTouchSetBuffer(Address:PtrUInt):LongWord;
Description: Set the Touchscreen buffer in the Mailbox property tags channel
Note None documented 


function RPiCursorSetDefault:LongWord;
Description: Set Cursor Default (Pixels) from the Mailbox property tags channel
Note None documented 


function RPiCursorSetInfo(Width,Height,HotspotX,HotspotY:LongWord; Pixels:Pointer; Length:LongWord):LongWord;
Description: Set Cursor Info (Pixels) from the Mailbox property tags channel
Note None documented 


function RPiCursorSetState(Enabled:Boolean; X,Y:LongWord; Relative:Boolean):LongWord;
Description: Set Cursor State (Enable, X, Y) from the Mailbox property tags channel
Relative X, Y is relative to Display (Virtual) not Framebuffer (Physical). 


function RPiDMAGetChannels:LongWord;
Description: Get the available DMA Channels from the Mailbox property tags channel
Note None documented


RPi thread functions 

procedure RPiSchedulerInit;
Description: To be documented
Note None documented


RPi IRQ functions 

function RPiDispatchIRQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending IRQ requests
Note Called by ARMv6IRQHandler in PlatformARMv6

A DataMemoryBarrier is executed before and after calling this function 


function RPiHandleIRQ(Number,CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Call the handler function for an IRQ that was received, or halt if it doesn't exist
Note None documented


RPi FIQ functions 

function RPiDispatchFIQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending FIQ requests
Note Called by ARMv6FIQHandler in PlatformARMv6

A DataMemoryBarrier is executed before and after calling this function 


function RPiHandleFIQ(Number,CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Call the handler function for an FIQ that was received, or halt if it doesn't exist
Note None documented


RPi SWI functions 

function RPiDispatchSWI(CPUID:LongWord; Thread:TThreadHandle; Request:PSystemCallRequest):TThreadHandle;
Description: Process an SWI request
Note Called by ARMv6SoftwareInterruptHandler in PlatformARMv6

A DataMemoryBarrier is executed before and after calling this function


RPi clock functions 

procedure RPiClockInterrupt(Parameter:Pointer);
Description: Interrupt handler function for the clock interrupt
Note This schedules another clock interrupt to occur CLOCK_CYCLES_PER_TICK in the future, then updates ClockTicks and ClockSeconds. 


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


RPi scheduler functions 

function RPiSchedulerInterrupt(CPUID:LongWord; Thread:TThreadHandle; Parameter:Pointer):TThreadHandle;
Description: Interrupt handler function for the scheduler interrupt
Note This schedules another scheduler interrupt to occur SCHEDULER_CLOCKS_PER_INTERRUPT in the future, then checks for threads to wakeup and the next thread to schedule. 


procedure RPiSchedulerUpdate(Cycles:LongWord; var Last:LongWord);
Description: Setup a scheduler interrupt to trigger after the specified number of clock cycles
Cycles Number of cycles after which the scheduler interrupt is to be triggered
Note This refers to native clock cycles as specified by CLOCK_FREQUENCY 


procedure RPiSchedulerSystemCall(Request:PSystemCallRequest);
Description: System Call handler for the scheduler
Note This is registered to receive requests for the SYSTEM_CALL_CONTEXT_SWITCH and will perform a context switch from within an SWI


RPi framebuffer functions 

function RPiFramebufferDeviceAllocate(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Allocate a framebuffer using the Mailbox Property Tags
Note None documented 


function RPiFramebufferDeviceAllocateAlt(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Allocate a framebuffer using a simple Mailbox Call
Note None documented 


function RPiFramebufferDeviceRelease(Framebuffer:PFramebufferDevice):LongWord;
Description: To be documented
Note None documented 


function RPiFramebufferDeviceBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;
Description: To be documented
Note None documented 


function RPiFramebufferDeviceCommit(Framebuffer:PFramebufferDevice; Address,Size,Flags:LongWord):LongWord;
Description: To be documented
Note None documented 


function RPiFramebufferDeviceSetBacklight(Framebuffer:PFramebufferDevice; Brightness:LongWord):LongWord;
Description: To be documented
Note None documented 


function RPiFramebufferDeviceSetProperties(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: To be documented
Note None documented


RPi helper functions 

procedure RPiWait; assembler; nostackframe;
Description: To be documented
Note None documented 


procedure RPiLongWait; assembler; nostackframe;
Description: To be documented
Note None documented 


procedure RPiShortWait; assembler; nostackframe;
Description: To be documented
Note None documented 


procedure RPiSlowBlink; assembler; nostackframe;
Description: To be documented
Note None documented 


procedure RPiFastBlink; assembler; nostackframe;
Description: To be documented
Note None documented 


procedure RPiBootBlink; assembler; nostackframe;
Description: Blink the Activity LED without dependency on any other RTL setup
Note This currently only works for RPiA+/B+ 


function RPiConvertPowerIdRequest(PowerId:LongWord):LongWord;
Description: Convert Ultibo Power Id to BCM2835 Power Id
Note None documented 


function RPiConvertPowerStateRequest(PowerState:LongWord):LongWord;
Description: Convert Ultibo Power State to BCM2835 Power State
Note None documented 


function RPiConvertPowerStateResponse(PowerState:LongWord):LongWord;
Description: Convert BCM2835 Power State to Ultibo Power State
Note None documented 


function RPiConvertClockIdRequest(ClockId:LongWord):LongWord;
Description: Convert Ultibo Clock Id to BCM2835 Clock Id
Note None documented 


function RPiConvertClockStateRequest(ClockState:LongWord):LongWord;
Description: Convert Ultibo Clock State to BCM2835 Clock State
Note None documented 


function RPiConvertClockStateResponse(ClockState:LongWord):LongWord;
Description: Convert BCM2835 Clock State to Ultibo Clock State
Note None documented 


function RPiConvertVoltageIdRequest(VoltageId:LongWord):LongWord;
Description: Convert Ultibo Voltage Id to BCM2835 Voltage Id
Note None documented 


function RPiConvertTemperatureIdRequest(TemperatureId:LongWord):LongWord;
Description: Convert Ultibo Temperature Id to BCM2835 Temperature Id
Note None documented


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