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Line 354: − + − + − |- − | 0x704 − | s16 − | Error tracker for thread above − |- − | 0x706 − | u16 − | Alignment − |} − − = InterruptEvent = − − Abstract base class for interrupt events. − − {| class="wikitable" border="1" − |- − ! Offset − ! Type − ! Description − |- − | 0x0 − | void ** − | Pointer to vtable − |- − | 0x4 − | u32 − | Unknown − − The first method in the table is <code>virtual KInterruptEvent* InterruptEvent::getKInterruptEvent(u32 interruptID) = 0</code>. It's actually the function called by the IRQ handler, which returns a [[KInterruptEvent|KInterruptEvent]] to signal. − If NULL or 1 is returned, no event will be signaled. If NULL is returned, no post-interrupt rescheduling will be done. − − The second method is <code>virtual void InterruptEvent::signalEvent(void) = 0</code>, which signals the associated [[KEvent|KEvent]] object. − − The kernel uses the [[KInterruptEvent|KInterruptEvent]] field of a [[KEvent|KEvent]] when binding public interrupts per svcBindInterrupt request, whereas it internally uses a static object of another subclass to bind interrupt 0x0F (FIQ abstraction).
→Hardware Interrupts
== Interrupts ==
== Interrupts ==
Interrupt priority is 0-0xF
Interrupt priority is 0-0xF. A priority of 0xF means that the interrupt is disabled.
= Private Interrupts =
= Private Interrupts =
! Description
! Description
|-
|-
| 0-0x5
| 0
|
|
| MPCore software-interrupt.
| MPCore software-interrupt. Not configured.
|-
| 0x1
|
| MPCore software-interrupt. Used by BOOT11 to kickstart Core1.
|-
| 0x2-0x3
|
| MPCore software-interrupt. Seem to be unused.
|-
| 0x4
| Kernel
| MPCore software-interrupt. Used to manage the performance counter.
|-
| 0x5
| Kernel
| MPCore software-interrupt. Does apparently nothing.
|-
|-
| 0x6
| 0x6
| Kernel
| Kernel
| MPCore software-interrupt.
| MPCore software-interrupt. Extensively used by [[SVC|KernelSetState]] (and contains most of the actual code of the latter).
|-
|-
| 0x7
| 0x7
|
| Kernel
| MPCore software-interrupt.
| MPCore software-interrupt. See [[KCacheMaintenanceInterruptEvent]]
|-
|-
| 0x8
| 0x8
| MPCore software-interrupt. Used for scheduling.
| MPCore software-interrupt. Used for scheduling.
|-
|-
| 0x9-0xE
| 0x9
|
| Kernel
| MPCore software-interrupt.
| MPCore software-interrupt. Used when handling exceptions that require termination of a thread or a process, and in some cases by svcSetDebugThreadContext, to store VFP registers in the thread's register storage.
|-
| 0xA
| Kernel
| TLB operations interrupt, see [[KTLBOperationsInterruptEvent]]
|-
| 0xB-0xE
|
| MPCore software-interrupt. Not configured.
|-
|-
| 0xF
| 0xF
| dmnt/debugger
| dmnt/debugger
| MPCore software-interrupt. Used to abstract FIQ (debug).
| MPCore software-interrupt. Used to abstract FIQ (debug). This interrupt is never sent to core2 nor core3 on N3DS.
|-
|-
| 0x1D
| 0x1D
! Listener
! Listener
! Description
! Description
|-
| 0x24
| ?
| SPI bus 2 interrupt status update
|-
|-
| 0x28
| 0x28
| gsp, TwlBg
| gsp, TwlBg
| PSC0?
| PSC0
|-
|-
| 0x29
| 0x29
| gsp, TwlBg
| gsp, TwlBg
| PSC1?
| PSC1
|-
|-
| 0x2A
| 0x2A
| gsp, TwlBg
| gsp, TwlBg
| PDC0?
| PDC0 (VBlank0)
|-
|-
| 0x2B
| 0x2B
| gsp, TwlBg
| gsp, TwlBg
| PDC1?
| PDC1 (VBlank1)
|-
|-
| 0x2C
| 0x2C
| gsp, TwlBg
| gsp, TwlBg
| PPF?
| PPF
|-
|-
| 0x2D
| 0x2D
| gsp, TwlBg
| gsp, TwlBg
| ?
| P3D
|-
|-
| 0x30
| 0x30
| 0x4A
| 0x4A
| dsp
| dsp
| ?
| General interrupt from DSP, including semaphore and command/reply registers status change
|-
|-
| 0x4B
| 0x4B
| 0x4E
| 0x4E
| mvd (New3DS)
| mvd (New3DS)
| ?
| Y2R2 End Event
|-
|-
| 0x4F
| 0x4F
| mvd (New3DS)
| mvd (New3DS)
| ?
| Related to mvd services
|-
|-
| 0x50
| 0x50
| 0x54
| 0x54
| i2c, TwlBg
| i2c, TwlBg
| ?
| I2C Bus0 work done
|-
|-
| 0x55
| 0x55
| i2c, TwlBg
| i2c, TwlBg
| ?
| I2C Bus1 work done
|-
|-
| 0x56
| 0x56
| spi, TwlBg
| spi, TwlBg
| ?
| SPI bus 3 interrupt status update
|-
|-
| 0x57
| 0x57
| spi, TwlBg
| spi, TwlBg
| ?
| SPI bus 1 interrupt status update
|-
|-
| 0x58
| 0x58
| 0x5C
| 0x5C
| i2c, TwlBg
| i2c, TwlBg
| ?
| I2C Bus2 work done
|-
|-
| 0x60
| 0x60
| gpio, TwlBg
| gpio, TwlBg
| Asserted when shell is opened?
| Shell opened
|-
|-
| 0x62
| 0x62
| gpio, TwlBg
| gpio, TwlBg
| Asserted when shell is closed?
| Shell closed
|-
|-
| 0x63
| 0x63
| 0x64
| 0x64
| gpio, TwlBg
| gpio, TwlBg
| Headphone jack plugged in
| Headphone jack plugged in/out
|-
|-
| 0x66
| 0x66
| 0x68
| 0x68
| gpio, TwlBg
| gpio, TwlBg
| IR?
| IR
|-
|-
| 0x69
| 0x69
| 0x70
| 0x70
| gpio, TwlBg
| gpio, TwlBg
| Headphone jack plugged out
| ?
|-
|-
| 0x71
| 0x71
| gpio, TwlBg
| gpio, TwlBg
| MCU (HOME/POWER pressed)
| MCU (HOME/POWER pressed/released or WiFi switch pressed)
|-
|-
| 0x72
| 0x72
| ?
| ?
| Gamecard inserted
| Gamecard inserted
|-
| 0x78 to 0x7B
| Kernel
| Core 0-3 Performance monitor counter (any) overflow
|-
| 0x7A to 0x82 (PDN_MPCORE_CFG bit2 set) or
0x7C to 0x84 (bit2 clear)
| Kernel
| ?
|}
|}
(interrupts from 0x80 and up can't be mapped in available builds of the kernel)
|-
|-
| 0x0
| 0x0
| InterruptEvent *
| [[KBaseInterruptEvent]] *
| Pointer to the InterruptEvent object for that interrupt
| Pointer to the KBaseInterruptEvent object for this interrupt
|-
|-
| 0x4
| 0x4
| u8
| u8
| Interrupt will be masked by the IRQ handler as soon as it is acknowledged
| Interrupt will be disabled by the IRQ handler as soon as it is acknowledged.
Ignored for FIQ: the FIQ handler always sets bit2 of [[PDN_Registers#PDN_FIQ_CNT|PDN_FIQ_CNT]]
|-
|-
| 0x5
| 0x5
| u8
| u8
| Interrupt is masked
| Interrupt is disabled
|-
|-
| 0x6
| 0x6
|-
|-
| 0x700
| 0x700
| KThread*
| [[KObjectMutex]]
| Thread currently acting on the interrupt table
| Mutex
|}
|}