Hardware/Latte IRQs

Latte IRQs
Access
Espresso	Partial
Starbuck	Full
Registers
Base	0x0d800030, 0x0d800440
Length	0x10, 0x48
Access size	32 bits
Byte order	Big Endian

Register List

The Latte IRQ controller has two different register blocks: a global ARM block mapped at the same address as on the Wii, and a new SMP block for each PPC core to use.

Global ARM block

Global ARM block
Address	Bits	Name	Description
0x0d800030	32	LT_PPCIRQFLAG	PPC IRQ flags
0x0d800034	32	LT_PPCIRQMASK	PPC IRQ mask
0x0d800038	32	LT_ARMIRQFLAG	ARM IRQ flags
0x0d80003c	32	LT_ARMIRQMASK	ARM IRQ mask

SMP block

SMP block - PPC core 0
Address	Bits	Name	Description
0x0d800440	32	LT_PPC0_AHBALL_IRQFLAG	PPC core 0 IRQ flags for AHB (all) IRQs
0x0d800444	32	LT_PPC0_AHBLT_IRQFLAG	PPC core 0 IRQ flags for AHB (Latte) IRQs
0x0d800448	32	LT_PPC0_AHBALL_IRQMASK	PPC core 0 IRQ mask for AHB (all) IRQs
0x0d80044c	32	LT_PPC0_AHBLT_IRQMASK	PPC core 0 IRQ mask for AHB (Latte) IRQs

SMP block - PPC core 1
Address	Bits	Name	Description
0x0d800450	32	LT_PPC0_AHBALL_IRQFLAG	PPC core 1 IRQ flags for AHB (all) IRQs
0x0d800454	32	LT_PPC0_AHBLT_IRQFLAG	PPC core 1 IRQ flags for AHB (Latte) IRQs
0x0d800458	32	LT_PPC1_AHBALL_IRQMASK	PPC core 1 IRQ mask for AHB (all) IRQs
0x0d80045c	32	LT_PPC1_AHBLT_IRQMASK	PPC core 1 IRQ mask for AHB (Latte) IRQs

SMP block - PPC core 2
Address	Bits	Name	Description
0x0d800460	32	LT_PPC0_AHBALL_IRQFLAG	PPC core 2 IRQ flags for AHB (all) IRQs
0x0d800464	32	LT_PPC0_AHBLT_IRQFLAG	PPC core 2 IRQ flags for AHB (Latte) IRQs
0x0d800468	32	LT_PPC2_AHBALL_IRQMASK	PPC core 2 IRQ mask for AHB (all) IRQs
0x0d80046c	32	LT_PPC2_AHBLT_IRQMASK	PPC core 2 IRQ mask for AHB (Latte) IRQs