system.c File Reference

Functions
u8 rspbootUcodeBuffer[0x100]	ALIGNED (16)
void	create_audio_system (void)
void	nuAuPreNMIFuncSet (NUAuPreNMIFunc func)
void	nuAuMgr (void *arg)
s32	nuAuDmaCallBack (s32 addr, s32 len, void *state, u8 useDma)
	DMA callback for audio sample streaming; manages a DMA buffer cache.
ALDMAproc	nuAuDmaNew (NUDMAState **state)
	Initializes the audio DMA state and returns the DMA callback.
void	nuAuCleanDMABuffers (void)
	Recycles DMA buffers which are no longer in use (based on frame count).
void	nuAuPreNMIProc (NUScMsg mesg_type, u32 frameCounter)
	Handles global audio fade-out during system resets (NMI).
void	alLink (ALLink *element, ALLink *after)
	Links a new element into a doubly-linked list.
void	alUnlink (ALLink *element)
	Unlinks a list element from a doubly-linked list.

Variables
NOP_FIX u8	nuAuPreNMI = 0
NUAuPreNMIFunc	nuAuPreNMIFunc = nullptr
s32	nuAuDmaNext = 0
u32	nuAuFrameCounter = 0
u8	nuAuTaskStop = NU_AU_TASK_RUN
u8 volatile	AuSynUseStereo = true
BSS u16	AuInitialGlobalVolume
BSS OSThread	nuAuMgrThread
BSS char	D_800A1108 [0x408]
BSS u64	AuStack [NU_AU_STACK_SIZE/sizeof(u64)]
BSS Acmd *	AlCmdListBuffers [3]
BSS NUScTask	nuAuTasks [3]
BSS u8 *	D_800A3628 [3]
BSS s32	AlFrameSize
BSS s32	AlMinFrameSize
BSS s32	D_800A363C
BSS OSMesgQueue	nuAuDmaMesgQ
BSS OSMesg	nuAuDmaMesgBuf [50]
BSS OSIoMesg	nuAuDmaIOMesgBuf [50]
BSS NUDMAState	nuAuDmaState
BSS s32	D_800A3BDC
BSS NUDMABuffer	nuAuDmaBufList [50]
ALHeap	nuAuHeap
AuSynDriver	auSynDriver
u64	n_aspMainTextStart []
u64	n_aspMainDataStart []
u8	AuHeapBase [AUDIO_HEAP_SIZE]

Function Documentation

ALIGNED()

u8 rspbootUcodeBuffer[0x100] ALIGNED

(

16

)

alLink()

void alLink	(	ALLink *	element,
		ALLink *	after )

Links a new element into a doubly-linked list.

Referenced by create_audio_system(), nuAuCleanDMABuffers(), and nuAuDmaCallBack().

alUnlink()

void alUnlink

(

ALLink *

element

)

Unlinks a list element from a doubly-linked list.

Referenced by nuAuCleanDMABuffers(), and nuAuDmaCallBack().

create_audio_system()

void create_audio_system

(

void

)

Referenced by create_audio_system_obfuscated().

nuAuCleanDMABuffers()

void nuAuCleanDMABuffers

(

void

)

Recycles DMA buffers which are no longer in use (based on frame count).

Referenced by nuAuMgr().

nuAuDmaCallBack()

s32 nuAuDmaCallBack	(	s32	addr,
		s32	len,
		void *	state,
		u8	useDma )

DMA callback for audio sample streaming; manages a DMA buffer cache.

Referenced by nuAuDmaNew().

nuAuDmaNew()

ALDMAproc nuAuDmaNew

(

NUDMAState **

state

)

Initializes the audio DMA state and returns the DMA callback.

Called once per AuPVoice initialization in au_driver_init to assign callbacks to them.

Referenced by create_audio_system().

nuAuMgr()

void nuAuMgr

(

void *

arg

)

Referenced by create_audio_system().

nuAuPreNMIFuncSet()

void nuAuPreNMIFuncSet

(

NUAuPreNMIFunc

func

)

nuAuPreNMIProc()

void nuAuPreNMIProc	(	NUScMsg	mesg_type,
		u32	frameCounter )

Handles global audio fade-out during system resets (NMI).

Referenced by create_audio_system().

Variable Documentation

AlCmdListBuffers

BSS Acmd* AlCmdListBuffers[3]

Referenced by create_audio_system(), and nuAuMgr().

AlFrameSize

BSS s32 AlFrameSize

Referenced by create_audio_system(), and nuAuMgr().

AlMinFrameSize

BSS s32 AlMinFrameSize

Referenced by create_audio_system(), and nuAuMgr().

AuHeapBase

BSS u8 AuHeapBase ( )

extern

Referenced by create_audio_system().

AuInitialGlobalVolume

BSS u16 AuInitialGlobalVolume

Referenced by nuAuPreNMIProc().

AuStack

BSS u64 AuStack[NU_AU_STACK_SIZE/sizeof(u64)]

Referenced by create_audio_system().

auSynDriver

AuSynDriver auSynDriver

Referenced by create_audio_system().

AuSynUseStereo

u8 volatile AuSynUseStereo = true

Referenced by au_pull_voice(), au_set_stereo_enabled(), au_syn_get_volume_left(), au_syn_get_volume_right(), au_syn_set_fxmix(), au_syn_set_mixer_params(), au_syn_set_pan(), au_syn_set_pan_fxmix(), au_syn_set_volume_delta(), and au_syn_start_voice_params().

D_800A1108

BSS char D_800A1108[0x408]

D_800A3628

BSS u8* D_800A3628[3]

Referenced by create_audio_system(), and nuAuMgr().

D_800A363C

BSS s32 D_800A363C

D_800A3BDC

BSS s32 D_800A3BDC

n_aspMainDataStart

u64 n_aspMainDataStart[]

extern

Referenced by create_audio_system().

n_aspMainTextStart

u64 n_aspMainTextStart[]

extern

Referenced by create_audio_system().

nuAuDmaBufList

BSS NUDMABuffer nuAuDmaBufList[50]

Referenced by create_audio_system(), and nuAuDmaNew().

nuAuDmaIOMesgBuf

BSS OSIoMesg nuAuDmaIOMesgBuf[50]

Referenced by nuAuDmaCallBack().

nuAuDmaMesgBuf

BSS OSMesg nuAuDmaMesgBuf[50]

Referenced by create_audio_system().

nuAuDmaMesgQ

BSS OSMesgQueue nuAuDmaMesgQ

Referenced by create_audio_system(), and nuAuDmaCallBack().

nuAuDmaNext

s32 nuAuDmaNext = 0

Referenced by nuAuCleanDMABuffers(), nuAuDmaCallBack(), and nuAuDmaNew().

nuAuDmaState

BSS NUDMAState nuAuDmaState

Referenced by nuAuCleanDMABuffers(), nuAuDmaCallBack(), and nuAuDmaNew().

nuAuFrameCounter

u32 nuAuFrameCounter = 0

Referenced by nuAuCleanDMABuffers(), and nuAuDmaCallBack().

nuAuHeap

ALHeap nuAuHeap

Referenced by create_audio_system().

nuAuMgrThread

BSS OSThread nuAuMgrThread

Referenced by create_audio_system().

nuAuPreNMI

NOP_FIX u8 nuAuPreNMI = 0

Referenced by create_audio_system(), and nuAuMgr().

nuAuPreNMIFunc

NUAuPreNMIFunc nuAuPreNMIFunc = nullptr

Referenced by create_audio_system(), nuAuMgr(), and nuAuPreNMIFuncSet().

nuAuTasks

BSS NUScTask nuAuTasks[3]

Referenced by create_audio_system(), and nuAuMgr().

nuAuTaskStop

u8 nuAuTaskStop = NU_AU_TASK_RUN

Referenced by create_audio_system(), nuAuMgr(), and nuAuPreNMIProc().