system.c File Reference

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <malloc.h>
#include <sys/iosupport.h>
#include "asm.h"
#include "irq.h"
#include "exi.h"
#include "cache.h"
#include "video.h"
#include "system.h"
#include "sys_state.h"
#include "lwp_threads.h"
#include "lwp_priority.h"
#include "lwp_watchdog.h"
#include "lwp_wkspace.h"
#include "lwp_objmgr.h"
#include "lwp_config.h"
#include "libversion.h"

Include dependency graph for system.c:

Classes
struct	_sramcntrl
struct	_alarm_st
struct	_yay0header

Macros
#define	SYSMEM1_SIZE   0x01800000
#define	KERNEL_HEAP   (1*1024*1024)
#define	DSPCR_DSPRESET   0x0800
#define	DSPCR_DSPDMA   0x0200
#define	DSPCR_DSPINTMSK   0x0100
#define	DSPCR_DSPINT   0x0080
#define	DSPCR_ARINTMSK   0x0040
#define	DSPCR_ARINT   0x0020
#define	DSPCR_AIINTMSK   0x0010
#define	DSPCR_AIINT   0x0008
#define	DSPCR_HALT   0x0004
#define	DSPCR_PIINT   0x0002
#define	DSPCR_RES   0x0001
#define	LWP_OBJTYPE_SYSWD   7
#define	LWP_CHECK_SYSWD(hndl)
#define	_SHIFTL(v, s, w)   ((u32) (((u32)(v) & ((0x01 << (w)) - 1)) << (s)))
#define	_SHIFTR(v, s, w)   ((u32)(((u32)(v) >> (s)) & ((0x01 << (w)) - 1)))

Typedefs
typedef struct _alarm_st	alarm_st
typedef struct _yay0header	yay0header

Functions
struct _sramcntrl	ATTRIBUTE_ALIGN (32)
static void	__RSWDefaultHandler ()
void	__SYS_ReadROM (void *buf, u32 len, u32 offset)
void *	SYS_AllocArena1MemLo (u32 size, u32 align)
static s32	__sram_sync (void)
static s32	__sram_writecallback (s32 chn, s32 dev)
static s32	__mem_onreset (s32 final)
void	__lwp_thread_coreinit (void)
void	__lwp_sysinit (void)
void	__heap_init (void)
void	__exception_init (void)
void	__exception_closeall (void)
void	__systemcall_init (void)
void	__decrementer_init (void)
void	__lwp_mutex_init (void)
void	__lwp_cond_init (void)
void	__lwp_mqbox_init (void)
void	__lwp_sema_init (void)
void	__exi_init (void)
void	__si_init (void)
void	__irq_init (void)
void	__lwp_start_multitasking (void)
void	__timesystem_init (void)
void	__memlock_init (void)
void	__libc_init (int)
void	__libogc_malloc_lock (struct _reent *ptr)
void	__libogc_malloc_unlock (struct _reent *ptr)
void	__exception_console (void)
void	__exception_printf (const char *str,...)
void	__realmode (void *)
void	__configMEM1_24Mb (void)
void	__configMEM1_48Mb (void)
void	__configMEM2_64Mb (void)
void	__configMEM2_128Mb (void)
void	__reset (u32 reset_code)
u32	__IPC_ClntInit (void)
u32	__PADDisableRecalibration (s32 disable)
void	__console_init_ex (void *conbuffer, int tgt_xstart, int tgt_ystart, int tgt_stride, int con_xres, int con_yres, int con_stride)
int	clock_gettime (struct timespec *tp)
void	timespec_subtract (const struct timespec *tp_start, const struct timespec *tp_end, struct timespec *result)
int	__libogc_lock_init (int *lock, int recursive)
int	__libogc_lock_close (int *lock)
int	__libogc_lock_release (int *lock)
int	__libogc_lock_acquire (int *lock)
void	__libogc_exit (int status)
void *	__libogc_sbrk_r (struct _reent *ptr, ptrdiff_t incr)
int	__libogc_gettod_r (struct _reent *ptr, struct timeval *tp, struct timezone *tz)
static __inline__ alarm_st *	__lwp_syswd_open (syswd_t wd)
static __inline__ void	__lwp_syswd_free (alarm_st *alarm)
static bool	__stub_found ()
void	__reload ()
static void	__init_syscall_array ()
static alarm_st *	__lwp_syswd_allocate ()
static void	__sys_alarmhandler (void *arg)
static s32	__call_resetfuncs (s32 final)
static void	__MEMInterruptHandler ()
void *	__attribute__ ((weak))
static void	__memprotect_init ()
static __inline__ u32	__get_fontsize (void *buffer)
static u32	__read_rom (void *buf, u32 len, u32 offset)
static u32	__getrtc (u32 *gctime)
static u32	__sram_read (void *buffer)
static u32	__sram_write (void *buffer, u32 loc, u32 len)
void	__sram_init ()
static void	DisableWriteGatherPipe ()
static void	__buildchecksum (u16 *buffer, u16 *c1, u16 *c2)
static void *	__locksram (u32 loc)
static u32	__unlocksram (u32 write, u32 loc)
static u32	__read_font (void *buffer)
static void	__expand_font (const u8 *src, u8 *dest)
static void	__dsp_bootstrap ()
static void	__dsp_shutdown ()
static void	decode_szp (void *src, void *dest)
syssram *	__SYS_LockSram ()
syssramex *	__SYS_LockSramEx ()
u32	__SYS_UnlockSram (u32 write)
u32	__SYS_UnlockSramEx (u32 write)
u32	__SYS_SyncSram ()
u32	__SYS_GetRTC (u32 *gctime)
void	__SYS_SetTime (s64 time)
s64	__SYS_GetSystemTime ()
void	__SYS_SetBootTime ()
u32	__SYS_LoadFont (void *src, void *dest)
void	_V_EXPORTNAME (void)
void	__SYS_InitCallbacks ()
void	SYS_Init ()
void	SYS_PreMain ()
u32	SYS_ResetButtonDown ()
void	SYS_RegisterResetFunc (sys_resetinfo *info)
void	SYS_UnregisterResetFunc (sys_resetinfo *info)
void	SYS_SetArena1Lo (void *newLo)
void *	SYS_GetArena1Lo ()
void	SYS_SetArena1Hi (void *newHi)
void *	SYS_GetArena1Hi ()
u32	SYS_GetArena1Size ()
void	SYS_ProtectRange (u32 chan, void *addr, u32 bytes, u32 cntrl)
void *	SYS_AllocateFramebuffer (GXRModeObj *rmode)
	Allocate cacheline aligned memory for the external framebuffer based on the rendermode object. More...
u32	SYS_GetFontEncoding ()
u32	SYS_InitFont (sys_fontheader *font_data)
void	SYS_GetFontTexture (s32 c, void **image, s32 *xpos, s32 *ypos, s32 *width)
void	SYS_GetFontTexel (s32 c, void *image, s32 pos, s32 stride, s32 *width)
s32	SYS_CreateAlarm (syswd_t *thealarm)
	Create/initialize sysalarm structure. More...
s32	SYS_SetAlarm (syswd_t thealarm, const struct timespec *tp, alarmcallback cb, void *cbarg)
s32	SYS_SetPeriodicAlarm (syswd_t thealarm, const struct timespec *tp_start, const struct timespec *tp_period, alarmcallback cb, void *cbarg)
s32	SYS_RemoveAlarm (syswd_t thealarm)
	Remove the given alarm context from the list of contexts and destroy it. More...
s32	SYS_CancelAlarm (syswd_t thealarm)
	Cancel the alarm, but do not remove from the list of contexts. More...
resetcallback	SYS_SetResetCallback (resetcallback cb)
void	SYS_StartPMC (u32 mcr0val, u32 mcr1val)
void	SYS_StopPMC ()
void	SYS_ResetPMC ()
void	SYS_DumpPMC ()
void	SYS_SetWirelessID (u32 chan, u32 id)
u32	SYS_GetWirelessID (u32 chan)
u64	SYS_Time ()

Variables
u8	srambuf [64]
u32	offset
s32	enabled
s32	locked
s32	sync
static u16	sys_fontenc = 0xffff
static u32	sys_fontcharsinsheet = 0
static u8 *	sys_fontwidthtab = NULL
static u8 *	sys_fontimage = NULL
static sys_fontheader *	sys_fontdata = NULL
static lwp_queue	sys_reset_func_queue
static u32	system_initialized = 0
static lwp_objinfo	sys_alarm_objects
static void *	__sysarena1lo = NULL
static void *	__sysarena1hi = NULL
static resetcallback	__RSWCallback = NULL
static vu16 *const	_viReg = (u16*)0xCC002000
static vu32 *const	_piReg = (u32*)0xCC003000
static vu16 *const	_memReg = (u16*)0xCC004000
static vu16 *const	_dspReg = (u16*)0xCC005000
u8	__gxregs []
u8	__text_start []
u8	__isIPL []
u8	__Arena1Lo []
u8	__Arena1Hi []
u8 *	__argvArena1Lo = (u8*)0xdeadbeef
static u32	__sys_inIPL = (u32)__isIPL
static u32	_dsp_initcode []
static sys_resetinfo	mem_resetinfo
static const char *	__sys_versiondate
static const char *	__sys_versionbuild
static void(*	reload )() = (void(*)())0x80001800

Macro Definition Documentation

_SHIFTL

#define _SHIFTL	(		v,
			s,
			w
	)		((u32) (((u32)(v) & ((0x01 << (w)) - 1)) << (s)))

_SHIFTR

#define _SHIFTR	(		v,
			s,
			w
	)		((u32)(((u32)(v) >> (s)) & ((0x01 << (w)) - 1)))

DSPCR_AIINT

#define DSPCR_AIINT   0x0008

DSPCR_AIINTMSK

#define DSPCR_AIINTMSK   0x0010

DSPCR_ARINT

#define DSPCR_ARINT   0x0020

DSPCR_ARINTMSK

#define DSPCR_ARINTMSK   0x0040

DSPCR_DSPDMA

#define DSPCR_DSPDMA   0x0200

DSPCR_DSPINT

#define DSPCR_DSPINT   0x0080

DSPCR_DSPINTMSK

#define DSPCR_DSPINTMSK   0x0100

DSPCR_DSPRESET

#define DSPCR_DSPRESET   0x0800

DSPCR_HALT

#define DSPCR_HALT   0x0004

DSPCR_PIINT

#define DSPCR_PIINT   0x0002

DSPCR_RES

#define DSPCR_RES   0x0001

KERNEL_HEAP

#define KERNEL_HEAP   (1*1024*1024)

LWP_CHECK_SYSWD

#define LWP_CHECK_SYSWD

(

hndl

)

Value:

{                                   \
    if(((hndl)==SYS_WD_NULL) || (LWP_OBJTYPE(hndl)!=LWP_OBJTYPE_SYSWD)) \
        return NULL;                \
}

LWP_OBJTYPE_SYSWD

#define LWP_OBJTYPE_SYSWD   7

SYSMEM1_SIZE

#define SYSMEM1_SIZE   0x01800000

Typedef Documentation

alarm_st

typedef struct _alarm_st alarm_st

yay0header

typedef struct _yay0header yay0header

Function Documentation

__attribute__()

void* __attribute__

(

(weak)

)

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__buildchecksum()

static void __buildchecksum ( u16 *  buffer, u16 *  c1, u16 *  c2  )

static

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__call_resetfuncs()

static s32 __call_resetfuncs ( s32  final )

static

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__configMEM1_24Mb()

void __configMEM1_24Mb

(

void

)

__configMEM1_48Mb()

void __configMEM1_48Mb

(

void

)

__configMEM2_128Mb()

void __configMEM2_128Mb

(

void

)

__configMEM2_64Mb()

void __configMEM2_64Mb

(

void

)

__console_init_ex()

void __console_init_ex	(	void *	conbuffer,
		int	tgt_xstart,
		int	tgt_ystart,
		int	tgt_stride,
		int	con_xres,
		int	con_yres,
		int	con_stride
	)

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__decrementer_init()

void __decrementer_init

(

void

)

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__dsp_bootstrap()

static void __dsp_bootstrap ( )

static

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__dsp_shutdown()

static void __dsp_shutdown ( )

static

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__exception_closeall()

void __exception_closeall

(

void

)

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__exception_console()

void __exception_console

(

void

)

__exception_init()

void __exception_init

(

void

)

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__exception_printf()

void __exception_printf	(	const char *	str,
			...
	)

__exi_init()

void __exi_init

(

void

)

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__expand_font()

static void __expand_font ( const u8 *  src, u8 *  dest  )

static

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__get_fontsize()

static __inline__ u32 __get_fontsize ( void *  buffer )

static

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__getrtc()

static u32 __getrtc ( u32 *  gctime )

static

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__heap_init()

void __heap_init

(

void

)

__init_syscall_array()

static void __init_syscall_array ( )

static

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__IPC_ClntInit()

u32 __IPC_ClntInit

(

void

)

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__irq_init()

void __irq_init

(

void

)

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__libc_init()

void __libc_init

(

int

)

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__libogc_exit()

void __libogc_exit

(

int

status

)

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__libogc_gettod_r()

int __libogc_gettod_r	(	struct _reent *	ptr,
		struct timeval *	tp,
		struct timezone *	tz
	)

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__libogc_lock_acquire()

int __libogc_lock_acquire

(

int *

lock

)

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__libogc_lock_close()

int __libogc_lock_close

(

int *

lock

)

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__libogc_lock_init()

int __libogc_lock_init	(	int *	lock,
		int	recursive
	)

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__libogc_lock_release()

int __libogc_lock_release

(

int *

lock

)

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__libogc_malloc_lock()

void __libogc_malloc_lock

(

struct _reent *

ptr

)

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__libogc_malloc_unlock()

void __libogc_malloc_unlock

(

struct _reent *

ptr

)

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__libogc_sbrk_r()

void* __libogc_sbrk_r	(	struct _reent *	ptr,
		ptrdiff_t	incr
	)

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__locksram()

static void* __locksram ( u32  loc )

static

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__lwp_cond_init()

void __lwp_cond_init

(

void

)

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__lwp_mqbox_init()

void __lwp_mqbox_init

(

void

)

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__lwp_mutex_init()

void __lwp_mutex_init

(

void

)

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__lwp_sema_init()

void __lwp_sema_init

(

void

)

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__lwp_start_multitasking()

void __lwp_start_multitasking

(

void

)

__lwp_sysinit()

void __lwp_sysinit

(

void

)

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__lwp_syswd_allocate()

static alarm_st* __lwp_syswd_allocate ( )

static

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__lwp_syswd_free()

static __inline__ void __lwp_syswd_free ( alarm_st *  alarm )

static

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__lwp_syswd_open()

static __inline__ alarm_st* __lwp_syswd_open ( syswd_t  wd )

static

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__lwp_thread_coreinit()

void __lwp_thread_coreinit

(

void

)

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__mem_onreset()

static s32 __mem_onreset ( s32  final )

static

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__MEMInterruptHandler()

static void __MEMInterruptHandler ( )

static

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__memlock_init()

void __memlock_init

(

void

)

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__memprotect_init()

static void __memprotect_init ( )

static

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__PADDisableRecalibration()

u32 __PADDisableRecalibration

(

s32

disable

)

__read_font()

static u32 __read_font ( void *  buffer )

static

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__read_rom()

static u32 __read_rom ( void *  buf, u32  len, u32  offset  )

static

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__realmode()

void __realmode

(

void *

)

__reload()

void __reload

(

)

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__reset()

void __reset

(

u32

reset_code

)

__RSWDefaultHandler()

static void __RSWDefaultHandler ( )

static

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__si_init()

void __si_init

(

void

)

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__sram_init()

void __sram_init

(

)

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__sram_read()

static u32 __sram_read ( void *  buffer )

static

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__sram_sync()

static s32 __sram_sync ( void  )

static

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__sram_write()

static u32 __sram_write ( void *  buffer, u32  loc, u32  len  )

static

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__sram_writecallback()

static s32 __sram_writecallback ( s32  chn, s32  dev  )

static

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__stub_found()

static bool __stub_found ( )

static

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__sys_alarmhandler()

static void __sys_alarmhandler ( void *  arg )

static

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__SYS_GetRTC()

u32 __SYS_GetRTC

(

u32 *

gctime

)

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__SYS_GetSystemTime()

s64 __SYS_GetSystemTime

(

)

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__SYS_InitCallbacks()

void __SYS_InitCallbacks

(

)

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__SYS_LoadFont()

u32 __SYS_LoadFont	(	void *	src,
		void *	dest
	)

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__SYS_LockSram()

syssram* __SYS_LockSram

(

void

)

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__SYS_LockSramEx()

syssramex* __SYS_LockSramEx

(

void

)

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__SYS_ReadROM()

void __SYS_ReadROM	(	void *	buf,
		u32	len,
		u32	offset
	)

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__SYS_SetBootTime()

void __SYS_SetBootTime

(

)

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__SYS_SetTime()

void __SYS_SetTime

(

s64

time

)

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__SYS_SyncSram()

u32 __SYS_SyncSram

(

)

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__SYS_UnlockSram()

u32 __SYS_UnlockSram

(

u32

write

)

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__SYS_UnlockSramEx()

u32 __SYS_UnlockSramEx

(

u32

write

)

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__systemcall_init()

void __systemcall_init

(

void

)

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__timesystem_init()

void __timesystem_init

(

void

)

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__unlocksram()

static u32 __unlocksram ( u32  write, u32  loc  )

static

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_V_EXPORTNAME()

void _V_EXPORTNAME

(

void

)

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ATTRIBUTE_ALIGN()

struct _sramcntrl ATTRIBUTE_ALIGN

(

32

)

clock_gettime()

int clock_gettime

(

struct timespec *

tp

)

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decode_szp()

static void decode_szp ( void *  src, void *  dest  )

static

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DisableWriteGatherPipe()

static void DisableWriteGatherPipe ( )

static

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SYS_AllocArena1MemLo()

void * SYS_AllocArena1MemLo	(	u32	size,
		u32	align
	)

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SYS_AllocateFramebuffer()

void* SYS_AllocateFramebuffer

(

GXRModeObj *

rmode

)

Allocate cacheline aligned memory for the external framebuffer based on the rendermode object.

Parameters

[in]

rmode

pointer to the video/render mode configuration

Returns

pointer to the framebuffer's startaddress. NOTE: Address returned is aligned to a 32byte boundery!

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SYS_CancelAlarm()

s32 SYS_CancelAlarm

(

syswd_t

thealarm

)

Cancel the alarm, but do not remove from the list of contexts.

Parameters

[in]

thealarm

identifier to the alram context to be canceled

Returns

0 on succuess, non-zero on error

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SYS_CreateAlarm()

s32 SYS_CreateAlarm

(

syswd_t *

thealarm

)

Create/initialize sysalarm structure.

Parameters

[in]

thealarm

pointer to the handle to store the created alarm context identifier

Returns

0 on succuess, non-zero on error

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SYS_DumpPMC()

void SYS_DumpPMC

(

)

SYS_GetArena1Hi()

void* SYS_GetArena1Hi

(

)

SYS_GetArena1Lo()

void* SYS_GetArena1Lo

(

)

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SYS_GetArena1Size()

u32 SYS_GetArena1Size

(

)

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SYS_GetFontEncoding()

u32 SYS_GetFontEncoding

(

)

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SYS_GetFontTexel()

void SYS_GetFontTexel	(	s32	c,
		void *	image,
		s32	pos,
		s32	stride,
		s32 *	width
	)

SYS_GetFontTexture()

void SYS_GetFontTexture	(	s32	c,
		void **	image,
		s32 *	xpos,
		s32 *	ypos,
		s32 *	width
	)

SYS_GetWirelessID()

u32 SYS_GetWirelessID

(

u32

chan

)

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SYS_Init()

void SYS_Init

(

)

Deprecated:

Performs basic system initialization such as EXI init etc. This function is called from within the crt0 startup code.

Returns

none

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SYS_InitFont()

u32 SYS_InitFont

(

sys_fontheader *

font_data

)

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SYS_PreMain()

void SYS_PreMain

(

)

SYS_ProtectRange()

void SYS_ProtectRange	(	u32	chan,
		void *	addr,
		u32	bytes,
		u32	cntrl
	)

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SYS_RegisterResetFunc()

void SYS_RegisterResetFunc

(

sys_resetinfo *

info

)

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SYS_RemoveAlarm()

s32 SYS_RemoveAlarm

(

syswd_t

thealarm

)

Remove the given alarm context from the list of contexts and destroy it.

Parameters

[in]

thealarm

identifier to the alarm context to be removed and destroyed

Returns

0 on succuess, non-zero on error

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SYS_ResetButtonDown()

u32 SYS_ResetButtonDown

(

)

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SYS_ResetPMC()

void SYS_ResetPMC

(

)

SYS_SetAlarm()

s32 SYS_SetAlarm	(	syswd_t	thealarm,
		const struct timespec *	tp,
		alarmcallback	cb,
		void *	cbarg
	)

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SYS_SetArena1Hi()

void SYS_SetArena1Hi

(

void *

newHi

)

SYS_SetArena1Lo()

void SYS_SetArena1Lo

(

void *

newLo

)

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SYS_SetPeriodicAlarm()

s32 SYS_SetPeriodicAlarm	(	syswd_t	thealarm,
		const struct timespec *	tp_start,
		const struct timespec *	tp_period,
		alarmcallback	cb,
		void *	cbarg
	)

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SYS_SetResetCallback()

resetcallback SYS_SetResetCallback

(

resetcallback

cb

)

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SYS_SetWirelessID()

void SYS_SetWirelessID	(	u32	chan,
		u32	id
	)

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SYS_StartPMC()

void SYS_StartPMC	(	u32	mcr0val,
		u32	mcr1val
	)

SYS_StopPMC()

void SYS_StopPMC

(

)

SYS_Time()

u64 SYS_Time

(

)

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SYS_UnregisterResetFunc()

void SYS_UnregisterResetFunc

(

sys_resetinfo *

info

)

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timespec_subtract()

void timespec_subtract	(	const struct timespec *	tp_start,
		const struct timespec *	tp_end,
		struct timespec *	result
	)

Variable Documentation

__Arena1Hi

u8 __Arena1Hi[]

__Arena1Lo

u8 __Arena1Lo[]

__argvArena1Lo

u8* __argvArena1Lo = (u8*)0xdeadbeef

__gxregs

u8 __gxregs[]

__isIPL

u8 __isIPL[]

__RSWCallback

resetcallback __RSWCallback = NULL

static

__sys_inIPL

u32 __sys_inIPL = (u32)__isIPL

static

__sys_versionbuild

const char* __sys_versionbuild

static

__sys_versiondate

const char* __sys_versiondate

static

__sysarena1hi

void* __sysarena1hi = NULL

static

__sysarena1lo

void* __sysarena1lo = NULL

static

__text_start

u8 __text_start[]

_dsp_initcode

u32 _dsp_initcode[]

static

Initial value:

=
{
    0x029F0010,0x029F0033,0x029F0034,0x029F0035,
    0x029F0036,0x029F0037,0x029F0038,0x029F0039,
    0x12061203,0x12041205,0x00808000,0x0088FFFF,
    0x00841000,0x0064001D,0x02180000,0x81001C1E,
    0x00441B1E,0x00840800,0x00640027,0x191E0000,
    0x00DEFFFC,0x02A08000,0x029C0028,0x16FC0054,
    0x16FD4348,0x002102FF,0x02FF02FF,0x02FF02FF,
    0x02FF02FF,0x00000000,0x00000000,0x00000000
}

_dspReg

vu16* const _dspReg = (u16*)0xCC005000

static

_memReg

vu16* const _memReg = (u16*)0xCC004000

static

_piReg

vu32* const _piReg = (u32*)0xCC003000

static

_viReg

vu16* const _viReg = (u16*)0xCC002000

static

enabled

s32 enabled

locked

s32 locked

mem_resetinfo

sys_resetinfo mem_resetinfo

static

Initial value:

= {
    {},
    __mem_onreset,
    127
}

offset

u32 offset

reload

void(* reload) () = (void(*)())0x80001800

static

srambuf

u8 srambuf[64]

sync

s32 sync

sys_alarm_objects

lwp_objinfo sys_alarm_objects

static

sys_fontcharsinsheet

u32 sys_fontcharsinsheet = 0

static

sys_fontdata

sys_fontheader* sys_fontdata = NULL

static

sys_fontenc

u16 sys_fontenc = 0xffff

static

sys_fontimage

u8* sys_fontimage = NULL

static

sys_fontwidthtab

u8* sys_fontwidthtab = NULL

static

sys_reset_func_queue

lwp_queue sys_reset_func_queue

static

system_initialized

u32 system_initialized = 0

static