source/uLaunchELF/timer.c

#include "launchelf.h"

// Timer Define
#define T0_COUNT ((volatile unsigned long*)0x10000000) 
#define T0_MODE  ((volatile unsigned long*)0x10000010) 

static int TimerInterruptID = -1;
static u64 TimerInterruptCount = 0;

// Timer Interrupt
int TimerInterrupt(int a)
{
        TimerInterruptCount++;
        *T0_MODE |= (1 << 11);
        return -1;
}
// Timer Init
void TimerInit(void)
{
        *T0_MODE = 0x0000;
        TimerInterruptID = AddIntcHandler(9, TimerInterrupt, 0);
        EnableIntc(9);
        *T0_COUNT = 0;
        *T0_MODE = ( 2 << 0 )+( 1 << 7 )+( 1 << 9 );
        TimerInterruptCount = 0;
}
// Timer Count
u64 Timer(void)
{
        u64 ticks = (*T0_COUNT + (TimerInterruptCount << 16)) * (1000.0F / ( 147456000.0F / 256.0F ));
        return ticks;
}
// Timer End
void TimerEnd(void)
{
        *T0_MODE = 0x0000;
        if (TimerInterruptID >= 0){
                DisableIntc(9);
                RemoveIntcHandler(9, TimerInterruptID);
                TimerInterruptID = -1;
        }
        TimerInterruptCount = 0;
}
Revision:	1101
Committed:	Wed Feb 7 05:08:54 2018 UTC (7 years, 8 months ago) by iritscen
Content type:	text/x-csrc
File size:	943 byte(s)
Log Message:	Added following to ps2launchargs:\n-Source code.\n-DLL needed to run ps2client.\n-Instructions for building uLaunchELF.
#	Content
1	#include "launchelf.h"
2
3	// Timer Define
4	#define T0_COUNT ((volatile unsigned long*)0x10000000)
5	#define T0_MODE ((volatile unsigned long*)0x10000010)
6
7	static int TimerInterruptID = -1;
8	static u64 TimerInterruptCount = 0;
9
10	// Timer Interrupt
11	int TimerInterrupt(int a)
12	{
13	TimerInterruptCount++;
14	*T0_MODE \|= (1 << 11);
15	return -1;
16	}
17	// Timer Init
18	void TimerInit(void)
19	{
20	*T0_MODE = 0x0000;
21	TimerInterruptID = AddIntcHandler(9, TimerInterrupt, 0);
22	EnableIntc(9);
23	*T0_COUNT = 0;
24	*T0_MODE = ( 2 << 0 )+( 1 << 7 )+( 1 << 9 );
25	TimerInterruptCount = 0;
26	}
27	// Timer Count
28	u64 Timer(void)
29	{
30	u64 ticks = (T0_COUNT + (TimerInterruptCount << 16)) (1000.0F / ( 147456000.0F / 256.0F ));
31	return ticks;
32	}
33	// Timer End
34	void TimerEnd(void)
35	{
36	*T0_MODE = 0x0000;
37	if (TimerInterruptID >= 0){
38	DisableIntc(9);
39	RemoveIntcHandler(9, TimerInterruptID);
40	TimerInterruptID = -1;
41	}
42	TimerInterruptCount = 0;
43	}