alarm.c

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#include <kernel.h>
#include <stdio.h>
 
struct SyscallData{
        int syscall;
        void *function;
};
 
static const struct SyscallData SysEntry[]={
        {0x5A, &kCopy},
        {0x5B, (void*)0x80076000},
        {0xFC, NULL},   //SetAlarm
        {0xFD, NULL},   //iSetAlarm
        {0xFE, NULL},   //ReleaseAlarm
        {0xFF, NULL},   //iReleaseAlarm
        {0x12C, NULL},  //Intc12Handler (overwrites INTC 12 handler entry)
        {0x08, NULL},   //ResumeIntrDispatch (Syscall #8)
};
 
extern unsigned char srcfile[];
extern unsigned int size_srcfile;
 
extern unsigned char eenull[];
extern unsigned int size_eenull;
 
void InitAlarm(void)
{
        int i;
 
        setup(SysEntry[0].syscall, SysEntry[0].function);
        Copy((void*)0x80076000, srcfile, size_srcfile);
        Copy((void*)0x00082000, eenull, size_eenull);
        FlushCache(0);
        FlushCache(2);
        setup(SysEntry[1].syscall, SysEntry[1].function);
 
        for(i=2; i<8; i++)
                setup(SysEntry[i].syscall, GetEntryAddress(SysEntry[i].syscall));
}