libosd.c File Reference

#include <kernel.h>
#include <syscallnr.h>
#include <osd_config.h>

Include dependency graph for libosd.c:

Go to the source code of this file.

Data Structures
struct	SyscallData

Functions
void	InitExecPS2 (void)

Variables
unsigned char	osdsrc []
unsigned int	size_osdsrc
static struct SyscallData	SyscallPatchEntries []

Detailed Description

libosd - ExecPS2 update.

Applicable to only the SCPH-10000 and SCPH-15000. Both contain either boot ROM v1.00 or v1.01. This is the "lite" libosd update will replace only ExecPS2, as done by games.

Definition in file libosd.c.

Function Documentation

InitExecPS2()

void InitExecPS2

(

void

)

Definition at line 47 of file libosd.c.

                      {
        unsigned int i;
 
        if(PatchIsNeeded()){
                setup(SyscallPatchEntries[0].syscall_num, SyscallPatchEntries[0].function);
                Copy((unsigned int*)0x80074000, (unsigned int*)osdsrc, size_osdsrc);
 
                FlushCache(0);
                FlushCache(2);
                setup(SyscallPatchEntries[1].syscall_num, SyscallPatchEntries[1].function);
 
                for(i=2; i<3; i++){
                        setup(SyscallPatchEntries[i].syscall_num, GetEntryAddress(SyscallPatchEntries[i].syscall_num));
                }
        }
}

References Copy(), FlushCache(), GetEntryAddress(), osdsrc, PatchIsNeeded(), setup(), size_osdsrc, SyscallData::syscall_num, and SyscallPatchEntries.

Variable Documentation

osdsrc

unsigned char osdsrc[]

extern

Referenced by InitExecPS2().

size_osdsrc

unsigned int size_osdsrc

extern

Referenced by InitExecPS2().

SyscallPatchEntries

struct SyscallData SyscallPatchEntries[]

static

Initial value:

={
        {
                0x5A,
                &kCopy
        },
        {
                0x5B,
                (void*)0x80074000
        },
        {
                
                0xFFFFC402,     
                NULL
        },
}

Definition at line 24 of file libosd.c.

Referenced by InitExecPS2().