mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-18 01:09:16 +01:00
115 lines
2.4 KiB
C++
115 lines
2.4 KiB
C++
//functions for manipulating the HBC stub by giantpune
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#include <string.h>
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#include <ogcsys.h>
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#include <malloc.h>
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#include <stdio.h>
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#include "lstub.h"
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#include "stub_bin.h"
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#include "gecko.h"
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#include "wad/nandtitle.h"
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static char* determineStubTIDLocation()
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{
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u32 *stubID = ( u32* )0x80001818;
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//HBC stub 1.0.6 and lower, and stub.bin
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if ( stubID[ 0 ] == 0x480004c1 && stubID[ 1 ] == 0x480004f5 )
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return ( char * )0x800024C6;
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//HBC stub changed @ version 1.0.7. this file was last updated for HBC 1.0.8
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else if ( stubID[ 0 ] == 0x48000859 && stubID[ 1 ] == 0x4800088d )
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return ( char * )0x8000286A;
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//hexdump( stubID, 0x20 );
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return NULL;
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}
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s32 Set_Stub( u64 reqID )
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{
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if ( titles.IndexOf( reqID ) < 0 )
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return WII_EINSTALL;
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char *stub = determineStubTIDLocation();
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if ( !stub )
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return -68;
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stub[0] = TITLE_7( reqID );
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stub[1] = TITLE_6( reqID );
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stub[8] = TITLE_5( reqID );
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stub[9] = TITLE_4( reqID );
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stub[4] = TITLE_3( reqID );
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stub[5] = TITLE_2( reqID );
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stub[12] = TITLE_1( reqID );
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stub[13] = ( ( u8 )( reqID ) );
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DCFlushRange( stub, 0x10 );
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return 1;
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}
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s32 Set_Stub_Split( u32 type, const char* reqID )
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{
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char tmp[4];
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u32 lower;
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sprintf( tmp, "%c%c%c%c", reqID[0], reqID[1], reqID[2], reqID[3] );
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memcpy( &lower, tmp, 4 );
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u64 reqID64 = TITLE_ID( type, lower );
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return Set_Stub( reqID64 );
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}
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void loadStub()
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{
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char *stubLoc = ( char * )0x80001800;
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memcpy( stubLoc, stub_bin, stub_bin_size );
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DCFlushRange( stubLoc, stub_bin_size );
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}
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u64 getStubDest()
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{
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if ( !hbcStubAvailable() )
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return 0;
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char ret[ 8 ];
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u64 retu = 0;
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char *stub = determineStubTIDLocation();
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if ( !stub )
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return 0;
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ret[0] = stub[0];
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ret[1] = stub[1];
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ret[2] = stub[8];
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ret[3] = stub[9];
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ret[4] = stub[4];
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ret[5] = stub[5];
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ret[6] = stub[12];
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ret[7] = stub[13];
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memcpy( &retu, ret, 8 );
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return retu;
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}
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u8 hbcStubAvailable()
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{
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char * sig = ( char * )0x80001804;
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return (
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sig[0] == 'S' &&
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sig[1] == 'T' &&
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sig[2] == 'U' &&
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sig[3] == 'B' &&
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sig[4] == 'H' &&
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sig[5] == 'A' &&
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sig[6] == 'X' &&
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sig[7] == 'X' ) ? 1 : 0;
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}
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