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https://github.com/wiidev/usbloadergx.git
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153 lines
3.0 KiB
C
153 lines
3.0 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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#define TITLE_1(x) ((u8)((x) >> 8))
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#define TITLE_2(x) ((u8)((x) >> 16))
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#define TITLE_3(x) ((u8)((x) >> 24))
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#define TITLE_4(x) ((u8)((x) >> 32))
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#define TITLE_5(x) ((u8)((x) >> 40))
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#define TITLE_6(x) ((u8)((x) >> 48))
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#define TITLE_7(x) ((u8)((x) >> 56))
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#define TITLE_ID(x,y) (((u64)(x) << 32) | (y))
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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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u32 tmdsize;
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u64 tid = 0;
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u64 *list;
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u32 titlecount;
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s32 ret;
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u32 i;
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ret = ES_GetNumTitles(&titlecount);
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if(ret < 0)
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return WII_EINTERNAL;
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list = memalign(32, titlecount * sizeof(u64) + 32);
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ret = ES_GetTitles(list, titlecount);
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if(ret < 0) {
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free(list);
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return WII_EINTERNAL;
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}
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for(i=0; i<titlecount; i++) {
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if (list[i]==reqID)
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{
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tid = list[i];
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break;
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}
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}
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free(list);
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if(!tid)
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return -69;//id to stub is not installed
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if(ES_GetStoredTMDSize(tid, &tmdsize) < 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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