mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-07-01 23:46:08 +02:00
101 lines
2.2 KiB
C++
101 lines
2.2 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 "filelist.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) 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 (NandTitles.IndexOf(reqID) < 0) return WII_EINSTALL;
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char *stub = determineStubTIDLocation();
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if (!stub) 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()) 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) 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 (sig[0] == 'S' && sig[1] == 'T' && sig[2] == 'U' && sig[3] == 'B' && sig[4] == 'H' && sig[5] == 'A'
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&& sig[6] == 'X' && sig[7] == 'X') ? 1 : 0;
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}
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