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- Now launching Neek2o via Crediar's ES_ImportBoot2 patch (thanks to Cyan)

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Fledge68 2021-10-13 15:17:20 -05:00
parent 30452862cc
commit 62126f6ecf
3 changed files with 42 additions and 2246 deletions
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out/boot.dol
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source/loader/armboot.h
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source/loader/nk.c
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@ -27,14 +27,17 @@
#include <ogcsys.h>
#include <string.h>
#include <malloc.h>
#include <ogc/machine/processor.h>
#include "nk.h"
#include "sys.h"
#include "armboot.h"
#include "fileOps/fileOps.h"
#include "memory/mem2.hpp"
#include "gecko/gecko.hpp"
#define MEM_REG_BASE 0xd8b4000
#define MEM_PROT (MEM_REG_BASE + 0x20a)
u32 kernelSize = 0;
void *Kernel = NULL;
@ -84,21 +87,44 @@ s32 Launch_nk(u64 TitleID, const char *nandpath, u64 ReturnTo)
DCFlushRange((void *)(0x81200000), sizeof(memcfg));
free(MC);
/*** Thnx giantpune! ***/
void *mini = MEM1_memalign(32, armboot_size);
if(!mini)
return 0;
// uses bootmii mini to run wiiflow internal armboot.bin for neek2o
memcpy(mini, armboot, armboot_size);
DCFlushRange(mini, armboot_size);
*(u32*)0xc150f000 = 0x424d454d;//BMEM
asm volatile("eieio");
*(u32*)0xc150f004 = MEM_VIRTUAL_TO_PHYSICAL(mini);
asm volatile("eieio");
IOS_ReloadIOS(0xfe);// IOS254 bootmii
MEM1_free(mini);
return 1;
/** boot mini without BootMii IOS code by Crediar. **/
write32(MEM_PROT, read32(MEM_PROT) & 0x0000FFFF);
unsigned int i = 0x939F02F0;
unsigned char ES_ImportBoot2[16] =
{ 0x68, 0x4B, 0x2B, 0x06, 0xD1, 0x0C, 0x68, 0x8B, 0x2B, 0x00, 0xD1, 0x09, 0x68, 0xC8, 0x68, 0x42 };
if( memcmp( (void*)(i), ES_ImportBoot2, sizeof(ES_ImportBoot2) ) != 0 )
for( i = 0x939F0000; i < 0x939FE000; i+=4 )
if( memcmp( (void*)(i), ES_ImportBoot2, sizeof(ES_ImportBoot2) ) == 0 )
break;
if(i >= 0x939FE000)
{
gprintf("ES_ImportBoot2 not patched !! Exiting...\n");
//SYS_ResetSystem( SYS_RETURNTOMENU, 0, 0 );
return -1;
}
DCInvalidateRange( (void*)i, 0x20 );
*(vu32*)(i+0x00) = 0x48034904; // LDR R0, 0x10, LDR R1, 0x14
*(vu32*)(i+0x04) = 0x477846C0; // BX PC, NOP
*(vu32*)(i+0x08) = 0xE6000870; // SYSCALL
*(vu32*)(i+0x0C) = 0xE12FFF1E; // BLR
*(vu32*)(i+0x10) = 0x11000000; // kernel offset from 0x80000000. Kernel loaded to (void *)0x91000000
*(vu32*)(i+0x14) = 0x0000FF01; // version
DCFlushRange( (void*)i, 0x20 );
__IOS_ShutdownSubsystems();
s32 fd = IOS_Open( "/dev/es", 0 );
u8 *buffer = (u8*)memalign( 32, 0x100 );
memset( buffer, 0, 0x100 );
IOS_IoctlvAsync( fd, 0x1F, 0, 0, (ioctlv*)buffer, NULL, NULL );
return 0;
}
/*
void NKKeyCreate(u8 *tik)