kernel.c

#include "main.h"

extern NTR_CONFIG      *ntrConfig;
extern BOOTNTR_CONFIG  *bnConfig;
extern u8               *tmpBuffer;

typedef struct
{
	void(*invalidateDataCache)(void *, u32);
	void(*storeDataCache)(void *, u32);
	void(*flushDataCache)(void *, u32);
	void(*flushInstructionCache)(void *, u32);
} dbgKernelCacheInterface;

dbgKernelCacheInterface cacheInterface_NEW81 =
{
	//for new 3ds 8.1
	(void*)0xFFF24C9C,
	(void*)0xFFF1CF7C,
	(void*)0xFFF1CCA0,
	(void*)0xFFF1F04C
};

dbgKernelCacheInterface cacheInterface_NEW92 =
{
	//for new 3ds 9.2
	(void*)0xFFF25768,
	(void*)0xFFF1D9D4,
	(void*)0xFFF1D67C,
	(void*)0xFFF1FEEC
};

dbgKernelCacheInterface cacheInterface_NEW95 =
{
	//for new 3ds 9.5
	(void*)0xFFF25BD8,
	(void*)0xFFF1D9AC,
	(void*)0xFFF1D654,
	(void*)0xFFF1FCE8
};

dbgKernelCacheInterface cacheInterface_NEW96 =
{
	//for new3ds 9.6
	(void*)0xFFF25C24,
	(void*)0xFFF1D9D4,
	(void*)0xFFF1D67C,
	(void*)0xFFF1FD10
};

dbgKernelCacheInterface cacheInterface_NEW102 =
{
	//for new3ds 10.2
	(void*)0xFFF25BFC,
	(void*)0xFFF1D9AC,
	(void*)0xFFF1D654,
	(void*)0xFFF1FCE8
};

dbgKernelCacheInterface cacheInterface_NEW110 =
{
	//for new 3ds 11.0
	(void*)0xFFF26174,
	(void*)0xFFF1DEF0,
	(void*)0xFFF1DB98,
	(void*)0xFFF2022C
};

dbgKernelCacheInterface cacheInterface_NEW111 =
{
	//for new 3ds 11.1
	(void*)0xFFF261F0,
	(void*)0xFFF1DF6C,
	(void*)0xFFF1DC14,
	(void*)0xFFF202A8
};

dbgKernelCacheInterface cacheInterface_NEW112 =
{
    //for new 3ds 11.2
    (void*)0xFFF26210, 
    (void*)0xFFF1DF8C,
    (void*)0xFFF1DC34,
    (void*)0xFFF202C8
};

dbgKernelCacheInterface cacheInterface_NEW113 = 
{
	//for new 3ds 11.3
	(void*)0XFFF27400,
	(void*)0XFFF1E15C,
	(void*)0XFFF1DE04,
	(void*)0XFFF20498
};

dbgKernelCacheInterface cacheInterface_NEW114 =
{
	//for new 3ds 11.4
	(void*)0xFFF27480,
	(void*)0xFFF1E1DC,
	(void*)0xFFF1DE84,
	(void*)0xFFF20518
};

dbgKernelCacheInterface cacheInterface_Old90 =
{
	//for old 3ds 9.0
	(void*)0xFFF24B54,
	(void*)0xFFF1CC5C,
	(void*)0xFFF1C9F4,
	(void*)0xFFF1F47C
};

dbgKernelCacheInterface cacheInterface_Old96 =
{
	//for old 3ds 9.6
	(void*)0xFFF24FF0,
	(void*)0xFFF1CF98,
	(void*)0xFFF1CD30,
	(void*)0xFFF1F748
};

dbgKernelCacheInterface cacheInterface_Old110 =
{
	//for old 3ds 11.0
	(void*)0xFFF2552C,
	(void*)0xFFF1D758,
	(void*)0xFFF1D4F0,
	(void*)0xFFF1FC50
};

dbgKernelCacheInterface cacheInterface_Old111 =
{
	//for old 3ds 11.1
	(void*)0xFFF255A8,
	(void*)0xFFF1D7D4,
	(void*)0xFFF1D56C,
	(void*)0xFFF1FCCC
};

dbgKernelCacheInterface cacheInterface_Old112 =
{
    //for old 3ds 11.2
    (void*)0xFFF255C8,
    (void*)0xFFF1D7F4,
    (void*)0xFFF1D58C,
    (void*)0xFFF1FCEC
};

dbgKernelCacheInterface cacheInterface_Old113 = 
{
	//for old 3ds 11.3
	(void*)0xFFF257D0,
	(void*)0xFFF1D9DC,
	(void*)0xFFF1D774,
	(void*)0xFFF1FED4
};

dbgKernelCacheInterface cacheInterface_Old114 =
{
	//for old 3ds 11.4
	(void*)0xFFF25850,
	(void*)0xFFF1DA5C,
	(void*)0xFFF1D7F4,
	(void*)0xFFF1FF54
};

void    kernelCallback(void)
{
	u32							svc_patch_addr = bnConfig->SvcPatchAddr;
	u32							firmVersion = ntrConfig->firmVersion;
	u32							isNew3DS = ntrConfig->isNew3DS;
	dbgKernelCacheInterface		*cache = NULL;

	if (isNew3DS)
	{
		if (firmVersion == SYSTEM_VERSION(8, 1, 0))
			cache = &cacheInterface_NEW81;
		else if (firmVersion == SYSTEM_VERSION(9, 2, 0))
			cache = &cacheInterface_NEW92;
		else if (firmVersion == SYSTEM_VERSION(9, 5, 0))
			cache = &cacheInterface_NEW95;
		else if (firmVersion == SYSTEM_VERSION(9, 6, 0))
			cache = &cacheInterface_NEW96;
		else if (firmVersion == SYSTEM_VERSION(10, 2, 0))
			cache = &cacheInterface_NEW102;
		else if (firmVersion == SYSTEM_VERSION(11, 0, 0))
			cache = &cacheInterface_NEW110;
		else if (firmVersion == SYSTEM_VERSION(11, 1, 0))
			cache = &cacheInterface_NEW111;
        else if (firmVersion == SYSTEM_VERSION(11, 2, 0))
            cache = &cacheInterface_NEW112;
        else if (firmVersion == SYSTEM_VERSION(11, 3, 0))
        	cache = &cacheInterface_NEW113;
        else if (firmVersion == SYSTEM_VERSION(11, 4, 0))
        	cache = &cacheInterface_NEW114;
	}
	else
	{
		if (firmVersion == SYSTEM_VERSION(9, 0, 0))
			cache = &cacheInterface_Old90;
		else if (firmVersion == SYSTEM_VERSION(9, 6, 0))
			cache = &cacheInterface_Old96;
		else if (firmVersion == SYSTEM_VERSION(11, 0, 0))
			cache = &cacheInterface_Old110;
		else if (firmVersion == SYSTEM_VERSION(11, 1, 0))
			cache = &cacheInterface_Old111;
        else if (firmVersion == SYSTEM_VERSION(11, 2, 0))
            cache = &cacheInterface_Old112;
        else if (firmVersion == SYSTEM_VERSION(11, 3, 0))
            cache = &cacheInterface_Old113;
        else if (firmVersion == SYSTEM_VERSION(11, 4, 0))
            cache = &cacheInterface_Old114;
	}
	*(int *)(svc_patch_addr + 8) = 0xE1A00000; //NOP
	*(int *)(svc_patch_addr) = 0xE1A00000; //NOP
	kFlushDataCache((void *)svc_patch_addr, 0x10);//
	if (cache)
	{
		cache->invalidateDataCache((void *)svc_patch_addr, 0x10);//
		cache->flushInstructionCache((void *)(svc_patch_addr - 0xDFF80000 + 0xFFF00000), 0x10);//
	}
}