int pspDecompress(const u8 *inbuf, u8 *outbuf, u32 outcapacity)
{
	int k1 = pspSdkSetK1(0);
	int retsize;
	
	if (inbuf[0] == 0x1F && inbuf[1] == 0x8B)
	{
		retsize = sceKernelGzipDecompress(outbuf, outcapacity, inbuf, NULL);
	}
	else if (memcmp(inbuf, "2RLZ", 4) == 0) // 2RLZ
	{
		u32 arg[4];

		arg[0] = (u32)outbuf;
		arg[1] = outcapacity;
		arg[2] = (u32)(inbuf+4);
		arg[3] = 0;
		
		retsize = sceKernelExtendKernelStack(0x2000, (void *)sceKernelLzrcDecode_, arg);
	}
	else
	{
		retsize = -1;
	}

	pspSdkSetK1(k1);
	return retsize;
}

	else if (memcmp(inbuf, "2RLZ", 4) == 0) // 2RLZ
	{
		u32 arg[4];

		arg[0] = (u32)outbuf;
		arg[1] = outcapacity;
		arg[2] = (u32)(inbuf+4);
		arg[3] = 0;
		
		retsize = sceKernelExtendKernelStack(0x2000, (void *)sceKernelLzrcDecode_, arg);
	}