C++ (Cpp) exynos_smc_read_oemflagの例

コード例 #1

static long tzic_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
	int ret = 0;

	ret = gotoCpu0();
	if (0 != ret) {
		LOG(KERN_INFO "changing core failed!");
		return -1;
	}

	if (cmd == TZIC_IOCTL_SET_FUSE_REQ) {
		LOG(KERN_INFO "set_fuse");
		exynos_smc1(SMC_CMD_STORE_BINFO, 0x80010001, 0, 0);
		exynos_smc1(SMC_CMD_STORE_BINFO, 0x00000001, 0, 0);
	} else if (cmd == TZIC_IOCTL_GET_FUSE_REQ) {
		LOG(KERN_INFO "get_fuse");
#if defined(CONFIG_FELICA)
		exynos_smc_read_oemflag(0x80010001, (u32 *) arg);
#else
		LOG(KERN_INFO "get_fuse not supported : CONFIG_FELICA");
#endif
	} else {
		LOG(KERN_INFO "command error");
	}

	gotoAllCpu();

	return 0;
}

コード例 #2

ファイル: tzic.c プロジェクト: BigBot96/android_kernel_samsung_gts2wifi

int tzic_get_tamper_flag(void)
{
	u32 arg;
	exynos_smc_read_oemflag(0x80010001, &arg);
	return arg;
}

コード例 #3

ファイル: tzic.c プロジェクト: BigBot96/android_kernel_samsung_gts2wifi

static long tzic_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
	int ret = 0;
	t_flag param;

	ret = gotoCpu0();
	if (0 != ret) {
		LOG(KERN_INFO "[oemflag]changing core failed!\n");
		return -1;
	}
	LOG(KERN_INFO "[oemflag]CPU 0\n");
	switch(cmd){
		case TZIC_IOCTL_SET_FUSE_REQ:
			LOG(KERN_INFO "[oemflag]set_fuse\n");
			exynos_smc1(SMC_CMD_STORE_BINFO, 0x80010001, 0, 0);
			exynos_smc1(SMC_CMD_STORE_BINFO, 0x00000001, 0, 0);
			goto return_default;
		break;

		case TZIC_IOCTL_GET_FUSE_REQ:
			LOG(KERN_INFO "[oemflag]get_fuse\n");
			exynos_smc_read_oemflag(0x80010001, (u32 *) arg);
			goto return_default;
		break;

		case TZIC_IOCTL_SET_FUSE_REQ_NEW:
			LOG(KERN_INFO "[oemflag]set_fuse\n");
			ret=copy_from_user( &param, (void *)arg, sizeof(param) );
			if(ret) {
				LOG(KERN_INFO "[oemflag]ERROR copy from user\n");
				goto return_new_from;
			}
			if ((OEMFLAG_MIN_FLAG < param.name) && (param.name < OEMFLAG_NUM_OF_FLAG)){
				LOG(KERN_INFO "[oemflag]set_fuse_name : %d\n", param.name);
				exynos_smc_new(0x83000004, 0, param.name, 0);
				goto return_new_to;
			} else {
				LOG(KERN_INFO "[oemflag]command error\n");
				param.value = -1;
				goto return_new_to;
			}
		break;

		case TZIC_IOCTL_GET_FUSE_REQ_NEW:
			LOG(KERN_INFO "[oemflag]get_fuse\n");
			ret=copy_from_user( &param, (void *)arg, sizeof(param) );
			if(ret) {
				LOG(KERN_INFO "[oemflag]ERROR copy from user\n");
				goto return_new_from;
			}
			if ((OEMFLAG_MIN_FLAG < param.name) && (param.name < OEMFLAG_NUM_OF_FLAG)){
				LOG(KERN_INFO "[oemflag]get_fuse_name : %d\n", param.name);
				exynos_smc_read_oemflag_new(param.name, &param.value) ;
				LOG(KERN_INFO "[oemflag]get_oemflag_value : %d\n", param.value);
				goto return_new_to;
			} else {
				LOG(KERN_INFO "[oemflag]command error\n");
				param.value = -1;
				goto return_new_to;
			}
		break;

		default:
			LOG(KERN_INFO "[oemflag]command error\n");
			param.value = -1;
			goto return_new_to;
	}

 return_default:
	gotoAllCpu();
	LOG(KERN_INFO "[oemflag]ALL CPU (default)\n");
	return 0;
 return_new_from:
	gotoAllCpu();
	LOG(KERN_INFO "[oemflag]ALL CPU (new_from)\n");
	return copy_from_user( &param, (void *)arg, sizeof(param) );
 return_new_to:
	gotoAllCpu();
	LOG(KERN_INFO "[oemflag]ALL CPU (new_to)\n");
	return copy_to_user( (void *)arg, &param, sizeof(param) );
}