Exemplos de _fdt_get_status em C++ (Cpp)

Exemplo n.º 1

Arquivo: dt.c Projeto: OP-TEE/optee_os

void _fdt_fill_device_info(void *fdt, struct dt_node_info *info, int offs)
{
	struct dt_node_info dinfo = {
		.reg = DT_INFO_INVALID_REG,
		.clock = DT_INFO_INVALID_CLOCK,
		.reset = DT_INFO_INVALID_RESET,
	};
	const fdt32_t *cuint;

	dinfo.reg = _fdt_reg_base_address(fdt, offs);

	cuint = fdt_getprop(fdt, offs, "clocks", NULL);
	if (cuint) {
		cuint++;
		dinfo.clock = (int)fdt32_to_cpu(*cuint);
	}

	cuint = fdt_getprop(fdt, offs, "resets", NULL);
	if (cuint) {
		cuint++;
		dinfo.reset = (int)fdt32_to_cpu(*cuint);
	}

	dinfo.status = _fdt_get_status(fdt, offs);

	*info = dinfo;
}

Exemplo n.º 2

Arquivo: dt.c Projeto: jbech-linaro/optee_os

int dt_map_dev(const void *fdt, int offs, vaddr_t *base, size_t *size)
{
	enum teecore_memtypes mtype;
	paddr_t pbase;
	vaddr_t vbase;
	ssize_t sz;
	int st;

	assert(cpu_mmu_enabled());

	st = _fdt_get_status(fdt, offs);
	if (st == DT_STATUS_DISABLED)
		return -1;

	pbase = _fdt_reg_base_address(fdt, offs);
	if (pbase == (paddr_t)-1)
		return -1;
	sz = _fdt_reg_size(fdt, offs);
	if (sz < 0)
		return -1;

	if ((st & DT_STATUS_OK_SEC) && !(st & DT_STATUS_OK_NSEC))
		mtype = MEM_AREA_IO_SEC;
	else
		mtype = MEM_AREA_IO_NSEC;

	/* Check if we have a mapping, create one if needed */
	if (!core_mmu_add_mapping(mtype, pbase, sz)) {
		EMSG("Failed to map %zu bytes at PA 0x%"PRIxPA,
		     (size_t)sz, pbase);
		return -1;
	}
	vbase = (vaddr_t)phys_to_virt(pbase, mtype);
	if (!vbase) {
		EMSG("Failed to get VA for PA 0x%"PRIxPA, pbase);
		return -1;
	}

	*base = vbase;
	*size = sz;
	return 0;
}