| // Copyright 2020 The Fuchsia Authors |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| |
| #include <fuchsia/boot/cpp/fidl.h> |
| #include <lib/fdio/directory.h> |
| #include <lib/zx/status.h> |
| #include <lib/zx/vmo.h> |
| #include <zircon/boot/image.h> |
| |
| struct DevicetreeItem { |
| zx::vmo vmo; |
| uint32_t size; |
| |
| static zx::status<DevicetreeItem> Get() { |
| fuchsia::boot::ItemsSyncPtr items; |
| if (zx_status_t status = fdio_service_connect("/svc/fuchsia.boot.Items", |
| items.NewRequest().TakeChannel().release()); |
| status != ZX_OK) { |
| return zx::error{status}; |
| } |
| |
| DevicetreeItem item; |
| if (zx_status_t status = (items->Get(ZBI_TYPE_DEVICETREE, 0u, &item.vmo, &item.size)); |
| status != ZX_OK) { |
| return zx::error{status}; |
| } |
| |
| return zx::ok(std::move(item)); |
| } |
| }; |