| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <fuchsia/hardware/platform/bus/c/banjo.h> |
| #include <fuchsia/sysmem/c/banjo.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/platform-defs.h> |
| |
| #include "qemu-bus.h" |
| #include "qemu-virt.h" |
| |
| namespace board_qemu_arm64 { |
| |
| zx_status_t QemuArm64::SysmemInit() { |
| constexpr pbus_bti_t kSysmemBtis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_SYSMEM, |
| }, |
| }; |
| |
| constexpr sysmem_metadata_t kSysmemMetadata = { |
| .vid = PDEV_VID_QEMU, |
| .pid = PDEV_PID_QEMU, |
| // no protected pool |
| .protected_memory_size = 0, |
| // -5 means 5% of physical RAM |
| .contiguous_memory_size = -5, |
| }; |
| |
| const pbus_metadata_t kSysmemMetadataList[] = {{ |
| .type = SYSMEM_METADATA, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&kSysmemMetadata), |
| .data_size = sizeof(kSysmemMetadata), |
| }}; |
| |
| pbus_dev_t sysmem_dev = {}; |
| sysmem_dev.name = "sysmem"; |
| sysmem_dev.vid = PDEV_VID_GENERIC; |
| sysmem_dev.pid = PDEV_PID_GENERIC; |
| sysmem_dev.did = PDEV_DID_SYSMEM; |
| sysmem_dev.bti_list = kSysmemBtis; |
| sysmem_dev.bti_count = countof(kSysmemBtis); |
| sysmem_dev.metadata_list = kSysmemMetadataList; |
| sysmem_dev.metadata_count = countof(kSysmemMetadataList); |
| |
| zx_status_t status = pbus_.DeviceAdd(&sysmem_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ProtocolDeviceAdd failed %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace board_qemu_arm64 |