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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/OwnPtr.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/Storage/RamdiskController.h>
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namespace Kernel {
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NonnullRefPtr<RamdiskController> RamdiskController::initialize()
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{
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return adopt(*new RamdiskController());
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}
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bool RamdiskController::reset()
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{
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TODO();
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}
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bool RamdiskController::shutdown()
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{
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TODO();
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}
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size_t RamdiskController::devices_count() const
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{
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return m_devices.size();
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}
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void RamdiskController::start_request(const StorageDevice&, AsyncBlockDeviceRequest&)
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{
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VERIFY_NOT_REACHED();
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}
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void RamdiskController::complete_current_request(AsyncDeviceRequest::RequestResult)
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{
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VERIFY_NOT_REACHED();
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}
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RamdiskController::RamdiskController()
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: StorageController()
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{
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// Populate ramdisk controllers from Multiboot boot modules, if any.
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size_t count = 0;
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for (auto used_memory_range : MemoryManager::the().used_memory_ranges()) {
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if (used_memory_range.type == UsedMemoryRangeType::BootModule) {
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size_t length = page_round_up(used_memory_range.end.get()) - used_memory_range.start.get();
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auto region = MemoryManager::the().allocate_kernel_region(used_memory_range.start, length, "Ramdisk", Region::Access::Read | Region::Access::Write);
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if (!region)
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dmesgln("RamdiskController: Failed to allocate kernel region of size {}", length);
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else
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m_devices.append(RamdiskDevice::create(*this, region.release_nonnull(), 6, count));
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count++;
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}
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}
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}
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RamdiskController::~RamdiskController()
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{
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}
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RefPtr<StorageDevice> RamdiskController::device(u32 index) const
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{
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if (index >= m_devices.size())
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return nullptr;
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return m_devices[index];
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}
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}
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