diff options
Diffstat (limited to 'kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp')
| -rw-r--r-- | kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp b/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp deleted file mode 100644 index f3b8799..0000000 --- a/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp +++ /dev/null @@ -1,69 +0,0 @@ -#include "devices/storage/RAMDisk/RAMDiskDevice.hpp" - -#include "kapi/boot_module/boot_module.hpp" -#include "kapi/system.hpp" - -#include "devices/BlockDevice.hpp" - -#include <kstd/cstring> - -#include <cstddef> - -namespace devices::storage::ram_disk -{ - namespace - { - constexpr size_t RAM_DISK_BLOCK_SIZE = 512uz; // TODO BA-FS26 really correct / good?? - } // namespace - - ram_disk_device::ram_disk_device() // TODO BA-FS26 remove when kstd::vector is available - : block_device(0, 0, RAM_DISK_BLOCK_SIZE) - {} - - ram_disk_device::ram_disk_device(kapi::boot_modules::boot_module const & module, size_t major, size_t minor) - : block_device(major, minor, RAM_DISK_BLOCK_SIZE) - , m_boot_module(module) - {} - - auto ram_disk_device::read_block(size_t block_index, void * buffer) const -> void - { - if (buffer == nullptr) - { - kapi::system::panic("[RAM DISK DEVICE] read_block called with null buffer."); - } - - auto const info = calculate_transfer(block_index); - - if (info.to_transfer > 0) - { - auto const src = static_cast<std::byte const *>(m_boot_module.start_address) + info.offset; - kstd::libc::memcpy(buffer, src, info.to_transfer); - } - - if (info.remainder > 0) - { - kstd::libc::memset(static_cast<std::byte *>(buffer) + info.to_transfer, 0, info.remainder); - } - } - - auto ram_disk_device::write_block(size_t block_index, void const * buffer) -> void - { - if (buffer == nullptr) - { - kapi::system::panic("[RAM DISK DEVICE] write_block called with null buffer."); - } - - auto const info = calculate_transfer(block_index); - - if (info.to_transfer > 0) - { - auto const dest = static_cast<std::byte *>(m_boot_module.start_address) + info.offset; - kstd::libc::memcpy(dest, buffer, info.to_transfer); - } - } - - auto ram_disk_device::size() const -> size_t - { - return m_boot_module.size; - } -} // namespace devices::storage::ram_disk
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