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| author | Lukas Oesch <lukasoesch20@gmail.com> | 2026-03-02 23:44:53 +0100 |
|---|---|---|
| committer | Lukas Oesch <lukasoesch20@gmail.com> | 2026-03-17 16:42:28 +0100 |
| commit | 9eeaf95fcc6b2d6302d8447940678e1597d26f0a (patch) | |
| tree | 9544543b1433cb6f5b904e03d141b5086154dfca /kernel/devices | |
| parent | 62bf2eef72854750c7325d2e2c6e92562a522e16 (diff) | |
| download | teachos-9eeaf95fcc6b2d6302d8447940678e1597d26f0a.tar.xz teachos-9eeaf95fcc6b2d6302d8447940678e1597d26f0a.zip | |
copy data into the buffer in ram_disk_device::read_block
Diffstat (limited to 'kernel/devices')
| -rw-r--r-- | kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp b/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp index 82a3cdf..339e7fa 100644 --- a/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp +++ b/kernel/devices/src/storage/RAMDisk/RAMDiskDevice.cpp @@ -3,7 +3,7 @@ #include "kapi/boot_module/boot_module.hpp" #include "kapi/system.hpp" -#include <kstd/print> +#include <kstd/cstring> #include <cstddef> @@ -20,18 +20,12 @@ namespace devices::storage::ram_disk kapi::system::panic("[RAM DISK DEVICE] read_block called with null buffer."); } - auto const offset = block_index * block_size; - // TODO BA-FS26 really correct, what if block_size doesn't divide m_boot_module.size? - if (offset + block_size > m_boot_module.size) - { - kapi::system::panic("[RAM DISK DEVICE] read_block out of bounds."); - } + // TODO BA-FS26 add bounds checking based on module size? + // TODO BA-FS26 fill with 0 after the end of the module, if the block extends beyond it? + auto const offset = block_index * block_size; auto const source = static_cast<std::byte *>(m_boot_module.start_address) + offset; - for (size_t i = 0; i < block_size; ++i) - { - kstd::println("address: {}, value: {}", source + i, std::to_integer<unsigned int>(*(source + i))); - } - // std::memcpy(buffer, source, block_size); + + kstd::libc::memcpy(buffer, source, block_size); } } // namespace devices::storage::ram_disk
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