every device has a name, generate ram disk device names

3 files changed, 25 insertions, 5 deletions

diff --git a/kernel/devices/src/block_device.cpp b/kernel/devices/src/block_device.cpp
index 2f0c2ca..40f842a 100644
--- a/kernel/devices/src/block_device.cpp
+++ b/kernel/devices/src/block_device.cpp
@@ -5,11 +5,12 @@
 #include "devices/device.hpp"
 
 #include <cstddef>
+#include <string_view>
 
 namespace devices
 {
-  block_device::block_device(size_t major, size_t minor, size_t block_size)
-      : device(major, minor)
+  block_device::block_device(size_t major, size_t minor, std::string_view name, size_t block_size)
+      : device(major, minor, name)
       , m_block_size(block_size)
   {
     if (m_block_size == 0)
diff --git a/kernel/devices/src/device.cpp b/kernel/devices/src/device.cpp
index aa5c1bb..8184321 100644
--- a/kernel/devices/src/device.cpp
+++ b/kernel/devices/src/device.cpp
@@ -1,12 +1,14 @@
 #include "devices/device.hpp"
 
 #include <cstddef>
+#include <string_view>
 
 namespace devices
 {
-  device::device(size_t major, size_t minor)
+  device::device(size_t major, size_t minor, std::string_view name)
       : m_major(major)
       , m_minor(minor)
+      , m_name(name)
   {}
 
   auto device::major() const -> size_t
@@ -18,4 +20,9 @@ namespace devices
   {
     return m_minor;
   }
+
+  auto device::name() const -> std::string_view
+  {
+    return m_name;
+  }
 }  // namespace devices
\ No newline at end of file
diff --git a/kernel/devices/src/storage/ram_disk/ram_disk_device.cpp b/kernel/devices/src/storage/ram_disk/ram_disk_device.cpp
index 3bd3967..8e9988d 100644
--- a/kernel/devices/src/storage/ram_disk/ram_disk_device.cpp
+++ b/kernel/devices/src/storage/ram_disk/ram_disk_device.cpp
@@ -7,21 +7,33 @@
 
 #include <kstd/cstring>
 
+#include <array>
 #include <cstddef>
+#include <string_view>
 
 namespace devices::storage::ram_disk
 {
   namespace
   {
     constexpr size_t RAM_DISK_BLOCK_SIZE = 512uz;  // TODO BA-FS26 really correct / good??
+
+    // TODO BA-FS26 @Felix
+    // TODO BA-FS26 currently only names for 9 minor devices
+    constinit std::array<char, 5> NAME = {'r', 'a', 'm', '0', '\0'};
+
+    auto determine_device_name(size_t minor) -> std::string_view
+    {
+      NAME[3] = '0' + minor;
+      return std::string_view{NAME};
+    }
   }  // namespace
 
   ram_disk_device::ram_disk_device()  // TODO BA-FS26 remove when kstd::vector is available
-      : block_device(0, 0, RAM_DISK_BLOCK_SIZE)
+      : block_device(0, 0, determine_device_name(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)
+      : block_device(major, minor, determine_device_name(minor), RAM_DISK_BLOCK_SIZE)
       , m_boot_module(module)
   {}