kernel/tests: implement basic simulated memory

1 files changed, 33 insertions, 0 deletions

diff --git a/kernel/tests/src/simulated_memory.cpp b/kernel/tests/src/simulated_memory.cpp
new file mode 100644
index 0000000..9a9b354
--- /dev/null
+++ b/kernel/tests/src/simulated_memory.cpp
@@ -0,0 +1,33 @@
+#include "kernel/tests/simulated_memory.hpp"
+
+#include <kstd/units>
+
+#include <cstddef>
+#include <vector>
+
+namespace kernel::tests::simulated_memory
+{
+
+  namespace
+  {
+    auto constinit ram_storage = std::vector<std::byte>{};
+    auto constinit pmm_storage = std::vector<std::byte>{};
+  }  // namespace
+
+  auto init(kstd::units::bytes size) -> void
+  {
+    ram_storage.resize(size / kstd::units::bytes{1});
+    pmm_storage.resize(size / kstd::units::bytes{1});
+  }
+
+  auto pmm_metadata_base() -> std::byte *
+  {
+    return pmm_storage.data();
+  }
+
+  auto ram_base() -> std::byte *
+  {
+    return ram_storage.data();
+  }
+
+}  // namespace kernel::tests::simulated_memory
\ No newline at end of file