From e7ccb96aecae7b231fb05818d7e45a767aebc31d Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 18 Mar 2026 17:18:37 +0100
Subject: kstd: introduce strong type for memory amounts

---
 arch/x86_64/src/memory/kernel_mapper.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'arch/x86_64/src/memory')

diff --git a/arch/x86_64/src/memory/kernel_mapper.cpp b/arch/x86_64/src/memory/kernel_mapper.cpp
index e5bb7f8..ced8a14 100644
--- a/arch/x86_64/src/memory/kernel_mapper.cpp
+++ b/arch/x86_64/src/memory/kernel_mapper.cpp
@@ -6,6 +6,7 @@
 #include "arch/boot/ld.hpp"
 
 #include <kstd/print>
+#include <kstd/units>
 
 #include <elf/format.hpp>
 #include <elf/section_header.hpp>
@@ -19,13 +20,14 @@
 #include <string_view>
 #include <utility>
 
+using namespace std::string_view_literals;
+using namespace kstd::units_literals;
+
 namespace arch::memory
 {
 
   namespace
   {
-    using namespace std::string_view_literals;
-
     constexpr auto static ignored_section_prefixes = std::array{
       ".boot_"sv,
     };
@@ -71,7 +73,8 @@ namespace arch::memory
   auto kernel_mapper::map_section(section_header_type const & section, std::string_view name,
                                   kapi::memory::page_mapper & mapper) -> void
   {
-    auto number_of_pages = (section.size + (kapi::memory::page::size - 1)) / kapi::memory::page::size;
+    auto number_of_pages =
+        (kstd::units::bytes{section.size} + (kapi::memory::page::size - 1_B)) / kapi::memory::page::size;
     auto linear_start_address = kapi::memory::linear_address{section.virtual_load_address};
     auto physical_start_address = kapi::memory::physical_address{section.virtual_load_address & ~m_kernel_load_base};
 
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