diff options
Diffstat (limited to 'arch/x86_64/src/memory')
| -rw-r--r-- | arch/x86_64/src/memory/main.cpp | 16 | ||||
| -rw-r--r-- | arch/x86_64/src/memory/paging/virtual_page.cpp | 13 |
2 files changed, 23 insertions, 6 deletions
diff --git a/arch/x86_64/src/memory/main.cpp b/arch/x86_64/src/memory/main.cpp index ce07115..80242cc 100644 --- a/arch/x86_64/src/memory/main.cpp +++ b/arch/x86_64/src/memory/main.cpp @@ -14,13 +14,16 @@ namespace teachos::arch::memory { auto remap_heap(allocator::area_frame_allocator allocator, paging::active_page_table & active_table) -> void { - auto heap_start_page = paging::virtual_page::containing_address(memory::heap::HEAP_START); - auto heap_end_page = - paging::virtual_page::containing_address(memory::heap::HEAP_START + memory::heap::HEAP_SIZE - 1); - - for (auto i = heap_start_page.page_number; i <= heap_end_page.page_number; i++) + auto const start_page = paging::virtual_page::containing_address(memory::heap::HEAP_START); + auto const end_page = + ++(paging::virtual_page::containing_address(memory::heap::HEAP_START + memory::heap::HEAP_SIZE - 1)); + paging::page_container::iterator const begin{start_page}; + paging::page_container::iterator const end{end_page}; + paging::page_container const pages{begin, end}; + + for (auto const & page : pages) { - active_table.map_page_to_next_free_frame(allocator, paging::virtual_page{i}, paging::entry::WRITABLE); + active_table.map_page_to_next_free_frame(allocator, page, paging::entry::WRITABLE); } } } // namespace @@ -43,5 +46,6 @@ namespace teachos::arch::memory video::vga::text::write("Kernel remapping successfull", video::vga::text::common_attributes::green_on_black); remap_heap(allocator, active_table); + video::vga::text::write("Heap remapping successfull", video::vga::text::common_attributes::green_on_black); } } // namespace teachos::arch::memory
\ No newline at end of file diff --git a/arch/x86_64/src/memory/paging/virtual_page.cpp b/arch/x86_64/src/memory/paging/virtual_page.cpp index f798709..d374156 100644 --- a/arch/x86_64/src/memory/paging/virtual_page.cpp +++ b/arch/x86_64/src/memory/paging/virtual_page.cpp @@ -17,4 +17,17 @@ namespace teachos::arch::memory::paging { return (page_number >> (level * 9U)) & 0x1FF; } + + auto virtual_page::operator++(int) -> virtual_page + { + virtual_page const old_value = *this; + ++page_number; + return old_value; + } + + auto virtual_page::operator++() -> virtual_page & + { + ++page_number; + return *this; + } } // namespace teachos::arch::memory::paging |
