From 0ca0c40c197c214288ad2ed1179ae9ae28c50194 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matteo=20Gm=C3=BCr?= Date: Mon, 11 Nov 2024 14:16:18 +0000 Subject: Improve calculation of kernel end and start address. --- arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/x86_64/include') diff --git a/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp b/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp index 10fad0c..f01bd37 100644 --- a/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp +++ b/arch/x86_64/include/arch/memory/paging/kernel_mapper.hpp @@ -38,7 +38,7 @@ namespace teachos::arch::memory::paging * inactive page table, that is not used by the CPU to ensure we are not changign memory that we are using. Because * remapping active kernel memory in the kernel wouldn't work. */ - auto remap_kernel() -> void + auto remap_kernel() -> active_page_table & { temporary_page temporary_page{virtual_page{0xCAFEBABE}, allocator}; auto & active_table = active_page_table::create_or_get(); @@ -51,6 +51,7 @@ namespace teachos::arch::memory::paging auto const old_level_4_page = virtual_page::containing_address(old_table.page_table_level_4_frame.start_address()); active_table.unmap_page(allocator, old_level_4_page); + return active_table; } private: -- cgit v1.2.3