feat: add support for shutdown/reboot via UEFI Runtime Services

2026-02-26 18:08:05 +01:00
parent 33c5d6037a
commit b01789a1f4
11 changed files with 208 additions and 20 deletions
@@ -108,10 +108,18 @@ public:

        // Map a page into an arbitrary PML4 with User + Write-Combining attributes.
        static void MapUserInWC(std::uint64_t pml4Phys, std::uint64_t physicalAddress, std::uint64_t virtualAddress);
+
+        // Identity-map EFI runtime service regions so firmware code can
+        // reference its own data at physical addresses.
+        void MapEfiRuntime(limine_efi_memmap_response* efiMemmap);
    };

    extern Paging* g_paging;

    extern "C" uint64_t GetCR3();
    extern "C" void LoadCR3(PageTable* PML4);
+
+    inline void FlushTLB() {
+        asm volatile("mov %%cr3, %%rax; mov %%rax, %%cr3" ::: "rax", "memory");
+    }
 };