1 files changed, 45 insertions, 0 deletions
diff --git a/arch/x86_64/boot/limine/memorymap.c b/arch/x86_64/boot/limine/memorymap.c
new file mode 100644
index 0000000..ec0f545
--- /dev/null
+++ b/arch/x86_64/boot/limine/memorymap.c
@@ -0,0 +1,45 @@
+#include "boot.h"
+#include "limine.h"
+#include "object.h"
+#include "print.h"
+#include "jove.h"
+#include "arch/x86_64/page.h"
+
+static struct jove_ObjectDirectory s_untyped_dir = {
+    .self = { .type = KO_OBJECT_DIRECTORY, .data = 1 },
+};
+
+static volatile struct limine_memmap_request s_memmap_req = {
+    .id = LIMINE_MEMMAP_REQUEST
+};
+
+void
+boot_populate_untyped(void)
+{
+    _initDirectory.entries[INIT_OBJECT_UNTYPED_DIR] = (objdir_entry_t) {
+        .type = KO_OBJECT_DIRECTORY,
+        .data = (uintptr_t)&s_untyped_dir
+    };
+
+    if(s_memmap_req.response == NULL) {
+        klogf("Failed to load physical memory map");
+        hcf();
+    }
+    struct limine_memmap_response *response = s_memmap_req.response;
+    for(size_t i = 0; i < response->entry_count; i++) {
+        struct limine_memmap_entry *entry = response->entries[i];
+        if(entry->type != LIMINE_MEMMAP_USABLE) continue;
+
+        size_t table_index = s_untyped_dir.self.data++;
+        uintmax_t *untyped_data = vmem_phys_tovirt(entry->base);
+        objdir_entry_t *table_entry = &s_untyped_dir.entries[table_index];
+
+        table_entry->type = KO_MEMORY_UNTYPED;
+        table_entry->data = (uintptr_t)entry->base;
+        *untyped_data = entry->length;
+
+        klogf("New untyped block %i at %p:%p\n",
+                table_index, entry->base, entry->length);
+    }
+}
+