3 files changed, 21 insertions, 9 deletions
diff --git a/kernel/memory/paging.c b/kernel/memory/paging.c
index 8de1a24..b23e39b 100644
--- a/kernel/memory/paging.c
+++ b/kernel/memory/paging.c
@@ -704,8 +704,8 @@ volatile void *pgdir_alloc(void)
 volatile void *pgdir_clone(volatile const void *old_pgdir, bool cow)
 {
 	// TODO:
-	(void) old_pgdir;
-	(void) cow;
+	(void)old_pgdir;
+	(void)cow;
 	return NULL;
 }
 
diff --git a/kernel/memory/physalloc.c b/kernel/memory/physalloc.c
index 856a627..9fcbe8f 100644
--- a/kernel/memory/physalloc.c
+++ b/kernel/memory/physalloc.c
@@ -1,3 +1,4 @@
+#include "lib/kio.h"
 #include <lib.h>
 #include <comus/memory.h>
 #include <comus/asm.h>
@@ -11,13 +12,13 @@ extern char kernel_end;
 // between memory_start and kernel_start will be the bitmap
 static uintptr_t memory_start = 0;
 
-static uint64_t *bitmap;
+static uint64_t *bitmap = NULL;
 static uint64_t total_memory;
 static uint64_t free_memory;
 static uint64_t page_count;
 static uint64_t segment_count;
 struct memory_map phys_mmap;
-struct memory_segment *page_start;
+struct memory_segment *page_start = NULL;
 
 static const char *segment_type_str[] = {
 	[SEG_TYPE_FREE] = "Free",			[SEG_TYPE_RESERVED] = "Reserved",
@@ -84,6 +85,13 @@ void *alloc_phys_pages_exact(size_t pages)
 	if (pages < 1)
 		return NULL;
 
+	if (bitmap == NULL || page_start == NULL) {
+		// temporary bump allocator
+		void *addr = (void *)memory_start;
+		memory_start += PAGE_SIZE;
+		return addr;
+	}
+
 	size_t n_contiguous = 0;
 	size_t free_region_start = 0;
 	for (size_t i = 0; i < page_count; i++) {
diff --git a/kernel/memory/virtalloc.c b/kernel/memory/virtalloc.c
index a077532..cbde9b4 100644
--- a/kernel/memory/virtalloc.c
+++ b/kernel/memory/virtalloc.c
@@ -79,7 +79,7 @@ static void free_node(struct virt_ctx *ctx, struct virt_addr_node *node)
 void virtaddr_init(struct virt_ctx *ctx)
 {
 	struct virt_addr_node init = {
-		.start = 0x40005000, // map after paging pt
+		.start = 0x50000000,
 		.end = 0x1000000000000, // 48bit memory address max
 		.next = NULL,
 		.prev = NULL,
@@ -102,12 +102,14 @@ int virtaddr_clone(struct virt_ctx *old, struct virt_ctx *new)
 	memcpy(new, old, sizeof(struct virt_ctx));
 
 	// allocate new space
-	new->alloc_nodes = kalloc(sizeof(struct virt_addr_node) * new->alloc_node_count);
+	new->alloc_nodes =
+		kalloc(sizeof(struct virt_addr_node) * new->alloc_node_count);
 	if (new->alloc_nodes == NULL)
 		return 1;
 
 	// update prev/next in new allocation space
-	update_node_ptrs(old->alloc_nodes, new->alloc_nodes, old->alloc_node_count, new->alloc_node_count);
+	update_node_ptrs(old->alloc_nodes, new->alloc_nodes, old->alloc_node_count,
+					 new->alloc_node_count);
 
 	// update bootstrap nodes
 	for (size_t i = 0; i < new->used_node_count; i++) {
@@ -117,8 +119,10 @@ int virtaddr_clone(struct virt_ctx *old, struct virt_ctx *new)
 			break;
 
 		// get prev
-		prev = i > 0 ? &new->bootstrap_nodes[i-1] : NULL;
-		next = i < BOOTSTRAP_VIRT_ALLOC_NODES - 1 ? &new->bootstrap_nodes[i+1] : NULL;
+		prev = i > 0 ? &new->bootstrap_nodes[i - 1] : NULL;
+		next = i < BOOTSTRAP_VIRT_ALLOC_NODES - 1 ?
+				   &new->bootstrap_nodes[i + 1] :
+				   NULL;
 
 		new->bootstrap_nodes[i].prev = prev;
 		new->bootstrap_nodes[i].next = next;