From 95e33f7f9362aadd9c6169b41437ca478aa3be14 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sat, 31 Jul 2021 14:36:56 +0200
Subject: kmalloc() and kfree() stubs

---
 src/kernel/mem.c  | 10 ++++++++++
 src/kernel/mem.h  |  3 +++
 src/kernel/proc.c |  4 ++--
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/kernel/mem.c b/src/kernel/mem.c
index 5684bb7..19a10a9 100644
--- a/src/kernel/mem.c
+++ b/src/kernel/mem.c
@@ -25,3 +25,13 @@ void *page_alloc(size_t pages) {
 void page_free(void *first, size_t pages) {
 	// not implemented
 }
+
+
+void *kmalloc(size_t len) {
+	// extremely inefficient, but this is only temporary anyways
+	return page_alloc(len / PAGE_SIZE + 1);
+}
+
+void kfree(void *ptr) {
+	// unimplemented
+}
diff --git a/src/kernel/mem.h b/src/kernel/mem.h
index f608bb8..b17ba30 100644
--- a/src/kernel/mem.h
+++ b/src/kernel/mem.h
@@ -9,3 +9,6 @@ void *page_alloc(size_t pages);
 
 // frees `pages` consecutive pages starting from *first
 void page_free(void *first, size_t pages);
+
+void *kmalloc(size_t len);
+void kfree(void *ptr);
diff --git a/src/kernel/proc.c b/src/kernel/proc.c
index 8a80754..b705324 100644
--- a/src/kernel/proc.c
+++ b/src/kernel/proc.c
@@ -8,7 +8,7 @@ struct process *process_first;
 struct process *process_current;
 
 struct process *process_seed() {
-	struct process *proc = page_alloc(1); // TODO kmalloc
+	struct process *proc = kmalloc(sizeof(struct process));
 	proc->pages = pagedir_new();
 	proc->state = PS_RUNNING;
 	proc->next = NULL;
@@ -30,7 +30,7 @@ struct process *process_seed() {
 }
 
 struct process *process_clone(struct process *orig) {
-	struct process *clone = page_alloc(1);
+	struct process *clone = kmalloc(sizeof(struct process));
 	memcpy(clone, orig, sizeof(struct process));
 	clone->pages = pagedir_copy(orig->pages);
 	orig->next = clone;
-- 
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