From 4c10db944ca18c8001848c7e4e8ef51876bbe094 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sat, 16 Jul 2022 23:08:50 +0200
Subject: amd64: all tests pass

---
 src/kernel/arch/amd64/pagedir.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

(limited to 'src/kernel/arch/amd64/pagedir.c')

diff --git a/src/kernel/arch/amd64/pagedir.c b/src/kernel/arch/amd64/pagedir.c
index 2075aac..6d0546a 100644
--- a/src/kernel/arch/amd64/pagedir.c
+++ b/src/kernel/arch/amd64/pagedir.c
@@ -122,14 +122,10 @@ get_entry(struct pagedir *dir, const void __user *virt) {
 }
 
 void *pagedir_unmap(struct pagedir *dir, void __user *virt) {
-	(void)dir; (void)virt;
-	panic_unimplemented();
-	/* unset the present bit
-	void *phys = pagedir_virt2phys(dir, virt, false, false);
-	struct pagetable_entry *page = get_entry(dir, virt);
+	pe_generic_t *page = get_entry(dir, virt);
+	if (!page) return NULL;
 	page->present = false;
-	return phys;
-	*/
+	return addr_extract(*page);
 }
 
 void pagedir_map(struct pagedir *dir, void __user *virt, void *phys,
-- 
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