From b988b821372466ed58eb1d2116bcbb158f70346c Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Tue, 24 Aug 2021 19:05:46 +0200
Subject: switch to using user_ptr for pointers coming from userland

this avoid accidental dereferences, and now it's easy to tell apart
which pointers are safe to directly read and which aren't.

cons:
- const is completely discarded
---
 src/kernel/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/kernel/main.c')

diff --git a/src/kernel/main.c b/src/kernel/main.c
index 7796c44..cc8e10d 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -9,13 +9,13 @@
 
 static void run_init(struct kmain_info *info) {
 	struct process *proc = process_seed();
-	void *init_base = (void*) 0x200000;
+	user_ptr init_base = 0x200000;
 
 	// map the module as rw
 	for (uintptr_t off = 0; off < info->init.size; off += PAGE_SIZE)
 		pagedir_map(proc->pages, init_base + off, info->init.at + off,
 		            true, true);
-	proc->regs.eip = (int) init_base;
+	proc->regs.eip = init_base;
 
 	tty_const("switching...");
 	process_switch(proc);
-- 
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