From ce98400f8a9ebd4e62e76b9e292b7598d0d66cc0 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Fri, 2 Apr 2021 23:26:28 +0200 Subject: Added kernel section clear/protect after init This is a huge security improvement as it prevents potential exploits of using or modifying internal kernel functions or data. --- kernel/drivers/keyboard.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'kernel/drivers/keyboard.c') diff --git a/kernel/drivers/keyboard.c b/kernel/drivers/keyboard.c index 63005b9..b917e4e 100644 --- a/kernel/drivers/keyboard.c +++ b/kernel/drivers/keyboard.c @@ -13,10 +13,10 @@ #include #include -static struct event_keyboard *event = NULL; -static struct stack *queue = NULL; -static u32 dev_id = 0; +PROTECTED static struct stack *queue = NULL; +PROTECTED static u32 dev_id = 0; +static struct event_keyboard *event = NULL; static int state = 0; static int merged = 0; static void keyboard_handler(struct regs *r) @@ -78,12 +78,12 @@ static res keyboard_ready(void) return !stack_empty(queue); } -void keyboard_reset(void) +CLEAR void keyboard_reset(void) { stack_clear(queue); } -void keyboard_install(void) +CLEAR void keyboard_install(void) { //keyboard_rate(); TODO: Fix keyboard rate? irq_install_handler(1, keyboard_handler); -- cgit v1.2.3