Added memory management using paging

This was quite a roller-coaster and most things are slower now, but it works and is way more secure. I still need to implement things like shared memory for the WM/GUI system but other than that everything is supported.

1 files changed, 12 insertions, 6 deletions

diff --git a/libgui/gui.c b/libgui/gui.c
index 2083f23..bc8adb1 100644
--- a/libgui/gui.c
+++ b/libgui/gui.c
@@ -2,24 +2,30 @@
 
 #include <def.h>
 #include <gui.h>
+#include <msg.h>
 #include <print.h>
 
 #define WM_PATH "/bin/wm"
 
 s32 gui_new_window(struct gui_window *win)
 {
-	struct message msg = { 0 };
-	if (msg_send(pidof(WM_PATH), GUI_NEW_WINDOW, win) > 0 && msg_receive(&msg) > 0 &&
-	    msg.type == (GUI_NEW_WINDOW | MSG_SUCCESS))
+	struct message_new_window msg = { 0 };
+	if (msg_send(pidof(WM_PATH), GUI_NEW_WINDOW, &msg, sizeof(msg)) > 0 &&
+	    msg_receive(&msg, sizeof(msg)) > 0 &&
+	    msg.header.type == (GUI_NEW_WINDOW | MSG_SUCCESS)) {
+		win->id = msg.id;
+		win->ctx = msg.ctx;
 		return win->id;
+	}
 	return -1;
 }
 
 s32 gui_redraw_window(u32 id)
 {
-	struct message msg = { 0 };
-	if (msg_send(pidof(WM_PATH), GUI_REDRAW_WINDOW, &id) > 0 && msg_receive(&msg) > 0 &&
-	    msg.type == (GUI_REDRAW_WINDOW | MSG_SUCCESS))
+	struct message_redraw_window msg = { .id = id };
+	if (msg_send(pidof(WM_PATH), GUI_REDRAW_WINDOW, &msg, sizeof(msg)) > 0 &&
+	    msg_receive(&msg, sizeof(msg)) > 0 &&
+	    msg.header.type == (GUI_REDRAW_WINDOW | MSG_SUCCESS))
 		return id;
 	return -1;
 }