Add ability to jump to a usermode init routine.

This routine will has a newly allocated stack.

I found out that when using the st-flash utility it likes to reset the
device with the IPSR in HARD FAULT mode (?) so I have to manually hit
the reset button to get it to work.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/user/init.c b/src/user/init.c
new file mode 100644
index 0000000..00f1b28
--- /dev/null
+++ b/src/user/init.c
@@ -0,0 +1,11 @@
+#include "user/syscall.h"
+#include "kern/log.h"
+#include "kern/common.h"
+
+void usermode_start()
+{
+  logs("I'm in usermode!\n");
+  logs("I'm still in usermode!\n");
+  logs("I'm super still in usermode!\n");
+  for(;;);
+}