usermode capable kernel with logging syscall

1 files changed, 23 insertions, 0 deletions

diff --git a/usr/syscall.c b/usr/syscall.c
new file mode 100644
index 0000000..0ea5700
--- /dev/null
+++ b/usr/syscall.c
@@ -0,0 +1,23 @@
+#include "syscall.h"
+#include "mem/memory.h"
+#include "io/log.h"
+
+int _syscall_handler_log(struct syscall_log *req)
+{
+    klogf("Message ptr %#016X\n", req->message);
+    if(!mem_check_ptr(req->message)) return -1;
+    klogf("%s", req->message);
+    return 0;
+}
+
+void *_syscall_handlers[SYSCALL_COUNT] = {
+    _syscall_handler_log
+};
+
+int
+syscall_handler(syscall_t *req)
+{
+    if(!mem_check_ptr(req)) return -1;
+    if(req->id >= SYSCALL_COUNT) return -1;
+    return ((syscall_handler_t)(_syscall_handlers[req->id]))(req);
+}