3 files changed, 12 insertions, 4 deletions
diff --git a/src/user/include/knob/block.h b/src/user/include/knob/block.h
new file mode 100644
index 0000000..2aa2b36
--- /dev/null
+++ b/src/user/include/knob/block.h
@@ -0,0 +1,7 @@
+#ifndef KNOB_BLOCK_H
+#define KNOB_BLOCK_H
+
+void blockcpy(void *to, const void *from, uint32_t size);
+bool blockequ(void *a, void *b, uint32_t size) __attribute__ ((__pure__));
+
+#endif
+\ No newline at end of file
diff --git a/src/user/include/knob/user.h b/src/user/include/knob/user.h
index c4ec7db..45caab4 100644
--- a/src/user/include/knob/user.h
+++ b/src/user/include/knob/user.h
@@ -6,7 +6,8 @@
 void tell_user_sz(const char *sz);
 void tell_user_n(uint32_t n);
 
-//return value and max_length both include null terminator
+//return value and max_length don't include null terminator
+//returns the real length of the string
 uint32_t ask_user_line_sz(char *sz, uint32_t max_length);
 
 #endif
 \ No newline at end of file
diff --git a/src/user/include/pland/syscall.h b/src/user/include/pland/syscall.h
index 298fc51..c597e2b 100644
--- a/src/user/include/pland/syscall.h
+++ b/src/user/include/pland/syscall.h
@@ -97,7 +97,7 @@ static inline uint32_t _sc5(enum _scn eax, uint32_t ebx, uint32_t ecx, uint32_t
 static inline void _yield_task() {
   asm (
     "int $0x39"
-  );
+  : : : "eax");
 }
 
 __attribute__ ((noreturn))
@@ -124,8 +124,8 @@ static inline uint32_t _file_size(_file_handle_t handle) {
   return _sc1(_SCN_FILE_SIZE, handle);
 }
 
-static inline bool _start_task(_drive_number_t drive_number, const char *path) {
-  return (bool)_sc2(_SCN_START_TASK, drive_number, (uint32_t)path);
+static inline bool _start_task(_drive_number_t drive_number, const char *path, const char *pass) {
+  return (bool)_sc3(_SCN_START_TASK, drive_number, (uint32_t)path, (uint32_t)pass);
 }
 
 static inline void _log_string(const char *sz) {