bugfixes, init program, hello world

4 files changed, 14 insertions, 10 deletions

diff --git a/src/user/include/knob/block.h b/src/user/include/knob/block.h
deleted file mode 100644
index 53b3deb..0000000
--- a/src/user/include/knob/block.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef KNOB_BLOCK_H
-#define KNOB_BLOCK_H
-
-#include <stdint.h>
-
-void blockcpy(void *to, const void *from, uint32_t count);
-
-#endif
\ No newline at end of file
diff --git a/src/user/include/knob/file.h b/src/user/include/knob/file.h
index 6068077..4d0da87 100644
--- a/src/user/include/knob/file.h
+++ b/src/user/include/knob/file.h
@@ -5,6 +5,8 @@
 
 struct file;
 
+const char *remove_prefix(const char *path, uint8_t *dn_out);
+
 struct file *open_file(const char *path);
 void close_file(struct file *f);
 
diff --git a/src/user/include/knob/task.h b/src/user/include/knob/task.h
new file mode 100644
index 0000000..ea5df62
--- /dev/null
+++ b/src/user/include/knob/task.h
@@ -0,0 +1,9 @@
+#ifndef KNOB_TASK_H
+#define KNOB_TASK_H
+
+#include <stdbool.h>
+
+bool try_run_command(const char *path);
+void yield_task();
+
+#endif
\ No newline at end of file
diff --git a/src/user/include/pland/syscall.h b/src/user/include/pland/syscall.h
index 01f7151..5858d16 100644
--- a/src/user/include/pland/syscall.h
+++ b/src/user/include/pland/syscall.h
@@ -2,6 +2,7 @@
 #define PLAND_SYSCALL_H
 
 #include <stdint.h>
+#include <stdbool.h>
 
 typedef uint32_t _file_handle_t;
 typedef uint32_t _task_handle_t;
@@ -120,8 +121,8 @@ static inline uint32_t _file_size(_file_handle_t handle) {
   return _sc1(_SCN_FILE_SIZE, handle);
 }
 
-static inline void _start_task(_drive_number_t drive_number, char *path) {
-  _sc2(_SCN_START_TASK, drive_number, (uint32_t)path);
+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 void _log_string(const char *sz) {