Add task control syscalls.

1 files changed, 26 insertions, 0 deletions

diff --git a/src/lib/syscall_task.C b/src/lib/syscall_task.C
new file mode 100644
index 000000000..bfd522933
--- /dev/null
+++ b/src/lib/syscall_task.C
@@ -0,0 +1,26 @@
+#include <sys/task.h>
+#include <kernel/task.H>
+
+using namespace Systemcalls;
+
+void task_yield()
+{
+    _syscall0(TASK_YIELD);
+    return;
+}
+
+int task_create(void(*fn)(void*), void* ptr)
+{
+    return (int64_t) _syscall2(TASK_START, (void*)fn, ptr);
+}
+
+void task_end()
+{
+    _syscall0(TASK_END); // no return.
+    return;
+}
+
+uint64_t task_gettid()
+{
+    return (uint64_t)_syscall0(TASK_GETTID);
+}