beautification

4 files changed, 11 insertions, 2 deletions

diff --git a/include/apos/uapi.h b/include/apos/uapi.h
index 02e8816..7da24c6 100644
--- a/include/apos/uapi.h
+++ b/include/apos/uapi.h
@@ -51,6 +51,14 @@ struct sys_ret {
 	sys_arg_t ar4;
 };
 
+#define SYS_RET0() (struct sys_ret){0, 0, 0, 0, 0, 0}
+#define SYS_RET1(a) (struct sys_ret){a, 0, 0, 0, 0, 0}
+#define SYS_RET2(a, b) (struct sys_ret){a, b, 0, 0, 0, 0}
+#define SYS_RET3(a, b, c) (struct sys_ret){a, b, c, 0, 0, 0}
+#define SYS_RET4(a, b, c, d) (struct sys_ret){a, b, c, d, 0, 0}
+#define SYS_RET5(a, b, c, d, e) (struct sys_ret){a, b, c, d, e, 0}
+#define SYS_RET6(a, b, c, d, e, f) (struct sys_ret){a, b, c, d, e, f}
+
 /**
  * Helper macro for declaring syscalls with zero arguments.
  *
diff --git a/include/apos/utils.h b/include/apos/utils.h
index 6eeb54f..378f3a0 100644
--- a/include/apos/utils.h
+++ b/include/apos/utils.h
@@ -190,7 +190,7 @@
  * Signal to the compiler that some region is unreachable.
  * Mainly used for debugging with instrumentation, though it could provide some
  * micro-optimisations.
-*/
+ */
 #if __has_builtin(__builtin_unreachable)
 #define unreachable() __builtin_unreachable()
 #else
diff --git a/include/arch/cpu.h b/include/arch/cpu.h
index 3156076..ddea2ac 100644
--- a/include/arch/cpu.h
+++ b/include/arch/cpu.h
@@ -30,6 +30,7 @@ id_t cpu_id();
 
 /**
  * Assign tcb to current cpu.
+ * Essentially sets t->cpu_id to the cpu id, plus whatever the arch needs.
  *
  * @param t \ref tcb to assign to current cpu.
  */
diff --git a/include/arch/proc.h b/include/arch/proc.h
index 5ea0f0f..5047eab 100644
--- a/include/arch/proc.h
+++ b/include/arch/proc.h
@@ -25,7 +25,7 @@
  */
 void set_args(struct tcb *t, struct sys_ret a);
 
-/** 
+/**
  * Get argument data attached to thread.
  * To some extent a hack, used by swap.
  *