[libcpu][arm/cortex-a] Add correct comments.
@@ -34,8 +34,9 @@ rt_hw_interrupt_enable:
bx lr
/*
- * void rt_hw_context_switch_to(rt_uint32 to);
- * r0 --> to
+ * void rt_hw_context_switch_to(rt_uint32 to, struct rt_thread *to_thread);
+ * r0 --> to (thread stack)
+ * r1 --> to_thread
*/
.globl rt_hw_context_switch_to
rt_hw_context_switch_to:
@@ -64,9 +65,10 @@ _guest_switch_lvl:
.section .text.isr, "ax"
/*
- * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
- * r0 --> from
- * r1 --> to
+ * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to, struct rt_thread *to_thread);
+ * r0 --> from (from_thread stack)
+ * r1 --> to (to_thread stack)
+ * r2 --> to_thread
*/
.globl rt_hw_context_switch
rt_hw_context_switch:
