2 * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a copy of
5 * this software and associated documentation files (the "Software"), to deal in
6 * the Software without restriction, including without limitation the rights to
7 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
8 * the Software, and to permit persons to whom the Software is furnished to do so,
9 * subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
16 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
17 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 //#include <csi_config.h>
26 /********************************************************************
27 * Functions: vPortStartTask
29 ********************************************************************/
30 .global vPortStartTask
31 .type vPortStartTask, %function
35 ld.w r4, (r4) // the current task stack pointer is the first member
47 /********************************************************************
48 * Functions: vPortYield
50 ********************************************************************/
52 .type vPortYield, %function
67 jbsr vTaskSwitchContext
82 /********************************************************************
83 * Functions: NOVIC_IRQ_Default_Handler
85 ********************************************************************/
86 .global NOVIC_IRQ_Default_Handler
87 .type NOVIC_IRQ_Default_Handler, %function
88 NOVIC_IRQ_Default_Handler:
102 lrw sp, g_top_irqstack