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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-04-20 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
.text
.globl _rt_hw_context_switch_interrupt_do
.type _rt_hw_context_switch_interrupt_do, #function
_rt_hw_context_switch_interrupt_do:
MOV.B #0, _rt_thread_switch_interrupt_flag
MOV.W _rt_interrupt_from_thread, A0
STC ISP, [A0]
MOV.W _rt_interrupt_to_thread, A0
LDC [A0], ISP
POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore all processor registers from the new task's stack
REIT
.text
.globl _rt_hw_timer_handler
.type _rt_hw_timer_handler, #function
_rt_hw_timer_handler:
PUSHM R0,R1,R2,R3,A0,A1,SB,FB ; Save current task's registers
jsr.a _rt_interrupt_enter
jsr.a _rt_tick_increase
jsr.a _rt_interrupt_leave
CMP.B #1, _rt_thread_switch_interrupt_flag
JEQ _rt_hw_context_switch_interrupt_do
POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore current task's registers
REIT ; Return from interrup
.text
.globl _rt_hw_uart0_receive_handler
.type _rt_hw_uart0_receive_handler, #function
_rt_hw_uart0_receive_handler:
PUSHM R0,R1,R2,R3,A0,A1,SB,FB ; Save current task's registers
jsr.a _rt_interrupt_enter
jsr.a _u0rec_handler
jsr.a _rt_interrupt_leave
CMP.B #1, _rt_thread_switch_interrupt_flag
JEQ _rt_hw_context_switch_interrupt_do
POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore current task's registers
REIT ; Return from interrup
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