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Create systick_wrapper_gcc.S

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Gabriel Wang 2023-11-27 23:42:12 +00:00
parent cd2ecb8557
commit ae8fd2bb24
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;/****************************************************************************
;* Copyright 2022 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) *
;* *
;* Licensed under the Apache License, Version 2.0 (the "License"); *
;* you may not use this file except in compliance with the License. *
;* You may obtain a copy of the License at *
;* *
;* http://www.apache.org/licenses/LICENSE-2.0 *
;* *
;* Unless required by applicable law or agreed to in writing, software *
;* distributed under the License is distributed on an "AS IS" BASIS, *
;* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
;* See the License for the specific language governing permissions and *
;* limitations under the License. *
;* *
;****************************************************************************/
.syntax unified
.arch armv6-m
.text
.thumb
.thumb_func
.align 2
.globl __wrap_SysTick_Handler
.type __wrap_SysTick_Handler, %function
__wrap_SysTick_Handler:
push {r4, r5}
push {r4, lr}
ldr R0, =user_code_insert_to_systick_handler
blx R0
pop {r4, r5}
mov lr, r5
pop {r4, r5}
ldr R0, =__real_SysTick_Handler
bx R0
.globl __ensure_systick_wrapper
.type __ensure_systick_wrapper, %function
__ensure_systick_wrapper:
bx lr