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Merge pull request #2624 from jesven/lwp_swi_arm-a 

修改lwp支持中arm cortex-a的swi入口函数处理
This commit is contained in:
Bernard Xiong 2019-04-27 14:48:33 +08:00 committed by GitHub
parent 8684f1662b 1e7bd3d8a1
commit c0a400ccbe
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 8 additions and 10 deletions
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6
components/lwp/arch/arm/cortex-a/lwp_gcc.S
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@ -45,9 +45,9 @@ lwp_user_entry:
/* /*
* void SVC_Handler(void); * void SVC_Handler(void);
*/ */
.global SVC_Handler .global vector_swi
.type SVC_Handler, % function .type vector_swi, % function
SVC_Handler: vector_swi:
push {lr} push {lr}
mrs lr, spsr mrs lr, spsr
push {r4, r5, lr} push {r4, r5, lr}

8
components/lwp/arch/arm/cortex-a9/lwp_gcc.S
View File

@ -43,11 +43,11 @@ lwp_user_entry:
movs pc, r1 movs pc, r1
/* /*
* void SVC_Handler(void); * void vector_swi(void);
*/ */
.global SVC_Handler .global vector_swi
.type SVC_Handler, % function .type vector_swi, % function
SVC_Handler: vector_swi:
push {lr} push {lr}
mrs lr, spsr mrs lr, spsr
push {r4, r5, lr} push {r4, r5, lr}

4
libcpu/arm/cortex-a/start_gcc.S
View File

@ -241,9 +241,7 @@ rt_hw_context_switch_interrupt_do:
.endm .endm
.align 5 .align 5
.globl vector_swi .weak vector_swi
.weak SVC_Handler
SVC_Handler:
vector_swi: vector_swi:
push_svc_reg push_svc_reg
bl rt_hw_trap_swi bl rt_hw_trap_swi