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[libcpu]riscv使用call指令解决长跳转问题 #9652

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merged 1 commit into from
Nov 15, 2024
Merged

[libcpu]riscv使用call指令解决长跳转问题 #9652

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8 changes: 4 additions & 4 deletions libcpu/risc-v/common64/context_gcc.S
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Original file line number Diff line number Diff line change
Expand Up @@ -77,11 +77,11 @@
rt_hw_context_switch_to:
LOAD sp, (a0)

jal rt_thread_self
call rt_thread_self
mv s1, a0

#ifdef RT_USING_SMART
jal lwp_aspace_switch
call lwp_aspace_switch
#endif

RESTORE_CONTEXT
Expand All @@ -104,11 +104,11 @@ rt_hw_context_switch:
LOAD sp, (a1)

// restore Address Space
jal rt_thread_self
call rt_thread_self
mv s1, a0

#ifdef RT_USING_SMART
jal lwp_aspace_switch
call lwp_aspace_switch
#endif

RESTORE_CONTEXT
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6 changes: 4 additions & 2 deletions libcpu/risc-v/common64/interrupt_gcc.S
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,8 @@ _distinguish_syscall:
#ifdef RT_USING_SMART
// TODO swap 8 with config macro name
li t1, 8
beq t0, t1, syscall_entry
bne t0, t1, _handle_interrupt_and_exception
call syscall_entry
// syscall never return here
#endif

Expand Down Expand Up @@ -78,7 +79,8 @@ _resume_execution:
#ifdef RT_USING_SMART
LOAD t0, FRAME_OFF_SSTATUS(sp)
andi t0, t0, SSTATUS_SPP
beqz t0, arch_ret_to_user
bnez t0, _resume_kernel
call arch_ret_to_user
#endif

_resume_kernel:
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