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[libcpu][aarch64] Replace x8 with a callee-saved register #11098

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[libcpu][aarch64] Replace x8 with a callee-saved register #11098

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8 changes: 4 additions & 4 deletions libcpu/aarch64/cortex-a/entry_point.S
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Original file line number Diff line number Diff line change
Expand Up @@ -113,15 +113,15 @@ _start:
#endif

/* Now we are in the end of boot cpu process */
ldr x8, =rtthread_startup
ldr x19, =rtthread_startup
b init_mmu_early
/* never come back */

kernel_start:
/* jump to the PE's system entry */
mov x29, xzr
mov x30, x8
br x8
mov x30, x19
br x19

cpu_idle:
wfe
Expand Down Expand Up @@ -169,7 +169,7 @@ _secondary_cpu_entry:
bl init_cpu_stack_early

/* secondary cpu start to startup */
ldr x8, =rt_hw_secondary_cpu_bsp_start
ldr x19, =rt_hw_secondary_cpu_bsp_start
b enable_mmu_early
#endif /* RT_USING_SMP */

Expand Down