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[libcpu][aarch64] Replace x8 with a callee-saved register
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Browse Source
This commit is contained in:
Tang Qingmei
2025-12-27 22:17:43 +08:00
committed by R b b666
parent 570cc03579
commit 6c2b9a8f20
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libcpu/aarch64/cortex-a/entry_point.S
+4 -4
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@@ -113,15 +113,15 @@ _start:
#endif #endif
/* Now we are in the end of boot cpu process */ /* Now we are in the end of boot cpu process */
ldr x8, =rtthread_startup ldr x19, =rtthread_startup
b init_mmu_early b init_mmu_early
/* never come back */ /* never come back */
kernel_start: kernel_start:
/* jump to the PE's system entry */ /* jump to the PE's system entry */
mov x29, xzr mov x29, xzr
mov x30, x8 mov x30, x19
br x8 br x19
cpu_idle: cpu_idle:
wfe wfe
@@ -169,7 +169,7 @@ _secondary_cpu_entry:
bl init_cpu_stack_early bl init_cpu_stack_early
/* secondary cpu start to startup */ /* 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 b enable_mmu_early
#endif /* RT_USING_SMP */ #endif /* RT_USING_SMP */