add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/arm64/kernel/head.S
..
..
@@ -621,7 +621,7 @@
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 	ldr	x2, [x0, #CPU_BOOT_TASK]
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 	cbz	x2, __secondary_too_slow
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 	msr	sp_el0, x2
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-	scs_load x2, x3
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+	scs_load_current
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 	mov	x29, #0
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 	mov	x30, #0
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