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GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

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lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
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source/bootloader/u-boot-2020.01/arch/arm/mach-imx/lowlevel.S
+22
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2019 NXP
*/
#include <linux/linkage.h>
ENTRY(lowlevel_init)
mrs x0, CurrentEL
cmp x0, #8
b.eq 1f
ret
1:
msr daifclr, #4
/* set HCR_EL2.AMO to catch SERROR */
mrs x0, hcr_el2
orr x0, x0, #0x20
msr hcr_el2, x0
isb
ret
ENDPROC(lowlevel_init)