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https://github.com/brain-hackers/u-boot-brain
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92cc94a1fe
Display the type of CPU (x86 or x86_64) when starting up. Signed-off-by: Simon Glass <sjg@chromium.org>
30 lines
542 B
C
30 lines
542 B
C
/*
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* Copyright (c) 2014 The Chromium OS Authors.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __X86_CPU_H
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#define __X86_CPU_H
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/**
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* cpu_enable_paging_pae() - Enable PAE-paging
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*
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* @pdpt: Value to set in cr3 (PDPT or PML4T)
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*/
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void cpu_enable_paging_pae(ulong cr3);
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/**
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* cpu_disable_paging_pae() - Disable paging and PAE
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*/
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void cpu_disable_paging_pae(void);
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/**
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* cpu_has_64bit() - Check if the CPU has 64-bit support
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*
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* @return 1 if this CPU supports long mode (64-bit), 0 if not
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*/
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int cpu_has_64bit(void);
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#endif
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