70ed86f4de
Add the PowerPC name and the PPC_ELFNOTE_CAPABILITIES type in the kernel binary ELF note. This type is a bitmap that can be used to advertise kernel capabilities to userland. This patch also defines PPCCAP_ULTRAVISOR_BIT as being the bit zero. Suggested-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Claudio Carvalho <cclaudio@linux.ibm.com> [ maxiwell: Define the 'PowerPC' type in the elfnote.h ] Signed-off-by: Maxiwell S. Garcia <maxiwell@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190829155021.2915-2-maxiwell@linux.ibm.com
25 lines
527 B
C
25 lines
527 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* PowerPC ELF notes.
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*
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* Copyright 2019, IBM Corporation
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*/
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#ifndef __ASM_POWERPC_ELFNOTE_H__
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#define __ASM_POWERPC_ELFNOTE_H__
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/*
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* These note types should live in a SHT_NOTE segment and have
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* "PowerPC" in the name field.
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*/
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/*
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* The capabilities supported/required by this kernel (bitmap).
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*
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* This type uses a bitmap as "desc" field. Each bit is described
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* in arch/powerpc/kernel/note.S
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*/
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#define PPC_ELFNOTE_CAPABILITIES 1
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#endif /* __ASM_POWERPC_ELFNOTE_H__ */
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