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Atmosphere/mesosphere/kernel/source/libc/arch/arm64/asmdefs.h
Michael Scire 29358dc593 kernel_ldr: use unoptimized memcpy before mmu bringup (closes #1102)
Before the MMU is up, all reads/writes must be aligned; the optimized
memcpy implementation does not guarantee all reads/writes it performs
are aligned.

This commit splits the libc impl to be separate for kernel/kernel_ldr,
and so now only kernel will use the optimized impl. This is safe,
as the MMU is brought up before kernel begins executing.
2020-08-02 14:40:28 -07:00

31 lines
619 B
C

/*
* Macros for asm code.
*
* Copyright (c) 2019, Arm Limited.
* SPDX-License-Identifier: MIT
*/
#ifndef _ASMDEFS_H
#define _ASMDEFS_H
#define ENTRY_ALIGN(name, alignment) \
.global name; \
.type name,%function; \
.align alignment; \
name: \
.cfi_startproc;
#define ENTRY(name) ENTRY_ALIGN(name, 6)
#define ENTRY_ALIAS(name) \
.global name; \
.type name,%function; \
name:
#define END(name) \
.cfi_endproc; \
.size name, .-name;
#define L(l) .L ## l
#endif