arch/arm/mm/proc-syms.c

Source file repositories/reference/linux-study-clean/arch/arm/mm/proc-syms.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mm/proc-syms.c
Extension
.c
Size
1084 bytes
Lines
51
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  linux/arch/arm/mm/proc-syms.c
 *
 *  Copyright (C) 2000-2002 Russell King
 */
#include <linux/module.h>
#include <linux/mm.h>

#include <asm/cacheflush.h>
#include <asm/proc-fns.h>
#include <asm/tlbflush.h>
#include <asm/page.h>

#ifndef MULTI_CPU
EXPORT_SYMBOL(cpu_dcache_clean_area);
#ifdef CONFIG_MMU
EXPORT_SYMBOL(cpu_set_pte_ext);
#endif
#else
EXPORT_SYMBOL(processor);
#endif

#ifndef MULTI_CACHE
EXPORT_SYMBOL(__cpuc_flush_kern_all);
EXPORT_SYMBOL(__cpuc_flush_user_all);
EXPORT_SYMBOL(__cpuc_flush_user_range);
EXPORT_SYMBOL(__cpuc_coherent_kern_range);
EXPORT_SYMBOL(__cpuc_flush_dcache_area);
#else
EXPORT_SYMBOL(cpu_cache);
#endif

#ifdef CONFIG_MMU
#ifndef MULTI_USER
EXPORT_SYMBOL(__cpu_clear_user_highpage);
EXPORT_SYMBOL(__cpu_copy_user_highpage);
#else
EXPORT_SYMBOL(cpu_user);
#endif
#endif

/*
 * No module should need to touch the TLB (and currently
 * no modules do.  We export this for "loadkernel" support
 * (booting a new kernel from within a running kernel.)
 */
#ifdef MULTI_TLB
EXPORT_SYMBOL(cpu_tlb);
#endif

Annotation

Implementation Notes