arch/mips/loongson2ef/common/setup.c

Source file repositories/reference/linux-study-clean/arch/mips/loongson2ef/common/setup.c

File Facts

System
Linux kernel
Corpus path
arch/mips/loongson2ef/common/setup.c
Extension
.c
Size
615 bytes
Lines
32
Domain
Architecture Layer
Bucket
arch/mips
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-or-later
/*
 * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
 * Author: Fuxin Zhang, zhangfx@lemote.com
 */
#include <linux/export.h>
#include <linux/init.h>

#include <asm/wbflush.h>
#include <asm/bootinfo.h>

#include <loongson.h>

static void wbflush_loongson(void)
{
	asm(".set\tpush\n\t"
	    ".set\tnoreorder\n\t"
	    ".set mips3\n\t"
	    "sync\n\t"
	    "nop\n\t"
	    ".set\tpop\n\t"
	    ".set mips0\n\t");
}

void (*__wbflush)(void) = wbflush_loongson;
EXPORT_SYMBOL(__wbflush);

void __init plat_mem_setup(void)
{
	loongson2ef_pcibios_init();
}

Annotation

Implementation Notes