cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

setup.c (749B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
      4 * Author: Fuxin Zhang, zhangfx@lemote.com
      5 */
      6#include <linux/export.h>
      7#include <linux/init.h>
      8
      9#include <asm/wbflush.h>
     10#include <asm/bootinfo.h>
     11#include <linux/libfdt.h>
     12#include <linux/of_fdt.h>
     13
     14#include <asm/prom.h>
     15
     16#include <loongson.h>
     17
     18void *loongson_fdt_blob;
     19
     20static void wbflush_loongson(void)
     21{
     22	asm(".set\tpush\n\t"
     23	    ".set\tnoreorder\n\t"
     24	    ".set mips3\n\t"
     25	    "sync\n\t"
     26	    "nop\n\t"
     27	    ".set\tpop\n\t"
     28	    ".set mips0\n\t");
     29}
     30
     31void (*__wbflush)(void) = wbflush_loongson;
     32EXPORT_SYMBOL(__wbflush);
     33
     34void __init plat_mem_setup(void)
     35{
     36	if (loongson_fdt_blob)
     37		__dt_setup_arch(loongson_fdt_blob);
     38}