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

xtensa_ksyms.c (2593B)

      1/*
      2 * arch/xtensa/kernel/xtensa_ksyms.c
      3 *
      4 * Export Xtensa-specific functions for loadable modules.
      5 *
      6 * This file is subject to the terms and conditions of the GNU General Public
      7 * License.  See the file "COPYING" in the main directory of this archive
      8 * for more details.
      9 *
     10 * Copyright (C) 2001 - 2005  Tensilica Inc.
     11 *
     12 * Joe Taylor <joe@tensilica.com>
     13 */
     14
     15#include <linux/module.h>
     16#include <linux/string.h>
     17#include <linux/mm.h>
     18#include <linux/interrupt.h>
     19#include <asm/irq.h>
     20#include <linux/in6.h>
     21
     22#include <linux/uaccess.h>
     23#include <asm/cacheflush.h>
     24#include <asm/checksum.h>
     25#include <asm/dma.h>
     26#include <asm/io.h>
     27#include <asm/page.h>
     28#include <asm/ftrace.h>
     29#ifdef CONFIG_BLK_DEV_FD
     30#include <asm/floppy.h>
     31#endif
     32#ifdef CONFIG_NET
     33#include <net/checksum.h>
     34#endif /* CONFIG_NET */
     35
     36
     37/*
     38 * String functions
     39 */
     40EXPORT_SYMBOL(memset);
     41EXPORT_SYMBOL(memcpy);
     42EXPORT_SYMBOL(memmove);
     43EXPORT_SYMBOL(__memset);
     44EXPORT_SYMBOL(__memcpy);
     45EXPORT_SYMBOL(__memmove);
     46#ifdef CONFIG_ARCH_HAS_STRNCPY_FROM_USER
     47EXPORT_SYMBOL(__strncpy_user);
     48#endif
     49EXPORT_SYMBOL(clear_page);
     50EXPORT_SYMBOL(copy_page);
     51
     52EXPORT_SYMBOL(empty_zero_page);
     53
     54/*
     55 * gcc internal math functions
     56 */
     57extern long long __ashrdi3(long long, int);
     58extern long long __ashldi3(long long, int);
     59extern long long __lshrdi3(long long, int);
     60extern int __divsi3(int, int);
     61extern int __modsi3(int, int);
     62extern int __mulsi3(int, int);
     63extern unsigned int __udivsi3(unsigned int, unsigned int);
     64extern unsigned int __umodsi3(unsigned int, unsigned int);
     65
     66EXPORT_SYMBOL(__ashldi3);
     67EXPORT_SYMBOL(__ashrdi3);
     68EXPORT_SYMBOL(__lshrdi3);
     69EXPORT_SYMBOL(__divsi3);
     70EXPORT_SYMBOL(__modsi3);
     71EXPORT_SYMBOL(__mulsi3);
     72EXPORT_SYMBOL(__udivsi3);
     73EXPORT_SYMBOL(__umodsi3);
     74
     75unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v)
     76{
     77	BUG();
     78}
     79EXPORT_SYMBOL(__sync_fetch_and_and_4);
     80
     81unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v)
     82{
     83	BUG();
     84}
     85EXPORT_SYMBOL(__sync_fetch_and_or_4);
     86
     87/*
     88 * Networking support
     89 */
     90EXPORT_SYMBOL(csum_partial);
     91EXPORT_SYMBOL(csum_partial_copy_generic);
     92
     93/*
     94 * Architecture-specific symbols
     95 */
     96EXPORT_SYMBOL(__xtensa_copy_user);
     97EXPORT_SYMBOL(__invalidate_icache_range);
     98
     99/*
    100 * Kernel hacking ...
    101 */
    102
    103#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
    104// FIXME EXPORT_SYMBOL(screen_info);
    105#endif
    106
    107extern long common_exception_return;
    108EXPORT_SYMBOL(common_exception_return);
    109
    110#ifdef CONFIG_FUNCTION_TRACER
    111EXPORT_SYMBOL(_mcount);
    112#endif
    113
    114EXPORT_SYMBOL(__invalidate_dcache_range);
    115#if XCHAL_DCACHE_IS_WRITEBACK
    116EXPORT_SYMBOL(__flush_dcache_range);
    117#endif