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cd26cb41ec
Add copy_{to,from,in}_user when the CPU operates in EVA mode.
This is necessary so the EVA specific instructions can be used
to perform the virtual to physical translation for user space
addresses. We will use the non-EVA functions to read from kernel
if needed.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* Export MIPS-specific functions needed for loadable modules.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1996, 97, 98, 99, 2000, 01, 03, 04, 05, 12 by Ralf Baechle
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* Copyright (C) 1999, 2000, 01 Silicon Graphics, Inc.
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*/
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#include <linux/interrupt.h>
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#include <linux/export.h>
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#include <asm/checksum.h>
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#include <linux/mm.h>
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#include <asm/uaccess.h>
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#include <asm/ftrace.h>
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extern void *__bzero(void *__s, size_t __count);
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extern long __strncpy_from_kernel_nocheck_asm(char *__to,
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const char *__from, long __len);
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extern long __strncpy_from_kernel_asm(char *__to, const char *__from,
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long __len);
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extern long __strncpy_from_user_nocheck_asm(char *__to,
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const char *__from, long __len);
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extern long __strncpy_from_user_asm(char *__to, const char *__from,
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long __len);
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extern long __strlen_kernel_nocheck_asm(const char *s);
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extern long __strlen_kernel_asm(const char *s);
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extern long __strlen_user_nocheck_asm(const char *s);
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extern long __strlen_user_asm(const char *s);
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extern long __strnlen_kernel_nocheck_asm(const char *s);
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extern long __strnlen_kernel_asm(const char *s);
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extern long __strnlen_user_nocheck_asm(const char *s);
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extern long __strnlen_user_asm(const char *s);
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/*
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* String functions
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*/
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EXPORT_SYMBOL(memset);
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EXPORT_SYMBOL(memcpy);
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EXPORT_SYMBOL(memmove);
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/*
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* Functions that operate on entire pages. Mostly used by memory management.
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*/
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EXPORT_SYMBOL(clear_page);
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EXPORT_SYMBOL(copy_page);
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/*
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* Userspace access stuff.
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*/
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EXPORT_SYMBOL(__copy_user);
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EXPORT_SYMBOL(__copy_user_inatomic);
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#ifdef CONFIG_EVA
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EXPORT_SYMBOL(__copy_from_user_eva);
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EXPORT_SYMBOL(__copy_in_user_eva);
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EXPORT_SYMBOL(__copy_to_user_eva);
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EXPORT_SYMBOL(__copy_user_inatomic_eva);
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#endif
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EXPORT_SYMBOL(__bzero);
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EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm);
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EXPORT_SYMBOL(__strncpy_from_kernel_asm);
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EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm);
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EXPORT_SYMBOL(__strncpy_from_user_asm);
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EXPORT_SYMBOL(__strlen_kernel_nocheck_asm);
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EXPORT_SYMBOL(__strlen_kernel_asm);
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EXPORT_SYMBOL(__strlen_user_nocheck_asm);
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EXPORT_SYMBOL(__strlen_user_asm);
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EXPORT_SYMBOL(__strnlen_kernel_nocheck_asm);
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EXPORT_SYMBOL(__strnlen_kernel_asm);
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EXPORT_SYMBOL(__strnlen_user_nocheck_asm);
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EXPORT_SYMBOL(__strnlen_user_asm);
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EXPORT_SYMBOL(csum_partial);
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EXPORT_SYMBOL(csum_partial_copy_nocheck);
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EXPORT_SYMBOL(__csum_partial_copy_user);
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EXPORT_SYMBOL(invalid_pte_table);
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#ifdef CONFIG_FUNCTION_TRACER
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/* _mcount is defined in arch/mips/kernel/mcount.S */
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EXPORT_SYMBOL(_mcount);
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#endif
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