49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
/***************************************************************************
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* Copyright (C) 2013 Andes Technology *
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* Hsiangkai Wang <hkwang@andestech.com> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
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***************************************************************************/
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#ifndef __NDS32_TLB_H__
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#define __NDS32_TLB_H__
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#include "nds32.h"
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enum {
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PAGE_SIZE_4K = 0,
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PAGE_SIZE_8K,
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PAGE_SIZE_NUM,
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};
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struct page_table_walker_info_s {
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uint32_t L1_offset_mask;
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uint32_t L1_offset_shift;
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uint32_t L2_offset_mask;
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uint32_t L2_offset_shift;
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uint32_t va_offset_mask;
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uint32_t L1_base_mask;
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uint32_t L2_base_mask;
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uint32_t ppn_mask;
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};
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extern int nds32_probe_tlb(struct nds32 *nds32, const uint32_t virtual_address,
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uint32_t *physical_address);
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extern int nds32_walk_page_table(struct nds32 *nds32, const uint32_t virtual_address,
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uint32_t *physical_address);
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#endif
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