src/target/nds32_tlb.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2013 Andes Technology                                   *
   5  *   Hsiangkai Wang <hkwang@andestech.com>                                 *
   6  ***************************************************************************/
   7
   8 #ifndef OPENOCD_TARGET_NDS32_TLB_H
   9 #define OPENOCD_TARGET_NDS32_TLB_H
  10
  11 #include "nds32.h"
  12
  13 enum {
  14         PAGE_SIZE_4K = 0,
  15         PAGE_SIZE_8K,
  16         PAGE_SIZE_NUM,
  17 };
  18
  19 struct page_table_walker_info_s {
  20
  21         uint32_t l1_offset_mask;
  22         uint32_t l1_offset_shift;
  23         uint32_t l2_offset_mask;
  24         uint32_t l2_offset_shift;
  25         uint32_t va_offset_mask;
  26         uint32_t l1_base_mask;
  27         uint32_t l2_base_mask;
  28         uint32_t ppn_mask;
  29 };
  30
  31 extern int nds32_probe_tlb(struct nds32 *nds32, const target_addr_t virtual_address,
  32                 target_addr_t *physical_address);
  33 extern int nds32_walk_page_table(struct nds32 *nds32, const target_addr_t virtual_address,
  34                 target_addr_t *physical_address);
  35
  36 #endif /* OPENOCD_TARGET_NDS32_TLB_H */