src/target/arm920t.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  19  ***************************************************************************/
  20
  21 #ifndef ARM920T_H
  22 #define ARM920T_H
  23
  24 #include "arm9tdmi.h"
  25 #include "armv4_5_mmu.h"
  26
  27 #define ARM920T_COMMON_MAGIC 0xa920a920
  28
  29 struct arm920t_common {
  30         struct arm7_9_common arm7_9_common;
  31         uint32_t common_magic;
  32         struct armv4_5_mmu_common armv4_5_mmu;
  33         uint32_t cp15_control_reg;
  34         uint32_t d_fsr;
  35         uint32_t i_fsr;
  36         uint32_t d_far;
  37         uint32_t i_far;
  38         int preserve_cache;
  39 };
  40
  41 static inline struct arm920t_common *target_to_arm920(struct target *target)
  42 {
  43         return container_of(target->arch_info, struct arm920t_common, arm7_9_common.arm);
  44 }
  45
  46 struct arm920t_cache_line {
  47         uint32_t cam;
  48         uint32_t data[8];
  49 };
  50
  51 struct arm920t_tlb_entry {
  52         uint32_t cam;
  53         uint32_t ram1;
  54         uint32_t ram2;
  55 };
  56
  57 int arm920t_arch_state(struct target *target);
  58 int arm920t_soft_reset_halt(struct target *target);
  59 int arm920t_read_memory(struct target *target,
  60         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
  61 int arm920t_write_memory(struct target *target,
  62         uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
  63 int arm920t_post_debug_entry(struct target *target);
  64 void arm920t_pre_restore_context(struct target *target);
  65 int arm920t_get_ttb(struct target *target, uint32_t *result);
  66 int arm920t_disable_mmu_caches(struct target *target,
  67         int mmu, int d_u_cache, int i_cache);
  68 int arm920t_enable_mmu_caches(struct target *target,
  69         int mmu, int d_u_cache, int i_cache);
  70
  71 extern const struct command_registration arm920t_command_handlers[];
  72
  73 #endif /* ARM920T_H */