src/target/stm8.h

   1 /*
   2     OpenOCD STM8 target driver
   3     Copyright (C) 2017  Ake Rehnman
   4     ake.rehnman(at)gmail.com
   5
   6     This program is free software: you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation, either version 3 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #ifndef OPENOCD_TARGET_STM8_H
  21 #define OPENOCD_TARGET_STM8_H
  22
  23 struct target;
  24
  25 #define STM8_COMMON_MAGIC       0x53544D38
  26 #define STM8_NUM_CORE_REGS 6
  27
  28 struct stm8_common {
  29         uint32_t common_magic;
  30         void *arch_info;
  31         struct reg_cache *core_cache;
  32         uint32_t core_regs[STM8_NUM_CORE_REGS];
  33
  34         /* working area for fastdata access */
  35         struct working_area *fast_data_area;
  36
  37         bool swim_configured;
  38         bool bp_scanned;
  39         uint8_t num_hw_bpoints;
  40         uint8_t num_hw_bpoints_avail;
  41         struct stm8_comparator *hw_break_list;
  42         uint32_t blocksize;
  43         uint32_t flashstart;
  44         uint32_t flashend;
  45         uint32_t eepromstart;
  46         uint32_t eepromend;
  47         uint32_t optionstart;
  48         uint32_t optionend;
  49         bool enable_step_irq;
  50
  51         bool enable_stm8l;
  52         uint32_t flash_cr2;
  53         uint32_t flash_ncr2;
  54         uint32_t flash_iapsr;
  55         uint32_t flash_dukr;
  56         uint32_t flash_pukr;
  57
  58         /* cc value used for interrupt flags restore */
  59         uint32_t cc;
  60         bool cc_valid;
  61
  62         /* register cache to processor synchronization */
  63         int (*read_core_reg)(struct target *target, unsigned int num);
  64         int (*write_core_reg)(struct target *target, unsigned int num);
  65 };
  66
  67 static inline struct stm8_common *
  68 target_to_stm8(struct target *target)
  69 {
  70         return target->arch_info;
  71 }
  72
  73 const struct command_registration stm8_command_handlers[];
  74
  75 #endif /* OPENOCD_TARGET_STM8_H */