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   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Semihosting API for Espressif chips                                   *
   5  *   Copyright (C) 2022 Espressif Systems Ltd.                             *
   6  ***************************************************************************/
   7
   8 #ifndef OPENOCD_TARGET_ESP_SEMIHOSTING_H
   9 #define OPENOCD_TARGET_ESP_SEMIHOSTING_H
  10
  11 /* Legacy syscalls */
  12 #define ESP_SYS_DRV_INFO_LEGACY                     0xE0
  13
  14 /* syscalls compatible to ARM standard */
  15 #define ESP_SEMIHOSTING_SYS_DRV_INFO                0x100
  16 #define ESP_SEMIHOSTING_SYS_APPTRACE_INIT           0x101
  17 #define ESP_SEMIHOSTING_SYS_DEBUG_STUBS_INIT        0x102
  18 #define ESP_SEMIHOSTING_SYS_BREAKPOINT_SET          0x103
  19 #define ESP_SEMIHOSTING_SYS_WATCHPOINT_SET          0x104
  20 #define ESP_SEMIHOSTING_SYS_SEEK                    0x105       /* custom lseek with whence */
  21 /* not implemented yet */
  22 #define ESP_SEMIHOSTING_SYS_MKDIR                   0x106
  23 #define ESP_SEMIHOSTING_SYS_OPENDIR                 0x107
  24 #define ESP_SEMIHOSTING_SYS_READDIR                 0x108
  25 #define ESP_SEMIHOSTING_SYS_READDIR_R               0x109
  26 #define ESP_SEMIHOSTING_SYS_SEEKDIR                 0x10A
  27 #define ESP_SEMIHOSTING_SYS_TELLDIR                 0x10B
  28 #define ESP_SEMIHOSTING_SYS_CLOSEDIR                0x10C
  29 #define ESP_SEMIHOSTING_SYS_RMDIR                   0x10D
  30 #define ESP_SEMIHOSTING_SYS_ACCESS                  0x10E
  31 #define ESP_SEMIHOSTING_SYS_TRUNCATE                0x10F
  32 #define ESP_SEMIHOSTING_SYS_UTIME                   0x110
  33 #define ESP_SEMIHOSTING_SYS_FSTAT                   0x111
  34 #define ESP_SEMIHOSTING_SYS_STAT                    0x112
  35 #define ESP_SEMIHOSTING_SYS_FSYNC                   0x113
  36 #define ESP_SEMIHOSTING_SYS_LINK                    0x114
  37 #define ESP_SEMIHOSTING_SYS_UNLINK                  0x115
  38
  39 /**
  40  * Semihost calls handling operations.
  41  */
  42 struct esp_semihost_ops {
  43         /** Callback called before handling semihost call */
  44         int (*prepare)(struct target *target);
  45 };
  46
  47 struct esp_semihost_data {
  48         bool need_resume;
  49         struct esp_semihost_ops *ops;
  50 };
  51
  52 int esp_semihosting_common(struct target *target);
  53 int esp_semihosting_basedir_command(struct command_invocation *cmd);
  54
  55 #endif  /* OPENOCD_TARGET_ESP_SEMIHOSTING_H */