| 1 | /* |
| 2 | * Semihosting support |
| 3 | * |
| 4 | * Copyright (c) 2015 Imagination Technologies |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library 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 GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #ifndef SEMIHOST_H |
| 21 | #define SEMIHOST_H |
| 22 | |
| 23 | typedef enum SemihostingTarget { |
| 24 | SEMIHOSTING_TARGET_AUTO = 0, |
| 25 | SEMIHOSTING_TARGET_NATIVE, |
| 26 | SEMIHOSTING_TARGET_GDB |
| 27 | } SemihostingTarget; |
| 28 | |
| 29 | /** |
| 30 | * semihosting_enabled: |
| 31 | * @is_user: true if guest code is in usermode (i.e. not privileged) |
| 32 | * |
| 33 | * Return true if guest code is allowed to make semihosting calls. |
| 34 | */ |
| 35 | bool semihosting_enabled(bool is_user); |
| 36 | bool semihosting_arm_compatible(void); |
| 37 | void semihosting_arm_compatible_init(void); |
| 38 | |
| 39 | SemihostingTarget semihosting_get_target(void); |
| 40 | const char *semihosting_get_arg(int i); |
| 41 | int semihosting_get_argc(void); |
| 42 | const char *semihosting_get_cmdline(void); |
| 43 | void semihosting_arg_fallback(const char *file, const char *cmd); |
| 44 | |
| 45 | /* for vl.c hooks */ |
| 46 | void qemu_semihosting_enable(void); |
| 47 | int qemu_semihosting_config_options(const char *optstr); |
| 48 | void qemu_semihosting_chardev_init(void); |
| 49 | void qemu_semihosting_console_init(Chardev *); |
| 50 | void qemu_semihosting_guestfd_init(void); |
| 51 | |
| 52 | #endif /* SEMIHOST_H */ |