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 23typedef enum SemihostingTarget { 24 SEMIHOSTING_TARGET_AUTO = 0, 25 SEMIHOSTING_TARGET_NATIVE, 26 SEMIHOSTING_TARGET_GDB 27} SemihostingTarget; 28 29#ifdef CONFIG_USER_ONLY 30static inline bool semihosting_enabled(void) 31{ 32 return true; 33} 34 35static inline SemihostingTarget semihosting_get_target(void) 36{ 37 return SEMIHOSTING_TARGET_AUTO; 38} 39 40static inline const char *semihosting_get_arg(int i) 41{ 42 return NULL; 43} 44 45static inline int semihosting_get_argc(void) 46{ 47 return 0; 48} 49 50static inline const char *semihosting_get_cmdline(void) 51{ 52 return NULL; 53} 54#else /* !CONFIG_USER_ONLY */ 55bool semihosting_enabled(void); 56SemihostingTarget semihosting_get_target(void); 57const char *semihosting_get_arg(int i); 58int semihosting_get_argc(void); 59const char *semihosting_get_cmdline(void); 60void semihosting_arg_fallback(const char *file, const char *cmd); 61/* for vl.c hooks */ 62void qemu_semihosting_enable(void); 63int qemu_semihosting_config_options(const char *opt); 64void qemu_semihosting_chardev_init(void); 65void qemu_semihosting_console_init(Chardev *); 66#endif /* CONFIG_USER_ONLY */ 67void qemu_semihosting_guestfd_init(void); 68 69#endif /* SEMIHOST_H */ 70