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/*
* Semihosting support
*
* Copyright (c) 2015 Imagination Technologies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SEMIHOST_H
#define SEMIHOST_H
typedef enum SemihostingTarget {
SEMIHOSTING_TARGET_AUTO = 0,
SEMIHOSTING_TARGET_NATIVE,
SEMIHOSTING_TARGET_GDB
} SemihostingTarget;
#ifdef CONFIG_USER_ONLY
static inline bool semihosting_enabled(bool is_user)
{
return true;
}
static inline SemihostingTarget semihosting_get_target(void)
{
return SEMIHOSTING_TARGET_AUTO;
}
static inline const char *semihosting_get_arg(int i)
{
return NULL;
}
static inline int semihosting_get_argc(void)
{
return 0;
}
static inline const char *semihosting_get_cmdline(void)
{
return NULL;
}
#else /* !CONFIG_USER_ONLY */
/**
* semihosting_enabled:
* @is_user: true if guest code is in usermode (i.e. not privileged)
*
* Return true if guest code is allowed to make semihosting calls.
*/
bool semihosting_enabled(bool is_user);
SemihostingTarget semihosting_get_target(void);
const char *semihosting_get_arg(int i);
int semihosting_get_argc(void);
const char *semihosting_get_cmdline(void);
void semihosting_arg_fallback(const char *file, const char *cmd);
/* for vl.c hooks */
void qemu_semihosting_enable(void);
int qemu_semihosting_config_options(const char *opt);
void qemu_semihosting_chardev_init(void);
void qemu_semihosting_console_init(Chardev *);
#endif /* CONFIG_USER_ONLY */
void qemu_semihosting_guestfd_init(void);
#endif /* SEMIHOST_H */
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