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/*
* Syscall implementations for semihosting.
*
* Copyright (c) 2022 Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef SEMIHOSTING_SYSCALLS_H
#define SEMIHOSTING_SYSCALLS_H
/*
* Argument loading from the guest is performed by the caller;
* results are returned via the 'complete' callback.
*
* String operands are in address/len pairs. The len argument may be 0
* (when the semihosting abi does not already provide the length),
* or non-zero (where it should include the terminating zero).
*/
typedef struct GuestFD GuestFD;
void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong fname, target_ulong fname_len,
int gdb_flags, int mode);
void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete,
int fd);
void semihost_sys_read(CPUState *cs, gdb_syscall_complete_cb complete,
int fd, target_ulong buf, target_ulong len);
void semihost_sys_read_gf(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf, target_ulong buf, target_ulong len);
void semihost_sys_write(CPUState *cs, gdb_syscall_complete_cb complete,
int fd, target_ulong buf, target_ulong len);
void semihost_sys_write_gf(CPUState *cs, gdb_syscall_complete_cb complete,
GuestFD *gf, target_ulong buf, target_ulong len);
void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete,
int fd, int64_t off, int gdb_whence);
void semihost_sys_isatty(CPUState *cs, gdb_syscall_complete_cb complete,
int fd);
void semihost_sys_flen(CPUState *cs, gdb_syscall_complete_cb fstat_cb,
gdb_syscall_complete_cb flen_cb,
int fd, target_ulong fstat_addr);
void semihost_sys_fstat(CPUState *cs, gdb_syscall_complete_cb complete,
int fd, target_ulong addr);
void semihost_sys_stat(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong fname, target_ulong fname_len,
target_ulong addr);
void semihost_sys_remove(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong fname, target_ulong fname_len);
void semihost_sys_rename(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong oname, target_ulong oname_len,
target_ulong nname, target_ulong nname_len);
void semihost_sys_system(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong cmd, target_ulong cmd_len);
void semihost_sys_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,
target_ulong tv_addr, target_ulong tz_addr);
void semihost_sys_poll_one(CPUState *cs, gdb_syscall_complete_cb complete,
int fd, GIOCondition cond, int timeout);
#endif /* SEMIHOSTING_SYSCALLS_H */
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