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Richard Henderson5b3f39c2022-04-28 01:44:28 -07001/*
2 * Syscall implementations for semihosting.
3 *
4 * Copyright (c) 2022 Linaro
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8
9#ifndef SEMIHOSTING_SYSCALLS_H
10#define SEMIHOSTING_SYSCALLS_H
11
12/*
13 * Argument loading from the guest is performed by the caller;
14 * results are returned via the 'complete' callback.
15 *
16 * String operands are in address/len pairs. The len argument may be 0
17 * (when the semihosting abi does not already provide the length),
18 * or non-zero (where it should include the terminating zero).
19 */
20
Richard Hendersonaf0484b2022-04-28 11:40:41 -070021typedef struct GuestFD GuestFD;
22
Richard Henderson5b3f39c2022-04-28 01:44:28 -070023void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete,
24 target_ulong fname, target_ulong fname_len,
25 int gdb_flags, int mode);
26
Richard Henderson5eadbbf2022-04-28 09:22:18 -070027void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete,
28 int fd);
29
Richard Hendersonaf0484b2022-04-28 11:40:41 -070030void semihost_sys_read(CPUState *cs, gdb_syscall_complete_cb complete,
31 int fd, target_ulong buf, target_ulong len);
32
33void semihost_sys_read_gf(CPUState *cs, gdb_syscall_complete_cb complete,
34 GuestFD *gf, target_ulong buf, target_ulong len);
35
Richard Hendersonaa915bd2022-04-28 11:49:47 -070036void semihost_sys_write(CPUState *cs, gdb_syscall_complete_cb complete,
37 int fd, target_ulong buf, target_ulong len);
38
39void semihost_sys_write_gf(CPUState *cs, gdb_syscall_complete_cb complete,
40 GuestFD *gf, target_ulong buf, target_ulong len);
41
Richard Henderson9a894702022-04-28 12:04:44 -070042void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete,
43 int fd, int64_t off, int gdb_whence);
44
Richard Hendersona2212472022-04-28 12:31:25 -070045void semihost_sys_isatty(CPUState *cs, gdb_syscall_complete_cb complete,
46 int fd);
47
Richard Hendersona6300ed2022-04-29 09:05:36 -070048void semihost_sys_flen(CPUState *cs, gdb_syscall_complete_cb fstat_cb,
49 gdb_syscall_complete_cb flen_cb,
50 int fd, target_ulong fstat_addr);
51
Richard Hendersondffeb772022-04-29 15:45:25 -070052void semihost_sys_fstat(CPUState *cs, gdb_syscall_complete_cb complete,
53 int fd, target_ulong addr);
54
55void semihost_sys_stat(CPUState *cs, gdb_syscall_complete_cb complete,
56 target_ulong fname, target_ulong fname_len,
57 target_ulong addr);
58
Richard Hendersond49e79b2022-04-29 09:29:27 -070059void semihost_sys_remove(CPUState *cs, gdb_syscall_complete_cb complete,
60 target_ulong fname, target_ulong fname_len);
61
Richard Henderson25a95da2022-04-29 10:11:31 -070062void semihost_sys_rename(CPUState *cs, gdb_syscall_complete_cb complete,
63 target_ulong oname, target_ulong oname_len,
64 target_ulong nname, target_ulong nname_len);
65
Richard Henderson90d8e0b2022-04-29 13:57:19 -070066void semihost_sys_system(CPUState *cs, gdb_syscall_complete_cb complete,
67 target_ulong cmd, target_ulong cmd_len);
68
Richard Henderson1875dab2022-04-29 16:05:49 -070069void semihost_sys_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,
70 target_ulong tv_addr, target_ulong tz_addr);
71
Richard Henderson1b9177f2022-05-02 11:15:40 -070072void semihost_sys_poll_one(CPUState *cs, gdb_syscall_complete_cb complete,
73 int fd, GIOCondition cond, int timeout);
74
Richard Henderson5b3f39c2022-04-28 01:44:28 -070075#endif /* SEMIHOSTING_SYSCALLS_H */