LXR qemu/include/semihosting/syscalls.h

   1/*
   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
  21typedef struct GuestFD GuestFD;
  22
  23void 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
  27void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete,
  28                        int fd);
  29
  30void 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
  36void 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
  42void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete,
  43                        int fd, int64_t off, int gdb_whence);
  44
  45void semihost_sys_isatty(CPUState *cs, gdb_syscall_complete_cb complete,
  46                         int fd);
  47
  48void 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
  52void 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
  59void semihost_sys_remove(CPUState *cs, gdb_syscall_complete_cb complete,
  60                         target_ulong fname, target_ulong fname_len);
  61
  62void 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
  66void semihost_sys_system(CPUState *cs, gdb_syscall_complete_cb complete,
  67                         target_ulong cmd, target_ulong cmd_len);
  68
  69void semihost_sys_gettimeofday(CPUState *cs, gdb_syscall_complete_cb complete,
  70                               target_ulong tv_addr, target_ulong tz_addr);
  71
  72void semihost_sys_poll_one(CPUState *cs, gdb_syscall_complete_cb complete,
  73                           int fd, GIOCondition cond, int timeout);
  74
  75#endif /* SEMIHOSTING_SYSCALLS_H */
  76