15b3f39cbSRichard Henderson /* 25b3f39cbSRichard Henderson * Syscall implementations for semihosting. 35b3f39cbSRichard Henderson * 45b3f39cbSRichard Henderson * Copyright (c) 2022 Linaro 55b3f39cbSRichard Henderson * 65b3f39cbSRichard Henderson * SPDX-License-Identifier: GPL-2.0-or-later 75b3f39cbSRichard Henderson */ 85b3f39cbSRichard Henderson 95b3f39cbSRichard Henderson #ifndef SEMIHOSTING_SYSCALLS_H 105b3f39cbSRichard Henderson #define SEMIHOSTING_SYSCALLS_H 115b3f39cbSRichard Henderson 125b3f39cbSRichard Henderson /* 135b3f39cbSRichard Henderson * Argument loading from the guest is performed by the caller; 145b3f39cbSRichard Henderson * results are returned via the 'complete' callback. 155b3f39cbSRichard Henderson * 165b3f39cbSRichard Henderson * String operands are in address/len pairs. The len argument may be 0 175b3f39cbSRichard Henderson * (when the semihosting abi does not already provide the length), 185b3f39cbSRichard Henderson * or non-zero (where it should include the terminating zero). 195b3f39cbSRichard Henderson */ 205b3f39cbSRichard Henderson 215b3f39cbSRichard Henderson void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete, 225b3f39cbSRichard Henderson target_ulong fname, target_ulong fname_len, 235b3f39cbSRichard Henderson int gdb_flags, int mode); 245b3f39cbSRichard Henderson 25*5eadbbfcSRichard Henderson void semihost_sys_close(CPUState *cs, gdb_syscall_complete_cb complete, 26*5eadbbfcSRichard Henderson int fd); 27*5eadbbfcSRichard Henderson 285b3f39cbSRichard Henderson #endif /* SEMIHOSTING_SYSCALLS_H */ 29