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5b3f39cb04
Split out the non-ARM specific portions of SYS_OPEN to a reusable function. This handles gdb and host file i/o. Add helpers to validate the length of the filename string. Prepare for usage by other semihosting by allowing the filename length parameter to be 0, and calling strlen. Reviewed-by: Luc Michel <lmichel@kalray.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
25 lines
748 B
C
25 lines
748 B
C
/*
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* Syscall implementations for semihosting.
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*
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* Copyright (c) 2022 Linaro
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef SEMIHOSTING_SYSCALLS_H
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#define SEMIHOSTING_SYSCALLS_H
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/*
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* Argument loading from the guest is performed by the caller;
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* results are returned via the 'complete' callback.
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*
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* String operands are in address/len pairs. The len argument may be 0
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* (when the semihosting abi does not already provide the length),
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* or non-zero (where it should include the terminating zero).
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*/
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void semihost_sys_open(CPUState *cs, gdb_syscall_complete_cb complete,
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target_ulong fname, target_ulong fname_len,
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int gdb_flags, int mode);
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#endif /* SEMIHOSTING_SYSCALLS_H */
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