| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2022 Sean Anderson <sean.anderson@seco.com> |
| */ |
| |
| #ifndef _SEMIHOSTING_H |
| #define _SEMIHOSTING_H |
| |
| /** |
| * enum smh_open_mode - Numeric file modes for use with smh_open() |
| * MODE_READ: 'r' |
| * MODE_BINARY: 'b' |
| * MODE_PLUS: '+' |
| * MODE_WRITE: 'w' |
| * MODE_APPEND: 'a' |
| * |
| * These modes represent the mode string used by fopen(3) in a form which can |
| * be passed to smh_open(). These do NOT correspond directly to %O_RDONLY, |
| * %O_CREAT, etc; see fopen(3) for details. In particular, @MODE_PLUS |
| * effectively results in adding %O_RDWR, and @MODE_WRITE will add %O_TRUNC. |
| * For compatibility, @MODE_BINARY should be added when opening non-text files |
| * (such as images). |
| */ |
| enum smh_open_mode { |
| MODE_READ = 0x0, |
| MODE_BINARY = 0x1, |
| MODE_PLUS = 0x2, |
| MODE_WRITE = 0x4, |
| MODE_APPEND = 0x8, |
| }; |
| |
| long smh_open(const char *fname, enum smh_open_mode mode); |
| long smh_read(long fd, void *memp, size_t len); |
| long smh_close(long fd); |
| long smh_flen(long fd); |
| |
| #endif /* _SEMIHOSTING_H */ |