| /* |
| * SPDX-License-Identifier: BSD-2-Clause |
| * |
| * Copyright (c) 2022 Ventana Micro Systems Inc. |
| * |
| * Authors: |
| * Anup Patel <apatel@ventanamicro.com> |
| * Kautuk Consul <kconsul@ventanamicro.com> |
| */ |
| |
| #ifndef __SERIAL_SEMIHOSTING_H__ |
| #define __SERIAL_SEMIHOSTING_H__ |
| |
| #include <sbi/sbi_types.h> |
| |
| /** |
| * enum semihosting_open_mode - Numeric file modes for use with semihosting_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 semihosting_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 semihosting_open_mode { |
| MODE_READ = 0x0, |
| MODE_BINARY = 0x1, |
| MODE_PLUS = 0x2, |
| MODE_WRITE = 0x4, |
| MODE_APPEND = 0x8, |
| }; |
| |
| #ifdef CONFIG_SERIAL_SEMIHOSTING |
| int semihosting_init(void); |
| int semihosting_enabled(void); |
| #else |
| static inline int semihosting_init(void) { return SBI_ENODEV; } |
| static inline int semihosting_enabled(void) { return 0; } |
| #endif |
| |
| #endif |
