mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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7a3a539b17
internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085 Signed-off-by: Eddie Dong <eddie.dong@intel.com>
116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CONSOLE_H
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#define CONSOLE_H
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#ifdef HV_DEBUG
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/** Initializes the console module.
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*
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* @param cdev A pointer to the character device to use for the console.
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*
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* @return '0' on success. Any other value indicates an error.
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*/
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int console_init(void);
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/** Writes a NUL terminated string to the console.
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*
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* @param str A pointer to the NUL terminated string to write.
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*
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* @return The number of characters written or -1 if an error occurred
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* and no character was written.
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*/
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int console_puts(const char *str);
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/** Writes a given number of characters to the console.
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*
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* @param str A pointer to character array to write.
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* @param len The number of characters to write.
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*
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* @return The number of characters written or -1 if an error occurred
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* and no character was written.
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*/
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int console_write(const char *str, size_t len);
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/** Writes a single character to the console.
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*
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* @param ch The character to write.
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*
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* @preturn The number of characters written or -1 if an error
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* occurred before any character was written.
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*/
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int console_putc(int ch);
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/** Dumps an array to the console.
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*
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* This function dumps an array of bytes to the console
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* in a hexadecimal format.
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*
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* @param p A pointer to the byte array to dump.
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* @param len The number of bytes to dump.
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*/
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void console_dump_bytes(const void *p, unsigned int len);
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void console_setup_timer(void);
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uint32_t get_serial_handle(void);
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#else
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static inline int console_init(void)
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{
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return 0;
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}
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static inline int console_puts(__unused const char *str)
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{
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return 0;
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}
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static inline int console_write(__unused const char *str,
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__unused size_t len)
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{
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return 0;
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}
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static inline int console_putc(__unused int ch)
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{
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return 0;
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}
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static inline void console_dump_bytes(__unused const void *p,
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__unused unsigned int len)
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{
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}
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static inline void console_setup_timer(void) {}
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static inline uint32_t get_serial_handle(void) { return 0; }
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#endif
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#endif /* CONSOLE_H */
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