mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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d34700a1ae
Couple of small changes merged in this change: - export main_entry, trampoline_spinlock and stop_cpus. - change vm_resume() name to resume_vm() - change resume_console_enable() name to resume_console() - extend reset_vcpu to reset more fields of vcpu Signed-off-by: Yin Fengwei <fengwei.yin@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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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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extern struct timer console_timer;
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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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static inline void suspend_console(void)
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{
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del_timer(&console_timer);
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}
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static inline void resume_console(void)
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{
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console_setup_timer();
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}
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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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static inline void suspend_console(void) {}
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static inline void resume_console(void) {}
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#endif
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#endif /* CONSOLE_H */
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