acrn-hypervisor/hypervisor/include/debug/logmsg.h

110 lines
3.2 KiB
C

/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LOGMSG_H
#define LOGMSG_H
/* Logging severity levels */
#define LOG_FATAL 1
#define LOG_ERROR 2
#define LOG_WARNING 3
#define LOG_INFO 4
#define LOG_DEBUG 5
/* Logging flags */
#define LOG_FLAG_STDOUT 0x00000001
#define LOG_FLAG_MEMORY 0x00000002
#if defined(HV_DEBUG)
extern uint32_t console_loglevel;
extern uint32_t mem_loglevel;
void init_logmsg(uint32_t mem_size, uint32_t flags);
void print_logmsg_buffer(uint32_t cpu_id);
void do_logmsg(uint32_t severity, const char *fmt, ...);
#else /* HV_DEBUG */
static inline void init_logmsg(__unused uint32_t mem_size,
__unused uint32_t flags)
{
}
static inline void do_logmsg(__unused uint32_t severity,
__unused const char *fmt, ...)
{
}
static inline void print_logmsg_buffer(__unused uint32_t cpu_id)
{
}
#endif /* HV_DEBUG */
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif
#define pr_fatal(fmt, ...) \
do { \
do_logmsg(LOG_FATAL, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define pr_err(fmt, ...) \
do { \
do_logmsg(LOG_ERROR, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define pr_warn(fmt, ...) \
do { \
do_logmsg(LOG_WARNING, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define pr_info(fmt, ...) \
do { \
do_logmsg(LOG_INFO, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define pr_dbg(fmt, ...) \
do { \
do_logmsg(LOG_DEBUG, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define dev_dbg(lvl, fmt, ...) \
do { \
do_logmsg(lvl, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define panic(...) \
do { pr_fatal("Instruction Decode PANIC: " __VA_ARGS__); \
while (1) { asm volatile ("pause" ::: "memory"); }; } while (0)
#endif /* LOGMSG_H */