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https://github.com/projectacrn/acrn-hypervisor.git
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80a79fed39
There are some massages which is not fatal error but should to print to serial and sbuf(hvlog) at the same time. pr_fatal is for fatal error massages and it is not good choice for the situation above. Introduce a new API pr_acrnlog to deal with the situation. And replace the following printf with pr_acrnlog for massages should be print to sbuf and serial. Then developers can get those massages on serial and BTM(Boot Time Measurement) can use acrnlog to get those massages from sbuf. BTM refers to Boot Time Measurement which will read acrnlog file to get timestamps of steps we want. Signed-off-by: Kaige Fu <kaige.fu@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
118 lines
3.4 KiB
C
118 lines
3.4 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 LOGMSG_H
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#define LOGMSG_H
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/* Logging severity levels */
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#define LOG_FATAL 1
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/* For msg should be write to console and sbuf meanwhile but not fatal error */
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#define LOG_ACRN 2
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#define LOG_ERROR 3
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#define LOG_WARNING 4
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#define LOG_INFO 5
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#define LOG_DEBUG 6
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/* Logging flags */
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#define LOG_FLAG_STDOUT 0x00000001
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#define LOG_FLAG_MEMORY 0x00000002
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#if defined(HV_DEBUG)
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extern uint32_t console_loglevel;
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extern uint32_t mem_loglevel;
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void init_logmsg(uint32_t mem_size, uint32_t flags);
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void print_logmsg_buffer(uint32_t cpu_id);
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void do_logmsg(uint32_t severity, const char *fmt, ...);
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#else /* HV_DEBUG */
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static inline void init_logmsg(__unused uint32_t mem_size,
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__unused uint32_t flags)
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{
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}
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static inline void do_logmsg(__unused uint32_t severity,
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__unused const char *fmt, ...)
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{
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}
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static inline void print_logmsg_buffer(__unused uint32_t cpu_id)
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{
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}
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#endif /* HV_DEBUG */
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#ifndef pr_prefix
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#define pr_prefix
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#endif
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#define pr_fatal(...) \
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do { \
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do_logmsg(LOG_FATAL, pr_prefix __VA_ARGS__); \
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} while (0)
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#define pr_acrnlog(...) \
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do { \
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do_logmsg(LOG_ACRN, pr_prefix __VA_ARGS__); \
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} while (0)
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#define pr_err(...) \
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do { \
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do_logmsg(LOG_ERROR, pr_prefix __VA_ARGS__); \
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} while (0)
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#define pr_warn(...) \
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do { \
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do_logmsg(LOG_WARNING, pr_prefix __VA_ARGS__); \
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} while (0)
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#define pr_info(...) \
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do { \
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do_logmsg(LOG_INFO, pr_prefix __VA_ARGS__); \
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} while (0)
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#define pr_dbg(...) \
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do { \
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do_logmsg(LOG_DEBUG, pr_prefix __VA_ARGS__); \
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} while (0)
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#define dev_dbg(lvl, ...) \
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do { \
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do_logmsg(lvl, pr_prefix __VA_ARGS__); \
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} while (0)
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#define panic(...) \
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do { pr_fatal("PANIC: %s line: %d\n", __func__, __LINE__); \
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pr_fatal(__VA_ARGS__); \
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while (1) { asm volatile ("pause" ::: "memory"); }; } while (0)
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#endif /* LOGMSG_H */
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