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logging: Add support to backends to switch log format at runtime.

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Adding mechanism to all the backends to switch the logging formats
at runtime while leveraging the function pointer table based upon
the Kconfigs which also cleans up the logging backend design.
Also demonstrate the working API with the changes
to syst sample. Clean up Kconfig for backends and add a standard
template to generate the Kconfigs for logging formats to be used
by all backends.

Signed-off-by: Aastha Grover <aastha.grover@intel.com>
This commit is contained in:
Aastha Grover 2022-02-01 13:03:08 -08:00 • committed by Maureen Helm
commit c0d7e10beb
13 changed files with 226 additions and 105 deletions
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12
subsys/logging/log_backend_adsp.c
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@ -10,6 +10,7 @@
#include <logging/log_output.h>
#include <logging/log_backend_std.h>
static uint32_t log_format_current = CONFIG_LOG_BACKEND_ADSP_OUTPUT_DEFAULT;
void intel_adsp_trace_out(int8_t *str, size_t len);
static int char_out(uint8_t *data, size_t length, void *ctx)
@ -73,7 +74,15 @@ static inline void put_sync_hexdump(const struct log_backend *const backend,
static void process(const struct log_backend *const backend,
union log_msg2_generic *msg)
{
log_output_msg2_process(&log_output_adsp, &msg->log, format_flags());
log_format_func_t log_output_func = log_format_func_t_get(log_format_current);
log_output_func(&log_output_adsp, &msg->log, format_flags());
}
static int format_set(const struct log_backend *const backend, uint32_t log_type)
{
log_format_current = log_type;
return 0;
}
const struct log_backend_api log_backend_adsp_api = {
@ -85,6 +94,7 @@ const struct log_backend_api log_backend_adsp_api = {
.put = IS_ENABLED(CONFIG_LOG1_DEFERRED) ? put : NULL,
.dropped = IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE) ? NULL : dropped,
.panic = panic,
.format_set = IS_ENABLED(CONFIG_LOG1) ? NULL : format_set,
};
LOG_BACKEND_DEFINE(log_backend_adsp, log_backend_adsp_api, true);