trace: Add weak platform tracer function

Add weak platform tracer function This would allow each platform to carry out plat specific logging, possibly to some media for post-mortem analysis Signed-off-by: Sheetal Tigadoli <[email protected]> Reviewed-by: Jerome Forissier <[email protected]>
dgarske · Nov 19, 2019 · ea4ae5c · ea4ae5c
1 parent ba4056f
commit ea4ae5c
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diff --git a/core/arch/arm/kernel/trace_ext.c b/core/arch/arm/kernel/trace_ext.c
@@ -13,6 +13,10 @@ const char trace_ext_prefix[] = "TC";
 int trace_level __nex_data = TRACE_LEVEL;
 static unsigned int puts_lock __nex_bss = SPINLOCK_UNLOCK;
 
+void __weak plat_trace_ext_puts(const char *str __unused)
+{
+}
+
 void trace_ext_puts(const char *str)
 {
 	uint32_t itr_status = thread_mask_exceptions(THREAD_EXCP_ALL);
@@ -25,6 +29,8 @@ void trace_ext_puts(const char *str)
 		cpu_spin_lock_no_dldetect(&puts_lock);
 	}
 
+	plat_trace_ext_puts(str);
+
 	console_flush();
 
 	if (was_contended)

diff --git a/lib/libutils/ext/include/trace.h b/lib/libutils/ext/include/trace.h
@@ -27,6 +27,7 @@ void trace_ext_puts(const char *str);
 int trace_ext_get_thread_id(void);
 void trace_set_level(int level);
 int trace_get_level(void);
+void plat_trace_ext_puts(const char *str);
 
 /* Internal functions used by the macros below */
 void trace_vprintf(const char *func, int line, int level, bool level_ok,