1 files changed, 54 insertions, 0 deletions
diff --git a/src/usr/trace/trace.C b/src/usr/trace/trace.C
new file mode 100644
index 000000000..aa0fa90c6
--- /dev/null
+++ b/src/usr/trace/trace.C
@@ -0,0 +1,54 @@
+#include <trace_adal.h>
+#include <util/singleton.H>
+#include <stdarg.h>
+#include <arch/ppc.H>
+
+#include "TraceBuffer.H"
+
+int32_t trace_adal_init_buffer(trace_desc_t * td, const char* comp, 
+                               const size_t size )
+{
+    // For now, just store the component name.
+    td = (trace_desc_t*) comp;
+    return 0;
+}
+
+int32_t trace_adal_write_all(const trace_desc_t td, 
+                             const enum trace_hash_val hash,
+                             const char * fmt,
+                             const uint32_t line,
+                             const int32_t type, ...)
+{
+    // This code is incorrect for determining formatting but will work for now.
+    size_t size = 0;
+    const char* _fmt = fmt;
+    while ('\0' != *_fmt)
+    {
+        if ('%' == *_fmt)
+            size++;
+        _fmt++;
+    }
+
+    traceEntry* entry = 
+        Singleton<TraceBuffer>::instance().claimEntry(sizeof(traceEntry) + 
+                                                      sizeof(uint64_t) * size);
+
+    entry->component = (uint64_t) td;
+    entry->tid = task_gettid();
+    entry->length = sizeof(uint64_t) * size;
+    entry->hash = hash;
+    entry->timestamp = getTB();
+    entry->line = line;
+
+    uint64_t* data = &entry->values[0];
+
+    va_list args;
+    va_start(args, type);
+    for (size_t i = 0; i < size; i++)
+    {
+        *data = va_arg(args, uint64_t);
+        data++;
+    }
+    va_end(args);
+    return 0;
+}