void cs_etm_decoder__free(struct cs_etm_decoder *decoder)
{
if (!decoder)
return;
ocsd_destroy_dcd_tree(decoder->dcd_tree);
decoder->dcd_tree = NULL;
free(decoder);
}
OCSD_C_API dcd_tree_handle_t ocsd_create_dcd_tree(const ocsd_dcd_tree_src_t src_type, const uint32_t deformatterCfgFlags)
{
dcd_tree_handle_t handle = C_API_INVALID_TREE_HANDLE;
handle = (dcd_tree_handle_t)DecodeTree::CreateDecodeTree(src_type,deformatterCfgFlags);
if(handle != C_API_INVALID_TREE_HANDLE)
{
lib_dt_data_list *pList = new (std::nothrow) lib_dt_data_list;
if(pList != 0)
{
s_data_map.insert(std::pair<dcd_tree_handle_t, lib_dt_data_list *>(handle,pList));
}
else
{
ocsd_destroy_dcd_tree(handle);
handle = C_API_INVALID_TREE_HANDLE;
}
}
return handle;
}
struct cs_etm_decoder *
cs_etm_decoder__new(int num_cpu, struct cs_etm_decoder_params *d_params,
struct cs_etm_trace_params t_params[])
{
struct cs_etm_decoder *decoder;
ocsd_dcd_tree_src_t format;
u32 flags;
int i, ret;
if ((!t_params) || (!d_params))
return NULL;
decoder = zalloc(sizeof(*decoder));
if (!decoder)
return NULL;
decoder->data = d_params->data;
decoder->prev_return = OCSD_RESP_CONT;
cs_etm_decoder__clear_buffer(decoder);
format = (d_params->formatted ? OCSD_TRC_SRC_FRAME_FORMATTED :
OCSD_TRC_SRC_SINGLE);
flags = 0;
flags |= (d_params->fsyncs ? OCSD_DFRMTR_HAS_FSYNCS : 0);
flags |= (d_params->hsyncs ? OCSD_DFRMTR_HAS_HSYNCS : 0);
flags |= (d_params->frame_aligned ? OCSD_DFRMTR_FRAME_MEM_ALIGN : 0);
/*
* Drivers may add barrier frames when used with perf, set up to
* handle this. Barriers const of FSYNC packet repeated 4 times.
*/
flags |= OCSD_DFRMTR_RESET_ON_4X_FSYNC;
/* Create decode tree for the data source */
decoder->dcd_tree = ocsd_create_dcd_tree(format, flags);
if (decoder->dcd_tree == 0)
goto err_free_decoder;
/* init library print logging support */
ret = cs_etm_decoder__init_def_logger_printing(d_params, decoder);
if (ret != 0)
goto err_free_decoder_tree;
/* init raw frame logging if required */
cs_etm_decoder__init_raw_frame_logging(d_params, decoder);
for (i = 0; i < num_cpu; i++) {
ret = cs_etm_decoder__create_etm_decoder(d_params,
&t_params[i],
decoder);
if (ret != 0)
goto err_free_decoder_tree;
}
return decoder;
err_free_decoder_tree:
ocsd_destroy_dcd_tree(decoder->dcd_tree);
err_free_decoder:
free(decoder);
return NULL;
}