23 #include "arm-spe-decoder.h"
84 	struct arm_spe_decoder *decoder;  in arm_spe_decoder_new()  local
89 	decoder = zalloc(sizeof(struct arm_spe_decoder));  in arm_spe_decoder_new()
90 	if (!decoder)  in arm_spe_decoder_new()
93 	decoder->get_trace = params->get_trace;  in arm_spe_decoder_new()
94 	decoder->data = params->data;  in arm_spe_decoder_new()
96 	return decoder;  in arm_spe_decoder_new()
99 void arm_spe_decoder_free(struct arm_spe_decoder *decoder)  in arm_spe_decoder_free()  argument
101 	free(decoder);  in arm_spe_decoder_free()
104 static int arm_spe_get_data(struct arm_spe_decoder *decoder)  in arm_spe_get_data()  argument
110 	ret = decoder->get_trace(&buffer, decoder->data);  in arm_spe_get_data()
114 	decoder->buf = buffer.buf;  in arm_spe_get_data()
115 	decoder->len = buffer.len;  in arm_spe_get_data()
117 	if (!decoder->len)  in arm_spe_get_data()
120 	return decoder->len;  in arm_spe_get_data()
123 static int arm_spe_get_next_packet(struct arm_spe_decoder *decoder)  in arm_spe_get_next_packet()  argument
128 		if (!decoder->len) {  in arm_spe_get_next_packet()
129 			ret = arm_spe_get_data(decoder);  in arm_spe_get_next_packet()
136 		ret = arm_spe_get_packet(decoder->buf, decoder->len,  in arm_spe_get_next_packet()
137 					 &decoder->packet);  in arm_spe_get_next_packet()
140 			decoder->buf += 1;  in arm_spe_get_next_packet()
141 			decoder->len -= 1;  in arm_spe_get_next_packet()
145 		decoder->buf += ret;  in arm_spe_get_next_packet()
146 		decoder->len -= ret;  in arm_spe_get_next_packet()
147 	} while (decoder->packet.type == ARM_SPE_PAD);  in arm_spe_get_next_packet()
152 static int arm_spe_read_record(struct arm_spe_decoder *decoder)  in arm_spe_read_record()  argument
158 	memset(&decoder->record, 0x0, sizeof(decoder->record));  in arm_spe_read_record()
159 	decoder->record.context_id = (u64)-1;  in arm_spe_read_record()
162 		err = arm_spe_get_next_packet(decoder);  in arm_spe_read_record()
166 		idx = decoder->packet.index;  in arm_spe_read_record()
167 		payload = decoder->packet.payload;  in arm_spe_read_record()
169 		switch (decoder->packet.type) {  in arm_spe_read_record()
171 			decoder->record.timestamp = payload;  in arm_spe_read_record()
178 				decoder->record.from_ip = ip;  in arm_spe_read_record()
180 				decoder->record.to_ip = ip;  in arm_spe_read_record()
182 				decoder->record.virt_addr = ip;  in arm_spe_read_record()
184 				decoder->record.phys_addr = ip;  in arm_spe_read_record()
186 				decoder->record.prev_br_tgt = ip;  in arm_spe_read_record()
190 				decoder->record.latency = payload;  in arm_spe_read_record()
193 			decoder->record.context_id = payload;  in arm_spe_read_record()
198 				decoder->record.op |= ARM_SPE_OP_LDST;  in arm_spe_read_record()
200 					decoder->record.op |= ARM_SPE_OP_ST;  in arm_spe_read_record()
202 					decoder->record.op |= ARM_SPE_OP_LD;  in arm_spe_read_record()
204 					decoder->record.op |= ARM_SPE_OP_SVE_LDST;  in arm_spe_read_record()
207 				decoder->record.op |= ARM_SPE_OP_OTHER;  in arm_spe_read_record()
209 					decoder->record.op |= ARM_SPE_OP_SVE_OTHER;  in arm_spe_read_record()
212 				decoder->record.op |= ARM_SPE_OP_BRANCH_ERET;  in arm_spe_read_record()
214 					decoder->record.op |= ARM_SPE_OP_BR_COND;  in arm_spe_read_record()
216 					decoder->record.op |= ARM_SPE_OP_BR_INDIRECT;  in arm_spe_read_record()
218 					decoder->record.op |= ARM_SPE_OP_BR_GCS;  in arm_spe_read_record()
220 					decoder->record.op |= ARM_SPE_OP_BR_CR_BL;  in arm_spe_read_record()
222 					decoder->record.op |= ARM_SPE_OP_BR_CR_RET;  in arm_spe_read_record()
224 					decoder->record.op |= ARM_SPE_OP_BR_CR_NON_BL_RET;  in arm_spe_read_record()
233 				decoder->record.type |= ARM_SPE_L1D_MISS;  in arm_spe_read_record()
236 				decoder->record.type |= ARM_SPE_L1D_ACCESS;  in arm_spe_read_record()
239 				decoder->record.type |= ARM_SPE_TLB_MISS;  in arm_spe_read_record()
242 				decoder->record.type |= ARM_SPE_TLB_ACCESS;  in arm_spe_read_record()
245 				decoder->record.type |= ARM_SPE_LLC_MISS;  in arm_spe_read_record()
248 				decoder->record.type |= ARM_SPE_LLC_ACCESS;  in arm_spe_read_record()
251 				decoder->record.type |= ARM_SPE_REMOTE_ACCESS;  in arm_spe_read_record()
254 				decoder->record.type |= ARM_SPE_BRANCH_MISS;  in arm_spe_read_record()
257 				decoder->record.type |= ARM_SPE_BRANCH_NOT_TAKEN;  in arm_spe_read_record()
260 				decoder->record.type |= ARM_SPE_IN_TXN;  in arm_spe_read_record()
263 				decoder->record.type |= ARM_SPE_SVE_PARTIAL_PRED;  in arm_spe_read_record()
266 				decoder->record.type |= ARM_SPE_SVE_EMPTY_PRED;  in arm_spe_read_record()
270 			decoder->record.source = payload;  in arm_spe_read_record()
285 int arm_spe_decode(struct arm_spe_decoder *decoder)  in arm_spe_decode()  argument
287 	return arm_spe_read_record(decoder);  in arm_spe_decode()