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-rw-r--r--tools/null_state_gen/intel_batchbuffer.c15
-rw-r--r--tools/null_state_gen/intel_batchbuffer.h7
2 files changed, 22 insertions, 0 deletions
diff --git a/tools/null_state_gen/intel_batchbuffer.c b/tools/null_state_gen/intel_batchbuffer.c
index 2a0b3407..a31ea38e 100644
--- a/tools/null_state_gen/intel_batchbuffer.c
+++ b/tools/null_state_gen/intel_batchbuffer.c
@@ -274,3 +274,18 @@ const char *intel_batch_type_as_str(const struct bb_item *item)
return "UNKNOWN";
}
+
+void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch,
+ const int cmd, const int len, const int len_bias,
+ const char *str)
+{
+ int i;
+
+ assert(len > 1);
+ assert((len - len_bias) >= 0);
+
+ bb_area_emit(batch->cmds, (cmd | (len - len_bias)), CMD, str);
+
+ for (i = len_bias-1; i < len; i++)
+ OUT_BATCH(0);
+}
diff --git a/tools/null_state_gen/intel_batchbuffer.h b/tools/null_state_gen/intel_batchbuffer.h
index f10831cb..f85f31db 100644
--- a/tools/null_state_gen/intel_batchbuffer.h
+++ b/tools/null_state_gen/intel_batchbuffer.h
@@ -69,6 +69,9 @@ struct intel_batchbuffer {
struct intel_batchbuffer *intel_batchbuffer_create(void);
+#define OUT_CMD_B(cmd, len, bias) intel_batch_cmd_emit_null(batch, (cmd), (len), (bias), #cmd " " #len)
+#define OUT_CMD(cmd, len) OUT_CMD_B(cmd, len, 2)
+
#define OUT_BATCH(d) bb_area_emit(batch->cmds, d, CMD, #d)
#define OUT_BATCH_STATE_OFFSET(d) bb_area_emit(batch->cmds, d, STATE_OFFSET, #d)
#define OUT_RELOC(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC, #d)
@@ -94,4 +97,8 @@ const char *intel_batch_type_as_str(const struct bb_item *item);
void bb_area_emit(struct bb_area *a, uint32_t dword, item_type type, const char *str);
void bb_area_emit_offset(struct bb_area *a, unsigned i, uint32_t dword, item_type type, const char *str);
+void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch,
+ const int cmd,
+ const int len, const int len_bias,
+ const char *str);
#endif