[Pdbg] [PATCH 1/4] libpdbg: Add thread start/step/stop all api

[Amitay Isaacs]

Signed-off-by: Amitay Isaacs <amitay at ozlabs.org>
---
 libpdbg/chip.c    | 99 +++++++++++++++++++++++++++++++++++++++++++++++
 libpdbg/libpdbg.h |  3 ++
 2 files changed, 102 insertions(+)

diff --git a/libpdbg/chip.c b/libpdbg/chip.c
index a36a038..830c3ec 100644
--- a/libpdbg/chip.c
+++ b/libpdbg/chip.c
@@ -154,6 +154,105 @@ int thread_sreset(struct pdbg_target *thread_target)
 	return thread->sreset(thread);
 }
 
+int thread_step_all(void)
+{
+	struct pdbg_target *pib, *thread;
+	int rc = 0, count = 0;
+
+	pdbg_for_each_class_target("pib", pib) {
+		struct sbefifo *sbefifo;
+
+		sbefifo = pib_to_sbefifo(pib);
+		if (!sbefifo)
+			break;
+
+		/*
+		 * core_id = 0xff (all SMT4 cores)
+		 * thread_id = 0xf (all 4 threads in the SMT4 core)
+		 */
+		rc |= sbefifo->thread_step(sbefifo, 0xff, 0xf);
+		count++;
+	}
+
+	if (count > 0)
+		return rc;
+
+	pdbg_for_each_class_target("thread", thread) {
+		if (pdbg_target_status(thread) != PDBG_TARGET_ENABLED)
+			continue;
+
+		rc |= thread_step(thread, 1);
+	}
+
+	return rc;
+}
+
+int thread_start_all(void)
+{
+	struct pdbg_target *pib, *thread;
+	int rc = 0, count = 0;
+
+	pdbg_for_each_class_target("pib", pib) {
+		struct sbefifo *sbefifo;
+
+		sbefifo = pib_to_sbefifo(pib);
+		if (!sbefifo)
+			break;
+
+		/*
+		 * core_id = 0xff (all SMT4 cores)
+		 * thread_id = 0xf (all 4 threads in the SMT4 core)
+		 */
+		rc |= sbefifo->thread_start(sbefifo, 0xff, 0xf);
+		count++;
+	}
+
+	if (count > 0)
+		return rc;
+
+	pdbg_for_each_class_target("thread", thread) {
+		if (pdbg_target_status(thread) != PDBG_TARGET_ENABLED)
+			continue;
+
+		rc |= thread_start(thread);
+	}
+
+	return rc;
+}
+
+int thread_stop_all(void)
+{
+	struct pdbg_target *pib, *thread;
+	int rc = 0, count = 0;
+
+	pdbg_for_each_class_target("pib", pib) {
+		struct sbefifo *sbefifo;
+
+		sbefifo = pib_to_sbefifo(pib);
+		if (!sbefifo)
+			break;
+
+		/*
+		 * core_id = 0xff (all SMT4 cores)
+		 * thread_id = 0xf (all 4 threads in the SMT4 core)
+		 */
+		rc |= sbefifo->thread_stop(sbefifo, 0xff, 0xf);
+		count++;
+	}
+
+	if (count > 0)
+		return rc;
+
+	pdbg_for_each_class_target("thread", thread) {
+		if (pdbg_target_status(thread) != PDBG_TARGET_ENABLED)
+			continue;
+
+		rc |= thread_stop(thread);
+	}
+
+	return rc;
+}
+
 int thread_sreset_all(void)
 {
 	struct pdbg_target *pib, *thread;
diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h
index 25bfd97..da81d30 100644
--- a/libpdbg/libpdbg.h
+++ b/libpdbg/libpdbg.h
@@ -204,6 +204,9 @@ int thread_start(struct pdbg_target *target);
 int thread_step(struct pdbg_target *target, int steps);
 int thread_stop(struct pdbg_target *target);
 int thread_sreset(struct pdbg_target *target);
+int thread_start_all(void);
+int thread_step_all(void);
+int thread_stop_all(void);
 int thread_sreset_all(void);
 struct thread_state thread_status(struct pdbg_target *target);
 
-- 
2.21.0