[Pdbg] [PATCH 08/19] libpdbg: Add thread procedures to get/set FPR

[Amitay Isaacs]

Signed-off-by: Amitay Isaacs <amitay at ozlabs.org>
---
 libpdbg/hwunit.h  |  3 +++
 libpdbg/libpdbg.h | 18 ++++++++++++++++++
 libpdbg/thread.c  | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 59 insertions(+)

diff --git a/libpdbg/hwunit.h b/libpdbg/hwunit.h
index 691689f..ee825bb 100644
--- a/libpdbg/hwunit.h
+++ b/libpdbg/hwunit.h
@@ -151,6 +151,9 @@ struct thread {
 	int (*getspr)(struct thread *, int, uint64_t *);
 	int (*putspr)(struct thread *, int, uint64_t);
 
+	int (*getfpr)(struct thread *, int, uint64_t *);
+	int (*putfpr)(struct thread *, int, uint64_t);
+
 	int (*getmsr)(struct thread *, uint64_t *);
 	int (*putmsr)(struct thread *, uint64_t);
 
diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h
index a3c90de..180a609 100644
--- a/libpdbg/libpdbg.h
+++ b/libpdbg/libpdbg.h
@@ -946,6 +946,24 @@ int thread_getxer(struct pdbg_target *thread, uint64_t *value);
  */
 int thread_putxer(struct pdbg_target *thread, uint64_t value);
 
+/**
+ * @brief Set a FPR on a thread
+ * @param[in] thread the thread target to operate on
+ * @param[in] fpr the FPR number to set
+ * @param[in] value value to set FPR to
+ * @return 0 on success, -1 otherwise
+ */
+int thread_putfpr(struct pdbg_target *thread, int fpr, uint64_t value);
+
+/**
+ * @brief Get a FPR on a thread
+ * @param[in] thread the thread target to operate on
+ * @param[in] fpr the FPR number to get
+ * @param[in] value value of the given FPR
+ * @return 0 on success, -1 otherwise
+ */
+int thread_getfpr(struct pdbg_target *thread, int fpr, uint64_t *value);
+
 /**
  * @brief Get the value of all interesting registers on a thread
  * @param[in] target the thread target to operate on
diff --git a/libpdbg/thread.c b/libpdbg/thread.c
index e494dbc..e8fb0c0 100644
--- a/libpdbg/thread.c
+++ b/libpdbg/thread.c
@@ -361,6 +361,44 @@ int thread_putspr(struct pdbg_target *target, int spr, uint64_t value)
 	return thread->putspr(thread, spr, value);
 }
 
+int thread_getfpr(struct pdbg_target *target, int fpr, uint64_t *value)
+{
+	struct thread *thread;
+
+	assert(pdbg_target_is_class(target, "thread"));
+
+	if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
+		return -1;
+
+	thread = target_to_thread(target);
+
+	if (!thread->getfpr) {
+		PR_ERROR("getfpr() not imeplemented for the target\n");
+		return -1;
+	}
+
+	return thread->getfpr(thread, fpr, value);
+}
+
+int thread_putfpr(struct pdbg_target *target, int fpr, uint64_t value)
+{
+	struct thread *thread;
+
+	assert(pdbg_target_is_class(target, "thread"));
+
+	if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
+		return -1;
+
+	thread = target_to_thread(target);
+
+	if (!thread->putfpr) {
+		PR_ERROR("putfpr() not imeplemented for the target\n");
+		return -1;
+	}
+
+	return thread->putfpr(thread, fpr, value);
+}
+
 int thread_getmsr(struct pdbg_target *target, uint64_t *value)
 {
 	struct thread *thread;
-- 
2.26.2