diff mbox series

[v2,19/20] libpdbg: Add ocmb_{getscom/putscom} api

Message ID 20201001070814.102735-20-amitay@ozlabs.org
State New
Headers show
Series Add p10 support to libpdbg | expand

Commit Message

Amitay Isaacs Oct. 1, 2020, 7:08 a.m. UTC
Signed-off-by: Amitay Isaacs <amitay@ozlabs.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
---
 libpdbg/libpdbg.h | 22 ++++++++++++++++++++++
 libpdbg/target.c  | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
diff mbox series

Patch

diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h
index 2630fd7..08894d6 100644
--- a/libpdbg/libpdbg.h
+++ b/libpdbg/libpdbg.h
@@ -1329,6 +1329,28 @@  int sbe_mpipl_continue(struct pdbg_target *target);
  */
 int sbe_mpipl_get_ti_info(struct pdbg_target *target, uint8_t **data, uint32_t *data_len);
 
+/**
+ * @brief Read a OCMB SCOM register
+ *
+ * @param[in] target ocmb target
+ * @param[in] addr the address offset relative to target
+ * @param[out] val the read data
+ *
+ * @return 0 on success, -1 on failure
+ */
+int ocmb_getscom(struct pdbg_target *target, uint64_t addr, uint64_t *val);
+
+/**
+ * @brief Write a OCMB SCOM register
+ *
+ * @param[in] target ocmb target
+ * @param[in] addr the address offset relative to target
+ * @param[in] val the write data
+ *
+ * @return 0 on success, -1 on failure
+ */
+int ocmb_putscom(struct pdbg_target *target, uint64_t addr, uint64_t val);
+
 /**
  * @brief Type for specifying a progress callback for long running
  * operations
diff --git a/libpdbg/target.c b/libpdbg/target.c
index 8a7d1a6..89006d0 100644
--- a/libpdbg/target.c
+++ b/libpdbg/target.c
@@ -455,6 +455,44 @@  int sbe_mpipl_get_ti_info(struct pdbg_target *target, uint8_t **data, uint32_t *
 	return chipop->mpipl_get_ti_info(chipop, data, data_len);
 }
 
+int ocmb_getscom(struct pdbg_target *target, uint64_t addr, uint64_t *val)
+{
+	struct ocmb *ocmb;
+
+	assert(pdbg_target_is_class(target, "ocmb"));
+
+	if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
+		return -1;
+
+	ocmb = target_to_ocmb(target);
+
+	if (!ocmb->getscom) {
+		PR_ERROR("getscom() not implemented for the target\n");
+		return -1;
+	}
+
+	return ocmb->getscom(ocmb, addr, val);
+}
+
+int ocmb_putscom(struct pdbg_target *target, uint64_t addr, uint64_t val)
+{
+	struct ocmb *ocmb;
+
+	assert(pdbg_target_is_class(target, "ocmb"));
+
+	if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
+		return -1;
+
+	ocmb = target_to_ocmb(target);
+
+	if (!ocmb->putscom) {
+		PR_ERROR("putscom() not implemented for the target\n");
+		return -1;
+	}
+
+	return ocmb->putscom(ocmb, addr, val);
+}
+
 uint32_t sbe_ffdc_get(struct pdbg_target *target, uint8_t **ffdc, uint32_t *ffdc_len)
 {
 	struct chipop *chipop;