Upstream tons of RISC-V changes.

[openocd.git] / src / target / riscv / batch.h

diff --git a/src/target/riscv/batch.h b/src/target/riscv/batch.h
index 70690a601c669d7566c413debbeece69f8e6471d..9c42ba81ea02a57777aab989cce584a4ea0cb697 100644 (file)
--- a/src/target/riscv/batch.h
+++ b/src/target/riscv/batch.h
@@ -1,8 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 #ifndef TARGET__RISCV__SCANS_H
 #define TARGET__RISCV__SCANS_H
 
 #include "target/target.h"
 #include "jtag/jtag.h"
+#include "riscv.h"
 
 enum riscv_scan_type {
        RISCV_SCAN_TYPE_INVALID,
@@ -27,6 +30,11 @@ struct riscv_batch {
        uint8_t *data_in;
        struct scan_field *fields;
 
+       /* If in BSCAN mode, this field will be allocated (one per scan),
+          and utilized to tunnel all the scans in the batch.  If not in
+          BSCAN mode, this field is unallocated and stays NULL */
+       riscv_bscan_tunneled_scan_context_t *bscan_ctxt;
+
        /* In JTAG we scan out the previous value's output when performing a
         * scan.  This is a pain for users, so we just provide them the
         * illusion of not having to do this by eliding all but the last NOP.
@@ -54,11 +62,16 @@ int riscv_batch_run(struct riscv_batch *batch);
 void riscv_batch_add_dmi_write(struct riscv_batch *batch, unsigned address, uint64_t data);
 
 /* DMI reads must be handled in two parts: the first one schedules a read and
- * provides a key, the second one actually obtains the value of that read .*/
+ * provides a key, the second one actually obtains the result of the read -
+ * status (op) and the actual data. */
 size_t riscv_batch_add_dmi_read(struct riscv_batch *batch, unsigned address);
-uint64_t riscv_batch_get_dmi_read(struct riscv_batch *batch, size_t key);
+unsigned riscv_batch_get_dmi_read_op(struct riscv_batch *batch, size_t key);
+uint32_t riscv_batch_get_dmi_read_data(struct riscv_batch *batch, size_t key);
 
 /* Scans in a NOP. */
 void riscv_batch_add_nop(struct riscv_batch *batch);
 
+/* Returns the number of available scans. */
+size_t riscv_batch_available_scans(struct riscv_batch *batch);
+
 #endif