diff options
Diffstat (limited to 'src/target/riscv/batch.h')
| -rw-r--r-- | src/target/riscv/batch.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/target/riscv/batch.h b/src/target/riscv/batch.h index 70690a6..9c42ba8 100644 --- 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 |