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-rw-r--r--src/target/riscv/batch.c21
-rw-r--r--src/target/riscv/riscv-013.c29
2 files changed, 33 insertions, 17 deletions
diff --git a/src/target/riscv/batch.c b/src/target/riscv/batch.c
index e6d37e6..d041ed1 100644
--- a/src/target/riscv/batch.c
+++ b/src/target/riscv/batch.c
@@ -9,23 +9,20 @@
#define get_field(reg, mask) (((reg) & (mask)) / ((mask) & ~((mask) << 1)))
#define set_field(reg, mask, val) (((reg) & ~(mask)) | (((val) * ((mask) & ~((mask) << 1))) & (mask)))
-static void dump_field(const struct scan_field *field);
+static void dump_field(int idle, const struct scan_field *field);
struct riscv_batch *riscv_batch_alloc(struct target *target, size_t scans, size_t idle)
{
scans += 4;
- struct riscv_batch *out = malloc(sizeof(*out));
- memset(out, 0, sizeof(*out));
+ struct riscv_batch *out = calloc(1, sizeof(*out));
out->target = target;
out->allocated_scans = scans;
- out->used_scans = 0;
out->idle_count = idle;
out->data_out = malloc(sizeof(*out->data_out) * (scans) * sizeof(uint64_t));
out->data_in = malloc(sizeof(*out->data_in) * (scans) * sizeof(uint64_t));
out->fields = malloc(sizeof(*out->fields) * (scans));
out->last_scan = RISCV_SCAN_TYPE_INVALID;
out->read_keys = malloc(sizeof(*out->read_keys) * (scans));
- out->read_keys_used = 0;
return out;
}
@@ -65,7 +62,7 @@ int riscv_batch_run(struct riscv_batch *batch)
}
for (size_t i = 0; i < batch->used_scans; ++i)
- dump_field(batch->fields + i);
+ dump_field(batch->idle_count, batch->fields + i);
return ERROR_OK;
}
@@ -96,7 +93,7 @@ size_t riscv_batch_add_dmi_read(struct riscv_batch *batch, unsigned address)
batch->used_scans++;
/* FIXME We get the read response back on the next scan. For now I'm
- * just sticking a NOP in there, but this should be coelesced away. */
+ * just sticking a NOP in there, but this should be coalesced away. */
riscv_batch_add_nop(batch);
batch->read_keys[batch->read_keys_used] = batch->used_scans - 1;
@@ -132,7 +129,7 @@ void riscv_batch_add_nop(struct riscv_batch *batch)
batch->used_scans++;
}
-void dump_field(const struct scan_field *field)
+void dump_field(int idle, const struct scan_field *field)
{
static const char * const op_string[] = {"-", "r", "w", "?"};
static const char * const status_string[] = {"+", "?", "F", "b"};
@@ -154,13 +151,13 @@ void dump_field(const struct scan_field *field)
log_printf_lf(LOG_LVL_DEBUG,
__FILE__, __LINE__, __PRETTY_FUNCTION__,
- "%db %s %08x @%02x -> %s %08x @%02x",
- field->num_bits,
+ "%db %di %s %08x @%02x -> %s %08x @%02x",
+ field->num_bits, idle,
op_string[out_op], out_data, out_address,
status_string[in_op], in_data, in_address);
} else {
log_printf_lf(LOG_LVL_DEBUG,
- __FILE__, __LINE__, __PRETTY_FUNCTION__, "%db %s %08x @%02x -> ?",
- field->num_bits, op_string[out_op], out_data, out_address);
+ __FILE__, __LINE__, __PRETTY_FUNCTION__, "%db %di %s %08x @%02x -> ?",
+ field->num_bits, idle, op_string[out_op], out_data, out_address);
}
}
diff --git a/src/target/riscv/riscv-013.c b/src/target/riscv/riscv-013.c
index 00714aa..b734104 100644
--- a/src/target/riscv/riscv-013.c
+++ b/src/target/riscv/riscv-013.c
@@ -357,7 +357,7 @@ static void decode_dmi(char *text, unsigned address, unsigned data)
}
}
-static void dump_field(const struct scan_field *field)
+static void dump_field(int idle, const struct scan_field *field)
{
static const char * const op_string[] = {"-", "r", "w", "?"};
static const char * const status_string[] = {"+", "?", "F", "b"};
@@ -377,8 +377,8 @@ static void dump_field(const struct scan_field *field)
log_printf_lf(LOG_LVL_DEBUG,
__FILE__, __LINE__, "scan",
- "%db %s %08x @%02x -> %s %08x @%02x",
- field->num_bits,
+ "%db %di %s %08x @%02x -> %s %08x @%02x",
+ field->num_bits, idle,
op_string[out_op], out_data, out_address,
status_string[in_op], in_data, in_address);
@@ -498,7 +498,7 @@ static dmi_status_t dmi_scan(struct target *target, uint32_t *address_in,
if (address_in)
*address_in = buf_get_u32(in, DTM_DMI_ADDRESS_OFFSET, info->abits);
- dump_field(&field);
+ dump_field(idle_count, &field);
return buf_get_u32(in, DTM_DMI_OP_OFFSET, DTM_DMI_OP_LENGTH);
}
@@ -697,7 +697,24 @@ static int wait_for_idle(struct target *target, uint32_t *abstractcs)
static int execute_abstract_command(struct target *target, uint32_t command)
{
RISCV013_INFO(info);
- LOG_DEBUG("command=0x%x", command);
+ if (debug_level >= LOG_LVL_DEBUG) {
+ switch (get_field(command, DMI_COMMAND_CMDTYPE)) {
+ case 0:
+ LOG_DEBUG("command=0x%x; access register, size=%d, postexec=%d, "
+ "transfer=%d, write=%d, regno=0x%x",
+ command,
+ 8 << get_field(command, AC_ACCESS_REGISTER_SIZE),
+ get_field(command, AC_ACCESS_REGISTER_POSTEXEC),
+ get_field(command, AC_ACCESS_REGISTER_TRANSFER),
+ get_field(command, AC_ACCESS_REGISTER_WRITE),
+ get_field(command, AC_ACCESS_REGISTER_REGNO));
+ break;
+ default:
+ LOG_DEBUG("command=0x%x", command);
+ break;
+ }
+ }
+
dmi_write(target, DMI_COMMAND, command);
uint32_t abstractcs = 0;
@@ -2326,6 +2343,8 @@ static int read_memory_progbuf(struct target *target, target_addr_t address,
uint8_t *buffer_i = buffer;
for (uint32_t i = 0; i < count; i++, address_i += size_i, buffer_i += size_i) {
+ /* TODO: This is much slower than it needs to be because we end up
+ * writing the address to read for every word we read. */
result = read_memory_progbuf_inner(target, address_i, size_i, count_i, buffer_i);
/* The read of a single word failed, so we will just return 0 for that instead */